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fnt2bdf.c
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fnt2bdf.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
*
* Modified for converting the Dina font
* Copyright 2013 Joergen Ibsen
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#ifdef _WIN32
# include <windows.h>
#else
# include "config.h"
# include "wine/port.h"
#endif
#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>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#include <fcntl.h>
#ifdef HAVE_IO_H
# include <io.h>
#endif
#ifndef _WIN32
# include "windef.h"
# include "wingdi.h"
#endif
enum data_types { dfChar, dfShort, dfLong, dfString };
#define ERROR_DATA 1
#define ERROR_VERSION 2
#define ERROR_SIZE 3
#define ERROR_MEMORY 4
#define ERROR_FILE 5
#include "pshpack1.h"
typedef struct {
INT16 dfType;
INT16 dfPoints;
INT16 dfVertRes;
INT16 dfHorizRes;
INT16 dfAscent;
INT16 dfInternalLeading;
INT16 dfExternalLeading;
BYTE dfItalic;
BYTE dfUnderline;
BYTE dfStrikeOut;
INT16 dfWeight;
BYTE dfCharSet;
INT16 dfPixWidth;
INT16 dfPixHeight;
BYTE dfPitchAndFamily;
INT16 dfAvgWidth;
INT16 dfMaxWidth;
BYTE dfFirstChar;
BYTE dfLastChar;
BYTE dfDefaultChar;
BYTE dfBreakChar;
INT16 dfWidthBytes;
LONG dfDevice;
LONG dfFace;
LONG dfBitsPointer;
LONG dfBitsOffset;
BYTE dfReserved;
LONG dfFlags;
INT16 dfAspace;
INT16 dfBspace;
INT16 dfCspace;
LONG dfColorPointer;
LONG dfReserved1[4];
} FONTINFO16;
typedef struct {
WORD offset;
WORD length;
WORD flags;
WORD id;
WORD handle;
WORD usage;
} NE_NAMEINFO;
typedef struct {
WORD type_id;
WORD count;
DWORD resloader;
} NE_TYPEINFO;
#define NE_FFLAGS_SINGLEDATA 0x0001
#define NE_FFLAGS_MULTIPLEDATA 0x0002
#define NE_FFLAGS_WIN32 0x0010
#define NE_FFLAGS_FRAMEBUF 0x0100
#define NE_FFLAGS_CONSOLE 0x0200
#define NE_FFLAGS_GUI 0x0300
#define NE_FFLAGS_SELFLOAD 0x0800
#define NE_FFLAGS_LINKERROR 0x2000
#define NE_FFLAGS_CALLWEP 0x4000
#define NE_FFLAGS_LIBMODULE 0x8000
#define NE_OSFLAGS_WINDOWS 0x02
#define NE_RSCTYPE_FONTDIR 0x8007
#define NE_RSCTYPE_FONT 0x8008
#define NE_RSCTYPE_SCALABLE_FONTPATH 0x80cc
#define NE_SEGFLAGS_DATA 0x0001
#define NE_SEGFLAGS_ALLOCATED 0x0002
#define NE_SEGFLAGS_LOADED 0x0004
#define NE_SEGFLAGS_ITERATED 0x0008
#define NE_SEGFLAGS_MOVEABLE 0x0010
#define NE_SEGFLAGS_SHAREABLE 0x0020
#define NE_SEGFLAGS_PRELOAD 0x0040
#define NE_SEGFLAGS_EXECUTEONLY 0x0080
#define NE_SEGFLAGS_READONLY 0x0080
#define NE_SEGFLAGS_RELOC_DATA 0x0100
#define NE_SEGFLAGS_SELFLOAD 0x0800
#define NE_SEGFLAGS_DISCARDABLE 0x1000
#define NE_SEGFLAGS_32BIT 0x2000
typedef struct tagFontHeader {
SHORT dfVersion; /* Version */
LONG dfSize; /* Total File Size */
char dfCopyright[60]; /* Copyright notice */
FONTINFO16 fi; /* FONTINFO structure */
} fnt_hdrS;
typedef struct WinCharStruct {
unsigned int charWidth;
long charOffset;
} WinCharS;
typedef struct fntFontStruct {
fnt_hdrS hdr;
WinCharS *dfCharTable;
unsigned char *dfDeviceP;
unsigned char *dfFaceP;
unsigned char *dfBitsPointerP;
unsigned char *dfBitsOffsetP;
short *dfColorTableP;
} fnt_fontS;
#include "poppack.h"
#define FILE_ERROR 0
#define FILE_DLL 1
#define FILE_FNT 2
/* global options */
static int dump_bdf(fnt_fontS *cpe_font_struct, unsigned char *file_buffer);
static int dump_bdf_hdr(FILE *fs, fnt_fontS *cpe_font_struct, unsigned char *file_buffer);
static char *g_lpstrFileName = NULL;
static char *g_lpstrCharSet = NULL;
static char *g_lpstrInputFile = NULL;
static int g_outputPoints = 0;
/* info */
static void usage(void)
{
printf("Usage: fnt2bdf [-t] [-c charset] [-f 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 */
static 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;
}
static 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 */
static 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(dfShort, &cpe_font_struct.hdr.fi.dfType);
if (t & 1) {
fprintf(stderr, "Vector fonts not supported\n");
return ERROR_DATA;
}
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 = 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(short) */
}
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;
}
static 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")) == NULL) {
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) {
fclose(fp);
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);
/* Since dwith = swidth * (point_size / 1000) * (resolution_x / 72),
we can approximate swidth using this computation */
fprintf(fp, "SWIDTH %d %d\n",
(cpe_font_struct->dfCharTable[ic].charWidth * 1000 * 72) /
((unsigned int) cpe_font_struct->hdr.fi.dfPoints * cpe_font_struct->hdr.fi.dfHorizRes),
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;
}
static 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);
int point_size = 10 * return_data_value(dfShort, &cpe_font_struct->hdr.fi.dfPoints);
char *lpFace = (char *) (file_buffer + l_nameoffset);
short tmWeight = return_data_value(dfShort, &cpe_font_struct->hdr.fi.dfWeight);
fprintf(fs, "STARTFONT 2.1\n");
/* Compose font name */
if (l_nameoffset &&
l_nameoffset < return_data_value(dfLong, &cpe_font_struct->hdr.dfSize)) {
char *lpChar;
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 */
fprintf(fs, "%d-%d-%d-%d-", l_cellheight -
return_data_value(dfShort, &cpe_font_struct->hdr.fi.dfInternalLeading),
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 EASTEUROPE_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 16\n");
fprintf(fs, "FACE_NAME \"%s\"\n", lpFace);
fprintf(fs, "FAMILY_NAME \"%s\"\n", lpFace);
fputs("WEIGHT_NAME \"", fs);
if (tmWeight == 0) {
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);
}
fputs("\"\n", fs);
fprintf(fs, "SLANT \"%c\"\n", cpe_font_struct->hdr.fi.dfItalic ? 'I' : 'R');
fprintf(fs, "PIXEL_SIZE %d\n", l_cellheight -
return_data_value(dfShort, &cpe_font_struct->hdr.fi.dfInternalLeading));
fprintf(fs, "POINT_SIZE %d\n", point_size);
fprintf(fs, "RESOLUTION_X %d\n", return_data_value(dfShort, &cpe_font_struct->hdr.fi.dfHorizRes));
fprintf(fs, "RESOLUTION_Y %d\n", return_data_value(dfShort, &cpe_font_struct->hdr.fi.dfVertRes));
if (return_data_value(dfShort, &cpe_font_struct->hdr.fi.dfPixWidth)) {
fprintf(fs, "SPACING \"C\"\n");
}
else {
fprintf(fs, "SPACING \"P\"\n");
}
/* these are hardcoded, since they do not corespond to the actual encoding */
fputs("CHARSET_REGISTRY \"ISO8859\"\n", fs);
fputs("CHARSET_ENCODING \"1\"\n", fs);
fprintf(fs, "FONT_ASCENT %d\n", l_ascent);
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(dfChar, &cpe_font_struct->hdr.fi.dfDefaultChar));
{
char *p = cpe_font_struct->hdr.dfCopyright;
size_t i;
/* strip trailing spaces */
for (i = strlen(p); i && p[i - 1] == ' '; --i) {
p[i - 1] = '\0';
}
}
fprintf(fs, "COPYRIGHT \"%s\"\n", cpe_font_struct->hdr.dfCopyright);
fprintf(fs, "ENDPROPERTIES\n");
fprintf(fs, "CHARS %d\n", l_len);
return 0;
}
static 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 */
static 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 = 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 | O_BINARY)) != -1) {
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;
int 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 = realloc(lpfont, length))) {
fprintf(stderr, "Memory allocation error.\n");
exit(1);
}
lseek(fd, offset, SEEK_SET);
if (read(fd, lpfont, length) != length) {
fprintf(stderr, "Unable to read Windows DLL.\n");
exit(1);
}
if ((i = parse_fnt_data(lpfont, length))) {
fprintf(stderr, "Unable to parse font data: Error %d\n", i);
exit(1);
}
}
free(lpfont);
free(lpdata);
exit(0);
}
else {
fprintf(stderr, "No fonts found.\n");
exit(1);
}
free(lpdata);
}
else {
fprintf(stderr, "Unable to read Windows DLL.\n");
exit(1);
}
break;
case FILE_FNT:
if (lpdata) {
if ((i = parse_fnt_data(lpdata, file_stat.st_size))) {
fprintf(stderr, "Unable to parse font data: Error %d\n", i);
exit(1);
}
free(lpdata);
}
else {
fprintf(stderr, "Unable to read .FNT file.\n");
exit(1);
}
break;
case FILE_ERROR:
fprintf(stderr, "Corrupt or invalid file.\n");
exit(1);
}
close(fd);
exit(0);
}
else {
fprintf(stderr, "Unable to open '%s'.\n", g_lpstrInputFile);
exit(1);
}
}