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-rw-r--r--tools/convbdf.c879
1 files changed, 879 insertions, 0 deletions
diff --git a/tools/convbdf.c b/tools/convbdf.c
new file mode 100644
index 0000000000..2fc60bb7ce
--- /dev/null
+++ b/tools/convbdf.c
@@ -0,0 +1,879 @@
+/*
+ * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * $Header$
+ *
+ */
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+
+/* BEGIN font.h*/
+/* bitmap_t helper macros*/
+#define BITMAP_WORDS(x) (((x)+15)/16) /* image size in words*/
+#define BITMAP_BYTES(x) (BITMAP_WORDS(x)*sizeof(bitmap_t))
+#define BITMAP_BITSPERIMAGE (sizeof(bitmap_t) * 8)
+#define BITMAP_BITVALUE(n) ((bitmap_t) (((bitmap_t) 1) << (n)))
+#define BITMAP_FIRSTBIT (BITMAP_BITVALUE(BITMAP_BITSPERIMAGE - 1))
+#define BITMAP_TESTBIT(m) ((m) & BITMAP_FIRSTBIT)
+#define BITMAP_SHIFTBIT(m) ((bitmap_t) ((m) << 1))
+
+typedef unsigned short bitmap_t; /* bitmap image unit size*/
+
+/* 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 ascent; /* ascent (baseline) height*/
+ int firstchar; /* first character in bitmap*/
+ int size; /* font size in glyphs*/
+ bitmap_t* bits; /* 16-bit right-padded bitmap data*/
+ unsigned long* offset; /* offsets into bitmap data*/
+ unsigned char* width; /* character widths or NULL if fixed*/
+ int defaultchar; /* default char (not glyph index)*/
+ long bits_size; /* # words of bitmap_t 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;
+ int fbbw, fbbh, fbbx, fbby;
+};
+/* 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];
+
+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);
+bitmap_t bdf_hexval(unsigned char *buf, int ndx1, int ndx2);
+
+int gen_c_source(struct font* pf, char *path);
+
+void error(const char *s, ...) {
+ char buf[1024];
+ va_list va;
+
+ va_start(va, s);
+ vsprintf(buf, 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);
+ vsprintf(buf, 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"
+ " -n Don't generate bitmaps as comments in .c file\n"
+ };
+
+ fprintf(stderr, help);
+}
+
+/* parse command line options*/
+void getopts(int *pac, char ***pav)
+{
+ const char *p;
+ char **av;
+ int ac;
+
+ 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;
+ 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, ".cpp");
+ }
+ 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 = (bitmap_t *)malloc(pf->bits_size * sizeof(bitmap_t) + EXTRA);
+ pf->offset = (unsigned long *)malloc(pf->size * sizeof(unsigned long));
+ pf->width = (unsigned char *)malloc(pf->size * sizeof(unsigned char));
+
+ 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 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")) {
+ bitmap_t *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;
+
+ /* calc char width*/
+ if (bbx < 0) {
+ width -= bbx;
+ /*if (width > maxwidth)
+ width = maxwidth;*/
+ bbx = 0;
+ }
+ if (width > maxwidth)
+ maxwidth = width;
+ pf->width[encoding-pf->firstchar] = width;
+
+ /* clear bitmap*/
+ memset(ch_bitmap, 0, BITMAP_BYTES(width) * pf->height);
+
+ ch_words = BITMAP_WORDS(width);
+#define BM(row,col) (*(ch_bitmap + ((row)*ch_words) + (col)))
+#define BITMAP_NIBBLES (BITMAP_BITSPERIMAGE/4)
+
+ /* read bitmaps*/
+ for (i=0; ; ++i) {
+ int hexnibbles;
+
+ if (!bdf_getline(fp, buf, sizeof(buf))) {
+ fprintf(stderr, "Error: EOF reading BITMAP data\n");
+ return 0;
+ }
+ if (isprefix(buf, "ENDCHAR"))
+ break;
+
+ hexnibbles = strlen(buf);
+ for (k=0; k<ch_words; ++k) {
+ int ndx = k * BITMAP_NIBBLES;
+ int padnibbles = hexnibbles - ndx;
+ bitmap_t value;
+
+ if (padnibbles <= 0)
+ break;
+ if (padnibbles >= BITMAP_NIBBLES)
+ padnibbles = 0;
+
+ value = bdf_hexval((unsigned char *)buf,
+ ndx, ndx+BITMAP_NIBBLES-1-padnibbles);
+ value <<= padnibbles * BITMAP_NIBBLES;
+
+ BM(pf->height - pf->descent - bby - bbh + i, k) |=
+ value >> bbx;
+ /* handle overflow into next image word*/
+ if (bbx) {
+ BM(pf->height - pf->descent - bby - bbh + i, k+1) =
+ value << (BITMAP_BITSPERIMAGE - bbx);
+ }
+ }
+ }
+
+ ofs += BITMAP_WORDS(width) * pf->height;
+
+ 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];
+ }
+ }
+
+ /* 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->width[i]) * pf->height;
+ }
+ 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;
+ }
+
+ /* reallocate bits array to actual bits used*/
+ if (ofs < pf->bits_size) {
+ pf->bits = realloc(pf->bits, ofs * sizeof(bitmap_t));
+ 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 portion of buffer*/
+bitmap_t bdf_hexval(unsigned char *buf, int ndx1, int ndx2)
+{
+ bitmap_t val = 0;
+ int i, c;
+
+ for (i=ndx1; i<=ndx2; ++i) {
+ c = buf[i];
+ 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 i;
+ int did_defaultchar = 0;
+ int did_syncmsg = 0;
+ time_t t = time(0);
+ bitmap_t *ofs = pf->bits;
+ char buf[256];
+ char obuf[256];
+ char hdr1[] = {
+ "/* Generated by convbdf on %s. */\n"
+ "#include \"common/stdafx.h\"\n"
+ "#include \"graphics/font.h\"\n"
+ "\n"
+ "/* Font information:\n"
+ " name: %s\n"
+ " facename: %s\n"
+ " w x h: %dx%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 Graphics {\n"
+ "\n"
+ "/* Font character bitmap data. */\n"
+ "static const bitmap_t _font_bits[] = {\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,
+ pf->name,
+ pf->facename? pf->facename: "",
+ pf->maxwidth, pf->height,
+ 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: "");
+
+ /* generate bitmaps*/
+ for (i=0; i<pf->size; ++i) {
+ int x;
+ int bitcount = 0;
+ int width = pf->width ? pf->width[i] : pf->maxwidth;
+ int height = pf->height;
+ bitmap_t *bits = pf->bits + (pf->offset? pf->offset[i]: (height * i));
+ bitmap_t 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",
+ i+pf->firstchar, i+pf->firstchar, width);
+
+ if (gen_map) {
+ fprintf(ofp, "\n +");
+ for (x=0; x<width; ++x) fprintf(ofp, "-");
+ fprintf(ofp, "+\n");
+
+ x = 0;
+ while (height > 0) {
+ if (x == 0) fprintf(ofp, " |");
+
+ if (bitcount <= 0) {
+ bitcount = BITMAP_BITSPERIMAGE;
+ bitvalue = *bits++;
+ }
+
+ fprintf(ofp, BITMAP_TESTBIT(bitvalue)? "*": " ");
+
+ bitvalue = BITMAP_SHIFTBIT(bitvalue);
+ --bitcount;
+ if (++x == width) {
+ fprintf(ofp, "|\n");
+ --height;
+ 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]: (pf->height * i));
+ for (x=BITMAP_WORDS(width)*pf->height; x>0; --x) {
+ fprintf(ofp, "0x%04x,\n", *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 unsigned long _sysfont_offset[] = {\n");
+
+ 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 _sysfont_width[] = {\n");
+
+ 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 struct font struct*/
+ if (pf->offset)
+ sprintf(obuf, "_sysfont_offset,");
+ else
+ sprintf(obuf, "0, /* no encode table*/");
+
+ if (pf->width)
+ sprintf(buf, "_sysfont_width,");
+ else
+ sprintf(buf, "0, /* fixed width*/");
+
+ fprintf(ofp,
+ "/* Exported structure definition. */\n"
+ "static const FontDesc desc = {\n"
+ "\t" "\"%s\",\n"
+ "\t" "%d,\n"
+ "\t" "%d,\n"
+ "\t" "%d,\n"
+ "\t" "%d,\n"
+ "\t" "%d,\n"
+ "\t" "_font_bits,\n"
+ "\t" "%s\n"
+ "\t" "%s\n"
+ "\t" "%d,\n"
+ "\t" "sizeof(_font_bits)/sizeof(bitmap_t)\n"
+ "};\n",
+ pf->name,
+ pf->maxwidth, pf->height,
+ pf->ascent,
+ pf->firstchar,
+ pf->size,
+ obuf,
+ buf,
+ pf->defaultchar);
+
+ fprintf(ofp, "\n" "extern const NewFont g_sysfont(desc);\n");
+ fprintf(ofp, "\n} // End of namespace Graphics\n");
+
+ return 0;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2025-02-02 20:57:40 +0000