| File: | bitmap/bitscale.c |
| Location: | line 1013, column 5 |
| Description: | Value stored to 'pci' is never read |
| 1 | /* |
| 2 | |
| 3 | Copyright 1991, 1994, 1998 The Open Group |
| 4 | |
| 5 | Permission to use, copy, modify, distribute, and sell this software and its |
| 6 | documentation for any purpose is hereby granted without fee, provided that |
| 7 | the above copyright notice appear in all copies and that both that |
| 8 | copyright notice and this permission notice appear in supporting |
| 9 | documentation. |
| 10 | |
| 11 | The above copyright notice and this permission notice shall be included |
| 12 | in all copies or substantial portions of the Software. |
| 13 | |
| 14 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
| 15 | OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 16 | MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
| 17 | IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR |
| 18 | OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
| 19 | ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
| 20 | OTHER DEALINGS IN THE SOFTWARE. |
| 21 | |
| 22 | Except as contained in this notice, the name of The Open Group shall |
| 23 | not be used in advertising or otherwise to promote the sale, use or |
| 24 | other dealings in this Software without prior written authorization |
| 25 | from The Open Group. |
| 26 | |
| 27 | */ |
| 28 | |
| 29 | /* |
| 30 | * Author: Keith Packard, MIT X Consortium |
| 31 | */ |
| 32 | |
| 33 | #ifdef HAVE_CONFIG_H1 |
| 34 | #include <config.h> |
| 35 | #endif |
| 36 | |
| 37 | #include <X11/fonts/fntfilst.h> |
| 38 | #include <X11/fonts/bitmap.h> |
| 39 | #include <X11/fonts/fontutil.h> |
| 40 | #include <math.h> |
| 41 | |
| 42 | #ifndef MAX |
| 43 | #define MAX(a,b)(((a)>(b)) ? a : b) (((a)>(b)) ? a : b) |
| 44 | #endif |
| 45 | |
| 46 | /* Should get this from elsewhere */ |
| 47 | extern unsigned long __GetServerGeneration(void); |
| 48 | |
| 49 | static void bitmapUnloadScalable (FontPtr pFont); |
| 50 | static void ScaleBitmap ( FontPtr pFont, CharInfoPtr opci, |
| 51 | CharInfoPtr pci, double *inv_xform, |
| 52 | double widthMult, double heightMult ); |
| 53 | static FontPtr BitmapScaleBitmaps(FontPtr pf, FontPtr opf, |
| 54 | double widthMult, double heightMult, |
| 55 | FontScalablePtr vals); |
| 56 | |
| 57 | enum scaleType { |
| 58 | atom, truncate_atom, pixel_size, point_size, resolution_x, |
| 59 | resolution_y, average_width, scaledX, scaledY, unscaled, fontname, |
| 60 | raw_ascent, raw_descent, raw_pixelsize, raw_pointsize, |
| 61 | raw_average_width, uncomputed |
| 62 | }; |
| 63 | |
| 64 | typedef struct _fontProp { |
| 65 | const char *name; |
| 66 | Atom atom; |
| 67 | enum scaleType type; |
| 68 | } fontProp; |
| 69 | |
| 70 | static FontEntryPtr FindBestToScale ( FontPathElementPtr fpe, |
| 71 | FontEntryPtr entry, |
| 72 | FontScalablePtr vals, |
| 73 | FontScalablePtr best, |
| 74 | double *dxp, double *dyp, |
| 75 | double *sdxp, double *sdyp, |
| 76 | FontPathElementPtr *fpep ); |
| 77 | |
| 78 | static unsigned long bitscaleGeneration = 0; /* initialization flag */ |
| 79 | |
| 80 | static fontProp fontNamePropTable[] = { |
| 81 | { "FOUNDRY", 0, atom }, |
| 82 | { "FAMILY_NAME", 0, atom }, |
| 83 | { "WEIGHT_NAME", 0, atom }, |
| 84 | { "SLANT", 0, atom }, |
| 85 | { "SETWIDTH_NAME", 0, atom }, |
| 86 | { "ADD_STYLE_NAME", 0, atom }, |
| 87 | { "PIXEL_SIZE", 0, pixel_size }, |
| 88 | { "POINT_SIZE", 0, point_size }, |
| 89 | { "RESOLUTION_X", 0, resolution_x }, |
| 90 | { "RESOLUTION_Y", 0, resolution_y }, |
| 91 | { "SPACING", 0, atom }, |
| 92 | { "AVERAGE_WIDTH", 0, average_width }, |
| 93 | { "CHARSET_REGISTRY", 0, atom }, |
| 94 | { "CHARSET_ENCODING", 0, truncate_atom }, |
| 95 | { "FONT", 0, fontname }, |
| 96 | { "RAW_ASCENT", 0, raw_ascent }, |
| 97 | { "RAW_DESCENT", 0, raw_descent }, |
| 98 | { "RAW_PIXEL_SIZE", 0, raw_pixelsize }, |
| 99 | { "RAW_POINT_SIZE", 0, raw_pointsize }, |
| 100 | { "RAW_AVERAGE_WIDTH", 0, raw_average_width } |
| 101 | }; |
| 102 | |
| 103 | #define TRANSFORM_POINT(matrix, x, y, dest)((dest)[0] = (matrix)[0] * (x) + (matrix)[2] * (y), (dest)[1] = (matrix)[1] * (x) + (matrix)[3] * (y)) \ |
| 104 | ((dest)[0] = (matrix)[0] * (x) + (matrix)[2] * (y), \ |
| 105 | (dest)[1] = (matrix)[1] * (x) + (matrix)[3] * (y)) |
| 106 | |
| 107 | #define CHECK_EXTENT(lsb, rsb, desc, asc, data)((lsb) > (data)[0] ? (lsb) = (data)[0] : 0 , (rsb) < (data )[0] ? (rsb) = (data)[0] : 0, (-desc) > (data)[1] ? (desc) = -(data)[1] : 0 , (asc) < (data)[1] ? (asc) = (data)[1] : 0) \ |
| 108 | ((lsb) > (data)[0] ? (lsb) = (data)[0] : 0 , \ |
| 109 | (rsb) < (data)[0] ? (rsb) = (data)[0] : 0, \ |
| 110 | (-desc) > (data)[1] ? (desc) = -(data)[1] : 0 , \ |
| 111 | (asc) < (data)[1] ? (asc) = (data)[1] : 0) |
| 112 | |
| 113 | #define NPROPS(sizeof(fontNamePropTable) / sizeof(fontProp)) (sizeof(fontNamePropTable) / sizeof(fontProp)) |
| 114 | |
| 115 | /* Warning: order of the next two tables is critically interdependent. |
| 116 | Location of "unscaled" properties at the end of fontPropTable[] |
| 117 | is important. */ |
| 118 | |
| 119 | static fontProp fontPropTable[] = { |
| 120 | { "MIN_SPACE", 0, scaledX }, |
| 121 | { "NORM_SPACE", 0, scaledX }, |
| 122 | { "MAX_SPACE", 0, scaledX }, |
| 123 | { "END_SPACE", 0, scaledX }, |
| 124 | { "AVG_CAPITAL_WIDTH", 0, scaledX }, |
| 125 | { "AVG_LOWERCASE_WIDTH", 0, scaledX }, |
| 126 | { "QUAD_WIDTH", 0, scaledX }, |
| 127 | { "FIGURE_WIDTH", 0, scaledX }, |
| 128 | { "SUPERSCRIPT_X", 0, scaledX }, |
| 129 | { "SUPERSCRIPT_Y", 0, scaledY }, |
| 130 | { "SUBSCRIPT_X", 0, scaledX }, |
| 131 | { "SUBSCRIPT_Y", 0, scaledY }, |
| 132 | { "SUPERSCRIPT_SIZE", 0, scaledY }, |
| 133 | { "SUBSCRIPT_SIZE", 0, scaledY }, |
| 134 | { "SMALL_CAP_SIZE", 0, scaledY }, |
| 135 | { "UNDERLINE_POSITION", 0, scaledY }, |
| 136 | { "UNDERLINE_THICKNESS", 0, scaledY }, |
| 137 | { "STRIKEOUT_ASCENT", 0, scaledY }, |
| 138 | { "STRIKEOUT_DESCENT", 0, scaledY }, |
| 139 | { "CAP_HEIGHT", 0, scaledY }, |
| 140 | { "X_HEIGHT", 0, scaledY }, |
| 141 | { "ITALIC_ANGLE", 0, unscaled }, |
| 142 | { "RELATIVE_SETWIDTH", 0, unscaled }, |
| 143 | { "RELATIVE_WEIGHT", 0, unscaled }, |
| 144 | { "WEIGHT", 0, unscaled }, |
| 145 | { "DESTINATION", 0, unscaled }, |
| 146 | { "PCL_FONT_NAME", 0, unscaled }, |
| 147 | { "_ADOBE_POSTSCRIPT_FONTNAME", 0, unscaled } |
| 148 | }; |
| 149 | |
| 150 | static fontProp rawFontPropTable[] = { |
| 151 | { "RAW_MIN_SPACE", 0, }, |
| 152 | { "RAW_NORM_SPACE", 0, }, |
| 153 | { "RAW_MAX_SPACE", 0, }, |
| 154 | { "RAW_END_SPACE", 0, }, |
| 155 | { "RAW_AVG_CAPITAL_WIDTH", 0, }, |
| 156 | { "RAW_AVG_LOWERCASE_WIDTH", 0, }, |
| 157 | { "RAW_QUAD_WIDTH", 0, }, |
| 158 | { "RAW_FIGURE_WIDTH", 0, }, |
| 159 | { "RAW_SUPERSCRIPT_X", 0, }, |
| 160 | { "RAW_SUPERSCRIPT_Y", 0, }, |
| 161 | { "RAW_SUBSCRIPT_X", 0, }, |
| 162 | { "RAW_SUBSCRIPT_Y", 0, }, |
| 163 | { "RAW_SUPERSCRIPT_SIZE", 0, }, |
| 164 | { "RAW_SUBSCRIPT_SIZE", 0, }, |
| 165 | { "RAW_SMALL_CAP_SIZE", 0, }, |
| 166 | { "RAW_UNDERLINE_POSITION", 0, }, |
| 167 | { "RAW_UNDERLINE_THICKNESS", 0, }, |
| 168 | { "RAW_STRIKEOUT_ASCENT", 0, }, |
| 169 | { "RAW_STRIKEOUT_DESCENT", 0, }, |
| 170 | { "RAW_CAP_HEIGHT", 0, }, |
| 171 | { "RAW_X_HEIGHT", 0, } |
| 172 | }; |
| 173 | |
| 174 | static void |
| 175 | initFontPropTable(void) |
| 176 | { |
| 177 | int i; |
| 178 | fontProp *t; |
| 179 | |
| 180 | i = sizeof(fontNamePropTable) / sizeof(fontProp); |
| 181 | for (t = fontNamePropTable; i; i--, t++) |
| 182 | t->atom = MakeAtom(t->name, (unsigned) strlen(t->name), TRUE1); |
| 183 | |
| 184 | i = sizeof(fontPropTable) / sizeof(fontProp); |
| 185 | for (t = fontPropTable; i; i--, t++) |
| 186 | t->atom = MakeAtom(t->name, (unsigned) strlen(t->name), TRUE1); |
| 187 | |
| 188 | i = sizeof(rawFontPropTable) / sizeof(fontProp); |
| 189 | for (t = rawFontPropTable; i; i--, t++) |
| 190 | t->atom = MakeAtom(t->name, (unsigned) strlen(t->name), TRUE1); |
| 191 | } |
| 192 | |
| 193 | #if 0 |
| 194 | static FontEntryPtr |
| 195 | GetScalableEntry (FontPathElementPtr fpe, FontNamePtr name) |
| 196 | { |
| 197 | FontDirectoryPtr dir; |
| 198 | |
| 199 | dir = (FontDirectoryPtr) fpe->private; |
| 200 | return FontFileFindNameInDir (&dir->scalable, name); |
| 201 | } |
| 202 | #endif |
| 203 | |
| 204 | static double |
| 205 | get_matrix_horizontal_component(double *matrix) |
| 206 | { |
| 207 | return hypot(matrix[0], matrix[1]); |
| 208 | } |
| 209 | |
| 210 | static double |
| 211 | get_matrix_vertical_component(double *matrix) |
| 212 | { |
| 213 | return hypot(matrix[2], matrix[3]); |
| 214 | } |
| 215 | |
| 216 | |
| 217 | static Bool |
| 218 | ComputeScaleFactors(FontScalablePtr from, FontScalablePtr to, |
| 219 | double *dx, double *dy, double *sdx, double *sdy, |
| 220 | double *rescale_x) |
| 221 | { |
| 222 | double srcpixelset, destpixelset, srcpixel, destpixel; |
| 223 | |
| 224 | srcpixelset = get_matrix_horizontal_component(from->pixel_matrix); |
| 225 | destpixelset = get_matrix_horizontal_component(to->pixel_matrix); |
| 226 | srcpixel = get_matrix_vertical_component(from->pixel_matrix); |
| 227 | destpixel = get_matrix_vertical_component(to->pixel_matrix); |
| 228 | |
| 229 | if (srcpixelset >= EPS1.0e-20) |
| 230 | { |
| 231 | *dx = destpixelset / srcpixelset; |
| 232 | *sdx = 1000.0 / srcpixelset; |
| 233 | } |
| 234 | else |
| 235 | *sdx = *dx = 0; |
| 236 | |
| 237 | *rescale_x = 1.0; |
| 238 | |
| 239 | /* If client specified a width, it overrides setsize; in this |
| 240 | context, we interpret width as applying to the font before any |
| 241 | rotation, even though that's not what is ultimately returned in |
| 242 | the width field. */ |
| 243 | if (from->width > 0 && to->width > 0 && fabs(*dx) > EPS1.0e-20) |
| 244 | { |
| 245 | double rescale = (double)to->width / (double)from->width; |
| 246 | |
| 247 | /* If the client specified a transformation matrix, the rescaling |
| 248 | for width does *not* override the setsize. Instead, just check |
| 249 | for consistency between the setsize from the matrix and the |
| 250 | setsize that would result from rescaling according to the width. |
| 251 | This assumes (perhaps naively) that the width is correctly |
| 252 | reported in the name. As an interesting side effect, this test |
| 253 | may result in choosing a different source bitmap (one that |
| 254 | scales consistently between the setsize *and* the width) than it |
| 255 | would choose if a width were not specified. Sort of a hidden |
| 256 | multiple-master functionality. */ |
| 257 | if ((to->values_supplied & PIXELSIZE_MASK0x3) == PIXELSIZE_ARRAY0x2 || |
| 258 | (to->values_supplied & POINTSIZE_MASK0xc) == POINTSIZE_ARRAY0x8) |
| 259 | { |
| 260 | /* Reject if resulting width difference is >= 1 pixel */ |
| 261 | if (fabs(rescale * from->width - *dx * from->width) >= 10) |
| 262 | return FALSE0; |
| 263 | } |
| 264 | else |
| 265 | { |
| 266 | *rescale_x = rescale/(*dx); |
| 267 | *dx = rescale; |
| 268 | } |
| 269 | } |
| 270 | |
| 271 | if (srcpixel >= EPS1.0e-20) |
| 272 | { |
| 273 | *dy = destpixel / srcpixel; |
| 274 | *sdy = 1000.0 / srcpixel; |
| 275 | } |
| 276 | else |
| 277 | *sdy = *dy = 0; |
| 278 | |
| 279 | return TRUE1; |
| 280 | } |
| 281 | |
| 282 | /* favor enlargement over reduction because of aliasing resulting |
| 283 | from reduction */ |
| 284 | #define SCORE(m,s)if (m >= 1.0) { if (m == 1.0) score += (16 * s); else if ( m == 2.0) score += (4 * s); else score += (int)(((double)(3 * s)) / m); } else { score += (int)(((double)(2 * s)) * m); } \ |
| 285 | if (m >= 1.0) { \ |
| 286 | if (m == 1.0) \ |
| 287 | score += (16 * s); \ |
| 288 | else if (m == 2.0) \ |
| 289 | score += (4 * s); \ |
| 290 | else \ |
| 291 | score += (int)(((double)(3 * s)) / m); \ |
| 292 | } else { \ |
| 293 | score += (int)(((double)(2 * s)) * m); \ |
| 294 | } |
| 295 | |
| 296 | /* don't need to favor enlargement when looking for bitmap that can |
| 297 | be used unscalable */ |
| 298 | #define SCORE2(m,s)if (m >= 1.0) score += (int)(((double)(8 * s)) / m); else score += (int)(((double)(8 * s)) * m); \ |
| 299 | if (m >= 1.0) \ |
| 300 | score += (int)(((double)(8 * s)) / m); \ |
| 301 | else \ |
| 302 | score += (int)(((double)(8 * s)) * m); |
| 303 | |
| 304 | static FontEntryPtr |
| 305 | FindBestToScale(FontPathElementPtr fpe, FontEntryPtr entry, |
| 306 | FontScalablePtr vals, FontScalablePtr best, |
| 307 | double *dxp, double *dyp, |
| 308 | double *sdxp, double *sdyp, |
| 309 | FontPathElementPtr *fpep) |
| 310 | { |
| 311 | FontScalableRec temp; |
| 312 | int source, i; |
| 313 | int best_score, best_unscaled_score, |
| 314 | score; |
| 315 | double dx = 0.0, sdx = 0.0, dx_amount = 0.0, |
| 316 | dy = 0.0, sdy = 0.0, dy_amount = 0.0, |
| 317 | best_dx = 0.0, best_sdx = 0.0, best_dx_amount = 0.0, |
| 318 | best_dy = 0.0, best_sdy = 0.0, best_dy_amount = 0.0, |
| 319 | best_unscaled_sdx = 0.0, best_unscaled_sdy = 0.0, |
| 320 | rescale_x = 0.0, best_rescale_x = 0.0, |
| 321 | best_unscaled_rescale_x = 0.0; |
| 322 | FontEntryPtr zero; |
| 323 | FontNameRec zeroName; |
| 324 | char zeroChars[MAXFONTNAMELEN1024]; |
| 325 | FontDirectoryPtr dir; |
| 326 | FontScaledPtr scaled; |
| 327 | FontScalableExtraPtr extra; |
| 328 | FontScaledPtr best_scaled, best_unscaled; |
| 329 | FontPathElementPtr best_fpe = NULL((void *)0), best_unscaled_fpe = NULL((void *)0); |
| 330 | FontEntryPtr bitmap = NULL((void *)0); |
| 331 | FontEntryPtr result; |
| 332 | int aliascount = 20; |
| 333 | FontPathElementPtr bitmap_fpe = NULL((void *)0); |
| 334 | FontNameRec xlfdName; |
| 335 | |
| 336 | /* find the best match */ |
| 337 | rescale_x = 1.0; |
| 338 | best_scaled = 0; |
| 339 | best_score = 0; |
| 340 | best_unscaled = 0; |
| 341 | best_unscaled_score = -1; |
| 342 | best_dx_amount = best_dy_amount = HUGE_VAL__builtin_huge_val(); |
| 343 | memcpy (zeroChars, entry->name.name, entry->name.length)__builtin___memcpy_chk (zeroChars, entry->name.name, entry ->name.length, __builtin_object_size (zeroChars, 0)); |
| 344 | zeroChars[entry->name.length] = '\0'; |
| 345 | zeroName.name = zeroChars; |
| 346 | FontParseXLFDName (zeroChars, &temp, FONT_XLFD_REPLACE_ZERO2); |
| 347 | zeroName.length = strlen (zeroChars); |
| 348 | zeroName.ndashes = entry->name.ndashes; |
| 349 | xlfdName.name = vals->xlfdName; |
| 350 | xlfdName.length = strlen(xlfdName.name); |
| 351 | xlfdName.ndashes = FontFileCountDashes(xlfdName.name, xlfdName.length); |
| 352 | restart_bestscale_loop: ; |
| 353 | /* |
| 354 | * Look through all the registered bitmap sources for |
| 355 | * the same zero name as ours; entries along that one |
| 356 | * can be scaled as desired. |
| 357 | */ |
| 358 | for (source = 0; source < FontFileBitmapSources.count; source++) |
| 359 | { |
| 360 | /* There might already be a bitmap that satisfies the request |
| 361 | but didn't have a zero name that was found by the scalable |
| 362 | font matching logic. Keep track if there is. */ |
| 363 | if (bitmap == NULL((void *)0) && vals->xlfdName != NULL((void *)0)) |
| 364 | { |
| 365 | bitmap_fpe = FontFileBitmapSources.fpe[source]; |
| 366 | dir = (FontDirectoryPtr) bitmap_fpe->private; |
| 367 | bitmap = FontFileFindNameInDir (&dir->nonScalable, &xlfdName); |
| 368 | if (bitmap && bitmap->type != FONT_ENTRY_BITMAP2) |
| 369 | { |
| 370 | if (bitmap->type == FONT_ENTRY_ALIAS3 && aliascount > 0) |
| 371 | { |
| 372 | aliascount--; |
| 373 | xlfdName.name = bitmap->u.alias.resolved; |
| 374 | xlfdName.length = strlen(xlfdName.name); |
| 375 | xlfdName.ndashes = FontFileCountDashes(xlfdName.name, |
| 376 | xlfdName.length); |
| 377 | bitmap = NULL((void *)0); |
| 378 | goto restart_bestscale_loop; |
| 379 | } |
| 380 | else |
| 381 | bitmap = NULL((void *)0); |
| 382 | } |
| 383 | } |
| 384 | |
| 385 | if (FontFileBitmapSources.fpe[source] == fpe) |
| 386 | zero = entry; |
| 387 | else |
| 388 | { |
| 389 | dir = (FontDirectoryPtr) FontFileBitmapSources.fpe[source]->private; |
| 390 | zero = FontFileFindNameInDir (&dir->scalable, &zeroName); |
| 391 | if (!zero) |
| 392 | continue; |
| 393 | } |
| 394 | extra = zero->u.scalable.extra; |
| 395 | for (i = 0; i < extra->numScaled; i++) |
| 396 | { |
| 397 | scaled = &extra->scaled[i]; |
| 398 | if (!scaled->bitmap) |
| 399 | continue; |
| 400 | if (!ComputeScaleFactors(&scaled->vals, vals, &dx, &dy, &sdx, &sdy, |
| 401 | &rescale_x)) |
| 402 | continue; |
| 403 | score = 0; |
| 404 | dx_amount = dx; |
| 405 | dy_amount = dy; |
| 406 | SCORE(dy_amount, 10)if (dy_amount >= 1.0) { if (dy_amount == 1.0) score += (16 * 10); else if (dy_amount == 2.0) score += (4 * 10); else score += (int)(((double)(3 * 10)) / dy_amount); } else { score += ( int)(((double)(2 * 10)) * dy_amount); }; |
| 407 | SCORE(dx_amount, 1)if (dx_amount >= 1.0) { if (dx_amount == 1.0) score += (16 * 1); else if (dx_amount == 2.0) score += (4 * 1); else score += (int)(((double)(3 * 1)) / dx_amount); } else { score += ( int)(((double)(2 * 1)) * dx_amount); }; |
| 408 | if ((score > best_score) || |
| 409 | ((score == best_score) && |
| 410 | ((dy_amount < best_dy_amount) || |
| 411 | ((dy_amount == best_dy_amount) && |
| 412 | (dx_amount < best_dx_amount))))) |
| 413 | { |
| 414 | best_fpe = FontFileBitmapSources.fpe[source]; |
| 415 | best_scaled = scaled; |
| 416 | best_score = score; |
| 417 | best_dx = dx; |
| 418 | best_dy = dy; |
| 419 | best_sdx = sdx; |
| 420 | best_sdy = sdy; |
| 421 | best_dx_amount = dx_amount; |
| 422 | best_dy_amount = dy_amount; |
| 423 | best_rescale_x = rescale_x; |
| 424 | } |
| 425 | /* Is this font a candidate for use without ugly rescaling? */ |
| 426 | if (fabs(dx) > EPS1.0e-20 && fabs(dy) > EPS1.0e-20 && |
| 427 | fabs(vals->pixel_matrix[0] * rescale_x - |
| 428 | scaled->vals.pixel_matrix[0]) < 1 && |
| 429 | fabs(vals->pixel_matrix[1] * rescale_x - |
| 430 | scaled->vals.pixel_matrix[1]) < EPS1.0e-20 && |
| 431 | fabs(vals->pixel_matrix[2] - |
| 432 | scaled->vals.pixel_matrix[2]) < EPS1.0e-20 && |
| 433 | fabs(vals->pixel_matrix[3] - |
| 434 | scaled->vals.pixel_matrix[3]) < 1) |
| 435 | { |
| 436 | /* Yes. The pixel sizes are close on the diagonal and |
| 437 | extremely close off the diagonal. */ |
| 438 | score = 0; |
| 439 | SCORE2(vals->pixel_matrix[3] /if (vals->pixel_matrix[3] / scaled->vals.pixel_matrix[3 ] >= 1.0) score += (int)(((double)(8 * 10)) / vals->pixel_matrix [3] / scaled->vals.pixel_matrix[3]); else score += (int)(( (double)(8 * 10)) * vals->pixel_matrix[3] / scaled->vals .pixel_matrix[3]); |
| 440 | scaled->vals.pixel_matrix[3], 10)if (vals->pixel_matrix[3] / scaled->vals.pixel_matrix[3 ] >= 1.0) score += (int)(((double)(8 * 10)) / vals->pixel_matrix [3] / scaled->vals.pixel_matrix[3]); else score += (int)(( (double)(8 * 10)) * vals->pixel_matrix[3] / scaled->vals .pixel_matrix[3]);; |
| 441 | SCORE2(vals->pixel_matrix[0] * rescale_x /if (vals->pixel_matrix[0] * rescale_x / scaled->vals.pixel_matrix [0] >= 1.0) score += (int)(((double)(8 * 1)) / vals->pixel_matrix [0] * rescale_x / scaled->vals.pixel_matrix[0]); else score += (int)(((double)(8 * 1)) * vals->pixel_matrix[0] * rescale_x / scaled->vals.pixel_matrix[0]); |
| 442 | scaled->vals.pixel_matrix[0], 1)if (vals->pixel_matrix[0] * rescale_x / scaled->vals.pixel_matrix [0] >= 1.0) score += (int)(((double)(8 * 1)) / vals->pixel_matrix [0] * rescale_x / scaled->vals.pixel_matrix[0]); else score += (int)(((double)(8 * 1)) * vals->pixel_matrix[0] * rescale_x / scaled->vals.pixel_matrix[0]);; |
| 443 | if (score > best_unscaled_score) |
| 444 | { |
| 445 | best_unscaled_fpe = FontFileBitmapSources.fpe[source]; |
| 446 | best_unscaled = scaled; |
| 447 | best_unscaled_sdx = sdx / dx; |
| 448 | best_unscaled_sdy = sdy / dy; |
| 449 | best_unscaled_score = score; |
| 450 | best_unscaled_rescale_x = rescale_x; |
| 451 | } |
| 452 | } |
| 453 | } |
| 454 | } |
| 455 | if (best_unscaled) |
| 456 | { |
| 457 | *best = best_unscaled->vals; |
| 458 | *fpep = best_unscaled_fpe; |
| 459 | *dxp = 1.0; |
| 460 | *dyp = 1.0; |
| 461 | *sdxp = best_unscaled_sdx; |
| 462 | *sdyp = best_unscaled_sdy; |
| 463 | rescale_x = best_unscaled_rescale_x; |
| 464 | result = best_unscaled->bitmap; |
| 465 | } |
| 466 | else if (best_scaled) |
| 467 | { |
| 468 | *best = best_scaled->vals; |
| 469 | *fpep = best_fpe; |
| 470 | *dxp = best_dx; |
| 471 | *dyp = best_dy; |
| 472 | *sdxp = best_sdx; |
| 473 | *sdyp = best_sdy; |
| 474 | rescale_x = best_rescale_x; |
| 475 | result = best_scaled->bitmap; |
| 476 | } |
| 477 | else |
| 478 | result = NULL((void *)0); |
| 479 | |
| 480 | if (bitmap != NULL((void *)0) && (result == NULL((void *)0) || *dxp != 1.0 || *dyp != 1.0)) |
| 481 | { |
| 482 | *fpep = bitmap_fpe; |
| 483 | FontParseXLFDName (bitmap->name.name, best, FONT_XLFD_REPLACE_NONE0); |
| 484 | if (ComputeScaleFactors(best, best, dxp, dyp, sdxp, sdyp, &rescale_x)) |
| 485 | result = bitmap; |
| 486 | else |
| 487 | result = NULL((void *)0); |
| 488 | } |
| 489 | |
| 490 | if (result && rescale_x != 1.0) |
| 491 | { |
| 492 | /* We have rescaled horizontally due to an XLFD width field. Change |
| 493 | the matrix appropriately */ |
| 494 | vals->pixel_matrix[0] *= rescale_x; |
| 495 | vals->pixel_matrix[1] *= rescale_x; |
| 496 | vals->values_supplied = vals->values_supplied & ~POINTSIZE_MASK0xc; |
| 497 | /* Recompute and reround the FontScalablePtr values after |
| 498 | rescaling for the new width. */ |
| 499 | FontFileCompleteXLFD(vals, vals); |
| 500 | } |
| 501 | |
| 502 | return result; |
| 503 | } |
| 504 | |
| 505 | static long |
| 506 | doround(double x) |
| 507 | { |
| 508 | return (x >= 0) ? (long)(x + .5) : (long)(x - .5); |
| 509 | } |
| 510 | |
| 511 | static int |
| 512 | computeProps(FontPropPtr pf, char *wasStringProp, |
| 513 | FontPropPtr npf, char *isStringProp, |
| 514 | unsigned int nprops, double xfactor, double yfactor, |
| 515 | double sXfactor, double sYfactor) |
| 516 | { |
| 517 | int n; |
| 518 | int count; |
| 519 | fontProp *t; |
| 520 | double rawfactor = 0.0; |
| 521 | |
| 522 | for (count = 0; nprops > 0; nprops--, pf++, wasStringProp++) { |
| 523 | n = sizeof(fontPropTable) / sizeof(fontProp); |
| 524 | for (t = fontPropTable; n && (t->atom != pf->name); n--, t++); |
| 525 | if (!n) |
| 526 | continue; |
| 527 | |
| 528 | switch (t->type) { |
| 529 | case scaledX: |
| 530 | npf->value = doround(xfactor * (double)pf->value); |
| 531 | rawfactor = sXfactor; |
| 532 | break; |
| 533 | case scaledY: |
| 534 | npf->value = doround(yfactor * (double)pf->value); |
| 535 | rawfactor = sYfactor; |
| 536 | break; |
| 537 | case unscaled: |
| 538 | npf->value = pf->value; |
| 539 | npf->name = pf->name; |
| 540 | npf++; |
| 541 | count++; |
| 542 | *isStringProp++ = *wasStringProp; |
| 543 | break; |
| 544 | default: |
| 545 | break; |
| 546 | } |
| 547 | if (t->type != unscaled) |
| 548 | { |
| 549 | npf->name = pf->name; |
| 550 | npf++; |
| 551 | count++; |
| 552 | npf->value = doround(rawfactor * (double)pf->value); |
| 553 | npf->name = rawFontPropTable[t - fontPropTable].atom; |
| 554 | npf++; |
| 555 | count++; |
| 556 | *isStringProp++ = *wasStringProp; |
| 557 | *isStringProp++ = *wasStringProp; |
| 558 | } |
| 559 | } |
| 560 | return count; |
| 561 | } |
| 562 | |
| 563 | |
| 564 | static int |
| 565 | ComputeScaledProperties(FontInfoPtr sourceFontInfo, /* the font to be scaled */ |
| 566 | char *name, /* name of resulting font */ |
| 567 | FontScalablePtr vals, |
| 568 | double dx, double dy, /* scale factors in x and y */ |
| 569 | double sdx, double sdy, /* directions */ |
| 570 | long sWidth, /* 1000-pixel average width */ |
| 571 | FontPropPtr *pProps, /* returns properties; |
| 572 | preallocated */ |
| 573 | char **pIsStringProp) /* return booleans; |
| 574 | preallocated */ |
| 575 | { |
| 576 | int n; |
| 577 | char *ptr1 = NULL((void *)0), *ptr2 = NULL((void *)0); |
| 578 | char *ptr3; |
| 579 | FontPropPtr fp; |
| 580 | fontProp *fpt; |
| 581 | char *isStringProp; |
| 582 | int nProps; |
| 583 | |
| 584 | if (bitscaleGeneration != __GetServerGeneration()) { |
| 585 | initFontPropTable(); |
| 586 | bitscaleGeneration = __GetServerGeneration(); |
| 587 | } |
| 588 | nProps = NPROPS(sizeof(fontNamePropTable) / sizeof(fontProp)) + 1 + sizeof(fontPropTable) / sizeof(fontProp) + |
| 589 | sizeof(rawFontPropTable) / sizeof(fontProp); |
| 590 | fp = malloc(sizeof(FontPropRec) * nProps); |
| 591 | *pProps = fp; |
| 592 | if (!fp) { |
| 593 | fprintf(stderr__stderrp, "Error: Couldn't allocate font properties (%ld*%d)\n", |
| 594 | (unsigned long)sizeof(FontPropRec), nProps); |
| 595 | return 1; |
| 596 | } |
| 597 | isStringProp = malloc (nProps); |
| 598 | *pIsStringProp = isStringProp; |
| 599 | if (!isStringProp) |
| 600 | { |
| 601 | fprintf(stderr__stderrp, "Error: Couldn't allocate isStringProp (%d)\n", nProps); |
| 602 | free (fp); |
| 603 | return 1; |
| 604 | } |
| 605 | ptr2 = name; |
| 606 | for (fpt = fontNamePropTable, n = NPROPS(sizeof(fontNamePropTable) / sizeof(fontProp)); |
| 607 | n; |
| 608 | fp++, fpt++, n--, isStringProp++) |
| 609 | { |
| 610 | |
| 611 | if (*ptr2) |
| 612 | { |
| 613 | ptr1 = ptr2 + 1; |
| 614 | if (!(ptr2 = strchr(ptr1, '-'))) ptr2 = strchr(ptr1, '\0'); |
| 615 | } |
| 616 | |
| 617 | *isStringProp = 0; |
| 618 | switch (fpt->type) { |
| 619 | case atom: |
| 620 | fp->value = MakeAtom(ptr1, ptr2 - ptr1, TRUE1); |
| 621 | *isStringProp = 1; |
| 622 | break; |
| 623 | case truncate_atom: |
| 624 | for (ptr3 = ptr1; *ptr3; ptr3++) |
| 625 | if (*ptr3 == '[') |
| 626 | break; |
| 627 | if (!*ptr3) ptr3 = ptr2; |
| 628 | fp->value = MakeAtom(ptr1, ptr3 - ptr1, TRUE1); |
| 629 | *isStringProp = 1; |
| 630 | break; |
| 631 | case pixel_size: |
| 632 | fp->value = doround(vals->pixel_matrix[3]); |
| 633 | break; |
| 634 | case point_size: |
| 635 | fp->value = doround(vals->point_matrix[3] * 10.0); |
| 636 | break; |
| 637 | case resolution_x: |
| 638 | fp->value = vals->x; |
| 639 | break; |
| 640 | case resolution_y: |
| 641 | fp->value = vals->y; |
| 642 | break; |
| 643 | case average_width: |
| 644 | fp->value = vals->width; |
| 645 | break; |
| 646 | case fontname: |
| 647 | fp->value = MakeAtom(name, strlen(name), TRUE1); |
| 648 | *isStringProp = 1; |
| 649 | break; |
| 650 | case raw_ascent: |
| 651 | fp->value = sourceFontInfo->fontAscent * sdy; |
| 652 | break; |
| 653 | case raw_descent: |
| 654 | fp->value = sourceFontInfo->fontDescent * sdy; |
| 655 | break; |
| 656 | case raw_pointsize: |
| 657 | fp->value = (long)(72270.0 / (double)vals->y + .5); |
| 658 | break; |
| 659 | case raw_pixelsize: |
| 660 | fp->value = 1000; |
| 661 | break; |
| 662 | case raw_average_width: |
| 663 | fp->value = sWidth; |
| 664 | break; |
| 665 | default: |
| 666 | break; |
| 667 | } |
| 668 | fp->name = fpt->atom; |
| 669 | } |
| 670 | n = NPROPS(sizeof(fontNamePropTable) / sizeof(fontProp)); |
| 671 | n += computeProps(sourceFontInfo->props, sourceFontInfo->isStringProp, |
| 672 | fp, isStringProp, sourceFontInfo->nprops, dx, dy, |
| 673 | sdx, sdy); |
| 674 | return n; |
| 675 | } |
| 676 | |
| 677 | |
| 678 | static int |
| 679 | compute_xform_matrix(FontScalablePtr vals, double dx, double dy, |
| 680 | double *xform, double *inv_xform, |
| 681 | double *xmult, double *ymult) |
| 682 | { |
| 683 | double det; |
| 684 | double pixel = get_matrix_vertical_component(vals->pixel_matrix); |
| 685 | double pixelset = get_matrix_horizontal_component(vals->pixel_matrix); |
| 686 | |
| 687 | if (pixel < EPS1.0e-20 || pixelset < EPS1.0e-20) return 0; |
| 688 | |
| 689 | /* Initialize the transformation matrix to the scaling factors */ |
| 690 | xform[0] = dx / pixelset; |
| 691 | xform[1] = xform[2] = 0.0; |
| 692 | xform[3] = dy / pixel; |
| 693 | |
| 694 | /* Inline matrix multiply -- somewhat ugly to minimize register usage */ |
| 695 | #define MULTIPLY_XFORM(a,b,c,d){ register double aa = (a), bb = (b), cc = (c), dd = (d); register double temp; temp = aa * xform[0] + cc * xform[1]; aa = aa * xform[2] + cc * xform[3]; xform[1] = bb * xform[0] + dd * xform [1]; xform[3] = bb * xform[2] + dd * xform[3]; xform[0] = temp ; xform[2] = aa; } \ |
| 696 | { \ |
| 697 | register double aa = (a), bb = (b), cc = (c), dd = (d); \ |
| 698 | register double temp; \ |
| 699 | temp = aa * xform[0] + cc * xform[1]; \ |
| 700 | aa = aa * xform[2] + cc * xform[3]; \ |
| 701 | xform[1] = bb * xform[0] + dd * xform[1]; \ |
| 702 | xform[3] = bb * xform[2] + dd * xform[3]; \ |
| 703 | xform[0] = temp; \ |
| 704 | xform[2] = aa; \ |
| 705 | } |
| 706 | |
| 707 | /* Rescale the transformation matrix for size of source font */ |
| 708 | MULTIPLY_XFORM(vals->pixel_matrix[0],{ register double aa = (vals->pixel_matrix[0]), bb = (vals ->pixel_matrix[1]), cc = (vals->pixel_matrix[2]), dd = ( vals->pixel_matrix[3]); register double temp; temp = aa * xform [0] + cc * xform[1]; aa = aa * xform[2] + cc * xform[3]; xform [1] = bb * xform[0] + dd * xform[1]; xform[3] = bb * xform[2] + dd * xform[3]; xform[0] = temp; xform[2] = aa; } |
| 709 | vals->pixel_matrix[1],{ register double aa = (vals->pixel_matrix[0]), bb = (vals ->pixel_matrix[1]), cc = (vals->pixel_matrix[2]), dd = ( vals->pixel_matrix[3]); register double temp; temp = aa * xform [0] + cc * xform[1]; aa = aa * xform[2] + cc * xform[3]; xform [1] = bb * xform[0] + dd * xform[1]; xform[3] = bb * xform[2] + dd * xform[3]; xform[0] = temp; xform[2] = aa; } |
| 710 | vals->pixel_matrix[2],{ register double aa = (vals->pixel_matrix[0]), bb = (vals ->pixel_matrix[1]), cc = (vals->pixel_matrix[2]), dd = ( vals->pixel_matrix[3]); register double temp; temp = aa * xform [0] + cc * xform[1]; aa = aa * xform[2] + cc * xform[3]; xform [1] = bb * xform[0] + dd * xform[1]; xform[3] = bb * xform[2] + dd * xform[3]; xform[0] = temp; xform[2] = aa; } |
| 711 | vals->pixel_matrix[3]){ register double aa = (vals->pixel_matrix[0]), bb = (vals ->pixel_matrix[1]), cc = (vals->pixel_matrix[2]), dd = ( vals->pixel_matrix[3]); register double temp; temp = aa * xform [0] + cc * xform[1]; aa = aa * xform[2] + cc * xform[3]; xform [1] = bb * xform[0] + dd * xform[1]; xform[3] = bb * xform[2] + dd * xform[3]; xform[0] = temp; xform[2] = aa; }; |
| 712 | |
| 713 | *xmult = xform[0]; |
| 714 | *ymult = xform[3]; |
| 715 | |
| 716 | |
| 717 | if (inv_xform == NULL((void *)0)) return 1; |
| 718 | |
| 719 | /* Compute the determinant for use in inverting the matrix. */ |
| 720 | det = xform[0] * xform[3] - xform[1] * xform[2]; |
| 721 | |
| 722 | /* If the determinant is tiny or zero, give up */ |
| 723 | if (fabs(det) < EPS1.0e-20) return 0; |
| 724 | |
| 725 | /* Compute the inverse */ |
| 726 | inv_xform[0] = xform[3] / det; |
| 727 | inv_xform[1] = -xform[1] / det; |
| 728 | inv_xform[2] = -xform[2] / det; |
| 729 | inv_xform[3] = xform[0] / det; |
| 730 | |
| 731 | return 1; |
| 732 | } |
| 733 | |
| 734 | /* |
| 735 | * ScaleFont |
| 736 | * returns a pointer to the new scaled font, or NULL (due to AllocError). |
| 737 | */ |
| 738 | #pragma GCC diagnostic ignored "-Wbad-function-cast" |
| 739 | |
| 740 | static FontPtr |
| 741 | ScaleFont(FontPtr opf, /* originating font */ |
| 742 | double widthMult, /* glyphs width scale factor */ |
| 743 | double heightMult, /* glyphs height scale factor */ |
| 744 | double sWidthMult, /* scalable glyphs width scale factor */ |
| 745 | double sHeightMult, /* scalable glyphs height scale factor */ |
| 746 | FontScalablePtr vals, |
| 747 | double *newWidthMult, /* return: X component of glyphs width |
| 748 | scale factor */ |
| 749 | double *newHeightMult, /* return: Y component of glyphs height |
| 750 | scale factor */ |
| 751 | long *sWidth) /* return: average 1000-pixel width */ |
| 752 | { |
| 753 | FontPtr pf; |
| 754 | FontInfoPtr pfi, |
| 755 | opfi; |
| 756 | BitmapFontPtr bitmapFont, |
| 757 | obitmapFont; |
| 758 | CharInfoPtr pci, |
| 759 | opci; |
| 760 | int nchars = 0; /* how many characters in the font */ |
| 761 | int i; |
| 762 | int firstCol, lastCol, firstRow, lastRow; |
| 763 | double xform[4], inv_xform[4]; |
| 764 | double xmult, ymult; |
| 765 | int totalwidth = 0, totalchars = 0; |
| 766 | #define OLDINDEX(i)(((i)/(lastCol - firstCol + 1) + firstRow - opf->info.firstRow ) * (opf->info.lastCol - opf->info.firstCol + 1) + (i)% (lastCol - firstCol + 1) + firstCol - opf->info.firstCol) (((i)/(lastCol - firstCol + 1) + \ |
| 767 | firstRow - opf->info.firstRow) * \ |
| 768 | (opf->info.lastCol - opf->info.firstCol + 1) + \ |
| 769 | (i)%(lastCol - firstCol + 1) + \ |
| 770 | firstCol - opf->info.firstCol) |
| 771 | |
| 772 | *sWidth = 0; |
| 773 | |
| 774 | opfi = &opf->info; |
| 775 | obitmapFont = (BitmapFontPtr) opf->fontPrivate; |
| 776 | |
| 777 | bitmapFont = 0; |
| 778 | if (!(pf = CreateFontRec())) { |
| 779 | fprintf(stderr__stderrp, "Error: Couldn't allocate FontRec (%ld)\n", |
| 780 | (unsigned long)sizeof(FontRec)); |
| 781 | goto bail; |
| 782 | } |
| 783 | pf->refcnt = 0; |
| 784 | pf->bit = opf->bit; |
| 785 | pf->byte = opf->byte; |
| 786 | pf->glyph = opf->glyph; |
| 787 | pf->scan = opf->scan; |
| 788 | |
| 789 | pf->get_glyphs = bitmapGetGlyphs; |
| 790 | pf->get_metrics = bitmapGetMetrics; |
| 791 | pf->unload_font = bitmapUnloadScalable; |
| 792 | pf->unload_glyphs = NULL((void *)0); |
| 793 | |
| 794 | pfi = &pf->info; |
| 795 | *pfi = *opfi; |
| 796 | /* If charset subsetting specified in vals, determine what our range |
| 797 | needs to be for the output font */ |
| 798 | if (vals->nranges) |
| 799 | { |
| 800 | pfi->allExist = 0; |
| 801 | firstCol = 255; |
| 802 | lastCol = 0; |
| 803 | firstRow = 255; |
| 804 | lastRow = 0; |
| 805 | |
| 806 | for (i = 0; i < vals->nranges; i++) |
| 807 | { |
| 808 | if (vals->ranges[i].min_char_high != vals->ranges[i].max_char_high) |
| 809 | { |
| 810 | firstCol = opfi->firstCol; |
| 811 | lastCol = opfi->lastCol; |
| 812 | } |
| 813 | if (firstCol > vals->ranges[i].min_char_low) |
| 814 | firstCol = vals->ranges[i].min_char_low; |
| 815 | if (lastCol < vals->ranges[i].max_char_low) |
| 816 | lastCol = vals->ranges[i].max_char_low; |
| 817 | if (firstRow > vals->ranges[i].min_char_high) |
| 818 | firstRow = vals->ranges[i].min_char_high; |
| 819 | if (lastRow < vals->ranges[i].max_char_high) |
| 820 | lastRow = vals->ranges[i].max_char_high; |
| 821 | } |
| 822 | |
| 823 | if (firstCol > lastCol || firstRow > lastRow) |
| 824 | goto bail; |
| 825 | |
| 826 | if (firstCol < opfi->firstCol) |
| 827 | firstCol = opfi->firstCol; |
| 828 | if (lastCol > opfi->lastCol) |
| 829 | lastCol = opfi->lastCol; |
| 830 | if (firstRow < opfi->firstRow) |
| 831 | firstRow = opfi->firstRow; |
| 832 | if (lastRow > opfi->lastRow) |
| 833 | lastRow = opfi->lastRow; |
| 834 | } |
| 835 | else |
| 836 | { |
| 837 | firstCol = opfi->firstCol; |
| 838 | lastCol = opfi->lastCol; |
| 839 | firstRow = opfi->firstRow; |
| 840 | lastRow = opfi->lastRow; |
| 841 | } |
| 842 | |
| 843 | bitmapFont = malloc(sizeof(BitmapFontRec)); |
| 844 | if (!bitmapFont) { |
| 845 | fprintf(stderr__stderrp, "Error: Couldn't allocate bitmapFont (%ld)\n", |
| 846 | (unsigned long)sizeof(BitmapFontRec)); |
| 847 | goto bail; |
| 848 | } |
| 849 | nchars = (lastRow - firstRow + 1) * (lastCol - firstCol + 1); |
| 850 | pfi->firstRow = firstRow; |
| 851 | pfi->lastRow = lastRow; |
| 852 | pfi->firstCol = firstCol; |
| 853 | pfi->lastCol = lastCol; |
| 854 | pf->fontPrivate = (pointer) bitmapFont; |
| 855 | bitmapFont->version_num = obitmapFont->version_num; |
| 856 | bitmapFont->num_chars = nchars; |
| 857 | bitmapFont->num_tables = obitmapFont->num_tables; |
| 858 | bitmapFont->metrics = 0; |
| 859 | bitmapFont->ink_metrics = 0; |
| 860 | bitmapFont->bitmaps = 0; |
| 861 | bitmapFont->encoding = 0; |
| 862 | bitmapFont->bitmapExtra = 0; |
| 863 | bitmapFont->pDefault = 0; |
| 864 | bitmapFont->metrics = malloc(nchars * sizeof(CharInfoRec)); |
| 865 | if (!bitmapFont->metrics) { |
| 866 | fprintf(stderr__stderrp, "Error: Couldn't allocate metrics (%d*%ld)\n", |
| 867 | nchars, (unsigned long)sizeof(CharInfoRec)); |
| 868 | goto bail; |
| 869 | } |
| 870 | bitmapFont->encoding = calloc(NUM_SEGMENTS(nchars)(((nchars)+128 -1)/128), sizeof(CharInfoPtr*)); |
| 871 | if (!bitmapFont->encoding) { |
| 872 | fprintf(stderr__stderrp, "Error: Couldn't allocate encoding (%d*%ld)\n", |
| 873 | nchars, (unsigned long)sizeof(CharInfoPtr)); |
| 874 | goto bail; |
| 875 | } |
| 876 | |
| 877 | #undef MAXSHORT32767 |
| 878 | #define MAXSHORT32767 32767 |
| 879 | #undef MINSHORT-32768 |
| 880 | #define MINSHORT-32768 -32768 |
| 881 | |
| 882 | pfi->anamorphic = FALSE0; |
| 883 | if (heightMult != widthMult) |
| 884 | pfi->anamorphic = TRUE1; |
| 885 | pfi->cachable = TRUE1; |
| 886 | |
| 887 | if (!compute_xform_matrix(vals, widthMult, heightMult, xform, |
| 888 | inv_xform, &xmult, &ymult)) |
| 889 | goto bail; |
| 890 | |
| 891 | pfi->fontAscent = opfi->fontAscent * ymult; |
| 892 | pfi->fontDescent = opfi->fontDescent * ymult; |
| 893 | |
| 894 | pfi->minbounds.leftSideBearing = MAXSHORT32767; |
| 895 | pfi->minbounds.rightSideBearing = MAXSHORT32767; |
| 896 | pfi->minbounds.ascent = MAXSHORT32767; |
| 897 | pfi->minbounds.descent = MAXSHORT32767; |
| 898 | pfi->minbounds.characterWidth = MAXSHORT32767; |
| 899 | pfi->minbounds.attributes = MAXSHORT32767; |
| 900 | |
| 901 | pfi->maxbounds.leftSideBearing = MINSHORT-32768; |
| 902 | pfi->maxbounds.rightSideBearing = MINSHORT-32768; |
| 903 | pfi->maxbounds.ascent = MINSHORT-32768; |
| 904 | pfi->maxbounds.descent = MINSHORT-32768; |
| 905 | pfi->maxbounds.characterWidth = MINSHORT-32768; |
| 906 | pfi->maxbounds.attributes = MINSHORT-32768; |
| 907 | |
| 908 | /* Compute the transformation and inverse transformation matrices. |
| 909 | Can fail if the determinant is zero. */ |
| 910 | |
| 911 | pci = bitmapFont->metrics; |
| 912 | for (i = 0; i < nchars; i++) |
| 913 | { |
| 914 | if ((opci = ACCESSENCODING(obitmapFont->encoding,OLDINDEX(i))(obitmapFont->encoding[((((i)/(lastCol - firstCol + 1) + firstRow - opf->info.firstRow) * (opf->info.lastCol - opf->info .firstCol + 1) + (i)%(lastCol - firstCol + 1) + firstCol - opf ->info.firstCol))/128]?(obitmapFont->encoding[((((i)/(lastCol - firstCol + 1) + firstRow - opf->info.firstRow) * (opf-> info.lastCol - opf->info.firstCol + 1) + (i)%(lastCol - firstCol + 1) + firstCol - opf->info.firstCol))/128][((((i)/(lastCol - firstCol + 1) + firstRow - opf->info.firstRow) * (opf-> info.lastCol - opf->info.firstCol + 1) + (i)%(lastCol - firstCol + 1) + firstCol - opf->info.firstCol))%128]):0))) |
| 915 | { |
| 916 | double newlsb, newrsb, newdesc, newasc, point[2]; |
| 917 | |
| 918 | #define minchar(p)((p).min_char_low + ((p).min_char_high << 8)) ((p).min_char_low + ((p).min_char_high << 8)) |
| 919 | #define maxchar(p)((p).max_char_low + ((p).max_char_high << 8)) ((p).max_char_low + ((p).max_char_high << 8)) |
| 920 | |
| 921 | if (vals->nranges) |
| 922 | { |
| 923 | int row = i / (lastCol - firstCol + 1) + firstRow; |
| 924 | int col = i % (lastCol - firstCol + 1) + firstCol; |
| 925 | int ch = (row << 8) + col; |
| 926 | int j; |
| 927 | for (j = 0; j < vals->nranges; j++) |
| 928 | if (ch >= minchar(vals->ranges[j])((vals->ranges[j]).min_char_low + ((vals->ranges[j]).min_char_high << 8)) && |
| 929 | ch <= maxchar(vals->ranges[j])((vals->ranges[j]).max_char_low + ((vals->ranges[j]).max_char_high << 8))) |
| 930 | break; |
| 931 | if (j == vals->nranges) |
| 932 | { |
| 933 | continue; |
| 934 | } |
| 935 | } |
| 936 | |
| 937 | if (opci->metrics.leftSideBearing == 0 && |
| 938 | opci->metrics.rightSideBearing == 0 && |
| 939 | opci->metrics.ascent == 0 && |
| 940 | opci->metrics.descent == 0 && |
| 941 | opci->metrics.characterWidth == 0) |
| 942 | { |
| 943 | continue; |
| 944 | } |
| 945 | |
| 946 | if(!bitmapFont->encoding[SEGMENT_MAJOR(i)((i)/128)]) { |
| 947 | bitmapFont->encoding[SEGMENT_MAJOR(i)((i)/128)]= |
| 948 | calloc(BITMAP_FONT_SEGMENT_SIZE128, sizeof(CharInfoPtr)); |
| 949 | if(!bitmapFont->encoding[SEGMENT_MAJOR(i)((i)/128)]) |
| 950 | goto bail; |
| 951 | } |
| 952 | ACCESSENCODINGL(bitmapFont->encoding, i)(bitmapFont->encoding[(i)/128][(i)%128]) = pci; |
| 953 | |
| 954 | /* Compute new extents for this glyph */ |
| 955 | TRANSFORM_POINT(xform,((point)[0] = (xform)[0] * (opci->metrics.leftSideBearing) + (xform)[2] * (-opci->metrics.descent), (point)[1] = (xform )[1] * (opci->metrics.leftSideBearing) + (xform)[3] * (-opci ->metrics.descent)) |
| 956 | opci->metrics.leftSideBearing,((point)[0] = (xform)[0] * (opci->metrics.leftSideBearing) + (xform)[2] * (-opci->metrics.descent), (point)[1] = (xform )[1] * (opci->metrics.leftSideBearing) + (xform)[3] * (-opci ->metrics.descent)) |
| 957 | -opci->metrics.descent,((point)[0] = (xform)[0] * (opci->metrics.leftSideBearing) + (xform)[2] * (-opci->metrics.descent), (point)[1] = (xform )[1] * (opci->metrics.leftSideBearing) + (xform)[3] * (-opci ->metrics.descent)) |
| 958 | point)((point)[0] = (xform)[0] * (opci->metrics.leftSideBearing) + (xform)[2] * (-opci->metrics.descent), (point)[1] = (xform )[1] * (opci->metrics.leftSideBearing) + (xform)[3] * (-opci ->metrics.descent)); |
| 959 | newlsb = point[0]; |
| 960 | newrsb = newlsb; |
| 961 | newdesc = -point[1]; |
| 962 | newasc = -newdesc; |
| 963 | TRANSFORM_POINT(xform,((point)[0] = (xform)[0] * (opci->metrics.leftSideBearing) + (xform)[2] * (opci->metrics.ascent), (point)[1] = (xform )[1] * (opci->metrics.leftSideBearing) + (xform)[3] * (opci ->metrics.ascent)) |
| 964 | opci->metrics.leftSideBearing,((point)[0] = (xform)[0] * (opci->metrics.leftSideBearing) + (xform)[2] * (opci->metrics.ascent), (point)[1] = (xform )[1] * (opci->metrics.leftSideBearing) + (xform)[3] * (opci ->metrics.ascent)) |
| 965 | opci->metrics.ascent,((point)[0] = (xform)[0] * (opci->metrics.leftSideBearing) + (xform)[2] * (opci->metrics.ascent), (point)[1] = (xform )[1] * (opci->metrics.leftSideBearing) + (xform)[3] * (opci ->metrics.ascent)) |
| 966 | point)((point)[0] = (xform)[0] * (opci->metrics.leftSideBearing) + (xform)[2] * (opci->metrics.ascent), (point)[1] = (xform )[1] * (opci->metrics.leftSideBearing) + (xform)[3] * (opci ->metrics.ascent)); |
| 967 | CHECK_EXTENT(newlsb, newrsb, newdesc, newasc, point)((newlsb) > (point)[0] ? (newlsb) = (point)[0] : 0 , (newrsb ) < (point)[0] ? (newrsb) = (point)[0] : 0, (-newdesc) > (point)[1] ? (newdesc) = -(point)[1] : 0 , (newasc) < (point )[1] ? (newasc) = (point)[1] : 0); |
| 968 | TRANSFORM_POINT(xform,((point)[0] = (xform)[0] * (opci->metrics.rightSideBearing ) + (xform)[2] * (-opci->metrics.descent), (point)[1] = (xform )[1] * (opci->metrics.rightSideBearing) + (xform)[3] * (-opci ->metrics.descent)) |
| 969 | opci->metrics.rightSideBearing,((point)[0] = (xform)[0] * (opci->metrics.rightSideBearing ) + (xform)[2] * (-opci->metrics.descent), (point)[1] = (xform )[1] * (opci->metrics.rightSideBearing) + (xform)[3] * (-opci ->metrics.descent)) |
| 970 | -opci->metrics.descent,((point)[0] = (xform)[0] * (opci->metrics.rightSideBearing ) + (xform)[2] * (-opci->metrics.descent), (point)[1] = (xform )[1] * (opci->metrics.rightSideBearing) + (xform)[3] * (-opci ->metrics.descent)) |
| 971 | point)((point)[0] = (xform)[0] * (opci->metrics.rightSideBearing ) + (xform)[2] * (-opci->metrics.descent), (point)[1] = (xform )[1] * (opci->metrics.rightSideBearing) + (xform)[3] * (-opci ->metrics.descent)); |
| 972 | CHECK_EXTENT(newlsb, newrsb, newdesc, newasc, point)((newlsb) > (point)[0] ? (newlsb) = (point)[0] : 0 , (newrsb ) < (point)[0] ? (newrsb) = (point)[0] : 0, (-newdesc) > (point)[1] ? (newdesc) = -(point)[1] : 0 , (newasc) < (point )[1] ? (newasc) = (point)[1] : 0); |
| 973 | TRANSFORM_POINT(xform,((point)[0] = (xform)[0] * (opci->metrics.rightSideBearing ) + (xform)[2] * (opci->metrics.ascent), (point)[1] = (xform )[1] * (opci->metrics.rightSideBearing) + (xform)[3] * (opci ->metrics.ascent)) |
| 974 | opci->metrics.rightSideBearing,((point)[0] = (xform)[0] * (opci->metrics.rightSideBearing ) + (xform)[2] * (opci->metrics.ascent), (point)[1] = (xform )[1] * (opci->metrics.rightSideBearing) + (xform)[3] * (opci ->metrics.ascent)) |
| 975 | opci->metrics.ascent,((point)[0] = (xform)[0] * (opci->metrics.rightSideBearing ) + (xform)[2] * (opci->metrics.ascent), (point)[1] = (xform )[1] * (opci->metrics.rightSideBearing) + (xform)[3] * (opci ->metrics.ascent)) |
| 976 | point)((point)[0] = (xform)[0] * (opci->metrics.rightSideBearing ) + (xform)[2] * (opci->metrics.ascent), (point)[1] = (xform )[1] * (opci->metrics.rightSideBearing) + (xform)[3] * (opci ->metrics.ascent)); |
| 977 | CHECK_EXTENT(newlsb, newrsb, newdesc, newasc, point)((newlsb) > (point)[0] ? (newlsb) = (point)[0] : 0 , (newrsb ) < (point)[0] ? (newrsb) = (point)[0] : 0, (-newdesc) > (point)[1] ? (newdesc) = -(point)[1] : 0 , (newasc) < (point )[1] ? (newasc) = (point)[1] : 0); |
| 978 | |
| 979 | pci->metrics.leftSideBearing = (int)floor(newlsb); |
| 980 | pci->metrics.rightSideBearing = (int)floor(newrsb + .5); |
| 981 | pci->metrics.descent = (int)ceil(newdesc); |
| 982 | pci->metrics.ascent = (int)floor(newasc + .5); |
| 983 | /* Accumulate total width of characters before transformation, |
| 984 | to ascertain predominant direction of font. */ |
| 985 | totalwidth += opci->metrics.characterWidth; |
| 986 | pci->metrics.characterWidth = |
| 987 | doround((double)opci->metrics.characterWidth * xmult); |
| 988 | pci->metrics.attributes = |
| 989 | doround((double)opci->metrics.characterWidth * sWidthMult); |
| 990 | if (!pci->metrics.characterWidth) |
| 991 | { |
| 992 | /* Since transformation may shrink width, height, and |
| 993 | escapement to zero, make sure existing characters |
| 994 | are not mistaken for undefined characters. */ |
| 995 | |
| 996 | if (pci->metrics.rightSideBearing == |
| 997 | pci->metrics.leftSideBearing) |
| 998 | pci->metrics.rightSideBearing++; |
| 999 | if (pci->metrics.ascent == -pci->metrics.descent) |
| 1000 | pci->metrics.ascent++; |
| 1001 | } |
| 1002 | |
| 1003 | pci++; |
| 1004 | } |
| 1005 | } |
| 1006 | |
| 1007 | |
| 1008 | /* |
| 1009 | * For each character, set the per-character metrics, scale the glyph, and |
| 1010 | * check per-font minbounds and maxbounds character information. |
| 1011 | */ |
| 1012 | |
| 1013 | pci = bitmapFont->metrics; |
Value stored to 'pci' is never read | |
| 1014 | for (i = 0; i < nchars; i++) |
| 1015 | { |
| 1016 | if ((pci = ACCESSENCODING(bitmapFont->encoding,i)(bitmapFont->encoding[(i)/128]?(bitmapFont->encoding[(i )/128][(i)%128]):0)) && |
| 1017 | (opci = ACCESSENCODING(obitmapFont->encoding,OLDINDEX(i))(obitmapFont->encoding[((((i)/(lastCol - firstCol + 1) + firstRow - opf->info.firstRow) * (opf->info.lastCol - opf->info .firstCol + 1) + (i)%(lastCol - firstCol + 1) + firstCol - opf ->info.firstCol))/128]?(obitmapFont->encoding[((((i)/(lastCol - firstCol + 1) + firstRow - opf->info.firstRow) * (opf-> info.lastCol - opf->info.firstCol + 1) + (i)%(lastCol - firstCol + 1) + firstCol - opf->info.firstCol))/128][((((i)/(lastCol - firstCol + 1) + firstRow - opf->info.firstRow) * (opf-> info.lastCol - opf->info.firstCol + 1) + (i)%(lastCol - firstCol + 1) + firstCol - opf->info.firstCol))%128]):0))) |
| 1018 | { |
| 1019 | totalchars++; |
| 1020 | *sWidth += abs((int)(INT16)pci->metrics.attributes); |
| 1021 | #define MINMAX(field) \ |
| 1022 | if (pfi->minbounds.field > pci->metrics.field) \ |
| 1023 | pfi->minbounds.field = pci->metrics.field; \ |
| 1024 | if (pfi->maxbounds.field < pci->metrics.field) \ |
| 1025 | pfi->maxbounds.field = pci->metrics.field |
| 1026 | |
| 1027 | MINMAX(leftSideBearing); |
| 1028 | MINMAX(rightSideBearing); |
| 1029 | MINMAX(ascent); |
| 1030 | MINMAX(descent); |
| 1031 | MINMAX(characterWidth); |
| 1032 | |
| 1033 | /* Hack: Cast attributes into a signed quantity. Tread lightly |
| 1034 | for now and don't go changing the global Xproto.h file */ |
| 1035 | if ((INT16)pfi->minbounds.attributes > |
| 1036 | (INT16)pci->metrics.attributes) |
| 1037 | pfi->minbounds.attributes = pci->metrics.attributes; |
| 1038 | if ((INT16)pfi->maxbounds.attributes < |
| 1039 | (INT16)pci->metrics.attributes) |
| 1040 | pfi->maxbounds.attributes = pci->metrics.attributes; |
| 1041 | #undef MINMAX |
| 1042 | } |
| 1043 | } |
| 1044 | pfi->ink_minbounds = pfi->minbounds; |
| 1045 | pfi->ink_maxbounds = pfi->maxbounds; |
| 1046 | if (totalchars) |
| 1047 | { |
| 1048 | *sWidth = (*sWidth * 10 + totalchars / 2) / totalchars; |
| 1049 | if (totalwidth < 0) |
| 1050 | { |
| 1051 | /* Dominant direction is R->L */ |
| 1052 | *sWidth = -*sWidth; |
| 1053 | } |
| 1054 | |
| 1055 | if (pfi->minbounds.characterWidth == pfi->maxbounds.characterWidth) |
| 1056 | vals->width = pfi->minbounds.characterWidth * 10; |
| 1057 | else |
| 1058 | vals->width = doround((double)*sWidth * vals->pixel_matrix[0] / |
| 1059 | 1000.0); |
| 1060 | } |
| 1061 | else |
| 1062 | { |
| 1063 | vals->width = 0; |
| 1064 | *sWidth = 0; |
| 1065 | } |
| 1066 | FontComputeInfoAccelerators (pfi); |
| 1067 | |
| 1068 | if (pfi->defaultCh != (unsigned short) NO_SUCH_CHAR-1) { |
| 1069 | unsigned int r, |
| 1070 | c, |
| 1071 | cols; |
| 1072 | |
| 1073 | r = pfi->defaultCh >> 8; |
| 1074 | c = pfi->defaultCh & 0xFF; |
| 1075 | if (pfi->firstRow <= r && r <= pfi->lastRow && |
| 1076 | pfi->firstCol <= c && c <= pfi->lastCol) { |
| 1077 | cols = pfi->lastCol - pfi->firstCol + 1; |
| 1078 | r = r - pfi->firstRow; |
| 1079 | c = c - pfi->firstCol; |
| 1080 | bitmapFont->pDefault = |
| 1081 | ACCESSENCODING(bitmapFont->encoding, r * cols + c)(bitmapFont->encoding[(r * cols + c)/128]?(bitmapFont-> encoding[(r * cols + c)/128][(r * cols + c)%128]):0); |
| 1082 | } |
| 1083 | } |
| 1084 | |
| 1085 | *newWidthMult = xmult; |
| 1086 | *newHeightMult = ymult; |
| 1087 | return pf; |
| 1088 | bail: |
| 1089 | if (pf) |
| 1090 | free(pf); |
| 1091 | if (bitmapFont) { |
| 1092 | free(bitmapFont->metrics); |
| 1093 | free(bitmapFont->ink_metrics); |
| 1094 | free(bitmapFont->bitmaps); |
| 1095 | if(bitmapFont->encoding) |
| 1096 | for(i=0; i<NUM_SEGMENTS(nchars)(((nchars)+128 -1)/128); i++) |
| 1097 | free(bitmapFont->encoding[i]); |
| 1098 | free(bitmapFont->encoding); |
| 1099 | } |
| 1100 | return NULL((void *)0); |
| 1101 | } |
| 1102 | |
| 1103 | static void |
| 1104 | ScaleBitmap(FontPtr pFont, CharInfoPtr opci, CharInfoPtr pci, |
| 1105 | double *inv_xform, double widthMult, double heightMult) |
| 1106 | { |
| 1107 | register char *bitmap, /* The bits */ |
| 1108 | *newBitmap; |
| 1109 | register int bpr, /* Padding information */ |
| 1110 | newBpr; |
| 1111 | int width, /* Extents information */ |
| 1112 | height, |
| 1113 | newWidth, |
| 1114 | newHeight; |
| 1115 | register int row, /* Loop variables */ |
| 1116 | col; |
| 1117 | INT32 deltaX, /* Increments for resampling loop */ |
| 1118 | deltaY; |
| 1119 | INT32 xValue, /* Subscripts for resampling loop */ |
| 1120 | yValue; |
| 1121 | double point[2]; |
| 1122 | unsigned char *char_grayscale = 0; |
| 1123 | INT32 *diffusion_workspace = NULL((void *)0), *thisrow = NULL((void *)0), |
| 1124 | *nextrow = NULL((void *)0), pixmult = 0; |
| 1125 | int box_x = 0, box_y = 0; |
| 1126 | |
| 1127 | static unsigned char masklsb[] = |
| 1128 | { 0x1, 0x2, 0x4, 0x8, 0x10, 0x20, 0x40, 0x80 }; |
| 1129 | static unsigned char maskmsb[] = |
| 1130 | { 0x80, 0x40, 0x20, 0x10, 0x8, 0x4, 0x2, 0x1 }; |
| 1131 | unsigned char *mask = (pFont->bit == LSBFirst0 ? masklsb : maskmsb); |
| 1132 | |
| 1133 | |
| 1134 | bitmap = opci->bits; |
| 1135 | newBitmap = pci->bits; |
| 1136 | width = GLYPHWIDTHPIXELS(opci)((opci)->metrics.rightSideBearing - (opci)->metrics.leftSideBearing ); |
| 1137 | height = GLYPHHEIGHTPIXELS(opci)((opci)->metrics.ascent + (opci)->metrics.descent); |
| 1138 | newWidth = GLYPHWIDTHPIXELS(pci)((pci)->metrics.rightSideBearing - (pci)->metrics.leftSideBearing ); |
| 1139 | newHeight = GLYPHHEIGHTPIXELS(pci)((pci)->metrics.ascent + (pci)->metrics.descent); |
| 1140 | if (!newWidth || !newHeight || !width || !height) |
| 1141 | return; |
| 1142 | |
| 1143 | bpr = BYTES_PER_ROW(width, pFont->glyph)((pFont->glyph) == 1 ? (((width)+7)>>3) :(pFont-> glyph) == 2 ? ((((width)+15)>>3)&~1) :(pFont->glyph ) == 4 ? ((((width)+31)>>3)&~3) :(pFont->glyph) == 8 ? ((((width)+63)>>3)&~7) : 0); |
| 1144 | newBpr = BYTES_PER_ROW(newWidth, pFont->glyph)((pFont->glyph) == 1 ? (((newWidth)+7)>>3) :(pFont-> glyph) == 2 ? ((((newWidth)+15)>>3)&~1) :(pFont-> glyph) == 4 ? ((((newWidth)+31)>>3)&~3) :(pFont-> glyph) == 8 ? ((((newWidth)+63)>>3)&~7) : 0); |
| 1145 | |
| 1146 | if (widthMult > 0.0 && heightMult > 0.0 && |
| 1147 | (widthMult < 1.0 || heightMult < 1.0)) |
| 1148 | { |
| 1149 | /* We are reducing in one or both dimensions. In an attempt to |
| 1150 | reduce aliasing, we'll antialias by passing the original |
| 1151 | glyph through a low-pass box filter (which results in a |
| 1152 | grayscale image), then use error diffusion to create bitonal |
| 1153 | output in the resampling loop. */ |
| 1154 | |
| 1155 | /* First compute the sizes of the box filter */ |
| 1156 | widthMult = ceil(1.0 / widthMult); |
| 1157 | heightMult = ceil(1.0 / heightMult); |
| 1158 | box_x = width / 2; |
| 1159 | box_y = height / 2; |
| 1160 | if (widthMult < (double)box_x) box_x = (int)widthMult; |
| 1161 | if (heightMult < (double)box_y) box_y = (int)heightMult; |
| 1162 | /* The pixmult value (below) is used to darken the image before |
| 1163 | we perform error diffusion: a necessary concession to the |
| 1164 | fact that it's very difficult to generate readable halftoned |
| 1165 | glyphs. The degree of darkening is proportional to the size |
| 1166 | of the blurring filter, hence inversely proportional to the |
| 1167 | darkness of the lightest gray that results from antialiasing. |
| 1168 | The result is that characters that exercise this logic (those |
| 1169 | generated by reducing from a larger source font) tend to err |
| 1170 | on the side of being too bold instead of being too light to |
| 1171 | be readable. */ |
| 1172 | pixmult = box_x * box_y * 192; |
| 1173 | |
| 1174 | if (box_x > 1 || box_y > 1) |
| 1175 | { |
| 1176 | /* Looks like we need to anti-alias. Create a workspace to |
| 1177 | contain the grayscale character plus an additional row and |
| 1178 | column for scratch */ |
| 1179 | char_grayscale = malloc((width + 1) * (height + 1)); |
| 1180 | if (char_grayscale) |
| 1181 | { |
| 1182 | diffusion_workspace = calloc((newWidth + 2) * 2, sizeof(int)); |
| 1183 | if (!diffusion_workspace) |
| 1184 | { |
| 1185 | fprintf(stderr__stderrp, "Warning: Couldn't allocate diffusion" |
| 1186 | " workspace (%ld)\n", |
| 1187 | (newWidth + 2) * 2 * (unsigned long)sizeof(int)); |
| 1188 | free(char_grayscale); |
| 1189 | char_grayscale = (unsigned char *)0; |
| 1190 | } |
| 1191 | /* Initialize our error diffusion workspace for later use */ |
| 1192 | thisrow = diffusion_workspace + 1; |
| 1193 | nextrow = diffusion_workspace + newWidth + 3; |
| 1194 | } else { |
| 1195 | fprintf(stderr__stderrp, "Warning: Couldn't allocate character grayscale (%d)\n", (width + 1) * (height + 1)); |
| 1196 | } |
| 1197 | } |
| 1198 | } |
| 1199 | |
| 1200 | if (char_grayscale) |
| 1201 | { |
| 1202 | /* We will be doing antialiasing. First copy the bitmap into |
| 1203 | our buffer, mapping input range [0,1] to output range |
| 1204 | [0,255]. */ |
| 1205 | register unsigned char *srcptr, *dstptr; |
| 1206 | srcptr = (unsigned char *)bitmap; |
| 1207 | dstptr = char_grayscale; |
| 1208 | for (row = 0; row < height; row++) |
| 1209 | { |
| 1210 | for (col = 0; col < width; col++) |
| 1211 | *dstptr++ = (srcptr[col >> 3] & mask[col & 0x7]) ? 255 : 0; |
| 1212 | srcptr += bpr; /* On to next row of source */ |
| 1213 | dstptr++; /* Skip scratch column in dest */ |
| 1214 | } |
| 1215 | if (box_x > 1) |
| 1216 | { |
| 1217 | /* Our box filter has a width > 1... let's filter the rows */ |
| 1218 | |
| 1219 | int right_width = box_x / 2; |
| 1220 | int left_width = box_x - right_width - 1; |
| 1221 | |
| 1222 | for (row = 0; row < height; row++) |
| 1223 | { |
| 1224 | int sum = 0; |
| 1225 | int left_size = 0, right_size = 0; |
| 1226 | |
| 1227 | srcptr = char_grayscale + (width + 1) * row; |
| 1228 | dstptr = char_grayscale + (width + 1) * height; /* scratch */ |
| 1229 | |
| 1230 | /* We've computed the shape of our full box filter. Now |
| 1231 | compute the right-hand part of the moving sum */ |
| 1232 | for (right_size = 0; right_size < right_width; right_size++) |
| 1233 | sum += srcptr[right_size]; |
| 1234 | |
| 1235 | /* Now start moving the sum, growing the box filter, and |
| 1236 | dropping averages into our scratch buffer */ |
| 1237 | for (left_size = 0; left_size < left_width; left_size++) |
| 1238 | { |
| 1239 | sum += srcptr[right_width]; |
| 1240 | *dstptr++ = sum / (left_size + right_width + 1); |
| 1241 | srcptr++; |
| 1242 | } |
| 1243 | |
| 1244 | /* The box filter has reached full width... continue |
| 1245 | computation of moving average until the right side |
| 1246 | hits the wall. */ |
| 1247 | for (col = left_size; col + right_size < width; col++) |
| 1248 | { |
| 1249 | sum += srcptr[right_width]; |
| 1250 | *dstptr++ = sum / box_x; |
| 1251 | sum -= srcptr[-left_width]; |
| 1252 | srcptr++; |
| 1253 | } |
| 1254 | |
| 1255 | /* Collapse the right side of the box filter */ |
| 1256 | for (; right_size > 0; right_size--) |
| 1257 | { |
| 1258 | *dstptr++ = sum / (left_width + right_size); |
| 1259 | sum -= srcptr[-left_width]; |
| 1260 | srcptr++; |
| 1261 | } |
| 1262 | |
| 1263 | /* Done with the row... copy dest back over source */ |
| 1264 | memmove(char_grayscale + (width + 1) * row,__builtin___memmove_chk (char_grayscale + (width + 1) * row, char_grayscale + (width + 1) * height, width, __builtin_object_size (char_grayscale + (width + 1) * row, 0)) |
| 1265 | char_grayscale + (width + 1) * height,__builtin___memmove_chk (char_grayscale + (width + 1) * row, char_grayscale + (width + 1) * height, width, __builtin_object_size (char_grayscale + (width + 1) * row, 0)) |
| 1266 | width)__builtin___memmove_chk (char_grayscale + (width + 1) * row, char_grayscale + (width + 1) * height, width, __builtin_object_size (char_grayscale + (width + 1) * row, 0)); |
| 1267 | } |
| 1268 | } |
| 1269 | if (box_y > 1) |
| 1270 | { |
| 1271 | /* Our box filter has a height > 1... let's filter the columns */ |
| 1272 | |
| 1273 | int bottom_height = box_y / 2; |
| 1274 | int top_height = box_y - bottom_height - 1; |
| 1275 | |
| 1276 | for (col = 0; col < width; col++) |
| 1277 | { |
| 1278 | int sum = 0; |
| 1279 | int top_size = 0, bottom_size = 0; |
| 1280 | |
| 1281 | srcptr = char_grayscale + col; |
| 1282 | dstptr = char_grayscale + width; /* scratch */ |
| 1283 | |
| 1284 | /* We've computed the shape of our full box filter. Now |
| 1285 | compute the bottom part of the moving sum */ |
| 1286 | for (bottom_size = 0; |
| 1287 | bottom_size < bottom_height; |
| 1288 | bottom_size++) |
| 1289 | sum += srcptr[bottom_size * (width + 1)]; |
| 1290 | |
| 1291 | /* Now start moving the sum, growing the box filter, and |
| 1292 | dropping averages into our scratch buffer */ |
| 1293 | for (top_size = 0; top_size < top_height; top_size++) |
| 1294 | { |
| 1295 | sum += srcptr[bottom_height * (width + 1)]; |
| 1296 | *dstptr = sum / (top_size + bottom_height + 1); |
| 1297 | dstptr += width + 1; |
| 1298 | srcptr += width + 1; |
| 1299 | } |
| 1300 | |
| 1301 | /* The box filter has reached full height... continue |
| 1302 | computation of moving average until the bottom |
| 1303 | hits the wall. */ |
| 1304 | for (row = top_size; row + bottom_size < height; row++) |
| 1305 | { |
| 1306 | sum += srcptr[bottom_height * (width + 1)]; |
| 1307 | *dstptr = sum / box_y; |
| 1308 | dstptr += width + 1; |
| 1309 | sum -= srcptr[-top_height * (width + 1)]; |
| 1310 | srcptr += width + 1; |
| 1311 | } |
| 1312 | |
| 1313 | /* Collapse the bottom of the box filter */ |
| 1314 | for (; bottom_size > 0; bottom_size--) |
| 1315 | { |
| 1316 | *dstptr = sum / (top_height + bottom_size); |
| 1317 | dstptr += width + 1; |
| 1318 | sum -= srcptr[-top_height * (width + 1)]; |
| 1319 | srcptr += width + 1; |
| 1320 | } |
| 1321 | |
| 1322 | /* Done with the column... copy dest back over source */ |
| 1323 | |
| 1324 | dstptr = char_grayscale + col; |
| 1325 | srcptr = char_grayscale + width; /* scratch */ |
| 1326 | for (row = 0; row < height; row++) |
| 1327 | { |
| 1328 | *dstptr = *srcptr; |
| 1329 | dstptr += width + 1; |
| 1330 | srcptr += width + 1; |
| 1331 | } |
| 1332 | } |
| 1333 | } |
| 1334 | |
| 1335 | /* Increase the grayvalue to increase ink a bit */ |
| 1336 | srcptr = char_grayscale; |
| 1337 | for (row = 0; row < height; row++) |
| 1338 | { |
| 1339 | for (col = 0; col < width; col++) |
| 1340 | { |
| 1341 | register int pixvalue = (int)*srcptr * pixmult / 256; |
| 1342 | if (pixvalue > 255) pixvalue = 255; |
| 1343 | *srcptr = pixvalue; |
| 1344 | srcptr++; |
| 1345 | } |
| 1346 | srcptr++; |
| 1347 | } |
| 1348 | } |
| 1349 | |
| 1350 | /* Compute the increment values for the resampling loop */ |
| 1351 | TRANSFORM_POINT(inv_xform, 1, 0, point)((point)[0] = (inv_xform)[0] * (1) + (inv_xform)[2] * (0), (point )[1] = (inv_xform)[1] * (1) + (inv_xform)[3] * (0)); |
| 1352 | deltaX = (INT32)(point[0] * 65536.0); |
| 1353 | deltaY = (INT32)(-point[1] * 65536.0); |
| 1354 | |
| 1355 | /* Resampling loop: resamples original glyph for generation of new |
| 1356 | glyph in transformed coordinate system. */ |
| 1357 | |
| 1358 | for (row = 0; row < newHeight; row++) |
| 1359 | { |
| 1360 | /* Compute inverse transformation for start of this row */ |
| 1361 | TRANSFORM_POINT(inv_xform,((point)[0] = (inv_xform)[0] * ((double)(pci->metrics.leftSideBearing ) + .5) + (inv_xform)[2] * ((double)(pci->metrics.ascent - row) - .5), (point)[1] = (inv_xform)[1] * ((double)(pci-> metrics.leftSideBearing) + .5) + (inv_xform)[3] * ((double)(pci ->metrics.ascent - row) - .5)) |
| 1362 | (double)(pci->metrics.leftSideBearing) + .5,((point)[0] = (inv_xform)[0] * ((double)(pci->metrics.leftSideBearing ) + .5) + (inv_xform)[2] * ((double)(pci->metrics.ascent - row) - .5), (point)[1] = (inv_xform)[1] * ((double)(pci-> metrics.leftSideBearing) + .5) + (inv_xform)[3] * ((double)(pci ->metrics.ascent - row) - .5)) |
| 1363 | (double)(pci->metrics.ascent - row) - .5,((point)[0] = (inv_xform)[0] * ((double)(pci->metrics.leftSideBearing ) + .5) + (inv_xform)[2] * ((double)(pci->metrics.ascent - row) - .5), (point)[1] = (inv_xform)[1] * ((double)(pci-> metrics.leftSideBearing) + .5) + (inv_xform)[3] * ((double)(pci ->metrics.ascent - row) - .5)) |
| 1364 | point)((point)[0] = (inv_xform)[0] * ((double)(pci->metrics.leftSideBearing ) + .5) + (inv_xform)[2] * ((double)(pci->metrics.ascent - row) - .5), (point)[1] = (inv_xform)[1] * ((double)(pci-> metrics.leftSideBearing) + .5) + (inv_xform)[3] * ((double)(pci ->metrics.ascent - row) - .5)); |
| 1365 | |
| 1366 | /* Adjust for coordinate system to get resampling point */ |
| 1367 | point[0] -= opci->metrics.leftSideBearing; |
| 1368 | point[1] = opci->metrics.ascent - point[1]; |
| 1369 | |
| 1370 | /* Convert to integer coordinates */ |
| 1371 | xValue = (INT32)(point[0] * 65536.0); |
| 1372 | yValue = (INT32)(point[1] * 65536.0); |
| 1373 | |
| 1374 | if (char_grayscale) |
| 1375 | { |
| 1376 | INT32 *temp; |
| 1377 | for (col = 0; col < newWidth; col++) |
| 1378 | { |
| 1379 | register int x = xValue >> 16, y = yValue >> 16; |
| 1380 | int pixvalue, error; |
| 1381 | |
| 1382 | pixvalue = ((x >= 0 && x < width && y >= 0 && y < height) ? |
| 1383 | char_grayscale[x + y * (width + 1)] : 0) + |
| 1384 | thisrow[col] / 16; |
| 1385 | if (pixvalue > 255) pixvalue = 255; |
| 1386 | else if (pixvalue < 0) pixvalue = 0; |
| 1387 | |
| 1388 | /* Choose the bit value and set resulting error value */ |
| 1389 | if (pixvalue >= 128) |
| 1390 | { |
| 1391 | newBitmap[(col >> 3) + row * newBpr] |= mask[col & 0x7]; |
| 1392 | error = pixvalue - 255; |
| 1393 | } |
| 1394 | else |
| 1395 | error = -pixvalue; |
| 1396 | |
| 1397 | /* Diffuse the error */ |
| 1398 | thisrow[col + 1] += error * 7; |
| 1399 | nextrow[col - 1] += error * 3; |
| 1400 | nextrow[col] += error * 5; |
| 1401 | nextrow[col + 1] = error; |
| 1402 | |
| 1403 | xValue += deltaX; |
| 1404 | yValue += deltaY; |
| 1405 | } |
| 1406 | |
| 1407 | /* Add in error values that fell off either end */ |
| 1408 | nextrow[0] += nextrow[-1]; |
| 1409 | nextrow[newWidth - 2] += thisrow[newWidth]; |
| 1410 | nextrow[newWidth - 1] += nextrow[newWidth]; |
| 1411 | nextrow[newWidth] = 0; |
| 1412 | |
| 1413 | temp = nextrow; |
| 1414 | nextrow = thisrow; |
| 1415 | thisrow = temp; |
| 1416 | nextrow[-1] = nextrow[0] = 0; |
| 1417 | } |
| 1418 | else |
| 1419 | { |
| 1420 | for (col = 0; col < newWidth; col++) |
| 1421 | { |
| 1422 | register int x = xValue >> 16, y = yValue >> 16; |
| 1423 | |
| 1424 | if (x >= 0 && x < width && y >= 0 && y < height) |
| 1425 | { |
| 1426 | /* Use point-sampling for rescaling. */ |
| 1427 | |
| 1428 | if (bitmap[(x >> 3) + y * bpr] & mask[x & 0x7]) |
| 1429 | newBitmap[(col >> 3) + row * newBpr] |= mask[col & 0x7]; |
| 1430 | } |
| 1431 | |
| 1432 | xValue += deltaX; |
| 1433 | yValue += deltaY; |
| 1434 | } |
| 1435 | } |
| 1436 | } |
| 1437 | |
| 1438 | |
| 1439 | if (char_grayscale) |
| 1440 | { |
| 1441 | free(char_grayscale); |
| 1442 | free(diffusion_workspace); |
| 1443 | } |
| 1444 | } |
| 1445 | |
| 1446 | static FontPtr |
| 1447 | BitmapScaleBitmaps(FontPtr pf, /* scaled font */ |
| 1448 | FontPtr opf, /* originating font */ |
| 1449 | double widthMult, /* glyphs width scale factor */ |
| 1450 | double heightMult, /* glyphs height scale factor */ |
| 1451 | FontScalablePtr vals) |
| 1452 | { |
| 1453 | register int i; |
| 1454 | int nchars = 0; |
| 1455 | char *glyphBytes; |
| 1456 | BitmapFontPtr bitmapFont, |
| 1457 | obitmapFont; |
| 1458 | CharInfoPtr pci, |
| 1459 | opci; |
| 1460 | FontInfoPtr pfi; |
| 1461 | int glyph; |
| 1462 | unsigned bytestoalloc = 0; |
| 1463 | int firstCol, lastCol, firstRow, lastRow; |
| 1464 | |
| 1465 | double xform[4], inv_xform[4]; |
| 1466 | double xmult, ymult; |
| 1467 | |
| 1468 | bitmapFont = (BitmapFontPtr) pf->fontPrivate; |
| 1469 | obitmapFont = (BitmapFontPtr) opf->fontPrivate; |
| 1470 | |
| 1471 | if (!compute_xform_matrix(vals, widthMult, heightMult, xform, |
| 1472 | inv_xform, &xmult, &ymult)) |
| 1473 | goto bail; |
| 1474 | |
| 1475 | pfi = &pf->info; |
| 1476 | firstCol = pfi->firstCol; |
| 1477 | lastCol = pfi->lastCol; |
| 1478 | firstRow = pfi->firstRow; |
| 1479 | lastRow = pfi->lastRow; |
| 1480 | |
| 1481 | nchars = (lastRow - firstRow + 1) * (lastCol - firstCol + 1); |
| 1482 | glyph = pf->glyph; |
| 1483 | for (i = 0; i < nchars; i++) |
| 1484 | { |
| 1485 | if ((pci = ACCESSENCODING(bitmapFont->encoding, i)(bitmapFont->encoding[(i)/128]?(bitmapFont->encoding[(i )/128][(i)%128]):0))) |
| 1486 | bytestoalloc += BYTES_FOR_GLYPH(pci, glyph)(((pci)->metrics.ascent + (pci)->metrics.descent) * ((glyph ) == 1 ? (((((pci)->metrics.rightSideBearing - (pci)->metrics .leftSideBearing))+7)>>3) :(glyph) == 2 ? ((((((pci)-> metrics.rightSideBearing - (pci)->metrics.leftSideBearing) )+15)>>3)&~1) :(glyph) == 4 ? ((((((pci)->metrics .rightSideBearing - (pci)->metrics.leftSideBearing))+31)>> 3)&~3) :(glyph) == 8 ? ((((((pci)->metrics.rightSideBearing - (pci)->metrics.leftSideBearing))+63)>>3)&~7) : 0)); |
| 1487 | } |
| 1488 | |
| 1489 | /* Do we add the font malloc stuff for VALUE ADDED ? */ |
| 1490 | /* Will need to remember to free in the Unload routine */ |
| 1491 | |
| 1492 | |
| 1493 | bitmapFont->bitmaps = calloc(1, bytestoalloc); |
| 1494 | if (!bitmapFont->bitmaps) { |
| 1495 | fprintf(stderr__stderrp, "Error: Couldn't allocate bitmaps (%d)\n", bytestoalloc); |
| 1496 | goto bail; |
| 1497 | } |
| 1498 | |
| 1499 | glyphBytes = bitmapFont->bitmaps; |
| 1500 | for (i = 0; i < nchars; i++) |
| 1501 | { |
| 1502 | if ((pci = ACCESSENCODING(bitmapFont->encoding, i)(bitmapFont->encoding[(i)/128]?(bitmapFont->encoding[(i )/128][(i)%128]):0)) && |
| 1503 | (opci = ACCESSENCODING(obitmapFont->encoding, OLDINDEX(i))(obitmapFont->encoding[((((i)/(lastCol - firstCol + 1) + firstRow - opf->info.firstRow) * (opf->info.lastCol - opf->info .firstCol + 1) + (i)%(lastCol - firstCol + 1) + firstCol - opf ->info.firstCol))/128]?(obitmapFont->encoding[((((i)/(lastCol - firstCol + 1) + firstRow - opf->info.firstRow) * (opf-> info.lastCol - opf->info.firstCol + 1) + (i)%(lastCol - firstCol + 1) + firstCol - opf->info.firstCol))/128][((((i)/(lastCol - firstCol + 1) + firstRow - opf->info.firstRow) * (opf-> info.lastCol - opf->info.firstCol + 1) + (i)%(lastCol - firstCol + 1) + firstCol - opf->info.firstCol))%128]):0))) |
| 1504 | { |
| 1505 | pci->bits = glyphBytes; |
| 1506 | ScaleBitmap (pf, opci, pci, inv_xform, |
| 1507 | widthMult, heightMult); |
| 1508 | glyphBytes += BYTES_FOR_GLYPH(pci, glyph)(((pci)->metrics.ascent + (pci)->metrics.descent) * ((glyph ) == 1 ? (((((pci)->metrics.rightSideBearing - (pci)->metrics .leftSideBearing))+7)>>3) :(glyph) == 2 ? ((((((pci)-> metrics.rightSideBearing - (pci)->metrics.leftSideBearing) )+15)>>3)&~1) :(glyph) == 4 ? ((((((pci)->metrics .rightSideBearing - (pci)->metrics.leftSideBearing))+31)>> 3)&~3) :(glyph) == 8 ? ((((((pci)->metrics.rightSideBearing - (pci)->metrics.leftSideBearing))+63)>>3)&~7) : 0)); |
| 1509 | } |
| 1510 | } |
| 1511 | return pf; |
| 1512 | |
| 1513 | bail: |
| 1514 | if (pf) |
| 1515 | free(pf); |
| 1516 | if (bitmapFont) { |
| 1517 | free(bitmapFont->metrics); |
| 1518 | free(bitmapFont->ink_metrics); |
| 1519 | free(bitmapFont->bitmaps); |
| 1520 | if(bitmapFont->encoding) |
| 1521 | for(i=0; i<NUM_SEGMENTS(nchars)(((nchars)+128 -1)/128); i++) |
| 1522 | free(bitmapFont->encoding[i]); |
| 1523 | free(bitmapFont->encoding); |
| 1524 | } |
| 1525 | return NULL((void *)0); |
| 1526 | } |
| 1527 | |
| 1528 | /* ARGSUSED */ |
| 1529 | int |
| 1530 | BitmapOpenScalable (FontPathElementPtr fpe, |
| 1531 | FontPtr *pFont, |
| 1532 | int flags, |
| 1533 | FontEntryPtr entry, |
| 1534 | char *fileName, /* unused */ |
| 1535 | FontScalablePtr vals, |
| 1536 | fsBitmapFormat format, |
| 1537 | fsBitmapFormatMask fmask, |
| 1538 | FontPtr non_cachable_font) /* We don't do licensing */ |
| 1539 | { |
| 1540 | FontScalableRec best; |
| 1541 | FontPtr font = NullFont((FontPtr) 0); |
| 1542 | double dx, sdx, |
| 1543 | dy, sdy, |
| 1544 | savedX, savedY; |
| 1545 | FontPropPtr props; |
| 1546 | char *isStringProp = NULL((void *)0); |
| 1547 | int propCount; |
| 1548 | int status; |
| 1549 | long sWidth; |
| 1550 | |
| 1551 | FontEntryPtr scaleFrom; |
| 1552 | FontPathElementPtr scaleFPE = NULL((void *)0); |
| 1553 | FontPtr sourceFont; |
| 1554 | char fontName[MAXFONTNAMELEN1024]; |
| 1555 | |
| 1556 | /* Can't deal with mix-endian fonts yet */ |
| 1557 | |
| 1558 | |
| 1559 | /* Reject outrageously small font sizes to keep the math from |
| 1560 | blowing up. */ |
| 1561 | if (get_matrix_vertical_component(vals->pixel_matrix) < 1.0 || |
| 1562 | get_matrix_horizontal_component(vals->pixel_matrix) < 1.0) |
| 1563 | return BadFontName83; |
| 1564 | |
| 1565 | scaleFrom = FindBestToScale(fpe, entry, vals, &best, &dx, &dy, &sdx, &sdy, |
| 1566 | &scaleFPE); |
| 1567 | |
| 1568 | if (!scaleFrom) |
| 1569 | return BadFontName83; |
| 1570 | |
| 1571 | status = FontFileOpenBitmap(scaleFPE, &sourceFont, LoadAll0x1, scaleFrom, |
| 1572 | format, fmask); |
| 1573 | |
| 1574 | if (status != Successful85) |
| 1575 | return BadFontName83; |
| 1576 | |
| 1577 | if (!vals->width) |
| 1578 | vals->width = best.width * dx; |
| 1579 | |
| 1580 | /* Compute the scaled font */ |
| 1581 | |
| 1582 | savedX = dx; |
| 1583 | savedY = dy; |
| 1584 | font = ScaleFont(sourceFont, dx, dy, sdx, sdy, vals, &dx, &dy, &sWidth); |
| 1585 | if (font) |
| 1586 | font = BitmapScaleBitmaps(font, sourceFont, savedX, savedY, vals); |
| 1587 | |
| 1588 | if (!font) |
| 1589 | { |
| 1590 | if (!sourceFont->refcnt) |
| 1591 | FontFileCloseFont((FontPathElementPtr) 0, sourceFont); |
| 1592 | return AllocError80; |
| 1593 | } |
| 1594 | |
| 1595 | /* Prepare font properties for the new font */ |
| 1596 | |
| 1597 | strcpy (fontName, scaleFrom->name.name)__builtin___strcpy_chk (fontName, scaleFrom->name.name, __builtin_object_size (fontName, 2 > 1 ? 1 : 0)); |
| 1598 | FontParseXLFDName (fontName, vals, FONT_XLFD_REPLACE_VALUE3); |
| 1599 | |
| 1600 | propCount = ComputeScaledProperties(&sourceFont->info, fontName, vals, |
| 1601 | dx, dy, sdx, sdy, sWidth, &props, |
| 1602 | &isStringProp); |
| 1603 | |
| 1604 | if (!sourceFont->refcnt) |
| 1605 | FontFileCloseFont((FontPathElementPtr) 0, sourceFont); |
| 1606 | |
| 1607 | font->info.props = props; |
| 1608 | font->info.nprops = propCount; |
| 1609 | font->info.isStringProp = isStringProp; |
| 1610 | |
| 1611 | if (propCount && (!props || !isStringProp)) |
| 1612 | { |
| 1613 | bitmapUnloadScalable(font); |
| 1614 | return AllocError80; |
| 1615 | } |
| 1616 | |
| 1617 | *pFont = font; |
| 1618 | return Successful85; |
| 1619 | } |
| 1620 | |
| 1621 | int |
| 1622 | BitmapGetInfoScalable (FontPathElementPtr fpe, |
| 1623 | FontInfoPtr pFontInfo, |
| 1624 | FontEntryPtr entry, |
| 1625 | FontNamePtr fontName, |
| 1626 | char *fileName, |
| 1627 | FontScalablePtr vals) |
| 1628 | { |
| 1629 | FontPtr pfont; |
| 1630 | int flags = 0; |
| 1631 | long format = 0; /* It doesn't matter what format for just info */ |
| 1632 | long fmask = 0; |
| 1633 | int ret; |
| 1634 | |
| 1635 | ret = BitmapOpenScalable(fpe, &pfont, flags, entry, fileName, vals, |
| 1636 | format, fmask, NULL((void *)0)); |
| 1637 | if (ret != Successful85) |
| 1638 | return ret; |
| 1639 | *pFontInfo = pfont->info; |
| 1640 | |
| 1641 | pfont->info.nprops = 0; |
| 1642 | pfont->info.props = NULL((void *)0); |
| 1643 | pfont->info.isStringProp = NULL((void *)0); |
| 1644 | |
| 1645 | (*pfont->unload_font)(pfont); |
| 1646 | return Successful85; |
| 1647 | } |
| 1648 | |
| 1649 | static void |
| 1650 | bitmapUnloadScalable (FontPtr pFont) |
| 1651 | { |
| 1652 | BitmapFontPtr bitmapFont; |
| 1653 | FontInfoPtr pfi; |
| 1654 | int i, nencoding; |
| 1655 | |
| 1656 | bitmapFont = (BitmapFontPtr) pFont->fontPrivate; |
| 1657 | pfi = &pFont->info; |
| 1658 | free (pfi->props); |
| 1659 | free (pfi->isStringProp); |
| 1660 | if(bitmapFont->encoding) { |
| 1661 | nencoding = (pFont->info.lastCol - pFont->info.firstCol + 1) * |
| 1662 | (pFont->info.lastRow - pFont->info.firstRow + 1); |
| 1663 | for(i=0; i<NUM_SEGMENTS(nencoding)(((nencoding)+128 -1)/128); i++) |
| 1664 | free(bitmapFont->encoding[i]); |
| 1665 | } |
| 1666 | free (bitmapFont->encoding); |
| 1667 | free (bitmapFont->bitmaps); |
| 1668 | free (bitmapFont->ink_metrics); |
| 1669 | free (bitmapFont->metrics); |
| 1670 | free (pFont->fontPrivate); |
| 1671 | DestroyFontRec (pFont); |
| 1672 | } |