mirror of https://github.com/stella-emu/stella.git
Updated PNG lib to latest version.
This commit is contained in:
Stephen Anthony
parent
e33542da57
commit
26cca6ad1a
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@ -1,7 +1,7 @@
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/* png.c - location for general purpose libpng functions
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*
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* Copyright (c) 2018-2019 Cosmin Truta
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* Copyright (c) 2018-2022 Cosmin Truta
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* Copyright (c) 1998-2002,2004,2006-2018 Glenn Randers-Pehrson
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* Copyright (c) 1996-1997 Andreas Dilger
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* Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.
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@ -14,7 +14,7 @@
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#include "pngpriv.h"
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/* Generate a compiler error if there is an old png.h in the search path. */
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typedef png_libpng_version_1_6_37 Your_png_h_is_not_version_1_6_37;
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typedef png_libpng_version_1_6_38 Your_png_h_is_not_version_1_6_38;
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#ifdef __GNUC__
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/* The version tests may need to be added to, but the problem warning has
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@ -720,7 +720,7 @@ png_init_io(png_structrp png_ptr, png_FILE_p fp)
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*
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* Where UNSIGNED_MAX is the appropriate maximum unsigned value, so when the
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* negative integral value is added the result will be an unsigned value
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* correspnding to the 2's complement representation.
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* corresponding to the 2's complement representation.
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*/
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void PNGAPI
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png_save_int_32(png_bytep buf, png_int_32 i)
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@ -815,8 +815,8 @@ png_get_copyright(png_const_structrp png_ptr)
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return PNG_STRING_COPYRIGHT
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#else
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return PNG_STRING_NEWLINE \
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"libpng version 1.6.37" PNG_STRING_NEWLINE \
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"Copyright (c) 2018-2019 Cosmin Truta" PNG_STRING_NEWLINE \
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"libpng version 1.6.38" PNG_STRING_NEWLINE \
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"Copyright (c) 2018-2022 Cosmin Truta" PNG_STRING_NEWLINE \
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"Copyright (c) 1998-2002,2004,2006-2018 Glenn Randers-Pehrson" \
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PNG_STRING_NEWLINE \
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"Copyright (c) 1996-1997 Andreas Dilger" PNG_STRING_NEWLINE \
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@ -1843,12 +1843,12 @@ png_icc_profile_error(png_const_structrp png_ptr, png_colorspacerp colorspace,
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# ifdef PNG_WARNINGS_SUPPORTED
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else
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{
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char number[PNG_NUMBER_BUFFER_SIZE]; /* +24 = 114*/
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char number[PNG_NUMBER_BUFFER_SIZE]; /* +24 = 114 */
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pos = png_safecat(message, (sizeof message), pos,
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png_format_number(number, number+(sizeof number),
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PNG_NUMBER_FORMAT_x, value));
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pos = png_safecat(message, (sizeof message), pos, "h: "); /*+2 = 116*/
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pos = png_safecat(message, (sizeof message), pos, "h: "); /* +2 = 116 */
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}
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# endif
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/* The 'reason' is an arbitrary message, allow +79 maximum 195 */
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@ -1,9 +1,9 @@
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/* png.h - header file for PNG reference library
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*
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* libpng version 1.6.37 - April 14, 2019
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* libpng version 1.6.38 - September 14, 2022
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*
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* Copyright (c) 2018-2019 Cosmin Truta
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* Copyright (c) 2018-2022 Cosmin Truta
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* Copyright (c) 1998-2002,2004,2006-2018 Glenn Randers-Pehrson
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* Copyright (c) 1996-1997 Andreas Dilger
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* Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.
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@ -15,7 +15,7 @@
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* libpng versions 0.89, June 1996, through 0.96, May 1997: Andreas Dilger
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* libpng versions 0.97, January 1998, through 1.6.35, July 2018:
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* Glenn Randers-Pehrson
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* libpng versions 1.6.36, December 2018, through 1.6.37, April 2019:
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* libpng versions 1.6.36, December 2018, through 1.6.38, September 2022:
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* Cosmin Truta
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* See also "Contributing Authors", below.
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*/
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@ -27,8 +27,8 @@
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* PNG Reference Library License version 2
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* ---------------------------------------
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*
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* * Copyright (c) 1995-2020 The PNG Reference Library Authors.
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* * Copyright (c) 2018-2019 Cosmin Truta.
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* * Copyright (c) 1995-2022 The PNG Reference Library Authors.
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* * Copyright (c) 2018-2022 Cosmin Truta.
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* * Copyright (c) 2000-2002, 2004, 2006-2018 Glenn Randers-Pehrson.
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* * Copyright (c) 1996-1997 Andreas Dilger.
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* * Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.
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@ -239,7 +239,7 @@
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* ...
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* 1.5.30 15 10530 15.so.15.30[.0]
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* ...
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* 1.6.37 16 10637 16.so.16.37[.0]
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* 1.6.38 16 10638 16.so.16.38[.0]
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*
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* Henceforth the source version will match the shared-library major and
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* minor numbers; the shared-library major version number will be used for
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@ -278,8 +278,8 @@
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*/
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/* Version information for png.h - this should match the version in png.c */
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#define PNG_LIBPNG_VER_STRING "1.6.37"
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#define PNG_HEADER_VERSION_STRING " libpng version 1.6.37 - April 14, 2019\n"
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#define PNG_LIBPNG_VER_STRING "1.6.38"
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#define PNG_HEADER_VERSION_STRING " libpng version 1.6.38 - September 14, 2022\n"
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#define PNG_LIBPNG_VER_SONUM 16
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#define PNG_LIBPNG_VER_DLLNUM 16
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@ -287,7 +287,7 @@
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/* These should match the first 3 components of PNG_LIBPNG_VER_STRING: */
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#define PNG_LIBPNG_VER_MAJOR 1
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#define PNG_LIBPNG_VER_MINOR 6
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#define PNG_LIBPNG_VER_RELEASE 37
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#define PNG_LIBPNG_VER_RELEASE 38
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/* This should be zero for a public release, or non-zero for a
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* development version. [Deprecated]
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@ -318,7 +318,7 @@
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* From version 1.0.1 it is:
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* XXYYZZ, where XX=major, YY=minor, ZZ=release
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*/
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#define PNG_LIBPNG_VER 10637 /* 1.6.37 */
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#define PNG_LIBPNG_VER 10638 /* 1.6.38 */
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/* Library configuration: these options cannot be changed after
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* the library has been built.
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@ -428,7 +428,7 @@ extern "C" {
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/* This triggers a compiler error in png.c, if png.c and png.h
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* do not agree upon the version number.
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*/
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typedef char* png_libpng_version_1_6_37;
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typedef char* png_libpng_version_1_6_38;
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/* Basic control structions. Read libpng-manual.txt or libpng.3 for more info.
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*
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@ -1446,7 +1446,7 @@ PNG_EXPORT(66, void, png_set_crc_action, (png_structrp png_ptr, int crit_action,
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* mainly useful for testing, as the defaults should work with most users.
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* Those users who are tight on memory or want faster performance at the
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* expense of compression can modify them. See the compression library
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* header file (zlib.h) for an explination of the compression functions.
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* header file (zlib.h) for an explanation of the compression functions.
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*/
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/* Set the filtering method(s) used by libpng. Currently, the only valid
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@ -1501,7 +1501,7 @@ PNG_FIXED_EXPORT(209, void, png_set_filter_heuristics_fixed,
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* 0 - 9, corresponding directly to the zlib compression levels 0 - 9
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* (0 - no compression, 9 - "maximal" compression). Note that tests have
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* shown that zlib compression levels 3-6 usually perform as well as level 9
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* for PNG images, and do considerably fewer caclulations. In the future,
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* for PNG images, and do considerably fewer calculations. In the future,
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* these values may not correspond directly to the zlib compression levels.
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*/
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#ifdef PNG_WRITE_CUSTOMIZE_COMPRESSION_SUPPORTED
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@ -1,9 +1,9 @@
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/* pngconf.h - machine-configurable file for libpng
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*
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* libpng version 1.6.37
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* libpng version 1.6.38
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*
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* Copyright (c) 2018-2019 Cosmin Truta
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* Copyright (c) 2018-2022 Cosmin Truta
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* Copyright (c) 1998-2002,2004,2006-2016,2018 Glenn Randers-Pehrson
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* Copyright (c) 1996-1997 Andreas Dilger
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* Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.
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@ -180,8 +180,8 @@
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* compiler-specific macros to the values required to change the calling
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* conventions of the various functions.
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*/
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#if defined(_Windows) || defined(_WINDOWS) || defined(WIN32) ||\
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defined(_WIN32) || defined(__WIN32__) || defined(__CYGWIN__)
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#if defined(_WIN32) || defined(__WIN32__) || defined(__NT__) || \
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defined(__CYGWIN__)
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/* Windows system (DOS doesn't support DLLs). Includes builds under Cygwin or
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* MinGW on any architecture currently supported by Windows. Also includes
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* Watcom builds but these need special treatment because they are not
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* the type.
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*/
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# ifndef PNG_EXPORT_TYPE
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# define PNG_EXPORT_TYPE(name) name PNG_IMPEXP
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# define PNG_EXPORT_TYPE(type) type PNG_IMPEXP
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# endif
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# define PNG_DLL_EXPORT __export
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# else /* newer compiler */
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@ -450,7 +450,7 @@
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# define PNG_FP_EXPORT(ordinal, type, name, args)\
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PNG_EXPORT(ordinal, type, name, args);
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# else /* No floating point APIs */
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# define PNG_FP_EXPORT(ordinal, name, name, args)
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# define PNG_FP_EXPORT(ordinal, type, name, args)
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# endif
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#endif
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#ifndef PNG_FIXED_EXPORT /* A fixed point API. */
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@ -458,7 +458,7 @@
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# define PNG_FIXED_EXPORT(ordinal, type, name, args)\
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PNG_EXPORT(ordinal, type, name, args);
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# else /* No fixed point APIs */
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# define PNG_FIXED_EXPORT(ordinal, name, name, args)
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# define PNG_FIXED_EXPORT(ordinal, type, name, args)
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# endif
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#endif
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@ -1151,7 +1151,7 @@ png_get_unknown_chunks(png_const_structrp png_ptr, png_inforp info_ptr,
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#ifdef PNG_READ_RGB_TO_GRAY_SUPPORTED
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png_byte PNGAPI
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png_get_rgb_to_gray_status (png_const_structrp png_ptr)
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png_get_rgb_to_gray_status(png_const_structrp png_ptr)
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{
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return (png_byte)(png_ptr ? png_ptr->rgb_to_gray_status : 0);
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}
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@ -1192,27 +1192,27 @@ png_get_compression_buffer_size(png_const_structrp png_ptr)
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/* These functions were added to libpng 1.2.6 and were enabled
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* by default in libpng-1.4.0 */
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png_uint_32 PNGAPI
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png_get_user_width_max (png_const_structrp png_ptr)
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png_get_user_width_max(png_const_structrp png_ptr)
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{
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return (png_ptr ? png_ptr->user_width_max : 0);
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}
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png_uint_32 PNGAPI
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png_get_user_height_max (png_const_structrp png_ptr)
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png_get_user_height_max(png_const_structrp png_ptr)
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{
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return (png_ptr ? png_ptr->user_height_max : 0);
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}
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/* This function was added to libpng 1.4.0 */
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png_uint_32 PNGAPI
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png_get_chunk_cache_max (png_const_structrp png_ptr)
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png_get_chunk_cache_max(png_const_structrp png_ptr)
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{
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return (png_ptr ? png_ptr->user_chunk_cache_max : 0);
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}
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/* This function was added to libpng 1.4.1 */
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png_alloc_size_t PNGAPI
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png_get_chunk_malloc_max (png_const_structrp png_ptr)
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png_get_chunk_malloc_max(png_const_structrp png_ptr)
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{
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return (png_ptr ? png_ptr->user_chunk_malloc_max : 0);
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}
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@ -1221,13 +1221,13 @@ png_get_chunk_malloc_max (png_const_structrp png_ptr)
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/* These functions were added to libpng 1.4.0 */
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#ifdef PNG_IO_STATE_SUPPORTED
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png_uint_32 PNGAPI
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png_get_io_state (png_const_structrp png_ptr)
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png_get_io_state(png_const_structrp png_ptr)
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{
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return png_ptr->io_state;
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}
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png_uint_32 PNGAPI
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png_get_io_chunk_type (png_const_structrp png_ptr)
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png_get_io_chunk_type(png_const_structrp png_ptr)
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{
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return png_ptr->chunk_name;
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}
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@ -1,7 +1,7 @@
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/* pngpriv.h - private declarations for use inside libpng
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*
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* Copyright (c) 2018-2019 Cosmin Truta
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* Copyright (c) 2018-2022 Cosmin Truta
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* Copyright (c) 1998-2002,2004,2006-2018 Glenn Randers-Pehrson
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* Copyright (c) 1996-1997 Andreas Dilger
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* Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.
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@ -174,7 +174,7 @@
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# else /* !defined __ARM_NEON__ */
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/* The 'intrinsics' code simply won't compile without this -mfpu=neon:
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*/
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# if !defined(__aarch64__)
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# if !defined(__aarch64__) && !defined(_M_ARM64)
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/* The assembler code currently does not work on ARM64 */
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# define PNG_ARM_NEON_IMPLEMENTATION 2
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# endif /* __aarch64__ */
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@ -185,6 +185,8 @@
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/* Use the intrinsics code by default. */
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# define PNG_ARM_NEON_IMPLEMENTATION 1
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# endif
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#else /* PNG_ARM_NEON_OPT == 0 */
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# define PNG_ARM_NEON_IMPLEMENTATION 0
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#endif /* PNG_ARM_NEON_OPT > 0 */
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#ifndef PNG_MIPS_MSA_OPT
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@ -263,11 +265,15 @@
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# ifndef PNG_MIPS_MSA_IMPLEMENTATION
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# define PNG_MIPS_MSA_IMPLEMENTATION 1
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# endif
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#else
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# define PNG_MIPS_MSA_IMPLEMENTATION 0
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#endif /* PNG_MIPS_MSA_OPT > 0 */
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#if PNG_POWERPC_VSX_OPT > 0
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# define PNG_FILTER_OPTIMIZATIONS png_init_filter_functions_vsx
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# define PNG_POWERPC_VSX_IMPLEMENTATION 1
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#else
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# define PNG_POWERPC_VSX_IMPLEMENTATION 0
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#endif
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@ -492,16 +498,7 @@
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static_cast<type>(static_cast<const void*>(value))
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#else
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# define png_voidcast(type, value) (value)
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# ifdef _WIN64
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# ifdef __GNUC__
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typedef unsigned long long png_ptruint;
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# else
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typedef unsigned __int64 png_ptruint;
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# endif
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# else
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typedef unsigned long png_ptruint;
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# endif
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# define png_constcast(type, value) ((type)(png_ptruint)(const void*)(value))
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# define png_constcast(type, value) ((type)(void*)(const void*)(value))
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# define png_aligncast(type, value) ((void*)(value))
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# define png_aligncastconst(type, value) ((const void*)(value))
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#endif /* __cplusplus */
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@ -543,9 +540,8 @@
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# include <alloc.h>
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#endif
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#if defined(WIN32) || defined(_Windows) || defined(_WINDOWS) || \
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defined(_WIN32) || defined(__WIN32__)
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# include <windows.h> /* defines _WINDOWS_ macro */
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#if defined(_WIN32) || defined(__WIN32__) || defined(__NT__)
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# include <windows.h>
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#endif
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#endif /* PNG_VERSION_INFO_ONLY */
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@ -554,24 +550,20 @@
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* functions that are passed far data must be model-independent.
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*/
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/* Memory model/platform independent fns */
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/* Platform-independent functions */
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#ifndef PNG_ABORT
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# ifdef _WINDOWS_
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# define PNG_ABORT() ExitProcess(0)
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# else
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# define PNG_ABORT() abort()
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# endif
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# define PNG_ABORT() abort()
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#endif
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/* These macros may need to be architecture dependent. */
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#define PNG_ALIGN_NONE 0 /* do not use data alignment */
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#define PNG_ALIGN_ALWAYS 1 /* assume unaligned accesses are OK */
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#define PNG_ALIGN_NONE 0 /* do not use data alignment */
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#define PNG_ALIGN_ALWAYS 1 /* assume unaligned accesses are OK */
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#ifdef offsetof
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# define PNG_ALIGN_OFFSET 2 /* use offsetof to determine alignment */
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# define PNG_ALIGN_OFFSET 2 /* use offsetof to determine alignment */
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#else
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# define PNG_ALIGN_OFFSET -1 /* prevent the use of this */
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#endif
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#define PNG_ALIGN_SIZE 3 /* use sizeof to determine alignment */
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#define PNG_ALIGN_SIZE 3 /* use sizeof to determine alignment */
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#ifndef PNG_ALIGN_TYPE
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/* Default to using aligned access optimizations and requiring alignment to a
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@ -585,26 +577,25 @@
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/* This is used because in some compiler implementations non-aligned
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* structure members are supported, so the offsetof approach below fails.
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* Set PNG_ALIGN_SIZE=0 for compiler combinations where unaligned access
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* is good for performance. Do not do this unless you have tested the result
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* and understand it.
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* is good for performance. Do not do this unless you have tested the
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* result and understand it.
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*/
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# define png_alignof(type) (sizeof (type))
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# define png_alignof(type) (sizeof(type))
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#else
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# if PNG_ALIGN_TYPE == PNG_ALIGN_OFFSET
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# define png_alignof(type) offsetof(struct{char c; type t;}, t)
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# define png_alignof(type) offsetof(struct{char c; type t;}, t)
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# else
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# if PNG_ALIGN_TYPE == PNG_ALIGN_ALWAYS
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# define png_alignof(type) (1)
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# endif
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/* Else leave png_alignof undefined to prevent use thereof */
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# if PNG_ALIGN_TYPE == PNG_ALIGN_ALWAYS
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# define png_alignof(type) 1
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# endif
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/* Else leave png_alignof undefined to prevent use thereof */
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# endif
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#endif
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/* This implicitly assumes alignment is always to a power of 2. */
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/* This implicitly assumes alignment is always a multiple of 2. */
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#ifdef png_alignof
|
||||
# define png_isaligned(ptr, type)\
|
||||
(((type)((const char*)ptr-(const char*)0) & \
|
||||
(type)(png_alignof(type)-1)) == 0)
|
||||
# define png_isaligned(ptr, type) \
|
||||
(((type)(size_t)((const void*)(ptr)) & (type)(png_alignof(type)-1)) == 0)
|
||||
#else
|
||||
# define png_isaligned(ptr, type) 0
|
||||
#endif
|
||||
|
|
|
|||
|
|
@ -3452,7 +3452,6 @@ png_image_read_background(png_voidp argument)
|
|||
|
||||
for (pass = 0; pass < passes; ++pass)
|
||||
{
|
||||
png_bytep row = png_voidcast(png_bytep, display->first_row);
|
||||
unsigned int startx, stepx, stepy;
|
||||
png_uint_32 y;
|
||||
|
||||
|
|
@ -3557,8 +3556,6 @@ png_image_read_background(png_voidp argument)
|
|||
|
||||
inrow += 2; /* gray and alpha channel */
|
||||
}
|
||||
|
||||
row += display->row_bytes;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -21,7 +21,7 @@
|
|||
#ifdef PNG_ARM_NEON_IMPLEMENTATION
|
||||
# if PNG_ARM_NEON_IMPLEMENTATION == 1
|
||||
# define PNG_ARM_NEON_INTRINSICS_AVAILABLE
|
||||
# if defined(_MSC_VER) && defined(_M_ARM64)
|
||||
# if defined(_MSC_VER) && !defined(__clang__) && defined(_M_ARM64)
|
||||
# include <arm64_neon.h>
|
||||
# else
|
||||
# include <arm_neon.h>
|
||||
|
|
|
|||
|
|
@ -1,7 +1,7 @@
|
|||
|
||||
/* pngrutil.c - utilities to read a PNG file
|
||||
*
|
||||
* Copyright (c) 2018 Cosmin Truta
|
||||
* Copyright (c) 2018-2022 Cosmin Truta
|
||||
* Copyright (c) 1998-2002,2004,2006-2018 Glenn Randers-Pehrson
|
||||
* Copyright (c) 1996-1997 Andreas Dilger
|
||||
* Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.
|
||||
|
|
@ -301,7 +301,6 @@ png_read_buffer(png_structrp png_ptr, png_alloc_size_t new_size, int warn)
|
|||
|
||||
if (buffer != NULL && new_size > png_ptr->read_buffer_size)
|
||||
{
|
||||
png_ptr->read_buffer = NULL;
|
||||
png_ptr->read_buffer = NULL;
|
||||
png_ptr->read_buffer_size = 0;
|
||||
png_free(png_ptr, buffer);
|
||||
|
|
@ -2076,21 +2075,22 @@ png_handle_eXIf(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length)
|
|||
png_byte buf[1];
|
||||
png_crc_read(png_ptr, buf, 1);
|
||||
info_ptr->eXIf_buf[i] = buf[0];
|
||||
if (i == 1 && buf[0] != 'M' && buf[0] != 'I'
|
||||
&& info_ptr->eXIf_buf[0] != buf[0])
|
||||
if (i == 1)
|
||||
{
|
||||
png_crc_finish(png_ptr, length);
|
||||
png_chunk_benign_error(png_ptr, "incorrect byte-order specifier");
|
||||
png_free(png_ptr, info_ptr->eXIf_buf);
|
||||
info_ptr->eXIf_buf = NULL;
|
||||
return;
|
||||
if ((buf[0] != 'M' && buf[0] != 'I') ||
|
||||
(info_ptr->eXIf_buf[0] != buf[0]))
|
||||
{
|
||||
png_crc_finish(png_ptr, length - 2);
|
||||
png_chunk_benign_error(png_ptr, "incorrect byte-order specifier");
|
||||
png_free(png_ptr, info_ptr->eXIf_buf);
|
||||
info_ptr->eXIf_buf = NULL;
|
||||
return;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (png_crc_finish(png_ptr, 0) != 0)
|
||||
return;
|
||||
|
||||
png_set_eXIf_1(png_ptr, info_ptr, length, info_ptr->eXIf_buf);
|
||||
if (png_crc_finish(png_ptr, 0) == 0)
|
||||
png_set_eXIf_1(png_ptr, info_ptr, length, info_ptr->eXIf_buf);
|
||||
|
||||
png_free(png_ptr, info_ptr->eXIf_buf);
|
||||
info_ptr->eXIf_buf = NULL;
|
||||
|
|
@ -2126,8 +2126,9 @@ png_handle_hIST(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length)
|
|||
|
||||
num = length / 2 ;
|
||||
|
||||
if (num != (unsigned int) png_ptr->num_palette ||
|
||||
num > (unsigned int) PNG_MAX_PALETTE_LENGTH)
|
||||
if (length != num * 2 ||
|
||||
num != (unsigned int)png_ptr->num_palette ||
|
||||
num > (unsigned int)PNG_MAX_PALETTE_LENGTH)
|
||||
{
|
||||
png_crc_finish(png_ptr, length);
|
||||
png_chunk_benign_error(png_ptr, "invalid");
|
||||
|
|
@ -4621,14 +4622,13 @@ defined(PNG_USER_TRANSFORM_PTR_SUPPORTED)
|
|||
*/
|
||||
{
|
||||
png_bytep temp = png_ptr->big_row_buf + 32;
|
||||
int extra = (int)((temp - (png_bytep)0) & 0x0f);
|
||||
size_t extra = (size_t)temp & 0x0f;
|
||||
png_ptr->row_buf = temp - extra - 1/*filter byte*/;
|
||||
|
||||
temp = png_ptr->big_prev_row + 32;
|
||||
extra = (int)((temp - (png_bytep)0) & 0x0f);
|
||||
extra = (size_t)temp & 0x0f;
|
||||
png_ptr->prev_row = temp - extra - 1/*filter byte*/;
|
||||
}
|
||||
|
||||
#else
|
||||
/* Use 31 bytes of padding before and 17 bytes after row_buf. */
|
||||
png_ptr->row_buf = png_ptr->big_row_buf + 31;
|
||||
|
|
|
|||
|
|
@ -1,7 +1,7 @@
|
|||
|
||||
/* pngset.c - storage of image information into info struct
|
||||
*
|
||||
* Copyright (c) 2018 Cosmin Truta
|
||||
* Copyright (c) 2018-2022 Cosmin Truta
|
||||
* Copyright (c) 1998-2018 Glenn Randers-Pehrson
|
||||
* Copyright (c) 1996-1997 Andreas Dilger
|
||||
* Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.
|
||||
|
|
@ -1019,6 +1019,9 @@ png_set_tRNS(png_structrp png_ptr, png_inforp info_ptr,
|
|||
info_ptr->trans_alpha = png_voidcast(png_bytep,
|
||||
png_malloc(png_ptr, PNG_MAX_PALETTE_LENGTH));
|
||||
memcpy(info_ptr->trans_alpha, trans_alpha, (size_t)num_trans);
|
||||
|
||||
info_ptr->valid |= PNG_INFO_tRNS;
|
||||
info_ptr->free_me |= PNG_FREE_TRNS;
|
||||
}
|
||||
png_ptr->trans_alpha = info_ptr->trans_alpha;
|
||||
}
|
||||
|
|
@ -1326,7 +1329,7 @@ png_set_unknown_chunk_location(png_const_structrp png_ptr, png_inforp info_ptr,
|
|||
|
||||
#ifdef PNG_MNG_FEATURES_SUPPORTED
|
||||
png_uint_32 PNGAPI
|
||||
png_permit_mng_features (png_structrp png_ptr, png_uint_32 mng_features)
|
||||
png_permit_mng_features(png_structrp png_ptr, png_uint_32 mng_features)
|
||||
{
|
||||
png_debug(1, "in png_permit_mng_features");
|
||||
|
||||
|
|
@ -1633,7 +1636,7 @@ png_set_invalid(png_const_structrp png_ptr, png_inforp info_ptr, int mask)
|
|||
#ifdef PNG_SET_USER_LIMITS_SUPPORTED
|
||||
/* This function was added to libpng 1.2.6 */
|
||||
void PNGAPI
|
||||
png_set_user_limits (png_structrp png_ptr, png_uint_32 user_width_max,
|
||||
png_set_user_limits(png_structrp png_ptr, png_uint_32 user_width_max,
|
||||
png_uint_32 user_height_max)
|
||||
{
|
||||
/* Images with dimensions larger than these limits will be
|
||||
|
|
@ -1649,7 +1652,7 @@ png_set_user_limits (png_structrp png_ptr, png_uint_32 user_width_max,
|
|||
|
||||
/* This function was added to libpng 1.4.0 */
|
||||
void PNGAPI
|
||||
png_set_chunk_cache_max (png_structrp png_ptr, png_uint_32 user_chunk_cache_max)
|
||||
png_set_chunk_cache_max(png_structrp png_ptr, png_uint_32 user_chunk_cache_max)
|
||||
{
|
||||
if (png_ptr != NULL)
|
||||
png_ptr->user_chunk_cache_max = user_chunk_cache_max;
|
||||
|
|
@ -1657,7 +1660,7 @@ png_set_chunk_cache_max (png_structrp png_ptr, png_uint_32 user_chunk_cache_max)
|
|||
|
||||
/* This function was added to libpng 1.4.1 */
|
||||
void PNGAPI
|
||||
png_set_chunk_malloc_max (png_structrp png_ptr,
|
||||
png_set_chunk_malloc_max(png_structrp png_ptr,
|
||||
png_alloc_size_t user_chunk_malloc_max)
|
||||
{
|
||||
if (png_ptr != NULL)
|
||||
|
|
|
|||
|
|
@ -1,7 +1,7 @@
|
|||
|
||||
/* pngstruct.h - header file for PNG reference library
|
||||
*
|
||||
* Copyright (c) 2018-2019 Cosmin Truta
|
||||
* Copyright (c) 2018-2022 Cosmin Truta
|
||||
* Copyright (c) 1998-2002,2004,2006-2018 Glenn Randers-Pehrson
|
||||
* Copyright (c) 1996-1997 Andreas Dilger
|
||||
* Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.
|
||||
|
|
@ -334,18 +334,8 @@ struct png_struct_def
|
|||
size_t current_buffer_size; /* amount of data now in current_buffer */
|
||||
int process_mode; /* what push library is currently doing */
|
||||
int cur_palette; /* current push library palette index */
|
||||
|
||||
#endif /* PROGRESSIVE_READ */
|
||||
|
||||
#if defined(__TURBOC__) && !defined(_Windows) && !defined(__FLAT__)
|
||||
/* For the Borland special 64K segment handler */
|
||||
png_bytepp offset_table_ptr;
|
||||
png_bytep offset_table;
|
||||
png_uint_16 offset_table_number;
|
||||
png_uint_16 offset_table_count;
|
||||
png_uint_16 offset_table_count_free;
|
||||
#endif
|
||||
|
||||
#ifdef PNG_READ_QUANTIZE_SUPPORTED
|
||||
png_bytep palette_lookup; /* lookup table for quantizing */
|
||||
png_bytep quantize_index; /* index translation for palette files */
|
||||
|
|
|
|||
|
|
@ -1,7 +1,7 @@
|
|||
|
||||
/* pngwrite.c - general routines to write a PNG file
|
||||
*
|
||||
* Copyright (c) 2018-2019 Cosmin Truta
|
||||
* Copyright (c) 2018-2022 Cosmin Truta
|
||||
* Copyright (c) 1998-2002,2004,2006-2018 Glenn Randers-Pehrson
|
||||
* Copyright (c) 1996-1997 Andreas Dilger
|
||||
* Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.
|
||||
|
|
@ -489,6 +489,16 @@ png_convert_from_time_t(png_timep ptime, time_t ttime)
|
|||
png_debug(1, "in png_convert_from_time_t");
|
||||
|
||||
tbuf = gmtime(&ttime);
|
||||
if (tbuf == NULL)
|
||||
{
|
||||
/* TODO: add a safe function which takes a png_ptr argument and raises
|
||||
* a png_error if the ttime argument is invalid and the call to gmtime
|
||||
* fails as a consequence.
|
||||
*/
|
||||
memset(ptime, 0, sizeof(*ptime));
|
||||
return;
|
||||
}
|
||||
|
||||
png_convert_from_struct_tm(ptime, tbuf);
|
||||
}
|
||||
#endif
|
||||
|
|
|
|||
Loading…
Reference in New Issue