/* * fnttofon. Combine several fnt files in one fon file * * Copyright 2004 Huw Davies * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include #include #include #include unsigned char MZ_hdr[] = {'M', 'Z', 0x0d, 0x01, 0x01, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xb8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0x0e, 0x1f, 0xba, 0x0e, 0x00, 0xb4, 0x09, 0xcd, 0x21, 0xb8, 0x01, 0x4c, 0xcd, 0x21, 'T', 'h', 'i', 's', ' ', 'P', 'r', 'o', 'g', 'r', 'a', 'm', ' ', 'c', 'a', 'n', 'n', 'o', 't', ' ', 'b', 'e', ' ', 'r', 'u', 'n', ' ', 'i', 'n', ' ', 'D', 'O', 'S', ' ', 'm', 'o', 'd', 'e', 0x0d, 0x0a, 0x24, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; unsigned char NE_hdr[] = {'N', 'E', 0x05, 0x01, 0xff, 0xff, 0x02, 0x00, 0x5c, 0x35, 0xe4, 0x41, 0x00, 0x83, 0x00, 0x00, /* entry table tbd, 2 bytes long. */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0x40, 0x00, 0x40, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, /* tbd bytes in non-resident name table, off of seg table 0x40, off of resource table 0x40, off of resident name table (tbd) etc */ 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04 }; static void usage(char **argv) { fprintf(stderr, "%s fntfiles output.fon\n", argv[0]); return; } int main(int argc, char **argv) { int num_files, i, j; FILE *fp, *ofp; long off; char name[200]; int c; char *cp; short pt, ver, dpi[2]; int resource_table_len, non_resident_name_len, resident_name_len; unsigned short resource_table_off, resident_name_off, module_ref_off, non_resident_name_off, fontdir_off, font_off; char resident_name[200] = ""; int fontdir_len = 2, fontdir_len_shift; char non_resident_name[200] = ""; int *file_lens, nread; int first_res = 0x0050, pad, res; char fnt_header[0x100]; char buf[0x1000]; if(argc < 3) { usage(argv); exit(1); } num_files = argc - 2; file_lens = malloc(num_files * sizeof(int)); for(i = 0; i < num_files; i++) { fp = fopen(argv[i+1], "r"); if(!fp) { fprintf(stderr, "Can't open %s\n", argv[i+1]); usage(argv); exit(1); } fread(&ver, sizeof(short), 1, fp); if(ver != 0x200 && ver != 0x300) { fprintf(stderr, "invalid fnt file %s ver %d\n", argv[i+1], ver); exit(1); } fread(file_lens + i, sizeof(int), 1, fp); fseek(fp, 0x44, SEEK_SET); fread(&pt, sizeof(short), 1, fp); fread(dpi, sizeof(short), 2, fp); fseek(fp, 0x69, SEEK_SET); fread(&off, sizeof(long), 1, fp); fseek(fp, off, SEEK_SET); cp = name; while((c = fgetc(fp)) != 0 && c != EOF) *cp++ = c; *cp = '\0'; fprintf(stderr, "%s %d pts %dx%d dpi\n", name, pt, dpi[0], dpi[1]); fclose(fp); fontdir_len += 0x74 + strlen(name) + 1; /* FIXME does the fontdir entry for version 3 fonts differ from 2? */ if(i == 0) { sprintf(non_resident_name, "FONTRES 100,%d,%d : %s %d", dpi[0], dpi[1], name, pt); strcpy(resident_name, name); } else { sprintf(non_resident_name + strlen(non_resident_name), ",%d", pt); } } if(dpi[0] <= 108) strcat(non_resident_name, " (VGA res)"); else strcat(non_resident_name, " (8514 res)"); non_resident_name_len = strlen(non_resident_name) + 4; /* shift count + fontdir entry + num_files of font + nul type + \007FONTDIR */ resource_table_len = 2 + 20 + 8 + 12 * num_files + 2 + 8; resource_table_off = NE_hdr[0x24]; resource_table_off |= (NE_hdr[0x25] << 8); resident_name_off = resource_table_off + resource_table_len; NE_hdr[0x20] = non_resident_name_len & 0xff; NE_hdr[0x21] = (non_resident_name_len >> 8) & 0xff; NE_hdr[0x26] = resident_name_off & 0xff; NE_hdr[0x27] = (resident_name_off >> 8) & 0xff; resident_name_len = strlen(resident_name) + 4; module_ref_off = resident_name_off + resident_name_len; NE_hdr[0x28] = module_ref_off & 0xff; NE_hdr[0x29] = (module_ref_off >> 8) & 0xff; NE_hdr[0x2a] = NE_hdr[0x28]; NE_hdr[0x2b] = NE_hdr[0x29]; NE_hdr[0x04] = NE_hdr[0x28]; NE_hdr[0x05] = NE_hdr[0x29]; non_resident_name_off = 0x80 + module_ref_off + 2; NE_hdr[0x2c] = non_resident_name_off & 0xff; NE_hdr[0x2d] = (non_resident_name_off >> 8) & 0xff; fontdir_off = (non_resident_name_off + non_resident_name_len + 15) & ~0xf; font_off = (fontdir_off + fontdir_len + 15) & ~0x0f; ofp = fopen(argv[argc - 1], "w"); fwrite(MZ_hdr, sizeof(MZ_hdr), 1, ofp); fwrite(NE_hdr, sizeof(NE_hdr), 1, ofp); fputc(0x04, ofp); fputc(0x00, ofp); /* shift of 4 */ fputc(0x07, ofp); fputc(0x80, ofp); /* type 0x8007 */ fputc(0x01, ofp); fputc(0x00, ofp); /* 1 off */ fputc(0x00, ofp); fputc(0x00, ofp); fputc(0x00, ofp); fputc(0x00, ofp); fontdir_off >>= 4; fputc(fontdir_off & 0xff, ofp); fputc((fontdir_off >> 8) & 0xff, ofp); fontdir_len_shift = (fontdir_len + 15) >> 4; fputc(fontdir_len_shift & 0xff, ofp); fputc((fontdir_len_shift >> 8) & 0xff, ofp); fputc(0x50, ofp); fputc(0x0c, ofp); fputc(0x7c, ofp); fputc(0x00, ofp); fputc(0x00, ofp); fputc(0x00, ofp); fputc(0x00, ofp); fputc(0x00, ofp); fputc(0x08, ofp); fputc(0x80, ofp); /* type 0x8008 */ fputc(num_files & 0xff, ofp); fputc((num_files >> 8) & 0xff, ofp); /* num_files off */ fputc(0x00, ofp); fputc(0x00, ofp); fputc(0x00, ofp); fputc(0x00, ofp); for(res = first_res | 0x8000, i = 0; i < num_files; i++, res++) { int len = (file_lens[i] + 15) & ~0xf; fputc((font_off >> 4) & 0xff, ofp); fputc((font_off >> 12) & 0xff, ofp); fputc((len >> 4) & 0xff, ofp); fputc((len >> 12) & 0xff, ofp); font_off += len; fputc(0x30, ofp); fputc(0x1c, ofp); fputc(res & 0xff, ofp); fputc((res >> 8) & 0xff, ofp); fputc(0x00, ofp); fputc(0x00, ofp); fputc(0x00, ofp); fputc(0x00, ofp); } fputc(0x00, ofp); fputc(0x00, ofp); /* nul type */ fputc(strlen("FONTDIR"), ofp); fwrite("FONTDIR", strlen("FONTDIR"), 1, ofp); fputc(strlen(resident_name), ofp); fwrite(resident_name, strlen(resident_name), 1, ofp); fputc(0x00, ofp); fputc(0x00, ofp); fputc(0x00, ofp); fputc(0x00, ofp); fputc(0x00, ofp); fputc(strlen(non_resident_name), ofp); fwrite(non_resident_name, strlen(non_resident_name), 1, ofp); fputc(0x00, ofp); fputc(0x00, ofp); fputc(0x00, ofp); pad = (non_resident_name_off + non_resident_name_len) & 0xf; if(pad != 0) pad = 0x10 - pad; for(i = 0; i < pad; i++) fputc(0x00, ofp); /* FONTDIR resource */ fputc(num_files & 0xff, ofp); fputc((num_files >> 8) & 0xff, ofp); for(res = first_res, i = 0; i < num_files; i++, res++) { fp = fopen(argv[i+1], "r"); fputc(res & 0xff, ofp); fputc((res >> 8) & 0xff, ofp); fread(fnt_header, 0x72, 1, fp); fwrite(fnt_header, 0x72, 1, ofp); fseek(fp, 0x69, SEEK_SET); fread(&off, sizeof(long), 1, fp); fseek(fp, off, SEEK_SET); cp = name; while((c = fgetc(fp)) != 0 && c != EOF) *cp++ = c; *cp = '\0'; fwrite(name, strlen(name) + 1, 1, ofp); fclose(fp); } pad = fontdir_len & 0xf; if(pad != 0) pad = 0x10 - pad; for(i = 0; i < pad; i++) fputc(0x00, ofp); for(res = first_res, i = 0; i < num_files; i++, res++) { fp = fopen(argv[i+1], "r"); while(1) { nread = read(fileno(fp), buf, sizeof(buf)); if(!nread) break; fwrite(buf, nread, 1, ofp); } fclose(fp); pad = file_lens[i] & 0xf; if(pad != 0) pad = 0x10 - pad; for(j = 0; j < pad; j++) fputc(0x00, ofp); } fclose(ofp); return 0; }