File: | bitmap/bdfread.c |
Location: | line 152, column 26 |
Description: | Array access (from variable 'picture') results in a null pointer dereference |
1 | /************************************************************************ | |||
2 | Copyright 1989 by Digital Equipment Corporation, Maynard, Massachusetts. | |||
3 | ||||
4 | All Rights Reserved | |||
5 | ||||
6 | Permission to use, copy, modify, and distribute this software and its | |||
7 | documentation for any purpose and without fee is hereby granted, | |||
8 | provided that the above copyright notice appear in all copies and that | |||
9 | both that copyright notice and this permission notice appear in | |||
10 | supporting documentation, and that the name of Digital not be | |||
11 | used in advertising or publicity pertaining to distribution of the | |||
12 | software without specific, written prior permission. | |||
13 | ||||
14 | DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING | |||
15 | ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL | |||
16 | DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR | |||
17 | ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, | |||
18 | WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, | |||
19 | ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS | |||
20 | SOFTWARE. | |||
21 | ||||
22 | ************************************************************************/ | |||
23 | ||||
24 | /* | |||
25 | ||||
26 | Copyright 1994, 1998 The Open Group | |||
27 | ||||
28 | Permission to use, copy, modify, distribute, and sell this software and its | |||
29 | documentation for any purpose is hereby granted without fee, provided that | |||
30 | the above copyright notice appear in all copies and that both that | |||
31 | copyright notice and this permission notice appear in supporting | |||
32 | documentation. | |||
33 | ||||
34 | The above copyright notice and this permission notice shall be included | |||
35 | in all copies or substantial portions of the Software. | |||
36 | ||||
37 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS | |||
38 | OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |||
39 | MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. | |||
40 | IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR | |||
41 | OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, | |||
42 | ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR | |||
43 | OTHER DEALINGS IN THE SOFTWARE. | |||
44 | ||||
45 | Except as contained in this notice, the name of The Open Group shall | |||
46 | not be used in advertising or otherwise to promote the sale, use or | |||
47 | other dealings in this Software without prior written authorization | |||
48 | from The Open Group. | |||
49 | ||||
50 | */ | |||
51 | ||||
52 | #ifdef HAVE_CONFIG_H1 | |||
53 | #include <config.h> | |||
54 | #endif | |||
55 | ||||
56 | #include <ctype.h> | |||
57 | #include <X11/fonts/fntfilst.h> | |||
58 | #include <X11/fonts/fontutil.h> | |||
59 | /* use bitmap structure */ | |||
60 | #include <X11/fonts/bitmap.h> | |||
61 | #include <X11/fonts/bdfint.h> | |||
62 | ||||
63 | #if HAVE_STDINT_H1 | |||
64 | #include <stdint.h> | |||
65 | #else | |||
66 | # ifndef INT32_MAX2147483647 | |||
67 | # define INT32_MAX2147483647 0x7fffffff | |||
68 | # endif | |||
69 | # ifndef INT16_MAX32767 | |||
70 | # define INT16_MAX32767 0x7fff | |||
71 | # endif | |||
72 | # ifndef INT16_MIN-32768 | |||
73 | # define INT16_MIN-32768 (0 - 0x8000) | |||
74 | # endif | |||
75 | #endif | |||
76 | ||||
77 | #define INDICES256 256 | |||
78 | #define MAXENCODING0xFFFF 0xFFFF | |||
79 | #define BDFLINELEN1024 1024 | |||
80 | #define BDFLINESTR"%1023s" "%1023s" /* scanf specifier to read a BDFLINELEN string */ | |||
81 | ||||
82 | static Bool bdfPadToTerminal(FontPtr pFont); | |||
83 | extern int bdfFileLineNum; | |||
84 | ||||
85 | /***====================================================================***/ | |||
86 | ||||
87 | static Bool | |||
88 | bdfReadBitmap(CharInfoPtr pCI, FontFilePtr file, int bit, int byte, | |||
89 | int glyph, int scan, CARD32 *sizes) | |||
90 | { | |||
91 | int widthBits, | |||
92 | widthBytes, | |||
93 | widthHexChars; | |||
94 | int height, | |||
95 | row; | |||
96 | int i, | |||
97 | inLineLen, | |||
98 | nextByte; | |||
99 | unsigned char *pInBits, | |||
100 | *picture, | |||
101 | *line = NULL((void *)0); | |||
102 | unsigned char lineBuf[BDFLINELEN1024]; | |||
103 | ||||
104 | widthBits = GLYPHWIDTHPIXELS(pCI)((pCI)->metrics.rightSideBearing - (pCI)->metrics.leftSideBearing ); | |||
105 | height = GLYPHHEIGHTPIXELS(pCI)((pCI)->metrics.ascent + (pCI)->metrics.descent); | |||
106 | ||||
107 | widthBytes = BYTES_PER_ROW(widthBits, glyph)((glyph) == 1 ? (((widthBits)+7)>>3) :(glyph) == 2 ? (( ((widthBits)+15)>>3)&~1) :(glyph) == 4 ? ((((widthBits )+31)>>3)&~3) :(glyph) == 8 ? ((((widthBits)+63)>> 3)&~7) : 0); | |||
108 | if (widthBytes * height > 0) { | |||
| ||||
109 | picture = malloc(widthBytes * height); | |||
110 | if (!picture) { | |||
111 | bdfError("Couldn't allocate picture (%d*%d)\n", widthBytes, height); | |||
112 | goto BAILOUT; | |||
113 | } | |||
114 | } else | |||
115 | picture = NULL((void *)0); | |||
116 | pCI->bits = (char *) picture; | |||
117 | ||||
118 | if (sizes) { | |||
119 | for (i = 0; i < GLYPHPADOPTIONS4; i++) | |||
120 | sizes[i] += BYTES_PER_ROW(widthBits, (1 << i))(((1 << i)) == 1 ? (((widthBits)+7)>>3) :((1 << i)) == 2 ? ((((widthBits)+15)>>3)&~1) :((1 << i)) == 4 ? ((((widthBits)+31)>>3)&~3) :((1 << i)) == 8 ? ((((widthBits)+63)>>3)&~7) : 0) * height; | |||
121 | } | |||
122 | nextByte = 0; | |||
123 | widthHexChars = BYTES_PER_ROW(widthBits, 1)((1) == 1 ? (((widthBits)+7)>>3) :(1) == 2 ? ((((widthBits )+15)>>3)&~1) :(1) == 4 ? ((((widthBits)+31)>> 3)&~3) :(1) == 8 ? ((((widthBits)+63)>>3)&~7) : 0); | |||
124 | ||||
125 | /* 5/31/89 (ef) -- hack, hack, hack. what *am* I supposed to do with */ | |||
126 | /* 0 width characters? */ | |||
127 | ||||
128 | for (row = 0; row < height; row++) { | |||
129 | line = bdfGetLine(file, lineBuf, BDFLINELEN1024); | |||
130 | if (!line) | |||
131 | break; | |||
132 | ||||
133 | if (widthBits == 0) { | |||
134 | if ((!line) || (bdfIsPrefix(line, "ENDCHAR")(!strncmp((char *)line,"ENDCHAR",strlen("ENDCHAR"))))) | |||
135 | break; | |||
136 | else | |||
137 | continue; | |||
138 | } | |||
139 | pInBits = line; | |||
140 | inLineLen = strlen((char *) pInBits); | |||
141 | ||||
142 | if (inLineLen & 1) { | |||
143 | bdfError("odd number of characters in hex encoding\n"); | |||
144 | line[inLineLen++] = '0'; | |||
145 | line[inLineLen] = '\0'; | |||
146 | } | |||
147 | inLineLen >>= 1; | |||
148 | i = inLineLen; | |||
149 | if (i > widthHexChars) | |||
150 | i = widthHexChars; | |||
151 | for (; i > 0; i--, pInBits += 2) | |||
152 | picture[nextByte++] = bdfHexByte(pInBits); | |||
| ||||
153 | ||||
154 | /* pad if line is too short */ | |||
155 | if (inLineLen < widthHexChars) { | |||
156 | for (i = widthHexChars - inLineLen; i > 0; i--) | |||
157 | picture[nextByte++] = 0; | |||
158 | } else { | |||
159 | unsigned char mask; | |||
160 | ||||
161 | mask = 0xff << (8 - (widthBits & 0x7)); | |||
162 | if (mask && picture[nextByte - 1] & ~mask) { | |||
163 | picture[nextByte - 1] &= mask; | |||
164 | } | |||
165 | } | |||
166 | ||||
167 | if (widthBytes > widthHexChars) { | |||
168 | i = widthBytes - widthHexChars; | |||
169 | while (i-- > 0) | |||
170 | picture[nextByte++] = 0; | |||
171 | } | |||
172 | } | |||
173 | ||||
174 | if ((line && (!bdfIsPrefix(line, "ENDCHAR")(!strncmp((char *)line,"ENDCHAR",strlen("ENDCHAR"))))) || (height == 0)) | |||
175 | line = bdfGetLine(file, lineBuf, BDFLINELEN1024); | |||
176 | ||||
177 | if ((!line) || (!bdfIsPrefix(line, "ENDCHAR")(!strncmp((char *)line,"ENDCHAR",strlen("ENDCHAR"))))) { | |||
178 | bdfError("missing 'ENDCHAR'\n"); | |||
179 | goto BAILOUT; | |||
180 | } | |||
181 | if (nextByte != height * widthBytes) { | |||
182 | bdfError("bytes != rows * bytes_per_row (%d != %d * %d)\n", | |||
183 | nextByte, height, widthBytes); | |||
184 | goto BAILOUT; | |||
185 | } | |||
186 | if (picture != NULL((void *)0)) { | |||
187 | if (bit == LSBFirst0) | |||
188 | BitOrderInvert(picture, nextByte); | |||
189 | if (bit != byte) { | |||
190 | if (scan == 2) | |||
191 | TwoByteSwap(picture, nextByte); | |||
192 | else if (scan == 4) | |||
193 | FourByteSwap(picture, nextByte); | |||
194 | } | |||
195 | } | |||
196 | return (TRUE1); | |||
197 | BAILOUT: | |||
198 | if (picture) | |||
199 | free(picture); | |||
200 | pCI->bits = NULL((void *)0); | |||
201 | return (FALSE0); | |||
202 | } | |||
203 | ||||
204 | /***====================================================================***/ | |||
205 | ||||
206 | static Bool | |||
207 | bdfSkipBitmap(FontFilePtr file, int height) | |||
208 | { | |||
209 | unsigned char *line; | |||
210 | int i = 0; | |||
211 | unsigned char lineBuf[BDFLINELEN1024]; | |||
212 | ||||
213 | do { | |||
214 | line = bdfGetLine(file, lineBuf, BDFLINELEN1024); | |||
215 | i++; | |||
216 | } while (line && !bdfIsPrefix(line, "ENDCHAR")(!strncmp((char *)line,"ENDCHAR",strlen("ENDCHAR"))) && i <= height); | |||
217 | ||||
218 | if (i > 1 && line && !bdfIsPrefix(line, "ENDCHAR")(!strncmp((char *)line,"ENDCHAR",strlen("ENDCHAR")))) { | |||
219 | bdfError("Error in bitmap, missing 'ENDCHAR'\n"); | |||
220 | return (FALSE0); | |||
221 | } | |||
222 | return (TRUE1); | |||
223 | } | |||
224 | ||||
225 | /***====================================================================***/ | |||
226 | ||||
227 | static void | |||
228 | bdfFreeFontBits(FontPtr pFont) | |||
229 | { | |||
230 | BitmapFontPtr bitmapFont; | |||
231 | BitmapExtraPtr bitmapExtra; | |||
232 | int i, nencoding; | |||
233 | ||||
234 | bitmapFont = (BitmapFontPtr) pFont->fontPrivate; | |||
235 | bitmapExtra = (BitmapExtraPtr) bitmapFont->bitmapExtra; | |||
236 | free(bitmapFont->ink_metrics); | |||
237 | if(bitmapFont->encoding) { | |||
238 | nencoding = (pFont->info.lastCol - pFont->info.firstCol + 1) * | |||
239 | (pFont->info.lastRow - pFont->info.firstRow + 1); | |||
240 | for(i=0; i<NUM_SEGMENTS(nencoding)(((nencoding)+128 -1)/128); i++) | |||
241 | free(bitmapFont->encoding[i]); | |||
242 | } | |||
243 | free(bitmapFont->encoding); | |||
244 | for (i = 0; i < bitmapFont->num_chars; i++) | |||
245 | free(bitmapFont->metrics[i].bits); | |||
246 | free(bitmapFont->metrics); | |||
247 | if (bitmapExtra) | |||
248 | { | |||
249 | free (bitmapExtra->glyphNames); | |||
250 | free (bitmapExtra->sWidths); | |||
251 | free (bitmapExtra); | |||
252 | } | |||
253 | free(pFont->info.props); | |||
254 | free(bitmapFont); | |||
255 | } | |||
256 | ||||
257 | ||||
258 | static Bool | |||
259 | bdfReadCharacters(FontFilePtr file, FontPtr pFont, bdfFileState *pState, | |||
260 | int bit, int byte, int glyph, int scan) | |||
261 | { | |||
262 | unsigned char *line; | |||
263 | register CharInfoPtr ci; | |||
264 | int i, | |||
265 | ndx, | |||
266 | nchars, | |||
267 | nignored; | |||
268 | unsigned int char_row, char_col; | |||
269 | int numEncodedGlyphs = 0; | |||
270 | CharInfoPtr *bdfEncoding[256]; | |||
271 | BitmapFontPtr bitmapFont; | |||
272 | BitmapExtraPtr bitmapExtra; | |||
273 | CARD32 *bitmapsSizes; | |||
274 | unsigned char lineBuf[BDFLINELEN1024]; | |||
275 | int nencoding; | |||
276 | ||||
277 | bitmapFont = (BitmapFontPtr) pFont->fontPrivate; | |||
278 | bitmapExtra = (BitmapExtraPtr) bitmapFont->bitmapExtra; | |||
279 | ||||
280 | if (bitmapExtra) { | |||
281 | bitmapsSizes = bitmapExtra->bitmapsSizes; | |||
282 | for (i = 0; i < GLYPHPADOPTIONS4; i++) | |||
283 | bitmapsSizes[i] = 0; | |||
284 | } else | |||
285 | bitmapsSizes = NULL((void *)0); | |||
286 | ||||
287 | bzero(bdfEncoding, sizeof(bdfEncoding))__builtin___memset_chk (bdfEncoding, 0, sizeof(bdfEncoding), __builtin_object_size (bdfEncoding, 0)); | |||
288 | bitmapFont->metrics = NULL((void *)0); | |||
289 | ndx = 0; | |||
290 | ||||
291 | line = bdfGetLine(file, lineBuf, BDFLINELEN1024); | |||
292 | ||||
293 | if ((!line) || (sscanf((char *) line, "CHARS %d", &nchars) != 1)) { | |||
294 | bdfError("bad 'CHARS' in bdf file\n"); | |||
295 | return (FALSE0); | |||
296 | } | |||
297 | if (nchars < 1) { | |||
298 | bdfError("invalid number of CHARS in BDF file\n"); | |||
299 | return (FALSE0); | |||
300 | } | |||
301 | if (nchars > INT32_MAX2147483647 / sizeof(CharInfoRec)) { | |||
302 | bdfError("Couldn't allocate pCI (%d*%d)\n", nchars, | |||
303 | (int) sizeof(CharInfoRec)); | |||
304 | goto BAILOUT; | |||
305 | } | |||
306 | ci = calloc(nchars, sizeof(CharInfoRec)); | |||
307 | if (!ci) { | |||
308 | bdfError("Couldn't allocate pCI (%d*%d)\n", nchars, | |||
309 | (int) sizeof(CharInfoRec)); | |||
310 | goto BAILOUT; | |||
311 | } | |||
312 | bitmapFont->metrics = ci; | |||
313 | ||||
314 | if (bitmapExtra) { | |||
315 | bitmapExtra->glyphNames = malloc(nchars * sizeof(Atom)); | |||
316 | if (!bitmapExtra->glyphNames) { | |||
317 | bdfError("Couldn't allocate glyphNames (%d*%d)\n", | |||
318 | nchars, (int) sizeof(Atom)); | |||
319 | goto BAILOUT; | |||
320 | } | |||
321 | } | |||
322 | if (bitmapExtra) { | |||
323 | bitmapExtra->sWidths = malloc(nchars * sizeof(int)); | |||
324 | if (!bitmapExtra->sWidths) { | |||
325 | bdfError("Couldn't allocate sWidth (%d *%d)\n", | |||
326 | nchars, (int) sizeof(int)); | |||
327 | return FALSE0; | |||
328 | } | |||
329 | } | |||
330 | line = bdfGetLine(file, lineBuf, BDFLINELEN1024); | |||
331 | pFont->info.firstRow = 256; | |||
332 | pFont->info.lastRow = 0; | |||
333 | pFont->info.firstCol = 256; | |||
334 | pFont->info.lastCol = 0; | |||
335 | nignored = 0; | |||
336 | for (ndx = 0; (ndx < nchars) && (line) && (bdfIsPrefix(line, "STARTCHAR")(!strncmp((char *)line,"STARTCHAR",strlen("STARTCHAR"))));) { | |||
337 | int t; | |||
338 | int wx; /* x component of width */ | |||
339 | int wy; /* y component of width */ | |||
340 | int bw; /* bounding-box width */ | |||
341 | int bh; /* bounding-box height */ | |||
342 | int bl; /* bounding-box left */ | |||
343 | int bb; /* bounding-box bottom */ | |||
344 | int enc, | |||
345 | enc2; /* encoding */ | |||
346 | unsigned char *p; /* temp pointer into line */ | |||
347 | char charName[100]; | |||
348 | int ignore; | |||
349 | ||||
350 | if (sscanf((char *) line, "STARTCHAR %99s", charName) != 1) { | |||
351 | bdfError("bad character name in BDF file\n"); | |||
352 | goto BAILOUT; /* bottom of function, free and return error */ | |||
353 | } | |||
354 | if (bitmapExtra) | |||
355 | bitmapExtra->glyphNames[ndx] = bdfForceMakeAtom(charName, NULL((void *)0)); | |||
356 | ||||
357 | line = bdfGetLine(file, lineBuf, BDFLINELEN1024); | |||
358 | if (!line || (t = sscanf((char *) line, "ENCODING %d %d", &enc, &enc2)) < 1) { | |||
359 | bdfError("bad 'ENCODING' in BDF file\n"); | |||
360 | goto BAILOUT; | |||
361 | } | |||
362 | if (enc < -1 || (t == 2 && enc2 < -1)) { | |||
363 | bdfError("bad ENCODING value"); | |||
364 | goto BAILOUT; | |||
365 | } | |||
366 | if (t == 2 && enc == -1) | |||
367 | enc = enc2; | |||
368 | ignore = 0; | |||
369 | if (enc == -1) { | |||
370 | if (!bitmapExtra) { | |||
371 | nignored++; | |||
372 | ignore = 1; | |||
373 | } | |||
374 | } else if (enc > MAXENCODING0xFFFF) { | |||
375 | bdfError("char '%s' has encoding too large (%d)\n", | |||
376 | charName, enc); | |||
377 | } else { | |||
378 | char_row = (enc >> 8) & 0xFF; | |||
379 | char_col = enc & 0xFF; | |||
380 | if (char_row < pFont->info.firstRow) | |||
381 | pFont->info.firstRow = char_row; | |||
382 | if (char_row > pFont->info.lastRow) | |||
383 | pFont->info.lastRow = char_row; | |||
384 | if (char_col < pFont->info.firstCol) | |||
385 | pFont->info.firstCol = char_col; | |||
386 | if (char_col > pFont->info.lastCol) | |||
387 | pFont->info.lastCol = char_col; | |||
388 | if (bdfEncoding[char_row] == (CharInfoPtr *) NULL((void *)0)) { | |||
389 | bdfEncoding[char_row] = malloc(256 * sizeof(CharInfoPtr)); | |||
390 | if (!bdfEncoding[char_row]) { | |||
391 | bdfError("Couldn't allocate row %d of encoding (%d*%d)\n", | |||
392 | char_row, INDICES256, (int) sizeof(CharInfoPtr)); | |||
393 | goto BAILOUT; | |||
394 | } | |||
395 | for (i = 0; i < 256; i++) | |||
396 | bdfEncoding[char_row][i] = (CharInfoPtr) NULL((void *)0); | |||
397 | } | |||
398 | if (bdfEncoding[char_row] != NULL((void *)0)) { | |||
399 | bdfEncoding[char_row][char_col] = ci; | |||
400 | numEncodedGlyphs++; | |||
401 | } | |||
402 | } | |||
403 | ||||
404 | line = bdfGetLine(file, lineBuf, BDFLINELEN1024); | |||
405 | if ((!line) || (sscanf((char *) line, "SWIDTH %d %d", &wx, &wy) != 2)) { | |||
406 | bdfError("bad 'SWIDTH'\n"); | |||
407 | goto BAILOUT; | |||
408 | } | |||
409 | if (wy != 0) { | |||
410 | bdfError("SWIDTH y value must be zero\n"); | |||
411 | goto BAILOUT; | |||
412 | } | |||
413 | if (bitmapExtra) | |||
414 | bitmapExtra->sWidths[ndx] = wx; | |||
415 | ||||
416 | /* 5/31/89 (ef) -- we should be able to ditch the character and recover */ | |||
417 | /* from all of these. */ | |||
418 | ||||
419 | line = bdfGetLine(file, lineBuf, BDFLINELEN1024); | |||
420 | if ((!line) || (sscanf((char *) line, "DWIDTH %d %d", &wx, &wy) != 2)) { | |||
421 | bdfError("bad 'DWIDTH'\n"); | |||
422 | goto BAILOUT; | |||
423 | } | |||
424 | if (wy != 0) { | |||
425 | bdfError("DWIDTH y value must be zero\n"); | |||
426 | goto BAILOUT; | |||
427 | } | |||
428 | /* xCharInfo metrics are stored as INT16 */ | |||
429 | if ((wx < 0) || (wx > INT16_MAX32767)) { | |||
430 | bdfError("character '%s' has out of range width, %d\n", | |||
431 | charName, wx); | |||
432 | goto BAILOUT; | |||
433 | } | |||
434 | line = bdfGetLine(file, lineBuf, BDFLINELEN1024); | |||
435 | if ((!line) || (sscanf((char *) line, "BBX %d %d %d %d", &bw, &bh, &bl, &bb) != 4)) { | |||
436 | bdfError("bad 'BBX'\n"); | |||
437 | goto BAILOUT; | |||
438 | } | |||
439 | if ((bh < 0) || (bw < 0)) { | |||
440 | bdfError("character '%s' has a negative sized bitmap, %dx%d\n", | |||
441 | charName, bw, bh); | |||
442 | goto BAILOUT; | |||
443 | } | |||
444 | /* xCharInfo metrics are read as int, but stored as INT16 */ | |||
445 | if ((bl > INT16_MAX32767) || (bl < INT16_MIN-32768) || | |||
446 | (bb > INT16_MAX32767) || (bb < INT16_MIN-32768) || | |||
447 | (bw > (INT16_MAX32767 - bl)) || (bh > (INT16_MAX32767 - bb))) { | |||
448 | bdfError("character '%s' has out of range metrics, %d %d %d %d\n", | |||
449 | charName, bl, (bl+bw), (bh+bb), -bb); | |||
450 | goto BAILOUT; | |||
451 | } | |||
452 | line = bdfGetLine(file, lineBuf, BDFLINELEN1024); | |||
453 | if ((line) && (bdfIsPrefix(line, "ATTRIBUTES")(!strncmp((char *)line,"ATTRIBUTES",strlen("ATTRIBUTES"))))) { | |||
454 | for (p = line + strlen("ATTRIBUTES "); | |||
455 | (*p == ' ') || (*p == '\t'); | |||
456 | p++) | |||
457 | /* empty for loop */ ; | |||
458 | ci->metrics.attributes = (bdfHexByte(p) << 8) + bdfHexByte(p + 2); | |||
459 | line = bdfGetLine(file, lineBuf, BDFLINELEN1024); | |||
460 | } else | |||
461 | ci->metrics.attributes = 0; | |||
462 | ||||
463 | if (!line || !bdfIsPrefix(line, "BITMAP")(!strncmp((char *)line,"BITMAP",strlen("BITMAP")))) { | |||
464 | bdfError("missing 'BITMAP'\n"); | |||
465 | goto BAILOUT; | |||
466 | } | |||
467 | /* collect data for generated properties */ | |||
468 | if ((strlen(charName) == 1)) { | |||
469 | if ((charName[0] >= '0') && (charName[0] <= '9')) { | |||
470 | pState->digitWidths += wx; | |||
471 | pState->digitCount++; | |||
472 | } else if (charName[0] == 'x') { | |||
473 | pState->exHeight = (bh + bb) <= 0 ? bh : bh + bb; | |||
474 | } | |||
475 | } | |||
476 | if (!ignore) { | |||
477 | ci->metrics.leftSideBearing = bl; | |||
478 | ci->metrics.rightSideBearing = bl + bw; | |||
479 | ci->metrics.ascent = bh + bb; | |||
480 | ci->metrics.descent = -bb; | |||
481 | ci->metrics.characterWidth = wx; | |||
482 | ci->bits = NULL((void *)0); | |||
483 | if (!bdfReadBitmap(ci, file, bit, byte, glyph, scan, bitmapsSizes)) { | |||
484 | bdfError("could not read bitmap for character '%s'\n", charName); | |||
485 | goto BAILOUT; | |||
486 | } | |||
487 | ci++; | |||
488 | ndx++; | |||
489 | } else | |||
490 | bdfSkipBitmap(file, bh); | |||
491 | ||||
492 | line = bdfGetLine(file, lineBuf, BDFLINELEN1024); /* get STARTCHAR or | |||
493 | * ENDFONT */ | |||
494 | } | |||
495 | ||||
496 | if (ndx + nignored != nchars) { | |||
497 | bdfError("%d too few characters\n", nchars - (ndx + nignored)); | |||
498 | goto BAILOUT; | |||
499 | } | |||
500 | nchars = ndx; | |||
501 | bitmapFont->num_chars = nchars; | |||
502 | if ((line) && (bdfIsPrefix(line, "STARTCHAR")(!strncmp((char *)line,"STARTCHAR",strlen("STARTCHAR"))))) { | |||
503 | bdfError("more characters than specified\n"); | |||
504 | goto BAILOUT; | |||
505 | } | |||
506 | if ((!line) || (!bdfIsPrefix(line, "ENDFONT")(!strncmp((char *)line,"ENDFONT",strlen("ENDFONT"))))) { | |||
507 | bdfError("missing 'ENDFONT'\n"); | |||
508 | goto BAILOUT; | |||
509 | } | |||
510 | if (numEncodedGlyphs == 0) | |||
511 | bdfWarning("No characters with valid encodings\n"); | |||
512 | ||||
513 | nencoding = (pFont->info.lastRow - pFont->info.firstRow + 1) * | |||
514 | (pFont->info.lastCol - pFont->info.firstCol + 1); | |||
515 | bitmapFont->encoding = calloc(NUM_SEGMENTS(nencoding)(((nencoding)+128 -1)/128),sizeof(CharInfoPtr*)); | |||
516 | if (!bitmapFont->encoding) { | |||
517 | bdfError("Couldn't allocate ppCI (%d,%d)\n", | |||
518 | NUM_SEGMENTS(nencoding)(((nencoding)+128 -1)/128), | |||
519 | (int) sizeof(CharInfoPtr*)); | |||
520 | goto BAILOUT; | |||
521 | } | |||
522 | pFont->info.allExist = TRUE1; | |||
523 | i = 0; | |||
524 | for (char_row = pFont->info.firstRow; | |||
525 | char_row <= pFont->info.lastRow; | |||
526 | char_row++) { | |||
527 | if (bdfEncoding[char_row] == (CharInfoPtr *) NULL((void *)0)) { | |||
528 | pFont->info.allExist = FALSE0; | |||
529 | i += pFont->info.lastCol - pFont->info.firstCol + 1; | |||
530 | } else { | |||
531 | for (char_col = pFont->info.firstCol; | |||
532 | char_col <= pFont->info.lastCol; | |||
533 | char_col++) { | |||
534 | if (!bdfEncoding[char_row][char_col]) | |||
535 | pFont->info.allExist = FALSE0; | |||
536 | else { | |||
537 | if (!bitmapFont->encoding[SEGMENT_MAJOR(i)((i)/128)]) { | |||
538 | bitmapFont->encoding[SEGMENT_MAJOR(i)((i)/128)]= | |||
539 | calloc(BITMAP_FONT_SEGMENT_SIZE128, | |||
540 | sizeof(CharInfoPtr)); | |||
541 | if (!bitmapFont->encoding[SEGMENT_MAJOR(i)((i)/128)]) | |||
542 | goto BAILOUT; | |||
543 | } | |||
544 | ACCESSENCODINGL(bitmapFont->encoding,i)(bitmapFont->encoding[(i)/128][(i)%128]) = | |||
545 | bdfEncoding[char_row][char_col]; | |||
546 | } | |||
547 | i++; | |||
548 | } | |||
549 | } | |||
550 | } | |||
551 | for (i = 0; i < 256; i++) | |||
552 | if (bdfEncoding[i]) | |||
553 | free(bdfEncoding[i]); | |||
554 | return (TRUE1); | |||
555 | BAILOUT: | |||
556 | for (i = 0; i < 256; i++) | |||
557 | if (bdfEncoding[i]) | |||
558 | free(bdfEncoding[i]); | |||
559 | /* bdfFreeFontBits will clean up the rest */ | |||
560 | return (FALSE0); | |||
561 | } | |||
562 | ||||
563 | /***====================================================================***/ | |||
564 | ||||
565 | static Bool | |||
566 | bdfReadHeader(FontFilePtr file, bdfFileState *pState) | |||
567 | { | |||
568 | unsigned char *line; | |||
569 | char namebuf[BDFLINELEN1024]; | |||
570 | unsigned char lineBuf[BDFLINELEN1024]; | |||
571 | ||||
572 | line = bdfGetLine(file, lineBuf, BDFLINELEN1024); | |||
573 | if (!line || | |||
574 | sscanf((char *) line, "STARTFONT " BDFLINESTR"%1023s", namebuf) != 1 || | |||
575 | !bdfStrEqual(namebuf, "2.1")(!strcmp(namebuf,"2.1"))) { | |||
576 | bdfError("bad 'STARTFONT'\n"); | |||
577 | return (FALSE0); | |||
578 | } | |||
579 | line = bdfGetLine(file, lineBuf, BDFLINELEN1024); | |||
580 | #if MAXFONTNAMELEN1024 != 1024 | |||
581 | # error "need to adjust sscanf length limit to be MAXFONTNAMELEN - 1" | |||
582 | #endif | |||
583 | if (!line || | |||
584 | sscanf((char *) line, "FONT %1023[^\n]", pState->fontName) != 1) { | |||
585 | bdfError("bad 'FONT'\n"); | |||
586 | return (FALSE0); | |||
587 | } | |||
588 | line = bdfGetLine(file, lineBuf, BDFLINELEN1024); | |||
589 | if (!line || !bdfIsPrefix(line, "SIZE")(!strncmp((char *)line,"SIZE",strlen("SIZE")))) { | |||
590 | bdfError("missing 'SIZE'\n"); | |||
591 | return (FALSE0); | |||
592 | } | |||
593 | if (sscanf((char *) line, "SIZE %f%d%d", &pState->pointSize, | |||
594 | &pState->resolution_x, &pState->resolution_y) != 3) { | |||
595 | bdfError("bad 'SIZE'\n"); | |||
596 | return (FALSE0); | |||
597 | } | |||
598 | if (pState->pointSize < 1 || | |||
599 | pState->resolution_x < 1 || pState->resolution_y < 1) { | |||
600 | bdfError("SIZE values must be > 0\n"); | |||
601 | return (FALSE0); | |||
602 | } | |||
603 | line = bdfGetLine(file, lineBuf, BDFLINELEN1024); | |||
604 | if (!line || !bdfIsPrefix(line, "FONTBOUNDINGBOX")(!strncmp((char *)line,"FONTBOUNDINGBOX",strlen("FONTBOUNDINGBOX" )))) { | |||
605 | bdfError("missing 'FONTBOUNDINGBOX'\n"); | |||
606 | return (FALSE0); | |||
607 | } | |||
608 | return (TRUE1); | |||
609 | } | |||
610 | ||||
611 | /***====================================================================***/ | |||
612 | ||||
613 | static Bool | |||
614 | bdfReadProperties(FontFilePtr file, FontPtr pFont, bdfFileState *pState) | |||
615 | { | |||
616 | int nProps, props_left, | |||
617 | nextProp; | |||
618 | char *stringProps; | |||
619 | FontPropPtr props; | |||
620 | char namebuf[BDFLINELEN1024], | |||
621 | secondbuf[BDFLINELEN1024], | |||
622 | thirdbuf[BDFLINELEN1024]; | |||
623 | unsigned char *line; | |||
624 | unsigned char lineBuf[BDFLINELEN1024]; | |||
625 | BitmapFontPtr bitmapFont = (BitmapFontPtr) pFont->fontPrivate; | |||
626 | ||||
627 | line = bdfGetLine(file, lineBuf, BDFLINELEN1024); | |||
628 | if (!line || !bdfIsPrefix(line, "STARTPROPERTIES")(!strncmp((char *)line,"STARTPROPERTIES",strlen("STARTPROPERTIES" )))) { | |||
629 | bdfError("missing 'STARTPROPERTIES'\n"); | |||
630 | return (FALSE0); | |||
631 | } | |||
632 | if ((sscanf((char *) line, "STARTPROPERTIES %d", &nProps) != 1) || | |||
633 | (nProps <= 0) || | |||
634 | (nProps > ((INT32_MAX2147483647 / sizeof(FontPropRec)) - BDF_GENPROPS6))) { | |||
635 | bdfError("bad 'STARTPROPERTIES'\n"); | |||
636 | return (FALSE0); | |||
637 | } | |||
638 | pFont->info.isStringProp = NULL((void *)0); | |||
639 | pFont->info.props = NULL((void *)0); | |||
640 | pFont->info.nprops = 0; | |||
641 | ||||
642 | stringProps = malloc((nProps + BDF_GENPROPS6) * sizeof(char)); | |||
643 | pFont->info.isStringProp = stringProps; | |||
644 | if (stringProps == NULL((void *)0)) { | |||
645 | bdfError("Couldn't allocate stringProps (%d*%d)\n", | |||
646 | (nProps + BDF_GENPROPS6), (int) sizeof(Bool)); | |||
647 | goto BAILOUT; | |||
648 | } | |||
649 | pFont->info.props = props = calloc(nProps + BDF_GENPROPS6, | |||
650 | sizeof(FontPropRec)); | |||
651 | if (props == NULL((void *)0)) { | |||
652 | bdfError("Couldn't allocate props (%d*%d)\n", nProps + BDF_GENPROPS6, | |||
653 | (int) sizeof(FontPropRec)); | |||
654 | goto BAILOUT; | |||
655 | } | |||
656 | ||||
657 | nextProp = 0; | |||
658 | props_left = nProps; | |||
659 | while (props_left-- > 0) { | |||
660 | line = bdfGetLine(file, lineBuf, BDFLINELEN1024); | |||
661 | if (line == NULL((void *)0) || bdfIsPrefix(line, "ENDPROPERTIES")(!strncmp((char *)line,"ENDPROPERTIES",strlen("ENDPROPERTIES" )))) { | |||
662 | bdfError("\"STARTPROPERTIES %d\" followed by only %d properties\n", | |||
663 | nProps, nProps - props_left - 1); | |||
664 | goto BAILOUT; | |||
665 | } | |||
666 | while (*line && isspace(*line)) | |||
667 | line++; | |||
668 | ||||
669 | switch (sscanf((char *) line, | |||
670 | BDFLINESTR"%1023s" BDFLINESTR"%1023s" BDFLINESTR"%1023s", | |||
671 | namebuf, secondbuf, thirdbuf)) { | |||
672 | default: | |||
673 | bdfError("missing '%s' parameter value\n", namebuf); | |||
674 | goto BAILOUT; | |||
675 | ||||
676 | case 2: | |||
677 | /* | |||
678 | * Possibilites include: valid quoted string with no white space | |||
679 | * valid integer value invalid value | |||
680 | */ | |||
681 | if (secondbuf[0] == '"') { | |||
682 | stringProps[nextProp] = TRUE1; | |||
683 | props[nextProp].value = | |||
684 | bdfGetPropertyValue((char *)line + strlen(namebuf) + 1); | |||
685 | if (!props[nextProp].value) | |||
686 | goto BAILOUT; | |||
687 | break; | |||
688 | } else if (bdfIsInteger(secondbuf)) { | |||
689 | stringProps[nextProp] = FALSE0; | |||
690 | props[nextProp].value = atoi(secondbuf); | |||
691 | break; | |||
692 | } else { | |||
693 | bdfError("invalid '%s' parameter value\n", namebuf); | |||
694 | goto BAILOUT; | |||
695 | } | |||
696 | ||||
697 | case 3: | |||
698 | /* | |||
699 | * Possibilites include: valid quoted string with some white space | |||
700 | * invalid value (reject even if second string is integer) | |||
701 | */ | |||
702 | if (secondbuf[0] == '"') { | |||
703 | stringProps[nextProp] = TRUE1; | |||
704 | props[nextProp].value = | |||
705 | bdfGetPropertyValue((char *)line + strlen(namebuf) + 1); | |||
706 | if (!props[nextProp].value) | |||
707 | goto BAILOUT; | |||
708 | break; | |||
709 | } else { | |||
710 | bdfError("invalid '%s' parameter value\n", namebuf); | |||
711 | goto BAILOUT; | |||
712 | } | |||
713 | } | |||
714 | props[nextProp].name = bdfForceMakeAtom(namebuf, NULL((void *)0)); | |||
715 | if (props[nextProp].name == None0l) { | |||
716 | bdfError("Empty property name.\n"); | |||
717 | goto BAILOUT; | |||
718 | } | |||
719 | if (!bdfSpecialProperty(pFont, &props[nextProp], | |||
720 | stringProps[nextProp], pState)) | |||
721 | nextProp++; | |||
722 | } | |||
723 | ||||
724 | line = bdfGetLine(file, lineBuf, BDFLINELEN1024); | |||
725 | if (!line || !bdfIsPrefix(line, "ENDPROPERTIES")(!strncmp((char *)line,"ENDPROPERTIES",strlen("ENDPROPERTIES" )))) { | |||
726 | bdfError("missing 'ENDPROPERTIES'\n"); | |||
727 | goto BAILOUT; | |||
728 | } | |||
729 | if (!pState->haveFontAscent || !pState->haveFontDescent) { | |||
730 | bdfError("missing 'FONT_ASCENT' or 'FONT_DESCENT' properties\n"); | |||
731 | goto BAILOUT; | |||
732 | } | |||
733 | if (bitmapFont->bitmapExtra) { | |||
734 | bitmapFont->bitmapExtra->info.fontAscent = pFont->info.fontAscent; | |||
735 | bitmapFont->bitmapExtra->info.fontDescent = pFont->info.fontDescent; | |||
736 | } | |||
737 | if (!pState->pointSizeProp) { | |||
738 | props[nextProp].name = bdfForceMakeAtom("POINT_SIZE", NULL((void *)0)); | |||
739 | props[nextProp].value = (INT32) (pState->pointSize * 10.0); | |||
740 | stringProps[nextProp] = FALSE0; | |||
741 | pState->pointSizeProp = &props[nextProp]; | |||
742 | nextProp++; | |||
743 | } | |||
744 | if (!pState->fontProp) { | |||
745 | props[nextProp].name = bdfForceMakeAtom("FONT", NULL((void *)0)); | |||
746 | props[nextProp].value = (INT32) bdfForceMakeAtom(pState->fontName, NULL((void *)0)); | |||
747 | stringProps[nextProp] = TRUE1; | |||
748 | pState->fontProp = &props[nextProp]; | |||
749 | nextProp++; | |||
750 | } | |||
751 | if (!pState->weightProp) { | |||
752 | props[nextProp].name = bdfForceMakeAtom("WEIGHT", NULL((void *)0)); | |||
753 | props[nextProp].value = -1; /* computed later */ | |||
754 | stringProps[nextProp] = FALSE0; | |||
755 | pState->weightProp = &props[nextProp]; | |||
756 | nextProp++; | |||
757 | } | |||
758 | if (!pState->resolutionProp && | |||
759 | pState->resolution_x == pState->resolution_y) { | |||
760 | props[nextProp].name = bdfForceMakeAtom("RESOLUTION", NULL((void *)0)); | |||
761 | props[nextProp].value = (INT32) ((pState->resolution_x * 100.0) / 72.27); | |||
762 | stringProps[nextProp] = FALSE0; | |||
763 | pState->resolutionProp = &props[nextProp]; | |||
764 | nextProp++; | |||
765 | } | |||
766 | if (!pState->resolutionXProp) { | |||
767 | props[nextProp].name = bdfForceMakeAtom("RESOLUTION_X", NULL((void *)0)); | |||
768 | props[nextProp].value = (INT32) pState->resolution_x; | |||
769 | stringProps[nextProp] = FALSE0; | |||
770 | pState->resolutionProp = &props[nextProp]; | |||
771 | nextProp++; | |||
772 | } | |||
773 | if (!pState->resolutionYProp) { | |||
774 | props[nextProp].name = bdfForceMakeAtom("RESOLUTION_Y", NULL((void *)0)); | |||
775 | props[nextProp].value = (INT32) pState->resolution_y; | |||
776 | stringProps[nextProp] = FALSE0; | |||
777 | pState->resolutionProp = &props[nextProp]; | |||
778 | nextProp++; | |||
779 | } | |||
780 | if (!pState->xHeightProp) { | |||
781 | props[nextProp].name = bdfForceMakeAtom("X_HEIGHT", NULL((void *)0)); | |||
782 | props[nextProp].value = -1; /* computed later */ | |||
783 | stringProps[nextProp] = FALSE0; | |||
784 | pState->xHeightProp = &props[nextProp]; | |||
785 | nextProp++; | |||
786 | } | |||
787 | if (!pState->quadWidthProp) { | |||
788 | props[nextProp].name = bdfForceMakeAtom("QUAD_WIDTH", NULL((void *)0)); | |||
789 | props[nextProp].value = -1; /* computed later */ | |||
790 | stringProps[nextProp] = FALSE0; | |||
791 | pState->quadWidthProp = &props[nextProp]; | |||
792 | nextProp++; | |||
793 | } | |||
794 | pFont->info.nprops = nextProp; | |||
795 | return (TRUE1); | |||
796 | BAILOUT: | |||
797 | if (pFont->info.isStringProp) { | |||
798 | free(pFont->info.isStringProp); | |||
799 | pFont->info.isStringProp = NULL((void *)0); | |||
800 | } | |||
801 | if (pFont->info.props) { | |||
802 | free(pFont->info.props); | |||
803 | pFont->info.props = NULL((void *)0); | |||
804 | } | |||
805 | while (line && bdfIsPrefix(line, "ENDPROPERTIES")(!strncmp((char *)line,"ENDPROPERTIES",strlen("ENDPROPERTIES" )))) | |||
806 | line = bdfGetLine(file, lineBuf, BDFLINELEN1024); | |||
807 | return (FALSE0); | |||
808 | } | |||
809 | ||||
810 | /***====================================================================***/ | |||
811 | ||||
812 | static void | |||
813 | bdfUnloadFont(FontPtr pFont) | |||
814 | { | |||
815 | bdfFreeFontBits (pFont); | |||
816 | DestroyFontRec(pFont); | |||
817 | } | |||
818 | ||||
819 | int | |||
820 | bdfReadFont(FontPtr pFont, FontFilePtr file, | |||
821 | int bit, int byte, int glyph, int scan) | |||
822 | { | |||
823 | bdfFileState state; | |||
824 | xCharInfo *min, | |||
825 | *max; | |||
826 | BitmapFontPtr bitmapFont; | |||
827 | ||||
828 | pFont->fontPrivate = 0; | |||
829 | ||||
830 | bzero(&state, sizeof(bdfFileState))__builtin___memset_chk (&state, 0, sizeof(bdfFileState), __builtin_object_size (&state, 0)); | |||
831 | bdfFileLineNum = 0; | |||
832 | ||||
833 | if (!bdfReadHeader(file, &state)) | |||
834 | goto BAILOUT; | |||
835 | ||||
836 | bitmapFont = calloc(1, sizeof(BitmapFontRec)); | |||
837 | if (!bitmapFont) { | |||
838 | bdfError("Couldn't allocate bitmapFontRec (%d)\n", | |||
839 | (int) sizeof(BitmapFontRec)); | |||
840 | goto BAILOUT; | |||
841 | } | |||
842 | ||||
843 | pFont->fontPrivate = (pointer) bitmapFont; | |||
844 | bitmapFont->metrics = 0; | |||
845 | bitmapFont->ink_metrics = 0; | |||
846 | bitmapFont->bitmaps = 0; | |||
847 | bitmapFont->encoding = 0; | |||
848 | bitmapFont->pDefault = NULL((void *)0); | |||
849 | ||||
850 | bitmapFont->bitmapExtra = calloc(1, sizeof(BitmapExtraRec)); | |||
851 | if (!bitmapFont->bitmapExtra) { | |||
852 | bdfError("Couldn't allocate bitmapExtra (%d)\n", | |||
853 | (int) sizeof(BitmapExtraRec)); | |||
854 | goto BAILOUT; | |||
855 | } | |||
856 | ||||
857 | bitmapFont->bitmapExtra->glyphNames = 0; | |||
858 | bitmapFont->bitmapExtra->sWidths = 0; | |||
859 | ||||
860 | if (!bdfReadProperties(file, pFont, &state)) | |||
861 | goto BAILOUT; | |||
862 | ||||
863 | if (!bdfReadCharacters(file, pFont, &state, bit, byte, glyph, scan)) | |||
864 | goto BAILOUT; | |||
865 | ||||
866 | if (state.haveDefaultCh) { | |||
867 | unsigned int r, c, cols; | |||
868 | ||||
869 | r = pFont->info.defaultCh >> 8; | |||
870 | c = pFont->info.defaultCh & 0xFF; | |||
871 | if (pFont->info.firstRow <= r && r <= pFont->info.lastRow && | |||
872 | pFont->info.firstCol <= c && c <= pFont->info.lastCol) { | |||
873 | cols = pFont->info.lastCol - pFont->info.firstCol + 1; | |||
874 | r = r - pFont->info.firstRow; | |||
875 | c = c - pFont->info.firstCol; | |||
876 | bitmapFont->pDefault = ACCESSENCODING(bitmapFont->encoding,(bitmapFont->encoding[(r * cols + c)/128]?(bitmapFont-> encoding[(r * cols + c)/128][(r * cols + c)%128]):0) | |||
877 | r * cols + c)(bitmapFont->encoding[(r * cols + c)/128]?(bitmapFont-> encoding[(r * cols + c)/128][(r * cols + c)%128]):0); | |||
878 | } | |||
879 | } | |||
880 | pFont->bit = bit; | |||
881 | pFont->byte = byte; | |||
882 | pFont->glyph = glyph; | |||
883 | pFont->scan = scan; | |||
884 | pFont->info.anamorphic = FALSE0; | |||
885 | pFont->info.cachable = TRUE1; | |||
886 | bitmapComputeFontBounds(pFont); | |||
887 | if (FontCouldBeTerminal(&pFont->info)) { | |||
888 | bdfPadToTerminal(pFont); | |||
889 | bitmapComputeFontBounds(pFont); | |||
890 | } | |||
891 | FontComputeInfoAccelerators(&pFont->info); | |||
892 | if (bitmapFont->bitmapExtra) | |||
893 | FontComputeInfoAccelerators(&bitmapFont->bitmapExtra->info); | |||
894 | if (pFont->info.constantMetrics) { | |||
895 | if (!bitmapAddInkMetrics(pFont)) { | |||
896 | bdfError("Failed to add bitmap ink metrics\n"); | |||
897 | goto BAILOUT; | |||
898 | } | |||
899 | } | |||
900 | if (bitmapFont->bitmapExtra) | |||
901 | bitmapFont->bitmapExtra->info.inkMetrics = pFont->info.inkMetrics; | |||
902 | ||||
903 | bitmapComputeFontInkBounds(pFont); | |||
904 | /* ComputeFontAccelerators (pFont); */ | |||
905 | ||||
906 | /* generate properties */ | |||
907 | min = &pFont->info.ink_minbounds; | |||
908 | max = &pFont->info.ink_maxbounds; | |||
909 | if (state.xHeightProp && (state.xHeightProp->value == -1)) | |||
910 | state.xHeightProp->value = state.exHeight ? | |||
911 | state.exHeight : min->ascent; | |||
912 | ||||
913 | if (state.quadWidthProp && (state.quadWidthProp->value == -1)) | |||
914 | state.quadWidthProp->value = state.digitCount ? | |||
915 | (INT32) (state.digitWidths / state.digitCount) : | |||
916 | (min->characterWidth + max->characterWidth) / 2; | |||
917 | ||||
918 | if (state.weightProp && (state.weightProp->value == -1)) | |||
919 | state.weightProp->value = bitmapComputeWeight(pFont); | |||
920 | ||||
921 | pFont->get_glyphs = bitmapGetGlyphs; | |||
922 | pFont->get_metrics = bitmapGetMetrics; | |||
923 | pFont->unload_font = bdfUnloadFont; | |||
924 | pFont->unload_glyphs = NULL((void *)0); | |||
925 | return Successful85; | |||
926 | BAILOUT: | |||
927 | if (pFont->fontPrivate) | |||
928 | bdfFreeFontBits (pFont); | |||
929 | return AllocError80; | |||
930 | } | |||
931 | ||||
932 | int | |||
933 | bdfReadFontInfo(FontInfoPtr pFontInfo, FontFilePtr file) | |||
934 | { | |||
935 | FontRec font; | |||
936 | int ret; | |||
937 | ||||
938 | bzero(&font, sizeof (FontRec))__builtin___memset_chk (&font, 0, sizeof (FontRec), __builtin_object_size (&font, 0)); | |||
939 | ||||
940 | ret = bdfReadFont(&font, file, MSBFirst1, LSBFirst0, 1, 1); | |||
941 | if (ret == Successful85) { | |||
942 | *pFontInfo = font.info; | |||
943 | font.info.props = 0; | |||
944 | font.info.isStringProp = 0; | |||
945 | font.info.nprops = 0; | |||
946 | bdfFreeFontBits (&font); | |||
947 | } | |||
948 | return ret; | |||
949 | } | |||
950 | ||||
951 | static Bool | |||
952 | bdfPadToTerminal(FontPtr pFont) | |||
953 | { | |||
954 | BitmapFontPtr bitmapFont; | |||
955 | BitmapExtraPtr bitmapExtra; | |||
956 | int i; | |||
957 | int new_size; | |||
958 | CharInfoRec new; | |||
959 | int w, | |||
960 | h; | |||
961 | ||||
962 | bitmapFont = (BitmapFontPtr) pFont->fontPrivate; | |||
963 | ||||
964 | bzero(&new, sizeof(CharInfoRec))__builtin___memset_chk (&new, 0, sizeof(CharInfoRec), __builtin_object_size (&new, 0)); | |||
965 | new.metrics.ascent = pFont->info.fontAscent; | |||
966 | new.metrics.descent = pFont->info.fontDescent; | |||
967 | new.metrics.leftSideBearing = 0; | |||
968 | new.metrics.rightSideBearing = pFont->info.minbounds.characterWidth; | |||
969 | new.metrics.characterWidth = new.metrics.rightSideBearing; | |||
970 | new_size = BYTES_FOR_GLYPH(&new, pFont->glyph)(((&new)->metrics.ascent + (&new)->metrics.descent ) * ((pFont->glyph) == 1 ? (((((&new)->metrics.rightSideBearing - (&new)->metrics.leftSideBearing))+7)>>3) :(pFont ->glyph) == 2 ? ((((((&new)->metrics.rightSideBearing - (&new)->metrics.leftSideBearing))+15)>>3)& ~1) :(pFont->glyph) == 4 ? ((((((&new)->metrics.rightSideBearing - (&new)->metrics.leftSideBearing))+31)>>3)& ~3) :(pFont->glyph) == 8 ? ((((((&new)->metrics.rightSideBearing - (&new)->metrics.leftSideBearing))+63)>>3)& ~7) : 0)); | |||
971 | ||||
972 | for (i = 0; i < bitmapFont->num_chars; i++) { | |||
973 | new.bits = malloc(new_size); | |||
974 | if (!new.bits) { | |||
975 | bdfError("Couldn't allocate bits (%d)\n", new_size); | |||
976 | return FALSE0; | |||
977 | } | |||
978 | FontCharReshape(pFont, &bitmapFont->metrics[i], &new); | |||
979 | new.metrics.attributes = bitmapFont->metrics[i].metrics.attributes; | |||
980 | free(bitmapFont->metrics[i].bits); | |||
981 | bitmapFont->metrics[i] = new; | |||
982 | } | |||
983 | bitmapExtra = bitmapFont->bitmapExtra; | |||
984 | if (bitmapExtra) { | |||
985 | w = GLYPHWIDTHPIXELS(&new)((&new)->metrics.rightSideBearing - (&new)->metrics .leftSideBearing); | |||
986 | h = GLYPHHEIGHTPIXELS(&new)((&new)->metrics.ascent + (&new)->metrics.descent ); | |||
987 | for (i = 0; i < GLYPHPADOPTIONS4; i++) | |||
988 | bitmapExtra->bitmapsSizes[i] = bitmapFont->num_chars * | |||
989 | (BYTES_PER_ROW(w, 1 << i)((1 << i) == 1 ? (((w)+7)>>3) :(1 << i) == 2 ? ((((w)+15)>>3)&~1) :(1 << i) == 4 ? ((((w) +31)>>3)&~3) :(1 << i) == 8 ? ((((w)+63)>> 3)&~7) : 0) * h); | |||
990 | } | |||
991 | return TRUE1; | |||
992 | } |