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stella/src/tools/convbdf.c

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/*
* Convert BDF files to C++ source.
*
* Copyright (c) 2002 by Greg Haerr <greg@censoft.com>
*
* Originally writen for the Microwindows Project <http://microwindows.org>
*
* Greg then modified it for Rockbox <http://rockbox.haxx.se/>
*
* Max Horn took that version and changed it to work for ScummVM.
* Changes include: warning fixes, removed .FNT output, output C++ source,
* tweak code generator so that the generated code fits into ScummVM code base.
*
* What fun it is converting font data...
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
int READ_UINT16(void *addr) {
unsigned char *buf = addr;
return (buf[0] << 8) | buf[1];
}
void WRITE_UINT16(void *addr, int value) {
unsigned char *buf = addr;
buf[0] = (value >> 8) & 0xFF;
buf[1] = value & 0xFF;
}
/* BEGIN font.h*/
/* uInt16 helper macros*/
#define BITMAP_WORDS(x) (((x)+15)/16) /* image size in words*/
#define BITMAP_BYTES(x) (BITMAP_WORDS(x)*sizeof(uInt16))
#define BITMAP_BITSPERIMAGE (sizeof(uInt16) * 8)
#define BITMAP_BITVALUE(n) ((uInt16) (((uInt16) 1) << (n)))
#define BITMAP_FIRSTBIT (BITMAP_BITVALUE(BITMAP_BITSPERIMAGE - 1))
#define BITMAP_TESTBIT(m) ((m) & BITMAP_FIRSTBIT)
#define BITMAP_SHIFTBIT(m) ((uInt16) ((m) << 1))
typedef unsigned short uInt16; /* bitmap image unit size*/
typedef struct {
signed char w;
signed char h;
signed char x;
signed char y;
} BBX;
/* builtin C-based proportional/fixed font structure */
/* based on The Microwindows Project http://microwindows.org */
struct font {
char * name; /* font name*/
int maxwidth; /* max width in pixels*/
int height; /* height in pixels*/
int fbbw, fbbh, fbbx, fbby; /* max bounding box */
int ascent; /* ascent (baseline) height*/
int firstchar; /* first character in bitmap*/
int size; /* font size in glyphs*/
uInt16* bits; /* 16-bit right-padded bitmap data*/
unsigned long* offset; /* offsets into bitmap data*/
unsigned char* width; /* character widths or NULL if fixed*/
BBX* bbx; /* character bounding box or NULL if fixed*/
int defaultchar; /* default char (not glyph index)*/
long bits_size; /* # words of uInt16 bits*/
/* unused by runtime system, read in by convbdf*/
char * facename; /* facename of font*/
char * copyright; /* copyright info for loadable fonts*/
int pixel_size;
int descent;
};
/* END font.h*/
#define isprefix(buf,str) (!strncmp(buf, str, strlen(str)))
#define strequal(s1,s2) (!strcmp(s1, s2))
#define EXTRA 300 /* # bytes extra allocation for buggy .bdf files*/
int gen_map = 1;
int start_char = 0;
int limit_char = 65535;
int oflag = 0;
char outfile[256];
char fontname[256];
char fontnameU[256];
void usage(void);
void getopts(int *pac, char ***pav);
int convbdf(char *path);
void free_font(struct font* pf);
struct font* bdf_read_font(char *path);
int bdf_read_header(FILE *fp, struct font* pf);
int bdf_read_bitmaps(FILE *fp, struct font* pf);
char * bdf_getline(FILE *fp, char *buf, int len);
uInt16 bdf_hexval(unsigned char *buf);
int gen_c_source(struct font* pf, char *path);
void error(const char *s, ...) {
char buf[1024];
va_list va;
va_start(va, s);
vsnprintf(buf, 1024, s, va);
va_end(va);
fprintf(stderr, "ERROR: %s!\n", buf);
exit(1);
}
void warning(const char *s, ...) {
char buf[1024];
va_list va;
va_start(va, s);
vsnprintf(buf, 1024, s, va);
va_end(va);
fprintf(stderr, "WARNING: %s!\n", buf);
}
void
usage(void)
{
char help[] = {
"Usage: convbdf [options] [input-files]\n"
" convbdf [options] [-o output-file] [single-input-file]\n"
"Options:\n"
" -s N Start output at character encodings >= N\n"
" -l N Limit output to character encodings <= N\n"
" -f N Name to use for the font in the C++ code\n"
" -n Don't generate bitmaps as comments in .c file\n"
};
fprintf(stderr, "%s", help);
}
/* parse command line options*/
void getopts(int *pac, char ***pav)
{
const char *p;
char **av;
int ac;
outfile[0] = '\0';
fontname[0] = '\0';
fontnameU[0] = '\0';
ac = *pac;
av = *pav;
while (ac > 0 && av[0][0] == '-') {
p = &av[0][1];
while (*p) {
switch (*p++) {
case ' ': /* multiple -args on av[]*/
while (*p && *p == ' ')
p++;
if (*p++ != '-') /* next option must have dash*/
p = "";
break; /* proceed to next option*/
case 'n': /* don't gen bitmap comments*/
gen_map = 0;
break;
case 'o': /* set output file*/
oflag = 1;
if (*p) {
strcpy(outfile, p);
while (*p && *p != ' ')
p++;
}
else {
av++; ac--;
if (ac > 0)
strcpy(outfile, av[0]);
}
break;
case 'l': /* set encoding limit*/
if (*p) {
limit_char = atoi(p);
while (*p && *p != ' ')
p++;
}
else {
av++; ac--;
if (ac > 0)
limit_char = atoi(av[0]);
}
break;
case 's': /* set encoding start*/
if (*p) {
start_char = atoi(p);
while (*p && *p != ' ')
p++;
}
else {
av++; ac--;
if (ac > 0)
start_char = atoi(av[0]);
}
break;
case 'f': /* set font name*/
if (*p) {
strcpy(fontname, p);
while (*p && *p != ' ')
p++;
}
else {
av++; ac--;
if (ac > 0)
strcpy(fontname, av[0]);
}
{
char* u;
strcpy(fontnameU, fontname);
u = fontnameU;
while(*u=toupper(*u))
*u++;
}
break;
default:
fprintf(stderr, "Unknown option ignored: %c\r\n", *(p-1));
}
}
++av; --ac;
}
*pac = ac;
*pav = av;
}
/* remove directory prefix and file suffix from full path*/
char *basename(char *path)
{
char *p, *b;
static char base[256];
/* remove prepended path and extension*/
b = path;
for (p = path; *p; ++p) {
if (*p == '/')
b = p + 1;
}
strcpy(base, b);
for (p = base; *p; ++p) {
if (*p == '.') {
*p = 0;
break;
}
}
return base;
}
int convbdf(char *path)
{
struct font* pf;
int ret = 0;
pf = bdf_read_font(path);
if (!pf)
exit(1);
if (!oflag) {
strcpy(outfile, basename(path));
strcat(outfile, ".hxx");
}
ret |= gen_c_source(pf, outfile);
free_font(pf);
return ret;
}
int main(int ac, char *av[])
{
int ret = 0;
++av; --ac; /* skip av[0]*/
getopts(&ac, &av); /* read command line options*/
if (ac < 1) {
usage();
exit(1);
}
if (oflag && ac > 1) {
usage();
exit(1);
}
while (ac > 0) {
ret |= convbdf(av[0]);
++av; --ac;
}
exit(ret);
}
/* free font structure*/
void free_font(struct font* pf)
{
if (!pf)
return;
free(pf->name);
free(pf->facename);
free(pf->bits);
free(pf->offset);
free(pf->width);
free(pf);
}
/* build incore structure from .bdf file*/
struct font* bdf_read_font(char *path)
{
FILE *fp;
struct font* pf;
fp = fopen(path, "rb");
if (!fp) {
fprintf(stderr, "Error opening file: %s\n", path);
return NULL;
}
pf = (struct font*)calloc(1, sizeof(struct font));
if (!pf)
goto errout;
pf->name = strdup(basename(path));
if (!bdf_read_header(fp, pf)) {
fprintf(stderr, "Error reading font header\n");
goto errout;
}
if (!bdf_read_bitmaps(fp, pf)) {
fprintf(stderr, "Error reading font bitmaps\n");
goto errout;
}
fclose(fp);
return pf;
errout:
fclose(fp);
free_font(pf);
return NULL;
}
/* read bdf font header information, return 0 on error*/
int bdf_read_header(FILE *fp, struct font* pf)
{
int encoding;
int nchars, maxwidth;
int firstchar = 65535;
int lastchar = -1;
char buf[256];
char facename[256];
char copyright[256];
/* set certain values to errors for later error checking*/
pf->defaultchar = -1;
pf->ascent = -1;
pf->descent = -1;
for (;;) {
if (!bdf_getline(fp, buf, sizeof(buf))) {
fprintf(stderr, "Error: EOF on file\n");
return 0;
}
if (isprefix(buf, "FONT ")) { /* not required*/
if (sscanf(buf, "FONT %[^\n]", facename) != 1) {
fprintf(stderr, "Error: bad 'FONT'\n");
return 0;
}
pf->facename = strdup(facename);
continue;
}
if (isprefix(buf, "COPYRIGHT ")) { /* not required*/
if (sscanf(buf, "COPYRIGHT \"%[^\"]", copyright) != 1) {
fprintf(stderr, "Error: bad 'COPYRIGHT'\n");
return 0;
}
pf->copyright = strdup(copyright);
continue;
}
if (isprefix(buf, "DEFAULT_CHAR ")) { /* not required*/
if (sscanf(buf, "DEFAULT_CHAR %d", &pf->defaultchar) != 1) {
fprintf(stderr, "Error: bad 'DEFAULT_CHAR'\n");
return 0;
}
}
if (isprefix(buf, "FONT_DESCENT ")) {
if (sscanf(buf, "FONT_DESCENT %d", &pf->descent) != 1) {
fprintf(stderr, "Error: bad 'FONT_DESCENT'\n");
return 0;
}
continue;
}
if (isprefix(buf, "FONT_ASCENT ")) {
if (sscanf(buf, "FONT_ASCENT %d", &pf->ascent) != 1) {
fprintf(stderr, "Error: bad 'FONT_ASCENT'\n");
return 0;
}
continue;
}
if (isprefix(buf, "FONTBOUNDINGBOX ")) {
if (sscanf(buf, "FONTBOUNDINGBOX %d %d %d %d",
&pf->fbbw, &pf->fbbh, &pf->fbbx, &pf->fbby) != 4) {
fprintf(stderr, "Error: bad 'FONTBOUNDINGBOX'\n");
return 0;
}
continue;
}
if (isprefix(buf, "CHARS ")) {
if (sscanf(buf, "CHARS %d", &nchars) != 1) {
fprintf(stderr, "Error: bad 'CHARS'\n");
return 0;
}
continue;
}
/*
* Reading ENCODING is necessary to get firstchar/lastchar
* which is needed to pre-calculate our offset and widths
* array sizes.
*/
if (isprefix(buf, "ENCODING ")) {
if (sscanf(buf, "ENCODING %d", &encoding) != 1) {
fprintf(stderr, "Error: bad 'ENCODING'\n");
return 0;
}
if (encoding >= 0 &&
encoding <= limit_char &&
encoding >= start_char) {
if (firstchar > encoding)
firstchar = encoding;
if (lastchar < encoding)
lastchar = encoding;
}
continue;
}
if (strequal(buf, "ENDFONT"))
break;
}
/* calc font height*/
if (pf->ascent < 0 || pf->descent < 0 || firstchar < 0) {
fprintf(stderr, "Error: Invalid BDF file, requires FONT_ASCENT/FONT_DESCENT/ENCODING\n");
return 0;
}
pf->height = pf->ascent + pf->descent;
/* calc default char*/
if (pf->defaultchar < 0 ||
pf->defaultchar < firstchar ||
pf->defaultchar > limit_char )
pf->defaultchar = firstchar;
/* calc font size (offset/width entries)*/
pf->firstchar = firstchar;
pf->size = lastchar - firstchar + 1;
/* use the font boundingbox to get initial maxwidth*/
/*maxwidth = pf->fbbw - pf->fbbx;*/
maxwidth = pf->fbbw;
/* initially use font maxwidth * height for bits allocation*/
pf->bits_size = nchars * BITMAP_WORDS(maxwidth) * pf->height;
/* allocate bits, offset, and width arrays*/
pf->bits = (uInt16 *)malloc(pf->bits_size * sizeof(uInt16) + EXTRA);
pf->offset = (unsigned long *)malloc(pf->size * sizeof(unsigned long));
pf->width = (unsigned char *)malloc(pf->size * sizeof(unsigned char));
pf->bbx = (BBX *)malloc(pf->size * sizeof(BBX));
if (!pf->bits || !pf->offset || !pf->width) {
fprintf(stderr, "Error: no memory for font load\n");
return 0;
}
return 1;
}
/* read bdf font bitmaps, return 0 on error*/
int bdf_read_bitmaps(FILE *fp, struct font* pf)
{
long ofs = 0;
int maxwidth = 0;
int i, k, encoding, width;
int bbw, bbh, bbx, bby;
int proportional = 0;
int need_bbx = 0;
int encodetable = 0;
long l;
char buf[256];
/* reset file pointer*/
fseek(fp, 0L, SEEK_SET);
/* initially mark offsets as not used*/
for (i = 0; i < pf->size; ++i)
pf->offset[i] = -1;
for (;;) {
if (!bdf_getline(fp, buf, sizeof(buf))) {
fprintf(stderr, "Error: EOF on file\n");
return 0;
}
if (isprefix(buf, "STARTCHAR")) {
encoding = width = bbw = bbh = bbx = bby = -1;
continue;
}
if (isprefix(buf, "ENCODING ")) {
if (sscanf(buf, "ENCODING %d", &encoding) != 1) {
fprintf(stderr, "Error: bad 'ENCODING'\n");
return 0;
}
if (encoding < start_char || encoding > limit_char)
encoding = -1;
continue;
}
if (isprefix(buf, "DWIDTH ")) {
if (sscanf(buf, "DWIDTH %d", &width) != 1) {
fprintf(stderr, "Error: bad 'DWIDTH'\n");
return 0;
}
/* use font boundingbox width if DWIDTH <= 0*/
if (width <= 0)
width = pf->fbbw - pf->fbbx;
continue;
}
if (isprefix(buf, "BBX ")) {
if (sscanf(buf, "BBX %d %d %d %d", &bbw, &bbh, &bbx, &bby) != 4) {
fprintf(stderr, "Error: bad 'BBX'\n");
return 0;
}
continue;
}
if (strequal(buf, "BITMAP")) {
uInt16 *ch_bitmap = pf->bits + ofs;
int ch_words;
if (encoding < 0)
continue;
/* set bits offset in encode map*/
if (pf->offset[encoding-pf->firstchar] != (unsigned long)-1) {
fprintf(stderr, "Error: duplicate encoding for character %d (0x%02x), ignoring duplicate\n",
encoding, encoding);
continue;
}
pf->offset[encoding-pf->firstchar] = ofs;
pf->width[encoding-pf->firstchar] = width;
pf->bbx[encoding-pf->firstchar].w = bbw;
pf->bbx[encoding-pf->firstchar].h = bbh;
pf->bbx[encoding-pf->firstchar].x = bbx;
pf->bbx[encoding-pf->firstchar].y = bby;
if (width > maxwidth)
maxwidth = width;
/* clear bitmap*/
memset(ch_bitmap, 0, BITMAP_BYTES(bbw) * bbh);
ch_words = BITMAP_WORDS(bbw);
/* read bitmaps*/
for (i = 0; i < bbh; ++i) {
if (!bdf_getline(fp, buf, sizeof(buf))) {
fprintf(stderr, "Error: EOF reading BITMAP data\n");
return 0;
}
if (isprefix(buf, "ENDCHAR"))
break;
for (k = 0; k < ch_words; ++k) {
uInt16 value;
value = bdf_hexval((unsigned char *)buf);
if (bbw > 8) {
WRITE_UINT16(ch_bitmap, value);
} else {
WRITE_UINT16(ch_bitmap, value << 8);
}
ch_bitmap++;
}
}
// If the default glyph is completely empty, the next
// glyph will not be dumped. Work around this by
// never generating completely empty glyphs.
if (bbh == 0 && bbw == 0) {
pf->bbx[encoding-pf->firstchar].w = 1;
pf->bbx[encoding-pf->firstchar].h = 1;
*ch_bitmap++ = 0;
ofs++;
} else {
ofs += ch_words * bbh;
}
continue;
}
if (strequal(buf, "ENDFONT"))
break;
}
/* set max width*/
pf->maxwidth = maxwidth;
/* change unused offset/width values to default char values*/
for (i = 0; i < pf->size; ++i) {
int defchar = pf->defaultchar - pf->firstchar;
if (pf->offset[i] == (unsigned long)-1) {
pf->offset[i] = pf->offset[defchar];
pf->width[i] = pf->width[defchar];
pf->bbx[i].w = pf->bbx[defchar].w;
pf->bbx[i].h = pf->bbx[defchar].h;
pf->bbx[i].x = pf->bbx[defchar].x;
pf->bbx[i].y = pf->bbx[defchar].y;
}
}
/* determine whether font doesn't require encode table*/
l = 0;
for (i = 0; i < pf->size; ++i) {
if (pf->offset[i] != l) {
encodetable = 1;
break;
}
l += BITMAP_WORDS(pf->bbx[i].w) * pf->bbx[i].h;
}
if (!encodetable) {
free(pf->offset);
pf->offset = NULL;
}
/* determine whether font is fixed-width*/
for (i = 0; i < pf->size; ++i) {
if (pf->width[i] != maxwidth) {
proportional = 1;
break;
}
}
if (!proportional) {
free(pf->width);
pf->width = NULL;
}
/* determine if the font needs a bbx table */
for (i = 0; i < pf->size; ++i) {
if (pf->bbx[i].w != pf->fbbw || pf->bbx[i].h != pf->fbbh || pf->bbx[i].x != pf->fbbx || pf->bbx[i].y != pf->fbby) {
need_bbx = 1;
break;
}
}
if (!need_bbx) {
free(pf->bbx);
pf->bbx = NULL;
}
/* reallocate bits array to actual bits used*/
if (ofs < pf->bits_size) {
pf->bits = realloc(pf->bits, ofs * sizeof(uInt16));
pf->bits_size = ofs;
}
else {
if (ofs > pf->bits_size) {
fprintf(stderr, "Warning: DWIDTH spec > max FONTBOUNDINGBOX\n");
if (ofs > pf->bits_size+EXTRA) {
fprintf(stderr, "Error: Not enough bits initially allocated\n");
return 0;
}
pf->bits_size = ofs;
}
}
return 1;
}
/* read the next non-comment line, returns buf or NULL if EOF*/
char *bdf_getline(FILE *fp, char *buf, int len)
{
int c;
char *b;
for (;;) {
b = buf;
while ((c = getc(fp)) != EOF) {
if (c == '\r')
continue;
if (c == '\n')
break;
if (b - buf >= (len - 1))
break;
*b++ = c;
}
*b = '\0';
if (c == EOF && b == buf)
return NULL;
if (b != buf && !isprefix(buf, "COMMENT"))
break;
}
return buf;
}
/* return hex value of buffer */
uInt16 bdf_hexval(unsigned char *buf) {
uInt16 val = 0;
unsigned char *ptr;
for (ptr = buf; *ptr; ptr++) {
int c = *ptr;
if (c >= '0' && c <= '9')
c -= '0';
else if (c >= 'A' && c <= 'F')
c = c - 'A' + 10;
else if (c >= 'a' && c <= 'f')
c = c - 'a' + 10;
else
c = 0;
val = (val << 4) | c;
}
return val;
}
/* generate C source from in-core font*/
int gen_c_source(struct font* pf, char *path)
{
FILE *ofp;
int h, i;
int did_defaultchar = 0;
int did_syncmsg = 0;
time_t t = time(0);
uInt16 *ofs = pf->bits;
char buf[256];
char obuf[256];
char bbuf[256];
char hdr1[] = {
"//============================================================================\n"
"//\n"
"// SSSS tt lll lll\n"
"// SS SS tt ll ll\n"
"// SS tttttt eeee ll ll aaaa\n"
"// SSSS tt ee ee ll ll aa\n"
"// SS tt eeeeee ll ll aaaaa -- \"An Atari 2600 VCS Emulator\"\n"
"// SS SS tt ee ll ll aa aa\n"
"// SSSS ttt eeeee llll llll aaaaa\n"
"//\n"
"// Copyright (c) 1995-2021 by Bradford W. Mott, Stephen Anthony\n"
"// and the Stella Team\n"
"//\n"
"// See the file \"License.txt\" for information on usage and redistribution of\n"
"// this file, and for a DISCLAIMER OF ALL WARRANTIES.\n"
"//\n"
"// Generated by src/tools/convbdf on %s.\n"
"//============================================================================\n"
"\n"
"#ifndef %s_FONT_DATA_HXX\n"
"#define %s_FONT_DATA_HXX\n"
"\n"
"#include \"Font.hxx\"\n"
"\n"
"/* Font information:\n"
" name: %s\n"
" facename: %s\n"
" w x h: %dx%d\n"
" bbx: %d %d %d %d\n"
" size: %d\n"
" ascent: %d\n"
" descent: %d\n"
" first char: %d (0x%02x)\n"
" last char: %d (0x%02x)\n"
" default char: %d (0x%02x)\n"
" proportional: %s\n"
" %s\n"
"*/\n"
"\n"
"namespace GUI {\n"
"\n"
"// Font character bitmap data.\n"
"static const uInt16 %s_font_bits[] = { // NOLINT : too complicated to convert\n"
};
ofp = fopen(path, "w");
if (!ofp) {
fprintf(stderr, "Can't create %s\n", path);
return 1;
}
strcpy(buf, ctime(&t));
buf[strlen(buf) - 1] = 0;
fprintf(ofp, hdr1, buf,
fontnameU, fontnameU,
pf->name,
pf->facename? pf->facename: "",
pf->maxwidth, pf->height,
pf->fbbw, pf->fbbh, pf->fbbx, pf->fbby,
pf->size,
pf->ascent, pf->descent,
pf->firstchar, pf->firstchar,
pf->firstchar+pf->size-1, pf->firstchar+pf->size-1,
pf->defaultchar, pf->defaultchar,
pf->width? "yes": "no",
pf->copyright? pf->copyright: "",
fontname);
/* generate bitmaps*/
for (i = 0; i < pf->size; ++i) {
int x;
int bitcount = 0;
int width = pf->bbx ? pf->bbx[i].w : pf->fbbw;
int height = pf->bbx ? pf->bbx[i].h : pf->fbbh;
int xoff = pf->bbx ? pf->bbx[i].x : pf->fbbx;
int yoff = pf->bbx ? pf->bbx[i].y : pf->fbby;
uInt16 *bits = pf->bits + (pf->offset? pf->offset[i]: (height * i));
uInt16 bitvalue = 0;
/*
* Generate bitmap bits only if not this index isn't
* the default character in encode map, or the default
* character hasn't been generated yet.
*/
if (pf->offset &&
(pf->offset[i] == pf->offset[pf->defaultchar-pf->firstchar])) {
if (did_defaultchar)
continue;
did_defaultchar = 1;
}
fprintf(ofp, "\n/* Character %d (0x%02x):\n width %d\n bbx ( %d, %d, %d, %d )\n",
i+pf->firstchar, i+pf->firstchar,
pf->width ? pf->width[i+pf->firstchar] : pf->maxwidth,
width, height, xoff, yoff);
if (gen_map) {
fprintf(ofp, "\n +");
for (x=0; x<width; ++x) fprintf(ofp, "-");
fprintf(ofp, "+\n");
x = 0;
h = height;
while (h > 0) {
if (x == 0) fprintf(ofp, " |");
if (bitcount <= 0) {
bitcount = BITMAP_BITSPERIMAGE;
bitvalue = READ_UINT16(bits);
bits++;
}
fprintf(ofp, BITMAP_TESTBIT(bitvalue)? "*": " ");
bitvalue = BITMAP_SHIFTBIT(bitvalue);
--bitcount;
if (++x == width) {
fprintf(ofp, "|\n");
--h;
x = 0;
bitcount = 0;
}
}
fprintf(ofp, " +");
for (x = 0; x < width; ++x)
fprintf(ofp, "-");
fprintf(ofp, "+\n*/\n");
} else
fprintf(ofp, "\n*/\n");
bits = pf->bits + (pf->offset? pf->offset[i]: (height * i));
for (x = BITMAP_WORDS(width) * height; x > 0; --x) {
fprintf(ofp, "0x%04x,\n", READ_UINT16(bits));
if (!did_syncmsg && *bits++ != *ofs++) {
fprintf(stderr, "Warning: found encoding values in non-sorted order (not an error).\n");
did_syncmsg = 1;
}
}
}
fprintf(ofp, "};\n\n");
if (pf->offset) {
/* output offset table*/
fprintf(ofp, "/* Character->glyph mapping. */\n"
"static const uInt32 %s_sysfont_offset[] = {\n", fontname);
for (i = 0; i < pf->size; ++i)
fprintf(ofp, " %ld,\t/* (0x%02x) */\n",
pf->offset[i], i+pf->firstchar);
fprintf(ofp, "};\n\n");
}
/* output width table for proportional fonts*/
if (pf->width) {
fprintf(ofp, "/* Character width data. */\n"
"static const unsigned char %s_sysfont_width[] = {\n", fontname);
for (i = 0; i < pf->size; ++i)
fprintf(ofp, " %d,\t/* (0x%02x) */\n",
pf->width[i], i+pf->firstchar);
fprintf(ofp, "};\n\n");
}
/* output bbox table */
if (pf->bbx) {
fprintf(ofp, "/* Bounding box data. */\n"
"static const BBX %s_sysfont_bbx[] = {\n", fontname);
for (i = 0; i < pf->size; ++i)
fprintf(ofp, "\t{ %d, %d, %d, %d },\t/* (0x%02x) */\n",
pf->bbx[i].w, pf->bbx[i].h, pf->bbx[i].x, pf->bbx[i].y, i+pf->firstchar);
fprintf(ofp, "};\n\n");
}
/* output struct font struct*/
if (pf->offset)
sprintf(obuf, "%s_sysfont_offset,", fontname);
else
sprintf(obuf, "nullptr, /* no encode table*/");
if (pf->width)
sprintf(buf, "%s_sysfont_width,", fontname);
else
sprintf(buf, "nullptr, /* fixed width*/");
if (pf->bbx)
sprintf(bbuf, "%s_sysfont_bbx,", fontname);
else
sprintf(bbuf, "nullptr, /* fixed bbox*/");
fprintf(ofp,
"/* Exported structure definition. */\n"
"static const FontDesc %sDesc = {\n"
" \"%s\",\n"
" %d,\n"
" %d,\n"
" %d, %d, %d, %d,\n"
" %d,\n"
" %d,\n"
" %d,\n"
" %s_font_bits,\n"
" %s\n"
" %s\n"
" %s\n"
" %d,\n"
" sizeof(%s_font_bits)/sizeof(uInt16)\n"
"};\n",
fontname,
pf->name,
pf->maxwidth, pf->height,
pf->fbbw, pf->fbbh, pf->fbbx, pf->fbby,
pf->ascent,
pf->firstchar,
pf->size,
fontname,
obuf,
buf,
bbuf,
pf->defaultchar,
fontname);
fprintf(ofp, "\n} // End of namespace GUI\n\n#endif\n");
fclose(ofp);
return 0;
}
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