tools/fnt2bdf.c

   1 /************************************************
   2  *
   3  * Extract fonts from .fnt or Windows DLL files
   4  * and convert them to the .bdf format.
   5  *
   6  * Copyright 1994-1996 Kevin Carothers and Alex Korobka
   7  *
   8  * This library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2.1 of the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with this library; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  21  */
  22
  23 #include "config.h"
  24 #include "wine/port.h"
  25
  26 #ifdef HAVE_SYS_PARAM_H
  27 # include <sys/param.h>
  28 #endif
  29 #include <sys/types.h>
  30 #include <sys/stat.h>
  31 #include <stdio.h>
  32 #include <stdlib.h>
  33 #include <string.h>
  34 #ifdef HAVE_UNISTD_H
  35 # include <unistd.h>
  36 #endif
  37 #include <fcntl.h>
  38 #ifdef HAVE_IO_H
  39 # include <io.h>
  40 #endif
  41
  42 #include "windef.h"
  43 #include "wingdi.h"
  44
  45 enum data_types {dfChar, dfShort, dfLong, dfString};
  46
  47 #define ERROR_DATA      1
  48 #define ERROR_VERSION   2
  49 #define ERROR_SIZE      3
  50 #define ERROR_MEMORY    4
  51 #define ERROR_FILE      5
  52
  53 #include "pshpack1.h"
  54
  55 typedef struct
  56 {
  57     INT16 dfType;
  58     INT16 dfPoints;
  59     INT16 dfVertRes;
  60     INT16 dfHorizRes;
  61     INT16 dfAscent;
  62     INT16 dfInternalLeading;
  63     INT16 dfExternalLeading;
  64     BYTE  dfItalic;
  65     BYTE  dfUnderline;
  66     BYTE  dfStrikeOut;
  67     INT16 dfWeight;
  68     BYTE  dfCharSet;
  69     INT16 dfPixWidth;
  70     INT16 dfPixHeight;
  71     BYTE  dfPitchAndFamily;
  72     INT16 dfAvgWidth;
  73     INT16 dfMaxWidth;
  74     BYTE  dfFirstChar;
  75     BYTE  dfLastChar;
  76     BYTE  dfDefaultChar;
  77     BYTE  dfBreakChar;
  78     INT16 dfWidthBytes;
  79     LONG  dfDevice;
  80     LONG  dfFace;
  81     LONG  dfBitsPointer;
  82     LONG  dfBitsOffset;
  83     BYTE  dfReserved;
  84     LONG  dfFlags;
  85     INT16 dfAspace;
  86     INT16 dfBspace;
  87     INT16 dfCspace;
  88     LONG  dfColorPointer;
  89     LONG  dfReserved1[4];
  90 } FONTINFO16;
  91
  92 typedef struct
  93 {
  94     WORD  offset;
  95     WORD  length;
  96     WORD  flags;
  97     WORD  id;
  98     WORD  handle;
  99     WORD  usage;
 100 } NE_NAMEINFO;
 101
 102 typedef struct
 103 {
 104     WORD  type_id;
 105     WORD  count;
 106     DWORD resloader;
 107 } NE_TYPEINFO;
 108
 109 #define NE_FFLAGS_SINGLEDATA    0x0001
 110 #define NE_FFLAGS_MULTIPLEDATA  0x0002
 111 #define NE_FFLAGS_WIN32         0x0010
 112 #define NE_FFLAGS_FRAMEBUF      0x0100
 113 #define NE_FFLAGS_CONSOLE       0x0200
 114 #define NE_FFLAGS_GUI           0x0300
 115 #define NE_FFLAGS_SELFLOAD      0x0800
 116 #define NE_FFLAGS_LINKERROR     0x2000
 117 #define NE_FFLAGS_CALLWEP       0x4000
 118 #define NE_FFLAGS_LIBMODULE     0x8000
 119
 120 #define NE_OSFLAGS_WINDOWS      0x02
 121
 122 #define NE_RSCTYPE_FONTDIR            0x8007
 123 #define NE_RSCTYPE_FONT               0x8008
 124 #define NE_RSCTYPE_SCALABLE_FONTPATH  0x80cc
 125
 126 #define NE_SEGFLAGS_DATA        0x0001
 127 #define NE_SEGFLAGS_ALLOCATED   0x0002
 128 #define NE_SEGFLAGS_LOADED      0x0004
 129 #define NE_SEGFLAGS_ITERATED    0x0008
 130 #define NE_SEGFLAGS_MOVEABLE    0x0010
 131 #define NE_SEGFLAGS_SHAREABLE   0x0020
 132 #define NE_SEGFLAGS_PRELOAD     0x0040
 133 #define NE_SEGFLAGS_EXECUTEONLY 0x0080
 134 #define NE_SEGFLAGS_READONLY    0x0080
 135 #define NE_SEGFLAGS_RELOC_DATA  0x0100
 136 #define NE_SEGFLAGS_SELFLOAD    0x0800
 137 #define NE_SEGFLAGS_DISCARDABLE 0x1000
 138 #define NE_SEGFLAGS_32BIT       0x2000
 139
 140 typedef struct tagFontHeader
 141 {
 142     SHORT dfVersion;            /* Version */
 143     LONG dfSize;                /* Total File Size */
 144     char dfCopyright[60];       /* Copyright notice */
 145     FONTINFO16 fi;              /* FONTINFO structure */
 146 } fnt_hdrS;
 147
 148 typedef struct WinCharStruct
 149 {
 150     unsigned int charWidth;
 151     long charOffset;
 152 } WinCharS;
 153
 154 typedef struct fntFontStruct
 155 {
 156     fnt_hdrS            hdr;
 157     WinCharS            *dfCharTable;
 158     unsigned char       *dfDeviceP;
 159     unsigned char       *dfFaceP;
 160     unsigned char       *dfBitsPointerP;
 161     unsigned char       *dfBitsOffsetP;
 162     short               *dfColorTableP;
 163 } fnt_fontS;
 164
 165 #include "poppack.h"
 166
 167 #define FILE_ERROR      0
 168 #define FILE_DLL        1
 169 #define FILE_FNT        2
 170
 171 /* global options */
 172
 173 static int dump_bdf( fnt_fontS* cpe_font_struct, unsigned char* file_buffer);
 174 static int dump_bdf_hdr(FILE* fs, fnt_fontS* cpe_font_struct, unsigned char* file_buffer);
 175
 176 static char* g_lpstrFileName = NULL;
 177 static char* g_lpstrCharSet = NULL;
 178 static char* g_lpstrInputFile = NULL;
 179 static int   g_outputPoints = 0;
 180
 181 /* info */
 182
 183 static void usage(void)
 184 {
 185     printf("Usage: fnt2bdf [-t] [-c charset] [-o basename] [input file]\n");
 186     printf("  -c charset\tcharset name for OEM_CHARSET fonts\n");
 187     printf("  -f basename\tbasic output filename\n");
 188     printf("  -t \t\toutput files by point size instead of pixel height\n");
 189     printf("  input file\tMSWindows .fon, .fnt, .dll, or .exe file.\n");
 190     printf("\nExample:\n  fnt2bdf -c winsys vgasys.fnt\n\n");
 191     exit(-1);
 192 }
 193
 194 /* convert little-endian value to the local format */
 195
 196 static int return_data_value(enum data_types dtype, void * pChr)
 197 {
 198 int   ret_val = 0;
 199
 200     switch(dtype) {
 201         case (dfChar):
 202             ret_val = (int) *(unsigned char *)pChr;
 203             break;
 204
 205         case(dfShort):
 206             ret_val = *(unsigned char *)pChr;
 207             ret_val += (*((unsigned char *)pChr + 1) << 8);
 208             break;
 209
 210         case(dfLong): {
 211             int  i;
 212
 213             for(i=3; i >= 0; i--)  {
 214                 ret_val += *((unsigned char *)pChr + i) << (8*i);
 215                 }
 216             break;
 217             }
 218                 case(dfString):
 219                         break;
 220         }
 221     return ret_val;
 222 }
 223
 224 static int make_bdf_filename(char* name, fnt_fontS* cpe_font_struct, unsigned char* file_buffer)
 225 {
 226 long    l_nameoffset = return_data_value(dfLong, &cpe_font_struct->hdr.fi.dfFace);
 227 char*   lpChar;
 228
 229   if( !g_lpstrFileName )
 230   {
 231     if( !l_nameoffset ||
 232          l_nameoffset > return_data_value(dfLong, &cpe_font_struct->hdr.dfSize) + 1 )
 233          return ERROR_DATA;
 234     lpChar =  (char*)(file_buffer + l_nameoffset);
 235   }
 236     else lpChar = g_lpstrFileName;
 237
 238   strcpy( name, lpChar );
 239
 240   while( (lpChar = strchr( name, ' ')) )
 241          *lpChar = '-';
 242
 243   /* construct a filename from the font typeface, slant, weight, and size */
 244
 245   if( cpe_font_struct->hdr.fi.dfItalic ) strcat(name, "_i" );
 246   else strcat(name, "_r" );
 247
 248   lpChar = name + strlen( name );
 249   sprintf(lpChar, "%d-%d.bdf", return_data_value(dfShort, &cpe_font_struct->hdr.fi.dfWeight),
 250           (g_outputPoints) ? return_data_value(dfShort, &cpe_font_struct->hdr.fi.dfPoints)
 251                            : return_data_value(dfShort, &cpe_font_struct->hdr.fi.dfPixHeight) );
 252   return 0;
 253 }
 254
 255 /* parse FONT resource and write .bdf file */
 256
 257 static int parse_fnt_data(unsigned char* file_buffer, int length)
 258 {
 259   fnt_fontS     cpe_font_struct;
 260   int           ic=0, t;
 261
 262   memcpy((char *) &cpe_font_struct.hdr, file_buffer, sizeof(fnt_hdrS));
 263
 264   /* check font header */
 265
 266   t = return_data_value(dfShort, &cpe_font_struct.hdr.dfVersion);
 267   if( t != 0x300 && t != 0x200) return ERROR_VERSION;
 268
 269   t = return_data_value(dfShort, &cpe_font_struct.hdr.fi.dfType);
 270   if (t & 1)
 271   {
 272     fprintf(stderr, "Vector fonts not supported\n");
 273     return ERROR_DATA;
 274   }
 275
 276   t = return_data_value(dfLong, &cpe_font_struct.hdr.dfSize);
 277   if( t > length ) return ERROR_SIZE;
 278   else
 279   {
 280     /* set up the charWidth/charOffset  structure pairs (dfCharTable)... */
 281
 282     int l_fchar = return_data_value(dfChar, &cpe_font_struct.hdr.fi.dfFirstChar),
 283         l_lchar = return_data_value(dfChar, &cpe_font_struct.hdr.fi.dfLastChar);
 284     int l_len   = l_lchar - l_fchar + 1;
 285     int l_ptr = sizeof(fnt_hdrS);
 286
 287     /* some fields were introduced for Windows 3.x fonts */
 288     if( return_data_value(dfShort, &cpe_font_struct.hdr.dfVersion) == 0x200 )
 289         l_ptr -= 30;
 290
 291     /* malloc size = (# chars) * sizeof(WinCharS) */
 292
 293     if((cpe_font_struct.dfCharTable = calloc(sizeof(WinCharS), l_len)) == NULL)
 294         return ERROR_MEMORY;
 295
 296     /* NOW, convert them all to UNIX (lton) notation... */
 297
 298     for(ic=0; ic < l_len; ic++) {
 299         cpe_font_struct.dfCharTable[ic].charWidth = return_data_value(dfShort, &file_buffer[l_ptr]);
 300         l_ptr += 2;     /* bump by sizeof(short) */
 301
 302
 303         if( return_data_value(dfShort, &cpe_font_struct.hdr.dfVersion) == 0x200) {
 304             cpe_font_struct.dfCharTable[ic].charOffset =
 305                         return_data_value(dfShort, &file_buffer[l_ptr]);
 306             l_ptr += 2; /* bump by sizeof(short) */
 307             }
 308         else {  /*  Windows Version 3.0 type font */
 309             cpe_font_struct.dfCharTable[ic].charOffset =
 310                         return_data_value(dfLong, &file_buffer[l_ptr]);
 311             l_ptr += 4; /* bump by sizeof(long) */
 312             }
 313         }
 314     t = dump_bdf(&cpe_font_struct, file_buffer);
 315     free( cpe_font_struct.dfCharTable );
 316   }
 317   return t;
 318 }
 319
 320 static int dump_bdf( fnt_fontS* cpe_font_struct, unsigned char* file_buffer)
 321 {
 322   FILE*   fp;
 323   int     ic;
 324   int     l_fchar = return_data_value(dfChar, &cpe_font_struct->hdr.fi.dfFirstChar),
 325           l_lchar = return_data_value(dfChar, &cpe_font_struct->hdr.fi.dfLastChar);
 326
 327   int     l_len = l_lchar-l_fchar + 1,
 328           l_hgt = return_data_value(dfChar, &cpe_font_struct->hdr.fi.dfPixHeight);
 329   int     l_ascent = return_data_value(dfShort, &cpe_font_struct->hdr.fi.dfAscent);
 330   char    l_filename[256];
 331
 332     if( (ic = make_bdf_filename(l_filename, cpe_font_struct, file_buffer)) )
 333         return ic;
 334
 335     if((fp = fopen(l_filename, "w")) == NULL)
 336     {
 337       fprintf(stderr, "Couldn't open \"%s\" for output.\n", l_filename);
 338       return ERROR_FILE;
 339     }
 340
 341     ic = dump_bdf_hdr(fp, cpe_font_struct, file_buffer);
 342     if (ic) {
 343       fclose(fp);
 344       return (ic);
 345     }
 346
 347     /* NOW, convert all chars to UNIX (lton) notation... */
 348
 349     for(ic=0; ic < l_len; ic++) {
 350         int rowidx, l_span,             /* how many char-cols wide is char? */
 351             l_idx = cpe_font_struct->dfCharTable[ic].charOffset;
 352
 353         l_span = (int) (cpe_font_struct->dfCharTable[ic].charWidth-1)/8;
 354
 355         fprintf(fp, "STARTCHAR %d\n", ic);
 356         fprintf(fp, "ENCODING %d\n",   l_fchar);
 357         fprintf(fp, "SWIDTH    %d    %d\n",
 358                 cpe_font_struct->dfCharTable[ic].charWidth*1000,
 359                 0);
 360
 361         fprintf(fp, "DWIDTH    %d    %d\n",
 362                 cpe_font_struct->dfCharTable[ic].charWidth, 0);
 363
 364         fprintf(fp, "BBX  %d  %d  %d   %d\n",
 365                 cpe_font_struct->dfCharTable[ic].charWidth, l_hgt, 0,
 366                 l_ascent - l_hgt);
 367
 368         fprintf(fp, "BITMAP\n");
 369         for(rowidx=0; rowidx < l_hgt; rowidx++) {
 370             switch(l_span) {
 371                 case(0):        /* 1-7 pixels wide font */
 372                     {
 373                     fprintf(fp, "%02X\n", (int) file_buffer[l_idx+rowidx]);
 374                     break;
 375                     }
 376
 377                 case(1):        /* 8-15 pixels wide font */
 378                     {
 379                     fprintf(fp, "%02X%02X",
 380                         (int) file_buffer[l_idx+rowidx], file_buffer[l_idx+l_hgt+rowidx]);
 381                     fprintf(fp, "\n");
 382                     break;
 383                     }
 384
 385                 case(2):        /* 16-23 pixels wide font */
 386                     {
 387                     fprintf(fp, "%02X%02X%02X",
 388                         file_buffer[l_idx+rowidx],
 389                         file_buffer[l_idx+l_hgt+rowidx],
 390                         file_buffer[l_idx+(2*l_hgt)+rowidx]);
 391                     fprintf(fp, "\n");
 392                     break;
 393                     }
 394
 395                 case(3):        /* 24-31 pixels wide font */
 396                     {
 397                     fprintf(fp, "%02X%02X%02X%02X",
 398                         file_buffer[l_idx+rowidx],
 399                         file_buffer[l_idx+l_hgt+rowidx],
 400                         file_buffer[l_idx+(2*l_hgt)+rowidx],
 401                         file_buffer[l_idx+(3*l_hgt)+rowidx]);
 402                     fprintf(fp, "\n");
 403                     break;
 404                     }
 405                 case(4):        /* 32-39 */
 406                     {
 407                     fprintf(fp, "%02X%02X%02X%02X%02X",
 408                         file_buffer[l_idx+rowidx],
 409                         file_buffer[l_idx+l_hgt+rowidx],
 410                         file_buffer[l_idx+(2*l_hgt)+rowidx],
 411                         file_buffer[l_idx+(3*l_hgt)+rowidx],
 412                         file_buffer[l_idx+(4*l_hgt)+rowidx]);
 413                     fprintf(fp, "\n");
 414                     break;
 415                     }
 416                 default:
 417                     fclose(fp);
 418                     unlink(l_filename);
 419                     return ERROR_DATA;
 420                 }
 421             }
 422         fprintf(fp, "ENDCHAR\n");
 423
 424         l_fchar++;      /* Go to next one */
 425         }
 426 fprintf(fp, "ENDFONT\n");
 427 fclose(fp);
 428 return 0;
 429 }
 430
 431
 432 static int dump_bdf_hdr(FILE* fs, fnt_fontS* cpe_font_struct, unsigned char* file_buffer)
 433 {
 434 int     l_fchar = return_data_value(dfChar, &cpe_font_struct->hdr.fi.dfFirstChar),
 435         l_lchar = return_data_value(dfChar, &cpe_font_struct->hdr.fi.dfLastChar);
 436 int     l_len = l_lchar - l_fchar + 1;
 437 long    l_nameoffset = return_data_value(dfLong, &cpe_font_struct->hdr.fi.dfFace);
 438 int     l_cellheight = return_data_value(dfShort, &cpe_font_struct->hdr.fi.dfPixHeight);
 439 int     l_ascent = return_data_value(dfShort, &cpe_font_struct->hdr.fi.dfAscent);
 440
 441     fprintf(fs, "STARTFONT   2.1\n");
 442
 443     /* Compose font name */
 444
 445     if( l_nameoffset &&
 446         l_nameoffset < return_data_value(dfLong, &cpe_font_struct->hdr.dfSize) )
 447     {
 448       int     point_size;
 449       char*   lpFace = (char*)(file_buffer + l_nameoffset), *lpChar;
 450       short   tmWeight = return_data_value(dfShort, &cpe_font_struct->hdr.fi.dfWeight);
 451
 452       while((lpChar = strchr(lpFace, '-')) )
 453             *lpChar = ' ';
 454
 455       fprintf(fs, "FONT -windows-%s-", lpFace );
 456
 457       if( tmWeight == 0 )                       /* weight */
 458           fputs("medium-", fs);
 459       else if( tmWeight <= FW_LIGHT )
 460           fputs("light-", fs);
 461       else if( tmWeight <= FW_MEDIUM )
 462           fputs("medium-", fs);
 463       else if( tmWeight <= FW_DEMIBOLD )
 464           fputs("demibold-", fs);
 465       else if( tmWeight <= FW_BOLD )
 466           fputs("bold-", fs);
 467       else fputs("black-", fs);
 468
 469       if( cpe_font_struct->hdr.fi.dfItalic )    /* slant */
 470           fputs("i-", fs);
 471       else fputs("r-", fs);
 472
 473       /* style */
 474
 475       if( (cpe_font_struct->hdr.fi.dfPitchAndFamily & 0xF0) == FF_SWISS )
 476           fputs("normal-sans-", fs);
 477       else fputs("normal--", fs);       /* still can be -sans */
 478
 479       /* y extents */
 480
 481       point_size = 10 * return_data_value(dfShort, &cpe_font_struct->hdr.fi.dfPoints );
 482
 483       fprintf(fs, "%d-%d-%d-%d-",l_cellheight, point_size,
 484             return_data_value (dfShort, &cpe_font_struct->hdr.fi.dfHorizRes),
 485             return_data_value (dfShort, &cpe_font_struct->hdr.fi.dfVertRes));
 486
 487       /* spacing */
 488
 489       if( return_data_value(dfShort, &cpe_font_struct->hdr.fi.dfPixWidth) ) fputs("c-", fs);
 490       else fputs("p-", fs);
 491
 492       /* average width */
 493
 494       fprintf( fs, "%d-", 10 * return_data_value(dfShort, &cpe_font_struct->hdr.fi.dfAvgWidth) );
 495
 496       /* charset */
 497
 498      if( g_lpstrCharSet ) fprintf(fs, "%s\n", g_lpstrCharSet);
 499      else
 500       switch( cpe_font_struct->hdr.fi.dfCharSet )
 501       {
 502         /* Microsoft just had to invent its own charsets! */
 503
 504         case ANSI_CHARSET:      fputs("microsoft-cp1252\n", fs); break;
 505         case GREEK_CHARSET:     fputs("microsoft-cp1253\n", fs); break;
 506         case TURKISH_CHARSET:   fputs("microsoft-cp1254\n", fs); break;
 507         case HEBREW_CHARSET:    fputs("microsoft-cp1255\n", fs); break;
 508         case ARABIC_CHARSET:    fputs("microsoft-cp1256\n", fs); break;
 509         case BALTIC_CHARSET:    fputs("microsoft-cp1257\n", fs); break;
 510         case RUSSIAN_CHARSET:   fputs("microsoft-cp1251\n", fs); break;
 511         case EE_CHARSET:        fputs("microsoft-cp1250\n", fs); break;
 512         case SYMBOL_CHARSET:    fputs("microsoft-symbol\n", fs); break;
 513         case SHIFTJIS_CHARSET:  fputs("jisx0208.1983-0\n", fs); break;
 514         case DEFAULT_CHARSET:   fputs("iso8859-1\n", fs); break;
 515
 516         default:
 517         case OEM_CHARSET:
 518                     fputs("Undefined charset, use -c option.\n", stderr);
 519                     return ERROR_DATA;
 520       }
 521     }
 522     else return ERROR_DATA;
 523
 524     fprintf(fs, "SIZE  %d  %d   %d\n",
 525         return_data_value(dfShort, &cpe_font_struct->hdr.fi.dfPoints ),
 526         return_data_value(dfShort, &cpe_font_struct->hdr.fi.dfHorizRes),
 527         return_data_value(dfShort, &cpe_font_struct->hdr.fi.dfVertRes));   /* dfVertRes[2] */
 528
 529     fprintf(fs, "FONTBOUNDINGBOX %d  %d  %d  %d\n",
 530         return_data_value(dfShort, &cpe_font_struct->hdr.fi.dfMaxWidth),
 531         return_data_value(dfChar, &cpe_font_struct->hdr.fi.dfPixHeight),
 532         0, l_ascent - l_cellheight );
 533
 534     fprintf(fs, "STARTPROPERTIES  4\n");
 535
 536     fprintf(fs, "FONT_ASCENT %d\n", l_ascent );                       /*  dfAscent[2] */
 537     fprintf(fs, "FONT_DESCENT %d\n", l_cellheight - l_ascent );
 538     fprintf(fs, "CAP_HEIGHT %d\n", l_ascent -
 539                                    return_data_value(dfShort, &cpe_font_struct->hdr.fi.dfInternalLeading));
 540     fprintf(fs, "DEFAULT_CHAR %d\n", return_data_value(dfShort, &cpe_font_struct->hdr.fi.dfDefaultChar));
 541
 542     fprintf(fs, "ENDPROPERTIES\n");
 543
 544     fprintf(fs, "CHARS  %d\n",  l_len);
 545     return 0;
 546 }
 547
 548
 549
 550 static void parse_options(int argc, char **argv)
 551 {
 552   int i;
 553
 554   switch( argc )
 555   {
 556     case 2:
 557          g_lpstrInputFile = argv[1];
 558          break;
 559
 560     case 3:
 561     case 4:
 562     case 5:
 563     case 6:
 564     case 7:
 565     case 8:
 566          for( i = 1; i < argc - 1; i++ )
 567          {
 568            if( argv[i][0] != '-' ||
 569                strlen(argv[i]) != 2 ) break;
 570
 571            if( argv[i][1] == 'c' )
 572                g_lpstrCharSet = argv[i+1];
 573            else
 574            if( argv[i][1] == 'f' )
 575                g_lpstrFileName = argv[i+1];
 576            else
 577            if( argv[i][1] == 't' )
 578            {
 579               g_outputPoints = 1;
 580               continue;
 581            }
 582            else
 583            usage();
 584
 585            i++;
 586          }
 587          if( i == argc - 1 )
 588          {
 589            g_lpstrInputFile = argv[i];
 590            break;
 591          }
 592     default: usage();
 593   }
 594
 595 }
 596
 597 /* read file data and return file type */
 598
 599 static int get_resource_table(int fd, unsigned char** lpdata, int fsize)
 600 {
 601   IMAGE_DOS_HEADER mz_header;
 602   IMAGE_OS2_HEADER ne_header;
 603   long s, offset, size;
 604   int retval;
 605
 606   lseek( fd, 0, SEEK_SET );
 607
 608   if( read(fd, &mz_header, sizeof(mz_header)) != sizeof(mz_header) )
 609       return FILE_ERROR;
 610
 611   s = return_data_value(dfShort, &mz_header.e_magic);
 612
 613   if( s == IMAGE_DOS_SIGNATURE)         /* looks like .dll file so far... */
 614   {
 615     s = return_data_value(dfShort, &mz_header.e_lfanew);
 616     lseek( fd, s, SEEK_SET );
 617
 618     if( read(fd, &ne_header, sizeof(ne_header)) != sizeof(ne_header) )
 619         return FILE_ERROR;
 620
 621     s = return_data_value(dfShort, &ne_header.ne_magic);
 622
 623     if( s == IMAGE_NT_SIGNATURE)
 624     {
 625        fprintf( stderr, "Do not know how to handle 32-bit Windows DLLs.\n");
 626        return FILE_ERROR;
 627     }
 628     else if ( s != IMAGE_OS2_SIGNATURE) return FILE_ERROR;
 629
 630     s = return_data_value(dfShort, &ne_header.ne_rsrctab);
 631     size = return_data_value(dfShort, &ne_header.ne_restab);
 632
 633     if( size > fsize ) return FILE_ERROR;
 634
 635     size -= s;
 636     offset = s + return_data_value(dfShort, &mz_header.e_lfanew);
 637
 638     if( size <= sizeof(NE_TYPEINFO) ) return FILE_ERROR;
 639     retval = FILE_DLL;
 640   }
 641   else if( s == 0x300 || s == 0x200 )           /* maybe .fnt ? */
 642   {
 643     size = return_data_value(dfLong, &((fnt_hdrS *)&mz_header)->dfSize);
 644
 645     if( size != fsize ) return FILE_ERROR;
 646     offset  = 0;
 647     retval = FILE_FNT;
 648   }
 649   else return FILE_ERROR;
 650
 651   *lpdata = malloc(size);
 652
 653   if( *lpdata )
 654   {
 655     lseek( fd, offset, SEEK_SET );
 656     if( read(fd, *lpdata, size) != size )
 657            { free( *lpdata ); *lpdata = NULL; }
 658   }
 659   return retval;
 660 }
 661
 662
 663 /* entry point */
 664
 665 int main(int argc, char **argv)
 666 {
 667   unsigned char* lpdata = NULL;
 668   int            fd;
 669
 670   parse_options( argc, argv);
 671
 672   if( (fd = open( g_lpstrInputFile, O_RDONLY | O_BINARY)) != -1 )
 673   {
 674     int    i;
 675     struct stat file_stat;
 676
 677     fstat( fd, &file_stat);
 678     i = get_resource_table( fd, &lpdata, file_stat.st_size );
 679
 680     switch(i)
 681     {
 682         case FILE_DLL:
 683              if( lpdata )
 684              {
 685                int          j, count = 0;
 686                NE_TYPEINFO* pTInfo = (NE_TYPEINFO*)(lpdata + 2);
 687                NE_NAMEINFO* pFontStorage = NULL;
 688
 689                while( (i = return_data_value(dfShort, &pTInfo->type_id)) )
 690                {
 691                   j = return_data_value(dfShort, &pTInfo->count);
 692                   if( i == NE_RSCTYPE_FONT )
 693                   {
 694                     count = j;
 695                     pFontStorage = (NE_NAMEINFO*)(pTInfo + 1);
 696                     break; /* found one */
 697                   }
 698
 699                   pTInfo = (NE_TYPEINFO *)((char*)(pTInfo+1) + j*sizeof(NE_NAMEINFO));
 700                }
 701                if( pFontStorage && count )
 702                {
 703                  unsigned short         size_shift = return_data_value(dfShort, lpdata);
 704                  unsigned char*         lpfont = NULL;
 705                  unsigned               offset;
 706                  int                    length;
 707
 708                  for( j = 0; j < count; j++, pFontStorage++ )
 709                  {
 710                     length = return_data_value(dfShort, &pFontStorage->length) << size_shift;
 711                     offset = return_data_value(dfShort, &pFontStorage->offset) << size_shift;
 712
 713                     if( !(lpfont = realloc( lpfont, length )) )
 714                     {
 715                         fprintf(stderr, "Memory allocation error.\n" );
 716                         exit(1);
 717                     }
 718
 719                     lseek( fd, offset, SEEK_SET );
 720                     if( read(fd, lpfont, length) != length )
 721                     {
 722                         fprintf(stderr, "Unable to read Windows DLL.\n" );
 723                         exit(1);
 724                     }
 725
 726                     if( (i = parse_fnt_data( lpfont, length )) )
 727                     {
 728                         fprintf(stderr, "Unable to parse font data: Error %d\n", i );
 729                         exit(1);
 730                     }
 731                  }
 732                  free(lpfont); free(lpdata);
 733                  exit(0);
 734                }
 735                else
 736                {
 737                  fprintf(stderr, "No fonts found.\n" );
 738                  exit(1);
 739                }
 740                free( lpdata );
 741              }
 742              else
 743              {
 744                fprintf(stderr, "Unable to read Windows DLL.\n" );
 745                exit(1);
 746              }
 747              break;
 748
 749         case FILE_FNT:
 750              if( lpdata )
 751              {
 752                if( (i = parse_fnt_data( lpdata, file_stat.st_size )) )
 753                {
 754                    fprintf(stderr, "Unable to parse font data: Error %d\n", i );
 755                    exit(1);
 756                }
 757                free( lpdata );
 758              }
 759              else
 760              {
 761                fprintf(stderr, "Unable to read .FNT file.\n" );
 762                exit(1);
 763              }
 764              break;
 765
 766         case FILE_ERROR:
 767              fprintf(stderr, "Corrupt or invalid file.\n" );
 768              exit(1);
 769     }
 770     close(fd);
 771     exit(0);
 772   }
 773   else
 774   {
 775     fprintf(stderr, "Unable to open '%s'.\n", g_lpstrInputFile );
 776     exit(1);
 777   }
 778 }