| File: | bitmap/bitscale.c |
| Location: | line 1495, column 27 |
| Description: | Call to 'calloc' has an allocation size of 0 bytes |
| 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 | #include "libxfontint.h" | |||
| 37 | ||||
| 38 | #include <X11/fonts/fntfilst.h> | |||
| 39 | #include <X11/fonts/bitmap.h> | |||
| 40 | #include <X11/fonts/fontutil.h> | |||
| 41 | #include <math.h> | |||
| 42 | ||||
| 43 | #ifndef MAX | |||
| 44 | #define MAX(a,b)(((a)>(b)) ? a : b) (((a)>(b)) ? a : b) | |||
| 45 | #endif | |||
| 46 | ||||
| 47 | static void bitmapUnloadScalable (FontPtr pFont); | |||
| 48 | static void ScaleBitmap ( FontPtr pFont, CharInfoPtr opci, | |||
| 49 | CharInfoPtr pci, double *inv_xform, | |||
| 50 | double widthMult, double heightMult ); | |||
| 51 | static FontPtr BitmapScaleBitmaps(FontPtr pf, FontPtr opf, | |||
| 52 | double widthMult, double heightMult, | |||
| 53 | FontScalablePtr vals); | |||
| 54 | ||||
| 55 | enum scaleType { | |||
| 56 | atom, truncate_atom, pixel_size, point_size, resolution_x, | |||
| 57 | resolution_y, average_width, scaledX, scaledY, unscaled, fontname, | |||
| 58 | raw_ascent, raw_descent, raw_pixelsize, raw_pointsize, | |||
| 59 | raw_average_width, uncomputed | |||
| 60 | }; | |||
| 61 | ||||
| 62 | typedef struct _fontProp { | |||
| 63 | const char *name; | |||
| 64 | Atom atom; | |||
| 65 | enum scaleType type; | |||
| 66 | } fontProp; | |||
| 67 | ||||
| 68 | static FontEntryPtr FindBestToScale ( FontPathElementPtr fpe, | |||
| 69 | FontEntryPtr entry, | |||
| 70 | FontScalablePtr vals, | |||
| 71 | FontScalablePtr best, | |||
| 72 | double *dxp, double *dyp, | |||
| 73 | double *sdxp, double *sdyp, | |||
| 74 | FontPathElementPtr *fpep ); | |||
| 75 | ||||
| 76 | static unsigned long bitscaleGeneration = 0; /* initialization flag */ | |||
| 77 | ||||
| 78 | static fontProp fontNamePropTable[] = { | |||
| 79 | { "FOUNDRY", 0, atom }, | |||
| 80 | { "FAMILY_NAME", 0, atom }, | |||
| 81 | { "WEIGHT_NAME", 0, atom }, | |||
| 82 | { "SLANT", 0, atom }, | |||
| 83 | { "SETWIDTH_NAME", 0, atom }, | |||
| 84 | { "ADD_STYLE_NAME", 0, atom }, | |||
| 85 | { "PIXEL_SIZE", 0, pixel_size }, | |||
| 86 | { "POINT_SIZE", 0, point_size }, | |||
| 87 | { "RESOLUTION_X", 0, resolution_x }, | |||
| 88 | { "RESOLUTION_Y", 0, resolution_y }, | |||
| 89 | { "SPACING", 0, atom }, | |||
| 90 | { "AVERAGE_WIDTH", 0, average_width }, | |||
| 91 | { "CHARSET_REGISTRY", 0, atom }, | |||
| 92 | { "CHARSET_ENCODING", 0, truncate_atom }, | |||
| 93 | { "FONT", 0, fontname }, | |||
| 94 | { "RAW_ASCENT", 0, raw_ascent }, | |||
| 95 | { "RAW_DESCENT", 0, raw_descent }, | |||
| 96 | { "RAW_PIXEL_SIZE", 0, raw_pixelsize }, | |||
| 97 | { "RAW_POINT_SIZE", 0, raw_pointsize }, | |||
| 98 | { "RAW_AVERAGE_WIDTH", 0, raw_average_width } | |||
| 99 | }; | |||
| 100 | ||||
| 101 | #define TRANSFORM_POINT(matrix, x, y, dest)((dest)[0] = (matrix)[0] * (x) + (matrix)[2] * (y), (dest)[1] = (matrix)[1] * (x) + (matrix)[3] * (y)) \ | |||
| 102 | ((dest)[0] = (matrix)[0] * (x) + (matrix)[2] * (y), \ | |||
| 103 | (dest)[1] = (matrix)[1] * (x) + (matrix)[3] * (y)) | |||
| 104 | ||||
| 105 | #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) \ | |||
| 106 | ((lsb) > (data)[0] ? (lsb) = (data)[0] : 0 , \ | |||
| 107 | (rsb) < (data)[0] ? (rsb) = (data)[0] : 0, \ | |||
| 108 | (-desc) > (data)[1] ? (desc) = -(data)[1] : 0 , \ | |||
| 109 | (asc) < (data)[1] ? (asc) = (data)[1] : 0) | |||
| 110 | ||||
| 111 | #define NPROPS(sizeof(fontNamePropTable) / sizeof(fontProp)) (sizeof(fontNamePropTable) / sizeof(fontProp)) | |||
| 112 | ||||
| 113 | /* Warning: order of the next two tables is critically interdependent. | |||
| 114 | Location of "unscaled" properties at the end of fontPropTable[] | |||
| 115 | is important. */ | |||
| 116 | ||||
| 117 | static fontProp fontPropTable[] = { | |||
| 118 | { "MIN_SPACE", 0, scaledX }, | |||
| 119 | { "NORM_SPACE", 0, scaledX }, | |||
| 120 | { "MAX_SPACE", 0, scaledX }, | |||
| 121 | { "END_SPACE", 0, scaledX }, | |||
| 122 | { "AVG_CAPITAL_WIDTH", 0, scaledX }, | |||
| 123 | { "AVG_LOWERCASE_WIDTH", 0, scaledX }, | |||
| 124 | { "QUAD_WIDTH", 0, scaledX }, | |||
| 125 | { "FIGURE_WIDTH", 0, scaledX }, | |||
| 126 | { "SUPERSCRIPT_X", 0, scaledX }, | |||
| 127 | { "SUPERSCRIPT_Y", 0, scaledY }, | |||
| 128 | { "SUBSCRIPT_X", 0, scaledX }, | |||
| 129 | { "SUBSCRIPT_Y", 0, scaledY }, | |||
| 130 | { "SUPERSCRIPT_SIZE", 0, scaledY }, | |||
| 131 | { "SUBSCRIPT_SIZE", 0, scaledY }, | |||
| 132 | { "SMALL_CAP_SIZE", 0, scaledY }, | |||
| 133 | { "UNDERLINE_POSITION", 0, scaledY }, | |||
| 134 | { "UNDERLINE_THICKNESS", 0, scaledY }, | |||
| 135 | { "STRIKEOUT_ASCENT", 0, scaledY }, | |||
| 136 | { "STRIKEOUT_DESCENT", 0, scaledY }, | |||
| 137 | { "CAP_HEIGHT", 0, scaledY }, | |||
| 138 | { "X_HEIGHT", 0, scaledY }, | |||
| 139 | { "ITALIC_ANGLE", 0, unscaled }, | |||
| 140 | { "RELATIVE_SETWIDTH", 0, unscaled }, | |||
| 141 | { "RELATIVE_WEIGHT", 0, unscaled }, | |||
| 142 | { "WEIGHT", 0, unscaled }, | |||
| 143 | { "DESTINATION", 0, unscaled }, | |||
| 144 | { "PCL_FONT_NAME", 0, unscaled }, | |||
| 145 | { "_ADOBE_POSTSCRIPT_FONTNAME", 0, unscaled } | |||
| 146 | }; | |||
| 147 | ||||
| 148 | static fontProp rawFontPropTable[] = { | |||
| 149 | { "RAW_MIN_SPACE", 0, }, | |||
| 150 | { "RAW_NORM_SPACE", 0, }, | |||
| 151 | { "RAW_MAX_SPACE", 0, }, | |||
| 152 | { "RAW_END_SPACE", 0, }, | |||
| 153 | { "RAW_AVG_CAPITAL_WIDTH", 0, }, | |||
| 154 | { "RAW_AVG_LOWERCASE_WIDTH", 0, }, | |||
| 155 | { "RAW_QUAD_WIDTH", 0, }, | |||
| 156 | { "RAW_FIGURE_WIDTH", 0, }, | |||
| 157 | { "RAW_SUPERSCRIPT_X", 0, }, | |||
| 158 | { "RAW_SUPERSCRIPT_Y", 0, }, | |||
| 159 | { "RAW_SUBSCRIPT_X", 0, }, | |||
| 160 | { "RAW_SUBSCRIPT_Y", 0, }, | |||
| 161 | { "RAW_SUPERSCRIPT_SIZE", 0, }, | |||
| 162 | { "RAW_SUBSCRIPT_SIZE", 0, }, | |||
| 163 | { "RAW_SMALL_CAP_SIZE", 0, }, | |||
| 164 | { "RAW_UNDERLINE_POSITION", 0, }, | |||
| 165 | { "RAW_UNDERLINE_THICKNESS", 0, }, | |||
| 166 | { "RAW_STRIKEOUT_ASCENT", 0, }, | |||
| 167 | { "RAW_STRIKEOUT_DESCENT", 0, }, | |||
| 168 | { "RAW_CAP_HEIGHT", 0, }, | |||
| 169 | { "RAW_X_HEIGHT", 0, } | |||
| 170 | }; | |||
| 171 | ||||
| 172 | static void | |||
| 173 | initFontPropTable(void) | |||
| 174 | { | |||
| 175 | int i; | |||
| 176 | fontProp *t; | |||
| 177 | ||||
| 178 | i = sizeof(fontNamePropTable) / sizeof(fontProp); | |||
| 179 | for (t = fontNamePropTable; i; i--, t++) | |||
| 180 | t->atom = MakeAtom__libxfont__MakeAtom(t->name, (unsigned) strlen(t->name), TRUE1); | |||
| 181 | ||||
| 182 | i = sizeof(fontPropTable) / sizeof(fontProp); | |||
| 183 | for (t = fontPropTable; i; i--, t++) | |||
| 184 | t->atom = MakeAtom__libxfont__MakeAtom(t->name, (unsigned) strlen(t->name), TRUE1); | |||
| 185 | ||||
| 186 | i = sizeof(rawFontPropTable) / sizeof(fontProp); | |||
| 187 | for (t = rawFontPropTable; i; i--, t++) | |||
| 188 | t->atom = MakeAtom__libxfont__MakeAtom(t->name, (unsigned) strlen(t->name), TRUE1); | |||
| 189 | } | |||
| 190 | ||||
| 191 | #if 0 | |||
| 192 | static FontEntryPtr | |||
| 193 | GetScalableEntry (FontPathElementPtr fpe, FontNamePtr name) | |||
| 194 | { | |||
| 195 | FontDirectoryPtr dir; | |||
| 196 | ||||
| 197 | dir = (FontDirectoryPtr) fpe->private; | |||
| 198 | return FontFileFindNameInDir (&dir->scalable, name); | |||
| 199 | } | |||
| 200 | #endif | |||
| 201 | ||||
| 202 | static double | |||
| 203 | get_matrix_horizontal_component(double *matrix) | |||
| 204 | { | |||
| 205 | return hypot(matrix[0], matrix[1]); | |||
| 206 | } | |||
| 207 | ||||
| 208 | static double | |||
| 209 | get_matrix_vertical_component(double *matrix) | |||
| 210 | { | |||
| 211 | return hypot(matrix[2], matrix[3]); | |||
| 212 | } | |||
| 213 | ||||
| 214 | ||||
| 215 | static Bool | |||
| 216 | ComputeScaleFactors(FontScalablePtr from, FontScalablePtr to, | |||
| 217 | double *dx, double *dy, double *sdx, double *sdy, | |||
| 218 | double *rescale_x) | |||
| 219 | { | |||
| 220 | double srcpixelset, destpixelset, srcpixel, destpixel; | |||
| 221 | ||||
| 222 | srcpixelset = get_matrix_horizontal_component(from->pixel_matrix); | |||
| 223 | destpixelset = get_matrix_horizontal_component(to->pixel_matrix); | |||
| 224 | srcpixel = get_matrix_vertical_component(from->pixel_matrix); | |||
| 225 | destpixel = get_matrix_vertical_component(to->pixel_matrix); | |||
| 226 | ||||
| 227 | if (srcpixelset >= EPS1.0e-20) | |||
| 228 | { | |||
| 229 | *dx = destpixelset / srcpixelset; | |||
| 230 | *sdx = 1000.0 / srcpixelset; | |||
| 231 | } | |||
| 232 | else | |||
| 233 | *sdx = *dx = 0; | |||
| 234 | ||||
| 235 | *rescale_x = 1.0; | |||
| 236 | ||||
| 237 | /* If client specified a width, it overrides setsize; in this | |||
| 238 | context, we interpret width as applying to the font before any | |||
| 239 | rotation, even though that's not what is ultimately returned in | |||
| 240 | the width field. */ | |||
| 241 | if (from->width > 0 && to->width > 0 && fabs(*dx) > EPS1.0e-20) | |||
| 242 | { | |||
| 243 | double rescale = (double)to->width / (double)from->width; | |||
| 244 | ||||
| 245 | /* If the client specified a transformation matrix, the rescaling | |||
| 246 | for width does *not* override the setsize. Instead, just check | |||
| 247 | for consistency between the setsize from the matrix and the | |||
| 248 | setsize that would result from rescaling according to the width. | |||
| 249 | This assumes (perhaps naively) that the width is correctly | |||
| 250 | reported in the name. As an interesting side effect, this test | |||
| 251 | may result in choosing a different source bitmap (one that | |||
| 252 | scales consistently between the setsize *and* the width) than it | |||
| 253 | would choose if a width were not specified. Sort of a hidden | |||
| 254 | multiple-master functionality. */ | |||
| 255 | if ((to->values_supplied & PIXELSIZE_MASK0x3) == PIXELSIZE_ARRAY0x2 || | |||
| 256 | (to->values_supplied & POINTSIZE_MASK0xc) == POINTSIZE_ARRAY0x8) | |||
| 257 | { | |||
| 258 | /* Reject if resulting width difference is >= 1 pixel */ | |||
| 259 | if (fabs(rescale * from->width - *dx * from->width) >= 10) | |||
| 260 | return FALSE0; | |||
| 261 | } | |||
| 262 | else | |||
| 263 | { | |||
| 264 | *rescale_x = rescale/(*dx); | |||
| 265 | *dx = rescale; | |||
| 266 | } | |||
| 267 | } | |||
| 268 | ||||
| 269 | if (srcpixel >= EPS1.0e-20) | |||
| 270 | { | |||
| 271 | *dy = destpixel / srcpixel; | |||
| 272 | *sdy = 1000.0 / srcpixel; | |||
| 273 | } | |||
| 274 | else | |||
| 275 | *sdy = *dy = 0; | |||
| 276 | ||||
| 277 | return TRUE1; | |||
| 278 | } | |||
| 279 | ||||
| 280 | /* favor enlargement over reduction because of aliasing resulting | |||
| 281 | from reduction */ | |||
| 282 | #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); } \ | |||
| 283 | if (m >= 1.0) { \ | |||
| 284 | if (m == 1.0) \ | |||
| 285 | score += (16 * s); \ | |||
| 286 | else if (m == 2.0) \ | |||
| 287 | score += (4 * s); \ | |||
| 288 | else \ | |||
| 289 | score += (int)(((double)(3 * s)) / m); \ | |||
| 290 | } else { \ | |||
| 291 | score += (int)(((double)(2 * s)) * m); \ | |||
| 292 | } | |||
| 293 | ||||
| 294 | /* don't need to favor enlargement when looking for bitmap that can | |||
| 295 | be used unscalable */ | |||
| 296 | #define SCORE2(m,s)if (m >= 1.0) score += (int)(((double)(8 * s)) / m); else score += (int)(((double)(8 * s)) * m); \ | |||
| 297 | if (m >= 1.0) \ | |||
| 298 | score += (int)(((double)(8 * s)) / m); \ | |||
| 299 | else \ | |||
| 300 | score += (int)(((double)(8 * s)) * m); | |||
| 301 | ||||
| 302 | static FontEntryPtr | |||
| 303 | FindBestToScale(FontPathElementPtr fpe, FontEntryPtr entry, | |||
| 304 | FontScalablePtr vals, FontScalablePtr best, | |||
| 305 | double *dxp, double *dyp, | |||
| 306 | double *sdxp, double *sdyp, | |||
| 307 | FontPathElementPtr *fpep) | |||
| 308 | { | |||
| 309 | FontScalableRec temp; | |||
| 310 | int source, i; | |||
| 311 | int best_score, best_unscaled_score, | |||
| 312 | score; | |||
| 313 | double dx = 0.0, sdx = 0.0, dx_amount = 0.0, | |||
| 314 | dy = 0.0, sdy = 0.0, dy_amount = 0.0, | |||
| 315 | best_dx = 0.0, best_sdx = 0.0, best_dx_amount = 0.0, | |||
| 316 | best_dy = 0.0, best_sdy = 0.0, best_dy_amount = 0.0, | |||
| 317 | best_unscaled_sdx = 0.0, best_unscaled_sdy = 0.0, | |||
| 318 | rescale_x = 0.0, best_rescale_x = 0.0, | |||
| 319 | best_unscaled_rescale_x = 0.0; | |||
| 320 | FontEntryPtr zero; | |||
| 321 | FontNameRec zeroName; | |||
| 322 | char zeroChars[MAXFONTNAMELEN1024]; | |||
| 323 | FontDirectoryPtr dir; | |||
| 324 | FontScaledPtr scaled; | |||
| 325 | FontScalableExtraPtr extra; | |||
| 326 | FontScaledPtr best_scaled, best_unscaled; | |||
| 327 | FontPathElementPtr best_fpe = NULL((void *)0), best_unscaled_fpe = NULL((void *)0); | |||
| 328 | FontEntryPtr bitmap = NULL((void *)0); | |||
| 329 | FontEntryPtr result; | |||
| 330 | int aliascount = 20; | |||
| 331 | FontPathElementPtr bitmap_fpe = NULL((void *)0); | |||
| 332 | FontNameRec xlfdName; | |||
| 333 | ||||
| 334 | /* find the best match */ | |||
| 335 | rescale_x = 1.0; | |||
| 336 | best_scaled = 0; | |||
| 337 | best_score = 0; | |||
| 338 | best_unscaled = 0; | |||
| 339 | best_unscaled_score = -1; | |||
| 340 | best_dx_amount = best_dy_amount = HUGE_VAL__builtin_huge_val(); | |||
| 341 | memcpy (zeroChars, entry->name.name, entry->name.length)__builtin___memcpy_chk (zeroChars, entry->name.name, entry ->name.length, __builtin_object_size (zeroChars, 0)); | |||
| 342 | zeroChars[entry->name.length] = '\0'; | |||
| 343 | zeroName.name = zeroChars; | |||
| 344 | FontParseXLFDName (zeroChars, &temp, FONT_XLFD_REPLACE_ZERO2); | |||
| 345 | zeroName.length = strlen (zeroChars); | |||
| 346 | zeroName.ndashes = entry->name.ndashes; | |||
| 347 | xlfdName.name = vals->xlfdName; | |||
| 348 | xlfdName.length = strlen(xlfdName.name); | |||
| 349 | xlfdName.ndashes = FontFileCountDashes(xlfdName.name, xlfdName.length); | |||
| 350 | restart_bestscale_loop: ; | |||
| 351 | /* | |||
| 352 | * Look through all the registered bitmap sources for | |||
| 353 | * the same zero name as ours; entries along that one | |||
| 354 | * can be scaled as desired. | |||
| 355 | */ | |||
| 356 | for (source = 0; source < FontFileBitmapSources.count; source++) | |||
| 357 | { | |||
| 358 | /* There might already be a bitmap that satisfies the request | |||
| 359 | but didn't have a zero name that was found by the scalable | |||
| 360 | font matching logic. Keep track if there is. */ | |||
| 361 | if (bitmap == NULL((void *)0) && vals->xlfdName != NULL((void *)0)) | |||
| 362 | { | |||
| 363 | bitmap_fpe = FontFileBitmapSources.fpe[source]; | |||
| 364 | dir = (FontDirectoryPtr) bitmap_fpe->private; | |||
| 365 | bitmap = FontFileFindNameInDir (&dir->nonScalable, &xlfdName); | |||
| 366 | if (bitmap && bitmap->type != FONT_ENTRY_BITMAP2) | |||
| 367 | { | |||
| 368 | if (bitmap->type == FONT_ENTRY_ALIAS3 && aliascount > 0) | |||
| 369 | { | |||
| 370 | aliascount--; | |||
| 371 | xlfdName.name = bitmap->u.alias.resolved; | |||
| 372 | xlfdName.length = strlen(xlfdName.name); | |||
| 373 | xlfdName.ndashes = FontFileCountDashes(xlfdName.name, | |||
| 374 | xlfdName.length); | |||
| 375 | bitmap = NULL((void *)0); | |||
| 376 | goto restart_bestscale_loop; | |||
| 377 | } | |||
| 378 | else | |||
| 379 | bitmap = NULL((void *)0); | |||
| 380 | } | |||
| 381 | } | |||
| 382 | ||||
| 383 | if (FontFileBitmapSources.fpe[source] == fpe) | |||
| 384 | zero = entry; | |||
| 385 | else | |||
| 386 | { | |||
| 387 | dir = (FontDirectoryPtr) FontFileBitmapSources.fpe[source]->private; | |||
| 388 | zero = FontFileFindNameInDir (&dir->scalable, &zeroName); | |||
| 389 | if (!zero) | |||
| 390 | continue; | |||
| 391 | } | |||
| 392 | extra = zero->u.scalable.extra; | |||
| 393 | for (i = 0; i < extra->numScaled; i++) | |||
| 394 | { | |||
| 395 | scaled = &extra->scaled[i]; | |||
| 396 | if (!scaled->bitmap) | |||
| 397 | continue; | |||
| 398 | if (!ComputeScaleFactors(&scaled->vals, vals, &dx, &dy, &sdx, &sdy, | |||
| 399 | &rescale_x)) | |||
| 400 | continue; | |||
| 401 | score = 0; | |||
| 402 | dx_amount = dx; | |||
| 403 | dy_amount = dy; | |||
| 404 | 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); }; | |||
| 405 | 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); }; | |||
| 406 | if ((score > best_score) || | |||
| 407 | ((score == best_score) && | |||
| 408 | ((dy_amount < best_dy_amount) || | |||
| 409 | ((dy_amount == best_dy_amount) && | |||
| 410 | (dx_amount < best_dx_amount))))) | |||
| 411 | { | |||
| 412 | best_fpe = FontFileBitmapSources.fpe[source]; | |||
| 413 | best_scaled = scaled; | |||
| 414 | best_score = score; | |||
| 415 | best_dx = dx; | |||
| 416 | best_dy = dy; | |||
| 417 | best_sdx = sdx; | |||
| 418 | best_sdy = sdy; | |||
| 419 | best_dx_amount = dx_amount; | |||
| 420 | best_dy_amount = dy_amount; | |||
| 421 | best_rescale_x = rescale_x; | |||
| 422 | } | |||
| 423 | /* Is this font a candidate for use without ugly rescaling? */ | |||
| 424 | if (fabs(dx) > EPS1.0e-20 && fabs(dy) > EPS1.0e-20 && | |||
| 425 | fabs(vals->pixel_matrix[0] * rescale_x - | |||
| 426 | scaled->vals.pixel_matrix[0]) < 1 && | |||
| 427 | fabs(vals->pixel_matrix[1] * rescale_x - | |||
| 428 | scaled->vals.pixel_matrix[1]) < EPS1.0e-20 && | |||
| 429 | fabs(vals->pixel_matrix[2] - | |||
| 430 | scaled->vals.pixel_matrix[2]) < EPS1.0e-20 && | |||
| 431 | fabs(vals->pixel_matrix[3] - | |||
| 432 | scaled->vals.pixel_matrix[3]) < 1) | |||
| 433 | { | |||
| 434 | /* Yes. The pixel sizes are close on the diagonal and | |||
| 435 | extremely close off the diagonal. */ | |||
| 436 | score = 0; | |||
| 437 | 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]); | |||
| 438 | 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]);; | |||
| 439 | 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]); | |||
| 440 | 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]);; | |||
| 441 | if (score > best_unscaled_score) | |||
| 442 | { | |||
| 443 | best_unscaled_fpe = FontFileBitmapSources.fpe[source]; | |||
| 444 | best_unscaled = scaled; | |||
| 445 | best_unscaled_sdx = sdx / dx; | |||
| 446 | best_unscaled_sdy = sdy / dy; | |||
| 447 | best_unscaled_score = score; | |||
| 448 | best_unscaled_rescale_x = rescale_x; | |||
| 449 | } | |||
| 450 | } | |||
| 451 | } | |||
| 452 | } | |||
| 453 | if (best_unscaled) | |||
| 454 | { | |||
| 455 | *best = best_unscaled->vals; | |||
| 456 | *fpep = best_unscaled_fpe; | |||
| 457 | *dxp = 1.0; | |||
| 458 | *dyp = 1.0; | |||
| 459 | *sdxp = best_unscaled_sdx; | |||
| 460 | *sdyp = best_unscaled_sdy; | |||
| 461 | rescale_x = best_unscaled_rescale_x; | |||
| 462 | result = best_unscaled->bitmap; | |||
| 463 | } | |||
| 464 | else if (best_scaled) | |||
| 465 | { | |||
| 466 | *best = best_scaled->vals; | |||
| 467 | *fpep = best_fpe; | |||
| 468 | *dxp = best_dx; | |||
| 469 | *dyp = best_dy; | |||
| 470 | *sdxp = best_sdx; | |||
| 471 | *sdyp = best_sdy; | |||
| 472 | rescale_x = best_rescale_x; | |||
| 473 | result = best_scaled->bitmap; | |||
| 474 | } | |||
| 475 | else | |||
| 476 | result = NULL((void *)0); | |||
| 477 | ||||
| 478 | if (bitmap != NULL((void *)0) && (result == NULL((void *)0) || *dxp != 1.0 || *dyp != 1.0)) | |||
| 479 | { | |||
| 480 | *fpep = bitmap_fpe; | |||
| 481 | FontParseXLFDName (bitmap->name.name, best, FONT_XLFD_REPLACE_NONE0); | |||
| 482 | if (ComputeScaleFactors(best, best, dxp, dyp, sdxp, sdyp, &rescale_x)) | |||
| 483 | result = bitmap; | |||
| 484 | else | |||
| 485 | result = NULL((void *)0); | |||
| 486 | } | |||
| 487 | ||||
| 488 | if (result && rescale_x != 1.0) | |||
| 489 | { | |||
| 490 | /* We have rescaled horizontally due to an XLFD width field. Change | |||
| 491 | the matrix appropriately */ | |||
| 492 | vals->pixel_matrix[0] *= rescale_x; | |||
| 493 | vals->pixel_matrix[1] *= rescale_x; | |||
| 494 | vals->values_supplied = vals->values_supplied & ~POINTSIZE_MASK0xc; | |||
| 495 | /* Recompute and reround the FontScalablePtr values after | |||
| 496 | rescaling for the new width. */ | |||
| 497 | FontFileCompleteXLFD(vals, vals); | |||
| 498 | } | |||
| 499 | ||||
| 500 | return result; | |||
| 501 | } | |||
| 502 | ||||
| 503 | static long | |||
| 504 | doround(double x) | |||
| 505 | { | |||
| 506 | return (x >= 0) ? (long)(x + .5) : (long)(x - .5); | |||
| 507 | } | |||
| 508 | ||||
| 509 | static int | |||
| 510 | computeProps(FontPropPtr pf, char *wasStringProp, | |||
| 511 | FontPropPtr npf, char *isStringProp, | |||
| 512 | unsigned int nprops, double xfactor, double yfactor, | |||
| 513 | double sXfactor, double sYfactor) | |||
| 514 | { | |||
| 515 | int n; | |||
| 516 | int count; | |||
| 517 | fontProp *t; | |||
| 518 | double rawfactor = 0.0; | |||
| 519 | ||||
| 520 | for (count = 0; nprops > 0; nprops--, pf++, wasStringProp++) { | |||
| 521 | n = sizeof(fontPropTable) / sizeof(fontProp); | |||
| 522 | for (t = fontPropTable; n && (t->atom != pf->name); n--, t++); | |||
| 523 | if (!n) | |||
| 524 | continue; | |||
| 525 | ||||
| 526 | switch (t->type) { | |||
| 527 | case scaledX: | |||
| 528 | npf->value = doround(xfactor * (double)pf->value); | |||
| 529 | rawfactor = sXfactor; | |||
| 530 | break; | |||
| 531 | case scaledY: | |||
| 532 | npf->value = doround(yfactor * (double)pf->value); | |||
| 533 | rawfactor = sYfactor; | |||
| 534 | break; | |||
| 535 | case unscaled: | |||
| 536 | npf->value = pf->value; | |||
| 537 | npf->name = pf->name; | |||
| 538 | npf++; | |||
| 539 | count++; | |||
| 540 | *isStringProp++ = *wasStringProp; | |||
| 541 | break; | |||
| 542 | default: | |||
| 543 | break; | |||
| 544 | } | |||
| 545 | if (t->type != unscaled) | |||
| 546 | { | |||
| 547 | npf->name = pf->name; | |||
| 548 | npf++; | |||
| 549 | count++; | |||
| 550 | npf->value = doround(rawfactor * (double)pf->value); | |||
| 551 | npf->name = rawFontPropTable[t - fontPropTable].atom; | |||
| 552 | npf++; | |||
| 553 | count++; | |||
| 554 | *isStringProp++ = *wasStringProp; | |||
| 555 | *isStringProp++ = *wasStringProp; | |||
| 556 | } | |||
| 557 | } | |||
| 558 | return count; | |||
| 559 | } | |||
| 560 | ||||
| 561 | ||||
| 562 | static int | |||
| 563 | ComputeScaledProperties(FontInfoPtr sourceFontInfo, /* the font to be scaled */ | |||
| 564 | char *name, /* name of resulting font */ | |||
| 565 | FontScalablePtr vals, | |||
| 566 | double dx, double dy, /* scale factors in x and y */ | |||
| 567 | double sdx, double sdy, /* directions */ | |||
| 568 | long sWidth, /* 1000-pixel average width */ | |||
| 569 | FontPropPtr *pProps, /* returns properties; | |||
| 570 | preallocated */ | |||
| 571 | char **pIsStringProp) /* return booleans; | |||
| 572 | preallocated */ | |||
| 573 | { | |||
| 574 | int n; | |||
| 575 | char *ptr1 = NULL((void *)0), *ptr2 = NULL((void *)0); | |||
| 576 | char *ptr3; | |||
| 577 | FontPropPtr fp; | |||
| 578 | fontProp *fpt; | |||
| 579 | char *isStringProp; | |||
| 580 | int nProps; | |||
| 581 | ||||
| 582 | if (bitscaleGeneration != __GetServerGeneration()) { | |||
| 583 | initFontPropTable(); | |||
| 584 | bitscaleGeneration = __GetServerGeneration(); | |||
| 585 | } | |||
| 586 | nProps = NPROPS(sizeof(fontNamePropTable) / sizeof(fontProp)) + 1 + sizeof(fontPropTable) / sizeof(fontProp) + | |||
| 587 | sizeof(rawFontPropTable) / sizeof(fontProp); | |||
| 588 | fp = malloc(sizeof(FontPropRec) * nProps); | |||
| 589 | *pProps = fp; | |||
| 590 | if (!fp) { | |||
| 591 | fprintf(stderr__stderrp, "Error: Couldn't allocate font properties (%ld*%d)\n", | |||
| 592 | (unsigned long)sizeof(FontPropRec), nProps); | |||
| 593 | return 1; | |||
| 594 | } | |||
| 595 | isStringProp = malloc (nProps); | |||
| 596 | *pIsStringProp = isStringProp; | |||
| 597 | if (!isStringProp) | |||
| 598 | { | |||
| 599 | fprintf(stderr__stderrp, "Error: Couldn't allocate isStringProp (%d)\n", nProps); | |||
| 600 | free (fp); | |||
| 601 | return 1; | |||
| 602 | } | |||
| 603 | ptr2 = name; | |||
| 604 | for (fpt = fontNamePropTable, n = NPROPS(sizeof(fontNamePropTable) / sizeof(fontProp)); | |||
| 605 | n; | |||
| 606 | fp++, fpt++, n--, isStringProp++) | |||
| 607 | { | |||
| 608 | ||||
| 609 | if (*ptr2) | |||
| 610 | { | |||
| 611 | ptr1 = ptr2 + 1; | |||
| 612 | if (!(ptr2 = strchr(ptr1, '-'))) ptr2 = strchr(ptr1, '\0'); | |||
| 613 | } | |||
| 614 | ||||
| 615 | *isStringProp = 0; | |||
| 616 | switch (fpt->type) { | |||
| 617 | case atom: | |||
| 618 | fp->value = MakeAtom__libxfont__MakeAtom(ptr1, ptr2 - ptr1, TRUE1); | |||
| 619 | *isStringProp = 1; | |||
| 620 | break; | |||
| 621 | case truncate_atom: | |||
| 622 | for (ptr3 = ptr1; *ptr3; ptr3++) | |||
| 623 | if (*ptr3 == '[') | |||
| 624 | break; | |||
| 625 | if (!*ptr3) ptr3 = ptr2; | |||
| 626 | fp->value = MakeAtom__libxfont__MakeAtom(ptr1, ptr3 - ptr1, TRUE1); | |||
| 627 | *isStringProp = 1; | |||
| 628 | break; | |||
| 629 | case pixel_size: | |||
| 630 | fp->value = doround(vals->pixel_matrix[3]); | |||
| 631 | break; | |||
| 632 | case point_size: | |||
| 633 | fp->value = doround(vals->point_matrix[3] * 10.0); | |||
| 634 | break; | |||
| 635 | case resolution_x: | |||
| 636 | fp->value = vals->x; | |||
| 637 | break; | |||
| 638 | case resolution_y: | |||
| 639 | fp->value = vals->y; | |||
| 640 | break; | |||
| 641 | case average_width: | |||
| 642 | fp->value = vals->width; | |||
| 643 | break; | |||
| 644 | case fontname: | |||
| 645 | fp->value = MakeAtom__libxfont__MakeAtom(name, strlen(name), TRUE1); | |||
| 646 | *isStringProp = 1; | |||
| 647 | break; | |||
| 648 | case raw_ascent: | |||
| 649 | fp->value = sourceFontInfo->fontAscent * sdy; | |||
| 650 | break; | |||
| 651 | case raw_descent: | |||
| 652 | fp->value = sourceFontInfo->fontDescent * sdy; | |||
| 653 | break; | |||
| 654 | case raw_pointsize: | |||
| 655 | fp->value = (long)(72270.0 / (double)vals->y + .5); | |||
| 656 | break; | |||
| 657 | case raw_pixelsize: | |||
| 658 | fp->value = 1000; | |||
| 659 | break; | |||
| 660 | case raw_average_width: | |||
| 661 | fp->value = sWidth; | |||
| 662 | break; | |||
| 663 | default: | |||
| 664 | break; | |||
| 665 | } | |||
| 666 | fp->name = fpt->atom; | |||
| 667 | } | |||
| 668 | n = NPROPS(sizeof(fontNamePropTable) / sizeof(fontProp)); | |||
| 669 | n += computeProps(sourceFontInfo->props, sourceFontInfo->isStringProp, | |||
| 670 | fp, isStringProp, sourceFontInfo->nprops, dx, dy, | |||
| 671 | sdx, sdy); | |||
| 672 | return n; | |||
| 673 | } | |||
| 674 | ||||
| 675 | ||||
| 676 | static int | |||
| 677 | compute_xform_matrix(FontScalablePtr vals, double dx, double dy, | |||
| 678 | double *xform, double *inv_xform, | |||
| 679 | double *xmult, double *ymult) | |||
| 680 | { | |||
| 681 | double det; | |||
| 682 | double pixel = get_matrix_vertical_component(vals->pixel_matrix); | |||
| 683 | double pixelset = get_matrix_horizontal_component(vals->pixel_matrix); | |||
| 684 | ||||
| 685 | if (pixel < EPS1.0e-20 || pixelset < EPS1.0e-20) return 0; | |||
| 686 | ||||
| 687 | /* Initialize the transformation matrix to the scaling factors */ | |||
| 688 | xform[0] = dx / pixelset; | |||
| 689 | xform[1] = xform[2] = 0.0; | |||
| 690 | xform[3] = dy / pixel; | |||
| 691 | ||||
| 692 | /* Inline matrix multiply -- somewhat ugly to minimize register usage */ | |||
| 693 | #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; } \ | |||
| 694 | { \ | |||
| 695 | register double aa = (a), bb = (b), cc = (c), dd = (d); \ | |||
| 696 | register double temp; \ | |||
| 697 | temp = aa * xform[0] + cc * xform[1]; \ | |||
| 698 | aa = aa * xform[2] + cc * xform[3]; \ | |||
| 699 | xform[1] = bb * xform[0] + dd * xform[1]; \ | |||
| 700 | xform[3] = bb * xform[2] + dd * xform[3]; \ | |||
| 701 | xform[0] = temp; \ | |||
| 702 | xform[2] = aa; \ | |||
| 703 | } | |||
| 704 | ||||
| 705 | /* Rescale the transformation matrix for size of source font */ | |||
| 706 | 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; } | |||
| 707 | 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; } | |||
| 708 | 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; } | |||
| 709 | 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; }; | |||
| 710 | ||||
| 711 | *xmult = xform[0]; | |||
| 712 | *ymult = xform[3]; | |||
| 713 | ||||
| 714 | ||||
| 715 | if (inv_xform == NULL((void *)0)) return 1; | |||
| 716 | ||||
| 717 | /* Compute the determinant for use in inverting the matrix. */ | |||
| 718 | det = xform[0] * xform[3] - xform[1] * xform[2]; | |||
| 719 | ||||
| 720 | /* If the determinant is tiny or zero, give up */ | |||
| 721 | if (fabs(det) < EPS1.0e-20) return 0; | |||
| 722 | ||||
| 723 | /* Compute the inverse */ | |||
| 724 | inv_xform[0] = xform[3] / det; | |||
| 725 | inv_xform[1] = -xform[1] / det; | |||
| 726 | inv_xform[2] = -xform[2] / det; | |||
| 727 | inv_xform[3] = xform[0] / det; | |||
| 728 | ||||
| 729 | return 1; | |||
| 730 | } | |||
| 731 | ||||
| 732 | /* | |||
| 733 | * ScaleFont | |||
| 734 | * returns a pointer to the new scaled font, or NULL (due to AllocError). | |||
| 735 | */ | |||
| 736 | #pragma GCC diagnostic ignored "-Wbad-function-cast" | |||
| 737 | ||||
| 738 | static FontPtr | |||
| 739 | ScaleFont(FontPtr opf, /* originating font */ | |||
| 740 | double widthMult, /* glyphs width scale factor */ | |||
| 741 | double heightMult, /* glyphs height scale factor */ | |||
| 742 | double sWidthMult, /* scalable glyphs width scale factor */ | |||
| 743 | double sHeightMult, /* scalable glyphs height scale factor */ | |||
| 744 | FontScalablePtr vals, | |||
| 745 | double *newWidthMult, /* return: X component of glyphs width | |||
| 746 | scale factor */ | |||
| 747 | double *newHeightMult, /* return: Y component of glyphs height | |||
| 748 | scale factor */ | |||
| 749 | long *sWidth) /* return: average 1000-pixel width */ | |||
| 750 | { | |||
| 751 | FontPtr pf; | |||
| 752 | FontInfoPtr pfi, | |||
| 753 | opfi; | |||
| 754 | BitmapFontPtr bitmapFont, | |||
| 755 | obitmapFont; | |||
| 756 | CharInfoPtr pci, | |||
| 757 | opci; | |||
| 758 | int nchars = 0; /* how many characters in the font */ | |||
| 759 | int i; | |||
| 760 | int firstCol, lastCol, firstRow, lastRow; | |||
| 761 | double xform[4], inv_xform[4]; | |||
| 762 | double xmult, ymult; | |||
| 763 | int totalwidth = 0, totalchars = 0; | |||
| 764 | #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) + \ | |||
| 765 | firstRow - opf->info.firstRow) * \ | |||
| 766 | (opf->info.lastCol - opf->info.firstCol + 1) + \ | |||
| 767 | (i)%(lastCol - firstCol + 1) + \ | |||
| 768 | firstCol - opf->info.firstCol) | |||
| 769 | ||||
| 770 | *sWidth = 0; | |||
| 771 | ||||
| 772 | opfi = &opf->info; | |||
| 773 | obitmapFont = (BitmapFontPtr) opf->fontPrivate; | |||
| 774 | ||||
| 775 | bitmapFont = 0; | |||
| 776 | if (!(pf = CreateFontRec())) { | |||
| 777 | fprintf(stderr__stderrp, "Error: Couldn't allocate FontRec (%ld)\n", | |||
| 778 | (unsigned long)sizeof(FontRec)); | |||
| 779 | goto bail; | |||
| 780 | } | |||
| 781 | pf->refcnt = 0; | |||
| 782 | pf->bit = opf->bit; | |||
| 783 | pf->byte = opf->byte; | |||
| 784 | pf->glyph = opf->glyph; | |||
| 785 | pf->scan = opf->scan; | |||
| 786 | ||||
| 787 | pf->get_glyphs = bitmapGetGlyphs; | |||
| 788 | pf->get_metrics = bitmapGetMetrics; | |||
| 789 | pf->unload_font = bitmapUnloadScalable; | |||
| 790 | pf->unload_glyphs = NULL((void *)0); | |||
| 791 | ||||
| 792 | pfi = &pf->info; | |||
| 793 | *pfi = *opfi; | |||
| 794 | /* If charset subsetting specified in vals, determine what our range | |||
| 795 | needs to be for the output font */ | |||
| 796 | if (vals->nranges) | |||
| 797 | { | |||
| 798 | pfi->allExist = 0; | |||
| 799 | firstCol = 255; | |||
| 800 | lastCol = 0; | |||
| 801 | firstRow = 255; | |||
| 802 | lastRow = 0; | |||
| 803 | ||||
| 804 | for (i = 0; i < vals->nranges; i++) | |||
| 805 | { | |||
| 806 | if (vals->ranges[i].min_char_high != vals->ranges[i].max_char_high) | |||
| 807 | { | |||
| 808 | firstCol = opfi->firstCol; | |||
| 809 | lastCol = opfi->lastCol; | |||
| 810 | } | |||
| 811 | if (firstCol > vals->ranges[i].min_char_low) | |||
| 812 | firstCol = vals->ranges[i].min_char_low; | |||
| 813 | if (lastCol < vals->ranges[i].max_char_low) | |||
| 814 | lastCol = vals->ranges[i].max_char_low; | |||
| 815 | if (firstRow > vals->ranges[i].min_char_high) | |||
| 816 | firstRow = vals->ranges[i].min_char_high; | |||
| 817 | if (lastRow < vals->ranges[i].max_char_high) | |||
| 818 | lastRow = vals->ranges[i].max_char_high; | |||
| 819 | } | |||
| 820 | ||||
| 821 | if (firstCol > lastCol || firstRow > lastRow) | |||
| 822 | goto bail; | |||
| 823 | ||||
| 824 | if (firstCol < opfi->firstCol) | |||
| 825 | firstCol = opfi->firstCol; | |||
| 826 | if (lastCol > opfi->lastCol) | |||
| 827 | lastCol = opfi->lastCol; | |||
| 828 | if (firstRow < opfi->firstRow) | |||
| 829 | firstRow = opfi->firstRow; | |||
| 830 | if (lastRow > opfi->lastRow) | |||
| 831 | lastRow = opfi->lastRow; | |||
| 832 | } | |||
| 833 | else | |||
| 834 | { | |||
| 835 | firstCol = opfi->firstCol; | |||
| 836 | lastCol = opfi->lastCol; | |||
| 837 | firstRow = opfi->firstRow; | |||
| 838 | lastRow = opfi->lastRow; | |||
| 839 | } | |||
| 840 | ||||
| 841 | bitmapFont = malloc(sizeof(BitmapFontRec)); | |||
| 842 | if (!bitmapFont) { | |||
| 843 | fprintf(stderr__stderrp, "Error: Couldn't allocate bitmapFont (%ld)\n", | |||
| 844 | (unsigned long)sizeof(BitmapFontRec)); | |||
| 845 | goto bail; | |||
| 846 | } | |||
| 847 | nchars = (lastRow - firstRow + 1) * (lastCol - firstCol + 1); | |||
| 848 | pfi->firstRow = firstRow; | |||
| 849 | pfi->lastRow = lastRow; | |||
| 850 | pfi->firstCol = firstCol; | |||
| 851 | pfi->lastCol = lastCol; | |||
| 852 | pf->fontPrivate = (pointer) bitmapFont; | |||
| 853 | bitmapFont->version_num = obitmapFont->version_num; | |||
| 854 | bitmapFont->num_chars = nchars; | |||
| 855 | bitmapFont->num_tables = obitmapFont->num_tables; | |||
| 856 | bitmapFont->metrics = 0; | |||
| 857 | bitmapFont->ink_metrics = 0; | |||
| 858 | bitmapFont->bitmaps = 0; | |||
| 859 | bitmapFont->encoding = 0; | |||
| 860 | bitmapFont->bitmapExtra = 0; | |||
| 861 | bitmapFont->pDefault = 0; | |||
| 862 | bitmapFont->metrics = malloc(nchars * sizeof(CharInfoRec)); | |||
| 863 | if (!bitmapFont->metrics) { | |||
| 864 | fprintf(stderr__stderrp, "Error: Couldn't allocate metrics (%d*%ld)\n", | |||
| 865 | nchars, (unsigned long)sizeof(CharInfoRec)); | |||
| 866 | goto bail; | |||
| 867 | } | |||
| 868 | bitmapFont->encoding = calloc(NUM_SEGMENTS(nchars)(((nchars)+128 -1)/128), sizeof(CharInfoPtr*)); | |||
| 869 | if (!bitmapFont->encoding) { | |||
| 870 | fprintf(stderr__stderrp, "Error: Couldn't allocate encoding (%d*%ld)\n", | |||
| 871 | nchars, (unsigned long)sizeof(CharInfoPtr)); | |||
| 872 | goto bail; | |||
| 873 | } | |||
| 874 | ||||
| 875 | #undef MAXSHORT32767 | |||
| 876 | #define MAXSHORT32767 32767 | |||
| 877 | #undef MINSHORT-32768 | |||
| 878 | #define MINSHORT-32768 -32768 | |||
| 879 | ||||
| 880 | pfi->anamorphic = FALSE0; | |||
| 881 | if (heightMult != widthMult) | |||
| 882 | pfi->anamorphic = TRUE1; | |||
| 883 | pfi->cachable = TRUE1; | |||
| 884 | ||||
| 885 | if (!compute_xform_matrix(vals, widthMult, heightMult, xform, | |||
| 886 | inv_xform, &xmult, &ymult)) | |||
| 887 | goto bail; | |||
| 888 | ||||
| 889 | pfi->fontAscent = opfi->fontAscent * ymult; | |||
| 890 | pfi->fontDescent = opfi->fontDescent * ymult; | |||
| 891 | ||||
| 892 | pfi->minbounds.leftSideBearing = MAXSHORT32767; | |||
| 893 | pfi->minbounds.rightSideBearing = MAXSHORT32767; | |||
| 894 | pfi->minbounds.ascent = MAXSHORT32767; | |||
| 895 | pfi->minbounds.descent = MAXSHORT32767; | |||
| 896 | pfi->minbounds.characterWidth = MAXSHORT32767; | |||
| 897 | pfi->minbounds.attributes = MAXSHORT32767; | |||
| 898 | ||||
| 899 | pfi->maxbounds.leftSideBearing = MINSHORT-32768; | |||
| 900 | pfi->maxbounds.rightSideBearing = MINSHORT-32768; | |||
| 901 | pfi->maxbounds.ascent = MINSHORT-32768; | |||
| 902 | pfi->maxbounds.descent = MINSHORT-32768; | |||
| 903 | pfi->maxbounds.characterWidth = MINSHORT-32768; | |||
| 904 | pfi->maxbounds.attributes = MINSHORT-32768; | |||
| 905 | ||||
| 906 | /* Compute the transformation and inverse transformation matrices. | |||
| 907 | Can fail if the determinant is zero. */ | |||
| 908 | ||||
| 909 | pci = bitmapFont->metrics; | |||
| 910 | for (i = 0; i < nchars; i++) | |||
| 911 | { | |||
| 912 | 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))) | |||
| 913 | { | |||
| 914 | double newlsb, newrsb, newdesc, newasc, point[2]; | |||
| 915 | ||||
| 916 | #define minchar(p)((p).min_char_low + ((p).min_char_high << 8)) ((p).min_char_low + ((p).min_char_high << 8)) | |||
| 917 | #define maxchar(p)((p).max_char_low + ((p).max_char_high << 8)) ((p).max_char_low + ((p).max_char_high << 8)) | |||
| 918 | ||||
| 919 | if (vals->nranges) | |||
| 920 | { | |||
| 921 | int row = i / (lastCol - firstCol + 1) + firstRow; | |||
| 922 | int col = i % (lastCol - firstCol + 1) + firstCol; | |||
| 923 | int ch = (row << 8) + col; | |||
| 924 | int j; | |||
| 925 | for (j = 0; j < vals->nranges; j++) | |||
| 926 | if (ch >= minchar(vals->ranges[j])((vals->ranges[j]).min_char_low + ((vals->ranges[j]).min_char_high << 8)) && | |||
| 927 | ch <= maxchar(vals->ranges[j])((vals->ranges[j]).max_char_low + ((vals->ranges[j]).max_char_high << 8))) | |||
| 928 | break; | |||
| 929 | if (j == vals->nranges) | |||
| 930 | { | |||
| 931 | continue; | |||
| 932 | } | |||
| 933 | } | |||
| 934 | ||||
| 935 | if (opci->metrics.leftSideBearing == 0 && | |||
| 936 | opci->metrics.rightSideBearing == 0 && | |||
| 937 | opci->metrics.ascent == 0 && | |||
| 938 | opci->metrics.descent == 0 && | |||
| 939 | opci->metrics.characterWidth == 0) | |||
| 940 | { | |||
| 941 | continue; | |||
| 942 | } | |||
| 943 | ||||
| 944 | if(!bitmapFont->encoding[SEGMENT_MAJOR(i)((i)/128)]) { | |||
| 945 | bitmapFont->encoding[SEGMENT_MAJOR(i)((i)/128)]= | |||
| 946 | calloc(BITMAP_FONT_SEGMENT_SIZE128, sizeof(CharInfoPtr)); | |||
| 947 | if(!bitmapFont->encoding[SEGMENT_MAJOR(i)((i)/128)]) | |||
| 948 | goto bail; | |||
| 949 | } | |||
| 950 | ACCESSENCODINGL(bitmapFont->encoding, i)(bitmapFont->encoding[(i)/128][(i)%128]) = pci; | |||
| 951 | ||||
| 952 | /* Compute new extents for this glyph */ | |||
| 953 | 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)) | |||
| 954 | 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)) | |||
| 955 | -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)) | |||
| 956 | 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)); | |||
| 957 | newlsb = point[0]; | |||
| 958 | newrsb = newlsb; | |||
| 959 | newdesc = -point[1]; | |||
| 960 | newasc = -newdesc; | |||
| 961 | 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)) | |||
| 962 | 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)) | |||
| 963 | 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)) | |||
| 964 | 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)); | |||
| 965 | 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); | |||
| 966 | 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)) | |||
| 967 | 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)) | |||
| 968 | -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)) | |||
| 969 | 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)); | |||
| 970 | 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); | |||
| 971 | 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)) | |||
| 972 | 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)) | |||
| 973 | 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)) | |||
| 974 | 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)); | |||
| 975 | 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); | |||
| 976 | ||||
| 977 | pci->metrics.leftSideBearing = (int)floor(newlsb); | |||
| 978 | pci->metrics.rightSideBearing = (int)floor(newrsb + .5); | |||
| 979 | pci->metrics.descent = (int)ceil(newdesc); | |||
| 980 | pci->metrics.ascent = (int)floor(newasc + .5); | |||
| 981 | /* Accumulate total width of characters before transformation, | |||
| 982 | to ascertain predominant direction of font. */ | |||
| 983 | totalwidth += opci->metrics.characterWidth; | |||
| 984 | pci->metrics.characterWidth = | |||
| 985 | doround((double)opci->metrics.characterWidth * xmult); | |||
| 986 | pci->metrics.attributes = | |||
| 987 | doround((double)opci->metrics.characterWidth * sWidthMult); | |||
| 988 | if (!pci->metrics.characterWidth) | |||
| 989 | { | |||
| 990 | /* Since transformation may shrink width, height, and | |||
| 991 | escapement to zero, make sure existing characters | |||
| 992 | are not mistaken for undefined characters. */ | |||
| 993 | ||||
| 994 | if (pci->metrics.rightSideBearing == | |||
| 995 | pci->metrics.leftSideBearing) | |||
| 996 | pci->metrics.rightSideBearing++; | |||
| 997 | if (pci->metrics.ascent == -pci->metrics.descent) | |||
| 998 | pci->metrics.ascent++; | |||
| 999 | } | |||
| 1000 | ||||
| 1001 | pci++; | |||
| 1002 | } | |||
| 1003 | } | |||
| 1004 | ||||
| 1005 | ||||
| 1006 | /* | |||
| 1007 | * For each character, set the per-character metrics, scale the glyph, and | |||
| 1008 | * check per-font minbounds and maxbounds character information. | |||
| 1009 | */ | |||
| 1010 | ||||
| 1011 | pci = bitmapFont->metrics; | |||
| 1012 | for (i = 0; i < nchars; i++) | |||
| 1013 | { | |||
| 1014 | if ((pci = ACCESSENCODING(bitmapFont->encoding,i)(bitmapFont->encoding[(i)/128]?(bitmapFont->encoding[(i )/128][(i)%128]):0)) && | |||
| 1015 | (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))) | |||
| 1016 | { | |||
| 1017 | totalchars++; | |||
| 1018 | *sWidth += abs((int)(INT16)pci->metrics.attributes); | |||
| 1019 | #define MINMAX(field) \ | |||
| 1020 | if (pfi->minbounds.field > pci->metrics.field) \ | |||
| 1021 | pfi->minbounds.field = pci->metrics.field; \ | |||
| 1022 | if (pfi->maxbounds.field < pci->metrics.field) \ | |||
| 1023 | pfi->maxbounds.field = pci->metrics.field | |||
| 1024 | ||||
| 1025 | MINMAX(leftSideBearing); | |||
| 1026 | MINMAX(rightSideBearing); | |||
| 1027 | MINMAX(ascent); | |||
| 1028 | MINMAX(descent); | |||
| 1029 | MINMAX(characterWidth); | |||
| 1030 | ||||
| 1031 | /* Hack: Cast attributes into a signed quantity. Tread lightly | |||
| 1032 | for now and don't go changing the global Xproto.h file */ | |||
| 1033 | if ((INT16)pfi->minbounds.attributes > | |||
| 1034 | (INT16)pci->metrics.attributes) | |||
| 1035 | pfi->minbounds.attributes = pci->metrics.attributes; | |||
| 1036 | if ((INT16)pfi->maxbounds.attributes < | |||
| 1037 | (INT16)pci->metrics.attributes) | |||
| 1038 | pfi->maxbounds.attributes = pci->metrics.attributes; | |||
| 1039 | #undef MINMAX | |||
| 1040 | } | |||
| 1041 | } | |||
| 1042 | pfi->ink_minbounds = pfi->minbounds; | |||
| 1043 | pfi->ink_maxbounds = pfi->maxbounds; | |||
| 1044 | if (totalchars) | |||
| 1045 | { | |||
| 1046 | *sWidth = (*sWidth * 10 + totalchars / 2) / totalchars; | |||
| 1047 | if (totalwidth < 0) | |||
| 1048 | { | |||
| 1049 | /* Dominant direction is R->L */ | |||
| 1050 | *sWidth = -*sWidth; | |||
| 1051 | } | |||
| 1052 | ||||
| 1053 | if (pfi->minbounds.characterWidth == pfi->maxbounds.characterWidth) | |||
| 1054 | vals->width = pfi->minbounds.characterWidth * 10; | |||
| 1055 | else | |||
| 1056 | vals->width = doround((double)*sWidth * vals->pixel_matrix[0] / | |||
| 1057 | 1000.0); | |||
| 1058 | } | |||
| 1059 | else | |||
| 1060 | { | |||
| 1061 | vals->width = 0; | |||
| 1062 | *sWidth = 0; | |||
| 1063 | } | |||
| 1064 | FontComputeInfoAccelerators (pfi); | |||
| 1065 | ||||
| 1066 | if (pfi->defaultCh != (unsigned short) NO_SUCH_CHAR-1) { | |||
| 1067 | unsigned int r, | |||
| 1068 | c, | |||
| 1069 | cols; | |||
| 1070 | ||||
| 1071 | r = pfi->defaultCh >> 8; | |||
| 1072 | c = pfi->defaultCh & 0xFF; | |||
| 1073 | if (pfi->firstRow <= r && r <= pfi->lastRow && | |||
| 1074 | pfi->firstCol <= c && c <= pfi->lastCol) { | |||
| 1075 | cols = pfi->lastCol - pfi->firstCol + 1; | |||
| 1076 | r = r - pfi->firstRow; | |||
| 1077 | c = c - pfi->firstCol; | |||
| 1078 | bitmapFont->pDefault = | |||
| 1079 | ACCESSENCODING(bitmapFont->encoding, r * cols + c)(bitmapFont->encoding[(r * cols + c)/128]?(bitmapFont-> encoding[(r * cols + c)/128][(r * cols + c)%128]):0); | |||
| 1080 | } | |||
| 1081 | } | |||
| 1082 | ||||
| 1083 | *newWidthMult = xmult; | |||
| 1084 | *newHeightMult = ymult; | |||
| 1085 | return pf; | |||
| 1086 | bail: | |||
| 1087 | if (pf) | |||
| 1088 | free(pf); | |||
| 1089 | if (bitmapFont) { | |||
| 1090 | free(bitmapFont->metrics); | |||
| 1091 | free(bitmapFont->ink_metrics); | |||
| 1092 | free(bitmapFont->bitmaps); | |||
| 1093 | if(bitmapFont->encoding) | |||
| 1094 | for(i=0; i<NUM_SEGMENTS(nchars)(((nchars)+128 -1)/128); i++) | |||
| 1095 | free(bitmapFont->encoding[i]); | |||
| 1096 | free(bitmapFont->encoding); | |||
| 1097 | } | |||
| 1098 | return NULL((void *)0); | |||
| 1099 | } | |||
| 1100 | ||||
| 1101 | static void | |||
| 1102 | ScaleBitmap(FontPtr pFont, CharInfoPtr opci, CharInfoPtr pci, | |||
| 1103 | double *inv_xform, double widthMult, double heightMult) | |||
| 1104 | { | |||
| 1105 | register char *bitmap, /* The bits */ | |||
| 1106 | *newBitmap; | |||
| 1107 | register int bpr, /* Padding information */ | |||
| 1108 | newBpr; | |||
| 1109 | int width, /* Extents information */ | |||
| 1110 | height, | |||
| 1111 | newWidth, | |||
| 1112 | newHeight; | |||
| 1113 | register int row, /* Loop variables */ | |||
| 1114 | col; | |||
| 1115 | INT32 deltaX, /* Increments for resampling loop */ | |||
| 1116 | deltaY; | |||
| 1117 | INT32 xValue, /* Subscripts for resampling loop */ | |||
| 1118 | yValue; | |||
| 1119 | double point[2]; | |||
| 1120 | unsigned char *char_grayscale = 0; | |||
| 1121 | INT32 *diffusion_workspace = NULL((void *)0), *thisrow = NULL((void *)0), | |||
| 1122 | *nextrow = NULL((void *)0), pixmult = 0; | |||
| 1123 | int box_x = 0, box_y = 0; | |||
| 1124 | ||||
| 1125 | static unsigned char masklsb[] = | |||
| 1126 | { 0x1, 0x2, 0x4, 0x8, 0x10, 0x20, 0x40, 0x80 }; | |||
| 1127 | static unsigned char maskmsb[] = | |||
| 1128 | { 0x80, 0x40, 0x20, 0x10, 0x8, 0x4, 0x2, 0x1 }; | |||
| 1129 | unsigned char *mask = (pFont->bit == LSBFirst0 ? masklsb : maskmsb); | |||
| 1130 | ||||
| 1131 | ||||
| 1132 | bitmap = opci->bits; | |||
| 1133 | newBitmap = pci->bits; | |||
| 1134 | width = GLYPHWIDTHPIXELS(opci)((opci)->metrics.rightSideBearing - (opci)->metrics.leftSideBearing ); | |||
| 1135 | height = GLYPHHEIGHTPIXELS(opci)((opci)->metrics.ascent + (opci)->metrics.descent); | |||
| 1136 | newWidth = GLYPHWIDTHPIXELS(pci)((pci)->metrics.rightSideBearing - (pci)->metrics.leftSideBearing ); | |||
| 1137 | newHeight = GLYPHHEIGHTPIXELS(pci)((pci)->metrics.ascent + (pci)->metrics.descent); | |||
| 1138 | if (!newWidth || !newHeight || !width || !height) | |||
| 1139 | return; | |||
| 1140 | ||||
| 1141 | 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); | |||
| 1142 | 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); | |||
| 1143 | ||||
| 1144 | if (widthMult > 0.0 && heightMult > 0.0 && | |||
| 1145 | (widthMult < 1.0 || heightMult < 1.0)) | |||
| 1146 | { | |||
| 1147 | /* We are reducing in one or both dimensions. In an attempt to | |||
| 1148 | reduce aliasing, we'll antialias by passing the original | |||
| 1149 | glyph through a low-pass box filter (which results in a | |||
| 1150 | grayscale image), then use error diffusion to create bitonal | |||
| 1151 | output in the resampling loop. */ | |||
| 1152 | ||||
| 1153 | /* First compute the sizes of the box filter */ | |||
| 1154 | widthMult = ceil(1.0 / widthMult); | |||
| 1155 | heightMult = ceil(1.0 / heightMult); | |||
| 1156 | box_x = width / 2; | |||
| 1157 | box_y = height / 2; | |||
| 1158 | if (widthMult < (double)box_x) box_x = (int)widthMult; | |||
| 1159 | if (heightMult < (double)box_y) box_y = (int)heightMult; | |||
| 1160 | /* The pixmult value (below) is used to darken the image before | |||
| 1161 | we perform error diffusion: a necessary concession to the | |||
| 1162 | fact that it's very difficult to generate readable halftoned | |||
| 1163 | glyphs. The degree of darkening is proportional to the size | |||
| 1164 | of the blurring filter, hence inversely proportional to the | |||
| 1165 | darkness of the lightest gray that results from antialiasing. | |||
| 1166 | The result is that characters that exercise this logic (those | |||
| 1167 | generated by reducing from a larger source font) tend to err | |||
| 1168 | on the side of being too bold instead of being too light to | |||
| 1169 | be readable. */ | |||
| 1170 | pixmult = box_x * box_y * 192; | |||
| 1171 | ||||
| 1172 | if (box_x > 1 || box_y > 1) | |||
| 1173 | { | |||
| 1174 | /* Looks like we need to anti-alias. Create a workspace to | |||
| 1175 | contain the grayscale character plus an additional row and | |||
| 1176 | column for scratch */ | |||
| 1177 | char_grayscale = malloc((width + 1) * (height + 1)); | |||
| 1178 | if (char_grayscale) | |||
| 1179 | { | |||
| 1180 | diffusion_workspace = calloc((newWidth + 2) * 2, sizeof(int)); | |||
| 1181 | if (!diffusion_workspace) | |||
| 1182 | { | |||
| 1183 | fprintf(stderr__stderrp, "Warning: Couldn't allocate diffusion" | |||
| 1184 | " workspace (%ld)\n", | |||
| 1185 | (newWidth + 2) * 2 * (unsigned long)sizeof(int)); | |||
| 1186 | free(char_grayscale); | |||
| 1187 | char_grayscale = (unsigned char *)0; | |||
| 1188 | } | |||
| 1189 | /* Initialize our error diffusion workspace for later use */ | |||
| 1190 | thisrow = diffusion_workspace + 1; | |||
| 1191 | nextrow = diffusion_workspace + newWidth + 3; | |||
| 1192 | } else { | |||
| 1193 | fprintf(stderr__stderrp, "Warning: Couldn't allocate character grayscale (%d)\n", (width + 1) * (height + 1)); | |||
| 1194 | } | |||
| 1195 | } | |||
| 1196 | } | |||
| 1197 | ||||
| 1198 | if (char_grayscale) | |||
| 1199 | { | |||
| 1200 | /* We will be doing antialiasing. First copy the bitmap into | |||
| 1201 | our buffer, mapping input range [0,1] to output range | |||
| 1202 | [0,255]. */ | |||
| 1203 | register unsigned char *srcptr, *dstptr; | |||
| 1204 | srcptr = (unsigned char *)bitmap; | |||
| 1205 | dstptr = char_grayscale; | |||
| 1206 | for (row = 0; row < height; row++) | |||
| 1207 | { | |||
| 1208 | for (col = 0; col < width; col++) | |||
| 1209 | *dstptr++ = (srcptr[col >> 3] & mask[col & 0x7]) ? 255 : 0; | |||
| 1210 | srcptr += bpr; /* On to next row of source */ | |||
| 1211 | dstptr++; /* Skip scratch column in dest */ | |||
| 1212 | } | |||
| 1213 | if (box_x > 1) | |||
| 1214 | { | |||
| 1215 | /* Our box filter has a width > 1... let's filter the rows */ | |||
| 1216 | ||||
| 1217 | int right_width = box_x / 2; | |||
| 1218 | int left_width = box_x - right_width - 1; | |||
| 1219 | ||||
| 1220 | for (row = 0; row < height; row++) | |||
| 1221 | { | |||
| 1222 | int sum = 0; | |||
| 1223 | int left_size = 0, right_size = 0; | |||
| 1224 | ||||
| 1225 | srcptr = char_grayscale + (width + 1) * row; | |||
| 1226 | dstptr = char_grayscale + (width + 1) * height; /* scratch */ | |||
| 1227 | ||||
| 1228 | /* We've computed the shape of our full box filter. Now | |||
| 1229 | compute the right-hand part of the moving sum */ | |||
| 1230 | for (right_size = 0; right_size < right_width; right_size++) | |||
| 1231 | sum += srcptr[right_size]; | |||
| 1232 | ||||
| 1233 | /* Now start moving the sum, growing the box filter, and | |||
| 1234 | dropping averages into our scratch buffer */ | |||
| 1235 | for (left_size = 0; left_size < left_width; left_size++) | |||
| 1236 | { | |||
| 1237 | sum += srcptr[right_width]; | |||
| 1238 | *dstptr++ = sum / (left_size + right_width + 1); | |||
| 1239 | srcptr++; | |||
| 1240 | } | |||
| 1241 | ||||
| 1242 | /* The box filter has reached full width... continue | |||
| 1243 | computation of moving average until the right side | |||
| 1244 | hits the wall. */ | |||
| 1245 | for (col = left_size; col + right_size < width; col++) | |||
| 1246 | { | |||
| 1247 | sum += srcptr[right_width]; | |||
| 1248 | *dstptr++ = sum / box_x; | |||
| 1249 | sum -= srcptr[-left_width]; | |||
| 1250 | srcptr++; | |||
| 1251 | } | |||
| 1252 | ||||
| 1253 | /* Collapse the right side of the box filter */ | |||
| 1254 | for (; right_size > 0; right_size--) | |||
| 1255 | { | |||
| 1256 | *dstptr++ = sum / (left_width + right_size); | |||
| 1257 | sum -= srcptr[-left_width]; | |||
| 1258 | srcptr++; | |||
| 1259 | } | |||
| 1260 | ||||
| 1261 | /* Done with the row... copy dest back over source */ | |||
| 1262 | 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)) | |||
| 1263 | 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)) | |||
| 1264 | width)__builtin___memmove_chk (char_grayscale + (width + 1) * row, char_grayscale + (width + 1) * height, width, __builtin_object_size (char_grayscale + (width + 1) * row, 0)); | |||
| 1265 | } | |||
| 1266 | } | |||
| 1267 | if (box_y > 1) | |||
| 1268 | { | |||
| 1269 | /* Our box filter has a height > 1... let's filter the columns */ | |||
| 1270 | ||||
| 1271 | int bottom_height = box_y / 2; | |||
| 1272 | int top_height = box_y - bottom_height - 1; | |||
| 1273 | ||||
| 1274 | for (col = 0; col < width; col++) | |||
| 1275 | { | |||
| 1276 | int sum = 0; | |||
| 1277 | int top_size = 0, bottom_size = 0; | |||
| 1278 | ||||
| 1279 | srcptr = char_grayscale + col; | |||
| 1280 | dstptr = char_grayscale + width; /* scratch */ | |||
| 1281 | ||||
| 1282 | /* We've computed the shape of our full box filter. Now | |||
| 1283 | compute the bottom part of the moving sum */ | |||
| 1284 | for (bottom_size = 0; | |||
| 1285 | bottom_size < bottom_height; | |||
| 1286 | bottom_size++) | |||
| 1287 | sum += srcptr[bottom_size * (width + 1)]; | |||
| 1288 | ||||
| 1289 | /* Now start moving the sum, growing the box filter, and | |||
| 1290 | dropping averages into our scratch buffer */ | |||
| 1291 | for (top_size = 0; top_size < top_height; top_size++) | |||
| 1292 | { | |||
| 1293 | sum += srcptr[bottom_height * (width + 1)]; | |||
| 1294 | *dstptr = sum / (top_size + bottom_height + 1); | |||
| 1295 | dstptr += width + 1; | |||
| 1296 | srcptr += width + 1; | |||
| 1297 | } | |||
| 1298 | ||||
| 1299 | /* The box filter has reached full height... continue | |||
| 1300 | computation of moving average until the bottom | |||
| 1301 | hits the wall. */ | |||
| 1302 | for (row = top_size; row + bottom_size < height; row++) | |||
| 1303 | { | |||
| 1304 | sum += srcptr[bottom_height * (width + 1)]; | |||
| 1305 | *dstptr = sum / box_y; | |||
| 1306 | dstptr += width + 1; | |||
| 1307 | sum -= srcptr[-top_height * (width + 1)]; | |||
| 1308 | srcptr += width + 1; | |||
| 1309 | } | |||
| 1310 | ||||
| 1311 | /* Collapse the bottom of the box filter */ | |||
| 1312 | for (; bottom_size > 0; bottom_size--) | |||
| 1313 | { | |||
| 1314 | *dstptr = sum / (top_height + bottom_size); | |||
| 1315 | dstptr += width + 1; | |||
| 1316 | sum -= srcptr[-top_height * (width + 1)]; | |||
| 1317 | srcptr += width + 1; | |||
| 1318 | } | |||
| 1319 | ||||
| 1320 | /* Done with the column... copy dest back over source */ | |||
| 1321 | ||||
| 1322 | dstptr = char_grayscale + col; | |||
| 1323 | srcptr = char_grayscale + width; /* scratch */ | |||
| 1324 | for (row = 0; row < height; row++) | |||
| 1325 | { | |||
| 1326 | *dstptr = *srcptr; | |||
| 1327 | dstptr += width + 1; | |||
| 1328 | srcptr += width + 1; | |||
| 1329 | } | |||
| 1330 | } | |||
| 1331 | } | |||
| 1332 | ||||
| 1333 | /* Increase the grayvalue to increase ink a bit */ | |||
| 1334 | srcptr = char_grayscale; | |||
| 1335 | for (row = 0; row < height; row++) | |||
| 1336 | { | |||
| 1337 | for (col = 0; col < width; col++) | |||
| 1338 | { | |||
| 1339 | register int pixvalue = (int)*srcptr * pixmult / 256; | |||
| 1340 | if (pixvalue > 255) pixvalue = 255; | |||
| 1341 | *srcptr = pixvalue; | |||
| 1342 | srcptr++; | |||
| 1343 | } | |||
| 1344 | srcptr++; | |||
| 1345 | } | |||
| 1346 | } | |||
| 1347 | ||||
| 1348 | /* Compute the increment values for the resampling loop */ | |||
| 1349 | 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)); | |||
| 1350 | deltaX = (INT32)(point[0] * 65536.0); | |||
| 1351 | deltaY = (INT32)(-point[1] * 65536.0); | |||
| 1352 | ||||
| 1353 | /* Resampling loop: resamples original glyph for generation of new | |||
| 1354 | glyph in transformed coordinate system. */ | |||
| 1355 | ||||
| 1356 | for (row = 0; row < newHeight; row++) | |||
| 1357 | { | |||
| 1358 | /* Compute inverse transformation for start of this row */ | |||
| 1359 | 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)) | |||
| 1360 | (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)) | |||
| 1361 | (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)) | |||
| 1362 | 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)); | |||
| 1363 | ||||
| 1364 | /* Adjust for coordinate system to get resampling point */ | |||
| 1365 | point[0] -= opci->metrics.leftSideBearing; | |||
| 1366 | point[1] = opci->metrics.ascent - point[1]; | |||
| 1367 | ||||
| 1368 | /* Convert to integer coordinates */ | |||
| 1369 | xValue = (INT32)(point[0] * 65536.0); | |||
| 1370 | yValue = (INT32)(point[1] * 65536.0); | |||
| 1371 | ||||
| 1372 | if (char_grayscale) | |||
| 1373 | { | |||
| 1374 | INT32 *temp; | |||
| 1375 | for (col = 0; col < newWidth; col++) | |||
| 1376 | { | |||
| 1377 | register int x = xValue >> 16, y = yValue >> 16; | |||
| 1378 | int pixvalue, error; | |||
| 1379 | ||||
| 1380 | pixvalue = ((x >= 0 && x < width && y >= 0 && y < height) ? | |||
| 1381 | char_grayscale[x + y * (width + 1)] : 0) + | |||
| 1382 | thisrow[col] / 16; | |||
| 1383 | if (pixvalue > 255) pixvalue = 255; | |||
| 1384 | else if (pixvalue < 0) pixvalue = 0; | |||
| 1385 | ||||
| 1386 | /* Choose the bit value and set resulting error value */ | |||
| 1387 | if (pixvalue >= 128) | |||
| 1388 | { | |||
| 1389 | newBitmap[(col >> 3) + row * newBpr] |= mask[col & 0x7]; | |||
| 1390 | error = pixvalue - 255; | |||
| 1391 | } | |||
| 1392 | else | |||
| 1393 | error = -pixvalue; | |||
| 1394 | ||||
| 1395 | /* Diffuse the error */ | |||
| 1396 | thisrow[col + 1] += error * 7; | |||
| 1397 | nextrow[col - 1] += error * 3; | |||
| 1398 | nextrow[col] += error * 5; | |||
| 1399 | nextrow[col + 1] = error; | |||
| 1400 | ||||
| 1401 | xValue += deltaX; | |||
| 1402 | yValue += deltaY; | |||
| 1403 | } | |||
| 1404 | ||||
| 1405 | /* Add in error values that fell off either end */ | |||
| 1406 | nextrow[0] += nextrow[-1]; | |||
| 1407 | nextrow[newWidth - 2] += thisrow[newWidth]; | |||
| 1408 | nextrow[newWidth - 1] += nextrow[newWidth]; | |||
| 1409 | nextrow[newWidth] = 0; | |||
| 1410 | ||||
| 1411 | temp = nextrow; | |||
| 1412 | nextrow = thisrow; | |||
| 1413 | thisrow = temp; | |||
| 1414 | nextrow[-1] = nextrow[0] = 0; | |||
| 1415 | } | |||
| 1416 | else | |||
| 1417 | { | |||
| 1418 | for (col = 0; col < newWidth; col++) | |||
| 1419 | { | |||
| 1420 | register int x = xValue >> 16, y = yValue >> 16; | |||
| 1421 | ||||
| 1422 | if (x >= 0 && x < width && y >= 0 && y < height) | |||
| 1423 | { | |||
| 1424 | /* Use point-sampling for rescaling. */ | |||
| 1425 | ||||
| 1426 | if (bitmap[(x >> 3) + y * bpr] & mask[x & 0x7]) | |||
| 1427 | newBitmap[(col >> 3) + row * newBpr] |= mask[col & 0x7]; | |||
| 1428 | } | |||
| 1429 | ||||
| 1430 | xValue += deltaX; | |||
| 1431 | yValue += deltaY; | |||
| 1432 | } | |||
| 1433 | } | |||
| 1434 | } | |||
| 1435 | ||||
| 1436 | ||||
| 1437 | if (char_grayscale) | |||
| 1438 | { | |||
| 1439 | free(char_grayscale); | |||
| 1440 | free(diffusion_workspace); | |||
| 1441 | } | |||
| 1442 | } | |||
| 1443 | ||||
| 1444 | static FontPtr | |||
| 1445 | BitmapScaleBitmaps(FontPtr pf, /* scaled font */ | |||
| 1446 | FontPtr opf, /* originating font */ | |||
| 1447 | double widthMult, /* glyphs width scale factor */ | |||
| 1448 | double heightMult, /* glyphs height scale factor */ | |||
| 1449 | FontScalablePtr vals) | |||
| 1450 | { | |||
| 1451 | register int i; | |||
| 1452 | int nchars = 0; | |||
| 1453 | char *glyphBytes; | |||
| 1454 | BitmapFontPtr bitmapFont, | |||
| 1455 | obitmapFont; | |||
| 1456 | CharInfoPtr pci, | |||
| 1457 | opci; | |||
| 1458 | FontInfoPtr pfi; | |||
| 1459 | int glyph; | |||
| 1460 | unsigned bytestoalloc = 0; | |||
| ||||
| 1461 | int firstCol, lastCol, firstRow, lastRow; | |||
| 1462 | ||||
| 1463 | double xform[4], inv_xform[4]; | |||
| 1464 | double xmult, ymult; | |||
| 1465 | ||||
| 1466 | bitmapFont = (BitmapFontPtr) pf->fontPrivate; | |||
| 1467 | obitmapFont = (BitmapFontPtr) opf->fontPrivate; | |||
| 1468 | ||||
| 1469 | if (!compute_xform_matrix(vals, widthMult, heightMult, xform, | |||
| 1470 | inv_xform, &xmult, &ymult)) | |||
| 1471 | goto bail; | |||
| 1472 | ||||
| 1473 | pfi = &pf->info; | |||
| 1474 | firstCol = pfi->firstCol; | |||
| 1475 | lastCol = pfi->lastCol; | |||
| 1476 | firstRow = pfi->firstRow; | |||
| 1477 | lastRow = pfi->lastRow; | |||
| 1478 | ||||
| 1479 | nchars = (lastRow - firstRow + 1) * (lastCol - firstCol + 1); | |||
| 1480 | if (nchars <= 0) { | |||
| 1481 | goto bail; | |||
| 1482 | } | |||
| 1483 | ||||
| 1484 | glyph = pf->glyph; | |||
| 1485 | for (i = 0; i < nchars; i++) | |||
| 1486 | { | |||
| 1487 | if ((pci = ACCESSENCODING(bitmapFont->encoding, i)(bitmapFont->encoding[(i)/128]?(bitmapFont->encoding[(i )/128][(i)%128]):0))) | |||
| 1488 | 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)); | |||
| 1489 | } | |||
| 1490 | ||||
| 1491 | /* Do we add the font malloc stuff for VALUE ADDED ? */ | |||
| 1492 | /* Will need to remember to free in the Unload routine */ | |||
| 1493 | ||||
| 1494 | ||||
| 1495 | bitmapFont->bitmaps = calloc(1, bytestoalloc); | |||
| ||||
| 1496 | if (!bitmapFont->bitmaps) { | |||
| 1497 | fprintf(stderr__stderrp, "Error: Couldn't allocate bitmaps (%d)\n", bytestoalloc); | |||
| 1498 | goto bail; | |||
| 1499 | } | |||
| 1500 | ||||
| 1501 | glyphBytes = bitmapFont->bitmaps; | |||
| 1502 | for (i = 0; i < nchars; i++) | |||
| 1503 | { | |||
| 1504 | if ((pci = ACCESSENCODING(bitmapFont->encoding, i)(bitmapFont->encoding[(i)/128]?(bitmapFont->encoding[(i )/128][(i)%128]):0)) && | |||
| 1505 | (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))) | |||
| 1506 | { | |||
| 1507 | pci->bits = glyphBytes; | |||
| 1508 | ScaleBitmap (pf, opci, pci, inv_xform, | |||
| 1509 | widthMult, heightMult); | |||
| 1510 | 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)); | |||
| 1511 | } | |||
| 1512 | } | |||
| 1513 | return pf; | |||
| 1514 | ||||
| 1515 | bail: | |||
| 1516 | if (pf) | |||
| 1517 | free(pf); | |||
| 1518 | if (bitmapFont) { | |||
| 1519 | free(bitmapFont->metrics); | |||
| 1520 | free(bitmapFont->ink_metrics); | |||
| 1521 | free(bitmapFont->bitmaps); | |||
| 1522 | if(bitmapFont->encoding) | |||
| 1523 | for(i=0; i<NUM_SEGMENTS(nchars)(((nchars)+128 -1)/128); i++) | |||
| 1524 | free(bitmapFont->encoding[i]); | |||
| 1525 | free(bitmapFont->encoding); | |||
| 1526 | } | |||
| 1527 | return NULL((void *)0); | |||
| 1528 | } | |||
| 1529 | ||||
| 1530 | /* ARGSUSED */ | |||
| 1531 | int | |||
| 1532 | BitmapOpenScalable (FontPathElementPtr fpe, | |||
| 1533 | FontPtr *pFont, | |||
| 1534 | int flags, | |||
| 1535 | FontEntryPtr entry, | |||
| 1536 | char *fileName, /* unused */ | |||
| 1537 | FontScalablePtr vals, | |||
| 1538 | fsBitmapFormat format, | |||
| 1539 | fsBitmapFormatMask fmask, | |||
| 1540 | FontPtr non_cachable_font) /* We don't do licensing */ | |||
| 1541 | { | |||
| 1542 | FontScalableRec best; | |||
| 1543 | FontPtr font = NullFont((FontPtr) 0); | |||
| 1544 | double dx, sdx, | |||
| 1545 | dy, sdy, | |||
| 1546 | savedX, savedY; | |||
| 1547 | FontPropPtr props; | |||
| 1548 | char *isStringProp = NULL((void *)0); | |||
| 1549 | int propCount; | |||
| 1550 | int status; | |||
| 1551 | long sWidth; | |||
| 1552 | ||||
| 1553 | FontEntryPtr scaleFrom; | |||
| 1554 | FontPathElementPtr scaleFPE = NULL((void *)0); | |||
| 1555 | FontPtr sourceFont; | |||
| 1556 | char fontName[MAXFONTNAMELEN1024]; | |||
| 1557 | ||||
| 1558 | /* Can't deal with mix-endian fonts yet */ | |||
| 1559 | ||||
| 1560 | ||||
| 1561 | /* Reject outrageously small font sizes to keep the math from | |||
| 1562 | blowing up. */ | |||
| 1563 | if (get_matrix_vertical_component(vals->pixel_matrix) < 1.0 || | |||
| 1564 | get_matrix_horizontal_component(vals->pixel_matrix) < 1.0) | |||
| 1565 | return BadFontName83; | |||
| 1566 | ||||
| 1567 | scaleFrom = FindBestToScale(fpe, entry, vals, &best, &dx, &dy, &sdx, &sdy, | |||
| 1568 | &scaleFPE); | |||
| 1569 | ||||
| 1570 | if (!scaleFrom) | |||
| 1571 | return BadFontName83; | |||
| 1572 | ||||
| 1573 | status = FontFileOpenBitmap(scaleFPE, &sourceFont, LoadAll0x1, scaleFrom, | |||
| 1574 | format, fmask); | |||
| 1575 | ||||
| 1576 | if (status != Successful85) | |||
| 1577 | return BadFontName83; | |||
| 1578 | ||||
| 1579 | if (!vals->width) | |||
| 1580 | vals->width = best.width * dx; | |||
| 1581 | ||||
| 1582 | /* Compute the scaled font */ | |||
| 1583 | ||||
| 1584 | savedX = dx; | |||
| 1585 | savedY = dy; | |||
| 1586 | font = ScaleFont(sourceFont, dx, dy, sdx, sdy, vals, &dx, &dy, &sWidth); | |||
| 1587 | if (font) | |||
| 1588 | font = BitmapScaleBitmaps(font, sourceFont, savedX, savedY, vals); | |||
| 1589 | ||||
| 1590 | if (!font) | |||
| 1591 | { | |||
| 1592 | if (!sourceFont->refcnt) | |||
| 1593 | FontFileCloseFont((FontPathElementPtr) 0, sourceFont); | |||
| 1594 | return AllocError80; | |||
| 1595 | } | |||
| 1596 | ||||
| 1597 | /* Prepare font properties for the new font */ | |||
| 1598 | ||||
| 1599 | strcpy (fontName, scaleFrom->name.name)__builtin___strcpy_chk (fontName, scaleFrom->name.name, __builtin_object_size (fontName, 2 > 1 ? 1 : 0)); | |||
| 1600 | FontParseXLFDName (fontName, vals, FONT_XLFD_REPLACE_VALUE3); | |||
| 1601 | ||||
| 1602 | propCount = ComputeScaledProperties(&sourceFont->info, fontName, vals, | |||
| 1603 | dx, dy, sdx, sdy, sWidth, &props, | |||
| 1604 | &isStringProp); | |||
| 1605 | ||||
| 1606 | if (!sourceFont->refcnt) | |||
| 1607 | FontFileCloseFont((FontPathElementPtr) 0, sourceFont); | |||
| 1608 | ||||
| 1609 | font->info.props = props; | |||
| 1610 | font->info.nprops = propCount; | |||
| 1611 | font->info.isStringProp = isStringProp; | |||
| 1612 | ||||
| 1613 | if (propCount && (!props || !isStringProp)) | |||
| 1614 | { | |||
| 1615 | bitmapUnloadScalable(font); | |||
| 1616 | return AllocError80; | |||
| 1617 | } | |||
| 1618 | ||||
| 1619 | *pFont = font; | |||
| 1620 | return Successful85; | |||
| 1621 | } | |||
| 1622 | ||||
| 1623 | int | |||
| 1624 | BitmapGetInfoScalable (FontPathElementPtr fpe, | |||
| 1625 | FontInfoPtr pFontInfo, | |||
| 1626 | FontEntryPtr entry, | |||
| 1627 | FontNamePtr fontName, | |||
| 1628 | char *fileName, | |||
| 1629 | FontScalablePtr vals) | |||
| 1630 | { | |||
| 1631 | FontPtr pfont; | |||
| 1632 | int flags = 0; | |||
| 1633 | long format = 0; /* It doesn't matter what format for just info */ | |||
| 1634 | long fmask = 0; | |||
| 1635 | int ret; | |||
| 1636 | ||||
| 1637 | ret = BitmapOpenScalable(fpe, &pfont, flags, entry, fileName, vals, | |||
| 1638 | format, fmask, NULL((void *)0)); | |||
| 1639 | if (ret != Successful85) | |||
| 1640 | return ret; | |||
| 1641 | *pFontInfo = pfont->info; | |||
| 1642 | ||||
| 1643 | pfont->info.nprops = 0; | |||
| 1644 | pfont->info.props = NULL((void *)0); | |||
| 1645 | pfont->info.isStringProp = NULL((void *)0); | |||
| 1646 | ||||
| 1647 | (*pfont->unload_font)(pfont); | |||
| 1648 | return Successful85; | |||
| 1649 | } | |||
| 1650 | ||||
| 1651 | static void | |||
| 1652 | bitmapUnloadScalable (FontPtr pFont) | |||
| 1653 | { | |||
| 1654 | BitmapFontPtr bitmapFont; | |||
| 1655 | FontInfoPtr pfi; | |||
| 1656 | int i, nencoding; | |||
| 1657 | ||||
| 1658 | bitmapFont = (BitmapFontPtr) pFont->fontPrivate; | |||
| 1659 | pfi = &pFont->info; | |||
| 1660 | free (pfi->props); | |||
| 1661 | free (pfi->isStringProp); | |||
| 1662 | if(bitmapFont->encoding) { | |||
| 1663 | nencoding = (pFont->info.lastCol - pFont->info.firstCol + 1) * | |||
| 1664 | (pFont->info.lastRow - pFont->info.firstRow + 1); | |||
| 1665 | for(i=0; i<NUM_SEGMENTS(nencoding)(((nencoding)+128 -1)/128); i++) | |||
| 1666 | free(bitmapFont->encoding[i]); | |||
| 1667 | } | |||
| 1668 | free (bitmapFont->encoding); | |||
| 1669 | free (bitmapFont->bitmaps); | |||
| 1670 | free (bitmapFont->ink_metrics); | |||
| 1671 | free (bitmapFont->metrics); | |||
| 1672 | free (pFont->fontPrivate); | |||
| 1673 | DestroyFontRec (pFont); | |||
| 1674 | } |