/************************************************ * * Extract fonts from .fnt or Windows DLL files * and convert them to the .bdf format. * * Copyright 1994-1996 Kevin Carothers and Alex Korobka * * 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 "config.h" #ifdef HAVE_SYS_PARAM_H # include #endif #include #include #include #include #include #include #include #include "fnt2bdf.h" #include "module.h" #define FILE_ERROR 0 #define FILE_DLL 1 #define FILE_FNT 2 /* global options */ int dump_bdf( fnt_fontS* cpe_font_struct, unsigned char* file_buffer); int dump_bdf_hdr(FILE* fs, fnt_fontS* cpe_font_struct, unsigned char* file_buffer); char* g_lpstrFileName = NULL; char* g_lpstrCharSet = NULL; char* g_lpstrInputFile = NULL; int g_outputPoints = 0; static char* errorDLLRead = "Unable to read Windows DLL.\n"; static char* errorFNTRead = "Unable to read .FNT file.\n"; static char* errorOpenFile = "Unable to open file.\n"; static char* errorMemory = "Memory allocation error.\n"; static char* errorFile = "Corrupt or invalid file.\n"; static char* errorFontData = "Unable to parse font data: Error "; static char* errorEmpty = "No fonts found.\n"; /* info */ void usage(void) { printf("Usage: fnt2bdf [-t] [-c charset] [-o basename] [input file]\n"); printf(" -c charset\tcharset name for OEM_CHARSET fonts\n"); printf(" -f basename\tbasic output filename\n"); printf(" -t \t\toutput files by point size instead of pixel height\n"); printf(" input file\tMSWindows .fon, .fnt, .dll, or .exe file.\n"); printf("\nExample:\n fnt2bdf -c winsys vgasys.fnt\n\n"); exit(-1); } /* convert little-endian value to the local format */ int return_data_value(enum data_types dtype, void * pChr) { int ret_val = 0; switch(dtype) { case (dfChar): ret_val = (int) *(unsigned char *)pChr; break; case(dfShort): ret_val = *(unsigned char *)pChr; ret_val += (*((unsigned char *)pChr + 1) << 8); break; case(dfLong): { int i; for(i=3; i >= 0; i--) { ret_val += *((unsigned char *)pChr + i) << (8*i); } break; } case(dfString): break; } return ret_val; } int make_bdf_filename(char* name, fnt_fontS* cpe_font_struct, unsigned char* file_buffer) { long l_nameoffset = return_data_value(dfLong, &cpe_font_struct->hdr.fi.dfFace); char* lpChar; if( !g_lpstrFileName ) { if( !l_nameoffset || l_nameoffset > return_data_value(dfLong, &cpe_font_struct->hdr.dfSize) + 1 ) return ERROR_DATA; lpChar = (char*)(file_buffer + l_nameoffset); } else lpChar = g_lpstrFileName; strcpy( name, lpChar ); while( (lpChar = strchr( name, ' ')) ) *lpChar = '-'; /* construct a filename from the font typeface, slant, weight, and size */ if( cpe_font_struct->hdr.fi.dfItalic ) strcat(name, "_i" ); else strcat(name, "_r" ); lpChar = name + strlen( name ); sprintf(lpChar, "%d-%d.bdf", return_data_value(dfShort, &cpe_font_struct->hdr.fi.dfWeight), (g_outputPoints) ? return_data_value(dfShort, &cpe_font_struct->hdr.fi.dfPoints) : return_data_value(dfShort, &cpe_font_struct->hdr.fi.dfPixHeight) ); return 0; } /* parse FONT resource and write .bdf file */ int parse_fnt_data(unsigned char* file_buffer, int length) { fnt_fontS cpe_font_struct; int ic=0, t; memcpy((char *) &cpe_font_struct.hdr, file_buffer, sizeof(fnt_hdrS)); /* check font header */ t = return_data_value(dfShort, &cpe_font_struct.hdr.dfVersion); if( t != 0x300 && t != 0x200) return ERROR_VERSION; t = return_data_value(dfLong, &cpe_font_struct.hdr.dfSize); if( t > length ) return ERROR_SIZE; else { /* set up the charWidth/charOffset structure pairs (dfCharTable)... */ int l_fchar = return_data_value(dfChar, &cpe_font_struct.hdr.fi.dfFirstChar), l_lchar = return_data_value(dfChar, &cpe_font_struct.hdr.fi.dfLastChar); int l_len = l_lchar - l_fchar + 1; int l_ptr = sizeof(fnt_hdrS); /* some fields were introduced for Windows 3.x fonts */ if( return_data_value(dfShort, &cpe_font_struct.hdr.dfVersion) == 0x200 ) l_ptr -= 30; /* malloc size = (# chars) * sizeof(WinCharS) */ if((cpe_font_struct.dfCharTable = (WinCharS *) calloc(sizeof(WinCharS), l_len)) == NULL) return ERROR_MEMORY; /* NOW, convert them all to UNIX (lton) notation... */ for(ic=0; ic < l_len; ic++) { cpe_font_struct.dfCharTable[ic].charWidth = return_data_value(dfShort, &file_buffer[l_ptr]); l_ptr += 2; /* bump by sizeof(short) */ if( return_data_value(dfShort, &cpe_font_struct.hdr.dfVersion) == 0x200) { cpe_font_struct.dfCharTable[ic].charOffset = return_data_value(dfShort, &file_buffer[l_ptr]); l_ptr += 2; /* bump by sizeof(long) */ } else { /* Windows Version 3.0 type font */ cpe_font_struct.dfCharTable[ic].charOffset = return_data_value(dfLong, &file_buffer[l_ptr]); l_ptr += 4; /* bump by sizeof(long) */ } } t = dump_bdf(&cpe_font_struct, file_buffer); free( cpe_font_struct.dfCharTable ); } return t; } int dump_bdf( fnt_fontS* cpe_font_struct, unsigned char* file_buffer) { FILE* fp; int ic; int l_fchar = return_data_value(dfChar, &cpe_font_struct->hdr.fi.dfFirstChar), l_lchar = return_data_value(dfChar, &cpe_font_struct->hdr.fi.dfLastChar); int l_len = l_lchar-l_fchar + 1, l_hgt = return_data_value(dfChar, &cpe_font_struct->hdr.fi.dfPixHeight); int l_ascent = return_data_value(dfShort, &cpe_font_struct->hdr.fi.dfAscent); char l_filename[256]; if( (ic = make_bdf_filename(l_filename, cpe_font_struct, file_buffer)) ) return ic; if((fp = fopen(l_filename, "w")) == (FILE *) 0) { fprintf(stderr, "Couldn't open \"%s\" for output.\n", l_filename); return ERROR_FILE; } ic = dump_bdf_hdr(fp, cpe_font_struct, file_buffer); if (ic) return (ic); /* NOW, convert all chars to UNIX (lton) notation... */ for(ic=0; ic < l_len; ic++) { int rowidx, l_span, /* how many char-cols wide is char? */ l_idx = cpe_font_struct->dfCharTable[ic].charOffset; l_span = (int) (cpe_font_struct->dfCharTable[ic].charWidth-1)/8; fprintf(fp, "STARTCHAR %d \n", ic); fprintf(fp, "ENCODING %d\n", l_fchar); fprintf(fp, "SWIDTH %d %d \n", cpe_font_struct->dfCharTable[ic].charWidth*1000, 0); fprintf(fp, "DWIDTH %d %d \n", cpe_font_struct->dfCharTable[ic].charWidth, 0); fprintf(fp, "BBX %d %d %d %d\n", cpe_font_struct->dfCharTable[ic].charWidth, l_hgt, 0, l_ascent - l_hgt); fprintf(fp, "BITMAP\n"); for(rowidx=0; rowidx < l_hgt; rowidx++) { switch(l_span) { case(0): /* 1-7 pixels wide font */ { fprintf(fp, "%02X\n", (int) file_buffer[l_idx+rowidx]); break; } case(1): /* 8-15 pixels wide font */ { fprintf(fp, "%02X%02X", (int) file_buffer[l_idx+rowidx], file_buffer[l_idx+l_hgt+rowidx]); fprintf(fp, "\n"); break; } case(2): /* 16-23 pixels wide font */ { fprintf(fp, "%02X%02X%02X", file_buffer[l_idx+rowidx], file_buffer[l_idx+l_hgt+rowidx], file_buffer[l_idx+(2*l_hgt)+rowidx]); fprintf(fp, "\n"); break; } case(3): /* 24-31 pixels wide font */ { fprintf(fp, "%02X%02X%02X%02X", file_buffer[l_idx+rowidx], file_buffer[l_idx+l_hgt+rowidx], file_buffer[l_idx+(2*l_hgt)+rowidx], file_buffer[l_idx+(3*l_hgt)+rowidx]); fprintf(fp, "\n"); break; } case(4): /* 32-39 */ { fprintf(fp, "%02X%02X%02X%02X%02X", file_buffer[l_idx+rowidx], file_buffer[l_idx+l_hgt+rowidx], file_buffer[l_idx+(2*l_hgt)+rowidx], file_buffer[l_idx+(3*l_hgt)+rowidx], file_buffer[l_idx+(4*l_hgt)+rowidx]); fprintf(fp, "\n"); break; } default: fclose(fp); unlink(l_filename); return ERROR_DATA; } } fprintf(fp, "ENDCHAR\n"); l_fchar++; /* Go to next one */ } fprintf(fp, "ENDFONT\n"); fclose(fp); return 0; } int dump_bdf_hdr(FILE* fs, fnt_fontS* cpe_font_struct, unsigned char* file_buffer) { int l_fchar = return_data_value(dfChar, &cpe_font_struct->hdr.fi.dfFirstChar), l_lchar = return_data_value(dfChar, &cpe_font_struct->hdr.fi.dfLastChar); int l_len = l_lchar - l_fchar + 1; long l_nameoffset = return_data_value(dfLong, &cpe_font_struct->hdr.fi.dfFace); int l_cellheight = return_data_value(dfShort, &cpe_font_struct->hdr.fi.dfPixHeight); int l_ascent = return_data_value(dfShort, &cpe_font_struct->hdr.fi.dfAscent); fprintf(fs, "STARTFONT 2.1\n"); /* Compose font name */ if( l_nameoffset && l_nameoffset < return_data_value(dfLong, &cpe_font_struct->hdr.dfSize) ) { int dpi, point_size; char* lpFace = (char*)(file_buffer + l_nameoffset), *lpChar; short tmWeight = return_data_value(dfShort, &cpe_font_struct->hdr.fi.dfWeight); while((lpChar = strchr(lpFace, '-')) ) *lpChar = ' '; fprintf(fs, "FONT -windows-%s-", lpFace ); if( tmWeight == 0 ) /* weight */ fputs("medium-", fs); else if( tmWeight <= FW_LIGHT ) fputs("light-", fs); else if( tmWeight <= FW_MEDIUM ) fputs("medium-", fs); else if( tmWeight <= FW_DEMIBOLD ) fputs("demibold-", fs); else if( tmWeight <= FW_BOLD ) fputs("bold-", fs); else fputs("black-", fs); if( cpe_font_struct->hdr.fi.dfItalic ) /* slant */ fputs("i-", fs); else fputs("r-", fs); /* style */ if( (cpe_font_struct->hdr.fi.dfPitchAndFamily & 0xF0) == FF_SWISS ) fputs("normal-sans-", fs); else fputs("normal--", fs); /* still can be -sans */ /* y extents */ point_size = 10 * return_data_value(dfShort, &cpe_font_struct->hdr.fi.dfPoints ); dpi = (l_cellheight * 720) / point_size; fprintf(fs, "%d-%d-%d-%d-",l_cellheight, point_size, return_data_value (dfShort, &cpe_font_struct->hdr.fi.dfHorizRes), return_data_value (dfShort, &cpe_font_struct->hdr.fi.dfVertRes)); /* spacing */ if( return_data_value(dfShort, &cpe_font_struct->hdr.fi.dfPixWidth) ) fputs("c-", fs); else fputs("p-", fs); /* average width */ fprintf( fs, "%d-", 10 * return_data_value(dfShort, &cpe_font_struct->hdr.fi.dfAvgWidth) ); /* charset */ if( g_lpstrCharSet ) fprintf(fs, "%s\n", g_lpstrCharSet); else switch( cpe_font_struct->hdr.fi.dfCharSet ) { /* Microsoft just had to invent its own charsets! */ case ANSI_CHARSET: fputs("microsoft-cp1252\n", fs); break; case GREEK_CHARSET: fputs("microsoft-cp1253\n", fs); break; case TURKISH_CHARSET: fputs("microsoft-cp1254\n", fs); break; case HEBREW_CHARSET: fputs("microsoft-cp1255\n", fs); break; case ARABIC_CHARSET: fputs("microsoft-cp1256\n", fs); break; case BALTIC_CHARSET: fputs("microsoft-cp1257\n", fs); break; case RUSSIAN_CHARSET: fputs("microsoft-cp1251\n", fs); break; case EE_CHARSET: fputs("microsoft-cp1250\n", fs); break; case SYMBOL_CHARSET: fputs("microsoft-symbol\n", fs); break; case SHIFTJIS_CHARSET: fputs("jisx0208.1983-0\n", fs); break; case DEFAULT_CHARSET: fputs("iso8859-1\n", fs); break; default: case OEM_CHARSET: fputs("Undefined charset, use -c option.\n", stderr); return ERROR_DATA; } } else return ERROR_DATA; fprintf(fs, "SIZE %d %d %d\n", return_data_value(dfShort, &cpe_font_struct->hdr.fi.dfPoints ), return_data_value(dfShort, &cpe_font_struct->hdr.fi.dfHorizRes), return_data_value(dfShort, &cpe_font_struct->hdr.fi.dfVertRes)); /* dfVertRes[2] */ fprintf(fs, "FONTBOUNDINGBOX %d %d %d %d\n", return_data_value(dfShort, &cpe_font_struct->hdr.fi.dfMaxWidth), return_data_value(dfChar, &cpe_font_struct->hdr.fi.dfPixHeight), 0, l_ascent - l_cellheight ); fprintf(fs, "STARTPROPERTIES 4\n"); fprintf(fs, "FONT_ASCENT %d\n", l_ascent ); /* dfAscent[2] */ fprintf(fs, "FONT_DESCENT %d\n", l_cellheight - l_ascent ); fprintf(fs, "CAP_HEIGHT %d\n", l_ascent - return_data_value(dfShort, &cpe_font_struct->hdr.fi.dfInternalLeading)); fprintf(fs, "DEFAULT_CHAR %d\n", return_data_value(dfShort, &cpe_font_struct->hdr.fi.dfDefaultChar)); fprintf(fs, "ENDPROPERTIES\n"); fprintf(fs, "CHARS %d\n", l_len); return 0; } void parse_options(int argc, char **argv) { int i; switch( argc ) { case 2: g_lpstrInputFile = argv[1]; break; case 3: case 4: case 5: case 6: case 7: case 8: for( i = 1; i < argc - 1; i++ ) { if( argv[i][0] != '-' || strlen(argv[i]) != 2 ) break; if( argv[i][1] == 'c' ) g_lpstrCharSet = argv[i+1]; else if( argv[i][1] == 'f' ) g_lpstrFileName = argv[i+1]; else if( argv[i][1] == 't' ) { g_outputPoints = 1; continue; } else usage(); i++; } if( i == argc - 1 ) { g_lpstrInputFile = argv[i]; break; } default: usage(); } } /* read file data and return file type */ int get_resource_table(int fd, unsigned char** lpdata, int fsize) { IMAGE_DOS_HEADER mz_header; IMAGE_OS2_HEADER ne_header; long s, offset, size; int retval; lseek( fd, 0, SEEK_SET ); if( read(fd, &mz_header, sizeof(mz_header)) != sizeof(mz_header) ) return FILE_ERROR; s = return_data_value(dfShort, &mz_header.e_magic); if( s == IMAGE_DOS_SIGNATURE) /* looks like .dll file so far... */ { s = return_data_value(dfShort, &mz_header.e_lfanew); lseek( fd, s, SEEK_SET ); if( read(fd, &ne_header, sizeof(ne_header)) != sizeof(ne_header) ) return FILE_ERROR; s = return_data_value(dfShort, &ne_header.ne_magic); if( s == IMAGE_NT_SIGNATURE) { fprintf( stderr, "Do not know how to handle 32-bit Windows DLLs.\n"); return FILE_ERROR; } else if ( s != IMAGE_OS2_SIGNATURE) return FILE_ERROR; s = return_data_value(dfShort, &ne_header.ne_rsrctab); size = return_data_value(dfShort, &ne_header.ne_restab); if( size > fsize ) return FILE_ERROR; size -= s; offset = s + return_data_value(dfShort, &mz_header.e_lfanew); if( size <= sizeof(NE_TYPEINFO) ) return FILE_ERROR; retval = FILE_DLL; } else if( s == 0x300 || s == 0x200 ) /* maybe .fnt ? */ { size = return_data_value(dfLong, &((fnt_hdrS *)&mz_header)->dfSize); if( size != fsize ) return FILE_ERROR; offset = 0; retval = FILE_FNT; } else return FILE_ERROR; *lpdata = (unsigned char*)malloc(size); if( *lpdata ) { lseek( fd, offset, SEEK_SET ); if( read(fd, *lpdata, size) != size ) { free( *lpdata ); *lpdata = NULL; } } return retval; } /* entry point */ int main(int argc, char **argv) { unsigned char* lpdata = NULL; int fd; parse_options( argc, argv); if( (fd = open( g_lpstrInputFile, O_RDONLY)) ) { int i; struct stat file_stat; fstat( fd, &file_stat); i = get_resource_table( fd, &lpdata, file_stat.st_size ); switch(i) { case FILE_DLL: if( lpdata ) { int j, count = 0; NE_TYPEINFO* pTInfo = (NE_TYPEINFO*)(lpdata + 2); NE_NAMEINFO* pFontStorage = NULL; while( (i = return_data_value(dfShort, &pTInfo->type_id)) ) { j = return_data_value(dfShort, &pTInfo->count); if( i == NE_RSCTYPE_FONT ) { count = j; pFontStorage = (NE_NAMEINFO*)(pTInfo + 1); break; /* found one */ } pTInfo = (NE_TYPEINFO *)((char*)(pTInfo+1) + j*sizeof(NE_NAMEINFO)); } if( pFontStorage && count ) { unsigned short size_shift = return_data_value(dfShort, lpdata); unsigned char* lpfont = NULL; unsigned offset; unsigned length; for( j = 0; j < count; j++, pFontStorage++ ) { length = return_data_value(dfShort, &pFontStorage->length) << size_shift; offset = return_data_value(dfShort, &pFontStorage->offset) << size_shift; if( !(lpfont = (unsigned char*) realloc( lpfont, length )) ) { fprintf(stderr, errorMemory ); exit(1); } lseek( fd, offset, SEEK_SET ); if( read(fd, lpfont, length) != length ) { fprintf(stderr, errorDLLRead ); exit(1); } if( (i = parse_fnt_data( lpfont, length )) ) { fprintf(stderr, "%s%d\n", errorFontData, i ); exit(1); } } free(lpfont); free(lpdata); exit(0); } else { fprintf(stderr, errorEmpty ); exit(1); } free( lpdata ); } else { fprintf(stderr, errorDLLRead); exit(1); } break; case FILE_FNT: if( lpdata ) { if( (i = parse_fnt_data( lpdata, file_stat.st_size )) ) { fprintf(stderr, "%s%d\n", errorFontData, i ); exit(1); } free( lpdata ); } else { fprintf(stderr, errorFNTRead); exit(1); } break; case FILE_ERROR: fprintf(stderr, errorFile ); exit(1); } close(fd); exit(0); } else { fprintf(stderr, errorOpenFile ); exit(1); } }