2 * sfnttofnt. Bitmap only ttf to Window fnt file converter
4 * Copyright 2004 Huw Davies
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 #include "wine/port.h"
31 #ifdef HAVE_FT2BUILD_H
34 #include FT_FREETYPE_H
35 #include FT_SFNT_NAMES_H
36 #include FT_TRUETYPE_TABLES_H
38 #include "wine/unicode.h"
39 #include "wine/wingdi16.h"
58 static void usage(char **argv)
60 fprintf(stderr, "%s foo.ttf ppem enc dpi def_char avg_width\n", argv[0]);
64 static int lookup_charset(int enc)
66 /* FIXME: make winelib app and use TranslateCharsetInfo */
71 return RUSSIAN_CHARSET;
77 return TURKISH_CHARSET;
79 return HEBREW_CHARSET;
81 return ARABIC_CHARSET;
83 return BALTIC_CHARSET;
85 return VIETNAMESE_CHARSET;
105 return SHIFTJIS_CHARSET;
107 return GB2312_CHARSET;
109 return HANGUL_CHARSET;
111 return CHINESEBIG5_CHARSET;
113 fprintf(stderr, "Unknown encoding %d - using OEM_CHARSET\n", enc);
118 static void fill_fontinfo(FT_Face face, int enc, FILE *fp, int dpi, unsigned char def_char, int avg_width)
120 int ascent, il, ppem, descent, width_bytes = 0, space_size, max_width = 0;
123 BYTE left_byte, right_byte, byte;
125 CHAR_TABLE_ENTRY *dfCharTable;
126 int i, x, y, x_off, x_end, first_char;
129 const union cptable *cptable;
130 FT_SfntName sfntname;
132 cptable = wine_cp_get_table(enc);
134 fprintf(stderr, "Can't find codepage %d\n", enc);
138 if(cptable->info.char_size != 1) {
139 /* for double byte charsets we actually want to use cp1252 */
140 cptable = wine_cp_get_table(1252);
142 fprintf(stderr, "Can't find codepage 1252\n");
147 ppem = face->size->metrics.y_ppem;
148 start = sizeof(FNT_HEADER) + sizeof(FONTINFO16);
150 if(FT_Load_Char(face, 0xc5, FT_LOAD_DEFAULT)) {
151 fprintf(stderr, "Can't find Aring\n");
154 ascent = face->glyph->metrics.height >> 6;
155 descent = ppem - ascent;
156 if(FT_Load_Char(face, 'M', FT_LOAD_DEFAULT)) {
157 fprintf(stderr, "Can't find M\n");
160 il = ascent - (face->glyph->metrics.height >> 6);
162 /* Hack: Courier has no internal leading, nor do any Chinese fonts */
163 if(!strcmp(face->family_name, "Courier") || enc == 936 || enc == 950)
166 first_char = FT_Get_First_Char(face, &gi);
167 if(first_char == 0xd) /* fontforge's first glyph is 0xd, we'll catch this and skip it */
168 first_char = 32; /* FT_Get_Next_Char for some reason returns too high
169 number in this case */
171 dfCharTable = malloc((255 + 3) * sizeof(*dfCharTable));
172 memset(dfCharTable, 0, (255 + 3) * sizeof(*dfCharTable));
174 memset(&fi, 0, sizeof(fi));
175 fi.dfFirstChar = first_char;
176 fi.dfLastChar = 0xff;
177 start += ((unsigned char)fi.dfLastChar - (unsigned char)fi.dfFirstChar + 3 ) * sizeof(*dfCharTable);
179 num_names = FT_Get_Sfnt_Name_Count(face);
180 for(i = 0; i <num_names; i++) {
181 FT_Get_Sfnt_Name(face, i, &sfntname);
182 if(sfntname.platform_id == 1 && sfntname.encoding_id == 0 &&
183 sfntname.language_id == 0 && sfntname.name_id == 0) {
184 size_t len = min( sfntname.string_len, sizeof(hdr.dfCopyright)-1 );
185 memcpy(hdr.dfCopyright, sfntname.string, len);
186 hdr.dfCopyright[len] = 0;
190 os2 = FT_Get_Sfnt_Table(face, ft_sfnt_os2);
191 for(i = first_char; i < 0x100; i++) {
192 gi = FT_Get_Char_Index(face, cptable->sbcs.cp2uni[i]);
194 fprintf(stderr, "Missing glyph for char %04x\n", cptable->sbcs.cp2uni[i]);
195 if(FT_Load_Char(face, cptable->sbcs.cp2uni[i], FT_LOAD_DEFAULT)) {
196 fprintf(stderr, "error loading char %d - bad news!\n", i);
199 dfCharTable[i].width = face->glyph->metrics.horiAdvance >> 6;
200 dfCharTable[i].offset = start + (width_bytes * ppem);
201 width_bytes += ((face->glyph->metrics.horiAdvance >> 6) + 7) >> 3;
202 if(max_width < (face->glyph->metrics.horiAdvance >> 6))
203 max_width = face->glyph->metrics.horiAdvance >> 6;
206 space_size = (ppem + 3) / 4;
207 dfCharTable[i].width = space_size;
208 dfCharTable[i].offset = start + (width_bytes * ppem);
209 width_bytes += (space_size + 7) >> 3;
211 dfCharTable[++i].width = 0;
212 dfCharTable[i].offset = start + (width_bytes * ppem);
215 fi.dfPoints = ((ppem - il) * 72 + dpi/2) / dpi;
218 fi.dfAscent = ascent;
219 fi.dfInternalLeading = il;
220 fi.dfExternalLeading = 0;
221 fi.dfItalic = (face->style_flags & FT_STYLE_FLAG_ITALIC) ? 1 : 0;
224 fi.dfWeight = os2->usWeightClass;
225 fi.dfCharSet = lookup_charset(enc);
226 fi.dfPixWidth = (face->face_flags & FT_FACE_FLAG_FIXED_WIDTH) ?
228 fi.dfPixHeight = ppem;
229 fi.dfPitchAndFamily = FT_IS_FIXED_WIDTH(face) ? 0 : TMPF_FIXED_PITCH;
230 switch(os2->panose[PAN_FAMILYTYPE_INDEX]) {
231 case PAN_FAMILY_SCRIPT:
232 fi.dfPitchAndFamily |= FF_SCRIPT;
234 case PAN_FAMILY_DECORATIVE:
235 case PAN_FAMILY_PICTORIAL:
236 fi.dfPitchAndFamily |= FF_DECORATIVE;
238 case PAN_FAMILY_TEXT_DISPLAY:
239 if(fi.dfPitchAndFamily == 0) /* fixed */
240 fi.dfPitchAndFamily = FF_MODERN;
242 switch(os2->panose[PAN_SERIFSTYLE_INDEX]) {
243 case PAN_SERIF_NORMAL_SANS:
244 case PAN_SERIF_OBTUSE_SANS:
245 case PAN_SERIF_PERP_SANS:
246 fi.dfPitchAndFamily |= FF_SWISS;
249 fi.dfPitchAndFamily |= FF_ROMAN;
254 fi.dfPitchAndFamily |= FF_DONTCARE;
257 fi.dfAvgWidth = avg_width;
258 fi.dfMaxWidth = max_width;
259 fi.dfDefaultChar = def_char - fi.dfFirstChar;
260 fi.dfBreakChar = ' ' - fi.dfFirstChar;
261 fi.dfWidthBytes = (width_bytes + 1) & ~1;
263 fi.dfFace = start + fi.dfWidthBytes * ppem;
264 fi.dfBitsOffset = start;
265 fi.dfFlags = 0x10; /* DFF_1COLOR */
266 fi.dfFlags |= FT_IS_FIXED_WIDTH(face) ? 1 : 2; /* DFF_FIXED : DFF_PROPORTIONAL */
268 hdr.dfVersion = 0x300;
269 hdr.dfSize = start + fi.dfWidthBytes * ppem + strlen(face->family_name) + 1;
270 fwrite(&hdr, sizeof(hdr), 1, fp);
271 fwrite(&fi, sizeof(fi), 1, fp);
272 fwrite(dfCharTable + fi.dfFirstChar, sizeof(*dfCharTable), ((unsigned char)fi.dfLastChar - (unsigned char)fi.dfFirstChar) + 3, fp);
274 for(i = first_char; i < 0x100; i++) {
275 if(FT_Load_Char(face, cptable->sbcs.cp2uni[i], FT_LOAD_DEFAULT)) {
278 assert(dfCharTable[i].width == face->glyph->metrics.horiAdvance >> 6);
280 for(x = 0; x < ((dfCharTable[i].width + 7) / 8); x++) {
281 for(y = 0; y < ppem; y++) {
282 if(y < ascent - face->glyph->bitmap_top ||
283 y >= face->glyph->bitmap.rows + ascent - face->glyph->bitmap_top) {
287 x_off = face->glyph->bitmap_left / 8;
288 x_end = (face->glyph->bitmap_left + face->glyph->bitmap.width - 1) / 8;
289 if(x < x_off || x > x_end) {
296 left_byte = face->glyph->bitmap.buffer[(y - (ascent - face->glyph->bitmap_top)) * face->glyph->bitmap.pitch + x - x_off - 1];
298 /* On the last non-trival output byte (x == x_end) have we got one or two input bytes */
299 if(x == x_end && (face->glyph->bitmap_left % 8 != 0) && ((face->glyph->bitmap.width % 8 == 0) || (x != (((face->glyph->bitmap.width) & ~0x7) + face->glyph->bitmap_left) / 8)))
302 right_byte = face->glyph->bitmap.buffer[(y - (ascent - face->glyph->bitmap_top)) * face->glyph->bitmap.pitch + x - x_off];
304 byte = (left_byte << (8 - (face->glyph->bitmap_left & 7))) & 0xff;
305 byte |= ((right_byte >> (face->glyph->bitmap_left & 7)) & 0xff);
310 for(x = 0; x < (space_size + 7) / 8; x++) {
311 for(y = 0; y < ppem; y++)
315 if(width_bytes & 1) {
316 for(y = 0; y < ppem; y++)
319 fprintf(fp, "%s", face->family_name);
325 int main(int argc, char **argv)
331 unsigned int def_char;
341 ppem = atoi(argv[2]);
344 def_char = atoi(argv[5]);
345 avg_width = atoi(argv[6]);
347 if(FT_Init_FreeType(&lib)) {
348 fprintf(stderr, "ft init failure\n");
352 if(FT_New_Face(lib, argv[1], 0, &face)) {
353 fprintf(stderr, "Can't open face\n");
358 if(FT_Set_Pixel_Sizes(face, ppem, ppem)) {
359 fprintf(stderr, "Can't set size\n");
364 strcpy(name, face->family_name);
365 /* FIXME: should add a -o option instead */
366 for(cp = name; *cp; cp++)
368 if(*cp == ' ') *cp = '_';
369 else if (*cp >= 'A' && *cp <= 'Z') *cp += 'a' - 'A';
372 sprintf(output, "%s-%d-%d-%d.fnt", name, enc, dpi, ppem);
374 fp = fopen(output, "w");
376 fill_fontinfo(face, enc, fp, dpi, def_char, avg_width);
381 #else /* HAVE_FREETYPE */
383 int main(int argc, char **argv)
385 fprintf( stderr, "%s needs to be built with Freetype support\n", argv[0] );
389 #endif /* HAVE_FREETYPE */