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project64
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resolved merge conflict with Source/RSP/Main.cpp

This commit is contained in:
2016-06-05 11:10:22 -04:00
parent 6075a2f4a3 d554a18fa2
commit 738f0ddd01
2006 changed files with 68088 additions and 630200 deletions
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5
.gitignore vendored
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@ -5,6 +5,11 @@
*.suo
*.user
*.opendb
*.VC.db
# static library output (MSVC, GCC--from core components like Common)
*.lib
*.a
# compiler-generated sources (MSVC, GCC)
*.asm

6
Config/Glide64.rdb
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@ -1946,6 +1946,12 @@ optimize_texrect=0
swapmode=2
useless_is_useless=1
[27C985A8-ED7CE5C6-C:0]
Good Name=Mega Man 64 (Proto)
Internal Name=Megaman 64
depthmode=1
increase_texrect_edge=1
[0EC158F5-FB3E6896-C:45]
Good Name=Mega Man 64 (U)
Internal Name=Mega Man 64

34
Config/Project64.cfg.development
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@ -13,14 +13,26 @@ ShortCuts=..\..\Config\Project64.sc3
[Debugger]
Debugger=1
[Directory]
Instant Save=..\..\Save\
Instant Save - Use Selected=1
Lang=..\..\Lang
Plugin=..\..\Plugin\
Plugin64=..\..\Plugin64\
Plugin - Use Selected=1
Save=..\..\Save\
Save - Use Selected=1
Texture Dir=..\..\Textures\
Texture Dir - Use Selected=1
[Plugin Directory]
Directory=..\..\Plugin\
Use Selected=1
[Plugin64 Directory]
Directory=..\..\Plugin64\
Use Selected=1
[Native Save Directory]
Directory=..\..\Save\
Use Selected=1
[Instant Save Directory]
Directory=..\..\Save\
Use Selected=1
[Lang Directory]
Directory=..\..\Lang
[Texture Directory]
Directory=..\..\Textures\
Use Selected=1

64
Config/Project64.rdb
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@ -1811,6 +1811,7 @@ Status=Compatible
Plugin Note=[Glide64] missing menu effects
32bit=No
Culling=1
Fixed Audio=0
[B30ED978-3003C9F9-C:45]
Good Name=F-ZERO X (U)
@ -2020,11 +2021,14 @@ RDRAM Size=8
Good Name=Ganbare Goemon - Derodero Douchuu Obake Tenkomori (J)
Internal Name=GOEMON2 DERODERO
Status=Compatible
Counter Factor=1
Culling=1
[832C168B-56A2CDAE-C:4A]
Good Name=Ganbare Goemon - Neo Momoyama Bakufu no Odori (J)
Internal Name=GANBAKE GOEMON
Status=Compatible
Counter Factor=1
Culling=1
RDRAM Size=8
@ -2041,6 +2045,7 @@ Internal Name=GAUNTLET LEGENDS
Status=Issues (mixed)
Plugin Note=[Glide64] missing:various
RDRAM Size=8
RSP-Mfc0Count=10
[70B0260E-6716D04C-C:4A]
Good Name=Gauntlet Legends (J)
@ -2048,6 +2053,7 @@ Internal Name=GAUNTLET LEGENDS
Status=Issues (mixed)
Plugin Note=[Glide64] missing:various
RDRAM Size=8
RSP-Mfc0Count=10
[729B5E32-B728D980-C:45]
Good Name=Gauntlet Legends (U)
@ -2056,6 +2062,7 @@ Status=Issues (mixed)
Plugin Note=[Glide64] missing:various
Culling=1
RDRAM Size=8
RSP-Mfc0Count=10
[489C84E6-4C6E49F9-C:4A]
Good Name=Getter Love!! - Cho Ren-ai Party Game (J)
@ -2125,6 +2132,8 @@ Status=Compatible
Good Name=Goemon's Great Adventure (U)
Internal Name=GOEMONS GREAT ADV
Status=Compatible
Counter Factor=1
Culling=1
[4690FB1C-4CD56D44-C:45]
Good Name=Golden Nugget 64 (U)
@ -2466,7 +2475,7 @@ Good Name=Indiana Jones and the Infernal Machine (E) (Unreleased)
Internal Name=Indiana Jones
Status=Only intro/part OK
Core Note=Camera issue; can't play
Plugin Note=[rsp] interpreter only [video] HLE not supported
Plugin Note=[Glide64] errors:various
32bit=No
AudioResetOnLoad=Yes
Counter Factor=1
@ -2486,7 +2495,7 @@ Good Name=Indiana Jones and the Infernal Machine (U)
Internal Name=Indiana Jones
Status=Only intro/part OK
Core Note=Camera issue; can't play
Plugin Note=[rsp] interpreter only [video] HLE not supported
Plugin Note=[Glide64] errors:various
32bit=No
AudioResetOnLoad=Yes
Counter Factor=1
@ -3274,6 +3283,7 @@ Internal Name=ÏصÉÌ«ÄËß°
Status=Issues (plugin)
Plugin Note=[video] HLE not supported; errors:various
HLE GFX=No
RSP-SemaphoreExit=1
[9C663069-80F24A80-C:50]
Good Name=Mario Party (E) (M3)
@ -3371,6 +3381,11 @@ Plugin Note=[Glide64] errors:various
RDRAM Size=8
Save Type=16kbit Eeprom
[27C985A8-ED7CE5C6-C:0]
Good Name=Mega Man 64 (Proto)
Internal Name=Megaman 64
Status=Compatible
[0EC158F5-FB3E6896-C:45]
Good Name=Mega Man 64 (U)
Internal Name=Mega Man 64
@ -3602,17 +3617,22 @@ Good Name=Mystical Ninja 2 Starring Goemon (E) (M3)
Internal Name=MYSTICAL NINJA2 SG
Status=Compatible
Counter Factor=1
Culling=1
[F5360FBE-2BF1691D-C:50]
Good Name=Mystical Ninja Starring Goemon (E)
Internal Name=MYSTICAL NINJA
Status=Compatible
Counter Factor=1
Culling=1
RDRAM Size=8
[FCBCCB21-72903C6B-C:45]
Good Name=Mystical Ninja Starring Goemon (U)
Internal Name=MYSTICAL NINJA
Status=Compatible
Counter Factor=1
Culling=1
RDRAM Size=8
//================ N ================
@ -3739,12 +3759,14 @@ Status=Compatible
Good Name=NBA Live 2000 (E) (M4)
Internal Name=NBA LIVE 2000
Status=Compatible
32bit=No
[5F25B0EE-6227C1DB-C:45]
Good Name=NBA Live 2000 (U) (M4)
Internal Name=NBA LIVE 2000
Status=Compatible
Culling=1
32bit=No
[CF84F45F-00E4F6EB-C:50]
Good Name=NBA Live 99 (E) (M5)
@ -3799,11 +3821,13 @@ Status=Compatible
Good Name=NFL Blitz 2000 (U) (V1.0)
Internal Name=blitz2k
Status=Compatible
32bit=No
[5B755842-6CA39C7A-C:45]
Good Name=NFL Blitz 2000 (U) (V1.1)
Internal Name=blitz2k
Status=Compatible
32bit=No
[36FA35EB-E85E2E36-C:45]
Good Name=NFL Blitz 2001 (U)
@ -4436,6 +4460,7 @@ Culling=1
Emulate Clear=1
Linking=Off
RDRAM Size=8
RSP-Mfc0Count=10
[AC5AA5C7-A9B0CDC3-C:46]
Good Name=Pokemon Stadium 2 (F)
@ -4446,6 +4471,7 @@ Culling=1
Emulate Clear=1
Linking=Off
RDRAM Size=8
RSP-Mfc0Count=10
[439B7E7E-C1A1495D-C:44]
Good Name=Pokemon Stadium 2 (G)
@ -4456,6 +4482,7 @@ Culling=1
Emulate Clear=1
Linking=Off
RDRAM Size=8
RSP-Mfc0Count=10
[EFCEAF00-22094848-C:49]
Good Name=Pokemon Stadium 2 (I)
@ -4466,6 +4493,7 @@ Culling=1
Emulate Clear=1
Linking=Off
RDRAM Size=8
RSP-Mfc0Count=10
[63775886-5FB80E7B-C:4A]
Good Name=Pokemon Stadium 2 (J)
@ -4486,6 +4514,7 @@ Culling=1
Emulate Clear=1
Linking=Off
RDRAM Size=8
RSP-Mfc0Count=10
[03571182-892FD06D-C:45]
Good Name=Pokemon Stadium 2 (U)
@ -4496,6 +4525,7 @@ Culling=1
Emulate Clear=1
Linking=Off
RDRAM Size=8
RSP-Mfc0Count=10
[EE4FD7C2-9CF1D938-C:4A]
Good Name=Pokemon Stadium Kin Gin (J)
@ -4506,6 +4536,7 @@ Culling=1
Emulate Clear=1
Linking=Off
RDRAM Size=8
RSP-Mfc0Count=10
[41380792-A167E045-C:45]
Good Name=Polaris SnoCross (U)
@ -5268,8 +5299,8 @@ SMM-TLB=0
[7EE0E8BB-49E411AA-C:50]
Good Name=Star Wars - Rogue Squadron (E) (M3) (V1.0)
Internal Name=Rogue Squadron
Status=Broken (plugin)
Plugin Note=[rsp] interpreter only [video] HLE not supported
Status=Issues (plugin)
Plugin Note=[video] errors:various
32bit=No
AudioResetOnLoad=Yes
Counter Factor=1
@ -5280,8 +5311,8 @@ RSP-JumpTableSize=3584
[219191C1-33183C61-C:50]
Good Name=Star Wars - Rogue Squadron (E) (M3) (V1.1)
Internal Name=Rogue Squadron
Status=Broken (plugin)
Plugin Note=[rsp] interpreter only [video] HLE not supported
Status=Issues (plugin)
Plugin Note=[video] errors:various
32bit=No
AudioResetOnLoad=Yes
Counter Factor=1
@ -5292,8 +5323,8 @@ RSP-JumpTableSize=3584
[66A24BEC-2EADD94F-C:45]
Good Name=Star Wars - Rogue Squadron (U) (V1.0)
Internal Name=Rogue Squadron
Status=Broken (plugin)
Plugin Note=[rsp] interpreter only [video] HLE not supported
Status=Issues (plugin)
Plugin Note=[video] errors:various
32bit=No
AudioResetOnLoad=Yes
Counter Factor=1
@ -5304,8 +5335,8 @@ RSP-JumpTableSize=3584
[C7F30CFA-ECB0FA36-C:45]
Good Name=Star Wars - Rogue Squadron (U) (V1.1)
Internal Name=Rogue Squadron
Status=Broken (plugin)
Plugin Note=[rsp] interpreter only [video] HLE not supported
Status=Issues (plugin)
Plugin Note=[video] errors:various
32bit=No
AudioResetOnLoad=Yes
Counter Factor=1
@ -5318,6 +5349,7 @@ Good Name=Star Wars - Shadows of the Empire (E)
Internal Name=Shadow of the Empire
Status=Compatible
Core Note=Swoop bike speed issue
Linking=Off
RDRAM Size=8
[264D7E5C-18874622-C:45]
@ -5348,8 +5380,8 @@ RDRAM Size=8
[827E4890-958468DC-C:4A]
Good Name=Star Wars - Shutsugeki! Rogue Chuutai (J)
Internal Name=rogue squadron
Status=Broken (plugin)
Plugin Note=[rsp] interpreter only [video] HLE not supported
Status=Issues (plugin)
Plugin Note=[video] errors:various
32bit=No
HLE GFX=No
RDRAM Size=8
@ -5369,7 +5401,7 @@ Good Name=Star Wars Episode I - Battle for Naboo (E)
Internal Name=Battle for Naboo
Status=Only intro/part OK
Core Note=Camera issue; can't play
Plugin Note=[rsp] interpreter only [video] HLE not supported
Plugin Note=[Glide64] errors:various
32bit=No
AudioResetOnLoad=Yes
Counter Factor=1
@ -5382,7 +5414,7 @@ Good Name=Star Wars Episode I - Battle for Naboo (U)
Internal Name=Battle for Naboo
Status=Only intro/part OK
Core Note=Camera issue; can't play
Plugin Note=[rsp] interpreter only [video] HLE not supported
Plugin Note=[Glide64] errors:various
32bit=No
AudioResetOnLoad=Yes
Counter Factor=1
@ -5479,6 +5511,7 @@ AudioResetOnLoad=Yes
HLE GFX=No
Fixed Audio=0
RDRAM Size=8
RSP-Mfc0Count=10
[F4646B69-C5751095-C:4A]
Good Name=Super B-Daman - Battle Phoenix 64 (J)
@ -5548,6 +5581,7 @@ ViRefresh=2200
Good Name=Super Smash Bros. (E) (M3)
Internal Name=SMASH BROTHERS
Status=Compatible
Counter Factor=1
Culling=1
SMM-Cache=0
SMM-FUNC=0
@ -6784,6 +6818,7 @@ Plugin Note=[video] HLE not supported [audio] needs audio plugin
AudioResetOnLoad=Yes
Fixed Audio=0
HLE GFX=No
RSP-Mfc0Count=10
[308DFEC8-CE2EB5F6-C:45]
Good Name=World Driver Championship (U)
@ -6794,6 +6829,7 @@ Plugin Note=[video] HLE not supported [audio] needs audio plugin
AudioResetOnLoad=Yes
Fixed Audio=0
HLE GFX=No
RSP-Mfc0Count=10
[2D21C57B-8FE4C58C-C:50]
Good Name=Worms - Armageddon (E) (M6)

996
Lang/Catalan.pj.Lang
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@ -1,498 +1,498 @@
/*********************************************************************************
* Meta Information *
*********************************************************************************/
//About DLL
#1 # "Català" // LANGUAGE ID
#2 # "Hiro5" // Author
#3 # "2.2" // Version
#4 # "11 d'octubre de 2015" // Date
//About DLL Dialog
#5 # "Idioma actual"
#6 # "Autor"
#7 # "Versió"
#8 # "Data"
#9 # "Visiteu el lloc web"
#10 # "Base de dades de ROMs (.RDB)"
#11 # "Fitxer de Trucs (.CHT)"
#12 # "Informació estesa de ROM (.RDX)"
//About INI title
#20 # "Quant als fitxers de configuració"
/*********************************************************************************
* Menu *
*********************************************************************************/
//File Menu
#100# "&Fitxer"
#101# "&Obre una ROM"
#102# "&Informació de ROM...."
#103# "Comença l'emulació"
#104# "&Finalitza l'emulació"
#105# "Tria directori de ROMs..."
#106# "Actualitza llista de ROMs"
#107# "ROMs recents"
#108# "Directoris de ROMs recents"
#109# "&Surt"
//System Menu
#120# "&Sistema"
#121# "&Reinicia"
#122# "&Pausa"
#123# "Captura pantalla"
#124# "Limitador de velocitat"
#125# "&Desa"
#126# "Anomena i desa..."
#127# "&Restaura"
#128# "Carrega..."
#129# "&Estat desat actual"
#130# "Trucs..."
#131# "Botó de GameShark"
#132# "Continua"
#133# "Reinicia el &Programari"
#134# "Reinicia el &Maquinari"
//Options Menu
#140# "&Opcions"
#141# "&Pantalla completa"
#142# "&Sempre a sobre"
#143# "Configura el connector de vídeo..."
#144# "Configura el connector d'àudio..."
#145# "Configura el connector del controlador..."
#146# "Configura el connector RSP..."
#147# "Mostra % d'ús de CPU"
#148# "&Paràmetres..."
//Debugger Menu
#160# "&Depurador"
//Language Menu
#175# "&Idioma"
//Help Menu
#180# "&Ajuda"
#181# "Quant als fitxers &INI"
#182# "&Quant al Project 64"
#183# "&Fòrum de suport"
#184# "&Lloc web"
//Current Save Slot menu
#190# "Per defecte"
#191# "Ranura 1"
#192# "Ranura 2"
#193# "Ranura 3"
#194# "Ranura 4"
#195# "Ranura 5"
#196# "Ranura 6"
#197# "Ranura 7"
#198# "Ranura 8"
#199# "Ranura 9"
#200# "Ranura 10"
//Pop up Menu
#210# "Juga el joc"
#211# "Informació de ROM"
#212# "Edita els paràmetres del joc"
#213# "Edita els trucs"
#214# "Connector de vídeo"
//Alternate Name to save Slot
#220# "Desa a la ranura per defecte"
#221# "Desa a la ranura 1"
#222# "Desa a la ranura 2"
#223# "Desa a la ranura 3"
#224# "Desa a la ranura 4"
#225# "Desa a la ranura 5"
#226# "Desa a la ranura 6"
#227# "Desa a la ranura 7"
#228# "Desa a la ranura 8"
#229# "Desa a la ranura 9"
#230# "Desa a la ranura 10"
// Menu Descriptions
#250# "Obre una imatge ROM de Nintendo 64"
#251# "Mostra informació de la imatge carregada"
#252# "Inicia l'emulació de la imatge ROM carregada"
#253# "Atura l'emulació de la imatge ROM carregada"
#254# "Selecciona el directori de ROMs"
#255# "Actualitza la llista de ROMs en l'explorador de ROMs"
#256# "Tanca aquesta aplicació"
#257# "Recarrega la imatge ROM actual (recarrega qualsevol canvi de paràmetres)"
#258# "Pausa/Continua l'emulació de la ROM en execució actual"
#259# "Genera una imatge Bitmap de la pantalla actual"
#260# "Limita els quadres per segon a la velocitat correcta de la n64"
#261# "Crea una instantània del sistema actual per un desat ràpid"
#262# "Crea una instantània del sistema actual seleccionant la ubicació del fitxer"
#263# "Carrega una instantània ràpida desada"
#264# "Tria un fitxer d'instantània per carregar"
#265# "Activa/Desactiva trucs del GameShark"
#266# "El botó de GameShark s'utilitza amb trucs específics"
#267# "Canvia l'emulació de mode en finestra a pantalla completa"
#268# "Fa que la finestra estigui per sobre de totes les altres"
#269# "Canvia els paràmetres dins del connector de vídeo"
#270# "Canvia els paràmetres dins del connector d'àudio"
#271# "Canvia els paràmetres dins del connector de controladors (i.e. assigna les tecles)"
#272# "Canvia els paràmetres dins del connector RSP"
#273# "Mostra l'ús de CPU de l'emulador dividit en diferents recursos"
#274# "Mostra/Canvia paràmetres per aquesta aplicació"
#275# "Mostra el Manual per l'aplicació"
#276# "Mostra les PMF per l'aplicació"
#278# "Quant a l'aplicació i als autors"
#277# "Quant als autors dels fitxers de suport"
#279# "Obre aquesta imatge de ROM oberta anteriorment"
#280# "Tria aquest directori com el directori de ROMs"
#281# "Canvia l'aplicació per utilitzar aquest idioma"
#282# "Tria aquesta ubicació de desat ràpid"
#283# "Comença el joc seleccionat"
#284# "Informació del joc seleccionat"
#285# "Edita els paràmetres pel joc seleccionat"
#286# "Edita els trucs per joc seleccionat"
/*********************************************************************************
* ROM Browser *
*********************************************************************************/
//ROM Browser Fields
#300# "Nom de fitxer"
#301# "Nom intern"
#302# "Nom bo"
#303# "Estat"
#304# "Mida de ROM"
#305# "Notes (Nucli)"
#306# "Notes (complements per defecte)"
#307# "Notes (Usuari)"
#308# "ID de cartutx"
#309# "Fabricant"
#310# "País"
#311# "Desenvolupador"
#312# "CRC1"
#313# "CRC2"
#314# "Xip CIC"
#315# "Data de sortida"
#316# "Gènere"
#317# "Jugadors"
#318# "Força resposta"
#319# "Format de fitxer"
//Select ROM
#320# "Selecciona directori de ROMs actual"
//Messages
#340# "ROM dolenta? Utilitza GoodN64 i cerca una RDB actualitzada"
/*********************************************************************************
* Options *
*********************************************************************************/
//Options Title
#400# "Paràmetres"
//Tabs
#401# "Connectors"
#402# "Directoris"
#403# "Opcions"
#404# "Selecció de ROM"
#405# "Avançat"
#406# "Paràmetres generals"
#407# "Integració del sistema"
#408# "Notes"
#409# "Dreceres de teclat"
#410# "Estat"
#411# "Recompilador"
//Plugin Dialog
#420# "Quant a"
#421# " Complement de processador de senyal de realitat: "
#422# " Complement de vídeo (gràfics): "
#423# " Complement d'àudio (so): "
#424# " Complement d'entrada (controlador): "
#425# "HLE de vídeo"
#426# "HLE d'àudio"
#427# "** Utilitza complement del sistema **"
//Directory Dialog
#440# " Directori de complements: "
#441# " Directori de ROMs: "
#442# " Autodesats de N64: "
#443# " Instantànies: "
#444# " Captures de pantalla: "
#445# "Carpeta des d'on es va obrir la darrera ROM."
#446# "Seleccioneu directori de complements"
#447# "Seleccioneu directori de ROMs"
#448# "Seleccioneu directori d'autodesats"
#449# "Seleccioneu directori de desats d'instantànies"
#450# "Seleccioneu directori d'imatges"
#451# " Directori de paquets de textures: "
#452# "Seleccioneu directori de paquets de textures"
//Options Dialog
#460# "Posa en pausa quan la finestra no està activa"
#461# "Canvia a pantalla completa en carregar una ROM"
#462# "Amaga els paràmetres avançats"
#463# "Recorda els trucs seleccionats"
#464# "Desactiva l'estalvi de pantalla mentre s'executa una ROM"
#465# "Mostra la velocitat"
#466# "Mostra la velocitat:"
#467# "Comprova si Project64 ja s'està executant"
//ROM Browser Tab
#480# "Límit de ROMs recordades (Màx 10):"
#481# "ROMs"
#482# "Límit de Dirs de ROMs recordades (Màx 10):"
#483# "dirs"
#484# "Empra explorador de ROMs"
#485# "Cerca subdirectoris"
#486# "Camps disponibles:"
#487# "Mostra els camps en aquest ordre:"
#488# "Afegeix ->"
#489# "<- Esborra"
#490# "Amunt"
#491# "Avall"
#492# "Refresca el navegador automàticament"
//Advanced Options
#500# "La majoria d'aquests canvis no faran efecte fins que s'obri una nova ROM o fins a reiniciar l'actual ROM."
#501# "Predeterminats de nucli"
#502# "Estil de nucli de CPU:"
#503# "Mètode de codi auto-mod:"
#504# "Mida de memòria per defecte:"
#505# "Enllaçat de bloc avançat:"
#506# "Iniciar l'emulació quan s'obri la ROM"
#507# "Sobreescriu sempre els paràmetres per defecte amb els de l'INI"
#508# "Comprimeix automàticament els estats desats"
#509# "Activa el depurador"
#510# "Mem. cau"
#511# "PI DMA"
#512# "Inici canviat"
#513# "Memòria protegida"
#514# "Desmapat TLB"
//ROM Options
#520# "Estil de nucli de CPU:"
#521# "Refresc d'entrada de vídeo:"
#522# "Mida de memòria:"
#523# "Enllaçat de blocs avançat:"
#524# "Tipus de desat per defecte:"
#525# "Factor de comptador:"
#526# "Memòria de compilació més gran"
#527# "Empra TLB"
#528# "Registra la mem. cau"
#529# "Retard d'interrupció SI"
#530# "Modificació d'SP"
#531# "Per defecte"
#532# "Senyal d'àudio RSP"
#533# "Sincr. d'àudio arreglada"
#534# "Funció de mètode de cerca:"
#535# "Mètode de codi auto-modificant"
#536# "Sincr. utilitzant l'àudio"
#537# "Compta AI per byte"
#538# "Màquina 32-bit"
#539# "Retard d'interrupció DP"
//Core Styles
#540# "Intèrpret"
#541# "Recompilador"
#542# "Sincronitza nuclis"
//Self Mod Methods
#560# "Cap"
#561# "Mem. cau"
#562# "Protegeix memòria"
#563# "Comprova memòria i mem. cau"
#564# "Canvia memòria i mem. cau"
#565# "Comprova memòria avançada"
#566# "Neteja codi en mem. cau"
//Function Lookup method
#570# "Taula de cerca física"
#571# "Taula de cerca virtual"
#572# "Canvia la memòria"
//RDRAM Size
#580# "4 MB"
#581# "8 MB"
//Advanced Block Linking
#600# "Encès"
#601# "Apagat"
//Save Type
#620# "Primer tipus de desat usat"
#621# "EEPROM de 4 kbits"
#622# "EEPROM de 16 kbits"
#623# "SRAM"
#624# "FlashRAM de 128kbytes"
//Shell Integration Tab
#640# "Associació d'extensions de fitxer:"
//ROM Notes
#660# "Estat de ROM:"
#661# "Nota de nucli:"
#662# "Nota de complement:"
// Accelerator Selector
#680# "Estat de CPU:"
#681# "Element de menú:"
#682# "Claus actuals:"
#683# "Seleccioneu la nova clau de drecera:"
#684# "Assignada actualment a:"
#685# "Assigna"
#686# "Esborra"
#687# "Reinicia-ho tot"
#688# "No s'està jugant"
#689# "S'està jugant"
#690# "S'està jugant en finestra"
#691# "S'està jugant a pantalla completa"
#692# "Detecta tecla"
// Frame Rate Option
#700# "Interrupcions vertical per segon"
#701# "Mostra llistes per segon"
#702# "% de velocitat completa"
// Increase speed
#710# "Augmenta velocitat de joc"
#711# "Disminueix velocitat de joc"
//Bottom page buttons
#720# "Reinicia pàg."
#721# "Reinicia tot"
#722# "Aplica"
#723# "Tanca"
/*********************************************************************************
* ROM Information *
*********************************************************************************/
//ROM Info Title
#800# "Informació de ROM"
//ROM Info Text
#801# "Nom de ROM:"
#802# "Nom de fitxer:"
#803# "Ubicació:"
#804# "Mida de ROM:"
#805# "ID de cartutx:"
#806# "Fabricant:"
#807# "País:"
#808# "CRC1:"
#809# "CRC2:"
#810# "Xip CIC:"
#811# "MD5:"
/*********************************************************************************
* Cheats *
*********************************************************************************/
//Cheat List
#1000# "Trucs"
#1001# "Trucs:"
#1002# " Notes: "
#1003# "Marca-ho tot"
#1004# "Desmarca-ho tot"
//Add Cheat
#1005# "Afegeix truc"
#1006# "Nom:"
#1007# "Codi:"
#1008# "Insereix"
#1009# "Neteja"
#1010# " Notes del truc: "
#1011# "Afegeix a la DB"
//Code extension
#1012# "Extensions de codi"
#1013# "Trieu un valor per:"
#1014# "D'acord"
#1015# "Cancel·la"
//Digital Value
#1016# "Dígit de quantitat"
#1017# "Trieu un valor per:"
#1018# "&Valor"
#1019# "de"
#1020# "a"
#1021# "&Notes:"
#1022# "Afegeix truc"
#1023# "Nou truc"
#1024# "<adreça> <valor>"
#1025# "Opcions:"
#1026# "<valor> <etiqueta>"
//Edit Cheat
#1027# "Edita el truc"
#1028# "Actualitza el truc"
#1029# "El truc s'ha modificat.\n\nVoleu actualitzar?"
#1030# "Truc actualitzat"
//Cheat Popup Menu
#1040# "Afegeix nou truc..."
#1041# "Edita"
#1042# "Esborra"
// short-cut editor
#1100# "Reinicia dreceres"
#1101# "Segur que voleu reiniciar les dreceres?\n\nAquesta acció no es podrà desfer."
#1102# "Menú de Fitxer"
#1103# "Menú de Sistema"
#1104# "Opcions"
#1105# "Ranures de desat"
/*********************************************************************************
* Messages *
*********************************************************************************/
#2000# "*** CPU EN PAUSA ***"
#2001# "CPU continuat"
#2002# "Es troba en un bucle permanent i no pot sortir.\nL'emulació s'aturarà ara.\n\nComproveu la ROM i els paràmetres de ROM."
#2003# "No s'ha pogut assignar memòria"
#2004# "Ha desaparegut o no és vàlid el complement de vídeo seleccionat o per defecte.\n\nComproveu que teniu com a mínim un fitxer de complement compatible en la carpeta de complements."
#2005# "Ha desaparegut o no és vàlid el complement d'àudio seleccionat o per defecte.\n\nComproveu que teniu com a mínim un fitxer de complement compatible en la carpeta de complements."
#2006# "Ha desaparegut o no és vàlid el complement d'RSP seleccionat o per defecte.\n\nComproveu que teniu Project64 instal·lat adequadament amb un camí de complements vàlid."
#2007# "Ha desaparegut o no és vàlid el complement d'entrada seleccionat o per defecte.\n\nComproveu que teniu com a mínim un fitxer de complement compatible en la carpeta de complements."
#2008# "No s'ha pogut carregar el complement:"
#2009# "No s'ha pogut carregar la paraula\n\nComproveu la ROM i els paràmetres de ROM."
#2010# "No s'ha pogut obrir el fitxer de desat"
#2011# "No s'ha pogut obrir l'EEPROM"
#2012# "No s'ha pogut obrir el FlashRAM"
#2013# "No s'ha pogut obrir el mempak"
#2014# "Ha fallat l'intent d'obrir el fitxer zip.\nFitxer zip desaparegut o malmès - comproveu el camí i el fitxer.\n\nPotser necessitareu reiniciar l'aplicació."
#2015# "Ha fallat l'intent d'obrir el fitxer."
#2016# "S'ha produït un error en provar d'obrir el fitxer zip."
#2017# "El fitxer carregat no sembla que sigui una ROM de Nintendo 64 vàlida.\n\nVerifiqueu les ROMs amb GoodN64."
#2018# "País desconegut"
#2019# "Xip CIC desconegut"
#2020# "Format de fitxer desconegut"
#2021# "Acció de memòria desconeguda\n\nEmulació aturada"
#2022# "OpCode R4300i no gestionat a"
#2023# "Executant des d'un espai no-mapat.\n\nVerifiqueu la ROM i els paràmetres de la ROM."
#2024# "Sembla que l'estat desat no correspon a la ROM en execució.\n\nEls estats desats s'han de desar i carregar entre ROMs 100% idèntiques,\nen particular la REGIÓ i la VERSIÓ han de ser les mateixes.\nCarregant aquest estat és com provocar una fallida al joc o a l'emulador.\n\nSegur que voleu continuar carregant?"
#2025# "Error"
#2026# "No s'ha trobat la seqüència de copyright en el LUT. El joc deixarà de funcionar."
#2027# "Fallida de protecció de còpia"
#2028# "Canviar un complement cal que Project64 reinicii una ROM en execució.\nSi no vols perdre la teva posició, respon No i fes un desat d'estat primer.\n\nVoleu canviar els complements i reiniciar el joc ara?"
#2029# "Canvia complements"
#2030# "Emulació finalitzada"
#2031# "Emulació iniciada"
#2032# "No s'ha pogut carregar l'estat desat"
#2033# "S'ha carregat l'estat desat"
#2034# "S'ha desat l'estat actual a"
#2035# "Ranura d'estat desat"
#2036# "Imatge d'intercanvi d'octets"
#2037# "Triant imatge de N64"
#2038# "Carregat"
#2039# "Carregant imatge"
#2040# "No es pot obrir cap ROM perquè els complements no s'han iniciat correctament"
#2041# "Esteu realment segur que voleu esborrar això?"
#2042# "Esborra el truc"
#2043# "El nom del truc ja es troba en ús"
#2044# "Heu arribat al límit màxim de trucs per aquesta ROM"
#2045# "Inicialitzant complement"
#2046# "No heu seleccionat una clau virtual per assignar a l'element de menú."
#2047# "Necessiteu seleccionar un element de menú per assignar a aquesta acció."
#2048# "La drecera ja està assignada a un altre element de menú."
#2049# "No s'ha seleccionat cap drecera per esborrar."
#2050# "ROM carregada. Esperant per iniciar l'emulació."
#2051# "La versió beta de Project64 només és pels membres.\n\nSi teniu un compte a pj64.net, no hauríeu de veure aquest error!!\nContacteu amb nosaltres a la web."
#2052# "Error del programa"
#2053# "No s'ha pogut trobar el fitxer dins del fitxer 7z"
#2054# "Emulació de baix nivell (LLE) de vídeo"
#2055# "L'LLE de vídeo no és per un ús genèric!!!\nÉs aconsellable que només utilitzis això per fer proves i no per jugar.\n\nVoleu canviar a l'LLE de vídeo?"
#2056# "Emulació d'alt nivell (HLE) d'àudio"
#2057# "L'HLE d'àudio requereix un complement de tercers!!!\nSi s'utilitza cap complement de tercers que suporti HLE, no hi haurà cap so.\n\nVoleu canviar a l'HLE d'àudio?"
/*********************************************************************************
* Meta Information *
*********************************************************************************/
//About DLL
#1 # "Català" // LANGUAGE ID
#2 # "Hiro5" // Author
#3 # "2.2" // Version
#4 # "11 d'octubre de 2015" // Date
//About DLL Dialog
#5 # "Idioma actual"
#6 # "Autor"
#7 # "Versió"
#8 # "Data"
#9 # "Visiteu el lloc web"
#10 # "Base de dades de ROMs (.RDB)"
#11 # "Fitxer de Trucs (.CHT)"
#12 # "Informació estesa de ROM (.RDX)"
//About INI title
#20 # "Quant als fitxers de configuració"
/*********************************************************************************
* Menu *
*********************************************************************************/
//File Menu
#100# "&Fitxer"
#101# "&Obre una ROM"
#102# "&Informació de ROM...."
#103# "Comença l'emulació"
#104# "&Finalitza l'emulació"
#105# "Tria directori de ROMs..."
#106# "Actualitza llista de ROMs"
#107# "ROMs recents"
#108# "Directoris de ROMs recents"
#109# "&Surt"
//System Menu
#120# "&Sistema"
#121# "&Reinicia"
#122# "&Pausa"
#123# "Captura pantalla"
#124# "Limitador de velocitat"
#125# "&Desa"
#126# "Anomena i desa..."
#127# "&Restaura"
#128# "Carrega..."
#129# "&Estat desat actual"
#130# "Trucs..."
#131# "Botó de GameShark"
#132# "Continua"
#133# "Reinicia el &Programari"
#134# "Reinicia el &Maquinari"
//Options Menu
#140# "&Opcions"
#141# "&Pantalla completa"
#142# "&Sempre a sobre"
#143# "Configura el connector de vídeo..."
#144# "Configura el connector d'àudio..."
#145# "Configura el connector del controlador..."
#146# "Configura el connector RSP..."
#147# "Mostra % d'ús de CPU"
#148# "&Paràmetres..."
//Debugger Menu
#160# "&Depurador"
//Language Menu
#175# "&Idioma"
//Help Menu
#180# "&Ajuda"
#181# "Quant als fitxers &INI"
#182# "&Quant al Project 64"
#183# "&Fòrum de suport"
#184# "&Lloc web"
//Current Save Slot menu
#190# "Per defecte"
#191# "Ranura 1"
#192# "Ranura 2"
#193# "Ranura 3"
#194# "Ranura 4"
#195# "Ranura 5"
#196# "Ranura 6"
#197# "Ranura 7"
#198# "Ranura 8"
#199# "Ranura 9"
#200# "Ranura 10"
//Pop up Menu
#210# "Juga el joc"
#211# "Informació de ROM"
#212# "Edita els paràmetres del joc"
#213# "Edita els trucs"
#214# "Connector de vídeo"
//Alternate Name to save Slot
#220# "Desa a la ranura per defecte"
#221# "Desa a la ranura 1"
#222# "Desa a la ranura 2"
#223# "Desa a la ranura 3"
#224# "Desa a la ranura 4"
#225# "Desa a la ranura 5"
#226# "Desa a la ranura 6"
#227# "Desa a la ranura 7"
#228# "Desa a la ranura 8"
#229# "Desa a la ranura 9"
#230# "Desa a la ranura 10"
// Menu Descriptions
#250# "Obre una imatge ROM de Nintendo 64"
#251# "Mostra informació de la imatge carregada"
#252# "Inicia l'emulació de la imatge ROM carregada"
#253# "Atura l'emulació de la imatge ROM carregada"
#254# "Selecciona el directori de ROMs"
#255# "Actualitza la llista de ROMs en l'explorador de ROMs"
#256# "Tanca aquesta aplicació"
#257# "Recarrega la imatge ROM actual (recarrega qualsevol canvi de paràmetres)"
#258# "Pausa/Continua l'emulació de la ROM en execució actual"
#259# "Genera una imatge Bitmap de la pantalla actual"
#260# "Limita els quadres per segon a la velocitat correcta de la n64"
#261# "Crea una instantània del sistema actual per un desat ràpid"
#262# "Crea una instantània del sistema actual seleccionant la ubicació del fitxer"
#263# "Carrega una instantània ràpida desada"
#264# "Tria un fitxer d'instantània per carregar"
#265# "Activa/Desactiva trucs del GameShark"
#266# "El botó de GameShark s'utilitza amb trucs específics"
#267# "Canvia l'emulació de mode en finestra a pantalla completa"
#268# "Fa que la finestra estigui per sobre de totes les altres"
#269# "Canvia els paràmetres dins del connector de vídeo"
#270# "Canvia els paràmetres dins del connector d'àudio"
#271# "Canvia els paràmetres dins del connector de controladors (i.e. assigna les tecles)"
#272# "Canvia els paràmetres dins del connector RSP"
#273# "Mostra l'ús de CPU de l'emulador dividit en diferents recursos"
#274# "Mostra/Canvia paràmetres per aquesta aplicació"
#275# "Mostra el Manual per l'aplicació"
#276# "Mostra les PMF per l'aplicació"
#278# "Quant a l'aplicació i als autors"
#277# "Quant als autors dels fitxers de suport"
#279# "Obre aquesta imatge de ROM oberta anteriorment"
#280# "Tria aquest directori com el directori de ROMs"
#281# "Canvia l'aplicació per utilitzar aquest idioma"
#282# "Tria aquesta ubicació de desat ràpid"
#283# "Comença el joc seleccionat"
#284# "Informació del joc seleccionat"
#285# "Edita els paràmetres pel joc seleccionat"
#286# "Edita els trucs per joc seleccionat"
/*********************************************************************************
* ROM Browser *
*********************************************************************************/
//ROM Browser Fields
#300# "Nom de fitxer"
#301# "Nom intern"
#302# "Nom bo"
#303# "Estat"
#304# "Mida de ROM"
#305# "Notes (Nucli)"
#306# "Notes (complements per defecte)"
#307# "Notes (Usuari)"
#308# "ID de cartutx"
#309# "Fabricant"
#310# "País"
#311# "Desenvolupador"
#312# "CRC1"
#313# "CRC2"
#314# "Xip CIC"
#315# "Data de sortida"
#316# "Gènere"
#317# "Jugadors"
#318# "Força resposta"
#319# "Format de fitxer"
//Select ROM
#320# "Selecciona directori de ROMs actual"
//Messages
#340# "ROM dolenta? Utilitza GoodN64 i cerca una RDB actualitzada"
/*********************************************************************************
* Options *
*********************************************************************************/
//Options Title
#400# "Paràmetres"
//Tabs
#401# "Connectors"
#402# "Directoris"
#403# "Opcions"
#404# "Selecció de ROM"
#405# "Avançat"
#406# "Paràmetres generals"
#407# "Integració del sistema"
#408# "Notes"
#409# "Dreceres de teclat"
#410# "Estat"
#411# "Recompilador"
//Plugin Dialog
#420# "Quant a"
#421# " Complement de processador de senyal de realitat: "
#422# " Complement de vídeo (gràfics): "
#423# " Complement d'àudio (so): "
#424# " Complement d'entrada (controlador): "
#425# "HLE de vídeo"
#426# "HLE d'àudio"
#427# "** Utilitza complement del sistema **"
//Directory Dialog
#440# " Directori de complements: "
#441# " Directori de ROMs: "
#442# " Autodesats de N64: "
#443# " Instantànies: "
#444# " Captures de pantalla: "
#445# "Carpeta des d'on es va obrir la darrera ROM."
#446# "Seleccioneu directori de complements"
#447# "Seleccioneu directori de ROMs"
#448# "Seleccioneu directori d'autodesats"
#449# "Seleccioneu directori de desats d'instantànies"
#450# "Seleccioneu directori d'imatges"
#451# " Directori de paquets de textures: "
#452# "Seleccioneu directori de paquets de textures"
//Options Dialog
#460# "Posa en pausa quan la finestra no està activa"
#461# "Canvia a pantalla completa en carregar una ROM"
#462# "Amaga els paràmetres avançats"
#463# "Recorda els trucs seleccionats"
#464# "Desactiva l'estalvi de pantalla mentre s'executa una ROM"
#465# "Mostra la velocitat"
#466# "Mostra la velocitat:"
#467# "Comprova si Project64 ja s'està executant"
//ROM Browser Tab
#480# "Límit de ROMs recordades (Màx 10):"
#481# "ROMs"
#482# "Límit de Dirs de ROMs recordades (Màx 10):"
#483# "dirs"
#484# "Empra explorador de ROMs"
#485# "Cerca subdirectoris"
#486# "Camps disponibles:"
#487# "Mostra els camps en aquest ordre:"
#488# "Afegeix ->"
#489# "<- Esborra"
#490# "Amunt"
#491# "Avall"
#492# "Refresca el navegador automàticament"
//Advanced Options
#500# "La majoria d'aquests canvis no faran efecte fins que s'obri una nova ROM o fins a reiniciar l'actual ROM."
#501# "Predeterminats de nucli"
#502# "Estil de nucli de CPU:"
#503# "Mètode de codi auto-mod:"
#504# "Mida de memòria per defecte:"
#505# "Enllaçat de bloc avançat:"
#506# "Iniciar l'emulació quan s'obri la ROM"
#507# "Sobreescriu sempre els paràmetres per defecte amb els de l'INI"
#508# "Comprimeix automàticament els estats desats"
#509# "Activa el depurador"
#510# "Mem. cau"
#511# "PI DMA"
#512# "Inici canviat"
#513# "Memòria protegida"
#514# "Desmapat TLB"
//ROM Options
#520# "Estil de nucli de CPU:"
#521# "Refresc d'entrada de vídeo:"
#522# "Mida de memòria:"
#523# "Enllaçat de blocs avançat:"
#524# "Tipus de desat per defecte:"
#525# "Factor de comptador:"
#526# "Memòria de compilació més gran"
#527# "Empra TLB"
#528# "Registra la mem. cau"
#529# "Retard d'interrupció SI"
#530# "Modificació d'SP"
#531# "Per defecte"
#532# "Senyal d'àudio RSP"
#533# "Sincr. d'àudio arreglada"
#534# "Funció de mètode de cerca:"
#535# "Mètode de codi auto-modificant"
#536# "Sincr. utilitzant l'àudio"
#537# "Compta AI per byte"
#538# "Màquina 32-bit"
#539# "Retard d'interrupció DP"
//Core Styles
#540# "Intèrpret"
#541# "Recompilador"
#542# "Sincronitza nuclis"
//Self Mod Methods
#560# "Cap"
#561# "Mem. cau"
#562# "Protegeix memòria"
#563# "Comprova memòria i mem. cau"
#564# "Canvia memòria i mem. cau"
#565# "Comprova memòria avançada"
#566# "Neteja codi en mem. cau"
//Function Lookup method
#570# "Taula de cerca física"
#571# "Taula de cerca virtual"
#572# "Canvia la memòria"
//RDRAM Size
#580# "4 MB"
#581# "8 MB"
//Advanced Block Linking
#600# "Encès"
#601# "Apagat"
//Save Type
#620# "Primer tipus de desat usat"
#621# "EEPROM de 4 kbits"
#622# "EEPROM de 16 kbits"
#623# "SRAM"
#624# "FlashRAM de 128kbytes"
//Shell Integration Tab
#640# "Associació d'extensions de fitxer:"
//ROM Notes
#660# "Estat de ROM:"
#661# "Nota de nucli:"
#662# "Nota de complement:"
// Accelerator Selector
#680# "Estat de CPU:"
#681# "Element de menú:"
#682# "Claus actuals:"
#683# "Seleccioneu la nova clau de drecera:"
#684# "Assignada actualment a:"
#685# "Assigna"
#686# "Esborra"
#687# "Reinicia-ho tot"
#688# "No s'està jugant"
#689# "S'està jugant"
#690# "S'està jugant en finestra"
#691# "S'està jugant a pantalla completa"
#692# "Detecta tecla"
// Frame Rate Option
#700# "Interrupcions vertical per segon"
#701# "Mostra llistes per segon"
#702# "% de velocitat completa"
// Increase speed
#710# "Augmenta velocitat de joc"
#711# "Disminueix velocitat de joc"
//Bottom page buttons
#720# "Reinicia pàg."
#721# "Reinicia tot"
#722# "Aplica"
#723# "Tanca"
/*********************************************************************************
* ROM Information *
*********************************************************************************/
//ROM Info Title
#800# "Informació de ROM"
//ROM Info Text
#801# "Nom de ROM:"
#802# "Nom de fitxer:"
#803# "Ubicació:"
#804# "Mida de ROM:"
#805# "ID de cartutx:"
#806# "Fabricant:"
#807# "País:"
#808# "CRC1:"
#809# "CRC2:"
#810# "Xip CIC:"
#811# "MD5:"
/*********************************************************************************
* Cheats *
*********************************************************************************/
//Cheat List
#1000# "Trucs"
#1001# "Trucs:"
#1002# " Notes: "
#1003# "Marca-ho tot"
#1004# "Desmarca-ho tot"
//Add Cheat
#1005# "Afegeix truc"
#1006# "Nom:"
#1007# "Codi:"
#1008# "Insereix"
#1009# "Neteja"
#1010# " Notes del truc: "
#1011# "Afegeix a la DB"
//Code extension
#1012# "Extensions de codi"
#1013# "Trieu un valor per:"
#1014# "D'acord"
#1015# "Cancel·la"
//Digital Value
#1016# "Dígit de quantitat"
#1017# "Trieu un valor per:"
#1018# "&Valor"
#1019# "de"
#1020# "a"
#1021# "&Notes:"
#1022# "Afegeix truc"
#1023# "Nou truc"
#1024# "<adreça> <valor>"
#1025# "Opcions:"
#1026# "<valor> <etiqueta>"
//Edit Cheat
#1027# "Edita el truc"
#1028# "Actualitza el truc"
#1029# "El truc s'ha modificat.\n\nVoleu actualitzar?"
#1030# "Truc actualitzat"
//Cheat Popup Menu
#1040# "Afegeix nou truc..."
#1041# "Edita"
#1042# "Esborra"
// short-cut editor
#1100# "Reinicia dreceres"
#1101# "Segur que voleu reiniciar les dreceres?\n\nAquesta acció no es podrà desfer."
#1102# "Menú de Fitxer"
#1103# "Menú de Sistema"
#1104# "Opcions"
#1105# "Ranures de desat"
/*********************************************************************************
* Messages *
*********************************************************************************/
#2000# "*** CPU EN PAUSA ***"
#2001# "CPU continuat"
#2002# "Es troba en un bucle permanent i no pot sortir.\nL'emulació s'aturarà ara.\n\nComproveu la ROM i els paràmetres de ROM."
#2003# "No s'ha pogut assignar memòria"
#2004# "Ha desaparegut o no és vàlid el complement de vídeo seleccionat o per defecte.\n\nComproveu que teniu com a mínim un fitxer de complement compatible en la carpeta de complements."
#2005# "Ha desaparegut o no és vàlid el complement d'àudio seleccionat o per defecte.\n\nComproveu que teniu com a mínim un fitxer de complement compatible en la carpeta de complements."
#2006# "Ha desaparegut o no és vàlid el complement d'RSP seleccionat o per defecte.\n\nComproveu que teniu Project64 instal·lat adequadament amb un camí de complements vàlid."
#2007# "Ha desaparegut o no és vàlid el complement d'entrada seleccionat o per defecte.\n\nComproveu que teniu com a mínim un fitxer de complement compatible en la carpeta de complements."
#2008# "No s'ha pogut carregar el complement:"
#2009# "No s'ha pogut carregar la paraula\n\nComproveu la ROM i els paràmetres de ROM."
#2010# "No s'ha pogut obrir el fitxer de desat"
#2011# "No s'ha pogut obrir l'EEPROM"
#2012# "No s'ha pogut obrir el FlashRAM"
#2013# "No s'ha pogut obrir el mempak"
#2014# "Ha fallat l'intent d'obrir el fitxer zip.\nFitxer zip desaparegut o malmès - comproveu el camí i el fitxer.\n\nPotser necessitareu reiniciar l'aplicació."
#2015# "Ha fallat l'intent d'obrir el fitxer."
#2016# "S'ha produït un error en provar d'obrir el fitxer zip."
#2017# "El fitxer carregat no sembla que sigui una ROM de Nintendo 64 vàlida.\n\nVerifiqueu les ROMs amb GoodN64."
#2018# "País desconegut"
#2019# "Xip CIC desconegut"
#2020# "Format de fitxer desconegut"
#2021# "Acció de memòria desconeguda\n\nEmulació aturada"
#2022# "OpCode R4300i no gestionat a"
#2023# "Executant des d'un espai no-mapat.\n\nVerifiqueu la ROM i els paràmetres de la ROM."
#2024# "Sembla que l'estat desat no correspon a la ROM en execució.\n\nEls estats desats s'han de desar i carregar entre ROMs 100% idèntiques,\nen particular la REGIÓ i la VERSIÓ han de ser les mateixes.\nCarregant aquest estat és com provocar una fallida al joc o a l'emulador.\n\nSegur que voleu continuar carregant?"
#2025# "Error"
#2026# "No s'ha trobat la seqüència de copyright en el LUT. El joc deixarà de funcionar."
#2027# "Fallida de protecció de còpia"
#2028# "Canviar un complement cal que Project64 reinicii una ROM en execució.\nSi no vols perdre la teva posició, respon No i fes un desat d'estat primer.\n\nVoleu canviar els complements i reiniciar el joc ara?"
#2029# "Canvia complements"
#2030# "Emulació finalitzada"
#2031# "Emulació iniciada"
#2032# "No s'ha pogut carregar l'estat desat"
#2033# "S'ha carregat l'estat desat"
#2034# "S'ha desat l'estat actual a"
#2035# "Ranura d'estat desat"
#2036# "Imatge d'intercanvi d'octets"
#2037# "Triant imatge de N64"
#2038# "Carregat"
#2039# "Carregant imatge"
#2040# "No es pot obrir cap ROM perquè els complements no s'han iniciat correctament"
#2041# "Esteu realment segur que voleu esborrar això?"
#2042# "Esborra el truc"
#2043# "El nom del truc ja es troba en ús"
#2044# "Heu arribat al límit màxim de trucs per aquesta ROM"
#2045# "Inicialitzant complement"
#2046# "No heu seleccionat una clau virtual per assignar a l'element de menú."
#2047# "Necessiteu seleccionar un element de menú per assignar a aquesta acció."
#2048# "La drecera ja està assignada a un altre element de menú."
#2049# "No s'ha seleccionat cap drecera per esborrar."
#2050# "ROM carregada. Esperant per iniciar l'emulació."
#2051# "La versió beta de Project64 només és pels membres.\n\nSi teniu un compte a pj64.net, no hauríeu de veure aquest error!!\nContacteu amb nosaltres a la web."
#2052# "Error del programa"
#2053# "No s'ha pogut trobar el fitxer dins del fitxer 7z"
#2054# "Emulació de baix nivell (LLE) de vídeo"
#2055# "L'LLE de vídeo no és per un ús genèric!!!\nÉs aconsellable que només utilitzis això per fer proves i no per jugar.\n\nVoleu canviar a l'LLE de vídeo?"
#2056# "Emulació d'alt nivell (HLE) d'àudio"
#2057# "L'HLE d'àudio requereix un complement de tercers!!!\nSi s'utilitza cap complement de tercers que suporti HLE, no hi haurà cap so.\n\nVoleu canviar a l'HLE d'àudio?"

1
Lang/English.pj.Lang
View File

@ -234,6 +234,7 @@
#465# "Display speed"
#466# "Speed display:"
#467# "Check if Project64 is already running"
#468# "Unique Game Save Directory"
//ROM Browser Tab
#480# "Max # of ROMs remembered (0-10):"

1
Lang/English_alternative.pj.Lang
View File

@ -210,6 +210,7 @@
#465# "&Display speed"
#466# "Speed display:"
#467# "&Check if Project64 is already running"
#468# "&Unique Game Save Directory"
//ROM Browser Tab
#480# "&Number of ROMs to remember (0-10)"

3
Lang/French.pj.Lang
View File

@ -1,4 +1,4 @@
/*********************************************************************************
/*********************************************************************************
* Meta Information *
*********************************************************************************/
//About DLL
@ -96,6 +96,7 @@
#212# "Éditer les paramètres du jeu"
#213# "Éditer les cheats"
#214# "Plugin graphique"
#215# "Lancer le Jeu avec le Disque"
//Alternate Name to save Slot
#220# "Emplacement de sauvegarde - Défaut"

3
Lang/Japanese.pj.Lang
View File

@ -246,8 +246,9 @@
#463# "前回使ったチートを記憶する(&R)"
#464# "ロムの実行中はスクリーンセーバーを無効にする"
#465# "フレームレートを表示"
#466# "表示形式によってフレームレートを変更する:"
#466# "フレームレートの表示形式"
#467# "Project64がすでに起動しているかチェックする"
#468# "ゲーム毎にセーブディレクトリを作成する"
//ROM Browser Tab
#480# "最近開いたロムファイルの表示する数(0～10):"

1
Lang/Spanish.pj.Lang
View File

@ -234,6 +234,7 @@
#465# "Mostrar velocidad"
#466# "Velocidad de la pantalla:"
#467# "Comprobar si Project64 ya está en ejecución"
#468# "Directorio Único de Guardados de Juego"
//ROM Browser Tab
#480# "Máx # de ROMs recordadas (0-10):"

145
Project64.sln
View File

@ -1,18 +1,17 @@

Microsoft Visual Studio Solution File, Format Version 12.00
# Visual Studio 2013
VisualStudioVersion = 12.0.31101.0
VisualStudioVersion = 12.0.21005.1
MinimumVisualStudioVersion = 10.0.40219.1
Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "3rd Party", "3rd Party", "{AA8F7F8E-5377-4911-859D-8A8817B0DB26}"
EndProject
Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "wxWidgets", "wxWidgets", "{1379F817-7E3D-4F58-9C22-7E364E46E842}"
EndProject
Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Glide", "Glide", "{9FE699A5-41C3-4441-92AB-639B3D77DE26}"
EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "Common", "Source\Common\Common.vcxproj", "{B4A4B994-9111-42B1-93C2-6F1CA8BC4421}"
EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "Project64", "Source\Project64\Project64.vcxproj", "{7E534C8E-1ACE-4A88-8807-39A11ED4DA18}"
ProjectSection(ProjectDependencies) = postProject
{A4D13408-A794-4199-8FC7-4A9A32505005} = {A4D13408-A794-4199-8FC7-4A9A32505005}
{FD617E80-9E40-4138-85DA-B94633972E6A} = {FD617E80-9E40-4138-85DA-B94633972E6A}
EndProjectSection
EndProject
@ -35,16 +34,6 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "Project64Setup", "Source\In
EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "Glide64", "Source\Glide64\Glide64.vcxproj", "{A4D13408-A794-4199-8FC7-4A9A32505005}"
EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "core", "Source\3rdParty\wx\wx_core.vcxproj", "{93447136-FACD-4740-8F35-FC46FB4A9E82}"
EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "base", "Source\3rdParty\wx\wx_base.vcxproj", "{427F1DCD-3BED-4010-9322-077A4C06D871}"
EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "wxjpeg", "Source\3rdParty\wx\wx_wxjpeg.vcxproj", "{93CFEDF3-9A75-4484-B169-D9D8074F5AC2}"
EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "wxpng", "Source\3rdParty\wx\wx_wxpng.vcxproj", "{05B9CB11-12D1-47CD-8E4A-88E12162119B}"
EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "wxzlib", "Source\3rdParty\wx\wx_wxzlib.vcxproj", "{25A25249-C284-4C5A-8DC2-26FC3EB13703}"
EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "Glitch64", "Source\Glitch64\Glitch64.vcxproj", "{462C2608-182F-452C-944F-AF201E19300B}"
EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "GlideHQ", "Source\GlideHQ\GlideHQ.vcxproj", "{2DADDAA5-0F57-46ED-A974-747908DDC7F3}"
@ -60,10 +49,26 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "PropertySheets", "PropertyS
PropertySheets\Release.props = PropertySheets\Release.props
EndProjectSection
EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "SDL2", "Source\3rdParty\sdl\sdl2.vcxproj", "{81CE8DAF-EBB2-4761-8E45-B71ABCCA8C68}"
EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "Project64-core", "Source\Project64-core\Project64-core.vcxproj", "{00C7B43A-DED7-4DF0-B072-9A5783EF866D}"
EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "png", "Source\3rdParty\png\png.vcxproj", "{17836496-31B0-46F2-B1B1-366D7DF6F04C}"
EndProject
Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Android", "Android", "{0E0FCAC2-E128-4886-8EE6-1BCA84551F58}"
EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "PluginAudio", "Source\Android\PluginAudio\PluginAudio.vcxproj", "{D233025A-231F-4A43-92B6-E87193C60ACC}"
EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "PluginInput", "Source\Android\PluginInput\PluginInput.vcxproj", "{1133A1CC-A9E5-4026-B20D-6A2987130D4E}"
EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "PluginRSP", "Source\Android\PluginRSP\PluginRSP.vcxproj", "{B685BB34-D700-4FCC-8503-9B6AA1A0C95D}"
EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "JniBridge", "Source\Android\Bridge\Bridge.vcxproj", "{593B00E6-1987-415D-A62C-26533FC3E95C}"
EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "PluginAudio", "..\project64-console\Source\Android\PluginAudio\PluginAudio.vcxproj", "{FEEA1071-2F0A-4436-A698-D0AF8CF79CFE}"
EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "PluginInput", "..\project64-console\Source\Android\PluginInput\PluginInput.vcxproj", "{694F79A3-70F8-49F5-9287-8C38E1C8B6B1}"
EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "JniBridge", "..\project64-console\Source\Android\Bridge\Bridge.vcxproj", "{2607037A-ADEE-4C8D-9761-17E7823A9E61}"
EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|Win32 = Debug|Win32
@ -141,46 +146,6 @@ Global
{A4D13408-A794-4199-8FC7-4A9A32505005}.Release|Win32.Build.0 = Release|Win32
{A4D13408-A794-4199-8FC7-4A9A32505005}.Release|x64.ActiveCfg = Release|x64
{A4D13408-A794-4199-8FC7-4A9A32505005}.Release|x64.Build.0 = Release|x64
{93447136-FACD-4740-8F35-FC46FB4A9E82}.Debug|Win32.ActiveCfg = Debug|Win32
{93447136-FACD-4740-8F35-FC46FB4A9E82}.Debug|Win32.Build.0 = Debug|Win32
{93447136-FACD-4740-8F35-FC46FB4A9E82}.Debug|x64.ActiveCfg = Debug|x64
{93447136-FACD-4740-8F35-FC46FB4A9E82}.Debug|x64.Build.0 = Debug|x64
{93447136-FACD-4740-8F35-FC46FB4A9E82}.Release|Win32.ActiveCfg = Release|Win32
{93447136-FACD-4740-8F35-FC46FB4A9E82}.Release|Win32.Build.0 = Release|Win32
{93447136-FACD-4740-8F35-FC46FB4A9E82}.Release|x64.ActiveCfg = Release|x64
{93447136-FACD-4740-8F35-FC46FB4A9E82}.Release|x64.Build.0 = Release|x64
{427F1DCD-3BED-4010-9322-077A4C06D871}.Debug|Win32.ActiveCfg = Debug|Win32
{427F1DCD-3BED-4010-9322-077A4C06D871}.Debug|Win32.Build.0 = Debug|Win32
{427F1DCD-3BED-4010-9322-077A4C06D871}.Debug|x64.ActiveCfg = Debug|x64
{427F1DCD-3BED-4010-9322-077A4C06D871}.Debug|x64.Build.0 = Debug|x64
{427F1DCD-3BED-4010-9322-077A4C06D871}.Release|Win32.ActiveCfg = Release|Win32
{427F1DCD-3BED-4010-9322-077A4C06D871}.Release|Win32.Build.0 = Release|Win32
{427F1DCD-3BED-4010-9322-077A4C06D871}.Release|x64.ActiveCfg = Release|x64
{427F1DCD-3BED-4010-9322-077A4C06D871}.Release|x64.Build.0 = Release|x64
{93CFEDF3-9A75-4484-B169-D9D8074F5AC2}.Debug|Win32.ActiveCfg = Debug|Win32
{93CFEDF3-9A75-4484-B169-D9D8074F5AC2}.Debug|Win32.Build.0 = Debug|Win32
{93CFEDF3-9A75-4484-B169-D9D8074F5AC2}.Debug|x64.ActiveCfg = Debug|x64
{93CFEDF3-9A75-4484-B169-D9D8074F5AC2}.Debug|x64.Build.0 = Debug|x64
{93CFEDF3-9A75-4484-B169-D9D8074F5AC2}.Release|Win32.ActiveCfg = Release|Win32
{93CFEDF3-9A75-4484-B169-D9D8074F5AC2}.Release|Win32.Build.0 = Release|Win32
{93CFEDF3-9A75-4484-B169-D9D8074F5AC2}.Release|x64.ActiveCfg = Release|x64
{93CFEDF3-9A75-4484-B169-D9D8074F5AC2}.Release|x64.Build.0 = Release|x64
{05B9CB11-12D1-47CD-8E4A-88E12162119B}.Debug|Win32.ActiveCfg = Debug|Win32
{05B9CB11-12D1-47CD-8E4A-88E12162119B}.Debug|Win32.Build.0 = Debug|Win32
{05B9CB11-12D1-47CD-8E4A-88E12162119B}.Debug|x64.ActiveCfg = Debug|x64
{05B9CB11-12D1-47CD-8E4A-88E12162119B}.Debug|x64.Build.0 = Debug|x64
{05B9CB11-12D1-47CD-8E4A-88E12162119B}.Release|Win32.ActiveCfg = Release|Win32
{05B9CB11-12D1-47CD-8E4A-88E12162119B}.Release|Win32.Build.0 = Release|Win32
{05B9CB11-12D1-47CD-8E4A-88E12162119B}.Release|x64.ActiveCfg = Release|x64
{05B9CB11-12D1-47CD-8E4A-88E12162119B}.Release|x64.Build.0 = Release|x64
{25A25249-C284-4C5A-8DC2-26FC3EB13703}.Debug|Win32.ActiveCfg = Debug|Win32
{25A25249-C284-4C5A-8DC2-26FC3EB13703}.Debug|Win32.Build.0 = Debug|Win32
{25A25249-C284-4C5A-8DC2-26FC3EB13703}.Debug|x64.ActiveCfg = Debug|x64
{25A25249-C284-4C5A-8DC2-26FC3EB13703}.Debug|x64.Build.0 = Debug|x64
{25A25249-C284-4C5A-8DC2-26FC3EB13703}.Release|Win32.ActiveCfg = Release|Win32
{25A25249-C284-4C5A-8DC2-26FC3EB13703}.Release|Win32.Build.0 = Release|Win32
{25A25249-C284-4C5A-8DC2-26FC3EB13703}.Release|x64.ActiveCfg = Release|x64
{25A25249-C284-4C5A-8DC2-26FC3EB13703}.Release|x64.Build.0 = Release|x64
{462C2608-182F-452C-944F-AF201E19300B}.Debug|Win32.ActiveCfg = Debug|Win32
{462C2608-182F-452C-944F-AF201E19300B}.Debug|Win32.Build.0 = Debug|Win32
{462C2608-182F-452C-944F-AF201E19300B}.Debug|x64.ActiveCfg = Debug|x64
@ -205,14 +170,6 @@ Global
{FD617E80-9E40-4138-85DA-B94633972E6A}.Release|Win32.Build.0 = Release|Win32
{FD617E80-9E40-4138-85DA-B94633972E6A}.Release|x64.ActiveCfg = Release|x64
{FD617E80-9E40-4138-85DA-B94633972E6A}.Release|x64.Build.0 = Release|x64
{81CE8DAF-EBB2-4761-8E45-B71ABCCA8C68}.Debug|Win32.ActiveCfg = Debug|Win32
{81CE8DAF-EBB2-4761-8E45-B71ABCCA8C68}.Debug|Win32.Build.0 = Debug|Win32
{81CE8DAF-EBB2-4761-8E45-B71ABCCA8C68}.Debug|x64.ActiveCfg = Debug|x64
{81CE8DAF-EBB2-4761-8E45-B71ABCCA8C68}.Debug|x64.Build.0 = Debug|x64
{81CE8DAF-EBB2-4761-8E45-B71ABCCA8C68}.Release|Win32.ActiveCfg = Release|Win32
{81CE8DAF-EBB2-4761-8E45-B71ABCCA8C68}.Release|Win32.Build.0 = Release|Win32
{81CE8DAF-EBB2-4761-8E45-B71ABCCA8C68}.Release|x64.ActiveCfg = Release|x64
{81CE8DAF-EBB2-4761-8E45-B71ABCCA8C68}.Release|x64.Build.0 = Release|x64
{00C7B43A-DED7-4DF0-B072-9A5783EF866D}.Debug|Win32.ActiveCfg = Debug|Win32
{00C7B43A-DED7-4DF0-B072-9A5783EF866D}.Debug|Win32.Build.0 = Debug|Win32
{00C7B43A-DED7-4DF0-B072-9A5783EF866D}.Debug|x64.ActiveCfg = Debug|x64
@ -221,23 +178,71 @@ Global
{00C7B43A-DED7-4DF0-B072-9A5783EF866D}.Release|Win32.Build.0 = Release|Win32
{00C7B43A-DED7-4DF0-B072-9A5783EF866D}.Release|x64.ActiveCfg = Release|x64
{00C7B43A-DED7-4DF0-B072-9A5783EF866D}.Release|x64.Build.0 = Release|x64
{17836496-31B0-46F2-B1B1-366D7DF6F04C}.Debug|Win32.ActiveCfg = Debug|Win32
{17836496-31B0-46F2-B1B1-366D7DF6F04C}.Debug|Win32.Build.0 = Debug|Win32
{17836496-31B0-46F2-B1B1-366D7DF6F04C}.Debug|x64.ActiveCfg = Debug|x64
{17836496-31B0-46F2-B1B1-366D7DF6F04C}.Debug|x64.Build.0 = Debug|x64
{17836496-31B0-46F2-B1B1-366D7DF6F04C}.Release|Win32.ActiveCfg = Release|Win32
{17836496-31B0-46F2-B1B1-366D7DF6F04C}.Release|Win32.Build.0 = Release|Win32
{17836496-31B0-46F2-B1B1-366D7DF6F04C}.Release|x64.ActiveCfg = Release|x64
{17836496-31B0-46F2-B1B1-366D7DF6F04C}.Release|x64.Build.0 = Release|x64
{D233025A-231F-4A43-92B6-E87193C60ACC}.Debug|Win32.ActiveCfg = Debug|Win32
{D233025A-231F-4A43-92B6-E87193C60ACC}.Debug|Win32.Build.0 = Debug|Win32
{D233025A-231F-4A43-92B6-E87193C60ACC}.Debug|x64.ActiveCfg = Debug|Win32
{D233025A-231F-4A43-92B6-E87193C60ACC}.Release|Win32.ActiveCfg = Release|Win32
{D233025A-231F-4A43-92B6-E87193C60ACC}.Release|Win32.Build.0 = Release|Win32
{D233025A-231F-4A43-92B6-E87193C60ACC}.Release|x64.ActiveCfg = Release|Win32
{1133A1CC-A9E5-4026-B20D-6A2987130D4E}.Debug|Win32.ActiveCfg = Debug|Win32
{1133A1CC-A9E5-4026-B20D-6A2987130D4E}.Debug|Win32.Build.0 = Debug|Win32
{1133A1CC-A9E5-4026-B20D-6A2987130D4E}.Debug|x64.ActiveCfg = Debug|Win32
{1133A1CC-A9E5-4026-B20D-6A2987130D4E}.Release|Win32.ActiveCfg = Release|Win32
{1133A1CC-A9E5-4026-B20D-6A2987130D4E}.Release|Win32.Build.0 = Release|Win32
{1133A1CC-A9E5-4026-B20D-6A2987130D4E}.Release|x64.ActiveCfg = Release|Win32
{B685BB34-D700-4FCC-8503-9B6AA1A0C95D}.Debug|Win32.ActiveCfg = Debug|Win32
{B685BB34-D700-4FCC-8503-9B6AA1A0C95D}.Debug|Win32.Build.0 = Debug|Win32
{B685BB34-D700-4FCC-8503-9B6AA1A0C95D}.Debug|x64.ActiveCfg = Debug|Win32
{B685BB34-D700-4FCC-8503-9B6AA1A0C95D}.Release|Win32.ActiveCfg = Release|Win32
{B685BB34-D700-4FCC-8503-9B6AA1A0C95D}.Release|Win32.Build.0 = Release|Win32
{B685BB34-D700-4FCC-8503-9B6AA1A0C95D}.Release|x64.ActiveCfg = Release|Win32
{593B00E6-1987-415D-A62C-26533FC3E95C}.Debug|Win32.ActiveCfg = Debug|Win32
{593B00E6-1987-415D-A62C-26533FC3E95C}.Debug|Win32.Build.0 = Debug|Win32
{593B00E6-1987-415D-A62C-26533FC3E95C}.Debug|x64.ActiveCfg = Debug|Win32
{593B00E6-1987-415D-A62C-26533FC3E95C}.Release|Win32.ActiveCfg = Release|Win32
{593B00E6-1987-415D-A62C-26533FC3E95C}.Release|Win32.Build.0 = Release|Win32
{593B00E6-1987-415D-A62C-26533FC3E95C}.Release|x64.ActiveCfg = Release|Win32
{FEEA1071-2F0A-4436-A698-D0AF8CF79CFE}.Debug|Win32.ActiveCfg = Debug|Win32
{FEEA1071-2F0A-4436-A698-D0AF8CF79CFE}.Debug|Win32.Build.0 = Debug|Win32
{FEEA1071-2F0A-4436-A698-D0AF8CF79CFE}.Debug|x64.ActiveCfg = Debug|Win32
{FEEA1071-2F0A-4436-A698-D0AF8CF79CFE}.Release|Win32.ActiveCfg = Release|Win32
{FEEA1071-2F0A-4436-A698-D0AF8CF79CFE}.Release|Win32.Build.0 = Release|Win32
{FEEA1071-2F0A-4436-A698-D0AF8CF79CFE}.Release|x64.ActiveCfg = Release|Win32
{694F79A3-70F8-49F5-9287-8C38E1C8B6B1}.Debug|Win32.ActiveCfg = Debug|Win32
{694F79A3-70F8-49F5-9287-8C38E1C8B6B1}.Debug|Win32.Build.0 = Debug|Win32
{694F79A3-70F8-49F5-9287-8C38E1C8B6B1}.Debug|x64.ActiveCfg = Debug|Win32
{694F79A3-70F8-49F5-9287-8C38E1C8B6B1}.Release|Win32.ActiveCfg = Release|Win32
{694F79A3-70F8-49F5-9287-8C38E1C8B6B1}.Release|Win32.Build.0 = Release|Win32
{694F79A3-70F8-49F5-9287-8C38E1C8B6B1}.Release|x64.ActiveCfg = Release|Win32
{2607037A-ADEE-4C8D-9761-17E7823A9E61}.Debug|Win32.ActiveCfg = Debug|Win32
{2607037A-ADEE-4C8D-9761-17E7823A9E61}.Debug|Win32.Build.0 = Debug|Win32
{2607037A-ADEE-4C8D-9761-17E7823A9E61}.Debug|x64.ActiveCfg = Debug|Win32
{2607037A-ADEE-4C8D-9761-17E7823A9E61}.Release|Win32.ActiveCfg = Release|Win32
{2607037A-ADEE-4C8D-9761-17E7823A9E61}.Release|Win32.Build.0 = Release|Win32
{2607037A-ADEE-4C8D-9761-17E7823A9E61}.Release|x64.ActiveCfg = Release|Win32
EndGlobalSection
GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE
EndGlobalSection
GlobalSection(NestedProjects) = preSolution
{1379F817-7E3D-4F58-9C22-7E364E46E842} = {AA8F7F8E-5377-4911-859D-8A8817B0DB26}
{3326E128-33AF-422C-BB7C-67CC6B915610} = {AA8F7F8E-5377-4911-859D-8A8817B0DB26}
{4BC6906B-213E-40D7-9FC7-1A93E228393D} = {AA8F7F8E-5377-4911-859D-8A8817B0DB26}
{731BD205-2826-4631-B7AF-117658E88DBC} = {AA8F7F8E-5377-4911-859D-8A8817B0DB26}
{17836496-31B0-46F2-B1B1-366D7DF6F04C} = {AA8F7F8E-5377-4911-859D-8A8817B0DB26}
{A4D13408-A794-4199-8FC7-4A9A32505005} = {9FE699A5-41C3-4441-92AB-639B3D77DE26}
{93447136-FACD-4740-8F35-FC46FB4A9E82} = {1379F817-7E3D-4F58-9C22-7E364E46E842}
{427F1DCD-3BED-4010-9322-077A4C06D871} = {1379F817-7E3D-4F58-9C22-7E364E46E842}
{93CFEDF3-9A75-4484-B169-D9D8074F5AC2} = {1379F817-7E3D-4F58-9C22-7E364E46E842}
{05B9CB11-12D1-47CD-8E4A-88E12162119B} = {1379F817-7E3D-4F58-9C22-7E364E46E842}
{25A25249-C284-4C5A-8DC2-26FC3EB13703} = {1379F817-7E3D-4F58-9C22-7E364E46E842}
{462C2608-182F-452C-944F-AF201E19300B} = {9FE699A5-41C3-4441-92AB-639B3D77DE26}
{2DADDAA5-0F57-46ED-A974-747908DDC7F3} = {9FE699A5-41C3-4441-92AB-639B3D77DE26}
{81CE8DAF-EBB2-4761-8E45-B71ABCCA8C68} = {AA8F7F8E-5377-4911-859D-8A8817B0DB26}
{B685BB34-D700-4FCC-8503-9B6AA1A0C95D} = {0E0FCAC2-E128-4886-8EE6-1BCA84551F58}
{FEEA1071-2F0A-4436-A698-D0AF8CF79CFE} = {0E0FCAC2-E128-4886-8EE6-1BCA84551F58}
{694F79A3-70F8-49F5-9287-8C38E1C8B6B1} = {0E0FCAC2-E128-4886-8EE6-1BCA84551F58}
{2607037A-ADEE-4C8D-9761-17E7823A9E61} = {0E0FCAC2-E128-4886-8EE6-1BCA84551F58}
EndGlobalSection
EndGlobal

68
Project64.vs2008.sln
View File

@ -29,40 +29,23 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "zlib", "Source\3rdParty\zli
EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "Project64Setup", "Source\Installer\Installer.vcproj", "{360A34F3-3172-4B09-8BC9-B3FBEE677863}"
ProjectSection(ProjectDependencies) = postProject
{A4D13408-A794-4199-8FC7-4A9A32505005} = {A4D13408-A794-4199-8FC7-4A9A32505005}
{A7ED562C-63F3-4B7E-B6B3-2CF7848752E1} = {A7ED562C-63F3-4B7E-B6B3-2CF7848752E1}
{FD617E80-9E40-4138-85DA-B94633972E6A} = {FD617E80-9E40-4138-85DA-B94633972E6A}
{7E534C8E-1ACE-4A88-8807-39A11ED4DA18} = {7E534C8E-1ACE-4A88-8807-39A11ED4DA18}
EndProjectSection
EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "Glide64", "Source\Glide64\Glide64.vcproj", "{A4D13408-A794-4199-8FC7-4A9A32505005}"
ProjectSection(ProjectDependencies) = postProject
{462C2608-182F-452C-944F-AF201E19300B} = {462C2608-182F-452C-944F-AF201E19300B}
{05B9CB11-12D1-47CD-8E4A-88E12162119B} = {05B9CB11-12D1-47CD-8E4A-88E12162119B}
{93447136-FACD-4740-8F35-FC46FB4A9E82} = {93447136-FACD-4740-8F35-FC46FB4A9E82}
{25A25249-C284-4C5A-8DC2-26FC3EB13703} = {25A25249-C284-4C5A-8DC2-26FC3EB13703}
{B4A4B994-9111-42B1-93C2-6F1CA8BC4421} = {B4A4B994-9111-42B1-93C2-6F1CA8BC4421}
{51A84197-56BA-4017-9C0C-43E7F285184A} = {51A84197-56BA-4017-9C0C-43E7F285184A}
{2DADDAA5-0F57-46ED-A974-747908DDC7F3} = {2DADDAA5-0F57-46ED-A974-747908DDC7F3}
{81CE8DAF-EBB2-4761-8E45-B71ABCCA8C68} = {81CE8DAF-EBB2-4761-8E45-B71ABCCA8C68}
{8B9961B1-88D9-4EA3-A752-507A00DD9F3D} = {8B9961B1-88D9-4EA3-A752-507A00DD9F3D}
{427F1DCD-3BED-4010-9322-077A4C06D871} = {427F1DCD-3BED-4010-9322-077A4C06D871}
{93CFEDF3-9A75-4484-B169-D9D8074F5AC2} = {93CFEDF3-9A75-4484-B169-D9D8074F5AC2}
EndProjectSection
EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "core", "Source\3rdParty\wx\wx_core.vcproj", "{93447136-FACD-4740-8F35-FC46FB4A9E82}"
EndProject
Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "3rdParty", "3rdParty", "{AA8F7F8E-5377-4911-859D-8A8817B0DB26}"
EndProject
Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "wxWidgets", "wxWidgets", "{1379F817-7E3D-4F58-9C22-7E364E46E842}"
EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "base", "Source\3rdParty\wx\wx_base.vcproj", "{427F1DCD-3BED-4010-9322-077A4C06D871}"
ProjectSection(ProjectDependencies) = postProject
{93447136-FACD-4740-8F35-FC46FB4A9E82} = {93447136-FACD-4740-8F35-FC46FB4A9E82}
EndProjectSection
EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "wxjpeg", "Source\3rdParty\wx\wx_wxjpeg.vcproj", "{93CFEDF3-9A75-4484-B169-D9D8074F5AC2}"
EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "wxpng", "Source\3rdParty\wx\wx_wxpng.vcproj", "{05B9CB11-12D1-47CD-8E4A-88E12162119B}"
EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "wxzlib", "Source\3rdParty\wx\wx_wxzlib.vcproj", "{25A25249-C284-4C5A-8DC2-26FC3EB13703}"
EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "Glitch64", "Source\Glitch64\Glitch64.vcproj", "{462C2608-182F-452C-944F-AF201E19300B}"
EndProject
Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Glide", "Glide", "{9FE699A5-41C3-4441-92AB-639B3D77DE26}"
@ -81,10 +64,13 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "SortRdb", "Source\SortRdb\S
EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "PJ64 NRage", "Source\nragev20\NRage_Input_V2.vcproj", "{FD617E80-9E40-4138-85DA-B94633972E6A}"
EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "SDL2", "Source\3rdParty\sdl\sdl2.vcproj", "{81CE8DAF-EBB2-4761-8E45-B71ABCCA8C68}"
EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "Project64-core", "Source\Project64-core\Project64-core.vcproj", "{00C7B43A-DED7-4DF0-B072-9A5783EF866D}"
EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "png", "Source\3rdParty\png\png.vcproj", "{51A84197-56BA-4017-9C0C-43E7F285184A}"
ProjectSection(ProjectDependencies) = postProject
{731BD205-2826-4631-B7AF-117658E88DBC} = {731BD205-2826-4631-B7AF-117658E88DBC}
EndProjectSection
EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|Win32 = Debug|Win32
@ -126,26 +112,6 @@ Global
{A4D13408-A794-4199-8FC7-4A9A32505005}.Debug|Win32.Build.0 = Debug|Win32
{A4D13408-A794-4199-8FC7-4A9A32505005}.Release|Win32.ActiveCfg = Release|Win32
{A4D13408-A794-4199-8FC7-4A9A32505005}.Release|Win32.Build.0 = Release|Win32
{93447136-FACD-4740-8F35-FC46FB4A9E82}.Debug|Win32.ActiveCfg = Debug|Win32
{93447136-FACD-4740-8F35-FC46FB4A9E82}.Debug|Win32.Build.0 = Debug|Win32
{93447136-FACD-4740-8F35-FC46FB4A9E82}.Release|Win32.ActiveCfg = Release|Win32
{93447136-FACD-4740-8F35-FC46FB4A9E82}.Release|Win32.Build.0 = Release|Win32
{427F1DCD-3BED-4010-9322-077A4C06D871}.Debug|Win32.ActiveCfg = Debug|Win32
{427F1DCD-3BED-4010-9322-077A4C06D871}.Debug|Win32.Build.0 = Debug|Win32
{427F1DCD-3BED-4010-9322-077A4C06D871}.Release|Win32.ActiveCfg = Release|Win32
{427F1DCD-3BED-4010-9322-077A4C06D871}.Release|Win32.Build.0 = Release|Win32
{93CFEDF3-9A75-4484-B169-D9D8074F5AC2}.Debug|Win32.ActiveCfg = Debug|Win32
{93CFEDF3-9A75-4484-B169-D9D8074F5AC2}.Debug|Win32.Build.0 = Debug|Win32
{93CFEDF3-9A75-4484-B169-D9D8074F5AC2}.Release|Win32.ActiveCfg = Release|Win32
{93CFEDF3-9A75-4484-B169-D9D8074F5AC2}.Release|Win32.Build.0 = Release|Win32
{05B9CB11-12D1-47CD-8E4A-88E12162119B}.Debug|Win32.ActiveCfg = Debug|Win32
{05B9CB11-12D1-47CD-8E4A-88E12162119B}.Debug|Win32.Build.0 = Debug|Win32
{05B9CB11-12D1-47CD-8E4A-88E12162119B}.Release|Win32.ActiveCfg = Release|Win32
{05B9CB11-12D1-47CD-8E4A-88E12162119B}.Release|Win32.Build.0 = Release|Win32
{25A25249-C284-4C5A-8DC2-26FC3EB13703}.Debug|Win32.ActiveCfg = Debug|Win32
{25A25249-C284-4C5A-8DC2-26FC3EB13703}.Debug|Win32.Build.0 = Debug|Win32
{25A25249-C284-4C5A-8DC2-26FC3EB13703}.Release|Win32.ActiveCfg = Release|Win32
{25A25249-C284-4C5A-8DC2-26FC3EB13703}.Release|Win32.Build.0 = Release|Win32
{462C2608-182F-452C-944F-AF201E19300B}.Debug|Win32.ActiveCfg = Debug|Win32
{462C2608-182F-452C-944F-AF201E19300B}.Debug|Win32.Build.0 = Debug|Win32
{462C2608-182F-452C-944F-AF201E19300B}.Release|Win32.ActiveCfg = Release|Win32
@ -162,14 +128,14 @@ Global
{FD617E80-9E40-4138-85DA-B94633972E6A}.Debug|Win32.Build.0 = Debug|Win32
{FD617E80-9E40-4138-85DA-B94633972E6A}.Release|Win32.ActiveCfg = Release|Win32
{FD617E80-9E40-4138-85DA-B94633972E6A}.Release|Win32.Build.0 = Release|Win32
{81CE8DAF-EBB2-4761-8E45-B71ABCCA8C68}.Debug|Win32.ActiveCfg = Debug|Win32
{81CE8DAF-EBB2-4761-8E45-B71ABCCA8C68}.Debug|Win32.Build.0 = Debug|Win32
{81CE8DAF-EBB2-4761-8E45-B71ABCCA8C68}.Release|Win32.ActiveCfg = Release|Win32
{81CE8DAF-EBB2-4761-8E45-B71ABCCA8C68}.Release|Win32.Build.0 = Release|Win32
{00C7B43A-DED7-4DF0-B072-9A5783EF866D}.Debug|Win32.ActiveCfg = Debug|Win32
{00C7B43A-DED7-4DF0-B072-9A5783EF866D}.Debug|Win32.Build.0 = Debug|Win32
{00C7B43A-DED7-4DF0-B072-9A5783EF866D}.Release|Win32.ActiveCfg = Release|Win32
{00C7B43A-DED7-4DF0-B072-9A5783EF866D}.Release|Win32.Build.0 = Release|Win32
{51A84197-56BA-4017-9C0C-43E7F285184A}.Debug|Win32.ActiveCfg = Debug|Win32
{51A84197-56BA-4017-9C0C-43E7F285184A}.Debug|Win32.Build.0 = Debug|Win32
{51A84197-56BA-4017-9C0C-43E7F285184A}.Release|Win32.ActiveCfg = Release|Win32
{51A84197-56BA-4017-9C0C-43E7F285184A}.Release|Win32.Build.0 = Release|Win32
EndGlobalSection
GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE
@ -177,17 +143,11 @@ Global
GlobalSection(NestedProjects) = preSolution
{4BC6906B-213E-40D7-9FC7-1A93E228393D} = {AA8F7F8E-5377-4911-859D-8A8817B0DB26}
{731BD205-2826-4631-B7AF-117658E88DBC} = {AA8F7F8E-5377-4911-859D-8A8817B0DB26}
{1379F817-7E3D-4F58-9C22-7E364E46E842} = {AA8F7F8E-5377-4911-859D-8A8817B0DB26}
{3326E128-33AF-422C-BB7C-67CC6B915610} = {AA8F7F8E-5377-4911-859D-8A8817B0DB26}
{81CE8DAF-EBB2-4761-8E45-B71ABCCA8C68} = {AA8F7F8E-5377-4911-859D-8A8817B0DB26}
{51A84197-56BA-4017-9C0C-43E7F285184A} = {AA8F7F8E-5377-4911-859D-8A8817B0DB26}
{462C2608-182F-452C-944F-AF201E19300B} = {9FE699A5-41C3-4441-92AB-639B3D77DE26}
{A4D13408-A794-4199-8FC7-4A9A32505005} = {9FE699A5-41C3-4441-92AB-639B3D77DE26}
{2DADDAA5-0F57-46ED-A974-747908DDC7F3} = {9FE699A5-41C3-4441-92AB-639B3D77DE26}
{93447136-FACD-4740-8F35-FC46FB4A9E82} = {1379F817-7E3D-4F58-9C22-7E364E46E842}
{427F1DCD-3BED-4010-9322-077A4C06D871} = {1379F817-7E3D-4F58-9C22-7E364E46E842}
{93CFEDF3-9A75-4484-B169-D9D8074F5AC2} = {1379F817-7E3D-4F58-9C22-7E364E46E842}
{05B9CB11-12D1-47CD-8E4A-88E12162119B} = {1379F817-7E3D-4F58-9C22-7E364E46E842}
{25A25249-C284-4C5A-8DC2-26FC3EB13703} = {1379F817-7E3D-4F58-9C22-7E364E46E842}
{5788717F-E3D4-40CF-9637-3A2AEE85BB81} = {3768C4C9-9E32-4EA6-99FD-FCE72C34B27F}
EndGlobalSection
EndGlobal

2
PropertySheets/Debug.props
View File

@ -11,7 +11,7 @@
<EnableFiberSafeOptimizations>false</EnableFiberSafeOptimizations>
<WholeProgramOptimization>false</WholeProgramOptimization>
<BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
<SmallerTypeCheck>true</SmallerTypeCheck>
<SmallerTypeCheck Condition="'$(PlatformToolsetVersion)'&lt;140">true</SmallerTypeCheck>
<RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
</ClCompile>
<Midl>

5
PropertySheets/Platform.props
View File

@ -52,7 +52,7 @@
<OutputFile>$(OutDir)$(ProjectName).bsc</OutputFile>
</Bscmake>
<ClCompile>
<AdditionalIncludeDirectories>.\;..\;..\3rdParty;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
<AdditionalIncludeDirectories>.\;$(SolutionDir)\Source;$(SolutionDir)\Source\3rdParty;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
<PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<IgnoreStandardIncludePath>false</IgnoreStandardIncludePath>
<PreprocessToFile>false</PreprocessToFile>
@ -62,12 +62,11 @@
<MinimalRebuild>true</MinimalRebuild>
<ExceptionHandling>Async</ExceptionHandling>
<BasicRuntimeChecks>Default</BasicRuntimeChecks>
<SmallerTypeCheck>false</SmallerTypeCheck>
<StructMemberAlignment>Default</StructMemberAlignment>
<BufferSecurityCheck>false</BufferSecurityCheck>
<FunctionLevelLinking>true</FunctionLevelLinking>
<EnableEnhancedInstructionSet Condition="'$(Platform)'=='Win32'">NoExtensions</EnableEnhancedInstructionSet>
<EnableEnhancedInstructionSet Condition="'$(Platform)'=='Win32' AND ('$(PlatformToolset)'=='v90' OR '$(PlatformToolset)'=='v100')">NotSet</EnableEnhancedInstructionSet>
<EnableEnhancedInstructionSet Condition="'$(Platform)'=='Win32' AND $(PlatformToolsetVersion)&lt;110">NotSet</EnableEnhancedInstructionSet>
<FloatingPointModel>Precise</FloatingPointModel>
<FloatingPointExceptions>false</FloatingPointExceptions>
<DisableLanguageExtensions>false</DisableLanguageExtensions>

3
PropertySheets/Release.props
View File

@ -2,6 +2,7 @@
<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<ItemDefinitionGroup>
<ClCompile>
<PreprocessorDefinitions>NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<Optimization>MinSpace</Optimization>
<InlineFunctionExpansion>Default</InlineFunctionExpansion>
<IntrinsicFunctions>false</IntrinsicFunctions>
@ -9,8 +10,6 @@
<OmitFramePointers>false</OmitFramePointers>
<EnableFiberSafeOptimizations>false</EnableFiberSafeOptimizations>
<WholeProgramOptimization>false</WholeProgramOptimization>
<PreprocessorDefinitions>NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<SmallerTypeCheck>false</SmallerTypeCheck>
<RuntimeLibrary>MultiThreaded</RuntimeLibrary>
</ClCompile>
<Midl>

35
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@ -0,0 +1,35 @@
Libpng 1.4.7 - April 10, 2011
This is a public release of libpng, intended for use in production codes.
Files available for download:
Source files with LF line endings (for Unix/Linux) and with a
"configure" script
libpng-1.4.7.tar.xz (LZMA-compressed, recommended)
libpng-1.4.7.tar.gz
libpng-1.4.7.tar.bz2
Source files with CRLF line endings (for Windows), without the
"configure" script
lpng147.7z (LZMA-compressed, recommended)
lpng147.zip
Other information:
libpng-1.4.7-README.txt
libpng-1.4.7-LICENSE.txt
Changes since the last public release (1.4.6):
Relocated misplaced new declarations in pngwutil.c.
Disabled PNG_PEDANTIC_WARNINGS for all MSC versions as in libpng-1.4.5.
Send comments/corrections/commendations to glennrp at users.sourceforge.net
or to png-mng-implement at lists.sf.net (subscription required; visit
https://lists.sourceforge.net/lists/listinfo/png-mng-implement).
Glenn R-P

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Source/3rdParty/wx/src/png/CHANGES → Source/3rdParty/png/CHANGES vendored
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cmake_minimum_required(VERSION 2.4.4)
set(CMAKE_ALLOW_LOOSE_LOOP_CONSTRUCTS true)
if(UNIX AND NOT DEFINED CMAKE_BUILD_TYPE)
if(CMAKE_MAJOR_VERSION EQUAL 2 AND CMAKE_MINOR_VERSION EQUAL 4)
# workaround CMake 2.4.x bug
set(CMAKE_BUILD_TYPE "RelWithDebInfo" CACHE STRING
"Choose the type of build, options are:
None(CMAKE_CXX_FLAGS or CMAKE_C_FLAGS used)
Debug
Release
RelWithDebInfo
MinSizeRel.")
else()
set(CMAKE_BUILD_TYPE "RelWithDebInfo" CACHE STRING
"Choose the type of build, options are:
None(CMAKE_CXX_FLAGS or CMAKE_C_FLAGS used)
Debug
Release
RelWithDebInfo
MinSizeRel.")
endif()
endif()
project(libpng C)
enable_testing()
# Copyright (C) 2007-2010 Glenn Randers-Pehrson
# This code is released under the libpng license.
# For conditions of distribution and use, see the disclaimer
# and license in png.h
set(PNGLIB_MAJOR 1)
set(PNGLIB_MINOR 4)
set(PNGLIB_RELEASE 7)
set(PNGLIB_NAME libpng${PNGLIB_MAJOR}${PNGLIB_MINOR})
set(PNGLIB_VERSION ${PNGLIB_MAJOR}.${PNGLIB_MINOR}.${PNGLIB_RELEASE})
# needed packages
find_package(ZLIB REQUIRED)
include_directories(${ZLIB_INCLUDE_DIR})
if(NOT WIN32)
find_library(M_LIBRARY
NAMES m
PATHS /usr/lib /usr/local/lib
)
if(NOT M_LIBRARY)
message(STATUS
"math library 'libm' not found - floating point support disabled")
endif()
else()
# not needed on windows
set(M_LIBRARY "")
endif()
# COMMAND LINE OPTIONS
if(DEFINED PNG_SHARED)
option(PNG_SHARED "Build shared lib" ${PNG_SHARED})
else()
option(PNG_SHARED "Build shared lib" ON)
endif()
if(DEFINED PNG_STATIC)
option(PNG_STATIC "Build static lib" ${PNG_STATIC})
else()
option(PNG_STATIC "Build static lib" ON)
endif()
if(MINGW)
option(PNG_TESTS "Build pngtest" NO)
else()
option(PNG_TESTS "Build pngtest" YES)
endif()
option(PNG_NO_CONSOLE_IO "FIXME" YES)
option(PNG_NO_STDIO "FIXME" YES)
option(PNG_DEBUG "Build with debug output" NO)
option(PNGARG "FIXME" YES)
#TODO:
# PNG_CONSOLE_IO_SUPPORTED
# maybe needs improving, but currently I don't know when we can enable what :)
set(png_asm_tmp "OFF")
if(NOT WIN32)
find_program(uname_executable NAMES uname PATHS /bin /usr/bin /usr/local/bin)
if(uname_executable)
exec_program(${uname_executable}
ARGS --machine OUTPUT_VARIABLE uname_output)
if("uname_output" MATCHES "^.*i[1-9]86.*$")
set(png_asm_tmp "ON")
else("uname_output" MATCHES "^.*i[1-9]86.*$")
set(png_asm_tmp "OFF")
endif("uname_output" MATCHES "^.*i[1-9]86.*$")
endif(uname_executable)
else()
# this env var is normally only set on win64
set(TEXT "ProgramFiles(x86)")
if("$ENV{${TEXT}}" STREQUAL "")
set(png_asm_tmp "ON")
endif("$ENV{${TEXT}}" STREQUAL "")
endif()
# SET LIBNAME
set(PNG_LIB_NAME png${PNGLIB_MAJOR}${PNGLIB_MINOR})
# to distinguish between debug and release lib
set(CMAKE_DEBUG_POSTFIX "d")
# OUR SOURCES
set(libpng_public_hdrs
png.h
pngconf.h
)
set(libpng_sources
${libpng_public_hdrs}
pngpriv.h
png.c
pngerror.c
pngget.c
pngmem.c
pngpread.c
pngread.c
pngrio.c
pngrtran.c
pngrutil.c
pngset.c
pngtrans.c
pngwio.c
pngwrite.c
pngwtran.c
pngwutil.c
)
set(pngtest_sources
pngtest.c
)
# SOME NEEDED DEFINITIONS
add_definitions(-DPNG_CONFIGURE_LIBPNG)
if(_AIX)
add_definitions(-D_ALL_SOURCE)
endif(_AIX)
if(MSVC)
add_definitions(-DPNG_NO_MODULEDEF -D_CRT_SECURE_NO_DEPRECATE)
endif(MSVC)
if(PNG_SHARED OR NOT MSVC)
#if building msvc static this has NOT to be defined
add_definitions(-DZLIB_DLL)
endif()
if(PNG_CONSOLE_IO_SUPPORTED)
add_definitions(-DPNG_CONSOLE_IO_SUPPORTED)
endif()
if(PNG_NO_CONSOLE_IO)
add_definitions(-DPNG_NO_CONSOLE_IO)
endif()
if(PNG_NO_STDIO)
add_definitions(-DPNG_NO_STDIO)
endif()
if(PNG_DEBUG)
add_definitions(-DPNG_DEBUG)
endif()
if(NOT M_LIBRARY AND NOT WIN32)
add_definitions(-DPNG_NO_FLOATING_POINT_SUPPORTED)
endif()
# NOW BUILD OUR TARGET
include_directories(${CMAKE_CURRENT_SOURCE_DIR} ${ZLIB_INCLUDE_DIR})
if(PNG_SHARED)
add_library(${PNG_LIB_NAME} SHARED ${libpng_sources})
if(MSVC)
# msvc does not append 'lib' - do it here to have consistent name
set_target_properties(${PNG_LIB_NAME} PROPERTIES PREFIX "lib")
set_target_properties(${PNG_LIB_NAME} PROPERTIES IMPORT_PREFIX "lib")
endif()
target_link_libraries(${PNG_LIB_NAME} ${ZLIB_LIBRARY} ${M_LIBRARY})
endif()
if(PNG_STATIC)
# does not work without changing name
set(PNG_LIB_NAME_STATIC ${PNG_LIB_NAME}_static)
add_library(${PNG_LIB_NAME_STATIC} STATIC ${libpng_sources})
if(MSVC)
# msvc does not append 'lib' - do it here to have consistent name
set_target_properties(${PNG_LIB_NAME_STATIC} PROPERTIES PREFIX "lib")
endif()
target_link_libraries(${PNG_LIB_NAME_STATIC} ${ZLIB_LIBRARY} ${M_LIBRARY})
endif()
if(PNG_SHARED AND WIN32)
set_target_properties(${PNG_LIB_NAME} PROPERTIES DEFINE_SYMBOL PNG_BUILD_DLL)
endif()
if(PNG_TESTS AND PNG_SHARED)
# does not work with msvc due to png_lib_ver issue
add_executable(pngtest ${pngtest_sources})
target_link_libraries(pngtest ${PNG_LIB_NAME})
add_test(pngtest ./pngtest ${CMAKE_CURRENT_SOURCE_DIR}/pngtest.png)
endif()
#
# Set a variable with CMake code which:
# Creates a symlink from src to dest (if possible) or alternatively
# copies if different.
macro(_png_generate_symlink_code CODE SRC DEST)
if(WIN32 AND NOT CYGWIN)
set(_png_gsc_message "Copying ${SRC} to ${DEST} if needed")
set(_png_gsc_operation "copy_if_different")
else()
set(_png_gsc_message "Symlinking ${SRC} to ${DEST}")
set(_png_gsc_operation "create_symlink")
endif()
set(${CODE} "
message(STATUS \"${_png_gsc_message}\")
execute_process(COMMAND \${CMAKE_COMMAND} -E ${_png_gsc_operation}
\"${SRC}\" \"${DEST}\")
")
endmacro()
# CREATE PKGCONFIG FILES
# we use the same files like ./configure, so we have to set its vars
if(NOT DEFINED CMAKE_INSTALL_LIBDIR)
set(CMAKE_INSTALL_LIBDIR lib)
endif(NOT DEFINED CMAKE_INSTALL_LIBDIR)
set(prefix ${CMAKE_INSTALL_PREFIX})
set(exec_prefix ${CMAKE_INSTALL_PREFIX})
set(libdir ${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LIBDIR})
set(includedir ${CMAKE_INSTALL_PREFIX}/include)
set(LIBS "-lz -lm")
configure_file(${CMAKE_CURRENT_SOURCE_DIR}/libpng.pc.in
${CMAKE_CURRENT_BINARY_DIR}/${PNGLIB_NAME}.pc @ONLY)
_png_generate_symlink_code(PNG_PC_INSTALL_CODE
${CMAKE_CURRENT_BINARY_DIR}/${PNGLIB_NAME}.pc
${CMAKE_CURRENT_BINARY_DIR}/libpng.pc)
install(CODE ${PNG_PC_INSTALL_CODE})
configure_file(${CMAKE_CURRENT_SOURCE_DIR}/libpng-config.in
${CMAKE_CURRENT_BINARY_DIR}/${PNGLIB_NAME}-config @ONLY)
_png_generate_symlink_code(PNG_CONFIG_INSTALL_CODE
${CMAKE_CURRENT_BINARY_DIR}/${PNGLIB_NAME}-config
${CMAKE_CURRENT_BINARY_DIR}/libpng-config)
install(CODE ${PNG_CONFIG_INSTALL_CODE})
# SET UP LINKS
if(PNG_SHARED)
set_target_properties(${PNG_LIB_NAME} PROPERTIES
# VERSION 14.${PNGLIB_RELEASE}.1.4.7
VERSION 14.${PNGLIB_RELEASE}.0
SOVERSION 14
CLEAN_DIRECT_OUTPUT 1)
endif()
if(PNG_STATIC)
# MSVC doesn't use a different file extension for shared vs. static
# libs. We are able to change OUTPUT_NAME to remove the _static
# for all other platforms.
if(NOT MSVC)
set_target_properties(${PNG_LIB_NAME_STATIC} PROPERTIES
OUTPUT_NAME ${PNG_LIB_NAME}
CLEAN_DIRECT_OUTPUT 1)
endif()
endif()
# If CMake > 2.4.x, we set a variable used below to export
# targets to an export file.
# TODO: Use VERSION_GREATER after our cmake_minimum_required >= 2.6.2
if(CMAKE_MAJOR_VERSION GREATER 1 AND CMAKE_MINOR_VERSION GREATER 4)
set(PNG_EXPORT_RULE EXPORT libpng)
elseif(CMAKE_MAJOR_VERSION GREATER 2) # future proof
set(PNG_EXPORT_RULE EXPORT libpng)
endif()
# INSTALL
if(NOT SKIP_INSTALL_LIBRARIES AND NOT SKIP_INSTALL_ALL )
if(PNG_SHARED)
install(TARGETS ${PNG_LIB_NAME}
${PNG_EXPORT_RULE}
RUNTIME DESTINATION bin
LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR})
# Create a symlink for libpng.dll.a => libpng14.dll.a on Cygwin
if(CYGWIN)
_png_generate_symlink_code(PNG_SHARED_IMPLIB_INSTALL_CODE
${PNGLIB_NAME}${CMAKE_IMPORT_LIBRARY_SUFFIX}
libpng${CMAKE_IMPORT_LIBRARY_SUFFIX})
install(CODE ${PNG_SHARED_IMPLIB_INSTALL_CODE})
install(FILES
${CMAKE_CURRENT_BINARY_DIR}/libpng${CMAKE_IMPORT_LIBRARY_SUFFIX}
DESTINATION ${CMAKE_INSTALL_LIBDIR})
endif()
if(NOT WIN32)
IF(CMAKE_LIBRARY_OUTPUT_DIRECTORY)
_png_generate_symlink_code(PNG_SHARED_INSTALL_CODE
${CMAKE_LIBRARY_OUTPUT_DIRECTORY}/${PNGLIB_NAME}${CMAKE_SHARED_LIBRARY_SUFFIX}
${CMAKE_LIBRARY_OUTPUT_DIRECTORY}/libpng${CMAKE_SHARED_LIBRARY_SUFFIX})
install(CODE ${PNG_SHARED_INSTALL_CODE})
install(FILES
${CMAKE_LIBRARY_OUTPUT_DIRECTORY}/libpng${CMAKE_SHARED_LIBRARY_SUFFIX}
DESTINATION ${CMAKE_INSTALL_LIBDIR})
ELSE(CMAKE_LIBRARY_OUTPUT_DIRECTORY)
_png_generate_symlink_code(PNG_SHARED_INSTALL_CODE
${PNGLIB_NAME}${CMAKE_SHARED_LIBRARY_SUFFIX}
libpng${CMAKE_SHARED_LIBRARY_SUFFIX})
install(CODE ${PNG_SHARED_INSTALL_CODE})
install(FILES
${CMAKE_CURRENT_BINARY_DIR}/libpng${CMAKE_SHARED_LIBRARY_SUFFIX}
DESTINATION ${CMAKE_INSTALL_LIBDIR})
ENDIF(CMAKE_LIBRARY_OUTPUT_DIRECTORY)
endif()
endif()
if(PNG_STATIC)
install(TARGETS ${PNG_LIB_NAME_STATIC}
${PNG_EXPORT_RULE}
LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR})
if(NOT WIN32 OR CYGWIN)
IF(CMAKE_ARCHIVE_OUTPUT_DIRECTORY)
_png_generate_symlink_code(PNG_STATIC_INSTALL_CODE
${CMAKE_ARCHIVE_OUTPUT_DIRECTORY}/${PNGLIB_NAME}${CMAKE_STATIC_LIBRARY_SUFFIX}
${CMAKE_ARCHIVE_OUTPUT_DIRECTORY}/libpng${CMAKE_STATIC_LIBRARY_SUFFIX})
install(CODE ${PNG_STATIC_INSTALL_CODE})
install(FILES
${CMAKE_ARCHIVE_OUTPUT_DIRECTORY}/libpng${CMAKE_STATIC_LIBRARY_SUFFIX}
DESTINATION ${CMAKE_INSTALL_LIBDIR})
ELSE(CMAKE_ARCHIVE_OUTPUT_DIRECTORY)
_png_generate_symlink_code(PNG_STATIC_INSTALL_CODE
${PNGLIB_NAME}${CMAKE_STATIC_LIBRARY_SUFFIX}
libpng${CMAKE_STATIC_LIBRARY_SUFFIX})
install(CODE ${PNG_STATIC_INSTALL_CODE})
install(FILES
${CMAKE_CURRENT_BINARY_DIR}/libpng${CMAKE_STATIC_LIBRARY_SUFFIX}
DESTINATION ${CMAKE_INSTALL_LIBDIR})
ENDIF(CMAKE_ARCHIVE_OUTPUT_DIRECTORY)
endif()
endif()
endif()
if(NOT SKIP_INSTALL_HEADERS AND NOT SKIP_INSTALL_ALL )
install(FILES ${libpng_public_hdrs} DESTINATION include)
install(FILES ${libpng_public_hdrs} DESTINATION include/${PNGLIB_NAME})
endif()
if(NOT SKIP_INSTALL_EXECUTABLES AND NOT SKIP_INSTALL_ALL )
install(PROGRAMS ${CMAKE_CURRENT_BINARY_DIR}/libpng-config DESTINATION bin)
install(PROGRAMS ${CMAKE_CURRENT_BINARY_DIR}/${PNGLIB_NAME}-config
DESTINATION bin)
endif()
if(NOT SKIP_INSTALL_FILES AND NOT SKIP_INSTALL_ALL )
# Install man pages
if(NOT PNG_MAN_DIR)
set(PNG_MAN_DIR "share/man")
endif()
install(FILES libpng.3 libpngpf.3 DESTINATION ${PNG_MAN_DIR}/man3)
install(FILES png.5 DESTINATION ${PNG_MAN_DIR}/man5)
# Install pkg-config files
install(FILES ${CMAKE_CURRENT_BINARY_DIR}/libpng.pc
DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig)
install(PROGRAMS ${CMAKE_CURRENT_BINARY_DIR}/libpng-config
DESTINATION bin)
install(FILES ${CMAKE_CURRENT_BINARY_DIR}/${PNGLIB_NAME}.pc
DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig)
install(PROGRAMS ${CMAKE_CURRENT_BINARY_DIR}/${PNGLIB_NAME}-config
DESTINATION bin)
endif()
# On versions of CMake that support it, create an export file CMake
# users can include() to import our targets
if(PNG_EXPORT_RULE AND NOT SKIP_INSTALL_EXPORT AND NOT SKIP_INSTALL_ALL )
install(EXPORT libpng DESTINATION lib/libpng FILE lib${PNG_LIB_NAME}.cmake)
endif()
# what's with libpng-manual.txt and all the extra files?
# UNINSTALL
# do we need this?
# DIST
# do we need this?
# to create msvc import lib for mingw compiled shared lib
# pexports libpng.dll > libpng.def
# lib /def:libpng.def /machine:x86

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Installing libpng version 1.4.7 - April 10, 2011
On Unix/Linux and similar systems, you can simply type
./configure [--prefix=/path]
make check
make install
and ignore the rest of this document.
If configure does not work on your system and you have a reasonably
up-to-date set of tools, running ./autogen.sh before running ./configure
may fix the problem. You can also run the individual commands in
autogen.sh with the --force option, if supported by your version of
the tools. If you run 'libtoolize --force', though, this will replace
the distributed, patched, version of ltmain.sh with an unpatched version
and your shared library builds may fail to produce libraries with the
correct version numbers.
Instead, you can use one of the custom-built makefiles in the
"scripts" directory
cp scripts/makefile.system makefile
make test
make install
The files that are presently available in the scripts directory
are listed and described in scripts/README.txt.
Or you can use one of the "projects" in the "projects" directory.
Before installing libpng, you must first install zlib, if it
is not already on your system. zlib can usually be found
wherever you got libpng. zlib can be placed in another directory,
at the same level as libpng.
If you want to use "cmake" (see www.cmake.org), type
cmake . -DCMAKE_INSTALL_PREFIX=/path
make
make install
If your system already has a preinstalled zlib you will still need
to have access to the zlib.h and zconf.h include files that
correspond to the version of zlib that's installed.
You can rename the directories that you downloaded (they
might be called "libpng-1.4.7" or "libpng14" and "zlib-1.2.3"
or "zlib123") so that you have directories called "zlib" and "libpng".
Your directory structure should look like this:
.. (the parent directory)
libpng (this directory)
INSTALL (this file)
README
*.h
*.c
CMakeLists.txt => "cmake" script
configuration files:
configure.ac, configure, Makefile.am, Makefile.in,
autogen.sh, config.guess, ltmain.sh, missing, libpng.pc.in,
libpng-config.in, aclocal.m4, config.h.in, config.sub,
depcomp, install-sh, test-pngtest.sh
contrib
gregbook
pngminim
pngminus
pngsuite
visupng
projects
cbuilder5 (Borland)
visualc6 (msvc)
visualc71
vstudio
xcode
scripts
makefile.*
*.def (module definition files)
pngtest.png
etc.
zlib
README
*.h
*.c
contrib
etc.
If the line endings in the files look funny, you may wish to get the other
distribution of libpng. It is available in both tar.gz (UNIX style line
endings) and zip (DOS style line endings) formats.
If you are building libpng with MSVC, you can enter the
libpng projects\visualc6 or visualc71 directory and follow the instructions
in README.txt.
Otherwise enter the zlib directory and follow the instructions in zlib/README,
then come back here and run "configure" or choose the appropriate
makefile.sys in the scripts directory.
Copy the file (or files) that you need from the
scripts directory into this directory, for example
MSDOS example: copy scripts\makefile.msc makefile
UNIX example: cp scripts/makefile.std makefile
Read the makefile to see if you need to change any source or
target directories to match your preferences.
Then read pngconf.h to see if you want to make any configuration
changes.
Then just run "make" which will create the libpng library in
this directory and "make test" which will run a quick test that reads
the "pngtest.png" file and writes a "pngout.png" file that should be
identical to it. Look for "9782 zero samples" in the output of the
test. For more confidence, you can run another test by typing
"pngtest pngnow.png" and looking for "289 zero samples" in the output.
Also, you can run "pngtest -m contrib/pngsuite/*.png" and compare
your output with the result shown in contrib/pngsuite/README.
Most of the makefiles will allow you to run "make install" to
put the library in its final resting place (if you want to
do that, run "make install" in the zlib directory first if necessary).
Some also allow you to run "make test-installed" after you have
run "make install".
If you encounter a compiler error message complaining about the
lines
__png.h__ already includes setjmp.h;
__dont__ include it again.;
this means you have compiled another module that includes setjmp.h,
which is hazardous because the two modules might not include exactly
the same setjmp.h. If you are sure that you know what you are doing
and that they are exactly the same, then you can comment out or
delete the two lines. Better yet, use the cexcept interface
instead, as demonstrated in contrib/visupng of the libpng distribution.
Further information can be found in the README and libpng.txt
files, in the individual makefiles, in png.h, and the manual pages
libpng.3 and png.5.

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This copy of the libpng notices is provided for your convenience. In case of
any discrepancy between this copy and the notices in the file png.h that is
included in the libpng distribution, the latter shall prevail.
COPYRIGHT NOTICE, DISCLAIMER, and LICENSE:
If you modify libpng you may insert additional notices immediately following
this sentence.
This code is released under the libpng license.
libpng versions 1.2.6, August 15, 2004, through 1.4.7, April 10, 2011, are
Copyright (c) 2004, 2006-2010 Glenn Randers-Pehrson, and are
distributed according to the same disclaimer and license as libpng-1.2.5
with the following individual added to the list of Contributing Authors
Cosmin Truta
libpng versions 1.0.7, July 1, 2000, through 1.2.5 - October 3, 2002, are
Copyright (c) 2000-2002 Glenn Randers-Pehrson, and are
distributed according to the same disclaimer and license as libpng-1.0.6
with the following individuals added to the list of Contributing Authors
Simon-Pierre Cadieux
Eric S. Raymond
Gilles Vollant
and with the following additions to the disclaimer:
There is no warranty against interference with your enjoyment of the
library or against infringement. There is no warranty that our
efforts or the library will fulfill any of your particular purposes
or needs. This library is provided with all faults, and the entire
risk of satisfactory quality, performance, accuracy, and effort is with
the user.
libpng versions 0.97, January 1998, through 1.0.6, March 20, 2000, are
Copyright (c) 1998, 1999 Glenn Randers-Pehrson, and are
distributed according to the same disclaimer and license as libpng-0.96,
with the following individuals added to the list of Contributing Authors:
Tom Lane
Glenn Randers-Pehrson
Willem van Schaik
libpng versions 0.89, June 1996, through 0.96, May 1997, are
Copyright (c) 1996, 1997 Andreas Dilger
Distributed according to the same disclaimer and license as libpng-0.88,
with the following individuals added to the list of Contributing Authors:
John Bowler
Kevin Bracey
Sam Bushell
Magnus Holmgren
Greg Roelofs
Tom Tanner
libpng versions 0.5, May 1995, through 0.88, January 1996, are
Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.
For the purposes of this copyright and license, "Contributing Authors"
is defined as the following set of individuals:
Andreas Dilger
Dave Martindale
Guy Eric Schalnat
Paul Schmidt
Tim Wegner
The PNG Reference Library is supplied "AS IS". The Contributing Authors
and Group 42, Inc. disclaim all warranties, expressed or implied,
including, without limitation, the warranties of merchantability and of
fitness for any purpose. The Contributing Authors and Group 42, Inc.
assume no liability for direct, indirect, incidental, special, exemplary,
or consequential damages, which may result from the use of the PNG
Reference Library, even if advised of the possibility of such damage.
Permission is hereby granted to use, copy, modify, and distribute this
source code, or portions hereof, for any purpose, without fee, subject
to the following restrictions:
1. The origin of this source code must not be misrepresented.
2. Altered versions must be plainly marked as such and must not
be misrepresented as being the original source.
3. This Copyright notice may not be removed or altered from any
source or altered source distribution.
The Contributing Authors and Group 42, Inc. specifically permit, without
fee, and encourage the use of this source code as a component to
supporting the PNG file format in commercial products. If you use this
source code in a product, acknowledgment is not required but would be
appreciated.
A "png_get_copyright" function is available, for convenient use in "about"
boxes and the like:
printf("%s",png_get_copyright(NULL));
Also, the PNG logo (in PNG format, of course) is supplied in the
files "pngbar.png" and "pngbar.jpg (88x31) and "pngnow.png" (98x31).
Libpng is OSI Certified Open Source Software. OSI Certified Open Source is a
certification mark of the Open Source Initiative.
Glenn Randers-Pehrson
glennrp at users.sourceforge.net
April 10, 2011

91
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@ -1,11 +1,11 @@
README for libpng version 1.2.7 - September 12, 2004 (shared library 12.0)
README for libpng version 1.4.7 - April 10, 2011 (shared library 14.0)
See the note about version numbers near the top of png.h
See INSTALL for instructions on how to install libpng.
Libpng comes in several distribution formats. Get libpng-*.tar.gz
or libpng-*.tar.bz2 if you want UNIX-style line endings in the text
files, or lpng*.zip if you want DOS-style line endings.
Libpng comes in several distribution formats. Get libpng-*.tar.gz,
libpng-*.tar.xz or libpng-*.tar.bz2 if you want UNIX-style line endings
in the text files, or lpng*.zip if you want DOS-style line endings.
Version 0.89 was the first official release of libpng. Don't let the
fact that it's the first release fool you. The libpng library has been in
@ -54,9 +54,9 @@ to set different actions based on whether the CRC error occurred in a
critical or an ancillary chunk.
The changes made to the library, and bugs fixed are based on discussions
on the PNG-implement mailing list
and not on material submitted privately to Guy, Andreas, or Glenn. They will
forward any good suggestions to the list.
on the PNG-implement mailing list and not on material submitted
privately to Guy, Andreas, or Glenn. They will forward any good
suggestions to the list.
For a detailed description on using libpng, read libpng.txt. For
examples of libpng in a program, see example.c and pngtest.c. For usage
@ -101,19 +101,21 @@ Finally, if you get any warning messages when compiling libpng
fix. Please mention "libpng" somewhere in the subject line. Thanks.
This release was created and will be supported by myself (of course
based in a large way on Guy's and Andreas' earlier work), and the PNG group.
based in a large way on Guy's and Andreas' earlier work), and the PNG
development group.
glennrp@users.sourceforge.net
png-implement@ccrc.wustl.edu (subscription required; write to
majordomo@ccrc.wustl.edu with "subscribe png-implement" in the message).
Send comments/corrections/commendations to png-mng-implement at
lists.sourceforge.net (subscription required; visit
https://lists.sourceforge.net/lists/listinfo/png-mng-implement
to subscribe) or to glennrp at users.sourceforge.net
You can't reach Guy, the original libpng author, at the addresses
given in previous versions of this document. He and Andreas will read mail
addressed to the png-implement list, however.
given in previous versions of this document. He and Andreas will
read mail addressed to the png-implement list, however.
Please do not send general questions about PNG. Send them to
the (png-list@ccrc.wustl.edu, subscription required, write to
majordomo@ccrc.wustl.edu with "subscribe png-list" in your message).
the (png-list at ccrc.wustl.edu, subscription required, write to
majordomo at ccrc.wustl.edu with "subscribe png-list" in your message).
On the other hand,
please do not send libpng questions to that address, send them to me
or to the png-implement list. I'll
@ -146,7 +148,6 @@ Files in this distribution:
png.c => Basic interface functions common to library
png.h => Library function and interface declarations
pngconf.h => System specific library configuration
pngasmrd.h => Header file for assembler-coded functions
pngerror.c => Error/warning message I/O functions
pngget.c => Functions for retrieving info from struct
pngmem.c => Memory handling functions
@ -173,26 +174,20 @@ Files in this distribution:
pngminus => Simple pnm2png and png2pnm programs
pngsuite => Test images
visupng => Contains a MSVC workspace for VisualPng
projects => Contains project files and workspaces for building DLL
beos => Contains a Beos workspace for building libpng
c5builder => Contains a Borland workspace for building libpng
and zlib
visualc6 => Contains a Microsoft Visual C++ (MSVC) workspace
for building libpng and zlib
netware.txt => Contains instructions for downloading a set of
project files for building libpng and zlib on
Netware.
wince.txt => Contains instructions for downloading a Microsoft
Visual C++ (Windows CD Toolkit) workspace for
building libpng and zlib on WindowsCE
projects => Contains project files and workspaces for
building a DLL
c5builder => Contains a Borland workspace for building
libpng and zlib
visualc6 => Contains a Microsoft Visual C++ (MSVC)
workspace for building libpng and zlib
scripts => Directory containing scripts for building libpng:
descrip.mms => VMS makefile for MMS or MMK
makefile.std => Generic UNIX makefile (cc, creates static libpng.a)
makefile.std => Generic UNIX makefile (cc, creates static
libpng.a)
makefile.elf => Linux/ELF makefile symbol versioning,
(gcc, creates libpng14.so.14.1.4.7)
makefile.linux => Linux/ELF makefile
(gcc, creates libpng12.so.0.1.2.7)
makefile.gcmmx => Linux/ELF makefile
(gcc, creates libpng12.so.0.1.2.7,
uses assembler code tuned for Intel MMX platform)
(gcc, creates libpng14.so.14.1.4.7)
makefile.gcc => Generic makefile (gcc, creates static libpng.a)
makefile.knr => Archaic UNIX Makefile that converts files with
ansi2knr (Requires ansi2knr.c from
@ -207,18 +202,19 @@ Files in this distribution:
makefile.hp64 => HPUX (10.20 and 11.00) makefile, 64 bit
makefile.ibmc => IBM C/C++ version 3.x for Win32 and OS/2 (static)
makefile.intel => Intel C/C++ version 4.0 and later
libpng.icc => Project file, IBM VisualAge/C++ 4.0 or later
makefile.netbsd => NetBSD/cc makefile, PNGGCCRD, makes libpng.so.
makefile.ne12bsd => NetBSD/cc makefile, PNGGCCRD, makes libpng12.so
makefile.mingw => Mingw/gcc makefile
makefile.netbsd => NetBSD/cc makefile, makes libpng.so.
makefile.ne14bsd => NetBSD/cc makefile, makes
libpng14.so
makefile.openbsd => OpenBSD makefile
makefile.sgi => Silicon Graphics IRIX (cc, creates static lib)
makefile.sggcc => Silicon Graphics
(gcc, creates libpng12.so.0.1.2.7)
(gcc, creates libpng14.so.14.1.4.7)
makefile.sunos => Sun makefile
makefile.solaris => Solaris 2.X makefile
(gcc, creates libpng12.so.0.1.2.7)
(gcc, creates libpng14.so.14.1.4.7)
makefile.so9 => Solaris 9 makefile
(gcc, creates libpng12.so.0.1.2.7)
(gcc, creates libpng14.so.14.1.4.7)
makefile.32sunu => Sun Ultra 32-bit makefile
makefile.64sunu => Sun Ultra 64-bit makefile
makefile.sco => For SCO OSr5 ELF and Unixware 7 with Native cc
@ -235,26 +231,27 @@ Files in this distribution:
makefile.tc3 => Turbo C 3.0 makefile
makefile.dj2 => DJGPP 2 makefile
makefile.msc => Microsoft C makefile
makefile.vcawin32=> makefile for Microsoft Visual C++ 5.0 and
later (uses assembler code tuned for Intel MMX
platform)
makefile.vcwin32 => makefile for Microsoft Visual C++ 4.0 and
later (does not use assembler code)
makefile.os2 => OS/2 Makefile (gcc and emx, requires pngos2.def)
pngos2.def => OS/2 module definition file used by makefile.os2
png32ce.def => module definition for makefile.cegccg
pngos2.def => OS/2 module definition file used by
makefile.os2
pngwin.def => module definition file used by
makefile.cygwin and makefile.mingw
makefile.watcom => Watcom 10a+ Makefile, 32-bit flat memory model
makevms.com => VMS build script
SCOPTIONS.ppc => Used with smakefile.ppc
Good luck, and happy coding.
-Glenn Randers-Pehrson (current maintainer)
Internet: glennrp@users.sourceforge.net
-Glenn Randers-Pehrson (current maintainer, since 1998)
Internet: glennrp at users.sourceforge.net
-Andreas Eric Dilger (former maintainer, 1996-1997)
Internet: adilger@enel.ucalgary.ca
Internet: adilger at enel.ucalgary.ca
Web: http://www-mddsp.enel.ucalgary.ca/People/adilger/
-Guy Eric Schalnat (original author and former maintainer, 1995-1996)
(formerly of Group 42, Inc)
Internet: gschal@infinet.com
Internet: gschal at infinet.com

11
Source/3rdParty/wx/src/png/TODO → Source/3rdParty/png/TODO vendored
View File

@ -1,3 +1,4 @@
/*
TODO - list of things to do for libpng:
Final bug fixes.
@ -8,7 +9,7 @@ Fix problem with C++ and EXTERN "C".
cHRM transformation.
Improve setjmp/longjmp usage or remove it in favor of returning error codes.
Add "grayscale->palette" transformation and "palette->grayscale" detection.
Improved dithering.
Improved quantizing and dithering.
Multi-lingual error and warning message support.
Complete sRGB transformation (presently it simply uses gamma=0.45455).
Man pages for function calls.
@ -17,8 +18,14 @@ Better filter selection
(counting huffman bits/precompression? filter inertia? filter costs?).
Histogram creation.
Text conversion between different code pages (Latin-1 -> Mac and DOS).
Should we always malloc 2^bit_depth PLTE/tRNS/hIST entries for safety?
Build gamma tables using fixed point (and do away with floating point entirely).
Avoid building gamma tables whenever possible.
Use greater precision when changing to linear gamma for compositing against
background and doing rgb-to-gray transformation.
Investigate pre-incremented loop counters and other loop constructions.
Add interpolated method of handling interlacing.
Provide for conditional compilation of 16-bit support (except for the
initial stripping down to 8-bits when reading a 16-bit PNG datastream).
Switch to the simpler zlib (zlib/libpng) license if legally possible.
*/

19
Source/3rdParty/png/configure vendored Normal file
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@ -0,0 +1,19 @@
echo "
There is no \"configure\" script in this distribution of
libpng-1.4.7.
Instead, please copy the appropriate makefile for your system from the
\"scripts\" directory. Read the INSTALL file for more details.
Update, July 2004: you can get a \"configure\" based distribution
from the libpng distribution sites. Download the file
libpng-1.4.7.tar.gz, libpng-1.4.7.tar.xz, or libpng-1.4.7.tar.bz2
If the line endings in the files look funny, which is likely to be the
case if you were trying to run \"configure\" on a Linux machine, you may
wish to get the other distribution of libpng. It is available in both
tar.gz/tar.xz (UNIX style line endings) and .7z/.zip (DOS style line
endings) formats.
"

340
Source/3rdParty/png/contrib/gregbook/COPYING vendored Normal file
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@ -0,0 +1,340 @@
GNU GENERAL PUBLIC LICENSE
Version 2, June 1991
Copyright (C) 1989, 1991 Free Software Foundation, Inc.
59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
Preamble
The licenses for most software are designed to take away your
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Foundation's software and to any other program whose authors commit to
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When we speak of free software, we are referring to freedom, not
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have the freedom to distribute copies of free software (and charge for
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in new free programs; and that you know you can do these things.
To protect your rights, we need to make restrictions that forbid
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These restrictions translate to certain responsibilities for you if you
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For example, if you distribute copies of such a program, whether
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We protect your rights with two steps: (1) copyright the software, and
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The precise terms and conditions for copying, distribution and
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TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
0. This License applies to any program or other work which contains
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Whether that is true depends on what the Program does.
1. You may copy and distribute verbatim copies of the Program's
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How to Apply These Terms to Your New Programs
If you develop a new program, and you want it to be of the greatest
possible use to the public, the best way to achieve this is to make it
free software which everyone can redistribute and change under these terms.
To do so, attach the following notices to the program. It is safest
to attach them to the start of each source file to most effectively
convey the exclusion of warranty; and each file should have at least
the "copyright" line and a pointer to where the full notice is found.
<one line to give the program's name and a brief idea of what it does.>
Copyright (C) <year> <name of author>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Also add information on how to contact you by electronic and paper mail.
If the program is interactive, make it output a short notice like this
when it starts in an interactive mode:
Gnomovision version 69, Copyright (C) year name of author
Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
This is free software, and you are welcome to redistribute it
under certain conditions; type `show c' for details.
The hypothetical commands `show w' and `show c' should show the appropriate
parts of the General Public License. Of course, the commands you use may
be called something other than `show w' and `show c'; they could even be
mouse-clicks or menu items--whatever suits your program.
You should also get your employer (if you work as a programmer) or your
school, if any, to sign a "copyright disclaimer" for the program, if
necessary. Here is a sample; alter the names:
Yoyodyne, Inc., hereby disclaims all copyright interest in the program
`Gnomovision' (which makes passes at compilers) written by James Hacker.
<signature of Ty Coon>, 1 April 1989
Ty Coon, President of Vice
This General Public License does not permit incorporating your program into
proprietary programs. If your program is a subroutine library, you may
consider it more useful to permit linking proprietary applications with the
library. If this is what you want to do, use the GNU Library General
Public License instead of this License.

50
Source/3rdParty/png/contrib/gregbook/LICENSE vendored Normal file
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@ -0,0 +1,50 @@
---------------------------------------------------------------------------
Copyright (c) 1998-2008 Greg Roelofs. All rights reserved.
This software is provided "as is," without warranty of any kind,
express or implied. In no event shall the author or contributors
be held liable for any damages arising in any way from the use of
this software.
The contents of this file are DUAL-LICENSED. You may modify and/or
redistribute this software according to the terms of one of the
following two licenses (at your option):
LICENSE 1 ("BSD-like with advertising clause"):
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute
it freely, subject to the following restrictions:
1. Redistributions of source code must retain the above copyright
notice, disclaimer, and this list of conditions.
2. Redistributions in binary form must reproduce the above copyright
notice, disclaimer, and this list of conditions in the documenta-
tion and/or other materials provided with the distribution.
3. All advertising materials mentioning features or use of this
software must display the following acknowledgment:
This product includes software developed by Greg Roelofs
and contributors for the book, "PNG: The Definitive Guide,"
published by O'Reilly and Associates.
LICENSE 2 (GNU GPL v2 or later):
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software Foundation,
Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
---------------------------------------------------------------------------

130
Source/3rdParty/png/contrib/gregbook/Makefile.mingw32 vendored Normal file
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@ -0,0 +1,130 @@
# Sample makefile for rpng-win / rpng2-win / wpng using mingw32-gcc and make.
# Greg Roelofs
# Last modified: 2 June 2007
#
# The programs built by this makefile are described in the book,
# "PNG: The Definitive Guide," by Greg Roelofs (O'Reilly and
# Associates, 1999). Go buy a copy, eh? Well, OK, it's not
# generally for sale anymore, but it's the thought that counts,
# right? (Hint: http://www.libpng.org/pub/png/book/ )
#
# Invoke this makefile from a DOS-prompt window via:
#
# make -f Makefile.mingw32
#
# This makefile assumes libpng and zlib have already been built or downloaded
# and are in subdirectories at the same level as the current subdirectory
# (as indicated by the PNGDIR and ZDIR macros below). It makes no assumptions
# at all about the mingw32 installation tree (W32DIR). Edit as appropriate.
#
# Note that the names of the dynamic and static libpng and zlib libraries
# used below may change in later releases of the libraries. This makefile
# builds both statically and dynamically linked executables by default.
# (You need only one set, but for testing it can be handy to have both.)
# macros --------------------------------------------------------------------
#PNGDIR = ../..# for libpng-x.y.z/contrib/gregbook builds
PNGDIR = ../libpng-win32
PNGINC = -I$(PNGDIR)
PNGLIBd = $(PNGDIR)/libpng.dll.a # dynamically linked
PNGLIBs = $(PNGDIR)/libpng.a # statically linked, local libpng
#ZDIR = ../../../zlib-win32# for libpng-x.y.z/contrib/gregbook builds
ZDIR = ../zlib-win32
ZINC = -I$(ZDIR)
ZLIBd = $(ZDIR)/libzdll.a
ZLIBs = $(ZDIR)/libz.a
# change this to be the path where mingw32 installs its stuff:
W32DIR =
#W32DIR = /usr/local/cross-tools/i386-mingw32msvc
W32INC = -I$(W32DIR)/include
W32LIB = $(W32DIR)/lib/libuser32.a $(W32DIR)/lib/libgdi32.a
CC = gcc
#CC = i386-mingw32msvc-gcc # e.g., Linux -> Win32 cross-compilation
LD = $(CC)
RM = rm -f
CFLAGS = -O -Wall $(INCS) $(MINGW_CCFLAGS)
# [note that -Wall is a gcc-specific compilation flag ("most warnings on")]
# [-ansi, -pedantic and -W can also be used]
LDFLAGS = $(MINGW_LDFLAGS)
O = .o
E = .exe
INCS = $(PNGINC) $(ZINC) $(W32INC)
RLIBSd = $(PNGLIBd) $(ZLIBd) $(W32LIB) -lm
RLIBSs = $(PNGLIBs) $(ZLIBs) $(W32LIB) -lm
WLIBSd = $(PNGLIBd) $(ZLIBd)
WLIBSs = $(PNGLIBs) $(ZLIBs)
RPNG = rpng-win
RPNG2 = rpng2-win
WPNG = wpng
ROBJSd = $(RPNG)$(O) readpng.pic$(O)
ROBJS2d = $(RPNG2)$(O) readpng2.pic$(O)
WOBJSd = $(WPNG)$(O) writepng.pic$(O)
RPNGs = $(RPNG)-static
RPNG2s = $(RPNG2)-static
WPNGs = $(WPNG)-static
ROBJSs = $(RPNG)$(O) readpng$(O)
ROBJS2s = $(RPNG2)$(O) readpng2$(O)
WOBJSs = $(WPNG)$(O) writepng$(O)
STATIC_EXES = $(RPNGs)$(E) $(RPNG2s)$(E) $(WPNGs)$(E)
DYNAMIC_EXES = $(RPNG)$(E) $(RPNG2)$(E) $(WPNG)$(E)
EXES = $(STATIC_EXES) $(DYNAMIC_EXES)
# implicit make rules -------------------------------------------------------
.c$(O):
$(CC) -c $(CFLAGS) $<
%.pic$(O): %.c
$(CC) -c $(CFLAGS) -DPNG_BUILD_DLL -o $@ $<
# dependencies --------------------------------------------------------------
all: $(EXES)
$(RPNGs)$(E): $(ROBJSs)
$(LD) $(LDFLAGS) -o $@ $(ROBJSs) $(RLIBSs)
$(RPNG)$(E): $(ROBJSd)
$(LD) $(LDFLAGS) -o $@ $(ROBJSd) $(RLIBSd)
$(RPNG2s)$(E): $(ROBJS2s)
$(LD) $(LDFLAGS) -o $@ $(ROBJS2s) $(RLIBSs)
$(RPNG2)$(E): $(ROBJS2d)
$(LD) $(LDFLAGS) -o $@ $(ROBJS2d) $(RLIBSd)
$(WPNGs)$(E): $(WOBJSs)
$(LD) $(LDFLAGS) -o $@ $(WOBJSs) $(WLIBSs)
$(WPNG)$(E): $(WOBJSd)
$(LD) $(LDFLAGS) -o $@ $(WOBJSd) $(WLIBSd)
$(RPNG)$(O): $(RPNG).c readpng.h
$(RPNG2)$(O): $(RPNG2).c readpng2.h
$(WPNG)$(O): $(WPNG).c writepng.h
readpng$(O) readpng.pic$(O): readpng.c readpng.h
readpng2$(O) readpng2.pic$(O): readpng2.c readpng2.h
writepng$(O) writepng.pic$(O): writepng.c writepng.h
# maintenance ---------------------------------------------------------------
clean:
$(RM) $(EXES)
$(RM) $(ROBJSs) $(ROBJS2s) $(WOBJSs)
$(RM) $(ROBJSd) $(ROBJS2d) $(WOBJSd)

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# Sample makefile for rpng-x / rpng2-x / wpng for SGI using cc and make.
# Greg Roelofs
# Last modified: 7 March 2002
#
# The programs built by this makefile are described in the book,
# "PNG: The Definitive Guide," by Greg Roelofs (O'Reilly and
# Associates, 1999). Go buy a copy, eh? Buy some for friends
# and family, too. (Not that this is a blatant plug or anything.)
#
# Invoke this makefile from a shell prompt in the usual way; for example:
#
# make -f Makefile.sgi
#
# This makefile assumes libpng and zlib have already been built or downloaded
# and are both installed in /usr/local/{include,lib} (as indicated by the
# PNG* and Z* macros below). Edit as appropriate--choose only ONE each of
# the PNGINC, PNGLIB, ZINC and ZLIB lines.
#
# This makefile builds dynamically linked executables (against libpng and zlib,
# that is), but that can be changed by uncommenting the appropriate PNGLIB and
# ZLIB lines.
# macros --------------------------------------------------------------------
PNGINC = -I/usr/local/include/libpng14
PNGLIB = -L/usr/local/lib -lpng14 # dynamically linked against libpng
#PNGLIB = /usr/local/lib/libpng14.a # statically linked against libpng
# or:
#PNGINC = -I../..
#PNGLIB = -L../.. -lpng
#PNGLIB = ../../libpng.a
ZINC = -I/usr/local/include
ZLIB = -L/usr/local/lib -lz # dynamically linked against zlib
#ZLIB = /usr/local/lib/libz.a # statically linked against zlib
#ZINC = -I../zlib
#ZLIB = -L../zlib -lz
#ZLIB = ../../../zlib/libz.a
XINC = -I/usr/include/X11 # old-style, stock X distributions
XLIB = -L/usr/lib/X11 -lX11
#XINC = -I/usr/openwin/include # Sun workstations (OpenWindows)
#XLIB = -L/usr/openwin/lib -lX11
#XINC = -I/usr/X11R6/include # new X distributions (XFree86, etc.)
#XLIB = -L/usr/X11R6/lib -lX11
INCS = $(PNGINC) $(ZINC) $(XINC)
RLIBS = $(PNGLIB) $(ZLIB) $(XLIB) -lm
WLIBS = $(PNGLIB) $(ZLIB)
CC = cc
LD = cc
RM = rm -f
# ABI must be the same as that used to build libpng.
ABI=
CFLAGS = $(ABI) -O -fullwarn $(INCS)
LDFLAGS = $(ABI)
O = .o
E =
RPNG = rpng-x
RPNG2 = rpng2-x
WPNG = wpng
ROBJS = $(RPNG)$(O) readpng$(O)
ROBJS2 = $(RPNG2)$(O) readpng2$(O)
WOBJS = $(WPNG)$(O) writepng$(O)
EXES = $(RPNG)$(E) $(RPNG2)$(E) $(WPNG)$(E)
# implicit make rules -------------------------------------------------------
.c$(O):
$(CC) -c $(CFLAGS) $<
# dependencies --------------------------------------------------------------
all: $(EXES)
$(RPNG)$(E): $(ROBJS)
$(LD) $(LDFLAGS) -o $@ $(ROBJS) $(RLIBS)
$(RPNG2)$(E): $(ROBJS2)
$(LD) $(LDFLAGS) -o $@ $(ROBJS2) $(RLIBS)
$(WPNG)$(E): $(WOBJS)
$(LD) $(LDFLAGS) -o $@ $(WOBJS) $(WLIBS)
$(RPNG)$(O): $(RPNG).c readpng.h
$(RPNG2)$(O): $(RPNG2).c readpng2.h
$(WPNG)$(O): $(WPNG).c writepng.h
readpng$(O): readpng.c readpng.h
readpng2$(O): readpng2.c readpng2.h
writepng$(O): writepng.c writepng.h
# maintenance ---------------------------------------------------------------
clean:
$(RM) $(EXES) $(ROBJS) $(ROBJS2) $(WOBJS)

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# Sample makefile for rpng-x / rpng2-x / wpng using gcc and make.
# Greg Roelofs
# Last modified: 2 June 2007
#
# The programs built by this makefile are described in the book,
# "PNG: The Definitive Guide," by Greg Roelofs (O'Reilly and
# Associates, 1999). Go buy a copy, eh? Well, OK, it's not
# generally for sale anymore, but it's the thought that counts,
# right? (Hint: http://www.libpng.org/pub/png/book/ )
#
# Invoke this makefile from a shell prompt in the usual way; for example:
#
# make -f Makefile.unx
#
# This makefile assumes libpng and zlib have already been built or downloaded
# and are installed in /usr/local/{include,lib} or as otherwise indicated by
# the PNG* and Z* macros below. Edit as appropriate--choose only ONE each of
# the PNGINC, PNGLIBd, PNGLIBs, ZINC, ZLIBd and ZLIBs lines.
#
# This makefile builds both dynamically and statically linked executables
# (against libpng and zlib, that is), but that can be changed by modifying
# the "EXES =" line. (You need only one set, but for testing it can be handy
# to have both.)
# macros --------------------------------------------------------------------
#PNGDIR = /usr/local/lib
#PNGINC = -I/usr/local/include/libpng14
#PNGLIBd = -L$(PNGDIR) -lpng14 # dynamically linked, installed libpng
#PNGLIBs = $(PNGDIR)/libpng14.a # statically linked, installed libpng
# or:
PNGDIR = ../..# this one is for libpng-x.y.z/contrib/gregbook builds
#PNGDIR = ../libpng
PNGINC = -I$(PNGDIR)
PNGLIBd = -Wl,-rpath,$(PNGDIR) -L$(PNGDIR) -lpng14 # dynamically linked
PNGLIBs = $(PNGDIR)/libpng.a # statically linked, local libpng
ZDIR = /usr/local/lib
#ZDIR = /usr/lib64
ZINC = -I/usr/local/include
ZLIBd = -L$(ZDIR) -lz # dynamically linked against zlib
ZLIBs = $(ZDIR)/libz.a # statically linked against zlib
# or:
#ZDIR = ../zlib
#ZINC = -I$(ZDIR)
#ZLIBd = -Wl,-rpath,$(ZDIR) -L$(ZDIR) -lz # -rpath allows in-place testing
#ZLIBs = $(ZDIR)/libz.a
#XINC = -I/usr/include # old-style, stock X distributions
#XLIB = -L/usr/lib/X11 -lX11 # (including SGI IRIX)
#XINC = -I/usr/openwin/include # Sun workstations (OpenWindows)
#XLIB = -L/usr/openwin/lib -lX11
XINC = -I/usr/X11R6/include # new X distributions (X.org, etc.)
XLIB = -L/usr/X11R6/lib -lX11
#XLIB = -L/usr/X11R6/lib64 -lX11 # e.g., Red Hat on AMD64
INCS = $(PNGINC) $(ZINC) $(XINC)
RLIBSd = $(PNGLIBd) $(ZLIBd) $(XLIB) -lm
RLIBSs = $(PNGLIBs) $(ZLIBs) $(XLIB) -lm
WLIBSd = $(PNGLIBd) $(ZLIBd) -lm
WLIBSs = $(PNGLIBs) $(ZLIBs)
CC = gcc
LD = gcc
RM = rm -f
CFLAGS = -O -Wall $(INCS) -DFEATURE_LOOP
# [note that -Wall is a gcc-specific compilation flag ("most warnings on")]
# [-ansi, -pedantic and -W can also be used]
LDFLAGS =
O = .o
E =
RPNG = rpng-x
RPNG2 = rpng2-x
WPNG = wpng
RPNGs = $(RPNG)-static
RPNG2s = $(RPNG2)-static
WPNGs = $(WPNG)-static
ROBJS = $(RPNG)$(O) readpng$(O)
ROBJS2 = $(RPNG2)$(O) readpng2$(O)
WOBJS = $(WPNG)$(O) writepng$(O)
STATIC_EXES = $(RPNGs)$(E) $(RPNG2s)$(E) $(WPNGs)$(E)
DYNAMIC_EXES = $(RPNG)$(E) $(RPNG2)$(E) $(WPNG)$(E)
EXES = $(STATIC_EXES) $(DYNAMIC_EXES)
# implicit make rules -------------------------------------------------------
.c$(O):
$(CC) -c $(CFLAGS) $<
# dependencies --------------------------------------------------------------
all: $(EXES)
$(RPNGs)$(E): $(ROBJS)
$(LD) $(LDFLAGS) -o $@ $(ROBJS) $(RLIBSs)
$(RPNG)$(E): $(ROBJS)
$(LD) $(LDFLAGS) -o $@ $(ROBJS) $(RLIBSd)
$(RPNG2s)$(E): $(ROBJS2)
$(LD) $(LDFLAGS) -o $@ $(ROBJS2) $(RLIBSs)
$(RPNG2)$(E): $(ROBJS2)
$(LD) $(LDFLAGS) -o $@ $(ROBJS2) $(RLIBSd)
$(WPNGs)$(E): $(WOBJS)
$(LD) $(LDFLAGS) -o $@ $(WOBJS) $(WLIBSs)
$(WPNG)$(E): $(WOBJS)
$(LD) $(LDFLAGS) -o $@ $(WOBJS) $(WLIBSd)
$(RPNG)$(O): $(RPNG).c readpng.h
$(RPNG2)$(O): $(RPNG2).c readpng2.h
$(WPNG)$(O): $(WPNG).c writepng.h
readpng$(O): readpng.c readpng.h
readpng2$(O): readpng2.c readpng2.h
writepng$(O): writepng.c writepng.h
# maintenance ---------------------------------------------------------------
clean:
$(RM) $(EXES) $(ROBJS) $(ROBJS2) $(WOBJS)

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# Sample makefile for rpng-win / rpng2-win / wpng using MSVC and NMAKE.
# Greg Roelofs
# Last modified: 2 June 2007
#
# The programs built by this makefile are described in the book,
# "PNG: The Definitive Guide," by Greg Roelofs (O'Reilly and
# Associates, 1999). Go buy a copy, eh? Well, OK, it's not
# generally for sale anymore, but it's the thought that counts,
# right? (Hint: http://www.libpng.org/pub/png/book/ )
#
# Invoke this makefile from a DOS prompt window via:
#
# %devstudio%\vc\bin\vcvars32.bat
# nmake -nologo -f Makefile.w32
#
# where %devstudio% is the installation directory for MSVC / DevStudio. If
# you get "environment out of space" errors, create a desktop shortcut with
# "c:\windows\command.com /e:4096" as the program command line and set the
# working directory to this directory. Then double-click to open the new
# DOS-prompt window with a bigger environment and retry the commands above.
#
# This makefile assumes libpng and zlib have already been built or downloaded
# and are in subdirectories at the same level as the current subdirectory
# (as indicated by the PNGPATH and ZPATH macros below). Edit as appropriate.
#
# Note that the names of the dynamic and static libpng and zlib libraries
# used below may change in later releases of the libraries. This makefile
# builds statically linked executables, but that can be changed by uncom-
# menting the appropriate PNGLIB and ZLIB lines.
!include <ntwin32.mak>
# macros --------------------------------------------------------------------
PNGPATH = ../libpng
PNGINC = -I$(PNGPATH)
#PNGLIB = $(PNGPATH)/pngdll.lib
PNGLIB = $(PNGPATH)/libpng.lib
ZPATH = ../zlib
ZINC = -I$(ZPATH)
#ZLIB = $(ZPATH)/zlibdll.lib
ZLIB = $(ZPATH)/zlibstat.lib
WINLIBS = -defaultlib:user32.lib gdi32.lib
# ["real" apps may also need comctl32.lib, comdlg32.lib, winmm.lib, etc.]
INCS = $(PNGINC) $(ZINC)
RLIBS = $(PNGLIB) $(ZLIB) $(WINLIBS)
WLIBS = $(PNGLIB) $(ZLIB)
CC = cl
LD = link
RM = del
CFLAGS = -nologo -O -W3 $(INCS) $(cvars)
# [note that -W3 is an MSVC-specific compilation flag ("all warnings on")]
# [see %devstudio%\vc\include\win32.mak for cvars macro definition]
O = .obj
E = .exe
RLDFLAGS = -nologo -subsystem:windows
WLDFLAGS = -nologo
RPNG = rpng-win
RPNG2 = rpng2-win
WPNG = wpng
ROBJS = $(RPNG)$(O) readpng$(O)
ROBJS2 = $(RPNG2)$(O) readpng2$(O)
WOBJS = $(WPNG)$(O) writepng$(O)
EXES = $(RPNG)$(E) $(RPNG2)$(E) $(WPNG)$(E)
# implicit make rules -------------------------------------------------------
.c$(O):
$(CC) -c $(CFLAGS) $<
# dependencies --------------------------------------------------------------
all: $(EXES)
$(RPNG)$(E): $(ROBJS)
$(LD) $(RLDFLAGS) -out:$@ $(ROBJS) $(RLIBS)
$(RPNG2)$(E): $(ROBJS2)
$(LD) $(RLDFLAGS) -out:$@ $(ROBJS2) $(RLIBS)
$(WPNG)$(E): $(WOBJS)
$(LD) $(WLDFLAGS) -out:$@ $(WOBJS) $(WLIBS)
$(RPNG)$(O): $(RPNG).c readpng.h
$(RPNG2)$(O): $(RPNG2).c readpng2.h
$(WPNG)$(O): $(WPNG).c writepng.h
readpng$(O): readpng.c readpng.h
readpng2$(O): readpng2.c readpng2.h
writepng$(O): writepng.c writepng.h
# maintenance ---------------------------------------------------------------
clean:
# ideally we could just do this:
# $(RM) $(EXES) $(ROBJS) $(ROBJS2) $(WOBJS)
# ...but the Windows "DEL" command is none too bright, so:
$(RM) r*$(E)
$(RM) w*$(E)
$(RM) r*$(O)
$(RM) w*$(O)

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===========================
PNG: The Definitive Guide
===========================
Source Code
Chapters 13, 14 and 15 of "PNG: The Definitive Guide" discuss three free,
cross-platform demo programs that show how to use the libpng reference
library: rpng, rpng2 and wpng. rpng and rpng2 are viewers; the first is
a very simple example that that shows how a standard file-viewer might use
libpng, while the second is designed to process streaming data and shows
how a web browser might be written. wpng is a simple command-line program
that reads binary PGM and PPM files (the ``raw'' grayscale and RGB subsets
of PBMPLUS/NetPBM) and converts them to PNG.
The source code for all three demo programs currently compiles under
Unix, OpenVMS, and 32-bit Windows. (Special thanks to Martin Zinser,
zinser@decus.de, for making the necessary changes for OpenVMS and for
providing an appropriate build script.) Build instructions can be found
below.
Files:
README this file
LICENSE terms of distribution and reuse (BSD-like or GNU GPL)
COPYING GNU General Public License (GPL)
Makefile.unx Unix makefile
Makefile.w32 Windows (MSVC) makefile
makevms.com OpenVMS build script
rpng-win.c Windows front end for the basic viewer
rpng-x.c X Window System (Unix, OpenVMS) front end
readpng.c generic back end for the basic viewer
readpng.h header file for the basic viewer
rpng2-win.c Windows front end for the progressive viewer
rpng2-x.c X front end for the progressive viewer
readpng2.c generic back end for the progressive viewer
readpng2.h header file for the progressive viewer
wpng.c generic (text) front end for the converter
writepng.c generic back end for the converter
writepng.h header file for the converter
toucan.png transparent PNG for testing (by Stefan Schneider)
Note that, although the programs are designed to be functional, their
primary purpose is to illustrate how to use libpng to add PNG support to
other programs. As such, their user interfaces are crude and definitely
are not intended for everyday use.
Please see http://www.libpng.org/pub/png/pngbook.html for further infor-
mation and links to the latest version of the source code, and Chapters
13-15 of the book for detailed discussion of the three programs.
Greg Roelofs
http://pobox.com/~newt/greg_contact.html
16 March 2008
BUILD INSTRUCTIONS
- Prerequisites (in order of compilation):
- zlib http://zlib.net/
- libpng http://www.libpng.org/pub/png/libpng.html
- pngbook http://www.libpng.org/pub/png/book/sources.html
The pngbook demo programs are explicitly designed to demonstrate proper
coding techniques for using the libpng reference library. As a result,
you need to download and build both zlib (on which libpng depends) and
libpng. A common build setup is to place the zlib, libpng and pngbook
subdirectory trees ("folders") in the same parent directory. Then the
libpng build can refer to files in ../zlib (or ..\zlib or [-.zlib]),
and similarly for the pngbook build.
Note that all three packages are designed to be built from a command
line by default; those who wish to use a graphical or other integrated
development environments are on their own.
- Unix:
Unpack the latest pngbook sources (which should correspond to this
README file) into a directory and change into that directory.
Copy Makefile.unx to Makefile and edit the PNG* and Z* variables
appropriately (possibly also the X* variables if necessary).
make
There is no "install" target, so copy the three executables somewhere
in your path or run them from the current directory. All three will
print a basic usage screen when run without any command-line arguments;
see the book for more details.
- Windows:
Unpack the latest pngbook sources (which should correspond to this
README file) into a folder, open a "DOS shell" or "command prompt"
or equivalent command-line window, and cd into the folder where you
unpacked the source code.
For MSVC, set up the necessary environment variables by invoking
%devstudio%\vc\bin\vcvars32.bat
where where %devstudio% is the installation directory for MSVC /
DevStudio. If you get "environment out of space" errors under 95/98,
create a desktop shortcut with "c:\windows\command.com /e:4096" as
the program command line and set the working directory to the pngbook
directory. Then double-click to open the new DOS-prompt window with
a bigger environment and retry the commands above.
Copy Makefile.w32 to Makefile and edit the PNGPATH and ZPATH variables
appropriately (possibly also the "INC" and "LIB" variables if needed).
Note that the names of the dynamic and static libpng and zlib libraries
used in the makefile may change in later releases of the libraries.
Also note that, as of libpng version 1.0.5, MSVC DLL builds do not work.
This makefile therefore builds statically linked executables, but if
the DLL problems ever get fixed, uncommenting the appropriate PNGLIB
and ZLIB lines will build dynamically linked executables instead.
Do the build by typing
nmake
The result should be three executables: rpng-win.exe, rpng2-win.exe,
and wpng.exe. Copy them somewhere in your PATH or run them from the
current folder. Like the Unix versions, the two windowed programs
(rpng and rpng2) now display a usage screen in a console window when
invoked without command-line arguments; this is new behavior as of
the June 2001 release. Note that the programs use the Unix-style "-"
character to specify options, instead of the more common DOS/Windows
"/" character. (For example: "rpng2-win -bgpat 4 foo.png", not
"rpng2-win /bgpat 4 foo.png")
- OpenVMS:
Unpack the pngbook sources into a subdirectory and change into that
subdirectory.
Edit makevms.com appropriately, specifically the zpath and pngpath
variables.
@makevms
To run the programs, they probably first need to be set up as "foreign
symbols," with "disk" and "dir" set appropriately:
$ rpng == "$disk:[dir]rpng-x.exe"
$ rpng2 == "$disk:[dir]rpng2-x.exe"
$ wpng == "$disk:[dir]wpng.exe"
All three will print a basic usage screen when run without any command-
line arguments; see the book for more details. Note that the options
style is Unix-like, i.e., preceded by "-" rather than "/".
RUNNING THE PROGRAMS: (VERY) BRIEF INTRO
rpng is a simple PNG viewer that can display transparent PNGs with a
specified background color; for example,
rpng -bgcolor \#ff0000 toucan.png
would display the image with a red background. rpng2 is a progressive
viewer that simulates a web browser in some respects; it can display
images against either a background color or a dynamically generated
background image. For example:
rpng2 -bgpat 16 toucan.png
wpng is a purely command-line image converter from binary PBMPLUS/NetPBM
format (.pgm or .ppm) to PNG; for example,
wpng -time < toucan-notrans.ppm > toucan-notrans.png
would convert the specified PPM file (using redirection) to PNG, auto-
matically setting the PNG modification-time chunk.
All options can be abbreviated to the shortest unique value; for example,
"-bgc" for -bgcolor (versus "-bgp" for -bgpat), or "-g" for -gamma.

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$!------------------------------------------------------------------------------
$! make "PNG: The Definitive Guide" demo programs (for X) under OpenVMS
$!
$! Script created by Martin Zinser for libpng; modified by Greg Roelofs
$! for standalone pngbook source distribution.
$!
$!
$! Set locations where zlib and libpng sources live.
$!
$ zpath = ""
$ pngpath = ""
$!
$ if f$search("[---.zlib]zlib.h").nes."" then zpath = "[---.zlib]"
$ if f$search("[--]png.h").nes."" then pngpath = "[--]"
$!
$ if f$search("[-.zlib]zlib.h").nes."" then zpath = "[-.zlib]"
$ if f$search("[-.libpng]png.h").nes."" then pngpath = "[-.libpng]"
$!
$ if zpath .eqs. ""
$ then
$ write sys$output "zlib include not found. Exiting..."
$ exit 2
$ endif
$!
$ if pngpath .eqs. ""
$ then
$ write sys$output "libpng include not found. Exiting..."
$ exit 2
$ endif
$!
$! Look for the compiler used.
$!
$ ccopt="/include=(''zpath',''pngpath')"
$ if f$getsyi("HW_MODEL").ge.1024
$ then
$ ccopt = "/prefix=all"+ccopt
$ comp = "__decc__=1"
$ if f$trnlnm("SYS").eqs."" then define sys sys$library:
$ else
$ if f$search("SYS$SYSTEM:DECC$COMPILER.EXE").eqs.""
$ then
$ if f$trnlnm("SYS").eqs."" then define sys sys$library:
$ if f$search("SYS$SYSTEM:VAXC.EXE").eqs.""
$ then
$ comp = "__gcc__=1"
$ CC :== GCC
$ else
$ comp = "__vaxc__=1"
$ endif
$ else
$ if f$trnlnm("SYS").eqs."" then define sys decc$library_include:
$ ccopt = "/decc/prefix=all"+ccopt
$ comp = "__decc__=1"
$ endif
$ endif
$ open/write lopt lib.opt
$ write lopt "''pngpath'libpng.olb/lib"
$ write lopt "''zpath'libz.olb/lib"
$ close lopt
$ open/write xopt x11.opt
$ write xopt "sys$library:decw$xlibshr.exe/share"
$ close xopt
$!
$! Build 'em.
$!
$ write sys$output "Compiling PNG book programs ..."
$ CALL MAKE readpng.OBJ "cc ''CCOPT' readpng" -
readpng.c readpng.h
$ CALL MAKE readpng2.OBJ "cc ''CCOPT' readpng2" -
readpng2.c readpng2.h
$ CALL MAKE writepng.OBJ "cc ''CCOPT' writepng" -
writepng.c writepng.h
$ write sys$output "Building rpng-x..."
$ CALL MAKE rpng-x.OBJ "cc ''CCOPT' rpng-x" -
rpng-x.c readpng.h
$ call make rpng-x.exe -
"LINK rpng-x,readpng,lib.opt/opt,x11.opt/opt" -
rpng-x.obj readpng.obj
$ write sys$output "Building rpng2-x..."
$ CALL MAKE rpng2-x.OBJ "cc ''CCOPT' rpng2-x" -
rpng2-x.c readpng2.h
$ call make rpng2-x.exe -
"LINK rpng2-x,readpng2,lib.opt/opt,x11.opt/opt" -
rpng2-x.obj readpng2.obj
$ write sys$output "Building wpng..."
$ CALL MAKE wpng.OBJ "cc ''CCOPT' wpng" -
wpng.c writepng.h
$ call make wpng.exe -
"LINK wpng,writepng,lib.opt/opt" -
wpng.obj writepng.obj
$ exit
$!
$!
$MAKE: SUBROUTINE !SUBROUTINE TO CHECK DEPENDENCIES
$ V = 'F$Verify(0)
$! P1 = What we are trying to make
$! P2 = Command to make it
$! P3 - P8 What it depends on
$
$ If F$Search(P1) .Eqs. "" Then Goto Makeit
$ Time = F$CvTime(F$File(P1,"RDT"))
$arg=3
$Loop:
$ Argument = P'arg
$ If Argument .Eqs. "" Then Goto Exit
$ El=0
$Loop2:
$ File = F$Element(El," ",Argument)
$ If File .Eqs. " " Then Goto Endl
$ AFile = ""
$Loop3:
$ OFile = AFile
$ AFile = F$Search(File)
$ If AFile .Eqs. "" .Or. AFile .Eqs. OFile Then Goto NextEl
$ If F$CvTime(F$File(AFile,"RDT")) .Ges. Time Then Goto Makeit
$ Goto Loop3
$NextEL:
$ El = El + 1
$ Goto Loop2
$EndL:
$ arg=arg+1
$ If arg .Le. 8 Then Goto Loop
$ Goto Exit
$
$Makeit:
$ VV=F$VERIFY(0)
$ write sys$output P2
$ 'P2
$ VV='F$Verify(VV)
$Exit:
$ If V Then Set Verify
$ENDSUBROUTINE

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/*---------------------------------------------------------------------------
rpng - simple PNG display program readpng.c
---------------------------------------------------------------------------
Copyright (c) 1998-2007 Greg Roelofs. All rights reserved.
This software is provided "as is," without warranty of any kind,
express or implied. In no event shall the author or contributors
be held liable for any damages arising in any way from the use of
this software.
The contents of this file are DUAL-LICENSED. You may modify and/or
redistribute this software according to the terms of one of the
following two licenses (at your option):
LICENSE 1 ("BSD-like with advertising clause"):
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute
it freely, subject to the following restrictions:
1. Redistributions of source code must retain the above copyright
notice, disclaimer, and this list of conditions.
2. Redistributions in binary form must reproduce the above copyright
notice, disclaimer, and this list of conditions in the documenta-
tion and/or other materials provided with the distribution.
3. All advertising materials mentioning features or use of this
software must display the following acknowledgment:
This product includes software developed by Greg Roelofs
and contributors for the book, "PNG: The Definitive Guide,"
published by O'Reilly and Associates.
LICENSE 2 (GNU GPL v2 or later):
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software Foundation,
Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
---------------------------------------------------------------------------*/
#include <stdio.h>
#include <stdlib.h>
#include "png.h" /* libpng header; includes zlib.h */
#include "readpng.h" /* typedefs, common macros, public prototypes */
/* future versions of libpng will provide this macro: */
#ifndef png_jmpbuf
# define png_jmpbuf(png_ptr) ((png_ptr)->jmpbuf)
#endif
static png_structp png_ptr = NULL;
static png_infop info_ptr = NULL;
png_uint_32 width, height;
int bit_depth, color_type;
uch *image_data = NULL;
void readpng_version_info(void)
{
fprintf(stderr, " Compiled with libpng %s; using libpng %s.\n",
PNG_LIBPNG_VER_STRING, png_libpng_ver);
fprintf(stderr, " Compiled with zlib %s; using zlib %s.\n",
ZLIB_VERSION, zlib_version);
}
/* return value = 0 for success, 1 for bad sig, 2 for bad IHDR, 4 for no mem */
int readpng_init(FILE *infile, ulg *pWidth, ulg *pHeight)
{
uch sig[8];
/* first do a quick check that the file really is a PNG image; could
* have used slightly more general png_sig_cmp() function instead */
fread(sig, 1, 8, infile);
if (png_sig_cmp(sig, 0, 8))
return 1; /* bad signature */
/* could pass pointers to user-defined error handlers instead of NULLs: */
png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
if (!png_ptr)
return 4; /* out of memory */
info_ptr = png_create_info_struct(png_ptr);
if (!info_ptr) {
png_destroy_read_struct(&png_ptr, NULL, NULL);
return 4; /* out of memory */
}
/* we could create a second info struct here (end_info), but it's only
* useful if we want to keep pre- and post-IDAT chunk info separated
* (mainly for PNG-aware image editors and converters) */
/* setjmp() must be called in every function that calls a PNG-reading
* libpng function */
if (setjmp(png_jmpbuf(png_ptr))) {
png_destroy_read_struct(&png_ptr, &info_ptr, NULL);
return 2;
}
png_init_io(png_ptr, infile);
png_set_sig_bytes(png_ptr, 8); /* we already read the 8 signature bytes */
png_read_info(png_ptr, info_ptr); /* read all PNG info up to image data */
/* alternatively, could make separate calls to png_get_image_width(),
* etc., but want bit_depth and color_type for later [don't care about
* compression_type and filter_type => NULLs] */
png_get_IHDR(png_ptr, info_ptr, &width, &height, &bit_depth, &color_type,
NULL, NULL, NULL);
*pWidth = width;
*pHeight = height;
/* OK, that's all we need for now; return happy */
return 0;
}
/* returns 0 if succeeds, 1 if fails due to no bKGD chunk, 2 if libpng error;
* scales values to 8-bit if necessary */
int readpng_get_bgcolor(uch *red, uch *green, uch *blue)
{
png_color_16p pBackground;
/* setjmp() must be called in every function that calls a PNG-reading
* libpng function */
if (setjmp(png_jmpbuf(png_ptr))) {
png_destroy_read_struct(&png_ptr, &info_ptr, NULL);
return 2;
}
if (!png_get_valid(png_ptr, info_ptr, PNG_INFO_bKGD))
return 1;
/* it is not obvious from the libpng documentation, but this function
* takes a pointer to a pointer, and it always returns valid red, green
* and blue values, regardless of color_type: */
png_get_bKGD(png_ptr, info_ptr, &pBackground);
/* however, it always returns the raw bKGD data, regardless of any
* bit-depth transformations, so check depth and adjust if necessary */
if (bit_depth == 16) {
*red = pBackground->red >> 8;
*green = pBackground->green >> 8;
*blue = pBackground->blue >> 8;
} else if (color_type == PNG_COLOR_TYPE_GRAY && bit_depth < 8) {
if (bit_depth == 1)
*red = *green = *blue = pBackground->gray? 255 : 0;
else if (bit_depth == 2)
*red = *green = *blue = (255/3) * pBackground->gray;
else /* bit_depth == 4 */
*red = *green = *blue = (255/15) * pBackground->gray;
} else {
*red = (uch)pBackground->red;
*green = (uch)pBackground->green;
*blue = (uch)pBackground->blue;
}
return 0;
}
/* display_exponent == LUT_exponent * CRT_exponent */
uch *readpng_get_image(double display_exponent, int *pChannels, ulg *pRowbytes)
{
double gamma;
png_uint_32 i, rowbytes;
png_bytepp row_pointers = NULL;
/* setjmp() must be called in every function that calls a PNG-reading
* libpng function */
if (setjmp(png_jmpbuf(png_ptr))) {
png_destroy_read_struct(&png_ptr, &info_ptr, NULL);
return NULL;
}
/* expand palette images to RGB, low-bit-depth grayscale images to 8 bits,
* transparency chunks to full alpha channel; strip 16-bit-per-sample
* images to 8 bits per sample; and convert grayscale to RGB[A] */
if (color_type == PNG_COLOR_TYPE_PALETTE)
png_set_expand(png_ptr);
if (color_type == PNG_COLOR_TYPE_GRAY && bit_depth < 8)
png_set_expand(png_ptr);
if (png_get_valid(png_ptr, info_ptr, PNG_INFO_tRNS))
png_set_expand(png_ptr);
if (bit_depth == 16)
png_set_strip_16(png_ptr);
if (color_type == PNG_COLOR_TYPE_GRAY ||
color_type == PNG_COLOR_TYPE_GRAY_ALPHA)
png_set_gray_to_rgb(png_ptr);
/* unlike the example in the libpng documentation, we have *no* idea where
* this file may have come from--so if it doesn't have a file gamma, don't
* do any correction ("do no harm") */
if (png_get_gAMA(png_ptr, info_ptr, &gamma))
png_set_gamma(png_ptr, display_exponent, gamma);
/* all transformations have been registered; now update info_ptr data,
* get rowbytes and channels, and allocate image memory */
png_read_update_info(png_ptr, info_ptr);
*pRowbytes = rowbytes = png_get_rowbytes(png_ptr, info_ptr);
*pChannels = (int)png_get_channels(png_ptr, info_ptr);
if ((image_data = (uch *)malloc(rowbytes*height)) == NULL) {
png_destroy_read_struct(&png_ptr, &info_ptr, NULL);
return NULL;
}
if ((row_pointers = (png_bytepp)malloc(height*sizeof(png_bytep))) == NULL) {
png_destroy_read_struct(&png_ptr, &info_ptr, NULL);
free(image_data);
image_data = NULL;
return NULL;
}
Trace((stderr, "readpng_get_image: channels = %d, rowbytes = %ld, height = %ld\n", *pChannels, rowbytes, height));
/* set the individual row_pointers to point at the correct offsets */
for (i = 0; i < height; ++i)
row_pointers[i] = image_data + i*rowbytes;
/* now we can go ahead and just read the whole image */
png_read_image(png_ptr, row_pointers);
/* and we're done! (png_read_end() can be omitted if no processing of
* post-IDAT text/time/etc. is desired) */
free(row_pointers);
row_pointers = NULL;
png_read_end(png_ptr, NULL);
return image_data;
}
void readpng_cleanup(int free_image_data)
{
if (free_image_data && image_data) {
free(image_data);
image_data = NULL;
}
if (png_ptr && info_ptr) {
png_destroy_read_struct(&png_ptr, &info_ptr, NULL);
png_ptr = NULL;
info_ptr = NULL;
}
}

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/*---------------------------------------------------------------------------
rpng - simple PNG display program readpng.h
---------------------------------------------------------------------------
Copyright (c) 1998-2007 Greg Roelofs. All rights reserved.
This software is provided "as is," without warranty of any kind,
express or implied. In no event shall the author or contributors
be held liable for any damages arising in any way from the use of
this software.
The contents of this file are DUAL-LICENSED. You may modify and/or
redistribute this software according to the terms of one of the
following two licenses (at your option):
LICENSE 1 ("BSD-like with advertising clause"):
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute
it freely, subject to the following restrictions:
1. Redistributions of source code must retain the above copyright
notice, disclaimer, and this list of conditions.
2. Redistributions in binary form must reproduce the above copyright
notice, disclaimer, and this list of conditions in the documenta-
tion and/or other materials provided with the distribution.
3. All advertising materials mentioning features or use of this
software must display the following acknowledgment:
This product includes software developed by Greg Roelofs
and contributors for the book, "PNG: The Definitive Guide,"
published by O'Reilly and Associates.
LICENSE 2 (GNU GPL v2 or later):
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software Foundation,
Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
---------------------------------------------------------------------------*/
#ifndef TRUE
# define TRUE 1
# define FALSE 0
#endif
#ifndef MAX
# define MAX(a,b) ((a) > (b)? (a) : (b))
# define MIN(a,b) ((a) < (b)? (a) : (b))
#endif
#ifdef DEBUG
# define Trace(x) {fprintf x ; fflush(stderr); fflush(stdout);}
#else
# define Trace(x) ;
#endif
typedef unsigned char uch;
typedef unsigned short ush;
typedef unsigned long ulg;
/* prototypes for public functions in readpng.c */
void readpng_version_info(void);
int readpng_init(FILE *infile, ulg *pWidth, ulg *pHeight);
int readpng_get_bgcolor(uch *bg_red, uch *bg_green, uch *bg_blue);
uch *readpng_get_image(double display_exponent, int *pChannels,
ulg *pRowbytes);
void readpng_cleanup(int free_image_data);

484
Source/3rdParty/png/contrib/gregbook/readpng2.c vendored Normal file
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/*---------------------------------------------------------------------------
rpng2 - progressive-model PNG display program readpng2.c
---------------------------------------------------------------------------
Copyright (c) 1998-2007 Greg Roelofs. All rights reserved.
This software is provided "as is," without warranty of any kind,
express or implied. In no event shall the author or contributors
be held liable for any damages arising in any way from the use of
this software.
The contents of this file are DUAL-LICENSED. You may modify and/or
redistribute this software according to the terms of one of the
following two licenses (at your option):
LICENSE 1 ("BSD-like with advertising clause"):
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute
it freely, subject to the following restrictions:
1. Redistributions of source code must retain the above copyright
notice, disclaimer, and this list of conditions.
2. Redistributions in binary form must reproduce the above copyright
notice, disclaimer, and this list of conditions in the documenta-
tion and/or other materials provided with the distribution.
3. All advertising materials mentioning features or use of this
software must display the following acknowledgment:
This product includes software developed by Greg Roelofs
and contributors for the book, "PNG: The Definitive Guide,"
published by O'Reilly and Associates.
LICENSE 2 (GNU GPL v2 or later):
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software Foundation,
Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
---------------------------------------------------------------------------*/
#include <stdlib.h> /* for exit() prototype */
#include "png.h" /* libpng header; includes zlib.h and setjmp.h */
#include "readpng2.h" /* typedefs, common macros, public prototypes */
/* local prototypes */
static void readpng2_info_callback(png_structp png_ptr, png_infop info_ptr);
static void readpng2_row_callback(png_structp png_ptr, png_bytep new_row,
png_uint_32 row_num, int pass);
static void readpng2_end_callback(png_structp png_ptr, png_infop info_ptr);
static void readpng2_error_handler(png_structp png_ptr, png_const_charp msg);
void readpng2_version_info(void)
{
fprintf(stderr, " Compiled with libpng %s; using libpng %s\n",
PNG_LIBPNG_VER_STRING, png_libpng_ver);
fprintf(stderr, " and with zlib %s; using zlib %s.\n",
ZLIB_VERSION, zlib_version);
}
int readpng2_check_sig(uch *sig, int num)
{
return !png_sig_cmp(sig, 0, num);
}
/* returns 0 for success, 2 for libpng problem, 4 for out of memory */
int readpng2_init(mainprog_info *mainprog_ptr)
{
png_structp png_ptr; /* note: temporary variables! */
png_infop info_ptr;
/* could also replace libpng warning-handler (final NULL), but no need: */
png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, mainprog_ptr,
readpng2_error_handler, NULL);
if (!png_ptr)
return 4; /* out of memory */
info_ptr = png_create_info_struct(png_ptr);
if (!info_ptr) {
png_destroy_read_struct(&png_ptr, NULL, NULL);
return 4; /* out of memory */
}
/* we could create a second info struct here (end_info), but it's only
* useful if we want to keep pre- and post-IDAT chunk info separated
* (mainly for PNG-aware image editors and converters) */
/* setjmp() must be called in every function that calls a PNG-reading
* libpng function, unless an alternate error handler was installed--
* but compatible error handlers must either use longjmp() themselves
* (as in this program) or exit immediately, so here we are: */
if (setjmp(mainprog_ptr->jmpbuf)) {
png_destroy_read_struct(&png_ptr, &info_ptr, NULL);
return 2;
}
#ifdef PNG_HANDLE_AS_UNKNOWN_SUPPORTED
/* prepare the reader to ignore all recognized chunks whose data won't be
* used, i.e., all chunks recognized by libpng except for IHDR, PLTE, IDAT,
* IEND, tRNS, bKGD, gAMA, and sRGB (small performance improvement) */
{
/* These byte strings were copied from png.h. If a future libpng
* version recognizes more chunks, add them to this list. If a
* future version of readpng2.c recognizes more chunks, delete them
* from this list. */
static /* const */ png_byte chunks_to_ignore[] = {
99, 72, 82, 77, '\0', /* cHRM */
104, 73, 83, 84, '\0', /* hIST */
105, 67, 67, 80, '\0', /* iCCP */
105, 84, 88, 116, '\0', /* iTXt */
111, 70, 70, 115, '\0', /* oFFs */
112, 67, 65, 76, '\0', /* pCAL */
112, 72, 89, 115, '\0', /* pHYs */
115, 66, 73, 84, '\0', /* sBIT */
115, 67, 65, 76, '\0', /* sCAL */
115, 80, 76, 84, '\0', /* sPLT */
115, 84, 69, 82, '\0', /* sTER */
116, 69, 88, 116, '\0', /* tEXt */
116, 73, 77, 69, '\0', /* tIME */
122, 84, 88, 116, '\0' /* zTXt */
};
png_set_keep_unknown_chunks(png_ptr, 1 /* PNG_HANDLE_CHUNK_NEVER */,
chunks_to_ignore, sizeof(chunks_to_ignore)/5);
}
#endif /* PNG_HANDLE_AS_UNKNOWN_SUPPORTED */
/* instead of doing png_init_io() here, now we set up our callback
* functions for progressive decoding */
png_set_progressive_read_fn(png_ptr, mainprog_ptr,
readpng2_info_callback, readpng2_row_callback, readpng2_end_callback);
/* make sure we save our pointers for use in readpng2_decode_data() */
mainprog_ptr->png_ptr = png_ptr;
mainprog_ptr->info_ptr = info_ptr;
/* and that's all there is to initialization */
return 0;
}
/* returns 0 for success, 2 for libpng (longjmp) problem */
int readpng2_decode_data(mainprog_info *mainprog_ptr, uch *rawbuf, ulg length)
{
png_structp png_ptr = (png_structp)mainprog_ptr->png_ptr;
png_infop info_ptr = (png_infop)mainprog_ptr->info_ptr;
/* setjmp() must be called in every function that calls a PNG-reading
* libpng function */
if (setjmp(mainprog_ptr->jmpbuf)) {
png_destroy_read_struct(&png_ptr, &info_ptr, NULL);
mainprog_ptr->png_ptr = NULL;
mainprog_ptr->info_ptr = NULL;
return 2;
}
/* hand off the next chunk of input data to libpng for decoding */
png_process_data(png_ptr, info_ptr, rawbuf, length);
return 0;
}
static void readpng2_info_callback(png_structp png_ptr, png_infop info_ptr)
{
mainprog_info *mainprog_ptr;
int color_type, bit_depth;
png_uint_32 width, height;
double gamma;
/* setjmp() doesn't make sense here, because we'd either have to exit(),
* longjmp() ourselves, or return control to libpng, which doesn't want
* to see us again. By not doing anything here, libpng will instead jump
* to readpng2_decode_data(), which can return an error value to the main
* program. */
/* retrieve the pointer to our special-purpose struct, using the png_ptr
* that libpng passed back to us (i.e., not a global this time--there's
* no real difference for a single image, but for a multithreaded browser
* decoding several PNG images at the same time, one needs to avoid mixing
* up different images' structs) */
mainprog_ptr = png_get_progressive_ptr(png_ptr);
if (mainprog_ptr == NULL) { /* we be hosed */
fprintf(stderr,
"readpng2 error: main struct not recoverable in info_callback.\n");
fflush(stderr);
return;
/*
* Alternatively, we could call our error-handler just like libpng
* does, which would effectively terminate the program. Since this
* can only happen if png_ptr gets redirected somewhere odd or the
* main PNG struct gets wiped, we're probably toast anyway. (If
* png_ptr itself is NULL, we would not have been called.)
*/
}
/* this is just like in the non-progressive case */
png_get_IHDR(png_ptr, info_ptr, &width, &height, &bit_depth, &color_type,
NULL, NULL, NULL);
mainprog_ptr->width = (ulg)width;
mainprog_ptr->height = (ulg)height;
/* since we know we've read all of the PNG file's "header" (i.e., up
* to IDAT), we can check for a background color here */
if (mainprog_ptr->need_bgcolor &&
png_get_valid(png_ptr, info_ptr, PNG_INFO_bKGD))
{
png_color_16p pBackground;
/* it is not obvious from the libpng documentation, but this function
* takes a pointer to a pointer, and it always returns valid red,
* green and blue values, regardless of color_type: */
png_get_bKGD(png_ptr, info_ptr, &pBackground);
/* however, it always returns the raw bKGD data, regardless of any
* bit-depth transformations, so check depth and adjust if necessary */
if (bit_depth == 16) {
mainprog_ptr->bg_red = pBackground->red >> 8;
mainprog_ptr->bg_green = pBackground->green >> 8;
mainprog_ptr->bg_blue = pBackground->blue >> 8;
} else if (color_type == PNG_COLOR_TYPE_GRAY && bit_depth < 8) {
if (bit_depth == 1)
mainprog_ptr->bg_red = mainprog_ptr->bg_green =
mainprog_ptr->bg_blue = pBackground->gray? 255 : 0;
else if (bit_depth == 2)
mainprog_ptr->bg_red = mainprog_ptr->bg_green =
mainprog_ptr->bg_blue = (255/3) * pBackground->gray;
else /* bit_depth == 4 */
mainprog_ptr->bg_red = mainprog_ptr->bg_green =
mainprog_ptr->bg_blue = (255/15) * pBackground->gray;
} else {
mainprog_ptr->bg_red = (uch)pBackground->red;
mainprog_ptr->bg_green = (uch)pBackground->green;
mainprog_ptr->bg_blue = (uch)pBackground->blue;
}
}
/* as before, let libpng expand palette images to RGB, low-bit-depth
* grayscale images to 8 bits, transparency chunks to full alpha channel;
* strip 16-bit-per-sample images to 8 bits per sample; and convert
* grayscale to RGB[A] */
if (color_type == PNG_COLOR_TYPE_PALETTE)
png_set_expand(png_ptr);
if (color_type == PNG_COLOR_TYPE_GRAY && bit_depth < 8)
png_set_expand(png_ptr);
if (png_get_valid(png_ptr, info_ptr, PNG_INFO_tRNS))
png_set_expand(png_ptr);
if (bit_depth == 16)
png_set_strip_16(png_ptr);
if (color_type == PNG_COLOR_TYPE_GRAY ||
color_type == PNG_COLOR_TYPE_GRAY_ALPHA)
png_set_gray_to_rgb(png_ptr);
/* Unlike the basic viewer, which was designed to operate on local files,
* this program is intended to simulate a web browser--even though we
* actually read from a local file, too. But because we are pretending
* that most of the images originate on the Internet, we follow the recom-
* mendation of the sRGB proposal and treat unlabelled images (no gAMA
* chunk) as existing in the sRGB color space. That is, we assume that
* such images have a file gamma of 0.45455, which corresponds to a PC-like
* display system. This change in assumptions will have no effect on a
* PC-like system, but on a Mac, SGI, NeXT or other system with a non-
* identity lookup table, it will darken unlabelled images, which effec-
* tively favors images from PC-like systems over those originating on
* the local platform. Note that mainprog_ptr->display_exponent is the
* "gamma" value for the entire display system, i.e., the product of
* LUT_exponent and CRT_exponent. */
if (png_get_gAMA(png_ptr, info_ptr, &gamma))
png_set_gamma(png_ptr, mainprog_ptr->display_exponent, gamma);
else
png_set_gamma(png_ptr, mainprog_ptr->display_exponent, 0.45455);
/* we'll let libpng expand interlaced images, too */
mainprog_ptr->passes = png_set_interlace_handling(png_ptr);
/* all transformations have been registered; now update info_ptr data and
* then get rowbytes and channels */
png_read_update_info(png_ptr, info_ptr);
mainprog_ptr->rowbytes = (int)png_get_rowbytes(png_ptr, info_ptr);
mainprog_ptr->channels = png_get_channels(png_ptr, info_ptr);
/* Call the main program to allocate memory for the image buffer and
* initialize windows and whatnot. (The old-style function-pointer
* invocation is used for compatibility with a few supposedly ANSI
* compilers that nevertheless barf on "fn_ptr()"-style syntax.) */
(*mainprog_ptr->mainprog_init)();
/* and that takes care of initialization */
return;
}
static void readpng2_row_callback(png_structp png_ptr, png_bytep new_row,
png_uint_32 row_num, int pass)
{
mainprog_info *mainprog_ptr;
/* first check whether the row differs from the previous pass; if not,
* nothing to combine or display */
if (!new_row)
return;
/* retrieve the pointer to our special-purpose struct so we can access
* the old rows and image-display callback function */
mainprog_ptr = png_get_progressive_ptr(png_ptr);
/* save the pass number for optional use by the front end */
mainprog_ptr->pass = pass;
/* have libpng either combine the new row data with the existing row data
* from previous passes (if interlaced) or else just copy the new row
* into the main program's image buffer */
png_progressive_combine_row(png_ptr, mainprog_ptr->row_pointers[row_num],
new_row);
/* finally, call the display routine in the main program with the number
* of the row we just updated */
(*mainprog_ptr->mainprog_display_row)(row_num);
/* and we're ready for more */
return;
}
static void readpng2_end_callback(png_structp png_ptr, png_infop info_ptr)
{
mainprog_info *mainprog_ptr;
/* retrieve the pointer to our special-purpose struct */
mainprog_ptr = png_get_progressive_ptr(png_ptr);
/* let the main program know that it should flush any buffered image
* data to the display now and set a "done" flag or whatever, but note
* that it SHOULD NOT DESTROY THE PNG STRUCTS YET--in other words, do
* NOT call readpng2_cleanup() either here or in the finish_display()
* routine; wait until control returns to the main program via
* readpng2_decode_data() */
(*mainprog_ptr->mainprog_finish_display)();
/* all done */
return;
}
void readpng2_cleanup(mainprog_info *mainprog_ptr)
{
png_structp png_ptr = (png_structp)mainprog_ptr->png_ptr;
png_infop info_ptr = (png_infop)mainprog_ptr->info_ptr;
if (png_ptr && info_ptr)
png_destroy_read_struct(&png_ptr, &info_ptr, NULL);
mainprog_ptr->png_ptr = NULL;
mainprog_ptr->info_ptr = NULL;
}
static void readpng2_error_handler(png_structp png_ptr, png_const_charp msg)
{
mainprog_info *mainprog_ptr;
/* This function, aside from the extra step of retrieving the "error
* pointer" (below) and the fact that it exists within the application
* rather than within libpng, is essentially identical to libpng's
* default error handler. The second point is critical: since both
* setjmp() and longjmp() are called from the same code, they are
* guaranteed to have compatible notions of how big a jmp_buf is,
* regardless of whether _BSD_SOURCE or anything else has (or has not)
* been defined. */
fprintf(stderr, "readpng2 libpng error: %s\n", msg);
fflush(stderr);
mainprog_ptr = png_get_error_ptr(png_ptr);
if (mainprog_ptr == NULL) { /* we are completely hosed now */
fprintf(stderr,
"readpng2 severe error: jmpbuf not recoverable; terminating.\n");
fflush(stderr);
exit(99);
}
longjmp(mainprog_ptr->jmpbuf, 1);
}

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/*---------------------------------------------------------------------------
rpng2 - progressive-model PNG display program readpng2.h
---------------------------------------------------------------------------
Copyright (c) 1998-2008 Greg Roelofs. All rights reserved.
This software is provided "as is," without warranty of any kind,
express or implied. In no event shall the author or contributors
be held liable for any damages arising in any way from the use of
this software.
The contents of this file are DUAL-LICENSED. You may modify and/or
redistribute this software according to the terms of one of the
following two licenses (at your option):
LICENSE 1 ("BSD-like with advertising clause"):
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute
it freely, subject to the following restrictions:
1. Redistributions of source code must retain the above copyright
notice, disclaimer, and this list of conditions.
2. Redistributions in binary form must reproduce the above copyright
notice, disclaimer, and this list of conditions in the documenta-
tion and/or other materials provided with the distribution.
3. All advertising materials mentioning features or use of this
software must display the following acknowledgment:
This product includes software developed by Greg Roelofs
and contributors for the book, "PNG: The Definitive Guide,"
published by O'Reilly and Associates.
LICENSE 2 (GNU GPL v2 or later):
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software Foundation,
Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
---------------------------------------------------------------------------*/
#ifndef TRUE
# define TRUE 1
# define FALSE 0
#endif
#ifndef MAX
# define MAX(a,b) ((a) > (b)? (a) : (b))
# define MIN(a,b) ((a) < (b)? (a) : (b))
#endif
#ifdef DEBUG
# define Trace(x) {fprintf x ; fflush(stderr); fflush(stdout);}
#else
# define Trace(x) ;
#endif
enum rpng2_states {
kPreInit = 0,
kWindowInit,
kDone
};
typedef unsigned char uch;
typedef unsigned short ush;
typedef unsigned long ulg;
typedef struct _mainprog_info {
double display_exponent;
ulg width;
ulg height;
void *png_ptr;
void *info_ptr;
void (*mainprog_init)(void);
void (*mainprog_display_row)(ulg row_num);
void (*mainprog_finish_display)(void);
uch *image_data;
uch **row_pointers;
jmp_buf jmpbuf;
int passes; /* not used */
int pass;
int rowbytes;
int channels;
int need_bgcolor;
int state;
uch bg_red;
uch bg_green;
uch bg_blue;
} mainprog_info;
/* prototypes for public functions in readpng2.c */
void readpng2_version_info(void);
int readpng2_check_sig(uch *sig, int num);
int readpng2_init(mainprog_info *mainprog_ptr);
int readpng2_decode_data(mainprog_info *mainprog_ptr, uch *rawbuf, ulg length);
void readpng2_cleanup(mainprog_info *mainprog_ptr);

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/*---------------------------------------------------------------------------
rpng - simple PNG display program readppm.c
---------------------------------------------------------------------------
This is a special-purpose replacement for readpng.c that allows binary
PPM files to be used in place of PNG images.
---------------------------------------------------------------------------
Copyright (c) 1998-2007 Greg Roelofs. All rights reserved.
This software is provided "as is," without warranty of any kind,
express or implied. In no event shall the author or contributors
be held liable for any damages arising in any way from the use of
this software.
The contents of this file are DUAL-LICENSED. You may modify and/or
redistribute this software according to the terms of one of the
following two licenses (at your option):
LICENSE 1 ("BSD-like with advertising clause"):
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute
it freely, subject to the following restrictions:
1. Redistributions of source code must retain the above copyright
notice, disclaimer, and this list of conditions.
2. Redistributions in binary form must reproduce the above copyright
notice, disclaimer, and this list of conditions in the documenta-
tion and/or other materials provided with the distribution.
3. All advertising materials mentioning features or use of this
software must display the following acknowledgment:
This product includes software developed by Greg Roelofs
and contributors for the book, "PNG: The Definitive Guide,"
published by O'Reilly and Associates.
LICENSE 2 (GNU GPL v2 or later):
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software Foundation,
Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
---------------------------------------------------------------------------*/
#include <stdio.h>
#include <stdlib.h>
#include "readpng.h" /* typedefs, common macros, public prototypes */
ulg width, height;
int bit_depth, color_type, channels;
uch *image_data = NULL;
FILE *saved_infile;
void readpng_version_info()
{
fprintf(stderr, " Compiled without libpng, zlib or PBMPLUS/NetPBM.\n");
}
/* return value = 0 for success, 1 for bad sig, 2 for bad IHDR, 4 for no mem */
int readpng_init(FILE *infile, ulg *pWidth, ulg *pHeight)
{
static uch ppmline[256];
int maxval;
saved_infile = infile;
fgets(ppmline, 256, infile);
if (ppmline[0] != 'P' || ppmline[1] != '6') {
fprintf(stderr, "ERROR: not a PPM file\n");
return 1;
}
/* possible color types: P5 = grayscale (0), P6 = RGB (2), P8 = RGBA (6) */
if (ppmline[1] == '6') {
color_type = 2;
channels = 3;
} else if (ppmline[1] == '8') {
color_type = 6;
channels = 4;
} else /* if (ppmline[1] == '5') */ {
color_type = 0;
channels = 1;
}
do {
fgets(ppmline, 256, infile);
} while (ppmline[0] == '#');
sscanf(ppmline, "%lu %lu", &width, &height);
do {
fgets(ppmline, 256, infile);
} while (ppmline[0] == '#');
sscanf(ppmline, "%d", &maxval);
if (maxval != 255) {
fprintf(stderr, "ERROR: maxval = %d\n", maxval);
return 2;
}
bit_depth = 8;
*pWidth = width;
*pHeight = height;
return 0;
}
/* returns 0 if succeeds, 1 if fails due to no bKGD chunk, 2 if libpng error;
* scales values to 8-bit if necessary */
int readpng_get_bgcolor(uch *red, uch *green, uch *blue)
{
return 1;
}
/* display_exponent == LUT_exponent * CRT_exponent */
uch *readpng_get_image(double display_exponent, int *pChannels, ulg *pRowbytes)
{
ulg rowbytes;
/* expand palette images to RGB, low-bit-depth grayscale images to 8 bits,
* transparency chunks to full alpha channel; strip 16-bit-per-sample
* images to 8 bits per sample; and convert grayscale to RGB[A] */
/* GRR WARNING: grayscale needs to be expanded and channels reset! */
*pRowbytes = rowbytes = channels*width;
*pChannels = channels;
if ((image_data = (uch *)malloc(rowbytes*height)) == NULL) {
return NULL;
}
Trace((stderr, "readpng_get_image: rowbytes = %ld, height = %ld\n", rowbytes, height));
/* now we can go ahead and just read the whole image */
fread(image_data, 1L, rowbytes*height, saved_infile);
return image_data;
}
void readpng_cleanup(int free_image_data)
{
if (free_image_data && image_data) {
free(image_data);
image_data = NULL;
}
}

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/*---------------------------------------------------------------------------
rpng - simple PNG display program rpng-win.c
This program decodes and displays PNG images, with gamma correction and
optionally with a user-specified background color (in case the image has
transparency). It is very nearly the most basic PNG viewer possible.
This version is for 32-bit Windows; it may compile under 16-bit Windows
with a little tweaking (or maybe not).
to do:
- handle quoted command-line args (especially filenames with spaces)
- have minimum window width: oh well
- use %.1023s to simplify truncation of title-bar string?
---------------------------------------------------------------------------
Changelog:
- 1.00: initial public release
- 1.01: modified to allow abbreviated options; fixed long/ulong mis-
match; switched to png_jmpbuf() macro
- 1.02: added extra set of parentheses to png_jmpbuf() macro; fixed
command-line parsing bug
- 1.10: enabled "message window"/console (thanks to David Geldreich)
- 2.00: dual-licensed (added GNU GPL)
- 2.01: fixed improper display of usage screen on PNG error(s)
---------------------------------------------------------------------------
Copyright (c) 1998-2008 Greg Roelofs. All rights reserved.
This software is provided "as is," without warranty of any kind,
express or implied. In no event shall the author or contributors
be held liable for any damages arising in any way from the use of
this software.
The contents of this file are DUAL-LICENSED. You may modify and/or
redistribute this software according to the terms of one of the
following two licenses (at your option):
LICENSE 1 ("BSD-like with advertising clause"):
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute
it freely, subject to the following restrictions:
1. Redistributions of source code must retain the above copyright
notice, disclaimer, and this list of conditions.
2. Redistributions in binary form must reproduce the above copyright
notice, disclaimer, and this list of conditions in the documenta-
tion and/or other materials provided with the distribution.
3. All advertising materials mentioning features or use of this
software must display the following acknowledgment:
This product includes software developed by Greg Roelofs
and contributors for the book, "PNG: The Definitive Guide,"
published by O'Reilly and Associates.
LICENSE 2 (GNU GPL v2 or later):
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software Foundation,
Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
---------------------------------------------------------------------------*/
#define PROGNAME "rpng-win"
#define LONGNAME "Simple PNG Viewer for Windows"
#define VERSION "2.01 of 16 March 2008"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <windows.h>
#ifdef __CYGWIN__
/* getch replacement. Turns out, we don't really need this,
* but leave it here if we ever enable any of the uses of
* _getch in the main code
*/
#include <unistd.h>
#include <termio.h>
#include <sys/ioctl.h>
int repl_getch( void )
{
char ch;
int fd = fileno(stdin);
struct termio old_tty, new_tty;
ioctl(fd, TCGETA, &old_tty);
new_tty = old_tty;
new_tty.c_lflag &= ~(ICANON | ECHO | ISIG);
ioctl(fd, TCSETA, &new_tty);
fread(&ch, 1, sizeof(ch), stdin);
ioctl(fd, TCSETA, &old_tty);
return ch;
}
#define _getch repl_getch
#else
#include <conio.h> /* only for _getch() */
#endif
/* #define DEBUG : this enables the Trace() macros */
#include "readpng.h" /* typedefs, common macros, readpng prototypes */
/* could just include png.h, but this macro is the only thing we need
* (name and typedefs changed to local versions); note that side effects
* only happen with alpha (which could easily be avoided with
* "ush acopy = (alpha);") */
#define alpha_composite(composite, fg, alpha, bg) { \
ush temp = ((ush)(fg)*(ush)(alpha) + \
(ush)(bg)*(ush)(255 - (ush)(alpha)) + (ush)128); \
(composite) = (uch)((temp + (temp >> 8)) >> 8); \
}
/* local prototypes */
static int rpng_win_create_window(HINSTANCE hInst, int showmode);
static int rpng_win_display_image(void);
static void rpng_win_cleanup(void);
LRESULT CALLBACK rpng_win_wndproc(HWND, UINT, WPARAM, LPARAM);
static char titlebar[1024];
static char *progname = PROGNAME;
static char *appname = LONGNAME;
static char *filename;
static FILE *infile;
static char *bgstr;
static uch bg_red=0, bg_green=0, bg_blue=0;
static double display_exponent;
static ulg image_width, image_height, image_rowbytes;
static int image_channels;
static uch *image_data;
/* Windows-specific variables */
static ulg wimage_rowbytes;
static uch *dib;
static uch *wimage_data;
static BITMAPINFOHEADER *bmih;
static HWND global_hwnd;
int WINAPI WinMain(HINSTANCE hInst, HINSTANCE hPrevInst, PSTR cmd, int showmode)
{
char *args[1024]; /* arbitrary limit, but should suffice */
char *p, *q, **argv = args;
int argc = 0;
int rc, alen, flen;
int error = 0;
int have_bg = FALSE;
double LUT_exponent; /* just the lookup table */
double CRT_exponent = 2.2; /* just the monitor */
double default_display_exponent; /* whole display system */
MSG msg;
filename = (char *)NULL;
#ifndef __CYGWIN__
/* First reenable console output, which normally goes to the bit bucket
* for windowed apps. Closing the console window will terminate the
* app. Thanks to David.Geldreich@realviz.com for supplying the magical
* incantation. */
AllocConsole();
freopen("CONOUT$", "a", stderr);
freopen("CONOUT$", "a", stdout);
#endif
/* Next set the default value for our display-system exponent, i.e.,
* the product of the CRT exponent and the exponent corresponding to
* the frame-buffer's lookup table (LUT), if any. This is not an
* exhaustive list of LUT values (e.g., OpenStep has a lot of weird
* ones), but it should cover 99% of the current possibilities. And
* yes, these ifdefs are completely wasted in a Windows program... */
#if defined(NeXT)
LUT_exponent = 1.0 / 2.2;
/*
if (some_next_function_that_returns_gamma(&next_gamma))
LUT_exponent = 1.0 / next_gamma;
*/
#elif defined(sgi)
LUT_exponent = 1.0 / 1.7;
/* there doesn't seem to be any documented function to get the
* "gamma" value, so we do it the hard way */
infile = fopen("/etc/config/system.glGammaVal", "r");
if (infile) {
double sgi_gamma;
fgets(tmpline, 80, infile);
fclose(infile);
sgi_gamma = atof(tmpline);
if (sgi_gamma > 0.0)
LUT_exponent = 1.0 / sgi_gamma;
}
#elif defined(Macintosh)
LUT_exponent = 1.8 / 2.61;
/*
if (some_mac_function_that_returns_gamma(&mac_gamma))
LUT_exponent = mac_gamma / 2.61;
*/
#else
LUT_exponent = 1.0; /* assume no LUT: most PCs */
#endif
/* the defaults above give 1.0, 1.3, 1.5 and 2.2, respectively: */
default_display_exponent = LUT_exponent * CRT_exponent;
/* If the user has set the SCREEN_GAMMA environment variable as suggested
* (somewhat imprecisely) in the libpng documentation, use that; otherwise
* use the default value we just calculated. Either way, the user may
* override this via a command-line option. */
if ((p = getenv("SCREEN_GAMMA")) != NULL)
display_exponent = atof(p);
else
display_exponent = default_display_exponent;
/* Windows really hates command lines, so we have to set up our own argv.
* Note that we do NOT bother with quoted arguments here, so don't use
* filenames with spaces in 'em! */
argv[argc++] = PROGNAME;
p = cmd;
for (;;) {
if (*p == ' ')
while (*++p == ' ')
;
/* now p points at the first non-space after some spaces */
if (*p == '\0')
break; /* nothing after the spaces: done */
argv[argc++] = q = p;
while (*q && *q != ' ')
++q;
/* now q points at a space or the end of the string */
if (*q == '\0')
break; /* last argv already terminated; quit */
*q = '\0'; /* change space to terminator */
p = q + 1;
}
argv[argc] = NULL; /* terminate the argv array itself */
/* Now parse the command line for options and the PNG filename. */
while (*++argv && !error) {
if (!strncmp(*argv, "-gamma", 2)) {
if (!*++argv)
++error;
else {
display_exponent = atof(*argv);
if (display_exponent <= 0.0)
++error;
}
} else if (!strncmp(*argv, "-bgcolor", 2)) {
if (!*++argv)
++error;
else {
bgstr = *argv;
if (strlen(bgstr) != 7 || bgstr[0] != '#')
++error;
else
have_bg = TRUE;
}
} else {
if (**argv != '-') {
filename = *argv;
if (argv[1]) /* shouldn't be any more args after filename */
++error;
} else
++error; /* not expecting any other options */
}
}
if (!filename)
++error;
/* print usage screen if any errors up to this point */
if (error) {
#ifndef __CYGWIN__
int ch;
#endif
fprintf(stderr, "\n%s %s: %s\n\n", PROGNAME, VERSION, appname);
readpng_version_info();
fprintf(stderr, "\n"
"Usage: %s [-gamma exp] [-bgcolor bg] file.png\n"
" exp \ttransfer-function exponent (``gamma'') of the display\n"
"\t\t system in floating-point format (e.g., ``%.1f''); equal\n"
"\t\t to the product of the lookup-table exponent (varies)\n"
"\t\t and the CRT exponent (usually 2.2); must be positive\n"
" bg \tdesired background color in 7-character hex RGB format\n"
"\t\t (e.g., ``#ff7700'' for orange: same as HTML colors);\n"
"\t\t used with transparent images\n"
"\nPress Q, Esc or mouse button 1 after image is displayed to quit.\n"
#ifndef __CYGWIN__
"Press Q or Esc to quit this usage screen.\n"
#endif
"\n", PROGNAME, default_display_exponent);
#ifndef __CYGWIN__
do
ch = _getch();
while (ch != 'q' && ch != 'Q' && ch != 0x1B);
#endif
exit(1);
}
if (!(infile = fopen(filename, "rb"))) {
fprintf(stderr, PROGNAME ": can't open PNG file [%s]\n", filename);
++error;
} else {
if ((rc = readpng_init(infile, &image_width, &image_height)) != 0) {
switch (rc) {
case 1:
fprintf(stderr, PROGNAME
": [%s] is not a PNG file: incorrect signature\n",
filename);
break;
case 2:
fprintf(stderr, PROGNAME
": [%s] has bad IHDR (libpng longjmp)\n", filename);
break;
case 4:
fprintf(stderr, PROGNAME ": insufficient memory\n");
break;
default:
fprintf(stderr, PROGNAME
": unknown readpng_init() error\n");
break;
}
++error;
}
if (error)
fclose(infile);
}
if (error) {
#ifndef __CYGWIN__
int ch;
#endif
fprintf(stderr, PROGNAME ": aborting.\n");
#ifndef __CYGWIN__
do
ch = _getch();
while (ch != 'q' && ch != 'Q' && ch != 0x1B);
#endif
exit(2);
} else {
fprintf(stderr, "\n%s %s: %s\n", PROGNAME, VERSION, appname);
#ifndef __CYGWIN__
fprintf(stderr,
"\n [console window: closing this window will terminate %s]\n\n",
PROGNAME);
#endif
}
/* set the title-bar string, but make sure buffer doesn't overflow */
alen = strlen(appname);
flen = strlen(filename);
if (alen + flen + 3 > 1023)
sprintf(titlebar, "%s: ...%s", appname, filename+(alen+flen+6-1023));
else
sprintf(titlebar, "%s: %s", appname, filename);
/* if the user didn't specify a background color on the command line,
* check for one in the PNG file--if not, the initialized values of 0
* (black) will be used */
if (have_bg) {
unsigned r, g, b; /* this approach quiets compiler warnings */
sscanf(bgstr+1, "%2x%2x%2x", &r, &g, &b);
bg_red = (uch)r;
bg_green = (uch)g;
bg_blue = (uch)b;
} else if (readpng_get_bgcolor(&bg_red, &bg_green, &bg_blue) > 1) {
readpng_cleanup(TRUE);
fprintf(stderr, PROGNAME
": libpng error while checking for background color\n");
exit(2);
}
/* do the basic Windows initialization stuff, make the window and fill it
* with the background color */
if (rpng_win_create_window(hInst, showmode))
exit(2);
/* decode the image, all at once */
Trace((stderr, "calling readpng_get_image()\n"))
image_data = readpng_get_image(display_exponent, &image_channels,
&image_rowbytes);
Trace((stderr, "done with readpng_get_image()\n"))
/* done with PNG file, so clean up to minimize memory usage (but do NOT
* nuke image_data!) */
readpng_cleanup(FALSE);
fclose(infile);
if (!image_data) {
fprintf(stderr, PROGNAME ": unable to decode PNG image\n");
exit(3);
}
/* display image (composite with background if requested) */
Trace((stderr, "calling rpng_win_display_image()\n"))
if (rpng_win_display_image()) {
free(image_data);
exit(4);
}
Trace((stderr, "done with rpng_win_display_image()\n"))
/* wait for the user to tell us when to quit */
printf(
#ifndef __CYGWIN__
"Done. Press Q, Esc or mouse button 1 (within image window) to quit.\n"
#else
"Done. Press mouse button 1 (within image window) to quit.\n"
#endif
);
fflush(stdout);
while (GetMessage(&msg, NULL, 0, 0)) {
TranslateMessage(&msg);
DispatchMessage(&msg);
}
/* OK, we're done: clean up all image and Windows resources and go away */
rpng_win_cleanup();
return msg.wParam;
}
static int rpng_win_create_window(HINSTANCE hInst, int showmode)
{
uch *dest;
int extra_width, extra_height;
ulg i, j;
WNDCLASSEX wndclass;
/*---------------------------------------------------------------------------
Allocate memory for the display-specific version of the image (round up
to multiple of 4 for Windows DIB).
---------------------------------------------------------------------------*/
wimage_rowbytes = ((3*image_width + 3L) >> 2) << 2;
if (!(dib = (uch *)malloc(sizeof(BITMAPINFOHEADER) +
wimage_rowbytes*image_height)))
{
return 4; /* fail */
}
/*---------------------------------------------------------------------------
Initialize the DIB. Negative height means to use top-down BMP ordering
(must be uncompressed, but that's what we want). Bit count of 1, 4 or 8
implies a colormap of RGBX quads, but 24-bit BMPs just use B,G,R values
directly => wimage_data begins immediately after BMP header.
---------------------------------------------------------------------------*/
memset(dib, 0, sizeof(BITMAPINFOHEADER));
bmih = (BITMAPINFOHEADER *)dib;
bmih->biSize = sizeof(BITMAPINFOHEADER);
bmih->biWidth = image_width;
bmih->biHeight = -((long)image_height);
bmih->biPlanes = 1;
bmih->biBitCount = 24;
bmih->biCompression = 0;
wimage_data = dib + sizeof(BITMAPINFOHEADER);
/*---------------------------------------------------------------------------
Fill in background color (black by default); data are in BGR order.
---------------------------------------------------------------------------*/
for (j = 0; j < image_height; ++j) {
dest = wimage_data + j*wimage_rowbytes;
for (i = image_width; i > 0; --i) {
*dest++ = bg_blue;
*dest++ = bg_green;
*dest++ = bg_red;
}
}
/*---------------------------------------------------------------------------
Set the window parameters.
---------------------------------------------------------------------------*/
memset(&wndclass, 0, sizeof(wndclass));
wndclass.cbSize = sizeof(wndclass);
wndclass.style = CS_HREDRAW | CS_VREDRAW;
wndclass.lpfnWndProc = rpng_win_wndproc;
wndclass.hInstance = hInst;
wndclass.hIcon = LoadIcon(NULL, IDI_APPLICATION);
wndclass.hCursor = LoadCursor(NULL, IDC_ARROW);
wndclass.hbrBackground = (HBRUSH)GetStockObject(DKGRAY_BRUSH);
wndclass.lpszMenuName = NULL;
wndclass.lpszClassName = progname;
wndclass.hIconSm = LoadIcon(NULL, IDI_APPLICATION);
RegisterClassEx(&wndclass);
/*---------------------------------------------------------------------------
Finally, create the window.
---------------------------------------------------------------------------*/
extra_width = 2*(GetSystemMetrics(SM_CXBORDER) +
GetSystemMetrics(SM_CXDLGFRAME));
extra_height = 2*(GetSystemMetrics(SM_CYBORDER) +
GetSystemMetrics(SM_CYDLGFRAME)) +
GetSystemMetrics(SM_CYCAPTION);
global_hwnd = CreateWindow(progname, titlebar, WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT, CW_USEDEFAULT, image_width+extra_width,
image_height+extra_height, NULL, NULL, hInst, NULL);
ShowWindow(global_hwnd, showmode);
UpdateWindow(global_hwnd);
return 0;
} /* end function rpng_win_create_window() */
static int rpng_win_display_image()
{
uch *src, *dest;
uch r, g, b, a;
ulg i, row, lastrow;
RECT rect;
Trace((stderr, "beginning display loop (image_channels == %d)\n",
image_channels))
Trace((stderr, "(width = %ld, rowbytes = %ld, wimage_rowbytes = %d)\n",
image_width, image_rowbytes, wimage_rowbytes))
/*---------------------------------------------------------------------------
Blast image data to buffer. This whole routine takes place before the
message loop begins, so there's no real point in any pseudo-progressive
display...
---------------------------------------------------------------------------*/
for (lastrow = row = 0; row < image_height; ++row) {
src = image_data + row*image_rowbytes;
dest = wimage_data + row*wimage_rowbytes;
if (image_channels == 3) {
for (i = image_width; i > 0; --i) {
r = *src++;
g = *src++;
b = *src++;
*dest++ = b;
*dest++ = g; /* note reverse order */
*dest++ = r;
}
} else /* if (image_channels == 4) */ {
for (i = image_width; i > 0; --i) {
r = *src++;
g = *src++;
b = *src++;
a = *src++;
if (a == 255) {
*dest++ = b;
*dest++ = g;
*dest++ = r;
} else if (a == 0) {
*dest++ = bg_blue;
*dest++ = bg_green;
*dest++ = bg_red;
} else {
/* this macro (copied from png.h) composites the
* foreground and background values and puts the
* result into the first argument; there are no
* side effects with the first argument */
alpha_composite(*dest++, b, a, bg_blue);
alpha_composite(*dest++, g, a, bg_green);
alpha_composite(*dest++, r, a, bg_red);
}
}
}
/* display after every 16 lines */
if (((row+1) & 0xf) == 0) {
rect.left = 0L;
rect.top = (LONG)lastrow;
rect.right = (LONG)image_width; /* possibly off by one? */
rect.bottom = (LONG)lastrow + 16L; /* possibly off by one? */
InvalidateRect(global_hwnd, &rect, FALSE);
UpdateWindow(global_hwnd); /* similar to XFlush() */
lastrow = row + 1;
}
}
Trace((stderr, "calling final image-flush routine\n"))
if (lastrow < image_height) {
rect.left = 0L;
rect.top = (LONG)lastrow;
rect.right = (LONG)image_width; /* possibly off by one? */
rect.bottom = (LONG)image_height; /* possibly off by one? */
InvalidateRect(global_hwnd, &rect, FALSE);
UpdateWindow(global_hwnd); /* similar to XFlush() */
}
/*
last param determines whether or not background is wiped before paint
InvalidateRect(global_hwnd, NULL, TRUE);
UpdateWindow(global_hwnd);
*/
return 0;
}
static void rpng_win_cleanup()
{
if (image_data) {
free(image_data);
image_data = NULL;
}
if (dib) {
free(dib);
dib = NULL;
}
}
LRESULT CALLBACK rpng_win_wndproc(HWND hwnd, UINT iMsg, WPARAM wP, LPARAM lP)
{
HDC hdc;
PAINTSTRUCT ps;
int rc;
switch (iMsg) {
case WM_CREATE:
/* one-time processing here, if any */
return 0;
case WM_PAINT:
hdc = BeginPaint(hwnd, &ps);
/* dest */
rc = StretchDIBits(hdc, 0, 0, image_width, image_height,
/* source */
0, 0, image_width, image_height,
wimage_data, (BITMAPINFO *)bmih,
/* iUsage: no clue */
0, SRCCOPY);
EndPaint(hwnd, &ps);
return 0;
/* wait for the user to tell us when to quit */
case WM_CHAR:
switch (wP) { /* only need one, so ignore repeat count */
case 'q':
case 'Q':
case 0x1B: /* Esc key */
PostQuitMessage(0);
}
return 0;
case WM_LBUTTONDOWN: /* another way of quitting */
case WM_DESTROY:
PostQuitMessage(0);
return 0;
}
return DefWindowProc(hwnd, iMsg, wP, lP);
}

904
Source/3rdParty/png/contrib/gregbook/rpng-x.c vendored Normal file
View File

@ -0,0 +1,904 @@
/*---------------------------------------------------------------------------
rpng - simple PNG display program rpng-x.c
This program decodes and displays PNG images, with gamma correction and
optionally with a user-specified background color (in case the image has
transparency). It is very nearly the most basic PNG viewer possible.
This version is for the X Window System (tested by author under Unix and
by Martin Zinser under OpenVMS; may work under OS/2 with some tweaking).
to do:
- 8-bit (colormapped) X support
- use %.1023s to simplify truncation of title-bar string?
---------------------------------------------------------------------------
Changelog:
- 1.01: initial public release
- 1.02: modified to allow abbreviated options; fixed long/ulong mis-
match; switched to png_jmpbuf() macro
- 1.10: added support for non-default visuals; fixed X pixel-conversion
- 1.11: added extra set of parentheses to png_jmpbuf() macro; fixed
command-line parsing bug
- 1.12: fixed some small X memory leaks (thanks to François Petitjean)
- 1.13: fixed XFreeGC() crash bug (thanks to Patrick Welche)
- 1.14: added support for X resources (thanks to Gerhard Niklasch)
- 2.00: dual-licensed (added GNU GPL)
- 2.01: fixed improper display of usage screen on PNG error(s)
---------------------------------------------------------------------------
Copyright (c) 1998-2008 Greg Roelofs. All rights reserved.
This software is provided "as is," without warranty of any kind,
express or implied. In no event shall the author or contributors
be held liable for any damages arising in any way from the use of
this software.
The contents of this file are DUAL-LICENSED. You may modify and/or
redistribute this software according to the terms of one of the
following two licenses (at your option):
LICENSE 1 ("BSD-like with advertising clause"):
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute
it freely, subject to the following restrictions:
1. Redistributions of source code must retain the above copyright
notice, disclaimer, and this list of conditions.
2. Redistributions in binary form must reproduce the above copyright
notice, disclaimer, and this list of conditions in the documenta-
tion and/or other materials provided with the distribution.
3. All advertising materials mentioning features or use of this
software must display the following acknowledgment:
This product includes software developed by Greg Roelofs
and contributors for the book, "PNG: The Definitive Guide,"
published by O'Reilly and Associates.
LICENSE 2 (GNU GPL v2 or later):
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software Foundation,
Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
---------------------------------------------------------------------------*/
#define PROGNAME "rpng-x"
#define LONGNAME "Simple PNG Viewer for X"
#define VERSION "2.01 of 16 March 2008"
#define RESNAME "rpng" /* our X resource application name */
#define RESCLASS "Rpng" /* our X resource class name */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/Xos.h>
#include <X11/keysym.h>
/* #define DEBUG : this enables the Trace() macros */
#include "readpng.h" /* typedefs, common macros, readpng prototypes */
/* could just include png.h, but this macro is the only thing we need
* (name and typedefs changed to local versions); note that side effects
* only happen with alpha (which could easily be avoided with
* "ush acopy = (alpha);") */
#define alpha_composite(composite, fg, alpha, bg) { \
ush temp = ((ush)(fg)*(ush)(alpha) + \
(ush)(bg)*(ush)(255 - (ush)(alpha)) + (ush)128); \
(composite) = (uch)((temp + (temp >> 8)) >> 8); \
}
/* local prototypes */
static int rpng_x_create_window(void);
static int rpng_x_display_image(void);
static void rpng_x_cleanup(void);
static int rpng_x_msb(ulg u32val);
static char titlebar[1024], *window_name = titlebar;
static char *appname = LONGNAME;
static char *icon_name = PROGNAME;
static char *res_name = RESNAME;
static char *res_class = RESCLASS;
static char *filename;
static FILE *infile;
static char *bgstr;
static uch bg_red=0, bg_green=0, bg_blue=0;
static double display_exponent;
static ulg image_width, image_height, image_rowbytes;
static int image_channels;
static uch *image_data;
/* X-specific variables */
static char *displayname;
static XImage *ximage;
static Display *display;
static int depth;
static Visual *visual;
static XVisualInfo *visual_list;
static int RShift, GShift, BShift;
static ulg RMask, GMask, BMask;
static Window window;
static GC gc;
static Colormap colormap;
static int have_nondefault_visual = FALSE;
static int have_colormap = FALSE;
static int have_window = FALSE;
static int have_gc = FALSE;
/*
ulg numcolors=0, pixels[256];
ush reds[256], greens[256], blues[256];
*/
int main(int argc, char **argv)
{
#ifdef sgi
char tmpline[80];
#endif
char *p;
int rc, alen, flen;
int error = 0;
int have_bg = FALSE;
double LUT_exponent; /* just the lookup table */
double CRT_exponent = 2.2; /* just the monitor */
double default_display_exponent; /* whole display system */
XEvent e;
KeySym k;
displayname = (char *)NULL;
filename = (char *)NULL;
/* First set the default value for our display-system exponent, i.e.,
* the product of the CRT exponent and the exponent corresponding to
* the frame-buffer's lookup table (LUT), if any. This is not an
* exhaustive list of LUT values (e.g., OpenStep has a lot of weird
* ones), but it should cover 99% of the current possibilities. */
#if defined(NeXT)
LUT_exponent = 1.0 / 2.2;
/*
if (some_next_function_that_returns_gamma(&next_gamma))
LUT_exponent = 1.0 / next_gamma;
*/
#elif defined(sgi)
LUT_exponent = 1.0 / 1.7;
/* there doesn't seem to be any documented function to get the
* "gamma" value, so we do it the hard way */
infile = fopen("/etc/config/system.glGammaVal", "r");
if (infile) {
double sgi_gamma;
fgets(tmpline, 80, infile);
fclose(infile);
sgi_gamma = atof(tmpline);
if (sgi_gamma > 0.0)
LUT_exponent = 1.0 / sgi_gamma;
}
#elif defined(Macintosh)
LUT_exponent = 1.8 / 2.61;
/*
if (some_mac_function_that_returns_gamma(&mac_gamma))
LUT_exponent = mac_gamma / 2.61;
*/
#else
LUT_exponent = 1.0; /* assume no LUT: most PCs */
#endif
/* the defaults above give 1.0, 1.3, 1.5 and 2.2, respectively: */
default_display_exponent = LUT_exponent * CRT_exponent;
/* If the user has set the SCREEN_GAMMA environment variable as suggested
* (somewhat imprecisely) in the libpng documentation, use that; otherwise
* use the default value we just calculated. Either way, the user may
* override this via a command-line option. */
if ((p = getenv("SCREEN_GAMMA")) != NULL)
display_exponent = atof(p);
else
display_exponent = default_display_exponent;
/* Now parse the command line for options and the PNG filename. */
while (*++argv && !error) {
if (!strncmp(*argv, "-display", 2)) {
if (!*++argv)
++error;
else
displayname = *argv;
} else if (!strncmp(*argv, "-gamma", 2)) {
if (!*++argv)
++error;
else {
display_exponent = atof(*argv);
if (display_exponent <= 0.0)
++error;
}
} else if (!strncmp(*argv, "-bgcolor", 2)) {
if (!*++argv)
++error;
else {
bgstr = *argv;
if (strlen(bgstr) != 7 || bgstr[0] != '#')
++error;
else
have_bg = TRUE;
}
} else {
if (**argv != '-') {
filename = *argv;
if (argv[1]) /* shouldn't be any more args after filename */
++error;
} else
++error; /* not expecting any other options */
}
}
if (!filename)
++error;
/* print usage screen if any errors up to this point */
if (error) {
fprintf(stderr, "\n%s %s: %s\n", PROGNAME, VERSION, appname);
readpng_version_info();
fprintf(stderr, "\n"
"Usage: %s [-display xdpy] [-gamma exp] [-bgcolor bg] file.png\n"
" xdpy\tname of the target X display (e.g., ``hostname:0'')\n"
" exp \ttransfer-function exponent (``gamma'') of the display\n"
"\t\t system in floating-point format (e.g., ``%.1f''); equal\n"
"\t\t to the product of the lookup-table exponent (varies)\n"
"\t\t and the CRT exponent (usually 2.2); must be positive\n"
" bg \tdesired background color in 7-character hex RGB format\n"
"\t\t (e.g., ``#ff7700'' for orange: same as HTML colors);\n"
"\t\t used with transparent images\n"
"\nPress Q, Esc or mouse button 1 (within image window, after image\n"
"is displayed) to quit.\n"
"\n", PROGNAME, default_display_exponent);
exit(1);
}
if (!(infile = fopen(filename, "rb"))) {
fprintf(stderr, PROGNAME ": can't open PNG file [%s]\n", filename);
++error;
} else {
if ((rc = readpng_init(infile, &image_width, &image_height)) != 0) {
switch (rc) {
case 1:
fprintf(stderr, PROGNAME
": [%s] is not a PNG file: incorrect signature\n",
filename);
break;
case 2:
fprintf(stderr, PROGNAME
": [%s] has bad IHDR (libpng longjmp)\n", filename);
break;
case 4:
fprintf(stderr, PROGNAME ": insufficient memory\n");
break;
default:
fprintf(stderr, PROGNAME
": unknown readpng_init() error\n");
break;
}
++error;
} else {
display = XOpenDisplay(displayname);
if (!display) {
readpng_cleanup(TRUE);
fprintf(stderr, PROGNAME ": can't open X display [%s]\n",
displayname? displayname : "default");
++error;
}
}
if (error)
fclose(infile);
}
if (error) {
fprintf(stderr, PROGNAME ": aborting.\n");
exit(2);
}
/* set the title-bar string, but make sure buffer doesn't overflow */
alen = strlen(appname);
flen = strlen(filename);
if (alen + flen + 3 > 1023)
sprintf(titlebar, "%s: ...%s", appname, filename+(alen+flen+6-1023));
else
sprintf(titlebar, "%s: %s", appname, filename);
/* if the user didn't specify a background color on the command line,
* check for one in the PNG file--if not, the initialized values of 0
* (black) will be used */
if (have_bg) {
unsigned r, g, b; /* this approach quiets compiler warnings */
sscanf(bgstr+1, "%2x%2x%2x", &r, &g, &b);
bg_red = (uch)r;
bg_green = (uch)g;
bg_blue = (uch)b;
} else if (readpng_get_bgcolor(&bg_red, &bg_green, &bg_blue) > 1) {
readpng_cleanup(TRUE);
fprintf(stderr, PROGNAME
": libpng error while checking for background color\n");
exit(2);
}
/* do the basic X initialization stuff, make the window and fill it
* with the background color */
if (rpng_x_create_window())
exit(2);
/* decode the image, all at once */
Trace((stderr, "calling readpng_get_image()\n"))
image_data = readpng_get_image(display_exponent, &image_channels,
&image_rowbytes);
Trace((stderr, "done with readpng_get_image()\n"))
/* done with PNG file, so clean up to minimize memory usage (but do NOT
* nuke image_data!) */
readpng_cleanup(FALSE);
fclose(infile);
if (!image_data) {
fprintf(stderr, PROGNAME ": unable to decode PNG image\n");
exit(3);
}
/* display image (composite with background if requested) */
Trace((stderr, "calling rpng_x_display_image()\n"))
if (rpng_x_display_image()) {
free(image_data);
exit(4);
}
Trace((stderr, "done with rpng_x_display_image()\n"))
/* wait for the user to tell us when to quit */
printf(
"Done. Press Q, Esc or mouse button 1 (within image window) to quit.\n");
fflush(stdout);
do
XNextEvent(display, &e);
while (!(e.type == ButtonPress && e.xbutton.button == Button1) &&
!(e.type == KeyPress && /* v--- or 1 for shifted keys */
((k = XLookupKeysym(&e.xkey, 0)) == XK_q || k == XK_Escape) ));
/* OK, we're done: clean up all image and X resources and go away */
rpng_x_cleanup();
return 0;
}
static int rpng_x_create_window(void)
{
uch *xdata;
int need_colormap = FALSE;
int screen, pad;
ulg bg_pixel = 0L;
ulg attrmask;
Window root;
XEvent e;
XGCValues gcvalues;
XSetWindowAttributes attr;
XTextProperty windowName, *pWindowName = &windowName;
XTextProperty iconName, *pIconName = &iconName;
XVisualInfo visual_info;
XSizeHints *size_hints;
XWMHints *wm_hints;
XClassHint *class_hints;
screen = DefaultScreen(display);
depth = DisplayPlanes(display, screen);
root = RootWindow(display, screen);
#ifdef DEBUG
XSynchronize(display, True);
#endif
#if 0
/* GRR: add 8-bit support */
if (/* depth != 8 && */ depth != 16 && depth != 24 && depth != 32) {
fprintf(stderr,
"screen depth %d not supported (only 16-, 24- or 32-bit TrueColor)\n",
depth);
return 2;
}
XMatchVisualInfo(display, screen, depth,
(depth == 8)? PseudoColor : TrueColor, &visual_info);
visual = visual_info.visual;
#else
if (depth != 16 && depth != 24 && depth != 32) {
int visuals_matched = 0;
Trace((stderr, "default depth is %d: checking other visuals\n",
depth))
/* 24-bit first */
visual_info.screen = screen;
visual_info.depth = 24;
visual_list = XGetVisualInfo(display,
VisualScreenMask | VisualDepthMask, &visual_info, &visuals_matched);
if (visuals_matched == 0) {
/* GRR: add 15-, 16- and 32-bit TrueColor visuals (also DirectColor?) */
fprintf(stderr, "default screen depth %d not supported, and no"
" 24-bit visuals found\n", depth);
return 2;
}
Trace((stderr, "XGetVisualInfo() returned %d 24-bit visuals\n",
visuals_matched))
visual = visual_list[0].visual;
depth = visual_list[0].depth;
/*
colormap_size = visual_list[0].colormap_size;
visual_class = visual->class;
visualID = XVisualIDFromVisual(visual);
*/
have_nondefault_visual = TRUE;
need_colormap = TRUE;
} else {
XMatchVisualInfo(display, screen, depth, TrueColor, &visual_info);
visual = visual_info.visual;
}
#endif
RMask = visual->red_mask;
GMask = visual->green_mask;
BMask = visual->blue_mask;
/* GRR: add/check 8-bit support */
if (depth == 8 || need_colormap) {
colormap = XCreateColormap(display, root, visual, AllocNone);
if (!colormap) {
fprintf(stderr, "XCreateColormap() failed\n");
return 2;
}
have_colormap = TRUE;
}
if (depth == 15 || depth == 16) {
RShift = 15 - rpng_x_msb(RMask); /* these are right-shifts */
GShift = 15 - rpng_x_msb(GMask);
BShift = 15 - rpng_x_msb(BMask);
} else if (depth > 16) {
#define NO_24BIT_MASKS
#ifdef NO_24BIT_MASKS
RShift = rpng_x_msb(RMask) - 7; /* these are left-shifts */
GShift = rpng_x_msb(GMask) - 7;
BShift = rpng_x_msb(BMask) - 7;
#else
RShift = 7 - rpng_x_msb(RMask); /* these are right-shifts, too */
GShift = 7 - rpng_x_msb(GMask);
BShift = 7 - rpng_x_msb(BMask);
#endif
}
if (depth >= 15 && (RShift < 0 || GShift < 0 || BShift < 0)) {
fprintf(stderr, "rpng internal logic error: negative X shift(s)!\n");
return 2;
}
/*---------------------------------------------------------------------------
Finally, create the window.
---------------------------------------------------------------------------*/
attr.backing_store = Always;
attr.event_mask = ExposureMask | KeyPressMask | ButtonPressMask;
attrmask = CWBackingStore | CWEventMask;
if (have_nondefault_visual) {
attr.colormap = colormap;
attr.background_pixel = 0;
attr.border_pixel = 1;
attrmask |= CWColormap | CWBackPixel | CWBorderPixel;
}
window = XCreateWindow(display, root, 0, 0, image_width, image_height, 0,
depth, InputOutput, visual, attrmask, &attr);
if (window == None) {
fprintf(stderr, "XCreateWindow() failed\n");
return 2;
} else
have_window = TRUE;
if (depth == 8)
XSetWindowColormap(display, window, colormap);
if (!XStringListToTextProperty(&window_name, 1, pWindowName))
pWindowName = NULL;
if (!XStringListToTextProperty(&icon_name, 1, pIconName))
pIconName = NULL;
/* OK if any hints allocation fails; XSetWMProperties() allows NULLs */
if ((size_hints = XAllocSizeHints()) != NULL) {
/* window will not be resizable */
size_hints->flags = PMinSize | PMaxSize;
size_hints->min_width = size_hints->max_width = (int)image_width;
size_hints->min_height = size_hints->max_height = (int)image_height;
}
if ((wm_hints = XAllocWMHints()) != NULL) {
wm_hints->initial_state = NormalState;
wm_hints->input = True;
/* wm_hints->icon_pixmap = icon_pixmap; */
wm_hints->flags = StateHint | InputHint /* | IconPixmapHint */ ;
}
if ((class_hints = XAllocClassHint()) != NULL) {
class_hints->res_name = res_name;
class_hints->res_class = res_class;
}
XSetWMProperties(display, window, pWindowName, pIconName, NULL, 0,
size_hints, wm_hints, class_hints);
/* various properties and hints no longer needed; free memory */
if (pWindowName)
XFree(pWindowName->value);
if (pIconName)
XFree(pIconName->value);
if (size_hints)
XFree(size_hints);
if (wm_hints)
XFree(wm_hints);
if (class_hints)
XFree(class_hints);
XMapWindow(display, window);
gc = XCreateGC(display, window, 0, &gcvalues);
have_gc = TRUE;
/*---------------------------------------------------------------------------
Fill window with the specified background color.
---------------------------------------------------------------------------*/
if (depth == 24 || depth == 32) {
bg_pixel = ((ulg)bg_red << RShift) |
((ulg)bg_green << GShift) |
((ulg)bg_blue << BShift);
} else if (depth == 16) {
bg_pixel = ((((ulg)bg_red << 8) >> RShift) & RMask) |
((((ulg)bg_green << 8) >> GShift) & GMask) |
((((ulg)bg_blue << 8) >> BShift) & BMask);
} else /* depth == 8 */ {
/* GRR: add 8-bit support */
}
XSetForeground(display, gc, bg_pixel);
XFillRectangle(display, window, gc, 0, 0, image_width, image_height);
/*---------------------------------------------------------------------------
Wait for first Expose event to do any drawing, then flush.
---------------------------------------------------------------------------*/
do
XNextEvent(display, &e);
while (e.type != Expose || e.xexpose.count);
XFlush(display);
/*---------------------------------------------------------------------------
Allocate memory for the X- and display-specific version of the image.
---------------------------------------------------------------------------*/
if (depth == 24 || depth == 32) {
xdata = (uch *)malloc(4*image_width*image_height);
pad = 32;
} else if (depth == 16) {
xdata = (uch *)malloc(2*image_width*image_height);
pad = 16;
} else /* depth == 8 */ {
xdata = (uch *)malloc(image_width*image_height);
pad = 8;
}
if (!xdata) {
fprintf(stderr, PROGNAME ": unable to allocate image memory\n");
return 4;
}
ximage = XCreateImage(display, visual, depth, ZPixmap, 0,
(char *)xdata, image_width, image_height, pad, 0);
if (!ximage) {
fprintf(stderr, PROGNAME ": XCreateImage() failed\n");
free(xdata);
return 3;
}
/* to avoid testing the byte order every pixel (or doubling the size of
* the drawing routine with a giant if-test), we arbitrarily set the byte
* order to MSBFirst and let Xlib worry about inverting things on little-
* endian machines (like Linux/x86, old VAXen, etc.)--this is not the most
* efficient approach (the giant if-test would be better), but in the
* interest of clarity, we take the easy way out... */
ximage->byte_order = MSBFirst;
return 0;
} /* end function rpng_x_create_window() */
static int rpng_x_display_image(void)
{
uch *src;
char *dest;
uch r, g, b, a;
ulg i, row, lastrow = 0;
ulg pixel;
int ximage_rowbytes = ximage->bytes_per_line;
/* int bpp = ximage->bits_per_pixel; */
Trace((stderr, "beginning display loop (image_channels == %d)\n",
image_channels))
Trace((stderr, " (width = %ld, rowbytes = %ld, ximage_rowbytes = %d)\n",
image_width, image_rowbytes, ximage_rowbytes))
Trace((stderr, " (bpp = %d)\n", ximage->bits_per_pixel))
Trace((stderr, " (byte_order = %s)\n", ximage->byte_order == MSBFirst?
"MSBFirst" : (ximage->byte_order == LSBFirst? "LSBFirst" : "unknown")))
if (depth == 24 || depth == 32) {
ulg red, green, blue;
for (lastrow = row = 0; row < image_height; ++row) {
src = image_data + row*image_rowbytes;
dest = ximage->data + row*ximage_rowbytes;
if (image_channels == 3) {
for (i = image_width; i > 0; --i) {
red = *src++;
green = *src++;
blue = *src++;
#ifdef NO_24BIT_MASKS
pixel = (red << RShift) |
(green << GShift) |
(blue << BShift);
/* recall that we set ximage->byte_order = MSBFirst above */
/* GRR BUG: this assumes bpp == 32, but may be 24: */
*dest++ = (char)((pixel >> 24) & 0xff);
*dest++ = (char)((pixel >> 16) & 0xff);
*dest++ = (char)((pixel >> 8) & 0xff);
*dest++ = (char)( pixel & 0xff);
#else
red = (RShift < 0)? red << (-RShift) : red >> RShift;
green = (GShift < 0)? green << (-GShift) : green >> GShift;
blue = (BShift < 0)? blue << (-BShift) : blue >> BShift;
pixel = (red & RMask) | (green & GMask) | (blue & BMask);
/* recall that we set ximage->byte_order = MSBFirst above */
*dest++ = (char)((pixel >> 24) & 0xff);
*dest++ = (char)((pixel >> 16) & 0xff);
*dest++ = (char)((pixel >> 8) & 0xff);
*dest++ = (char)( pixel & 0xff);
#endif
}
} else /* if (image_channels == 4) */ {
for (i = image_width; i > 0; --i) {
r = *src++;
g = *src++;
b = *src++;
a = *src++;
if (a == 255) {
red = r;
green = g;
blue = b;
} else if (a == 0) {
red = bg_red;
green = bg_green;
blue = bg_blue;
} else {
/* this macro (from png.h) composites the foreground
* and background values and puts the result into the
* first argument */
alpha_composite(red, r, a, bg_red);
alpha_composite(green, g, a, bg_green);
alpha_composite(blue, b, a, bg_blue);
}
pixel = (red << RShift) |
(green << GShift) |
(blue << BShift);
/* recall that we set ximage->byte_order = MSBFirst above */
*dest++ = (char)((pixel >> 24) & 0xff);
*dest++ = (char)((pixel >> 16) & 0xff);
*dest++ = (char)((pixel >> 8) & 0xff);
*dest++ = (char)( pixel & 0xff);
}
}
/* display after every 16 lines */
if (((row+1) & 0xf) == 0) {
XPutImage(display, window, gc, ximage, 0, (int)lastrow, 0,
(int)lastrow, image_width, 16);
XFlush(display);
lastrow = row + 1;
}
}
} else if (depth == 16) {
ush red, green, blue;
for (lastrow = row = 0; row < image_height; ++row) {
src = image_data + row*image_rowbytes;
dest = ximage->data + row*ximage_rowbytes;
if (image_channels == 3) {
for (i = image_width; i > 0; --i) {
red = ((ush)(*src) << 8);
++src;
green = ((ush)(*src) << 8);
++src;
blue = ((ush)(*src) << 8);
++src;
pixel = ((red >> RShift) & RMask) |
((green >> GShift) & GMask) |
((blue >> BShift) & BMask);
/* recall that we set ximage->byte_order = MSBFirst above */
*dest++ = (char)((pixel >> 8) & 0xff);
*dest++ = (char)( pixel & 0xff);
}
} else /* if (image_channels == 4) */ {
for (i = image_width; i > 0; --i) {
r = *src++;
g = *src++;
b = *src++;
a = *src++;
if (a == 255) {
red = ((ush)r << 8);
green = ((ush)g << 8);
blue = ((ush)b << 8);
} else if (a == 0) {
red = ((ush)bg_red << 8);
green = ((ush)bg_green << 8);
blue = ((ush)bg_blue << 8);
} else {
/* this macro (from png.h) composites the foreground
* and background values and puts the result back into
* the first argument (== fg byte here: safe) */
alpha_composite(r, r, a, bg_red);
alpha_composite(g, g, a, bg_green);
alpha_composite(b, b, a, bg_blue);
red = ((ush)r << 8);
green = ((ush)g << 8);
blue = ((ush)b << 8);
}
pixel = ((red >> RShift) & RMask) |
((green >> GShift) & GMask) |
((blue >> BShift) & BMask);
/* recall that we set ximage->byte_order = MSBFirst above */
*dest++ = (char)((pixel >> 8) & 0xff);
*dest++ = (char)( pixel & 0xff);
}
}
/* display after every 16 lines */
if (((row+1) & 0xf) == 0) {
XPutImage(display, window, gc, ximage, 0, (int)lastrow, 0,
(int)lastrow, image_width, 16);
XFlush(display);
lastrow = row + 1;
}
}
} else /* depth == 8 */ {
/* GRR: add 8-bit support */
}
Trace((stderr, "calling final XPutImage()\n"))
if (lastrow < image_height) {
XPutImage(display, window, gc, ximage, 0, (int)lastrow, 0,
(int)lastrow, image_width, image_height-lastrow);
XFlush(display);
}
return 0;
}
static void rpng_x_cleanup(void)
{
if (image_data) {
free(image_data);
image_data = NULL;
}
if (ximage) {
if (ximage->data) {
free(ximage->data); /* we allocated it, so we free it */
ximage->data = (char *)NULL; /* instead of XDestroyImage() */
}
XDestroyImage(ximage);
ximage = NULL;
}
if (have_gc)
XFreeGC(display, gc);
if (have_window)
XDestroyWindow(display, window);
if (have_colormap)
XFreeColormap(display, colormap);
if (have_nondefault_visual)
XFree(visual_list);
}
static int rpng_x_msb(ulg u32val)
{
int i;
for (i = 31; i >= 0; --i) {
if (u32val & 0x80000000L)
break;
u32val <<= 1;
}
return i;
}

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/*---------------------------------------------------------------------------
wpng - simple PNG-writing program wpng.c
This program converts certain NetPBM binary files (grayscale and RGB,
maxval = 255) to PNG. Non-interlaced PNGs are written progressively;
interlaced PNGs are read and written in one memory-intensive blast.
Thanks to Jean-loup Gailly for providing the necessary trick to read
interactive text from the keyboard while stdin is redirected. Thanks
to Cosmin Truta for Cygwin fixes.
NOTE: includes provisional support for PNM type "8" (portable alphamap)
images, presumed to be a 32-bit interleaved RGBA format; no pro-
vision for possible interleaved grayscale+alpha (16-bit) format.
THIS IS UNLIKELY TO BECOME AN OFFICIAL NETPBM ALPHA FORMAT!
to do:
- delete output file if quit before calling any writepng routines
- process backspace with -text option under DOS/Win? (currently get ^H)
---------------------------------------------------------------------------
Changelog:
- 1.01: initial public release
- 1.02: modified to allow abbreviated options
- 1.03: removed extraneous character from usage screen; fixed bug in
command-line parsing
- 1.04: fixed DOS/OS2/Win32 detection, including partial Cygwin fix
(see http://home.att.net/~perlspinr/diffs/GregBook_cygwin.diff)
- 2.00: dual-licensed (added GNU GPL)
[REPORTED BUG (win32 only): "contrib/gregbook/wpng.c - cmd line
dose not work! In order to do something useful I needed to redirect
both input and output, with cygwin and with bcc32 as well. Under
Linux, the same wpng appears to work fine. I don't know what is
the problem."]
---------------------------------------------------------------------------
Copyright (c) 1998-2007 Greg Roelofs. All rights reserved.
This software is provided "as is," without warranty of any kind,
express or implied. In no event shall the author or contributors
be held liable for any damages arising in any way from the use of
this software.
The contents of this file are DUAL-LICENSED. You may modify and/or
redistribute this software according to the terms of one of the
following two licenses (at your option):
LICENSE 1 ("BSD-like with advertising clause"):
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute
it freely, subject to the following restrictions:
1. Redistributions of source code must retain the above copyright
notice, disclaimer, and this list of conditions.
2. Redistributions in binary form must reproduce the above copyright
notice, disclaimer, and this list of conditions in the documenta-
tion and/or other materials provided with the distribution.
3. All advertising materials mentioning features or use of this
software must display the following acknowledgment:
This product includes software developed by Greg Roelofs
and contributors for the book, "PNG: The Definitive Guide,"
published by O'Reilly and Associates.
LICENSE 2 (GNU GPL v2 or later):
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software Foundation,
Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
---------------------------------------------------------------------------*/
#define PROGNAME "wpng"
#define VERSION "2.00 of 2 June 2007"
#define APPNAME "Simple PGM/PPM/PAM to PNG Converter"
#if defined(__MSDOS__) || defined(__OS2__)
# define DOS_OS2_W32
#elif defined(WIN32) || defined(_WIN32) || defined(__WIN32__)
# ifndef __GNUC__ /* treat Win32 native ports of gcc as Unix environments */
# define DOS_OS2_W32
# endif
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <setjmp.h> /* for jmpbuf declaration in writepng.h */
#include <time.h>
#ifdef DOS_OS2_W32
# include <io.h> /* for isatty(), setmode() prototypes */
# include <fcntl.h> /* O_BINARY for fdopen() without text translation */
# ifdef __EMX__
# ifndef getch
# define getch() _read_kbd(0, 1, 0) /* need getche() */
# endif
# else /* !__EMX__ */
# ifdef __GO32__
# include <pc.h>
# define getch() getkey() /* GRR: need getche() */
# else
# include <conio.h> /* for getche() console input */
# endif
# endif /* ?__EMX__ */
# define FGETS(buf,len,stream) dos_kbd_gets(buf,len)
#else
# include <unistd.h> /* for isatty() prototype */
# define FGETS fgets
#endif
/* #define DEBUG : this enables the Trace() macros */
/* #define FORBID_LATIN1_CTRL : this requires the user to re-enter any
text that includes control characters discouraged by the PNG spec; text
that includes an escape character (27) must be re-entered regardless */
#include "writepng.h" /* typedefs, common macros, writepng prototypes */
/* local prototypes */
static int wpng_isvalid_latin1(uch *p, int len);
static void wpng_cleanup(void);
#ifdef DOS_OS2_W32
static char *dos_kbd_gets(char *buf, int len);
#endif
static mainprog_info wpng_info; /* lone global */
int main(int argc, char **argv)
{
#ifndef DOS_OS2_W32
FILE *keybd;
#endif
#ifdef sgi
FILE *tmpfile; /* or we could just use keybd, since no overlap */
char tmpline[80];
#endif
char *inname = NULL, outname[256];
char *p, pnmchar, pnmline[256];
char *bgstr, *textbuf = NULL;
ulg rowbytes;
int rc, len = 0;
int error = 0;
int text = FALSE;
int maxval;
double LUT_exponent; /* just the lookup table */
double CRT_exponent = 2.2; /* just the monitor */
double default_display_exponent; /* whole display system */
double default_gamma = 0.0;
wpng_info.infile = NULL;
wpng_info.outfile = NULL;
wpng_info.image_data = NULL;
wpng_info.row_pointers = NULL;
wpng_info.filter = FALSE;
wpng_info.interlaced = FALSE;
wpng_info.have_bg = FALSE;
wpng_info.have_time = FALSE;
wpng_info.have_text = 0;
wpng_info.gamma = 0.0;
/* First get the default value for our display-system exponent, i.e.,
* the product of the CRT exponent and the exponent corresponding to
* the frame-buffer's lookup table (LUT), if any. If the PNM image
* looks correct on the user's display system, its file gamma is the
* inverse of this value. (Note that this is not an exhaustive list
* of LUT values--e.g., OpenStep has a lot of weird ones--but it should
* cover 99% of the current possibilities. This section must ensure
* that default_display_exponent is positive.) */
#if defined(NeXT)
/* third-party utilities can modify the default LUT exponent */
LUT_exponent = 1.0 / 2.2;
/*
if (some_next_function_that_returns_gamma(&next_gamma))
LUT_exponent = 1.0 / next_gamma;
*/
#elif defined(sgi)
LUT_exponent = 1.0 / 1.7;
/* there doesn't seem to be any documented function to
* get the "gamma" value, so we do it the hard way */
tmpfile = fopen("/etc/config/system.glGammaVal", "r");
if (tmpfile) {
double sgi_gamma;
fgets(tmpline, 80, tmpfile);
fclose(tmpfile);
sgi_gamma = atof(tmpline);
if (sgi_gamma > 0.0)
LUT_exponent = 1.0 / sgi_gamma;
}
#elif defined(Macintosh)
LUT_exponent = 1.8 / 2.61;
/*
if (some_mac_function_that_returns_gamma(&mac_gamma))
LUT_exponent = mac_gamma / 2.61;
*/
#else
LUT_exponent = 1.0; /* assume no LUT: most PCs */
#endif
/* the defaults above give 1.0, 1.3, 1.5 and 2.2, respectively: */
default_display_exponent = LUT_exponent * CRT_exponent;
/* If the user has set the SCREEN_GAMMA environment variable as suggested
* (somewhat imprecisely) in the libpng documentation, use that; otherwise
* use the default value we just calculated. Either way, the user may
* override this via a command-line option. */
if ((p = getenv("SCREEN_GAMMA")) != NULL) {
double exponent = atof(p);
if (exponent > 0.0)
default_gamma = 1.0 / exponent;
}
if (default_gamma == 0.0)
default_gamma = 1.0 / default_display_exponent;
/* Now parse the command line for options and the PNM filename. */
while (*++argv && !error) {
if (!strncmp(*argv, "-i", 2)) {
wpng_info.interlaced = TRUE;
} else if (!strncmp(*argv, "-time", 3)) {
wpng_info.modtime = time(NULL);
wpng_info.have_time = TRUE;
} else if (!strncmp(*argv, "-text", 3)) {
text = TRUE;
} else if (!strncmp(*argv, "-gamma", 2)) {
if (!*++argv)
++error;
else {
wpng_info.gamma = atof(*argv);
if (wpng_info.gamma <= 0.0)
++error;
else if (wpng_info.gamma > 1.01)
fprintf(stderr, PROGNAME
" warning: file gammas are usually less than 1.0\n");
}
} else if (!strncmp(*argv, "-bgcolor", 4)) {
if (!*++argv)
++error;
else {
bgstr = *argv;
if (strlen(bgstr) != 7 || bgstr[0] != '#')
++error;
else {
unsigned r, g, b; /* this way quiets compiler warnings */
sscanf(bgstr+1, "%2x%2x%2x", &r, &g, &b);
wpng_info.bg_red = (uch)r;
wpng_info.bg_green = (uch)g;
wpng_info.bg_blue = (uch)b;
wpng_info.have_bg = TRUE;
}
}
} else {
if (**argv != '-') {
inname = *argv;
if (argv[1]) /* shouldn't be any more args after filename */
++error;
} else
++error; /* not expecting any other options */
}
}
/* open the input and output files, or register an error and abort */
if (!inname) {
if (isatty(0)) {
fprintf(stderr, PROGNAME
": must give input filename or provide image data via stdin\n");
++error;
} else {
#ifdef DOS_OS2_W32
/* some buggy C libraries require BOTH setmode() and fdopen(bin) */
setmode(fileno(stdin), O_BINARY);
setmode(fileno(stdout), O_BINARY);
#endif
if ((wpng_info.infile = fdopen(fileno(stdin), "rb")) == NULL) {
fprintf(stderr, PROGNAME
": unable to reopen stdin in binary mode\n");
++error;
} else
if ((wpng_info.outfile = fdopen(fileno(stdout), "wb")) == NULL) {
fprintf(stderr, PROGNAME
": unable to reopen stdout in binary mode\n");
fclose(wpng_info.infile);
++error;
} else
wpng_info.filter = TRUE;
}
} else if ((len = strlen(inname)) > 250) {
fprintf(stderr, PROGNAME ": input filename is too long [%d chars]\n",
len);
++error;
} else if (!(wpng_info.infile = fopen(inname, "rb"))) {
fprintf(stderr, PROGNAME ": can't open input file [%s]\n", inname);
++error;
}
if (!error) {
fgets(pnmline, 256, wpng_info.infile);
if (pnmline[0] != 'P' || ((pnmchar = pnmline[1]) != '5' &&
pnmchar != '6' && pnmchar != '8'))
{
fprintf(stderr, PROGNAME
": input file [%s] is not a binary PGM, PPM or PAM file\n",
inname);
++error;
} else {
wpng_info.pnmtype = (int)(pnmchar - '0');
if (wpng_info.pnmtype != 8)
wpng_info.have_bg = FALSE; /* no need for bg if opaque */
do {
fgets(pnmline, 256, wpng_info.infile); /* lose any comments */
} while (pnmline[0] == '#');
sscanf(pnmline, "%ld %ld", &wpng_info.width, &wpng_info.height);
do {
fgets(pnmline, 256, wpng_info.infile); /* more comment lines */
} while (pnmline[0] == '#');
sscanf(pnmline, "%d", &maxval);
if (wpng_info.width <= 0L || wpng_info.height <= 0L ||
maxval != 255)
{
fprintf(stderr, PROGNAME
": only positive width/height, maxval == 255 allowed \n");
++error;
}
wpng_info.sample_depth = 8; /* <==> maxval 255 */
if (!wpng_info.filter) {
/* make outname from inname */
if ((p = strrchr(inname, '.')) == NULL ||
(p - inname) != (len - 4))
{
strcpy(outname, inname);
strcpy(outname+len, ".png");
} else {
len -= 4;
strncpy(outname, inname, len);
strcpy(outname+len, ".png");
}
/* check if outname already exists; if not, open */
if ((wpng_info.outfile = fopen(outname, "rb")) != NULL) {
fprintf(stderr, PROGNAME ": output file exists [%s]\n",
outname);
fclose(wpng_info.outfile);
++error;
} else if (!(wpng_info.outfile = fopen(outname, "wb"))) {
fprintf(stderr, PROGNAME ": can't open output file [%s]\n",
outname);
++error;
}
}
}
if (error) {
fclose(wpng_info.infile);
wpng_info.infile = NULL;
if (wpng_info.filter) {
fclose(wpng_info.outfile);
wpng_info.outfile = NULL;
}
}
}
/* if we had any errors, print usage and die horrible death...arrr! */
if (error) {
fprintf(stderr, "\n%s %s: %s\n", PROGNAME, VERSION, APPNAME);
writepng_version_info();
fprintf(stderr, "\n"
"Usage: %s [-gamma exp] [-bgcolor bg] [-text] [-time] [-interlace] pnmfile\n"
"or: ... | %s [-gamma exp] [-bgcolor bg] [-text] [-time] [-interlace] | ...\n"
" exp \ttransfer-function exponent (``gamma'') of the image in\n"
"\t\t floating-point format (e.g., ``%.5f''); if image looks\n"
"\t\t correct on given display system, image gamma is equal to\n"
"\t\t inverse of display-system exponent, i.e., 1 / (LUT * CRT)\n"
"\t\t (where LUT = lookup-table exponent and CRT = CRT exponent;\n"
"\t\t first varies, second is usually 2.2, all are positive)\n"
" bg \tdesired background color for alpha-channel images, in\n"
"\t\t 7-character hex RGB format (e.g., ``#ff7700'' for orange:\n"
"\t\t same as HTML colors)\n"
" -text\tprompt interactively for text info (tEXt chunks)\n"
" -time\tinclude a tIME chunk (last modification time)\n"
" -interlace\twrite interlaced PNG image\n"
"\n"
"pnmfile or stdin must be a binary PGM (`P5'), PPM (`P6') or (extremely\n"
"unofficial and unsupported!) PAM (`P8') file. Currently it is required\n"
"to have maxval == 255 (i.e., no scaling). If pnmfile is specified, it\n"
"is converted to the corresponding PNG file with the same base name but a\n"
"``.png'' extension; files read from stdin are converted and sent to stdout.\n"
"The conversion is progressive (low memory usage) unless interlacing is\n"
"requested; in that case the whole image will be buffered in memory and\n"
"written in one call.\n"
"\n", PROGNAME, PROGNAME, default_gamma);
exit(1);
}
/* prepare the text buffers for libpng's use; note that even though
* PNG's png_text struct includes a length field, we don't have to fill
* it out */
if (text &&
#ifndef DOS_OS2_W32
(keybd = fdopen(fileno(stderr), "r")) != NULL &&
#endif
(textbuf = (char *)malloc((5 + 9)*75)) != NULL)
{
int i, valid, result;
fprintf(stderr,
"Enter text info (no more than 72 characters per line);\n");
fprintf(stderr, "to skip a field, hit the <Enter> key.\n");
/* note: just <Enter> leaves len == 1 */
do {
valid = TRUE;
p = textbuf + TEXT_TITLE_OFFSET;
fprintf(stderr, " Title: ");
fflush(stderr);
if (FGETS(p, 74, keybd) && (len = strlen(p)) > 1) {
if (p[len-1] == '\n')
p[--len] = '\0';
wpng_info.title = p;
wpng_info.have_text |= TEXT_TITLE;
if ((result = wpng_isvalid_latin1((uch *)p, len)) >= 0) {
fprintf(stderr, " " PROGNAME " warning: character code"
" %u is %sdiscouraged by the PNG\n specification "
"[first occurrence was at character position #%d]\n",
(unsigned)p[result], (p[result] == 27)? "strongly " : "",
result+1);
fflush(stderr);
#ifdef FORBID_LATIN1_CTRL
wpng_info.have_text &= ~TEXT_TITLE;
valid = FALSE;
#else
if (p[result] == 27) { /* escape character */
wpng_info.have_text &= ~TEXT_TITLE;
valid = FALSE;
}
#endif
}
}
} while (!valid);
do {
valid = TRUE;
p = textbuf + TEXT_AUTHOR_OFFSET;
fprintf(stderr, " Author: ");
fflush(stderr);
if (FGETS(p, 74, keybd) && (len = strlen(p)) > 1) {
if (p[len-1] == '\n')
p[--len] = '\0';
wpng_info.author = p;
wpng_info.have_text |= TEXT_AUTHOR;
if ((result = wpng_isvalid_latin1((uch *)p, len)) >= 0) {
fprintf(stderr, " " PROGNAME " warning: character code"
" %u is %sdiscouraged by the PNG\n specification "
"[first occurrence was at character position #%d]\n",
(unsigned)p[result], (p[result] == 27)? "strongly " : "",
result+1);
fflush(stderr);
#ifdef FORBID_LATIN1_CTRL
wpng_info.have_text &= ~TEXT_AUTHOR;
valid = FALSE;
#else
if (p[result] == 27) { /* escape character */
wpng_info.have_text &= ~TEXT_AUTHOR;
valid = FALSE;
}
#endif
}
}
} while (!valid);
do {
valid = TRUE;
p = textbuf + TEXT_DESC_OFFSET;
fprintf(stderr, " Description (up to 9 lines):\n");
for (i = 1; i < 10; ++i) {
fprintf(stderr, " [%d] ", i);
fflush(stderr);
if (FGETS(p, 74, keybd) && (len = strlen(p)) > 1)
p += len; /* now points at NULL; char before is newline */
else
break;
}
if ((len = p - (textbuf + TEXT_DESC_OFFSET)) > 1) {
if (p[-1] == '\n') {
p[-1] = '\0';
--len;
}
wpng_info.desc = textbuf + TEXT_DESC_OFFSET;
wpng_info.have_text |= TEXT_DESC;
p = textbuf + TEXT_DESC_OFFSET;
if ((result = wpng_isvalid_latin1((uch *)p, len)) >= 0) {
fprintf(stderr, " " PROGNAME " warning: character code"
" %u is %sdiscouraged by the PNG\n specification "
"[first occurrence was at character position #%d]\n",
(unsigned)p[result], (p[result] == 27)? "strongly " : "",
result+1);
fflush(stderr);
#ifdef FORBID_LATIN1_CTRL
wpng_info.have_text &= ~TEXT_DESC;
valid = FALSE;
#else
if (p[result] == 27) { /* escape character */
wpng_info.have_text &= ~TEXT_DESC;
valid = FALSE;
}
#endif
}
}
} while (!valid);
do {
valid = TRUE;
p = textbuf + TEXT_COPY_OFFSET;
fprintf(stderr, " Copyright: ");
fflush(stderr);
if (FGETS(p, 74, keybd) && (len = strlen(p)) > 1) {
if (p[len-1] == '\n')
p[--len] = '\0';
wpng_info.copyright = p;
wpng_info.have_text |= TEXT_COPY;
if ((result = wpng_isvalid_latin1((uch *)p, len)) >= 0) {
fprintf(stderr, " " PROGNAME " warning: character code"
" %u is %sdiscouraged by the PNG\n specification "
"[first occurrence was at character position #%d]\n",
(unsigned)p[result], (p[result] == 27)? "strongly " : "",
result+1);
fflush(stderr);
#ifdef FORBID_LATIN1_CTRL
wpng_info.have_text &= ~TEXT_COPY;
valid = FALSE;
#else
if (p[result] == 27) { /* escape character */
wpng_info.have_text &= ~TEXT_COPY;
valid = FALSE;
}
#endif
}
}
} while (!valid);
do {
valid = TRUE;
p = textbuf + TEXT_EMAIL_OFFSET;
fprintf(stderr, " E-mail: ");
fflush(stderr);
if (FGETS(p, 74, keybd) && (len = strlen(p)) > 1) {
if (p[len-1] == '\n')
p[--len] = '\0';
wpng_info.email = p;
wpng_info.have_text |= TEXT_EMAIL;
if ((result = wpng_isvalid_latin1((uch *)p, len)) >= 0) {
fprintf(stderr, " " PROGNAME " warning: character code"
" %u is %sdiscouraged by the PNG\n specification "
"[first occurrence was at character position #%d]\n",
(unsigned)p[result], (p[result] == 27)? "strongly " : "",
result+1);
fflush(stderr);
#ifdef FORBID_LATIN1_CTRL
wpng_info.have_text &= ~TEXT_EMAIL;
valid = FALSE;
#else
if (p[result] == 27) { /* escape character */
wpng_info.have_text &= ~TEXT_EMAIL;
valid = FALSE;
}
#endif
}
}
} while (!valid);
do {
valid = TRUE;
p = textbuf + TEXT_URL_OFFSET;
fprintf(stderr, " URL: ");
fflush(stderr);
if (FGETS(p, 74, keybd) && (len = strlen(p)) > 1) {
if (p[len-1] == '\n')
p[--len] = '\0';
wpng_info.url = p;
wpng_info.have_text |= TEXT_URL;
if ((result = wpng_isvalid_latin1((uch *)p, len)) >= 0) {
fprintf(stderr, " " PROGNAME " warning: character code"
" %u is %sdiscouraged by the PNG\n specification "
"[first occurrence was at character position #%d]\n",
(unsigned)p[result], (p[result] == 27)? "strongly " : "",
result+1);
fflush(stderr);
#ifdef FORBID_LATIN1_CTRL
wpng_info.have_text &= ~TEXT_URL;
valid = FALSE;
#else
if (p[result] == 27) { /* escape character */
wpng_info.have_text &= ~TEXT_URL;
valid = FALSE;
}
#endif
}
}
} while (!valid);
#ifndef DOS_OS2_W32
fclose(keybd);
#endif
} else if (text) {
fprintf(stderr, PROGNAME ": unable to allocate memory for text\n");
text = FALSE;
wpng_info.have_text = 0;
}
/* allocate libpng stuff, initialize transformations, write pre-IDAT data */
if ((rc = writepng_init(&wpng_info)) != 0) {
switch (rc) {
case 2:
fprintf(stderr, PROGNAME
": libpng initialization problem (longjmp)\n");
break;
case 4:
fprintf(stderr, PROGNAME ": insufficient memory\n");
break;
case 11:
fprintf(stderr, PROGNAME
": internal logic error (unexpected PNM type)\n");
break;
default:
fprintf(stderr, PROGNAME
": unknown writepng_init() error\n");
break;
}
exit(rc);
}
/* free textbuf, since it's a completely local variable and all text info
* has just been written to the PNG file */
if (text && textbuf) {
free(textbuf);
textbuf = NULL;
}
/* calculate rowbytes on basis of image type; note that this becomes much
* more complicated if we choose to support PBM type, ASCII PNM types, or
* 16-bit-per-sample binary data [currently not an official NetPBM type] */
if (wpng_info.pnmtype == 5)
rowbytes = wpng_info.width;
else if (wpng_info.pnmtype == 6)
rowbytes = wpng_info.width * 3;
else /* if (wpng_info.pnmtype == 8) */
rowbytes = wpng_info.width * 4;
/* read and write the image, either in its entirety (if writing interlaced
* PNG) or row by row (if non-interlaced) */
fprintf(stderr, "Encoding image data...\n");
fflush(stderr);
if (wpng_info.interlaced) {
long i;
ulg bytes;
ulg image_bytes = rowbytes * wpng_info.height; /* overflow? */
wpng_info.image_data = (uch *)malloc(image_bytes);
wpng_info.row_pointers = (uch **)malloc(wpng_info.height*sizeof(uch *));
if (wpng_info.image_data == NULL || wpng_info.row_pointers == NULL) {
fprintf(stderr, PROGNAME ": insufficient memory for image data\n");
writepng_cleanup(&wpng_info);
wpng_cleanup();
exit(5);
}
for (i = 0; i < wpng_info.height; ++i)
wpng_info.row_pointers[i] = wpng_info.image_data + i*rowbytes;
bytes = fread(wpng_info.image_data, 1, image_bytes, wpng_info.infile);
if (bytes != image_bytes) {
fprintf(stderr, PROGNAME ": expected %lu bytes, got %lu bytes\n",
image_bytes, bytes);
fprintf(stderr, " (continuing anyway)\n");
}
if (writepng_encode_image(&wpng_info) != 0) {
fprintf(stderr, PROGNAME
": libpng problem (longjmp) while writing image data\n");
writepng_cleanup(&wpng_info);
wpng_cleanup();
exit(2);
}
} else /* not interlaced: write progressively (row by row) */ {
long j;
ulg bytes;
wpng_info.image_data = (uch *)malloc(rowbytes);
if (wpng_info.image_data == NULL) {
fprintf(stderr, PROGNAME ": insufficient memory for row data\n");
writepng_cleanup(&wpng_info);
wpng_cleanup();
exit(5);
}
error = 0;
for (j = wpng_info.height; j > 0L; --j) {
bytes = fread(wpng_info.image_data, 1, rowbytes, wpng_info.infile);
if (bytes != rowbytes) {
fprintf(stderr, PROGNAME
": expected %lu bytes, got %lu bytes (row %ld)\n", rowbytes,
bytes, wpng_info.height-j);
++error;
break;
}
if (writepng_encode_row(&wpng_info) != 0) {
fprintf(stderr, PROGNAME
": libpng problem (longjmp) while writing row %ld\n",
wpng_info.height-j);
++error;
break;
}
}
if (error) {
writepng_cleanup(&wpng_info);
wpng_cleanup();
exit(2);
}
if (writepng_encode_finish(&wpng_info) != 0) {
fprintf(stderr, PROGNAME ": error on final libpng call\n");
writepng_cleanup(&wpng_info);
wpng_cleanup();
exit(2);
}
}
/* OK, we're done (successfully): clean up all resources and quit */
fprintf(stderr, "Done.\n");
fflush(stderr);
writepng_cleanup(&wpng_info);
wpng_cleanup();
return 0;
}
static int wpng_isvalid_latin1(uch *p, int len)
{
int i, result = -1;
for (i = 0; i < len; ++i) {
if (p[i] == 10 || (p[i] > 31 && p[i] < 127) || p[i] > 160)
continue; /* character is completely OK */
if (result < 0 || (p[result] != 27 && p[i] == 27))
result = i; /* mark location of first questionable one */
} /* or of first escape character (bad) */
return result;
}
static void wpng_cleanup(void)
{
if (wpng_info.outfile) {
fclose(wpng_info.outfile);
wpng_info.outfile = NULL;
}
if (wpng_info.infile) {
fclose(wpng_info.infile);
wpng_info.infile = NULL;
}
if (wpng_info.image_data) {
free(wpng_info.image_data);
wpng_info.image_data = NULL;
}
if (wpng_info.row_pointers) {
free(wpng_info.row_pointers);
wpng_info.row_pointers = NULL;
}
}
#ifdef DOS_OS2_W32
static char *dos_kbd_gets(char *buf, int len)
{
int ch, count=0;
do {
buf[count++] = ch = getche();
} while (ch != '\r' && count < len-1);
buf[count--] = '\0'; /* terminate string */
if (buf[count] == '\r') /* Enter key makes CR, so change to newline */
buf[count] = '\n';
fprintf(stderr, "\n"); /* Enter key does *not* cause a newline */
fflush(stderr);
return buf;
}
#endif /* DOS_OS2_W32 */

392
Source/3rdParty/png/contrib/gregbook/writepng.c vendored Normal file
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@ -0,0 +1,392 @@
/*---------------------------------------------------------------------------
wpng - simple PNG-writing program writepng.c
---------------------------------------------------------------------------
Copyright (c) 1998-2007 Greg Roelofs. All rights reserved.
This software is provided "as is," without warranty of any kind,
express or implied. In no event shall the author or contributors
be held liable for any damages arising in any way from the use of
this software.
The contents of this file are DUAL-LICENSED. You may modify and/or
redistribute this software according to the terms of one of the
following two licenses (at your option):
LICENSE 1 ("BSD-like with advertising clause"):
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute
it freely, subject to the following restrictions:
1. Redistributions of source code must retain the above copyright
notice, disclaimer, and this list of conditions.
2. Redistributions in binary form must reproduce the above copyright
notice, disclaimer, and this list of conditions in the documenta-
tion and/or other materials provided with the distribution.
3. All advertising materials mentioning features or use of this
software must display the following acknowledgment:
This product includes software developed by Greg Roelofs
and contributors for the book, "PNG: The Definitive Guide,"
published by O'Reilly and Associates.
LICENSE 2 (GNU GPL v2 or later):
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software Foundation,
Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
---------------------------------------------------------------------------*/
#include <stdlib.h> /* for exit() prototype */
#include "png.h" /* libpng header; includes zlib.h and setjmp.h */
#include "writepng.h" /* typedefs, common macros, public prototypes */
/* local prototype */
static void writepng_error_handler(png_structp png_ptr, png_const_charp msg);
void writepng_version_info(void)
{
fprintf(stderr, " Compiled with libpng %s; using libpng %s.\n",
PNG_LIBPNG_VER_STRING, png_libpng_ver);
fprintf(stderr, " Compiled with zlib %s; using zlib %s.\n",
ZLIB_VERSION, zlib_version);
}
/* returns 0 for success, 2 for libpng problem, 4 for out of memory, 11 for
* unexpected pnmtype; note that outfile might be stdout */
int writepng_init(mainprog_info *mainprog_ptr)
{
png_structp png_ptr; /* note: temporary variables! */
png_infop info_ptr;
int color_type, interlace_type;
/* could also replace libpng warning-handler (final NULL), but no need: */
png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, mainprog_ptr,
writepng_error_handler, NULL);
if (!png_ptr)
return 4; /* out of memory */
info_ptr = png_create_info_struct(png_ptr);
if (!info_ptr) {
png_destroy_write_struct(&png_ptr, NULL);
return 4; /* out of memory */
}
/* setjmp() must be called in every function that calls a PNG-writing
* libpng function, unless an alternate error handler was installed--
* but compatible error handlers must either use longjmp() themselves
* (as in this program) or exit immediately, so here we go: */
if (setjmp(mainprog_ptr->jmpbuf)) {
png_destroy_write_struct(&png_ptr, &info_ptr);
return 2;
}
/* make sure outfile is (re)opened in BINARY mode */
png_init_io(png_ptr, mainprog_ptr->outfile);
/* set the compression levels--in general, always want to leave filtering
* turned on (except for palette images) and allow all of the filters,
* which is the default; want 32K zlib window, unless entire image buffer
* is 16K or smaller (unknown here)--also the default; usually want max
* compression (NOT the default); and remaining compression flags should
* be left alone */
png_set_compression_level(png_ptr, Z_BEST_COMPRESSION);
/*
>> this is default for no filtering; Z_FILTERED is default otherwise:
png_set_compression_strategy(png_ptr, Z_DEFAULT_STRATEGY);
>> these are all defaults:
png_set_compression_mem_level(png_ptr, 8);
png_set_compression_window_bits(png_ptr, 15);
png_set_compression_method(png_ptr, 8);
*/
/* set the image parameters appropriately */
if (mainprog_ptr->pnmtype == 5)
color_type = PNG_COLOR_TYPE_GRAY;
else if (mainprog_ptr->pnmtype == 6)
color_type = PNG_COLOR_TYPE_RGB;
else if (mainprog_ptr->pnmtype == 8)
color_type = PNG_COLOR_TYPE_RGB_ALPHA;
else {
png_destroy_write_struct(&png_ptr, &info_ptr);
return 11;
}
interlace_type = mainprog_ptr->interlaced? PNG_INTERLACE_ADAM7 :
PNG_INTERLACE_NONE;
png_set_IHDR(png_ptr, info_ptr, mainprog_ptr->width, mainprog_ptr->height,
mainprog_ptr->sample_depth, color_type, interlace_type,
PNG_COMPRESSION_TYPE_DEFAULT, PNG_FILTER_TYPE_DEFAULT);
if (mainprog_ptr->gamma > 0.0)
png_set_gAMA(png_ptr, info_ptr, mainprog_ptr->gamma);
if (mainprog_ptr->have_bg) { /* we know it's RGBA, not gray+alpha */
png_color_16 background;
background.red = mainprog_ptr->bg_red;
background.green = mainprog_ptr->bg_green;
background.blue = mainprog_ptr->bg_blue;
png_set_bKGD(png_ptr, info_ptr, &background);
}
if (mainprog_ptr->have_time) {
png_time modtime;
png_convert_from_time_t(&modtime, mainprog_ptr->modtime);
png_set_tIME(png_ptr, info_ptr, &modtime);
}
if (mainprog_ptr->have_text) {
png_text text[6];
int num_text = 0;
if (mainprog_ptr->have_text & TEXT_TITLE) {
text[num_text].compression = PNG_TEXT_COMPRESSION_NONE;
text[num_text].key = "Title";
text[num_text].text = mainprog_ptr->title;
++num_text;
}
if (mainprog_ptr->have_text & TEXT_AUTHOR) {
text[num_text].compression = PNG_TEXT_COMPRESSION_NONE;
text[num_text].key = "Author";
text[num_text].text = mainprog_ptr->author;
++num_text;
}
if (mainprog_ptr->have_text & TEXT_DESC) {
text[num_text].compression = PNG_TEXT_COMPRESSION_NONE;
text[num_text].key = "Description";
text[num_text].text = mainprog_ptr->desc;
++num_text;
}
if (mainprog_ptr->have_text & TEXT_COPY) {
text[num_text].compression = PNG_TEXT_COMPRESSION_NONE;
text[num_text].key = "Copyright";
text[num_text].text = mainprog_ptr->copyright;
++num_text;
}
if (mainprog_ptr->have_text & TEXT_EMAIL) {
text[num_text].compression = PNG_TEXT_COMPRESSION_NONE;
text[num_text].key = "E-mail";
text[num_text].text = mainprog_ptr->email;
++num_text;
}
if (mainprog_ptr->have_text & TEXT_URL) {
text[num_text].compression = PNG_TEXT_COMPRESSION_NONE;
text[num_text].key = "URL";
text[num_text].text = mainprog_ptr->url;
++num_text;
}
png_set_text(png_ptr, info_ptr, text, num_text);
}
/* write all chunks up to (but not including) first IDAT */
png_write_info(png_ptr, info_ptr);
/* if we wanted to write any more text info *after* the image data, we
* would set up text struct(s) here and call png_set_text() again, with
* just the new data; png_set_tIME() could also go here, but it would
* have no effect since we already called it above (only one tIME chunk
* allowed) */
/* set up the transformations: for now, just pack low-bit-depth pixels
* into bytes (one, two or four pixels per byte) */
png_set_packing(png_ptr);
/* png_set_shift(png_ptr, &sig_bit); to scale low-bit-depth values */
/* make sure we save our pointers for use in writepng_encode_image() */
mainprog_ptr->png_ptr = png_ptr;
mainprog_ptr->info_ptr = info_ptr;
/* OK, that's all we need to do for now; return happy */
return 0;
}
/* returns 0 for success, 2 for libpng (longjmp) problem */
int writepng_encode_image(mainprog_info *mainprog_ptr)
{
png_structp png_ptr = (png_structp)mainprog_ptr->png_ptr;
png_infop info_ptr = (png_infop)mainprog_ptr->info_ptr;
/* as always, setjmp() must be called in every function that calls a
* PNG-writing libpng function */
if (setjmp(mainprog_ptr->jmpbuf)) {
png_destroy_write_struct(&png_ptr, &info_ptr);
mainprog_ptr->png_ptr = NULL;
mainprog_ptr->info_ptr = NULL;
return 2;
}
/* and now we just write the whole image; libpng takes care of interlacing
* for us */
png_write_image(png_ptr, mainprog_ptr->row_pointers);
/* since that's it, we also close out the end of the PNG file now--if we
* had any text or time info to write after the IDATs, second argument
* would be info_ptr, but we optimize slightly by sending NULL pointer: */
png_write_end(png_ptr, NULL);
return 0;
}
/* returns 0 if succeeds, 2 if libpng problem */
int writepng_encode_row(mainprog_info *mainprog_ptr) /* NON-interlaced only! */
{
png_structp png_ptr = (png_structp)mainprog_ptr->png_ptr;
png_infop info_ptr = (png_infop)mainprog_ptr->info_ptr;
/* as always, setjmp() must be called in every function that calls a
* PNG-writing libpng function */
if (setjmp(mainprog_ptr->jmpbuf)) {
png_destroy_write_struct(&png_ptr, &info_ptr);
mainprog_ptr->png_ptr = NULL;
mainprog_ptr->info_ptr = NULL;
return 2;
}
/* image_data points at our one row of image data */
png_write_row(png_ptr, mainprog_ptr->image_data);
return 0;
}
/* returns 0 if succeeds, 2 if libpng problem */
int writepng_encode_finish(mainprog_info *mainprog_ptr) /* NON-interlaced! */
{
png_structp png_ptr = (png_structp)mainprog_ptr->png_ptr;
png_infop info_ptr = (png_infop)mainprog_ptr->info_ptr;
/* as always, setjmp() must be called in every function that calls a
* PNG-writing libpng function */
if (setjmp(mainprog_ptr->jmpbuf)) {
png_destroy_write_struct(&png_ptr, &info_ptr);
mainprog_ptr->png_ptr = NULL;
mainprog_ptr->info_ptr = NULL;
return 2;
}
/* close out PNG file; if we had any text or time info to write after
* the IDATs, second argument would be info_ptr: */
png_write_end(png_ptr, NULL);
return 0;
}
void writepng_cleanup(mainprog_info *mainprog_ptr)
{
png_structp png_ptr = (png_structp)mainprog_ptr->png_ptr;
png_infop info_ptr = (png_infop)mainprog_ptr->info_ptr;
if (png_ptr && info_ptr)
png_destroy_write_struct(&png_ptr, &info_ptr);
}
static void writepng_error_handler(png_structp png_ptr, png_const_charp msg)
{
mainprog_info *mainprog_ptr;
/* This function, aside from the extra step of retrieving the "error
* pointer" (below) and the fact that it exists within the application
* rather than within libpng, is essentially identical to libpng's
* default error handler. The second point is critical: since both
* setjmp() and longjmp() are called from the same code, they are
* guaranteed to have compatible notions of how big a jmp_buf is,
* regardless of whether _BSD_SOURCE or anything else has (or has not)
* been defined. */
fprintf(stderr, "writepng libpng error: %s\n", msg);
fflush(stderr);
mainprog_ptr = png_get_error_ptr(png_ptr);
if (mainprog_ptr == NULL) { /* we are completely hosed now */
fprintf(stderr,
"writepng severe error: jmpbuf not recoverable; terminating.\n");
fflush(stderr);
exit(99);
}
longjmp(mainprog_ptr->jmpbuf, 1);
}

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/*---------------------------------------------------------------------------
wpng - simple PNG-writing program writepng.h
---------------------------------------------------------------------------
Copyright (c) 1998-2007 Greg Roelofs. All rights reserved.
This software is provided "as is," without warranty of any kind,
express or implied. In no event shall the author or contributors
be held liable for any damages arising in any way from the use of
this software.
The contents of this file are DUAL-LICENSED. You may modify and/or
redistribute this software according to the terms of one of the
following two licenses (at your option):
LICENSE 1 ("BSD-like with advertising clause"):
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute
it freely, subject to the following restrictions:
1. Redistributions of source code must retain the above copyright
notice, disclaimer, and this list of conditions.
2. Redistributions in binary form must reproduce the above copyright
notice, disclaimer, and this list of conditions in the documenta-
tion and/or other materials provided with the distribution.
3. All advertising materials mentioning features or use of this
software must display the following acknowledgment:
This product includes software developed by Greg Roelofs
and contributors for the book, "PNG: The Definitive Guide,"
published by O'Reilly and Associates.
LICENSE 2 (GNU GPL v2 or later):
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software Foundation,
Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
---------------------------------------------------------------------------*/
#ifndef TRUE
# define TRUE 1
# define FALSE 0
#endif
#ifndef MAX
# define MAX(a,b) ((a) > (b)? (a) : (b))
# define MIN(a,b) ((a) < (b)? (a) : (b))
#endif
#ifdef DEBUG
# define Trace(x) {fprintf x ; fflush(stderr); fflush(stdout);}
#else
# define Trace(x) ;
#endif
#define TEXT_TITLE 0x01
#define TEXT_AUTHOR 0x02
#define TEXT_DESC 0x04
#define TEXT_COPY 0x08
#define TEXT_EMAIL 0x10
#define TEXT_URL 0x20
#define TEXT_TITLE_OFFSET 0
#define TEXT_AUTHOR_OFFSET 72
#define TEXT_COPY_OFFSET (2*72)
#define TEXT_EMAIL_OFFSET (3*72)
#define TEXT_URL_OFFSET (4*72)
#define TEXT_DESC_OFFSET (5*72)
typedef unsigned char uch;
typedef unsigned short ush;
typedef unsigned long ulg;
typedef struct _mainprog_info {
double gamma;
long width;
long height;
time_t modtime;
FILE *infile;
FILE *outfile;
void *png_ptr;
void *info_ptr;
uch *image_data;
uch **row_pointers;
char *title;
char *author;
char *desc;
char *copyright;
char *email;
char *url;
int filter; /* command-line-filter flag, not PNG row filter! */
int pnmtype;
int sample_depth;
int interlaced;
int have_bg;
int have_time;
int have_text;
jmp_buf jmpbuf;
uch bg_red;
uch bg_green;
uch bg_blue;
} mainprog_info;
/* prototypes for public functions in writepng.c */
void writepng_version_info(void);
int writepng_init(mainprog_info *mainprog_ptr);
int writepng_encode_image(mainprog_info *mainprog_ptr);
int writepng_encode_row(mainprog_info *mainprog_ptr);
int writepng_encode_finish(mainprog_info *mainprog_ptr);
void writepng_cleanup(mainprog_info *mainprog_ptr);

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This demonstrates the use of PNG_USER_CONFIG and pngusr.h
To build a minimal read-only decoder with embedded libpng and zlib, run
gather.sh # to collect needed files from pngminus, libpng, and zlib
make
If you prefer to use the shared libraries, go to contrib/pngminus
and build the png2pnm application there.

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#!/bin/sh
cp ../../pngminus/png2pnm.c pngm2pnm.c
cp ../../../*.h .
cp ../../../*.c .
rm example.c pngtest.c pngpread.c pngw*.c
# change the following 2 lines if zlib is somewhere else
cp ../../../../zlib/*.h .
cp ../../../../zlib/*.c .
rm minigzip.c example.c compress.c deflate.c gz*

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# Makefile for PngMinus (pngm2pnm)
# Linux / Unix
#CC=cc
CC=gcc
LD=$(CC)
RM=rm -f
CFLAGS=-DPNG_USER_CONFIG -DNO_GZCOMPRESS -DNO_GZIP \
-DdeflateParams\(a,b,c\)=Z_OK -I. -O1
C=.c
O=.o
L=.a
E=
ZOBJS = adler32$(O) crc32$(O) \
infback$(O) inffast$(O) inflate$(O) inftrees$(O) \
trees$(O) uncompr$(O) zutil$(O)
OBJS = pngm2pnm$(O) png$(O) pngerror$(O) pngget$(O) pngmem$(O) \
pngread$(O) pngrio$(O) pngrtran$(O) pngrutil$(O) \
pngset$(O) pngtrans$(O) $(ZOBJS)
# implicit make rules -------------------------------------------------------
.c$(O): png.h pngconf.h pngpriv.h pngusr.h zlib.h
$(CC) -c $(CFLAGS) $<
# dependencies
all: pngm2pnm$(E)
pngm2pnm$(E): $(OBJS)
$(LD) -o pngm2pnm$(E) $(OBJS)
clean:
$(RM) pngm2pnm$(O)
$(RM) pngm2pnm$(E)
$(RM) $(OBJS)
# End of makefile for pngm2pnm

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/* minrdpngconf.h: headers to make a minimal png-read-only library
*
* Copyright (c) 2007, 2009 Glenn Randers-Pehrson
*
* This code is released under the libpng license.
* For conditions of distribution and use, see the disclaimer
* and license in png.h
*
* Derived from pngcrush.h, Copyright 1998-2007, Glenn Randers-Pehrson
*/
#ifndef MINRDPNGCONF_H
#define MINRDPNGCONF_H
#define PNG_NO_WARNINGS
#define png_warning(s1,s2) ""
#define png_chunk_warning(s1,s2) ""
#define PNG_NO_ERROR_TEXT
#define png_error(s1,s2) png_err(s1)
#define png_chunk_error(s1,s2) png_err(s1)
#define PNG_NO_READ_BGR
#define PNG_NO_READ_GAMMA
#define PNG_NO_READ_BACKGROUND
#define PNG_NO_READ_QUANTIZE
#define PNG_NO_READ_INVERT
#define PNG_NO_READ_SHIFT
#define PNG_NO_READ_PACK
#define PNG_NO_READ_PACKSWAP
#define PNG_NO_READ_FILLER
#define PNG_NO_READ_SWAP
#define PNG_NO_READ_SWAP_ALPHA
#define PNG_NO_READ_INVERT_ALPHA
#define PNG_NO_READ_RGB_TO_GRAY
#define PNG_NO_READ_USER_TRANSFORM
#define PNG_NO_READ_bKGD
#define PNG_NO_READ_cHRM
#define PNG_NO_READ_gAMA
#define PNG_NO_READ_hIST
#define PNG_NO_READ_iCCP
#define PNG_NO_READ_oFFs
#define PNG_NO_READ_pCAL
#define PNG_NO_READ_pHYs
#define PNG_NO_READ_sBIT
#define PNG_NO_READ_sCAL
#define PNG_NO_READ_sPLT
#define PNG_NO_READ_sRGB
#define PNG_NO_READ_TEXT
#define PNG_NO_READ_tIME
#define PNG_NO_READ_UNKNOWN_CHUNKS
#define PNG_NO_READ_USER_CHUNKS
#define PNG_NO_READ_EMPTY_PLTE
#define PNG_NO_READ_OPT_PLTE
#define PNG_NO_READ_STRIP_ALPHA
#define PNG_NO_WRITE_SUPPORTED
#define PNG_NO_INFO_IMAGE
#define PNG_NO_IO_STATE
#define PNG_NO_USER_MEM
#define PNG_NO_FIXED_POINT_SUPPORTED
#define PNG_NO_MNG_FEATURES
#define PNG_NO_USER_TRANSFORM_PTR
#define PNG_NO_HANDLE_AS_UNKNOWN
#define PNG_NO_CONSOLE_IO
#define PNG_NO_ZALLOC_ZERO
#define PNG_NO_ERROR_NUMBERS
#define PNG_NO_EASY_ACCESS
#define PNG_NO_PROGRESSIVE_READ
#define PNG_NO_USER_LIMITS
#define PNG_NO_SET_USER_LIMITS
#define PNG_NO_TIME_RFC1123
#endif /* MINRDPNGCONF_H */

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This demonstrates the use of PNG_USER_CONFIG and pngusr.h
To build a minimal write-only decoder with embedded libpng and zlib, run
gather.sh # to collect needed files from pngminus, libpng, and zlib
make
If you prefer to use the shared libraries, go to contrib/pngminus
and build the pnm2png application there.

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#!/bin/sh
cp ../../pngminus/pnm2png.c pnm2pngm.c
cp ../../../*.h .
cp ../../../*.c .
rm example.c pngtest.c pngr*.c pngpread.c
# Change the next 2 lines if zlib is somewhere else.
cp ../../../../zlib/*.h .
cp ../../../../zlib/*.c .
rm inf*.[ch]
rm uncompr.c minigzip.c example.c gz*

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# Makefile for PngMinus (pnm2pngm)
# Linux / Unix
#CC=cc
CC=gcc
LD=$(CC)
RM=rm -f
CFLAGS=-DPNG_USER_CONFIG -DNO_GZIP -I. -O1
C=.c
O=.o
L=.a
E=
ZOBJS = adler32$(O) compress$(O) crc32$(O) deflate$(O) \
trees$(O) zutil$(O)
OBJS = pnm2pngm$(O) png$(O) pngerror$(O) pngget$(O) pngmem$(O) \
pngset$(O) pngtrans$(O) pngwio$(O) pngwrite$(O) \
pngwtran$(O) pngwutil$(O) $(ZOBJS)
# implicit make rules -------------------------------------------------------
.c$(O): png.h pngconf.h pngpriv.h pngusr.h zlib.h
$(CC) -c $(CFLAGS) $<
# dependencies
all: pnm2pngm$(E)
pnm2pngm$(E): $(OBJS)
$(LD) -o pnm2pngm$(E) $(OBJS)
clean:
$(RM) pnm2pngm$(O)
$(RM) pnm2pngm$(E)
$(RM) $(OBJS)
# End of makefile for pnm2pngm

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/* minwrpngconf.h: headers to make a minimal png-write-only library
*
* Copyright (c) 2007, 2009 Glenn Randers-Pehrson
*
* This code is released under the libpng license.
* For conditions of distribution and use, see the disclaimer
* and license in png.h
*
* Derived from pngcrush.h, Copyright 1998-2007, Glenn Randers-Pehrson
*/
#ifndef MINWRPNGCONF_H
#define MINWRPNGCONF_H
#define PNG_NO_READ_SUPPORTED
#define PNG_NO_WARNINGS
#define png_warning(s1,s2) ""
#define png_chunk_warning(s1,s2) ""
#define PNG_NO_ERROR_TEXT
#define png_error(s1,s2) png_err(s1)
#define png_chunk_error(s1,s2) png_err(s1)
#define PNG_NO_WRITE_BACKGROUND
#define PNG_NO_WRITE_BGR
#define PNG_NO_WRITE_QUANTIZE
#define PNG_NO_WRITE_INVERT
#define PNG_NO_WRITE_SHIFT
#define PNG_NO_WRITE_PACK
#define PNG_NO_WRITE_PACKSWAP
#define PNG_NO_WRITE_FILLER
#define PNG_NO_WRITE_SWAP
#define PNG_NO_WRITE_SWAP_ALPHA
#define PNG_NO_WRITE_INVERT_ALPHA
#define PNG_NO_WRITE_RGB_TO_GRAY
#define PNG_NO_WRITE_USER_TRANSFORM
#define PNG_NO_WRITE_bKGD
#define PNG_NO_WRITE_cHRM
#define PNG_NO_WRITE_gAMA
#define PNG_NO_WRITE_hIST
#define PNG_NO_WRITE_iCCP
#define PNG_NO_WRITE_oFFs
#define PNG_NO_WRITE_pCAL
#define PNG_NO_WRITE_pHYs
#define PNG_NO_WRITE_sBIT
#define PNG_NO_WRITE_sCAL
#define PNG_NO_WRITE_sPLT
#define PNG_NO_WRITE_sRGB
#define PNG_NO_WRITE_TEXT
#define PNG_NO_WRITE_tIME
#define PNG_NO_WRITE_UNKNOWN_CHUNKS
#define PNG_NO_WRITE_USER_CHUNKS
#define PNG_NO_WRITE_EMPTY_PLTE
#define PNG_NO_WRITE_OPT_PLTE
#define PNG_NO_WRITE_FILTER
#define PNG_NO_WRITE_WEIGHTED_FILTER
#define PNG_NO_WRITE_INTERLACING_SUPPORTED
#define PNG_NO_WRITE_FLUSH
#define PNG_NO_INFO_IMAGE
#define PNG_NO_IO_STATE
#define PNG_NO_USER_MEM
#define PNG_NO_FIXED_POINT_SUPPORTED
#define PNG_NO_MNG_FEATURES
#define PNG_NO_USER_TRANSFORM_PTR
#define PNG_NO_HANDLE_AS_UNKNOWN
#define PNG_NO_CONSOLE_IO
#define PNG_NO_ZALLOC_ZERO
#define PNG_NO_ERROR_NUMBERS
#define PNG_NO_EASY_ACCESS
#define PNG_NO_USER_LIMITS
#define PNG_NO_SET_USER_LIMITS
#define PNG_NO_TIME_RFC1123
#endif /* MINWRPNGCONF_H */

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This demonstrates the use of PNG_USER_CONFIG and pngusr.h
To build a minimal read-only progressive decoder embedded libpng and
zlib and with your system's X library, run
gather.sh # to collect needed files from gregbook, libpng, and zlib
Edit makefile if required, to find your X library and include files,
then
make
If you prefer to use the shared libraries, go to contrib/gregbook
and build the rpng2-x application there.

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#!/bin/sh
cp ../../gregbook/rpng2-x.c ../../gregbook/readpng2.[ch] .
cp ../../gregbook/COPYING ../../gregbook/LICENSE .
cp ../../../*.h .
cp ../../../*.c .
rm example.c pngtest.c pngw*.c
# change the following 2 lines if zlib is somewhere else
cp ../../../../zlib/*.h .
cp ../../../../zlib/*.c .
rm minigzip.c example.c compress.c deflate.c gz*

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# Makefile for PngMinus (rpng2)
# Linux / Unix
#CC=cc
CC=gcc
LD=$(CC)
RM=rm -f
#XINC = -I/usr/include # old-style, stock X distributions
#XLIB = -L/usr/lib/X11 -lX11 # (including SGI IRIX)
#XINC = -I/usr/openwin/include # Sun workstations (OpenWindows)
#XLIB = -L/usr/openwin/lib -lX11
XINC = -I/usr/X11R6/include # new X distributions (X.org, etc.)
XLIB = -L/usr/X11R6/lib -lX11
#XLIB = -L/usr/X11R6/lib64 -lX11 # e.g., Red Hat on AMD64
#XINC = -I/usr/local/include # FreeBSD
#XLIB = -L/usr/local/lib -lX11
#LIBS = $(XLIB)
LIBS = $(XLIB) -lm #platforms that need libm
CFLAGS=-DPNG_USER_CONFIG -DNO_GZCOMPRESS -DNO_GZIP \
-DdeflateParams\(a,b,c\)=Z_OK -I. $(XINC) -O1
C=.c
O=.o
L=.a
E=
ZOBJS = adler32$(O) crc32$(O) \
infback$(O) inffast$(O) inflate$(O) inftrees$(O) \
trees$(O) uncompr$(O) zutil$(O)
OBJS = rpng2-x$(O) readpng2$(O) png$(O) pngerror$(O) pngget$(O) pngmem$(O) \
pngpread$(O) pngread$(O) pngrio$(O) pngrtran$(O) pngrutil$(O) \
pngset$(O) pngtrans$(O) $(ZOBJS)
# implicit make rules -------------------------------------------------------
.c$(O): png.h pngconf.h pngpriv.h readpng2.h pngusr.h zlib.h
$(CC) -c $(CFLAGS) $<
# dependencies
all: rpng2-x$(E)
rpng2-x$(E): $(OBJS)
$(LD) -o rpng2-x$(E) $(OBJS) $(LIBS)
clean:
$(RM) rpng2-x$(O)
$(RM) rpng2-x$(E)
$(RM) $(OBJS)
# End of makefile for rpng2-x

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/* minrdpngconf.h: headers to make a minimal png-read-only library
*
* Copyright (c) 2009 Glenn Randers-Pehrson
*
* This code is released under the libpng license.
* For conditions of distribution and use, see the disclaimer
* and license in png.h
*
* Derived from pngcrush.h, Copyright 1998-2007, Glenn Randers-Pehrson
*/
#ifndef MINPRDPNGCONF_H
#define MINPRDPNGCONF_H
#define PNG_NO_WARNINGS
#define png_warning(s1,s2) ""
#define png_chunk_warning(s1,s2) ""
#define PNG_NO_ERROR_TEXT
#define png_error(s1,s2) png_err(s1)
#define png_chunk_error(s1,s2) png_err(s1)
#define PNG_NO_READ_BGR
#define PNG_NO_READ_DITHER
#define PNG_NO_READ_INVERT
#define PNG_NO_READ_SHIFT
#define PNG_NO_READ_PACK
#define PNG_NO_READ_PACKSWAP
#define PNG_NO_READ_FILLER
#define PNG_NO_READ_SWAP
#define PNG_NO_READ_SWAP_ALPHA
#define PNG_NO_READ_INVERT_ALPHA
#define PNG_NO_READ_RGB_TO_GRAY
#define PNG_NO_READ_USER_TRANSFORM
#define PNG_NO_READ_cHRM
#define PNG_NO_READ_hIST
#define PNG_NO_READ_iCCP
#define PNG_NO_READ_oFFs
#define PNG_NO_READ_pCAL
#define PNG_NO_READ_pHYs
#define PNG_NO_READ_sBIT
#define PNG_NO_READ_sCAL
#define PNG_NO_READ_sPLT
#define PNG_NO_READ_TEXT
#define PNG_NO_READ_tIME
#define PNG_NO_READ_UNKNOWN_CHUNKS
#define PNG_NO_READ_USER_CHUNKS
#define PNG_NO_READ_EMPTY_PLTE
#define PNG_NO_READ_OPT_PLTE
#define PNG_NO_READ_STRIP_ALPHA
#define PNG_NO_WRITE_SUPPORTED
#define PNG_NO_INFO_IMAGE
#define PNG_NO_IO_STATE
#define PNG_NO_USER_MEM
#define PNG_NO_FIXED_POINT_SUPPORTED
#define PNG_NO_MNG_FEATURES
#define PNG_NO_USER_TRANSFORM_PTR
#define PNG_NO_HANDLE_AS_UNKNOWN
#define PNG_NO_CONSOLE_IO
#define PNG_NO_ZALLOC_ZERO
#define PNG_NO_ERROR_NUMBERS
#define PNG_NO_EASY_ACCESS
#define PNG_NO_USER_LIMITS
#define PNG_NO_SET_USER_LIMITS
#define PNG_NO_TIME_RFC1123
#endif /* MINPRDPNGCONF_H */

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PngMinus
--------
(copyright Willem van Schaik, 1999)
License
-------
Permission to use, copy, modify, and distribute this software and
its documentation for any purpose and without fee is hereby granted,
provided that the above copyright notice appear in all copies and
that both that copyright notice and this permission notice appear in
supporting documentation. This software is provided "as is" without
express or implied warranty.
Some history
------------
Soon after the creation of PNG in 1995, the need was felt for a set of
pnmtopng / pngtopnm utilities. Independantly Alexander Lehmann and I
(Willem van Schaik) started such a project. Luckily we discovered this
and merged the two together into pnmtopng.tar.gz, which is available
from a/o ftp://ftp.simplesystems.org/pub/libpng/png/.
These two utilities have many, many options and make use of most of the
features of PNG, like gamma, alpha, sbit, text-chunks, etc. This makes
the utilities quite complex and by now not anymore very maintainable.
When we wrote these programs, libpng was still in an early stage.
Therefore, lots of the functionality that we put in our software can now
be done using transform-functions in libpng.
Finally, to compile these programs, you need to have installed and
compiled three libraries: libpng, zlib and netpbm. Especially the latter
makes the whole setup a bit bulky. But that's unavoidable given the many
features of pnmtopng.
What now
--------
At this moment libpng is in a very stable state and can do much of the
work done in pnmtopng. Also, pnmtopng needs to be upgraded to the new
interface of libpng. Hence, it is time for a rewrite from the ground up
of pnmtopng and pngtopnm. This will happen in the near future (stay
tuned). The new package will get a different name to distinguish it from
the old one: PngPlus.
To experiment a bit with the new interface of libpng, I started off with
a small prototype that contains only the basic functionality. It doesn't
have any of the options to read or write special chunks and it will do
no gamma correction. But this makes it also a simple program that is
quite easy to understand and can serve well as a template for other
software developments. (By now there are of course a couple of programs,
like Greg Roelofs' rpng/wpng, that can be used just as good.)
Can and can not
---------------
As this is the small brother of the future PngPlus, I called this fellow
PngMinus. Because I started this development in good-old Turbo-C, I
avoided the use the netpbm library, which requires DOS extenders. Again,
another reason to call it PngMinus (minus netpbm :-). So, part of the
program are some elementary routines to read / write pgm- and ppm-files.
It does not read b&w pbm-files.
The downside of this approach is that you can not use them on images
that require blocks of memory bigger than 64k (the DOS version). For
larger images you will get an out-of-memory error.
As said before, PngMinus doesn't correct for gamma. When reading
png-files you can do this just as well by piping the output of png2pnm
to pnmgamma, one of the standard PbmPlus tools. This same scenario will
most probably also be followed in the full-blown future PngPlus, with
the addition of course of the possibility to create gamma-chunks when
writing png-files.
On the other hand it supports alpha-channels. When reading a png-image
you can write the alpha-channel into a pgm-file. And when creating an
RGB+A png-image, you just combine a ppm-file with a corresponding
pgm-file containing the alpha-channel. When reading, transparency chunks
are converted into an alpha-channel and from there on treated the same
way.
Finally you can opt for writing ascii or binary pgm- and ppm-files. When
the bit-depth is 16, the format will always be ascii.
Using it
--------
To distinguish them from pnmtopng and PngPlus, the utilities are named
png2pnm and pnm2png (2 instead of to). The input- and output-files can
be given as parameters or through redirection. Therefore the programs
can be part of a pipe.
To list the options type "png2pnm -h" or "pnm2png -h".
Just like Scandinavian furniture
--------------------------------
You have to put it together yourself. I did test the software under
MS-DOS with Turbo-C 3.0 and under RedHat Linux 4.2 with gcc. In both
cases I used libpng-1.0.4 and zlib-1.1.3. Later versions should be OK,
however some older libpng versions have a bug in pngmem.c when using
Turbo-C 3.0 (see below).
You can build it using one of the two makefiles (make -f makefile.###)
or use the batch/script files pngminus.bat / pngminus.sh. This assumes
that you have built the libraries in ../libpng and ../zlib. Using Linux,
make sure that you have built libpng with makefile.std and not
makefile.linux (also called .lnx in earlier versions of libpng). The
latter creates a .so shared-library, while the PngMinus makefile assumes
a normal .a static library.
If you create a ../pngsuite directory and then store the basn####.png
files from PngSuite (http://www.schaik.com/pngsuite/) in there, you can
test in one go the proper functioning of PngMinus, see png2pnm.bat and
pnm2png.bat (or the .sh versions).
Warranty
-------
Please, remember that this was just a small experiment to learn a few
things. It will have many unforeseen features <vbg>. Who said bugs? Use
it when you are in need for something simple or when you want to start
developing your own stuff.
The Turbo bug
-------------
** pngmem.old
hptr = (png_byte huge *)((long)(hptr) & 0xfffffff0L);
hptr += 16L;
** pngmem.c
hptr = (png_byte huge *)((long)(hptr) & 0xfffffff0L);
hptr = hptr + 16L;
**
** pngmem.old
png_ptr->offset_table_ptr[i] = (png_bytep)hptr;
hptr += (png_uint_32)65536L;
** pngmem.c
png_ptr->offset_table_ptr[i] = (png_bytep)hptr;
hptr = hptr + 65536L;
**
The end
-------
Willem van Schaik
mailto:willem@schaik.com
http://www.schaik.com/png/
-------
Oct 1999

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# Makefile for PngMinus (png2pnm and pnm2png)
# Linux / Unix
#CC=cc
CC=gcc
LD=$(CC)
RM=rm -f
#PNGPATH = /usr/local
#PNGINC = -I$(PNGPATH)/include/libpng12
#PNGLIB = -L$(PNGPATH)/lib -lpng12
#PNGLIBS = $(PNGPATH)/lib/libpng12.a
PNGINC = -I../..
PNGLIB = -L../.. -lpng
PNGLIBS = ../../libpng.a
#ZPATH = /usr/local
#ZINC = -I$(ZPATH)/include
#ZLIB = -L$(ZPATH)/lib -lz
#ZLIBS = $(ZPATH)/lib/libz.a
ZINC = -I../../../zlib
ZLIB = -L../../../zlib -lz
ZLIBS = ../../../zlib/libz.a
CFLAGS=-O3 $(PNGINC) $(ZINC)
LDFLAGS=$(PNGLIB) $(ZLIB)
LDFLAGSS=$(PNGLIBS) $(ZLIBS)
C=.c
O=.o
L=.a
E=
# dependencies
#all: png2pnm$(E) pnm2png$(E)
all: png2pnm$(E) pnm2png$(E) png2pnm-static$(E) pnm2png-static$(E)
png2pnm$(O): png2pnm$(C)
$(CC) -c $(CFLAGS) png2pnm$(C)
png2pnm$(E): png2pnm$(O)
$(LD) -o png2pnm$(E) png2pnm$(O) $(LDFLAGS) -lm
png2pnm-static$(E): png2pnm$(O)
$(LD) -o png2pnm-static$(E) png2pnm$(O) $(LDFLAGSS) -lm
pnm2png$(O): pnm2png$(C)
$(CC) -c $(CFLAGS) pnm2png$(C)
pnm2png$(E): pnm2png$(O)
$(LD) -o pnm2png$(E) pnm2png$(O) $(LDFLAGS) -lm
pnm2png-static$(E): pnm2png$(O)
$(LD) -o pnm2png-static$(E) pnm2png$(O) $(LDFLAGSS) -lm
clean:
$(RM) png2pnm$(O)
$(RM) pnm2png$(O)
$(RM) png2pnm$(E)
$(RM) pnm2png$(E)
$(RM) png2pnm-static$(E)
$(RM) pnm2png-static$(E)
# End of makefile for png2pnm / pnm2png

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# Makefile for PngMinus (png2pnm and pnm2png)
# TurboC++ 3.0
CC=tcc -Ic:\tc3\inc
LD=tcc -Lc:\tc3\lib
LB=tlib
RM=del
CP=copy
MODEL=l
CCFLAGS=-O -m$(MODEL) -I..\libpng -I..\zlib
LDFLAGS=-m$(MODEL) -L..\libpng -L..\zlib
C=.c
O=.obj
L=.lib
E=.exe
# dependencies
all: png2pnm$(E) pnm2png$(E)
png2pnm$(O): png2pnm$(C)
$(CC) -c $(CCFLAGS) png2pnm$(C)
png2pnm$(E): png2pnm$(O)
$(LD) $(LDFLAGS) png2pnm$(O) libpng$(L) zlib$(L)
pnm2png$(O): pnm2png$(C)
$(CC) -c $(CCFLAGS) pnm2png$(C)
pnm2png$(E): pnm2png$(O)
$(LD) $(LDFLAGS) pnm2png$(O) libpng$(L) zlib$(L)
clean:
$(RM) *$(O)
$(RM) *$(E)
# End of makefile for png2pnm / pnm2png

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$!------------------------------------------------------------------------------
$! make Contrib programs of libpng under OpenVMS
$!
$!
$! Look for the compiler used
$!
$ zlibsrc = "[---.zlib]"
$ ccopt="/include=(''zlibsrc',[--])"
$ if f$getsyi("HW_MODEL").ge.1024
$ then
$ ccopt = "/prefix=all"+ccopt
$ comp = "__decc__=1"
$ if f$trnlnm("SYS").eqs."" then define sys sys$library:
$ else
$ if f$search("SYS$SYSTEM:DECC$COMPILER.EXE").eqs.""
$ then
$ if f$trnlnm("SYS").eqs."" then define sys sys$library:
$ if f$search("SYS$SYSTEM:VAXC.EXE").eqs.""
$ then
$ comp = "__gcc__=1"
$ CC :== GCC
$ else
$ comp = "__vaxc__=1"
$ endif
$ else
$ if f$trnlnm("SYS").eqs."" then define sys decc$library_include:
$ ccopt = "/decc/prefix=all"+ccopt
$ comp = "__decc__=1"
$ endif
$ endif
$ open/write lopt lib.opt
$ write lopt "[--]libpng.olb/lib"
$ write lopt "''zlibsrc'libz.olb/lib"
$ close lopt
$ open/write xopt x11.opt
$ write xopt "sys$library:decw$xlibshr.exe/share"
$ close xopt
$ write sys$output "Compiling PNG contrib programs ..."
$ write sys$output "Building pnm2png..."
$ CALL MAKE pnm2png.OBJ "cc ''CCOPT' pnm2png" -
pnm2png.c
$ call make pnm2png.exe -
"LINK pnm2png,lib.opt/opt" -
pnm2png.obj
$ write sys$output "Building png2pnm..."
$ CALL MAKE png2pnm.OBJ "cc ''CCOPT' png2pnm" -
png2pnm.c
$ call make png2pnm.exe -
"LINK png2pnm,lib.opt/opt" -
png2pnm.obj
$ exit
$!
$!
$MAKE: SUBROUTINE !SUBROUTINE TO CHECK DEPENDENCIES
$ V = 'F$Verify(0)
$! P1 = What we are trying to make
$! P2 = Command to make it
$! P3 - P8 What it depends on
$
$ If F$Search(P1) .Eqs. "" Then Goto Makeit
$ Time = F$CvTime(F$File(P1,"RDT"))
$arg=3
$Loop:
$ Argument = P'arg
$ If Argument .Eqs. "" Then Goto Exit
$ El=0
$Loop2:
$ File = F$Element(El," ",Argument)
$ If File .Eqs. " " Then Goto Endl
$ AFile = ""
$Loop3:
$ OFile = AFile
$ AFile = F$Search(File)
$ If AFile .Eqs. "" .Or. AFile .Eqs. OFile Then Goto NextEl
$ If F$CvTime(F$File(AFile,"RDT")) .Ges. Time Then Goto Makeit
$ Goto Loop3
$NextEL:
$ El = El + 1
$ Goto Loop2
$EndL:
$ arg=arg+1
$ If arg .Le. 8 Then Goto Loop
$ Goto Exit
$
$Makeit:
$ VV=F$VERIFY(0)
$ write sys$output P2
$ 'P2
$ VV='F$Verify(VV)
$Exit:
$ If V Then Set Verify
$ENDSUBROUTINE

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REM -- grayscale
png2pnm.exe -noraw ..\pngsuite\basn0g01.png basn0g01.pgm
png2pnm.exe -noraw ..\pngsuite\basn0g02.png basn0g02.pgm
png2pnm.exe -noraw ..\pngsuite\basn0g04.png basn0g04.pgm
png2pnm.exe -noraw ..\pngsuite\basn0g08.png basn0g08.pgm
png2pnm.exe -noraw ..\pngsuite\basn0g16.png basn0g16.pgm
REM -- full-color
png2pnm.exe -noraw ..\pngsuite\basn2c08.png basn2c08.ppm
png2pnm.exe -noraw ..\pngsuite\basn2c16.png basn2c16.ppm
REM -- palletted
png2pnm.exe -noraw ..\pngsuite\basn3p01.png basn3p01.ppm
png2pnm.exe -noraw ..\pngsuite\basn3p02.png basn3p02.ppm
png2pnm.exe -noraw ..\pngsuite\basn3p04.png basn3p04.ppm
png2pnm.exe -noraw ..\pngsuite\basn3p08.png basn3p08.ppm
REM -- gray with alpha-channel
png2pnm.exe -noraw ..\pngsuite\basn4a08.png basn4a08.pgm
png2pnm.exe -noraw ..\pngsuite\basn4a16.png basn4a16.pgm
REM -- color with alpha-channel
png2pnm.exe -noraw -alpha basn6a08.pgm ..\pngsuite\basn6a08.png basn6a08.ppm
png2pnm.exe -noraw -alpha basn6a16.pgm ..\pngsuite\basn6a16.png basn6a16.ppm
REM -- grayscale
png2pnm.exe -raw ..\pngsuite\basn0g01.png rawn0g01.pgm
png2pnm.exe -raw ..\pngsuite\basn0g02.png rawn0g02.pgm
png2pnm.exe -raw ..\pngsuite\basn0g04.png rawn0g04.pgm
png2pnm.exe -raw ..\pngsuite\basn0g08.png rawn0g08.pgm
png2pnm.exe -raw ..\pngsuite\basn0g16.png rawn0g16.pgm
REM -- full-color
png2pnm.exe -raw ..\pngsuite\basn2c08.png rawn2c08.ppm
png2pnm.exe -raw ..\pngsuite\basn2c16.png rawn2c16.ppm
REM -- palletted
png2pnm.exe -raw ..\pngsuite\basn3p01.png rawn3p01.ppm
png2pnm.exe -raw ..\pngsuite\basn3p02.png rawn3p02.ppm
png2pnm.exe -raw ..\pngsuite\basn3p04.png rawn3p04.ppm
png2pnm.exe -raw ..\pngsuite\basn3p08.png rawn3p08.ppm
REM -- gray with alpha-channel
png2pnm.exe -raw ..\pngsuite\basn4a08.png rawn4a08.pgm
png2pnm.exe -raw ..\pngsuite\basn4a16.png rawn4a16.pgm
REM -- color with alpha-channel
png2pnm.exe -noraw -alpha rawn6a08.pgm ..\pngsuite\basn6a08.png rawn6a08.ppm
png2pnm.exe -noraw -alpha rawn6a16.pgm ..\pngsuite\basn6a16.png rawn6a16.ppm

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/*
* png2pnm.c --- conversion from PNG-file to PGM/PPM-file
* copyright (C) 1999 by Willem van Schaik <willem@schaik.com>
*
* version 1.0 - 1999.10.15 - First version.
*
* Permission to use, copy, modify, and distribute this software and
* its documentation for any purpose and without fee is hereby granted,
* provided that the above copyright notice appear in all copies and
* that both that copyright notice and this permission notice appear in
* supporting documentation. This software is provided "as is" without
* express or implied warranty.
*/
#include <stdio.h>
#include <stdlib.h>
#ifdef __TURBOC__
#include <mem.h>
#include <fcntl.h>
#endif
#ifndef BOOL
#define BOOL unsigned char
#endif
#ifndef TRUE
#define TRUE (BOOL) 1
#endif
#ifndef FALSE
#define FALSE (BOOL) 0
#endif
#ifdef __TURBOC__
#define STDIN 0
#define STDOUT 1
#define STDERR 2
#endif
/* to make png2pnm verbose so we can find problems (needs to be before png.h) */
#ifndef PNG_DEBUG
#define PNG_DEBUG 0
#endif
#include "png.h"
/* Define png_jmpbuf() in case we are using a pre-1.0.6 version of libpng */
#ifndef png_jmpbuf
# define png_jmpbuf(png_ptr) ((png_ptr)->jmpbuf)
#endif
/* function prototypes */
int main (int argc, char *argv[]);
void usage ();
BOOL png2pnm (FILE *png_file, FILE *pnm_file, FILE *alpha_file, BOOL raw, BOOL alpha);
/*
* main
*/
int main(int argc, char *argv[])
{
FILE *fp_rd = stdin;
FILE *fp_wr = stdout;
FILE *fp_al = NULL;
BOOL raw = TRUE;
BOOL alpha = FALSE;
int argi;
for (argi = 1; argi < argc; argi++)
{
if (argv[argi][0] == '-')
{
switch (argv[argi][1])
{
case 'n':
raw = FALSE;
break;
case 'r':
raw = TRUE;
break;
case 'a':
alpha = TRUE;
argi++;
if ((fp_al = fopen (argv[argi], "wb")) == NULL)
{
fprintf (stderr, "PNM2PNG\n");
fprintf (stderr, "Error: can not create alpha-channel file %s\n", argv[argi]);
exit (1);
}
break;
case 'h':
case '?':
usage();
exit(0);
break;
default:
fprintf (stderr, "PNG2PNM\n");
fprintf (stderr, "Error: unknown option %s\n", argv[argi]);
usage();
exit(1);
break;
} /* end switch */
}
else if (fp_rd == stdin)
{
if ((fp_rd = fopen (argv[argi], "rb")) == NULL)
{
fprintf (stderr, "PNG2PNM\n");
fprintf (stderr, "Error: file %s does not exist\n", argv[argi]);
exit (1);
}
}
else if (fp_wr == stdout)
{
if ((fp_wr = fopen (argv[argi], "wb")) == NULL)
{
fprintf (stderr, "PNG2PNM\n");
fprintf (stderr, "Error: can not create file %s\n", argv[argi]);
exit (1);
}
}
else
{
fprintf (stderr, "PNG2PNM\n");
fprintf (stderr, "Error: too many parameters\n");
usage();
exit(1);
}
} /* end for */
#ifdef __TURBOC__
/* set stdin/stdout if required to binary */
if (fp_rd == stdin)
{
setmode (STDIN, O_BINARY);
}
if ((raw) && (fp_wr == stdout))
{
setmode (STDOUT, O_BINARY);
}
#endif
/* call the conversion program itself */
if (png2pnm (fp_rd, fp_wr, fp_al, raw, alpha) == FALSE)
{
fprintf (stderr, "PNG2PNM\n");
fprintf (stderr, "Error: unsuccessful convertion of PNG-image\n");
exit(1);
}
/* close input file */
fclose (fp_rd);
/* close output file */
fclose (fp_wr);
/* close alpha file */
if (alpha)
fclose (fp_al);
return 0;
}
/*
* usage
*/
void usage()
{
fprintf (stderr, "PNG2PNM\n");
fprintf (stderr, " by Willem van Schaik, 1999\n");
#ifdef __TURBOC__
fprintf (stderr, " for Turbo-C and Borland-C compilers\n");
#else
fprintf (stderr, " for Linux (and Unix) compilers\n");
#endif
fprintf (stderr, "Usage: png2pnm [options] <file>.png [<file>.pnm]\n");
fprintf (stderr, " or: ... | png2pnm [options]\n");
fprintf (stderr, "Options:\n");
fprintf (stderr, " -r[aw] write pnm-file in binary format (P4/P5/P6) (default)\n");
fprintf (stderr, " -n[oraw] write pnm-file in ascii format (P1/P2/P3)\n");
fprintf (stderr, " -a[lpha] <file>.pgm write PNG alpha channel as pgm-file\n");
fprintf (stderr, " -h | -? print this help-information\n");
}
/*
* png2pnm
*/
BOOL png2pnm (FILE *png_file, FILE *pnm_file, FILE *alpha_file, BOOL raw, BOOL alpha)
{
png_struct *png_ptr = NULL;
png_info *info_ptr = NULL;
png_byte buf[8];
png_byte *png_pixels = NULL;
png_byte **row_pointers = NULL;
png_byte *pix_ptr = NULL;
png_uint_32 row_bytes;
png_uint_32 width;
png_uint_32 height;
int bit_depth;
int channels;
int color_type;
int alpha_present;
int row, col;
int ret;
int i;
long dep_16;
/* read and check signature in PNG file */
ret = fread (buf, 1, 8, png_file);
if (ret != 8)
return FALSE;
ret = png_sig_cmp (buf, 0, 8);
if (ret)
return FALSE;
/* create png and info structures */
png_ptr = png_create_read_struct (PNG_LIBPNG_VER_STRING,
NULL, NULL, NULL);
if (!png_ptr)
return FALSE; /* out of memory */
info_ptr = png_create_info_struct (png_ptr);
if (!info_ptr)
{
png_destroy_read_struct (&png_ptr, NULL, NULL);
return FALSE; /* out of memory */
}
if (setjmp (png_jmpbuf(png_ptr)))
{
png_destroy_read_struct (&png_ptr, &info_ptr, NULL);
return FALSE;
}
/* set up the input control for C streams */
png_init_io (png_ptr, png_file);
png_set_sig_bytes (png_ptr, 8); /* we already read the 8 signature bytes */
/* read the file information */
png_read_info (png_ptr, info_ptr);
/* get size and bit-depth of the PNG-image */
png_get_IHDR (png_ptr, info_ptr,
&width, &height, &bit_depth, &color_type,
NULL, NULL, NULL);
/* set-up the transformations */
/* transform paletted images into full-color rgb */
if (color_type == PNG_COLOR_TYPE_PALETTE)
png_set_expand (png_ptr);
/* expand images to bit-depth 8 (only applicable for grayscale images) */
if (color_type == PNG_COLOR_TYPE_GRAY && bit_depth < 8)
png_set_expand (png_ptr);
/* transform transparency maps into full alpha-channel */
if (png_get_valid (png_ptr, info_ptr, PNG_INFO_tRNS))
png_set_expand (png_ptr);
#ifdef NJET
/* downgrade 16-bit images to 8 bit */
if (bit_depth == 16)
png_set_strip_16 (png_ptr);
/* transform grayscale images into full-color */
if (color_type == PNG_COLOR_TYPE_GRAY ||
color_type == PNG_COLOR_TYPE_GRAY_ALPHA)
png_set_gray_to_rgb (png_ptr);
/* only if file has a file gamma, we do a correction */
if (png_get_gAMA (png_ptr, info_ptr, &file_gamma))
png_set_gamma (png_ptr, (double) 2.2, file_gamma);
#endif
/* all transformations have been registered; now update info_ptr data,
* get rowbytes and channels, and allocate image memory */
png_read_update_info (png_ptr, info_ptr);
/* get the new color-type and bit-depth (after expansion/stripping) */
png_get_IHDR (png_ptr, info_ptr, &width, &height, &bit_depth, &color_type,
NULL, NULL, NULL);
/* check for 16-bit files */
if (bit_depth == 16)
{
raw = FALSE;
#ifdef __TURBOC__
pnm_file->flags &= ~((unsigned) _F_BIN);
#endif
}
/* calculate new number of channels and store alpha-presence */
if (color_type == PNG_COLOR_TYPE_GRAY)
channels = 1;
else if (color_type == PNG_COLOR_TYPE_GRAY_ALPHA)
channels = 2;
else if (color_type == PNG_COLOR_TYPE_RGB)
channels = 3;
else if (color_type == PNG_COLOR_TYPE_RGB_ALPHA)
channels = 4;
else
channels = 0; /* should never happen */
alpha_present = (channels - 1) % 2;
/* check if alpha is expected to be present in file */
if (alpha && !alpha_present)
{
fprintf (stderr, "PNG2PNM\n");
fprintf (stderr, "Error: PNG-file doesn't contain alpha channel\n");
exit (1);
}
/* row_bytes is the width x number of channels x (bit-depth / 8) */
row_bytes = png_get_rowbytes (png_ptr, info_ptr);
if ((png_pixels = (png_byte *) malloc (row_bytes * height * sizeof (png_byte))) == NULL) {
png_destroy_read_struct (&png_ptr, &info_ptr, NULL);
return FALSE;
}
if ((row_pointers = (png_byte **) malloc (height * sizeof (png_bytep))) == NULL)
{
png_destroy_read_struct (&png_ptr, &info_ptr, NULL);
free (png_pixels);
png_pixels = NULL;
return FALSE;
}
/* set the individual row_pointers to point at the correct offsets */
for (i = 0; i < (height); i++)
row_pointers[i] = png_pixels + i * row_bytes;
/* now we can go ahead and just read the whole image */
png_read_image (png_ptr, row_pointers);
/* read rest of file, and get additional chunks in info_ptr - REQUIRED */
png_read_end (png_ptr, info_ptr);
/* clean up after the read, and free any memory allocated - REQUIRED */
png_destroy_read_struct (&png_ptr, &info_ptr, (png_infopp) NULL);
/* write header of PNM file */
if ((color_type == PNG_COLOR_TYPE_GRAY) ||
(color_type == PNG_COLOR_TYPE_GRAY_ALPHA))
{
fprintf (pnm_file, "%s\n", (raw) ? "P5" : "P2");
fprintf (pnm_file, "%d %d\n", (int) width, (int) height);
fprintf (pnm_file, "%ld\n", ((1L << (int) bit_depth) - 1L));
}
else if ((color_type == PNG_COLOR_TYPE_RGB) ||
(color_type == PNG_COLOR_TYPE_RGB_ALPHA))
{
fprintf (pnm_file, "%s\n", (raw) ? "P6" : "P3");
fprintf (pnm_file, "%d %d\n", (int) width, (int) height);
fprintf (pnm_file, "%ld\n", ((1L << (int) bit_depth) - 1L));
}
/* write header of PGM file with alpha channel */
if ((alpha) &&
((color_type == PNG_COLOR_TYPE_GRAY_ALPHA) ||
(color_type == PNG_COLOR_TYPE_RGB_ALPHA)))
{
fprintf (alpha_file, "%s\n", (raw) ? "P5" : "P2");
fprintf (alpha_file, "%d %d\n", (int) width, (int) height);
fprintf (alpha_file, "%ld\n", ((1L << (int) bit_depth) - 1L));
}
/* write data to PNM file */
pix_ptr = png_pixels;
for (row = 0; row < height; row++)
{
for (col = 0; col < width; col++)
{
for (i = 0; i < (channels - alpha_present); i++)
{
if (raw)
fputc ((int) *pix_ptr++ , pnm_file);
else
if (bit_depth == 16){
dep_16 = (long) *pix_ptr++;
fprintf (pnm_file, "%ld ", (dep_16 << 8) + ((long) *pix_ptr++));
}
else
fprintf (pnm_file, "%ld ", (long) *pix_ptr++);
}
if (alpha_present)
{
if (!alpha)
{
pix_ptr++; /* alpha */
if (bit_depth == 16)
pix_ptr++;
}
else /* output alpha-channel as pgm file */
{
if (raw)
fputc ((int) *pix_ptr++ , alpha_file);
else
if (bit_depth == 16){
dep_16 = (long) *pix_ptr++;
fprintf (alpha_file, "%ld ", (dep_16 << 8) + (long) *pix_ptr++);
}
else
fprintf (alpha_file, "%ld ", (long) *pix_ptr++);
}
} /* if alpha_present */
if (!raw)
if (col % 4 == 3)
fprintf (pnm_file, "\n");
} /* end for col */
if (!raw)
if (col % 4 != 0)
fprintf (pnm_file, "\n");
} /* end for row */
if (row_pointers != (unsigned char**) NULL)
free (row_pointers);
if (png_pixels != (unsigned char*) NULL)
free (png_pixels);
return TRUE;
} /* end of source */

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#!/bin/sh
# -- grayscale
./png2pnm -noraw ../pngsuite/basn0g01.png basn0g01.pgm
./png2pnm -noraw ../pngsuite/basn0g02.png basn0g02.pgm
./png2pnm -noraw ../pngsuite/basn0g04.png basn0g04.pgm
./png2pnm -noraw ../pngsuite/basn0g08.png basn0g08.pgm
./png2pnm -noraw ../pngsuite/basn0g16.png basn0g16.pgm
# -- full-color
./png2pnm -noraw ../pngsuite/basn2c08.png basn2c08.ppm
./png2pnm -noraw ../pngsuite/basn2c16.png basn2c16.ppm
# -- palletted
./png2pnm -noraw ../pngsuite/basn3p01.png basn3p01.ppm
./png2pnm -noraw ../pngsuite/basn3p02.png basn3p02.ppm
./png2pnm -noraw ../pngsuite/basn3p04.png basn3p04.ppm
./png2pnm -noraw ../pngsuite/basn3p08.png basn3p08.ppm
# -- gray with alpha-channel
./png2pnm -noraw ../pngsuite/basn4a08.png basn4a08.pgm
./png2pnm -noraw ../pngsuite/basn4a16.png basn4a16.pgm
# -- color with alpha-channel
./png2pnm -noraw -alpha basn6a08.pgm ../pngsuite/basn6a08.png basn6a08.ppm
./png2pnm -noraw -alpha basn6a16.pgm ../pngsuite/basn6a16.png basn6a16.ppm
# -- grayscale
./png2pnm -raw ../pngsuite/basn0g01.png rawn0g01.pgm
./png2pnm -raw ../pngsuite/basn0g02.png rawn0g02.pgm
./png2pnm -raw ../pngsuite/basn0g04.png rawn0g04.pgm
./png2pnm -raw ../pngsuite/basn0g08.png rawn0g08.pgm
./png2pnm -raw ../pngsuite/basn0g16.png rawn0g16.pgm
# -- full-color
./png2pnm -raw ../pngsuite/basn2c08.png rawn2c08.ppm
./png2pnm -raw ../pngsuite/basn2c16.png rawn2c16.ppm
# -- palletted
./png2pnm -raw ../pngsuite/basn3p01.png rawn3p01.ppm
./png2pnm -raw ../pngsuite/basn3p02.png rawn3p02.ppm
./png2pnm -raw ../pngsuite/basn3p04.png rawn3p04.ppm
./png2pnm -raw ../pngsuite/basn3p08.png rawn3p08.ppm
# -- gray with alpha-channel
./png2pnm -raw ../pngsuite/basn4a08.png rawn4a08.pgm
./png2pnm -raw ../pngsuite/basn4a16.png rawn4a16.pgm
# -- color with alpha-channel
./png2pnm -noraw -alpha rawn6a08.pgm ../pngsuite/basn6a08.png rawn6a08.ppm
./png2pnm -noraw -alpha rawn6a16.pgm ../pngsuite/basn6a16.png rawn6a16.ppm

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make -f makefile.tc3
call png2pnm.bat
call pnm2png.bat

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#!/bin/sh
make -f makefile.std
sh png2pnm.sh
sh pnm2png.sh

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REM -- grayscale
pnm2png.exe basn0g01.pgm basn0g01.png
pnm2png.exe basn0g02.pgm basn0g02.png
pnm2png.exe basn0g04.pgm basn0g04.png
pnm2png.exe basn0g08.pgm basn0g08.png
pnm2png.exe basn0g16.pgm basn0g16.png
REM -- full-color
pnm2png.exe basn2c08.ppm basn2c08.png
pnm2png.exe basn2c16.ppm basn2c16.png
REM -- palletted
pnm2png.exe basn3p01.ppm basn3p01.png
pnm2png.exe basn3p02.ppm basn3p02.png
pnm2png.exe basn3p04.ppm basn3p04.png
pnm2png.exe basn3p08.ppm basn3p08.png
REM -- gray with alpha-channel
pnm2png.exe -alpha basn6a08.pgm basn4a08.pgm basn4a08.png
pnm2png.exe -alpha basn6a16.pgm basn4a16.pgm basn4a16.png
REM -- color with alpha-channel
pnm2png.exe -alpha basn6a08.pgm basn6a08.ppm basn6a08.png
pnm2png.exe -alpha basn6a16.pgm basn6a16.ppm basn6a16.png
REM -- grayscale
pnm2png.exe rawn0g01.pgm rawn0g01.png
pnm2png.exe rawn0g02.pgm rawn0g02.png
pnm2png.exe rawn0g04.pgm rawn0g04.png
pnm2png.exe rawn0g08.pgm rawn0g08.png
pnm2png.exe rawn0g16.pgm rawn0g16.png
REM -- full-color
pnm2png.exe rawn2c08.ppm rawn2c08.png
pnm2png.exe rawn2c16.ppm rawn2c16.png
REM -- palletted
pnm2png.exe rawn3p01.ppm rawn3p01.png
pnm2png.exe rawn3p02.ppm rawn3p02.png
pnm2png.exe rawn3p04.ppm rawn3p04.png
pnm2png.exe rawn3p08.ppm rawn3p08.png
REM -- gray with alpha-channel
pnm2png.exe -alpha rawn6a08.pgm rawn4a08.pgm rawn4a08.png
pnm2png.exe -alpha rawn6a16.pgm rawn4a16.pgm rawn4a16.png
REM -- color with alpha-channel
pnm2png.exe -alpha rawn6a08.pgm rawn6a08.ppm rawn6a08.png
pnm2png.exe -alpha rawn6a16.pgm rawn6a16.ppm rawn6a16.png

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/*
* pnm2png.c --- conversion from PBM/PGM/PPM-file to PNG-file
* copyright (C) 1999 by Willem van Schaik <willem@schaik.com>
*
* version 1.0 - 1999.10.15 - First version.
*
* Permission to use, copy, modify, and distribute this software and
* its documentation for any purpose and without fee is hereby granted,
* provided that the above copyright notice appear in all copies and
* that both that copyright notice and this permission notice appear in
* supporting documentation. This software is provided "as is" without
* express or implied warranty.
*/
#include <stdio.h>
#include <stdlib.h>
#ifdef __TURBOC__
#include <mem.h>
#include <fcntl.h>
#endif
#ifndef BOOL
#define BOOL unsigned char
#endif
#ifndef TRUE
#define TRUE (BOOL) 1
#endif
#ifndef FALSE
#define FALSE (BOOL) 0
#endif
#define STDIN 0
#define STDOUT 1
#define STDERR 2
/* to make pnm2png verbose so we can find problems (needs to be before png.h) */
#ifndef PNG_DEBUG
#define PNG_DEBUG 0
#endif
#include "png.h"
/* Define png_jmpbuf() in case we are using a pre-1.0.6 version of libpng */
#ifndef png_jmpbuf
# define png_jmpbuf(png_ptr) ((png_ptr)->jmpbuf)
#endif
/* function prototypes */
int main (int argc, char *argv[]);
void usage ();
BOOL pnm2png (FILE *pnm_file, FILE *png_file, FILE *alpha_file, BOOL interlace, BOOL alpha);
void get_token(FILE *pnm_file, char *token);
png_uint_32 get_data (FILE *pnm_file, int depth);
png_uint_32 get_value (FILE *pnm_file, int depth);
/*
* main
*/
int main(int argc, char *argv[])
{
FILE *fp_rd = stdin;
FILE *fp_al = NULL;
FILE *fp_wr = stdout;
BOOL interlace = FALSE;
BOOL alpha = FALSE;
int argi;
for (argi = 1; argi < argc; argi++)
{
if (argv[argi][0] == '-')
{
switch (argv[argi][1])
{
case 'i':
interlace = TRUE;
break;
case 'a':
alpha = TRUE;
argi++;
if ((fp_al = fopen (argv[argi], "rb")) == NULL)
{
fprintf (stderr, "PNM2PNG\n");
fprintf (stderr, "Error: alpha-channel file %s does not exist\n",
argv[argi]);
exit (1);
}
break;
case 'h':
case '?':
usage();
exit(0);
break;
default:
fprintf (stderr, "PNM2PNG\n");
fprintf (stderr, "Error: unknown option %s\n", argv[argi]);
usage();
exit(1);
break;
} /* end switch */
}
else if (fp_rd == stdin)
{
if ((fp_rd = fopen (argv[argi], "rb")) == NULL)
{
fprintf (stderr, "PNM2PNG\n");
fprintf (stderr, "Error: file %s does not exist\n", argv[argi]);
exit (1);
}
}
else if (fp_wr == stdout)
{
if ((fp_wr = fopen (argv[argi], "wb")) == NULL)
{
fprintf (stderr, "PNM2PNG\n");
fprintf (stderr, "Error: can not create PNG-file %s\n", argv[argi]);
exit (1);
}
}
else
{
fprintf (stderr, "PNM2PNG\n");
fprintf (stderr, "Error: too many parameters\n");
usage();
exit (1);
}
} /* end for */
#ifdef __TURBOC__
/* set stdin/stdout to binary, we're reading the PNM always! in binary format */
if (fp_rd == stdin)
{
setmode (STDIN, O_BINARY);
}
if (fp_wr == stdout)
{
setmode (STDOUT, O_BINARY);
}
#endif
/* call the conversion program itself */
if (pnm2png (fp_rd, fp_wr, fp_al, interlace, alpha) == FALSE)
{
fprintf (stderr, "PNM2PNG\n");
fprintf (stderr, "Error: unsuccessful converting to PNG-image\n");
exit (1);
}
/* close input file */
fclose (fp_rd);
/* close output file */
fclose (fp_wr);
/* close alpha file */
if (alpha)
fclose (fp_al);
return 0;
}
/*
* usage
*/
void usage()
{
fprintf (stderr, "PNM2PNG\n");
fprintf (stderr, " by Willem van Schaik, 1999\n");
#ifdef __TURBOC__
fprintf (stderr, " for Turbo-C and Borland-C compilers\n");
#else
fprintf (stderr, " for Linux (and Unix) compilers\n");
#endif
fprintf (stderr, "Usage: pnm2png [options] <file>.<pnm> [<file>.png]\n");
fprintf (stderr, " or: ... | pnm2png [options]\n");
fprintf (stderr, "Options:\n");
fprintf (stderr, " -i[nterlace] write png-file with interlacing on\n");
fprintf (stderr, " -a[lpha] <file>.pgm read PNG alpha channel as pgm-file\n");
fprintf (stderr, " -h | -? print this help-information\n");
}
/*
* pnm2png
*/
BOOL pnm2png (FILE *pnm_file, FILE *png_file, FILE *alpha_file, BOOL interlace, BOOL alpha)
{
png_struct *png_ptr = NULL;
png_info *info_ptr = NULL;
png_byte *png_pixels = NULL;
png_byte **row_pointers = NULL;
png_byte *pix_ptr = NULL;
png_uint_32 row_bytes;
char type_token[16];
char width_token[16];
char height_token[16];
char maxval_token[16];
int color_type;
png_uint_32 width, alpha_width;
png_uint_32 height, alpha_height;
png_uint_32 maxval;
int bit_depth = 0;
int channels;
int alpha_depth = 0;
int alpha_present;
int row, col;
BOOL raw, alpha_raw = FALSE;
png_uint_32 tmp16;
int i;
/* read header of PNM file */
get_token(pnm_file, type_token);
if (type_token[0] != 'P')
{
return FALSE;
}
else if ((type_token[1] == '1') || (type_token[1] == '4'))
{
raw = (type_token[1] == '4');
color_type = PNG_COLOR_TYPE_GRAY;
bit_depth = 1;
}
else if ((type_token[1] == '2') || (type_token[1] == '5'))
{
raw = (type_token[1] == '5');
color_type = PNG_COLOR_TYPE_GRAY;
get_token(pnm_file, width_token);
sscanf (width_token, "%lu", &width);
get_token(pnm_file, height_token);
sscanf (height_token, "%lu", &height);
get_token(pnm_file, maxval_token);
sscanf (maxval_token, "%lu", &maxval);
if (maxval <= 1)
bit_depth = 1;
else if (maxval <= 3)
bit_depth = 2;
else if (maxval <= 15)
bit_depth = 4;
else if (maxval <= 255)
bit_depth = 8;
else /* if (maxval <= 65535) */
bit_depth = 16;
}
else if ((type_token[1] == '3') || (type_token[1] == '6'))
{
raw = (type_token[1] == '6');
color_type = PNG_COLOR_TYPE_RGB;
get_token(pnm_file, width_token);
sscanf (width_token, "%lu", &width);
get_token(pnm_file, height_token);
sscanf (height_token, "%lu", &height);
get_token(pnm_file, maxval_token);
sscanf (maxval_token, "%lu", &maxval);
if (maxval <= 1)
bit_depth = 1;
else if (maxval <= 3)
bit_depth = 2;
else if (maxval <= 15)
bit_depth = 4;
else if (maxval <= 255)
bit_depth = 8;
else /* if (maxval <= 65535) */
bit_depth = 16;
}
else
{
return FALSE;
}
/* read header of PGM file with alpha channel */
if (alpha)
{
if (color_type == PNG_COLOR_TYPE_GRAY)
color_type = PNG_COLOR_TYPE_GRAY_ALPHA;
if (color_type == PNG_COLOR_TYPE_RGB)
color_type = PNG_COLOR_TYPE_RGB_ALPHA;
get_token(alpha_file, type_token);
if (type_token[0] != 'P')
{
return FALSE;
}
else if ((type_token[1] == '2') || (type_token[1] == '5'))
{
alpha_raw = (type_token[1] == '5');
get_token(alpha_file, width_token);
sscanf (width_token, "%lu", &alpha_width);
if (alpha_width != width)
return FALSE;
get_token(alpha_file, height_token);
sscanf (height_token, "%lu", &alpha_height);
if (alpha_height != height)
return FALSE;
get_token(alpha_file, maxval_token);
sscanf (maxval_token, "%lu", &maxval);
if (maxval <= 1)
alpha_depth = 1;
else if (maxval <= 3)
alpha_depth = 2;
else if (maxval <= 15)
alpha_depth = 4;
else if (maxval <= 255)
alpha_depth = 8;
else /* if (maxval <= 65535) */
alpha_depth = 16;
if (alpha_depth != bit_depth)
return FALSE;
}
else
{
return FALSE;
}
} /* end if alpha */
/* calculate the number of channels and store alpha-presence */
if (color_type == PNG_COLOR_TYPE_GRAY)
channels = 1;
else if (color_type == PNG_COLOR_TYPE_GRAY_ALPHA)
channels = 2;
else if (color_type == PNG_COLOR_TYPE_RGB)
channels = 3;
else if (color_type == PNG_COLOR_TYPE_RGB_ALPHA)
channels = 4;
else
channels = 0; /* should not happen */
alpha_present = (channels - 1) % 2;
/* row_bytes is the width x number of channels x (bit-depth / 8) */
row_bytes = width * channels * ((bit_depth <= 8) ? 1 : 2);
if ((png_pixels = (png_byte *) malloc (row_bytes * height * sizeof (png_byte))) == NULL)
return FALSE;
/* read data from PNM file */
pix_ptr = png_pixels;
for (row = 0; row < height; row++)
{
for (col = 0; col < width; col++)
{
for (i = 0; i < (channels - alpha_present); i++)
{
if (raw)
*pix_ptr++ = get_data (pnm_file, bit_depth);
else
if (bit_depth <= 8)
*pix_ptr++ = get_value (pnm_file, bit_depth);
else
{
tmp16 = get_value (pnm_file, bit_depth);
*pix_ptr = (png_byte) ((tmp16 >> 8) & 0xFF);
pix_ptr++;
*pix_ptr = (png_byte) (tmp16 & 0xFF);
pix_ptr++;
}
}
if (alpha) /* read alpha-channel from pgm file */
{
if (alpha_raw)
*pix_ptr++ = get_data (alpha_file, alpha_depth);
else
if (alpha_depth <= 8)
*pix_ptr++ = get_value (alpha_file, bit_depth);
else
{
tmp16 = get_value (alpha_file, bit_depth);
*pix_ptr++ = (png_byte) ((tmp16 >> 8) & 0xFF);
*pix_ptr++ = (png_byte) (tmp16 & 0xFF);
}
} /* if alpha */
} /* end for col */
} /* end for row */
/* prepare the standard PNG structures */
png_ptr = png_create_write_struct (PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
if (!png_ptr)
{
return FALSE;
}
info_ptr = png_create_info_struct (png_ptr);
if (!info_ptr)
{
png_destroy_write_struct (&png_ptr, (png_infopp) NULL);
return FALSE;
}
/* setjmp() must be called in every function that calls a PNG-reading libpng function */
if (setjmp (png_jmpbuf(png_ptr)))
{
png_destroy_write_struct (&png_ptr, (png_infopp) NULL);
return FALSE;
}
/* initialize the png structure */
png_init_io (png_ptr, png_file);
/* we're going to write more or less the same PNG as the input file */
png_set_IHDR (png_ptr, info_ptr, width, height, bit_depth, color_type,
(!interlace) ? PNG_INTERLACE_NONE : PNG_INTERLACE_ADAM7,
PNG_COMPRESSION_TYPE_BASE, PNG_FILTER_TYPE_BASE);
/* write the file header information */
png_write_info (png_ptr, info_ptr);
/* if needed we will allocate memory for an new array of row-pointers */
if (row_pointers == (unsigned char**) NULL)
{
if ((row_pointers = (png_byte **) malloc (height * sizeof (png_bytep))) == NULL)
{
png_destroy_write_struct (&png_ptr, (png_infopp) NULL);
return FALSE;
}
}
/* set the individual row_pointers to point at the correct offsets */
for (i = 0; i < (height); i++)
row_pointers[i] = png_pixels + i * row_bytes;
/* write out the entire image data in one call */
png_write_image (png_ptr, row_pointers);
/* write the additional chuncks to the PNG file (not really needed) */
png_write_end (png_ptr, info_ptr);
/* clean up after the write, and free any memory allocated */
png_destroy_write_struct (&png_ptr, (png_infopp) NULL);
if (row_pointers != (unsigned char**) NULL)
free (row_pointers);
if (png_pixels != (unsigned char*) NULL)
free (png_pixels);
return TRUE;
} /* end of pnm2png */
/*
* get_token() - gets the first string after whitespace
*/
void get_token(FILE *pnm_file, char *token)
{
int i = 0;
/* remove white-space */
do
{
token[i] = (unsigned char) fgetc (pnm_file);
}
while ((token[i] == '\n') || (token[i] == '\r') || (token[i] == ' '));
/* read string */
do
{
i++;
token[i] = (unsigned char) fgetc (pnm_file);
}
while ((token[i] != '\n') && (token[i] != '\r') && (token[i] != ' '));
token[i] = '\0';
return;
}
/*
* get_data() - takes first byte and converts into next pixel value,
* taking as much bits as defined by bit-depth and
* using the bit-depth to fill up a byte (0Ah -> AAh)
*/
png_uint_32 get_data (FILE *pnm_file, int depth)
{
static int bits_left = 0;
static int old_value = 0;
static int mask = 0;
int i;
png_uint_32 ret_value;
if (mask == 0)
for (i = 0; i < depth; i++)
mask = (mask >> 1) | 0x80;
if (bits_left <= 0)
{
old_value = fgetc (pnm_file);
bits_left = 8;
}
ret_value = old_value & mask;
for (i = 1; i < (8 / depth); i++)
ret_value = ret_value || (ret_value >> depth);
old_value = (old_value << depth) & 0xFF;
bits_left -= depth;
return ret_value;
}
/*
* get_value() - takes first (numeric) string and converts into number,
* using the bit-depth to fill up a byte (0Ah -> AAh)
*/
png_uint_32 get_value (FILE *pnm_file, int depth)
{
static png_uint_32 mask = 0;
png_byte token[16];
png_uint_32 ret_value;
int i = 0;
if (mask == 0)
for (i = 0; i < depth; i++)
mask = (mask << 1) | 0x01;
get_token (pnm_file, (char *) token);
sscanf ((const char *) token, "%lu", &ret_value);
ret_value &= mask;
if (depth < 8)
for (i = 0; i < (8 / depth); i++)
ret_value = (ret_value << depth) || ret_value;
return ret_value;
}
/* end of source */

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#!/bin/sh
# -- grayscale
./pnm2png basn0g01.pgm basn0g01.png
./pnm2png basn0g02.pgm basn0g02.png
./pnm2png basn0g04.pgm basn0g04.png
./pnm2png basn0g08.pgm basn0g08.png
./pnm2png basn0g16.pgm basn0g16.png
# -- full-color
./pnm2png basn2c08.ppm basn2c08.png
./pnm2png basn2c16.ppm basn2c16.png
# -- palletted
./pnm2png basn3p01.ppm basn3p01.png
./pnm2png basn3p02.ppm basn3p02.png
./pnm2png basn3p04.ppm basn3p04.png
./pnm2png basn3p08.ppm basn3p08.png
# -- gray with alpha-channel
./pnm2png -alpha basn6a08.pgm basn4a08.pgm basn4a08.png
./pnm2png -alpha basn6a16.pgm basn4a16.pgm basn4a16.png
# -- color with alpha-channel
./pnm2png -alpha basn6a08.pgm basn6a08.ppm basn6a08.png
./pnm2png -alpha basn6a16.pgm basn6a16.ppm basn6a16.png
# -- grayscale
./pnm2png rawn0g01.pgm rawn0g01.png
./pnm2png rawn0g02.pgm rawn0g02.png
./pnm2png rawn0g04.pgm rawn0g04.png
./pnm2png rawn0g08.pgm rawn0g08.png
./pnm2png rawn0g16.pgm rawn0g16.png
# -- full-color
./pnm2png rawn2c08.ppm rawn2c08.png
./pnm2png rawn2c16.ppm rawn2c16.png
# -- palletted
./pnm2png rawn3p01.ppm rawn3p01.png
./pnm2png rawn3p02.ppm rawn3p02.png
./pnm2png rawn3p04.ppm rawn3p04.png
./pnm2png rawn3p08.ppm rawn3p08.png
# -- gray with alpha-channel
./pnm2png -alpha rawn6a08.pgm rawn4a08.pgm rawn4a08.png
./pnm2png -alpha rawn6a16.pgm rawn4a16.pgm rawn4a16.png
# -- color with alpha-channel
./pnm2png -alpha rawn6a08.pgm rawn6a08.ppm rawn6a08.png
./pnm2png -alpha rawn6a16.pgm rawn6a16.ppm rawn6a16.png

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//-------------------------------------
// PNGFILE.C -- Image File Functions
//-------------------------------------
// Copyright 2000, Willem van Schaik.
//
// This code is released under the libpng license.
// For conditions of distribution and use, see the disclaimer
// and license in png.h
#include <windows.h>
#include <commdlg.h>
#include <stdio.h>
#include <stdlib.h>
#include "png.h"
#include "pngfile.h"
#include "cexcept.h"
define_exception_type(const char *);
extern struct exception_context the_exception_context[1];
struct exception_context the_exception_context[1];
png_const_charp msg;
static OPENFILENAME ofn;
static png_structp png_ptr = NULL;
static png_infop info_ptr = NULL;
// cexcept interface
static void
png_cexcept_error(png_structp png_ptr, png_const_charp msg)
{
if(png_ptr)
;
#ifdef PNG_CONSOLE_IO_SUPPORTED
fprintf(stderr, "libpng error: %s\n", msg);
#endif
{
Throw msg;
}
}
// Windows open-file functions
void PngFileInitialize (HWND hwnd)
{
static TCHAR szFilter[] = TEXT ("PNG Files (*.PNG)\0*.png\0")
TEXT ("All Files (*.*)\0*.*\0\0");
ofn.lStructSize = sizeof (OPENFILENAME);
ofn.hwndOwner = hwnd;
ofn.hInstance = NULL;
ofn.lpstrFilter = szFilter;
ofn.lpstrCustomFilter = NULL;
ofn.nMaxCustFilter = 0;
ofn.nFilterIndex = 0;
ofn.lpstrFile = NULL; // Set in Open and Close functions
ofn.nMaxFile = MAX_PATH;
ofn.lpstrFileTitle = NULL; // Set in Open and Close functions
ofn.nMaxFileTitle = MAX_PATH;
ofn.lpstrInitialDir = NULL;
ofn.lpstrTitle = NULL;
ofn.Flags = 0; // Set in Open and Close functions
ofn.nFileOffset = 0;
ofn.nFileExtension = 0;
ofn.lpstrDefExt = TEXT ("png");
ofn.lCustData = 0;
ofn.lpfnHook = NULL;
ofn.lpTemplateName = NULL;
}
BOOL PngFileOpenDlg (HWND hwnd, PTSTR pstrFileName, PTSTR pstrTitleName)
{
ofn.hwndOwner = hwnd;
ofn.lpstrFile = pstrFileName;
ofn.lpstrFileTitle = pstrTitleName;
ofn.Flags = OFN_HIDEREADONLY;
return GetOpenFileName (&ofn);
}
BOOL PngFileSaveDlg (HWND hwnd, PTSTR pstrFileName, PTSTR pstrTitleName)
{
ofn.hwndOwner = hwnd;
ofn.lpstrFile = pstrFileName;
ofn.lpstrFileTitle = pstrTitleName;
ofn.Flags = OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT;
return GetSaveFileName (&ofn);
}
// PNG image handler functions
BOOL PngLoadImage (PTSTR pstrFileName, png_byte **ppbImageData,
int *piWidth, int *piHeight, int *piChannels, png_color *pBkgColor)
{
static FILE *pfFile;
png_byte pbSig[8];
int iBitDepth;
int iColorType;
double dGamma;
png_color_16 *pBackground;
png_uint_32 ulChannels;
png_uint_32 ulRowBytes;
png_byte *pbImageData = *ppbImageData;
static png_byte **ppbRowPointers = NULL;
int i;
// open the PNG input file
if (!pstrFileName)
{
*ppbImageData = pbImageData = NULL;
return FALSE;
}
if (!(pfFile = fopen(pstrFileName, "rb")))
{
*ppbImageData = pbImageData = NULL;
return FALSE;
}
// first check the eight byte PNG signature
fread(pbSig, 1, 8, pfFile);
if (png_sig_cmp(pbSig, 0, 8))
{
*ppbImageData = pbImageData = NULL;
return FALSE;
}
// create the two png(-info) structures
png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, NULL,
(png_error_ptr)png_cexcept_error, (png_error_ptr)NULL);
if (!png_ptr)
{
*ppbImageData = pbImageData = NULL;
return FALSE;
}
info_ptr = png_create_info_struct(png_ptr);
if (!info_ptr)
{
png_destroy_read_struct(&png_ptr, NULL, NULL);
*ppbImageData = pbImageData = NULL;
return FALSE;
}
Try
{
// initialize the png structure
#ifdef PNG_STDIO_SUPPORTED
png_init_io(png_ptr, pfFile);
#else
png_set_read_fn(png_ptr, (png_voidp)pfFile, png_read_data);
#endif
png_set_sig_bytes(png_ptr, 8);
// read all PNG info up to image data
png_read_info(png_ptr, info_ptr);
// get width, height, bit-depth and color-type
png_get_IHDR(png_ptr, info_ptr, piWidth, piHeight, &iBitDepth,
&iColorType, NULL, NULL, NULL);
// expand images of all color-type and bit-depth to 3x8 bit RGB images
// let the library process things like alpha, transparency, background
if (iBitDepth == 16)
png_set_strip_16(png_ptr);
if (iColorType == PNG_COLOR_TYPE_PALETTE)
png_set_expand(png_ptr);
if (iBitDepth < 8)
png_set_expand(png_ptr);
if (png_get_valid(png_ptr, info_ptr, PNG_INFO_tRNS))
png_set_expand(png_ptr);
if (iColorType == PNG_COLOR_TYPE_GRAY ||
iColorType == PNG_COLOR_TYPE_GRAY_ALPHA)
png_set_gray_to_rgb(png_ptr);
// set the background color to draw transparent and alpha images over.
if (png_get_bKGD(png_ptr, info_ptr, &pBackground))
{
png_set_background(png_ptr, pBackground, PNG_BACKGROUND_GAMMA_FILE, 1, 1.0);
pBkgColor->red = (byte) pBackground->red;
pBkgColor->green = (byte) pBackground->green;
pBkgColor->blue = (byte) pBackground->blue;
}
else
{
pBkgColor = NULL;
}
// if required set gamma conversion
if (png_get_gAMA(png_ptr, info_ptr, &dGamma))
png_set_gamma(png_ptr, (double) 2.2, dGamma);
// after the transformations have been registered update info_ptr data
png_read_update_info(png_ptr, info_ptr);
// get again width, height and the new bit-depth and color-type
png_get_IHDR(png_ptr, info_ptr, piWidth, piHeight, &iBitDepth,
&iColorType, NULL, NULL, NULL);
// row_bytes is the width x number of channels
ulRowBytes = png_get_rowbytes(png_ptr, info_ptr);
ulChannels = png_get_channels(png_ptr, info_ptr);
*piChannels = ulChannels;
// now we can allocate memory to store the image
if (pbImageData)
{
free (pbImageData);
pbImageData = NULL;
}
if ((pbImageData = (png_byte *) malloc(ulRowBytes * (*piHeight)
* sizeof(png_byte))) == NULL)
{
png_error(png_ptr, "Visual PNG: out of memory");
}
*ppbImageData = pbImageData;
// and allocate memory for an array of row-pointers
if ((ppbRowPointers = (png_bytepp) malloc((*piHeight)
* sizeof(png_bytep))) == NULL)
{
png_error(png_ptr, "Visual PNG: out of memory");
}
// set the individual row-pointers to point at the correct offsets
for (i = 0; i < (*piHeight); i++)
ppbRowPointers[i] = pbImageData + i * ulRowBytes;
// now we can go ahead and just read the whole image
png_read_image(png_ptr, ppbRowPointers);
// read the additional chunks in the PNG file (not really needed)
png_read_end(png_ptr, NULL);
// and we're done
free (ppbRowPointers);
ppbRowPointers = NULL;
// yepp, done
}
Catch (msg)
{
png_destroy_read_struct(&png_ptr, &info_ptr, NULL);
*ppbImageData = pbImageData = NULL;
if(ppbRowPointers)
free (ppbRowPointers);
fclose(pfFile);
return FALSE;
}
fclose (pfFile);
return TRUE;
}
BOOL PngSaveImage (PTSTR pstrFileName, png_byte *pDiData,
int iWidth, int iHeight, png_color bkgColor)
{
const int ciBitDepth = 8;
const int ciChannels = 3;
static FILE *pfFile;
png_uint_32 ulRowBytes;
static png_byte **ppbRowPointers = NULL;
int i;
// open the PNG output file
if (!pstrFileName)
return FALSE;
if (!(pfFile = fopen(pstrFileName, "wb")))
return FALSE;
// prepare the standard PNG structures
png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL,
(png_error_ptr)png_cexcept_error, (png_error_ptr)NULL);
if (!png_ptr)
{
fclose(pfFile);
return FALSE;
}
info_ptr = png_create_info_struct(png_ptr);
if (!info_ptr) {
fclose(pfFile);
png_destroy_write_struct(&png_ptr, (png_infopp) NULL);
return FALSE;
}
Try
{
// initialize the png structure
#ifdef PNG_STDIO_SUPPORTED
png_init_io(png_ptr, pfFile);
#else
png_set_write_fn(png_ptr, (png_voidp)pfFile, png_write_data, png_flush);
#endif
// we're going to write a very simple 3x8 bit RGB image
png_set_IHDR(png_ptr, info_ptr, iWidth, iHeight, ciBitDepth,
PNG_COLOR_TYPE_RGB, PNG_INTERLACE_NONE, PNG_COMPRESSION_TYPE_BASE,
PNG_FILTER_TYPE_BASE);
// write the file header information
png_write_info(png_ptr, info_ptr);
// swap the BGR pixels in the DiData structure to RGB
png_set_bgr(png_ptr);
// row_bytes is the width x number of channels
ulRowBytes = iWidth * ciChannels;
// we can allocate memory for an array of row-pointers
if ((ppbRowPointers = (png_bytepp) malloc(iHeight * sizeof(png_bytep))) == NULL)
Throw "Visualpng: Out of memory";
// set the individual row-pointers to point at the correct offsets
for (i = 0; i < iHeight; i++)
ppbRowPointers[i] = pDiData + i * (((ulRowBytes + 3) >> 2) << 2);
// write out the entire image data in one call
png_write_image (png_ptr, ppbRowPointers);
// write the additional chunks to the PNG file (not really needed)
png_write_end(png_ptr, info_ptr);
// and we're done
free (ppbRowPointers);
ppbRowPointers = NULL;
// clean up after the write, and free any memory allocated
png_destroy_write_struct(&png_ptr, (png_infopp) NULL);
// yepp, done
}
Catch (msg)
{
png_destroy_write_struct(&png_ptr, (png_infopp) NULL);
if(ppbRowPointers)
free (ppbRowPointers);
fclose(pfFile);
return FALSE;
}
fclose (pfFile);
return TRUE;
}
#ifndef PNG_STDIO_SUPPORTED
static void
png_read_data(png_structp png_ptr, png_bytep data, png_size_t length)
{
png_size_t check;
/* fread() returns 0 on error, so it is OK to store this in a png_size_t
* instead of an int, which is what fread() actually returns.
*/
check = (png_size_t)fread(data, (png_size_t)1, length,
(FILE *)png_ptr->io_ptr);
if (check != length)
{
png_error(png_ptr, "Read Error");
}
}
static void
png_write_data(png_structp png_ptr, png_bytep data, png_size_t length)
{
png_uint_32 check;
check = fwrite(data, 1, length, (FILE *)(png_ptr->io_ptr));
if (check != length)
{
png_error(png_ptr, "Write Error");
}
}
static void
png_flush(png_structp png_ptr)
{
FILE *io_ptr;
io_ptr = (FILE *)CVT_PTR((png_ptr->io_ptr));
if (io_ptr != NULL)
fflush(io_ptr);
}
#endif
//-----------------
// end of source
//-----------------

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//------------------------------------------
// PNGFILE.H -- Header File for pngfile.c
//------------------------------------------
// Copyright 2000, Willem van Schaik.
// This code is released under the libpng license.
// For conditions of distribution and use, see the disclaimer
// and license in png.h
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <windows.h>
void PngFileInitialize (HWND hwnd) ;
BOOL PngFileOpenDlg (HWND hwnd, PTSTR pstrFileName, PTSTR pstrTitleName) ;
BOOL PngFileSaveDlg (HWND hwnd, PTSTR pstrFileName, PTSTR pstrTitleName) ;
BOOL PngLoadImage (PTSTR pstrFileName, png_byte **ppbImageData,
int *piWidth, int *piHeight, int *piChannels, png_color *pBkgColor);
BOOL PngSaveImage (PTSTR pstrFileName, png_byte *pDiData,
int iWidth, int iHeight, png_color BkgColor);
#ifndef PNG_STDIO_SUPPORTED
static void png_read_data(png_structp png_ptr, png_bytep data, png_size_t length);
static void png_write_data(png_structp png_ptr, png_bytep data, png_size_t length);
static void png_flush(png_structp png_ptr);
#endif

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Microsoft Developer Studio Build File, Format Version 6.00 for VisualPng
------------------------------------------------------------------------
Copyright 2000, Willem van Schaik.
This code is released under the libpng license.
For conditions of distribution and use, see the disclaimer
and license in png.h
As a PNG .dll demo VisualPng is finished. More features would only hinder
the program's objective. However, further extensions (like support for other
graphics formats) are in development. To get these, or for pre-compiled
binaries, go to "http://www.schaik.com/png/visualpng.html".
------------------------------------------------------------------------
Assumes that
libpng DLLs and LIBs are in ..\..\projects\msvc\win32\libpng
zlib DLLs and LIBs are in ..\..\projects\msvc\win32\zlib
libpng header files are in ..\..\..\libpng
zlib header files are in ..\..\..\zlib
the pngsuite images are in ..\pngsuite
To build:
1) On the main menu Select "Build|Set Active configuration".
Choose the configuration that corresponds to the library you want to test.
This library must have been built using the libpng MS project located in
the "..\..\mscv" subdirectory.
2) Select "Build|Clean"
3) Select "Build|Rebuild All"
4) After compiling and linking VisualPng will be started to view an image
from the PngSuite directory. Press Ctrl-N (and Ctrl-V) for other images.
To install:
When distributing VisualPng (or a further development) the following options
are available:
1) Build the program with the configuration "Win32 LIB" and you only need to
include the executable from the ./lib directory in your distribution.
2) Build the program with the configuration "Win32 DLL" and you need to put
in your distribution the executable from the ./dll directory and the dll's
libpng1.dll, zlib.dll and msvcrt.dll. These need to be in the user's PATH.
Willem van Schaik
Calgary, June 6th 2000
P.S. VisualPng was written based on preliminary work of:
- Simon-Pierre Cadieux
- Glenn Randers-Pehrson
- Greg Roelofs

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//------------------------------------
// VisualPng.C -- Shows a PNG image
//------------------------------------
// Copyright 2000, Willem van Schaik.
// This code is released under the libpng license.
// For conditions of distribution and use, see the disclaimer
// and license in png.h
// switches
// defines
#define PROGNAME "VisualPng"
#define LONGNAME "Win32 Viewer for PNG-files"
#define VERSION "1.0 of 2000 June 07"
// constants
#define MARGIN 8
// standard includes
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <windows.h>
// application includes
#include "png.h"
#include "pngfile.h"
#include "resource.h"
// macros
// function prototypes
LRESULT CALLBACK WndProc (HWND, UINT, WPARAM, LPARAM);
BOOL CALLBACK AboutDlgProc (HWND, UINT, WPARAM, LPARAM) ;
BOOL CenterAbout (HWND hwndChild, HWND hwndParent);
BOOL BuildPngList (PTSTR pstrPathName, TCHAR **ppFileList, int *pFileCount,
int *pFileIndex);
BOOL SearchPngList (TCHAR *pFileList, int FileCount, int *pFileIndex,
PTSTR pstrPrevName, PTSTR pstrNextName);
BOOL LoadImageFile(HWND hwnd, PTSTR pstrPathName,
png_byte **ppbImage, int *pxImgSize, int *pyImgSize, int *piChannels,
png_color *pBkgColor);
BOOL DisplayImage (HWND hwnd, BYTE **ppDib,
BYTE **ppDiData, int cxWinSize, int cyWinSize,
BYTE *pbImage, int cxImgSize, int cyImgSize, int cImgChannels,
BOOL bStretched);
BOOL InitBitmap (
BYTE *pDiData, int cxWinSize, int cyWinSize);
BOOL FillBitmap (
BYTE *pDiData, int cxWinSize, int cyWinSize,
BYTE *pbImage, int cxImgSize, int cyImgSize, int cImgChannels,
BOOL bStretched);
// a few global variables
static char *szProgName = PROGNAME;
static char *szAppName = LONGNAME;
static char *szIconName = PROGNAME;
static char szCmdFileName [MAX_PATH];
// MAIN routine
int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance,
PSTR szCmdLine, int iCmdShow)
{
HACCEL hAccel;
HWND hwnd;
MSG msg;
WNDCLASS wndclass;
int ixBorders, iyBorders;
wndclass.style = CS_HREDRAW | CS_VREDRAW;
wndclass.lpfnWndProc = WndProc;
wndclass.cbClsExtra = 0;
wndclass.cbWndExtra = 0;
wndclass.hInstance = hInstance;
wndclass.hIcon = LoadIcon (hInstance, szIconName) ;
wndclass.hCursor = LoadCursor (NULL, IDC_ARROW);
wndclass.hbrBackground = NULL; // (HBRUSH) GetStockObject (GRAY_BRUSH);
wndclass.lpszMenuName = szProgName;
wndclass.lpszClassName = szProgName;
if (!RegisterClass (&wndclass))
{
MessageBox (NULL, TEXT ("Error: this program requires Windows NT!"),
szProgName, MB_ICONERROR);
return 0;
}
// if filename given on commandline, store it
if ((szCmdLine != NULL) && (*szCmdLine != '\0'))
if (szCmdLine[0] == '"')
strncpy (szCmdFileName, szCmdLine + 1, strlen(szCmdLine) - 2);
else
strcpy (szCmdFileName, szCmdLine);
else
strcpy (szCmdFileName, "");
// calculate size of window-borders
ixBorders = 2 * (GetSystemMetrics (SM_CXBORDER) +
GetSystemMetrics (SM_CXDLGFRAME));
iyBorders = 2 * (GetSystemMetrics (SM_CYBORDER) +
GetSystemMetrics (SM_CYDLGFRAME)) +
GetSystemMetrics (SM_CYCAPTION) +
GetSystemMetrics (SM_CYMENUSIZE) +
1; /* WvS: don't ask me why? */
hwnd = CreateWindow (szProgName, szAppName,
WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT, CW_USEDEFAULT,
512 + 2 * MARGIN + ixBorders, 384 + 2 * MARGIN + iyBorders,
// CW_USEDEFAULT, CW_USEDEFAULT,
NULL, NULL, hInstance, NULL);
ShowWindow (hwnd, iCmdShow);
UpdateWindow (hwnd);
hAccel = LoadAccelerators (hInstance, szProgName);
while (GetMessage (&msg, NULL, 0, 0))
{
if (!TranslateAccelerator (hwnd, hAccel, &msg))
{
TranslateMessage (&msg);
DispatchMessage (&msg);
}
}
return msg.wParam;
}
LRESULT CALLBACK WndProc (HWND hwnd, UINT message, WPARAM wParam,
LPARAM lParam)
{
static HINSTANCE hInstance ;
static HDC hdc;
static PAINTSTRUCT ps;
static HMENU hMenu;
static BITMAPFILEHEADER *pbmfh;
static BITMAPINFOHEADER *pbmih;
static BYTE *pbImage;
static int cxWinSize, cyWinSize;
static int cxImgSize, cyImgSize;
static int cImgChannels;
static png_color bkgColor = {127, 127, 127};
static BOOL bStretched = TRUE;
static BYTE *pDib = NULL;
static BYTE *pDiData = NULL;
static TCHAR szImgPathName [MAX_PATH];
static TCHAR szTitleName [MAX_PATH];
static TCHAR *pPngFileList = NULL;
static int iPngFileCount;
static int iPngFileIndex;
BOOL bOk;
switch (message)
{
case WM_CREATE:
hInstance = ((LPCREATESTRUCT) lParam)->hInstance ;
PngFileInitialize (hwnd);
strcpy (szImgPathName, "");
// in case we process file given on command-line
if (szCmdFileName[0] != '\0')
{
strcpy (szImgPathName, szCmdFileName);
// read the other png-files in the directory for later
// next/previous commands
BuildPngList (szImgPathName, &pPngFileList, &iPngFileCount,
&iPngFileIndex);
// load the image from file
if (!LoadImageFile (hwnd, szImgPathName,
&pbImage, &cxImgSize, &cyImgSize, &cImgChannels, &bkgColor))
return 0;
// invalidate the client area for later update
InvalidateRect (hwnd, NULL, TRUE);
// display the PNG into the DIBitmap
DisplayImage (hwnd, &pDib, &pDiData, cxWinSize, cyWinSize,
pbImage, cxImgSize, cyImgSize, cImgChannels, bStretched);
}
return 0;
case WM_SIZE:
cxWinSize = LOWORD (lParam);
cyWinSize = HIWORD (lParam);
// invalidate the client area for later update
InvalidateRect (hwnd, NULL, TRUE);
// display the PNG into the DIBitmap
DisplayImage (hwnd, &pDib, &pDiData, cxWinSize, cyWinSize,
pbImage, cxImgSize, cyImgSize, cImgChannels, bStretched);
return 0;
case WM_INITMENUPOPUP:
hMenu = GetMenu (hwnd);
if (pbImage)
EnableMenuItem (hMenu, IDM_FILE_SAVE, MF_ENABLED);
else
EnableMenuItem (hMenu, IDM_FILE_SAVE, MF_GRAYED);
return 0;
case WM_COMMAND:
hMenu = GetMenu (hwnd);
switch (LOWORD (wParam))
{
case IDM_FILE_OPEN:
// show the File Open dialog box
if (!PngFileOpenDlg (hwnd, szImgPathName, szTitleName))
return 0;
// read the other png-files in the directory for later
// next/previous commands
BuildPngList (szImgPathName, &pPngFileList, &iPngFileCount,
&iPngFileIndex);
// load the image from file
if (!LoadImageFile (hwnd, szImgPathName,
&pbImage, &cxImgSize, &cyImgSize, &cImgChannels, &bkgColor))
return 0;
// invalidate the client area for later update
InvalidateRect (hwnd, NULL, TRUE);
// display the PNG into the DIBitmap
DisplayImage (hwnd, &pDib, &pDiData, cxWinSize, cyWinSize,
pbImage, cxImgSize, cyImgSize, cImgChannels, bStretched);
return 0;
case IDM_FILE_SAVE:
// show the File Save dialog box
if (!PngFileSaveDlg (hwnd, szImgPathName, szTitleName))
return 0;
// save the PNG to a disk file
SetCursor (LoadCursor (NULL, IDC_WAIT));
ShowCursor (TRUE);
bOk = PngSaveImage (szImgPathName, pDiData, cxWinSize, cyWinSize,
bkgColor);
ShowCursor (FALSE);
SetCursor (LoadCursor (NULL, IDC_ARROW));
if (!bOk)
MessageBox (hwnd, TEXT ("Error in saving the PNG image"),
szProgName, MB_ICONEXCLAMATION | MB_OK);
return 0;
case IDM_FILE_NEXT:
// read next entry in the directory
if (SearchPngList (pPngFileList, iPngFileCount, &iPngFileIndex,
NULL, szImgPathName))
{
if (strcmp (szImgPathName, "") == 0)
return 0;
// load the image from file
if (!LoadImageFile (hwnd, szImgPathName, &pbImage,
&cxImgSize, &cyImgSize, &cImgChannels, &bkgColor))
return 0;
// invalidate the client area for later update
InvalidateRect (hwnd, NULL, TRUE);
// display the PNG into the DIBitmap
DisplayImage (hwnd, &pDib, &pDiData, cxWinSize, cyWinSize,
pbImage, cxImgSize, cyImgSize, cImgChannels, bStretched);
}
return 0;
case IDM_FILE_PREVIOUS:
// read previous entry in the directory
if (SearchPngList (pPngFileList, iPngFileCount, &iPngFileIndex,
szImgPathName, NULL))
{
if (strcmp (szImgPathName, "") == 0)
return 0;
// load the image from file
if (!LoadImageFile (hwnd, szImgPathName, &pbImage, &cxImgSize,
&cyImgSize, &cImgChannels, &bkgColor))
return 0;
// invalidate the client area for later update
InvalidateRect (hwnd, NULL, TRUE);
// display the PNG into the DIBitmap
DisplayImage (hwnd, &pDib, &pDiData, cxWinSize, cyWinSize,
pbImage, cxImgSize, cyImgSize, cImgChannels, bStretched);
}
return 0;
case IDM_FILE_EXIT:
// more cleanup needed...
// free image buffer
if (pDib != NULL)
{
free (pDib);
pDib = NULL;
}
// free file-list
if (pPngFileList != NULL)
{
free (pPngFileList);
pPngFileList = NULL;
}
// let's go ...
exit (0);
return 0;
case IDM_OPTIONS_STRETCH:
bStretched = !bStretched;
if (bStretched)
CheckMenuItem (hMenu, IDM_OPTIONS_STRETCH, MF_CHECKED);
else
CheckMenuItem (hMenu, IDM_OPTIONS_STRETCH, MF_UNCHECKED);
// invalidate the client area for later update
InvalidateRect (hwnd, NULL, TRUE);
// display the PNG into the DIBitmap
DisplayImage (hwnd, &pDib, &pDiData, cxWinSize, cyWinSize,
pbImage, cxImgSize, cyImgSize, cImgChannels, bStretched);
return 0;
case IDM_HELP_ABOUT:
DialogBox (hInstance, TEXT ("AboutBox"), hwnd, AboutDlgProc) ;
return 0;
} // end switch
break;
case WM_PAINT:
hdc = BeginPaint (hwnd, &ps);
if (pDib)
SetDIBitsToDevice (hdc, 0, 0, cxWinSize, cyWinSize, 0, 0,
0, cyWinSize, pDiData, (BITMAPINFO *) pDib, DIB_RGB_COLORS);
EndPaint (hwnd, &ps);
return 0;
case WM_DESTROY:
if (pbmfh)
{
free (pbmfh);
pbmfh = NULL;
}
PostQuitMessage (0);
return 0;
}
return DefWindowProc (hwnd, message, wParam, lParam);
}
BOOL CALLBACK AboutDlgProc (HWND hDlg, UINT message,
WPARAM wParam, LPARAM lParam)
{
switch (message)
{
case WM_INITDIALOG :
ShowWindow (hDlg, SW_HIDE);
CenterAbout (hDlg, GetWindow (hDlg, GW_OWNER));
ShowWindow (hDlg, SW_SHOW);
return TRUE ;
case WM_COMMAND :
switch (LOWORD (wParam))
{
case IDOK :
case IDCANCEL :
EndDialog (hDlg, 0) ;
return TRUE ;
}
break ;
}
return FALSE ;
}
//---------------
// CenterAbout
//---------------
BOOL CenterAbout (HWND hwndChild, HWND hwndParent)
{
RECT rChild, rParent, rWorkArea;
int wChild, hChild, wParent, hParent;
int xNew, yNew;
BOOL bResult;
// Get the Height and Width of the child window
GetWindowRect (hwndChild, &rChild);
wChild = rChild.right - rChild.left;
hChild = rChild.bottom - rChild.top;
// Get the Height and Width of the parent window
GetWindowRect (hwndParent, &rParent);
wParent = rParent.right - rParent.left;
hParent = rParent.bottom - rParent.top;
// Get the limits of the 'workarea'
bResult = SystemParametersInfo(
SPI_GETWORKAREA, // system parameter to query or set
sizeof(RECT),
&rWorkArea,
0);
if (!bResult) {
rWorkArea.left = rWorkArea.top = 0;
rWorkArea.right = GetSystemMetrics(SM_CXSCREEN);
rWorkArea.bottom = GetSystemMetrics(SM_CYSCREEN);
}
// Calculate new X position, then adjust for workarea
xNew = rParent.left + ((wParent - wChild) /2);
if (xNew < rWorkArea.left) {
xNew = rWorkArea.left;
} else if ((xNew+wChild) > rWorkArea.right) {
xNew = rWorkArea.right - wChild;
}
// Calculate new Y position, then adjust for workarea
yNew = rParent.top + ((hParent - hChild) /2);
if (yNew < rWorkArea.top) {
yNew = rWorkArea.top;
} else if ((yNew+hChild) > rWorkArea.bottom) {
yNew = rWorkArea.bottom - hChild;
}
// Set it, and return
return SetWindowPos (hwndChild, NULL, xNew, yNew, 0, 0, SWP_NOSIZE |
SWP_NOZORDER);
}
//----------------
// BuildPngList
//----------------
BOOL BuildPngList (PTSTR pstrPathName, TCHAR **ppFileList, int *pFileCount,
int *pFileIndex)
{
static TCHAR szImgPathName [MAX_PATH];
static TCHAR szImgFileName [MAX_PATH];
static TCHAR szImgFindName [MAX_PATH];
WIN32_FIND_DATA finddata;
HANDLE hFind;
static TCHAR szTmp [MAX_PATH];
BOOL bOk;
int i, ii;
int j, jj;
// free previous file-list
if (*ppFileList != NULL)
{
free (*ppFileList);
*ppFileList = NULL;
}
// extract foldername, filename and search-name
strcpy (szImgPathName, pstrPathName);
strcpy (szImgFileName, strrchr (pstrPathName, '\\') + 1);
strcpy (szImgFindName, szImgPathName);
*(strrchr (szImgFindName, '\\') + 1) = '\0';
strcat (szImgFindName, "*.png");
// first cycle: count number of files in directory for memory allocation
*pFileCount = 0;
hFind = FindFirstFile(szImgFindName, &finddata);
bOk = (hFind != (HANDLE) -1);
while (bOk)
{
*pFileCount += 1;
bOk = FindNextFile(hFind, &finddata);
}
FindClose(hFind);
// allocation memory for file-list
*ppFileList = (TCHAR *) malloc (*pFileCount * MAX_PATH);
// second cycle: read directory and store filenames in file-list
hFind = FindFirstFile(szImgFindName, &finddata);
bOk = (hFind != (HANDLE) -1);
i = 0;
ii = 0;
while (bOk)
{
strcpy (*ppFileList + ii, szImgPathName);
strcpy (strrchr(*ppFileList + ii, '\\') + 1, finddata.cFileName);
if (strcmp(pstrPathName, *ppFileList + ii) == 0)
*pFileIndex = i;
ii += MAX_PATH;
i++;
bOk = FindNextFile(hFind, &finddata);
}
FindClose(hFind);
// finally we must sort the file-list
for (i = 0; i < *pFileCount - 1; i++)
{
ii = i * MAX_PATH;
for (j = i+1; j < *pFileCount; j++)
{
jj = j * MAX_PATH;
if (strcmp (*ppFileList + ii, *ppFileList + jj) > 0)
{
strcpy (szTmp, *ppFileList + jj);
strcpy (*ppFileList + jj, *ppFileList + ii);
strcpy (*ppFileList + ii, szTmp);
// check if this was the current image that we moved
if (*pFileIndex == i)
*pFileIndex = j;
else
if (*pFileIndex == j)
*pFileIndex = i;
}
}
}
return TRUE;
}
//----------------
// SearchPngList
//----------------
BOOL SearchPngList (
TCHAR *pFileList, int FileCount, int *pFileIndex,
PTSTR pstrPrevName, PTSTR pstrNextName)
{
if (FileCount > 0)
{
// get previous entry
if (pstrPrevName != NULL)
{
if (*pFileIndex > 0)
*pFileIndex -= 1;
else
*pFileIndex = FileCount - 1;
strcpy (pstrPrevName, pFileList + (*pFileIndex * MAX_PATH));
}
// get next entry
if (pstrNextName != NULL)
{
if (*pFileIndex < FileCount - 1)
*pFileIndex += 1;
else
*pFileIndex = 0;
strcpy (pstrNextName, pFileList + (*pFileIndex * MAX_PATH));
}
return TRUE;
}
else
{
return FALSE;
}
}
//-----------------
// LoadImageFile
//-----------------
BOOL LoadImageFile (HWND hwnd, PTSTR pstrPathName,
png_byte **ppbImage, int *pxImgSize, int *pyImgSize,
int *piChannels, png_color *pBkgColor)
{
static TCHAR szTmp [MAX_PATH];
// if there's an existing PNG, free the memory
if (*ppbImage)
{
free (*ppbImage);
*ppbImage = NULL;
}
// Load the entire PNG into memory
SetCursor (LoadCursor (NULL, IDC_WAIT));
ShowCursor (TRUE);
PngLoadImage (pstrPathName, ppbImage, pxImgSize, pyImgSize, piChannels,
pBkgColor);
ShowCursor (FALSE);
SetCursor (LoadCursor (NULL, IDC_ARROW));
if (*ppbImage != NULL)
{
sprintf (szTmp, "VisualPng - %s", strrchr(pstrPathName, '\\') + 1);
SetWindowText (hwnd, szTmp);
}
else
{
MessageBox (hwnd, TEXT ("Error in loading the PNG image"),
szProgName, MB_ICONEXCLAMATION | MB_OK);
return FALSE;
}
return TRUE;
}
//----------------
// DisplayImage
//----------------
BOOL DisplayImage (HWND hwnd, BYTE **ppDib,
BYTE **ppDiData, int cxWinSize, int cyWinSize,
BYTE *pbImage, int cxImgSize, int cyImgSize, int cImgChannels,
BOOL bStretched)
{
BYTE *pDib = *ppDib;
BYTE *pDiData = *ppDiData;
// BITMAPFILEHEADER *pbmfh;
BITMAPINFOHEADER *pbmih;
WORD wDIRowBytes;
png_color bkgBlack = {0, 0, 0};
png_color bkgGray = {127, 127, 127};
png_color bkgWhite = {255, 255, 255};
// allocate memory for the Device Independant bitmap
wDIRowBytes = (WORD) ((3 * cxWinSize + 3L) >> 2) << 2;
if (pDib)
{
free (pDib);
pDib = NULL;
}
if (!(pDib = (BYTE *) malloc (sizeof(BITMAPINFOHEADER) +
wDIRowBytes * cyWinSize)))
{
MessageBox (hwnd, TEXT ("Error in displaying the PNG image"),
szProgName, MB_ICONEXCLAMATION | MB_OK);
*ppDib = pDib = NULL;
return FALSE;
}
*ppDib = pDib;
memset (pDib, 0, sizeof(BITMAPINFOHEADER));
// initialize the dib-structure
pbmih = (BITMAPINFOHEADER *) pDib;
pbmih->biSize = sizeof(BITMAPINFOHEADER);
pbmih->biWidth = cxWinSize;
pbmih->biHeight = -((long) cyWinSize);
pbmih->biPlanes = 1;
pbmih->biBitCount = 24;
pbmih->biCompression = 0;
pDiData = pDib + sizeof(BITMAPINFOHEADER);
*ppDiData = pDiData;
// first fill bitmap with gray and image border
InitBitmap (pDiData, cxWinSize, cyWinSize);
// then fill bitmap with image
if (pbImage)
{
FillBitmap (
pDiData, cxWinSize, cyWinSize,
pbImage, cxImgSize, cyImgSize, cImgChannels,
bStretched);
}
return TRUE;
}
//--------------
// InitBitmap
//--------------
BOOL InitBitmap (BYTE *pDiData, int cxWinSize, int cyWinSize)
{
BYTE *dst;
int x, y, col;
// initialize the background with gray
dst = pDiData;
for (y = 0; y < cyWinSize; y++)
{
col = 0;
for (x = 0; x < cxWinSize; x++)
{
// fill with GRAY
*dst++ = 127;
*dst++ = 127;
*dst++ = 127;
col += 3;
}
// rows start on 4 byte boundaries
while ((col % 4) != 0)
{
dst++;
col++;
}
}
return TRUE;
}
//--------------
// FillBitmap
//--------------
BOOL FillBitmap (
BYTE *pDiData, int cxWinSize, int cyWinSize,
BYTE *pbImage, int cxImgSize, int cyImgSize, int cImgChannels,
BOOL bStretched)
{
BYTE *pStretchedImage;
BYTE *pImg;
BYTE *src, *dst;
BYTE r, g, b, a;
const int cDIChannels = 3;
WORD wImgRowBytes;
WORD wDIRowBytes;
int cxNewSize, cyNewSize;
int cxImgPos, cyImgPos;
int xImg, yImg;
int xWin, yWin;
int xOld, yOld;
int xNew, yNew;
if (bStretched)
{
cxNewSize = cxWinSize - 2 * MARGIN;
cyNewSize = cyWinSize - 2 * MARGIN;
// stretch the image to it's window determined size
// the following two are the same, but the first has side-effects
// because of rounding
// if ((cyNewSize / cxNewSize) > (cyImgSize / cxImgSize))
if ((cyNewSize * cxImgSize) > (cyImgSize * cxNewSize))
{
cyNewSize = cxNewSize * cyImgSize / cxImgSize;
cxImgPos = MARGIN;
cyImgPos = (cyWinSize - cyNewSize) / 2;
}
else
{
cxNewSize = cyNewSize * cxImgSize / cyImgSize;
cyImgPos = MARGIN;
cxImgPos = (cxWinSize - cxNewSize) / 2;
}
pStretchedImage = malloc (cImgChannels * cxNewSize * cyNewSize);
pImg = pStretchedImage;
for (yNew = 0; yNew < cyNewSize; yNew++)
{
yOld = yNew * cyImgSize / cyNewSize;
for (xNew = 0; xNew < cxNewSize; xNew++)
{
xOld = xNew * cxImgSize / cxNewSize;
r = *(pbImage + cImgChannels * ((yOld * cxImgSize) + xOld) + 0);
g = *(pbImage + cImgChannels * ((yOld * cxImgSize) + xOld) + 1);
b = *(pbImage + cImgChannels * ((yOld * cxImgSize) + xOld) + 2);
*pImg++ = r;
*pImg++ = g;
*pImg++ = b;
if (cImgChannels == 4)
{
a = *(pbImage + cImgChannels * ((yOld * cxImgSize) + xOld)
+ 3);
*pImg++ = a;
}
}
}
// calculate row-bytes
wImgRowBytes = cImgChannels * cxNewSize;
wDIRowBytes = (WORD) ((cDIChannels * cxWinSize + 3L) >> 2) << 2;
// copy image to screen
for (yImg = 0, yWin = cyImgPos; yImg < cyNewSize; yImg++, yWin++)
{
if (yWin >= cyWinSize - cyImgPos)
break;
src = pStretchedImage + yImg * wImgRowBytes;
dst = pDiData + yWin * wDIRowBytes + cxImgPos * cDIChannels;
for (xImg = 0, xWin = cxImgPos; xImg < cxNewSize; xImg++, xWin++)
{
if (xWin >= cxWinSize - cxImgPos)
break;
r = *src++;
g = *src++;
b = *src++;
*dst++ = b; /* note the reverse order */
*dst++ = g;
*dst++ = r;
if (cImgChannels == 4)
{
a = *src++;
}
}
}
// free memory
if (pStretchedImage != NULL)
{
free (pStretchedImage);
pStretchedImage = NULL;
}
}
// process the image not-stretched
else
{
// calculate the central position
cxImgPos = (cxWinSize - cxImgSize) / 2;
cyImgPos = (cyWinSize - cyImgSize) / 2;
// check for image larger than window
if (cxImgPos < MARGIN)
cxImgPos = MARGIN;
if (cyImgPos < MARGIN)
cyImgPos = MARGIN;
// calculate both row-bytes
wImgRowBytes = cImgChannels * cxImgSize;
wDIRowBytes = (WORD) ((cDIChannels * cxWinSize + 3L) >> 2) << 2;
// copy image to screen
for (yImg = 0, yWin = cyImgPos; yImg < cyImgSize; yImg++, yWin++)
{
if (yWin >= cyWinSize - MARGIN)
break;
src = pbImage + yImg * wImgRowBytes;
dst = pDiData + yWin * wDIRowBytes + cxImgPos * cDIChannels;
for (xImg = 0, xWin = cxImgPos; xImg < cxImgSize; xImg++, xWin++)
{
if (xWin >= cxWinSize - MARGIN)
break;
r = *src++;
g = *src++;
b = *src++;
*dst++ = b; /* note the reverse order */
*dst++ = g;
*dst++ = r;
if (cImgChannels == 4)
{
a = *src++;
}
}
}
}
return TRUE;
}
//-----------------
// end of source
//-----------------

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