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wine/tools/fnt2bdf.c
Dmitry Timoshkov fef718655d Make fnt2bdf produce correct fonts.
2000-07-25 12:25:40 +00:00

637 lines
17 KiB
C
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/************************************************
*
* Extract fonts from .fnt or Windows DLL files
* and convert them to the .bdf format.
*
* Copyright 1994-1996 Kevin Carothers and Alex Korobka
*
*/
#include "config.h"
#ifdef HAVE_SYS_PARAM_H
# include <sys/param.h>
#endif
#include <sys/types.h>
#include <sys/stat.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <fcntl.h>
#include "fnt2bdf.h"
#include "neexe.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, 10*l_cellheight, 72, 72);
/* point_size, dpi, dpi); */
/* 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",
l_cellheight,
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);
}
}
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