diff options
Diffstat (limited to 'pdf/fontdump.c')
-rw-r--r-- | pdf/fontdump.c | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/pdf/fontdump.c b/pdf/fontdump.c new file mode 100644 index 00000000..efda0b01 --- /dev/null +++ b/pdf/fontdump.c @@ -0,0 +1,107 @@ +/* fontdump.c -- an "xxd -i" workalike for dumping binary fonts as source code */ + +#include <stdio.h> +#include <string.h> + +static int +hexdump(FILE *fo, FILE *fi) +{ + int c, n; + + n = 0; + c = fgetc(fi); + while (c != -1) + { + fprintf(fo, "0x%02x,", c); + if (n % 16 == 15) + fprintf(fo, "\n"); + c = fgetc(fi); + n ++; + } + + return n; +} + +int +main(int argc, char **argv) +{ + FILE *fo; + FILE *fi; + char name[256]; + char *basename; + char *p; + int i, len; + + if (argc < 3) + { + fprintf(stderr, "usage: fontdump output.c input.dat\n"); + return 1; + } + + fo = fopen(argv[1], "wb"); + if (!fo) + { + fprintf(stderr, "fontdump: could not open output file '%s'\n", argv[1]); + return 1; + } + + fprintf(fo, "#ifndef __STRICT_ANSI__\n"); + fprintf(fo, "#if defined(__linux__) || defined(__FreeBSD__)\n"); + fprintf(fo, "#define HAVE_INCBIN\n"); + fprintf(fo, "#endif\n"); + fprintf(fo, "#endif\n\n"); + + for (i = 2; i < argc; i++) + { + fi = fopen(argv[i], "rb"); + if (!fi) + { + fclose(fo); + fprintf(stderr, "fontdump: could not open input file '%s'\n", argv[i]); + return 1; + } + + basename = strrchr(argv[i], '/'); + if (!basename) + basename = strrchr(argv[i], '\\'); + if (basename) + basename++; + else + basename = argv[i]; + strcpy(name, basename); + p = name; + while (*p) + { + if ((*p == '/') || (*p == '.') || (*p == '\\') || (*p == '-')) + *p = '_'; + p ++; + } + + fseek(fi, 0, SEEK_END); + len = ftell(fi); + fseek(fi, 0, SEEK_SET); + + fprintf(fo, "const unsigned int pdf_font_%s_len = %d;\n", name, len); + + fprintf(fo, "#ifdef HAVE_INCBIN\n"); + fprintf(fo, "asm(\".globl pdf_font_%s_buf\");\n", name); + fprintf(fo, "asm(\".balign 8\");\n"); + fprintf(fo, "asm(\"pdf_font_%s_buf:\");\n", name); + fprintf(fo, "asm(\".incbin \\\"%s\\\"\");\n", argv[i]); + fprintf(fo, "#else\n"); + fprintf(fo, "const unsigned char pdf_font_%s_buf[%d] = {\n", name, len); + hexdump(fo, fi); + fprintf(fo, "};\n"); + fprintf(fo, "#endif\n"); + + fclose(fi); + } + + if (fclose(fo)) + { + fprintf(stderr, "fontdump: could not close output file '%s'\n", argv[1]); + return 1; + } + + return 0; +} |