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