| File: | bitmap/bdfread.c |
| Location: | line 171, column 23 |
| 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 | #include "libxfontint.h" | |||
| 56 | ||||
| 57 | #include <ctype.h> | |||
| 58 | #include <X11/fonts/fntfilst.h> | |||
| 59 | #include <X11/fonts/fontutil.h> | |||
| 60 | /* use bitmap structure */ | |||
| 61 | #include <X11/fonts/bitmap.h> | |||
| 62 | #include <X11/fonts/bdfint.h> | |||
| 63 | ||||
| 64 | #if HAVE_STDINT_H1 | |||
| 65 | #include <stdint.h> | |||
| 66 | #else | |||
| 67 | # ifndef INT32_MAX2147483647 | |||
| 68 | # define INT32_MAX2147483647 0x7fffffff | |||
| 69 | # endif | |||
| 70 | # ifndef INT16_MAX32767 | |||
| 71 | # define INT16_MAX32767 0x7fff | |||
| 72 | # endif | |||
| 73 | # ifndef INT16_MIN-32768 | |||
| 74 | # define INT16_MIN-32768 (0 - 0x8000) | |||
| 75 | # endif | |||
| 76 | #endif | |||
| 77 | ||||
| 78 | #define INDICES256 256 | |||
| 79 | #define MAXENCODING0xFFFF 0xFFFF | |||
| 80 | #define BDFLINELEN1024 1024 | |||
| 81 | #define BDFLINESTR"%1023s" "%1023s" /* scanf specifier to read a BDFLINELEN string */ | |||
| 82 | ||||
| 83 | static Bool bdfPadToTerminal(FontPtr pFont); | |||
| 84 | extern int bdfFileLineNum; | |||
| 85 | ||||
| 86 | /***====================================================================***/ | |||
| 87 | ||||
| 88 | static Bool | |||
| 89 | bdfReadBitmap(CharInfoPtr pCI, FontFilePtr file, int bit, int byte, | |||
| 90 | int glyph, int scan, CARD32 *sizes) | |||
| 91 | { | |||
| 92 | int widthBits, | |||
| 93 | widthBytes, | |||
| 94 | widthHexChars; | |||
| 95 | int height, | |||
| 96 | row; | |||
| 97 | int i, | |||
| 98 | inLineLen, | |||
| 99 | nextByte; | |||
| 100 | unsigned char *pInBits, | |||
| 101 | *picture, | |||
| 102 | *line = NULL((void *)0); | |||
| 103 | unsigned char lineBuf[BDFLINELEN1024]; | |||
| 104 | ||||
| 105 | widthBits = GLYPHWIDTHPIXELS(pCI)((pCI)->metrics.rightSideBearing - (pCI)->metrics.leftSideBearing ); | |||
| 106 | height = GLYPHHEIGHTPIXELS(pCI)((pCI)->metrics.ascent + (pCI)->metrics.descent); | |||
| 107 | ||||
| 108 | 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); | |||
| 109 | if (widthBytes * height > 0) { | |||
| ||||
| 110 | picture = malloc(widthBytes * height); | |||
| 111 | if (!picture) { | |||
| 112 | bdfError("Couldn't allocate picture (%d*%d)\n", widthBytes, height); | |||
| 113 | goto BAILOUT; | |||
| 114 | } | |||
| 115 | } else | |||
| 116 | picture = NULL((void *)0); | |||
| 117 | pCI->bits = (char *) picture; | |||
| 118 | ||||
| 119 | if (sizes) { | |||
| 120 | for (i = 0; i < GLYPHPADOPTIONS4; i++) | |||
| 121 | 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; | |||
| 122 | } | |||
| 123 | nextByte = 0; | |||
| 124 | 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); | |||
| 125 | ||||
| 126 | /* 5/31/89 (ef) -- hack, hack, hack. what *am* I supposed to do with */ | |||
| 127 | /* 0 width characters? */ | |||
| 128 | ||||
| 129 | for (row = 0; row < height; row++) { | |||
| 130 | line = bdfGetLine(file, lineBuf, BDFLINELEN1024); | |||
| 131 | if (!line) | |||
| 132 | break; | |||
| 133 | ||||
| 134 | if (widthBits == 0) { | |||
| 135 | if ((!line) || (bdfIsPrefix(line, "ENDCHAR")(!strncmp((char *)line,"ENDCHAR",strlen("ENDCHAR"))))) | |||
| 136 | break; | |||
| 137 | else | |||
| 138 | continue; | |||
| 139 | } | |||
| 140 | pInBits = line; | |||
| 141 | inLineLen = strlen((char *) pInBits); | |||
| 142 | ||||
| 143 | if (inLineLen & 1) { | |||
| 144 | bdfError("odd number of characters in hex encoding\n"); | |||
| 145 | line[inLineLen++] = '0'; | |||
| 146 | line[inLineLen] = '\0'; | |||
| 147 | } | |||
| 148 | inLineLen >>= 1; | |||
| 149 | i = inLineLen; | |||
| 150 | if (i > widthHexChars) | |||
| 151 | i = widthHexChars; | |||
| 152 | for (; i > 0; i--, pInBits += 2) | |||
| 153 | picture[nextByte++] = bdfHexByte(pInBits); | |||
| 154 | ||||
| 155 | /* pad if line is too short */ | |||
| 156 | if (inLineLen < widthHexChars) { | |||
| 157 | for (i = widthHexChars - inLineLen; i > 0; i--) | |||
| 158 | picture[nextByte++] = 0; | |||
| 159 | } else { | |||
| 160 | unsigned char mask; | |||
| 161 | ||||
| 162 | mask = 0xff << (8 - (widthBits & 0x7)); | |||
| 163 | if (mask && picture[nextByte - 1] & ~mask) { | |||
| 164 | picture[nextByte - 1] &= mask; | |||
| 165 | } | |||
| 166 | } | |||
| 167 | ||||
| 168 | if (widthBytes > widthHexChars) { | |||
| 169 | i = widthBytes - widthHexChars; | |||
| 170 | while (i-- > 0) | |||
| 171 | picture[nextByte++] = 0; | |||
| ||||
| 172 | } | |||
| 173 | } | |||
| 174 | ||||
| 175 | if ((line && (!bdfIsPrefix(line, "ENDCHAR")(!strncmp((char *)line,"ENDCHAR",strlen("ENDCHAR"))))) || (height == 0)) | |||
| 176 | line = bdfGetLine(file, lineBuf, BDFLINELEN1024); | |||
| 177 | ||||
| 178 | if ((!line) || (!bdfIsPrefix(line, "ENDCHAR")(!strncmp((char *)line,"ENDCHAR",strlen("ENDCHAR"))))) { | |||
| 179 | bdfError("missing 'ENDCHAR'\n"); | |||
| 180 | goto BAILOUT; | |||
| 181 | } | |||
| 182 | if (nextByte != height * widthBytes) { | |||
| 183 | bdfError("bytes != rows * bytes_per_row (%d != %d * %d)\n", | |||
| 184 | nextByte, height, widthBytes); | |||
| 185 | goto BAILOUT; | |||
| 186 | } | |||
| 187 | if (picture != NULL((void *)0)) { | |||
| 188 | if (bit == LSBFirst0) | |||
| 189 | BitOrderInvert(picture, nextByte); | |||
| 190 | if (bit != byte) { | |||
| 191 | if (scan == 2) | |||
| 192 | TwoByteSwap(picture, nextByte); | |||
| 193 | else if (scan == 4) | |||
| 194 | FourByteSwap(picture, nextByte); | |||
| 195 | } | |||
| 196 | } | |||
| 197 | return (TRUE1); | |||
| 198 | BAILOUT: | |||
| 199 | if (picture) | |||
| 200 | free(picture); | |||
| 201 | pCI->bits = NULL((void *)0); | |||
| 202 | return (FALSE0); | |||
| 203 | } | |||
| 204 | ||||
| 205 | /***====================================================================***/ | |||
| 206 | ||||
| 207 | static Bool | |||
| 208 | bdfSkipBitmap(FontFilePtr file, int height) | |||
| 209 | { | |||
| 210 | unsigned char *line; | |||
| 211 | int i = 0; | |||
| 212 | unsigned char lineBuf[BDFLINELEN1024]; | |||
| 213 | ||||
| 214 | do { | |||
| 215 | line = bdfGetLine(file, lineBuf, BDFLINELEN1024); | |||
| 216 | i++; | |||
| 217 | } while (line && !bdfIsPrefix(line, "ENDCHAR")(!strncmp((char *)line,"ENDCHAR",strlen("ENDCHAR"))) && i <= height); | |||
| 218 | ||||
| 219 | if (i > 1 && line && !bdfIsPrefix(line, "ENDCHAR")(!strncmp((char *)line,"ENDCHAR",strlen("ENDCHAR")))) { | |||
| 220 | bdfError("Error in bitmap, missing 'ENDCHAR'\n"); | |||
| 221 | return (FALSE0); | |||
| 222 | } | |||
| 223 | return (TRUE1); | |||
| 224 | } | |||
| 225 | ||||
| 226 | /***====================================================================***/ | |||
| 227 | ||||
| 228 | static void | |||
| 229 | bdfFreeFontBits(FontPtr pFont) | |||
| 230 | { | |||
| 231 | BitmapFontPtr bitmapFont; | |||
| 232 | BitmapExtraPtr bitmapExtra; | |||
| 233 | int i, nencoding; | |||
| 234 | ||||
| 235 | bitmapFont = (BitmapFontPtr) pFont->fontPrivate; | |||
| 236 | bitmapExtra = (BitmapExtraPtr) bitmapFont->bitmapExtra; | |||
| 237 | free(bitmapFont->ink_metrics); | |||
| 238 | if(bitmapFont->encoding) { | |||
| 239 | nencoding = (pFont->info.lastCol - pFont->info.firstCol + 1) * | |||
| 240 | (pFont->info.lastRow - pFont->info.firstRow + 1); | |||
| 241 | for(i=0; i<NUM_SEGMENTS(nencoding)(((nencoding)+128 -1)/128); i++) | |||
| 242 | free(bitmapFont->encoding[i]); | |||
| 243 | } | |||
| 244 | free(bitmapFont->encoding); | |||
| 245 | for (i = 0; i < bitmapFont->num_chars; i++) | |||
| 246 | free(bitmapFont->metrics[i].bits); | |||
| 247 | free(bitmapFont->metrics); | |||
| 248 | if (bitmapExtra) | |||
| 249 | { | |||
| 250 | free (bitmapExtra->glyphNames); | |||
| 251 | free (bitmapExtra->sWidths); | |||
| 252 | free (bitmapExtra); | |||
| 253 | } | |||
| 254 | free(pFont->info.props); | |||
| 255 | free(bitmapFont); | |||
| 256 | } | |||
| 257 | ||||
| 258 | ||||
| 259 | static Bool | |||
| 260 | bdfReadCharacters(FontFilePtr file, FontPtr pFont, bdfFileState *pState, | |||
| 261 | int bit, int byte, int glyph, int scan) | |||
| 262 | { | |||
| 263 | unsigned char *line; | |||
| 264 | register CharInfoPtr ci; | |||
| 265 | int i, | |||
| 266 | ndx, | |||
| 267 | nchars, | |||
| 268 | nignored; | |||
| 269 | unsigned int char_row, char_col; | |||
| 270 | int numEncodedGlyphs = 0; | |||
| 271 | CharInfoPtr *bdfEncoding[256]; | |||
| 272 | BitmapFontPtr bitmapFont; | |||
| 273 | BitmapExtraPtr bitmapExtra; | |||
| 274 | CARD32 *bitmapsSizes; | |||
| 275 | unsigned char lineBuf[BDFLINELEN1024]; | |||
| 276 | int nencoding; | |||
| 277 | ||||
| 278 | bitmapFont = (BitmapFontPtr) pFont->fontPrivate; | |||
| 279 | bitmapExtra = (BitmapExtraPtr) bitmapFont->bitmapExtra; | |||
| 280 | ||||
| 281 | if (bitmapExtra) { | |||
| 282 | bitmapsSizes = bitmapExtra->bitmapsSizes; | |||
| 283 | for (i = 0; i < GLYPHPADOPTIONS4; i++) | |||
| 284 | bitmapsSizes[i] = 0; | |||
| 285 | } else | |||
| 286 | bitmapsSizes = NULL((void *)0); | |||
| 287 | ||||
| 288 | bzero(bdfEncoding, sizeof(bdfEncoding))__builtin___memset_chk (bdfEncoding, 0, sizeof(bdfEncoding), __builtin_object_size (bdfEncoding, 0)); | |||
| 289 | bitmapFont->metrics = NULL((void *)0); | |||
| 290 | ndx = 0; | |||
| 291 | ||||
| 292 | line = bdfGetLine(file, lineBuf, BDFLINELEN1024); | |||
| 293 | ||||
| 294 | if ((!line) || (sscanf((char *) line, "CHARS %d", &nchars) != 1)) { | |||
| 295 | bdfError("bad 'CHARS' in bdf file\n"); | |||
| 296 | return (FALSE0); | |||
| 297 | } | |||
| 298 | if (nchars < 1) { | |||
| 299 | bdfError("invalid number of CHARS in BDF file\n"); | |||
| 300 | return (FALSE0); | |||
| 301 | } | |||
| 302 | if (nchars > (signed) (INT32_MAX2147483647 / sizeof(CharInfoRec))) { | |||
| 303 | bdfError("Couldn't allocate pCI (%d*%d)\n", nchars, | |||
| 304 | (int) sizeof(CharInfoRec)); | |||
| 305 | goto BAILOUT; | |||
| 306 | } | |||
| 307 | ci = calloc(nchars, sizeof(CharInfoRec)); | |||
| 308 | if (!ci) { | |||
| 309 | bdfError("Couldn't allocate pCI (%d*%d)\n", nchars, | |||
| 310 | (int) sizeof(CharInfoRec)); | |||
| 311 | goto BAILOUT; | |||
| 312 | } | |||
| 313 | bitmapFont->metrics = ci; | |||
| 314 | ||||
| 315 | if (bitmapExtra) { | |||
| 316 | bitmapExtra->glyphNames = malloc(nchars * sizeof(Atom)); | |||
| 317 | if (!bitmapExtra->glyphNames) { | |||
| 318 | bdfError("Couldn't allocate glyphNames (%d*%d)\n", | |||
| 319 | nchars, (int) sizeof(Atom)); | |||
| 320 | goto BAILOUT; | |||
| 321 | } | |||
| 322 | } | |||
| 323 | if (bitmapExtra) { | |||
| 324 | bitmapExtra->sWidths = malloc(nchars * sizeof(int)); | |||
| 325 | if (!bitmapExtra->sWidths) { | |||
| 326 | bdfError("Couldn't allocate sWidth (%d *%d)\n", | |||
| 327 | nchars, (int) sizeof(int)); | |||
| 328 | return FALSE0; | |||
| 329 | } | |||
| 330 | } | |||
| 331 | line = bdfGetLine(file, lineBuf, BDFLINELEN1024); | |||
| 332 | pFont->info.firstRow = 256; | |||
| 333 | pFont->info.lastRow = 0; | |||
| 334 | pFont->info.firstCol = 256; | |||
| 335 | pFont->info.lastCol = 0; | |||
| 336 | nignored = 0; | |||
| 337 | for (ndx = 0; (ndx < nchars) && (line) && (bdfIsPrefix(line, "STARTCHAR")(!strncmp((char *)line,"STARTCHAR",strlen("STARTCHAR"))));) { | |||
| 338 | int t; | |||
| 339 | int wx; /* x component of width */ | |||
| 340 | int wy; /* y component of width */ | |||
| 341 | int bw; /* bounding-box width */ | |||
| 342 | int bh; /* bounding-box height */ | |||
| 343 | int bl; /* bounding-box left */ | |||
| 344 | int bb; /* bounding-box bottom */ | |||
| 345 | int enc, | |||
| 346 | enc2; /* encoding */ | |||
| 347 | unsigned char *p; /* temp pointer into line */ | |||
| 348 | char charName[100]; | |||
| 349 | int ignore; | |||
| 350 | ||||
| 351 | if (sscanf((char *) line, "STARTCHAR %99s", charName) != 1) { | |||
| 352 | bdfError("bad character name in BDF file\n"); | |||
| 353 | goto BAILOUT; /* bottom of function, free and return error */ | |||
| 354 | } | |||
| 355 | if (bitmapExtra) | |||
| 356 | bitmapExtra->glyphNames[ndx] = bdfForceMakeAtom(charName, NULL((void *)0)); | |||
| 357 | ||||
| 358 | line = bdfGetLine(file, lineBuf, BDFLINELEN1024); | |||
| 359 | if (!line || (t = sscanf((char *) line, "ENCODING %d %d", &enc, &enc2)) < 1) { | |||
| 360 | bdfError("bad 'ENCODING' in BDF file\n"); | |||
| 361 | goto BAILOUT; | |||
| 362 | } | |||
| 363 | if (enc < -1 || (t == 2 && enc2 < -1)) { | |||
| 364 | bdfError("bad ENCODING value"); | |||
| 365 | goto BAILOUT; | |||
| 366 | } | |||
| 367 | if (t == 2 && enc == -1) | |||
| 368 | enc = enc2; | |||
| 369 | ignore = 0; | |||
| 370 | if (enc == -1) { | |||
| 371 | if (!bitmapExtra) { | |||
| 372 | nignored++; | |||
| 373 | ignore = 1; | |||
| 374 | } | |||
| 375 | } else if (enc > MAXENCODING0xFFFF) { | |||
| 376 | bdfError("char '%s' has encoding too large (%d)\n", | |||
| 377 | charName, enc); | |||
| 378 | } else { | |||
| 379 | char_row = (enc >> 8) & 0xFF; | |||
| 380 | char_col = enc & 0xFF; | |||
| 381 | if (char_row < pFont->info.firstRow) | |||
| 382 | pFont->info.firstRow = char_row; | |||
| 383 | if (char_row > pFont->info.lastRow) | |||
| 384 | pFont->info.lastRow = char_row; | |||
| 385 | if (char_col < pFont->info.firstCol) | |||
| 386 | pFont->info.firstCol = char_col; | |||
| 387 | if (char_col > pFont->info.lastCol) | |||
| 388 | pFont->info.lastCol = char_col; | |||
| 389 | if (bdfEncoding[char_row] == (CharInfoPtr *) NULL((void *)0)) { | |||
| 390 | bdfEncoding[char_row] = malloc(256 * sizeof(CharInfoPtr)); | |||
| 391 | if (!bdfEncoding[char_row]) { | |||
| 392 | bdfError("Couldn't allocate row %d of encoding (%d*%d)\n", | |||
| 393 | char_row, INDICES256, (int) sizeof(CharInfoPtr)); | |||
| 394 | goto BAILOUT; | |||
| 395 | } | |||
| 396 | for (i = 0; i < 256; i++) | |||
| 397 | bdfEncoding[char_row][i] = (CharInfoPtr) NULL((void *)0); | |||
| 398 | } | |||
| 399 | if (bdfEncoding[char_row] != NULL((void *)0)) { | |||
| 400 | bdfEncoding[char_row][char_col] = ci; | |||
| 401 | numEncodedGlyphs++; | |||
| 402 | } | |||
| 403 | } | |||
| 404 | ||||
| 405 | line = bdfGetLine(file, lineBuf, BDFLINELEN1024); | |||
| 406 | if ((!line) || (sscanf((char *) line, "SWIDTH %d %d", &wx, &wy) != 2)) { | |||
| 407 | bdfError("bad 'SWIDTH'\n"); | |||
| 408 | goto BAILOUT; | |||
| 409 | } | |||
| 410 | if (wy != 0) { | |||
| 411 | bdfError("SWIDTH y value must be zero\n"); | |||
| 412 | goto BAILOUT; | |||
| 413 | } | |||
| 414 | if (bitmapExtra) | |||
| 415 | bitmapExtra->sWidths[ndx] = wx; | |||
| 416 | ||||
| 417 | /* 5/31/89 (ef) -- we should be able to ditch the character and recover */ | |||
| 418 | /* from all of these. */ | |||
| 419 | ||||
| 420 | line = bdfGetLine(file, lineBuf, BDFLINELEN1024); | |||
| 421 | if ((!line) || (sscanf((char *) line, "DWIDTH %d %d", &wx, &wy) != 2)) { | |||
| 422 | bdfError("bad 'DWIDTH'\n"); | |||
| 423 | goto BAILOUT; | |||
| 424 | } | |||
| 425 | if (wy != 0) { | |||
| 426 | bdfError("DWIDTH y value must be zero\n"); | |||
| 427 | goto BAILOUT; | |||
| 428 | } | |||
| 429 | /* xCharInfo metrics are stored as INT16 */ | |||
| 430 | if ((wx < INT16_MIN-32768) || (wx > INT16_MAX32767)) { | |||
| 431 | bdfError("character '%s' has out of range width, %d\n", | |||
| 432 | charName, wx); | |||
| 433 | goto BAILOUT; | |||
| 434 | } | |||
| 435 | line = bdfGetLine(file, lineBuf, BDFLINELEN1024); | |||
| 436 | if ((!line) || (sscanf((char *) line, "BBX %d %d %d %d", &bw, &bh, &bl, &bb) != 4)) { | |||
| 437 | bdfError("bad 'BBX'\n"); | |||
| 438 | goto BAILOUT; | |||
| 439 | } | |||
| 440 | if ((bh < 0) || (bw < 0)) { | |||
| 441 | bdfError("character '%s' has a negative sized bitmap, %dx%d\n", | |||
| 442 | charName, bw, bh); | |||
| 443 | goto BAILOUT; | |||
| 444 | } | |||
| 445 | /* xCharInfo metrics are read as int, but stored as INT16 */ | |||
| 446 | if ((bl > INT16_MAX32767) || (bl < INT16_MIN-32768) || | |||
| 447 | (bb > INT16_MAX32767) || (bb < INT16_MIN-32768) || | |||
| 448 | (bw > (INT16_MAX32767 - bl)) || (bh > (INT16_MAX32767 - bb))) { | |||
| 449 | bdfError("character '%s' has out of range metrics, %d %d %d %d\n", | |||
| 450 | charName, bl, (bl+bw), (bh+bb), -bb); | |||
| 451 | goto BAILOUT; | |||
| 452 | } | |||
| 453 | line = bdfGetLine(file, lineBuf, BDFLINELEN1024); | |||
| 454 | if ((line) && (bdfIsPrefix(line, "ATTRIBUTES")(!strncmp((char *)line,"ATTRIBUTES",strlen("ATTRIBUTES"))))) { | |||
| 455 | for (p = line + strlen("ATTRIBUTES "); | |||
| 456 | (*p == ' ') || (*p == '\t'); | |||
| 457 | p++) | |||
| 458 | /* empty for loop */ ; | |||
| 459 | ci->metrics.attributes = (bdfHexByte(p) << 8) + bdfHexByte(p + 2); | |||
| 460 | line = bdfGetLine(file, lineBuf, BDFLINELEN1024); | |||
| 461 | } else | |||
| 462 | ci->metrics.attributes = 0; | |||
| 463 | ||||
| 464 | if (!line || !bdfIsPrefix(line, "BITMAP")(!strncmp((char *)line,"BITMAP",strlen("BITMAP")))) { | |||
| 465 | bdfError("missing 'BITMAP'\n"); | |||
| 466 | goto BAILOUT; | |||
| 467 | } | |||
| 468 | /* collect data for generated properties */ | |||
| 469 | if ((strlen(charName) == 1)) { | |||
| 470 | if ((charName[0] >= '0') && (charName[0] <= '9')) { | |||
| 471 | pState->digitWidths += wx; | |||
| 472 | pState->digitCount++; | |||
| 473 | } else if (charName[0] == 'x') { | |||
| 474 | pState->exHeight = (bh + bb) <= 0 ? bh : bh + bb; | |||
| 475 | } | |||
| 476 | } | |||
| 477 | if (!ignore) { | |||
| 478 | ci->metrics.leftSideBearing = bl; | |||
| 479 | ci->metrics.rightSideBearing = bl + bw; | |||
| 480 | ci->metrics.ascent = bh + bb; | |||
| 481 | ci->metrics.descent = -bb; | |||
| 482 | ci->metrics.characterWidth = wx; | |||
| 483 | ci->bits = NULL((void *)0); | |||
| 484 | if (!bdfReadBitmap(ci, file, bit, byte, glyph, scan, bitmapsSizes)) { | |||
| 485 | bdfError("could not read bitmap for character '%s'\n", charName); | |||
| 486 | goto BAILOUT; | |||
| 487 | } | |||
| 488 | ci++; | |||
| 489 | ndx++; | |||
| 490 | } else | |||
| 491 | bdfSkipBitmap(file, bh); | |||
| 492 | ||||
| 493 | line = bdfGetLine(file, lineBuf, BDFLINELEN1024); /* get STARTCHAR or | |||
| 494 | * ENDFONT */ | |||
| 495 | } | |||
| 496 | ||||
| 497 | if (ndx + nignored != nchars) { | |||
| 498 | bdfError("%d too few characters\n", nchars - (ndx + nignored)); | |||
| 499 | goto BAILOUT; | |||
| 500 | } | |||
| 501 | nchars = ndx; | |||
| 502 | bitmapFont->num_chars = nchars; | |||
| 503 | if ((line) && (bdfIsPrefix(line, "STARTCHAR")(!strncmp((char *)line,"STARTCHAR",strlen("STARTCHAR"))))) { | |||
| 504 | bdfError("more characters than specified\n"); | |||
| 505 | goto BAILOUT; | |||
| 506 | } | |||
| 507 | if ((!line) || (!bdfIsPrefix(line, "ENDFONT")(!strncmp((char *)line,"ENDFONT",strlen("ENDFONT"))))) { | |||
| 508 | bdfError("missing 'ENDFONT'\n"); | |||
| 509 | goto BAILOUT; | |||
| 510 | } | |||
| 511 | if (numEncodedGlyphs == 0) | |||
| 512 | bdfWarning("No characters with valid encodings\n"); | |||
| 513 | ||||
| 514 | nencoding = (pFont->info.lastRow - pFont->info.firstRow + 1) * | |||
| 515 | (pFont->info.lastCol - pFont->info.firstCol + 1); | |||
| 516 | bitmapFont->encoding = calloc(NUM_SEGMENTS(nencoding)(((nencoding)+128 -1)/128),sizeof(CharInfoPtr*)); | |||
| 517 | if (!bitmapFont->encoding) { | |||
| 518 | bdfError("Couldn't allocate ppCI (%d,%d)\n", | |||
| 519 | NUM_SEGMENTS(nencoding)(((nencoding)+128 -1)/128), | |||
| 520 | (int) sizeof(CharInfoPtr*)); | |||
| 521 | goto BAILOUT; | |||
| 522 | } | |||
| 523 | pFont->info.allExist = TRUE1; | |||
| 524 | i = 0; | |||
| 525 | for (char_row = pFont->info.firstRow; | |||
| 526 | char_row <= pFont->info.lastRow; | |||
| 527 | char_row++) { | |||
| 528 | if (bdfEncoding[char_row] == (CharInfoPtr *) NULL((void *)0)) { | |||
| 529 | pFont->info.allExist = FALSE0; | |||
| 530 | i += pFont->info.lastCol - pFont->info.firstCol + 1; | |||
| 531 | } else { | |||
| 532 | for (char_col = pFont->info.firstCol; | |||
| 533 | char_col <= pFont->info.lastCol; | |||
| 534 | char_col++) { | |||
| 535 | if (!bdfEncoding[char_row][char_col]) | |||
| 536 | pFont->info.allExist = FALSE0; | |||
| 537 | else { | |||
| 538 | if (!bitmapFont->encoding[SEGMENT_MAJOR(i)((i)/128)]) { | |||
| 539 | bitmapFont->encoding[SEGMENT_MAJOR(i)((i)/128)]= | |||
| 540 | calloc(BITMAP_FONT_SEGMENT_SIZE128, | |||
| 541 | sizeof(CharInfoPtr)); | |||
| 542 | if (!bitmapFont->encoding[SEGMENT_MAJOR(i)((i)/128)]) | |||
| 543 | goto BAILOUT; | |||
| 544 | } | |||
| 545 | ACCESSENCODINGL(bitmapFont->encoding,i)(bitmapFont->encoding[(i)/128][(i)%128]) = | |||
| 546 | bdfEncoding[char_row][char_col]; | |||
| 547 | } | |||
| 548 | i++; | |||
| 549 | } | |||
| 550 | } | |||
| 551 | } | |||
| 552 | for (i = 0; i < 256; i++) | |||
| 553 | if (bdfEncoding[i]) | |||
| 554 | free(bdfEncoding[i]); | |||
| 555 | return (TRUE1); | |||
| 556 | BAILOUT: | |||
| 557 | for (i = 0; i < 256; i++) | |||
| 558 | if (bdfEncoding[i]) | |||
| 559 | free(bdfEncoding[i]); | |||
| 560 | /* bdfFreeFontBits will clean up the rest */ | |||
| 561 | return (FALSE0); | |||
| 562 | } | |||
| 563 | ||||
| 564 | /***====================================================================***/ | |||
| 565 | ||||
| 566 | static Bool | |||
| 567 | bdfReadHeader(FontFilePtr file, bdfFileState *pState) | |||
| 568 | { | |||
| 569 | unsigned char *line; | |||
| 570 | char namebuf[BDFLINELEN1024]; | |||
| 571 | unsigned char lineBuf[BDFLINELEN1024]; | |||
| 572 | ||||
| 573 | line = bdfGetLine(file, lineBuf, BDFLINELEN1024); | |||
| 574 | if (!line || | |||
| 575 | sscanf((char *) line, "STARTFONT " BDFLINESTR"%1023s", namebuf) != 1 || | |||
| 576 | !bdfStrEqual(namebuf, "2.1")(!strcmp(namebuf,"2.1"))) { | |||
| 577 | bdfError("bad 'STARTFONT'\n"); | |||
| 578 | return (FALSE0); | |||
| 579 | } | |||
| 580 | line = bdfGetLine(file, lineBuf, BDFLINELEN1024); | |||
| 581 | #if MAXFONTNAMELEN1024 != 1024 | |||
| 582 | # error "need to adjust sscanf length limit to be MAXFONTNAMELEN - 1" | |||
| 583 | #endif | |||
| 584 | if (!line || | |||
| 585 | sscanf((char *) line, "FONT %1023[^\n]", pState->fontName) != 1) { | |||
| 586 | bdfError("bad 'FONT'\n"); | |||
| 587 | return (FALSE0); | |||
| 588 | } | |||
| 589 | line = bdfGetLine(file, lineBuf, BDFLINELEN1024); | |||
| 590 | if (!line || !bdfIsPrefix(line, "SIZE")(!strncmp((char *)line,"SIZE",strlen("SIZE")))) { | |||
| 591 | bdfError("missing 'SIZE'\n"); | |||
| 592 | return (FALSE0); | |||
| 593 | } | |||
| 594 | if (sscanf((char *) line, "SIZE %f%d%d", &pState->pointSize, | |||
| 595 | &pState->resolution_x, &pState->resolution_y) != 3) { | |||
| 596 | bdfError("bad 'SIZE'\n"); | |||
| 597 | return (FALSE0); | |||
| 598 | } | |||
| 599 | if (pState->pointSize < 1 || | |||
| 600 | pState->resolution_x < 1 || pState->resolution_y < 1) { | |||
| 601 | bdfError("SIZE values must be > 0\n"); | |||
| 602 | return (FALSE0); | |||
| 603 | } | |||
| 604 | line = bdfGetLine(file, lineBuf, BDFLINELEN1024); | |||
| 605 | if (!line || !bdfIsPrefix(line, "FONTBOUNDINGBOX")(!strncmp((char *)line,"FONTBOUNDINGBOX",strlen("FONTBOUNDINGBOX" )))) { | |||
| 606 | bdfError("missing 'FONTBOUNDINGBOX'\n"); | |||
| 607 | return (FALSE0); | |||
| 608 | } | |||
| 609 | return (TRUE1); | |||
| 610 | } | |||
| 611 | ||||
| 612 | /***====================================================================***/ | |||
| 613 | ||||
| 614 | static Bool | |||
| 615 | bdfReadProperties(FontFilePtr file, FontPtr pFont, bdfFileState *pState) | |||
| 616 | { | |||
| 617 | int nProps, props_left, | |||
| 618 | nextProp; | |||
| 619 | char *stringProps; | |||
| 620 | FontPropPtr props; | |||
| 621 | char namebuf[BDFLINELEN1024], | |||
| 622 | secondbuf[BDFLINELEN1024], | |||
| 623 | thirdbuf[BDFLINELEN1024]; | |||
| 624 | unsigned char *line; | |||
| 625 | unsigned char lineBuf[BDFLINELEN1024]; | |||
| 626 | BitmapFontPtr bitmapFont = (BitmapFontPtr) pFont->fontPrivate; | |||
| 627 | ||||
| 628 | line = bdfGetLine(file, lineBuf, BDFLINELEN1024); | |||
| 629 | if (!line || !bdfIsPrefix(line, "STARTPROPERTIES")(!strncmp((char *)line,"STARTPROPERTIES",strlen("STARTPROPERTIES" )))) { | |||
| 630 | bdfError("missing 'STARTPROPERTIES'\n"); | |||
| 631 | return (FALSE0); | |||
| 632 | } | |||
| 633 | if ((sscanf((char *) line, "STARTPROPERTIES %d", &nProps) != 1) || | |||
| 634 | (nProps <= 0) || | |||
| 635 | (nProps > (signed) ((INT32_MAX2147483647 / sizeof(FontPropRec)) - BDF_GENPROPS6))) { | |||
| 636 | bdfError("bad 'STARTPROPERTIES'\n"); | |||
| 637 | return (FALSE0); | |||
| 638 | } | |||
| 639 | pFont->info.isStringProp = NULL((void *)0); | |||
| 640 | pFont->info.props = NULL((void *)0); | |||
| 641 | pFont->info.nprops = 0; | |||
| 642 | ||||
| 643 | stringProps = malloc((nProps + BDF_GENPROPS6) * sizeof(char)); | |||
| 644 | pFont->info.isStringProp = stringProps; | |||
| 645 | if (stringProps == NULL((void *)0)) { | |||
| 646 | bdfError("Couldn't allocate stringProps (%d*%d)\n", | |||
| 647 | (nProps + BDF_GENPROPS6), (int) sizeof(Bool)); | |||
| 648 | goto BAILOUT; | |||
| 649 | } | |||
| 650 | pFont->info.props = props = calloc(nProps + BDF_GENPROPS6, | |||
| 651 | sizeof(FontPropRec)); | |||
| 652 | if (props == NULL((void *)0)) { | |||
| 653 | bdfError("Couldn't allocate props (%d*%d)\n", nProps + BDF_GENPROPS6, | |||
| 654 | (int) sizeof(FontPropRec)); | |||
| 655 | goto BAILOUT; | |||
| 656 | } | |||
| 657 | ||||
| 658 | nextProp = 0; | |||
| 659 | props_left = nProps; | |||
| 660 | while (props_left-- > 0) { | |||
| 661 | line = bdfGetLine(file, lineBuf, BDFLINELEN1024); | |||
| 662 | if (line == NULL((void *)0) || bdfIsPrefix(line, "ENDPROPERTIES")(!strncmp((char *)line,"ENDPROPERTIES",strlen("ENDPROPERTIES" )))) { | |||
| 663 | bdfError("\"STARTPROPERTIES %d\" followed by only %d properties\n", | |||
| 664 | nProps, nProps - props_left - 1); | |||
| 665 | goto BAILOUT; | |||
| 666 | } | |||
| 667 | while (*line && isspace(*line)) | |||
| 668 | line++; | |||
| 669 | ||||
| 670 | switch (sscanf((char *) line, | |||
| 671 | BDFLINESTR"%1023s" BDFLINESTR"%1023s" BDFLINESTR"%1023s", | |||
| 672 | namebuf, secondbuf, thirdbuf)) { | |||
| 673 | default: | |||
| 674 | bdfError("missing '%s' parameter value\n", namebuf); | |||
| 675 | goto BAILOUT; | |||
| 676 | ||||
| 677 | case 2: | |||
| 678 | /* | |||
| 679 | * Possibilites include: valid quoted string with no white space | |||
| 680 | * valid integer value invalid value | |||
| 681 | */ | |||
| 682 | if (secondbuf[0] == '"') { | |||
| 683 | stringProps[nextProp] = TRUE1; | |||
| 684 | props[nextProp].value = | |||
| 685 | bdfGetPropertyValue((char *)line + strlen(namebuf) + 1); | |||
| 686 | if (!props[nextProp].value) | |||
| 687 | goto BAILOUT; | |||
| 688 | break; | |||
| 689 | } else if (bdfIsInteger(secondbuf)) { | |||
| 690 | stringProps[nextProp] = FALSE0; | |||
| 691 | props[nextProp].value = atoi(secondbuf); | |||
| 692 | break; | |||
| 693 | } else { | |||
| 694 | bdfError("invalid '%s' parameter value\n", namebuf); | |||
| 695 | goto BAILOUT; | |||
| 696 | } | |||
| 697 | ||||
| 698 | case 3: | |||
| 699 | /* | |||
| 700 | * Possibilites include: valid quoted string with some white space | |||
| 701 | * invalid value (reject even if second string is integer) | |||
| 702 | */ | |||
| 703 | if (secondbuf[0] == '"') { | |||
| 704 | stringProps[nextProp] = TRUE1; | |||
| 705 | props[nextProp].value = | |||
| 706 | bdfGetPropertyValue((char *)line + strlen(namebuf) + 1); | |||
| 707 | if (!props[nextProp].value) | |||
| 708 | goto BAILOUT; | |||
| 709 | break; | |||
| 710 | } else { | |||
| 711 | bdfError("invalid '%s' parameter value\n", namebuf); | |||
| 712 | goto BAILOUT; | |||
| 713 | } | |||
| 714 | } | |||
| 715 | props[nextProp].name = bdfForceMakeAtom(namebuf, NULL((void *)0)); | |||
| 716 | if (props[nextProp].name == None0L) { | |||
| 717 | bdfError("Empty property name.\n"); | |||
| 718 | goto BAILOUT; | |||
| 719 | } | |||
| 720 | if (!bdfSpecialProperty(pFont, &props[nextProp], | |||
| 721 | stringProps[nextProp], pState)) | |||
| 722 | nextProp++; | |||
| 723 | } | |||
| 724 | ||||
| 725 | line = bdfGetLine(file, lineBuf, BDFLINELEN1024); | |||
| 726 | if (!line || !bdfIsPrefix(line, "ENDPROPERTIES")(!strncmp((char *)line,"ENDPROPERTIES",strlen("ENDPROPERTIES" )))) { | |||
| 727 | bdfError("missing 'ENDPROPERTIES'\n"); | |||
| 728 | goto BAILOUT; | |||
| 729 | } | |||
| 730 | if (!pState->haveFontAscent || !pState->haveFontDescent) { | |||
| 731 | bdfError("missing 'FONT_ASCENT' or 'FONT_DESCENT' properties\n"); | |||
| 732 | goto BAILOUT; | |||
| 733 | } | |||
| 734 | if (bitmapFont->bitmapExtra) { | |||
| 735 | bitmapFont->bitmapExtra->info.fontAscent = pFont->info.fontAscent; | |||
| 736 | bitmapFont->bitmapExtra->info.fontDescent = pFont->info.fontDescent; | |||
| 737 | } | |||
| 738 | if (!pState->pointSizeProp) { | |||
| 739 | props[nextProp].name = bdfForceMakeAtom("POINT_SIZE", NULL((void *)0)); | |||
| 740 | props[nextProp].value = (INT32) (pState->pointSize * 10.0); | |||
| 741 | stringProps[nextProp] = FALSE0; | |||
| 742 | pState->pointSizeProp = &props[nextProp]; | |||
| 743 | nextProp++; | |||
| 744 | } | |||
| 745 | if (!pState->fontProp) { | |||
| 746 | props[nextProp].name = bdfForceMakeAtom("FONT", NULL((void *)0)); | |||
| 747 | props[nextProp].value = (INT32) bdfForceMakeAtom(pState->fontName, NULL((void *)0)); | |||
| 748 | stringProps[nextProp] = TRUE1; | |||
| 749 | pState->fontProp = &props[nextProp]; | |||
| 750 | nextProp++; | |||
| 751 | } | |||
| 752 | if (!pState->weightProp) { | |||
| 753 | props[nextProp].name = bdfForceMakeAtom("WEIGHT", NULL((void *)0)); | |||
| 754 | props[nextProp].value = -1; /* computed later */ | |||
| 755 | stringProps[nextProp] = FALSE0; | |||
| 756 | pState->weightProp = &props[nextProp]; | |||
| 757 | nextProp++; | |||
| 758 | } | |||
| 759 | if (!pState->resolutionProp && | |||
| 760 | pState->resolution_x == pState->resolution_y) { | |||
| 761 | props[nextProp].name = bdfForceMakeAtom("RESOLUTION", NULL((void *)0)); | |||
| 762 | props[nextProp].value = (INT32) ((pState->resolution_x * 100.0) / 72.27); | |||
| 763 | stringProps[nextProp] = FALSE0; | |||
| 764 | pState->resolutionProp = &props[nextProp]; | |||
| 765 | nextProp++; | |||
| 766 | } | |||
| 767 | if (!pState->resolutionXProp) { | |||
| 768 | props[nextProp].name = bdfForceMakeAtom("RESOLUTION_X", NULL((void *)0)); | |||
| 769 | props[nextProp].value = (INT32) pState->resolution_x; | |||
| 770 | stringProps[nextProp] = FALSE0; | |||
| 771 | pState->resolutionProp = &props[nextProp]; | |||
| 772 | nextProp++; | |||
| 773 | } | |||
| 774 | if (!pState->resolutionYProp) { | |||
| 775 | props[nextProp].name = bdfForceMakeAtom("RESOLUTION_Y", NULL((void *)0)); | |||
| 776 | props[nextProp].value = (INT32) pState->resolution_y; | |||
| 777 | stringProps[nextProp] = FALSE0; | |||
| 778 | pState->resolutionProp = &props[nextProp]; | |||
| 779 | nextProp++; | |||
| 780 | } | |||
| 781 | if (!pState->xHeightProp) { | |||
| 782 | props[nextProp].name = bdfForceMakeAtom("X_HEIGHT", NULL((void *)0)); | |||
| 783 | props[nextProp].value = -1; /* computed later */ | |||
| 784 | stringProps[nextProp] = FALSE0; | |||
| 785 | pState->xHeightProp = &props[nextProp]; | |||
| 786 | nextProp++; | |||
| 787 | } | |||
| 788 | if (!pState->quadWidthProp) { | |||
| 789 | props[nextProp].name = bdfForceMakeAtom("QUAD_WIDTH", NULL((void *)0)); | |||
| 790 | props[nextProp].value = -1; /* computed later */ | |||
| 791 | stringProps[nextProp] = FALSE0; | |||
| 792 | pState->quadWidthProp = &props[nextProp]; | |||
| 793 | nextProp++; | |||
| 794 | } | |||
| 795 | pFont->info.nprops = nextProp; | |||
| 796 | return (TRUE1); | |||
| 797 | BAILOUT: | |||
| 798 | if (pFont->info.isStringProp) { | |||
| 799 | free(pFont->info.isStringProp); | |||
| 800 | pFont->info.isStringProp = NULL((void *)0); | |||
| 801 | } | |||
| 802 | if (pFont->info.props) { | |||
| 803 | free(pFont->info.props); | |||
| 804 | pFont->info.props = NULL((void *)0); | |||
| 805 | } | |||
| 806 | while (line && bdfIsPrefix(line, "ENDPROPERTIES")(!strncmp((char *)line,"ENDPROPERTIES",strlen("ENDPROPERTIES" )))) | |||
| 807 | line = bdfGetLine(file, lineBuf, BDFLINELEN1024); | |||
| 808 | return (FALSE0); | |||
| 809 | } | |||
| 810 | ||||
| 811 | /***====================================================================***/ | |||
| 812 | ||||
| 813 | static void | |||
| 814 | bdfUnloadFont(FontPtr pFont) | |||
| 815 | { | |||
| 816 | bdfFreeFontBits (pFont); | |||
| 817 | DestroyFontRec(pFont); | |||
| 818 | } | |||
| 819 | ||||
| 820 | int | |||
| 821 | bdfReadFont(FontPtr pFont, FontFilePtr file, | |||
| 822 | int bit, int byte, int glyph, int scan) | |||
| 823 | { | |||
| 824 | bdfFileState state; | |||
| 825 | xCharInfo *min, | |||
| 826 | *max; | |||
| 827 | BitmapFontPtr bitmapFont; | |||
| 828 | ||||
| 829 | pFont->fontPrivate = 0; | |||
| 830 | ||||
| 831 | bzero(&state, sizeof(bdfFileState))__builtin___memset_chk (&state, 0, sizeof(bdfFileState), __builtin_object_size (&state, 0)); | |||
| 832 | bdfFileLineNum = 0; | |||
| 833 | ||||
| 834 | if (!bdfReadHeader(file, &state)) | |||
| 835 | goto BAILOUT; | |||
| 836 | ||||
| 837 | bitmapFont = calloc(1, sizeof(BitmapFontRec)); | |||
| 838 | if (!bitmapFont) { | |||
| 839 | bdfError("Couldn't allocate bitmapFontRec (%d)\n", | |||
| 840 | (int) sizeof(BitmapFontRec)); | |||
| 841 | goto BAILOUT; | |||
| 842 | } | |||
| 843 | ||||
| 844 | pFont->fontPrivate = (pointer) bitmapFont; | |||
| 845 | bitmapFont->metrics = 0; | |||
| 846 | bitmapFont->ink_metrics = 0; | |||
| 847 | bitmapFont->bitmaps = 0; | |||
| 848 | bitmapFont->encoding = 0; | |||
| 849 | bitmapFont->pDefault = NULL((void *)0); | |||
| 850 | ||||
| 851 | bitmapFont->bitmapExtra = calloc(1, sizeof(BitmapExtraRec)); | |||
| 852 | if (!bitmapFont->bitmapExtra) { | |||
| 853 | bdfError("Couldn't allocate bitmapExtra (%d)\n", | |||
| 854 | (int) sizeof(BitmapExtraRec)); | |||
| 855 | goto BAILOUT; | |||
| 856 | } | |||
| 857 | ||||
| 858 | bitmapFont->bitmapExtra->glyphNames = 0; | |||
| 859 | bitmapFont->bitmapExtra->sWidths = 0; | |||
| 860 | ||||
| 861 | if (!bdfReadProperties(file, pFont, &state)) | |||
| 862 | goto BAILOUT; | |||
| 863 | ||||
| 864 | if (!bdfReadCharacters(file, pFont, &state, bit, byte, glyph, scan)) | |||
| 865 | goto BAILOUT; | |||
| 866 | ||||
| 867 | if (state.haveDefaultCh) { | |||
| 868 | unsigned int r, c, cols; | |||
| 869 | ||||
| 870 | r = pFont->info.defaultCh >> 8; | |||
| 871 | c = pFont->info.defaultCh & 0xFF; | |||
| 872 | if (pFont->info.firstRow <= r && r <= pFont->info.lastRow && | |||
| 873 | pFont->info.firstCol <= c && c <= pFont->info.lastCol) { | |||
| 874 | cols = pFont->info.lastCol - pFont->info.firstCol + 1; | |||
| 875 | r = r - pFont->info.firstRow; | |||
| 876 | c = c - pFont->info.firstCol; | |||
| 877 | bitmapFont->pDefault = ACCESSENCODING(bitmapFont->encoding,(bitmapFont->encoding[(r * cols + c)/128]?(bitmapFont-> encoding[(r * cols + c)/128][(r * cols + c)%128]):0) | |||
| 878 | r * cols + c)(bitmapFont->encoding[(r * cols + c)/128]?(bitmapFont-> encoding[(r * cols + c)/128][(r * cols + c)%128]):0); | |||
| 879 | } | |||
| 880 | } | |||
| 881 | pFont->bit = bit; | |||
| 882 | pFont->byte = byte; | |||
| 883 | pFont->glyph = glyph; | |||
| 884 | pFont->scan = scan; | |||
| 885 | pFont->info.anamorphic = FALSE0; | |||
| 886 | pFont->info.cachable = TRUE1; | |||
| 887 | bitmapComputeFontBounds(pFont); | |||
| 888 | if (FontCouldBeTerminal(&pFont->info)) { | |||
| 889 | bdfPadToTerminal(pFont); | |||
| 890 | bitmapComputeFontBounds(pFont); | |||
| 891 | } | |||
| 892 | FontComputeInfoAccelerators(&pFont->info); | |||
| 893 | if (bitmapFont->bitmapExtra) | |||
| 894 | FontComputeInfoAccelerators(&bitmapFont->bitmapExtra->info); | |||
| 895 | if (pFont->info.constantMetrics) { | |||
| 896 | if (!bitmapAddInkMetrics(pFont)) { | |||
| 897 | bdfError("Failed to add bitmap ink metrics\n"); | |||
| 898 | goto BAILOUT; | |||
| 899 | } | |||
| 900 | } | |||
| 901 | if (bitmapFont->bitmapExtra) | |||
| 902 | bitmapFont->bitmapExtra->info.inkMetrics = pFont->info.inkMetrics; | |||
| 903 | ||||
| 904 | bitmapComputeFontInkBounds(pFont); | |||
| 905 | /* ComputeFontAccelerators (pFont); */ | |||
| 906 | ||||
| 907 | /* generate properties */ | |||
| 908 | min = &pFont->info.ink_minbounds; | |||
| 909 | max = &pFont->info.ink_maxbounds; | |||
| 910 | if (state.xHeightProp && (state.xHeightProp->value == -1)) | |||
| 911 | state.xHeightProp->value = state.exHeight ? | |||
| 912 | state.exHeight : min->ascent; | |||
| 913 | ||||
| 914 | if (state.quadWidthProp && (state.quadWidthProp->value == -1)) | |||
| 915 | state.quadWidthProp->value = state.digitCount ? | |||
| 916 | (INT32) (state.digitWidths / state.digitCount) : | |||
| 917 | (min->characterWidth + max->characterWidth) / 2; | |||
| 918 | ||||
| 919 | if (state.weightProp && (state.weightProp->value == -1)) | |||
| 920 | state.weightProp->value = bitmapComputeWeight(pFont); | |||
| 921 | ||||
| 922 | pFont->get_glyphs = bitmapGetGlyphs; | |||
| 923 | pFont->get_metrics = bitmapGetMetrics; | |||
| 924 | pFont->unload_font = bdfUnloadFont; | |||
| 925 | pFont->unload_glyphs = NULL((void *)0); | |||
| 926 | return Successful85; | |||
| 927 | BAILOUT: | |||
| 928 | if (pFont->fontPrivate) | |||
| 929 | bdfFreeFontBits (pFont); | |||
| 930 | return AllocError80; | |||
| 931 | } | |||
| 932 | ||||
| 933 | int | |||
| 934 | bdfReadFontInfo(FontInfoPtr pFontInfo, FontFilePtr file) | |||
| 935 | { | |||
| 936 | FontRec font; | |||
| 937 | int ret; | |||
| 938 | ||||
| 939 | bzero(&font, sizeof (FontRec))__builtin___memset_chk (&font, 0, sizeof (FontRec), __builtin_object_size (&font, 0)); | |||
| 940 | ||||
| 941 | ret = bdfReadFont(&font, file, MSBFirst1, LSBFirst0, 1, 1); | |||
| 942 | if (ret == Successful85) { | |||
| 943 | *pFontInfo = font.info; | |||
| 944 | font.info.props = 0; | |||
| 945 | font.info.isStringProp = 0; | |||
| 946 | font.info.nprops = 0; | |||
| 947 | bdfFreeFontBits (&font); | |||
| 948 | } | |||
| 949 | return ret; | |||
| 950 | } | |||
| 951 | ||||
| 952 | static Bool | |||
| 953 | bdfPadToTerminal(FontPtr pFont) | |||
| 954 | { | |||
| 955 | BitmapFontPtr bitmapFont; | |||
| 956 | BitmapExtraPtr bitmapExtra; | |||
| 957 | int i; | |||
| 958 | int new_size; | |||
| 959 | CharInfoRec new; | |||
| 960 | int w, | |||
| 961 | h; | |||
| 962 | ||||
| 963 | bitmapFont = (BitmapFontPtr) pFont->fontPrivate; | |||
| 964 | ||||
| 965 | bzero(&new, sizeof(CharInfoRec))__builtin___memset_chk (&new, 0, sizeof(CharInfoRec), __builtin_object_size (&new, 0)); | |||
| 966 | new.metrics.ascent = pFont->info.fontAscent; | |||
| 967 | new.metrics.descent = pFont->info.fontDescent; | |||
| 968 | new.metrics.leftSideBearing = 0; | |||
| 969 | new.metrics.rightSideBearing = pFont->info.minbounds.characterWidth; | |||
| 970 | new.metrics.characterWidth = new.metrics.rightSideBearing; | |||
| 971 | 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)); | |||
| 972 | ||||
| 973 | for (i = 0; i < bitmapFont->num_chars; i++) { | |||
| 974 | new.bits = malloc(new_size); | |||
| 975 | if (!new.bits) { | |||
| 976 | bdfError("Couldn't allocate bits (%d)\n", new_size); | |||
| 977 | return FALSE0; | |||
| 978 | } | |||
| 979 | FontCharReshape(pFont, &bitmapFont->metrics[i], &new); | |||
| 980 | new.metrics.attributes = bitmapFont->metrics[i].metrics.attributes; | |||
| 981 | free(bitmapFont->metrics[i].bits); | |||
| 982 | bitmapFont->metrics[i] = new; | |||
| 983 | } | |||
| 984 | bitmapExtra = bitmapFont->bitmapExtra; | |||
| 985 | if (bitmapExtra) { | |||
| 986 | w = GLYPHWIDTHPIXELS(&new)((&new)->metrics.rightSideBearing - (&new)->metrics .leftSideBearing); | |||
| 987 | h = GLYPHHEIGHTPIXELS(&new)((&new)->metrics.ascent + (&new)->metrics.descent ); | |||
| 988 | for (i = 0; i < GLYPHPADOPTIONS4; i++) | |||
| 989 | bitmapExtra->bitmapsSizes[i] = bitmapFont->num_chars * | |||
| 990 | (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); | |||
| 991 | } | |||
| 992 | return TRUE1; | |||
| 993 | } |