File: | bitmap/bitscale.c |
Location: | line 622, column 24 |
Description: | Dereference of null pointer (loaded from variable 'ptr3') |
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 | glyph = pf->glyph; | |||
1481 | for (i = 0; i < nchars; i++) | |||
1482 | { | |||
1483 | if ((pci = ACCESSENCODING(bitmapFont->encoding, i)(bitmapFont->encoding[(i)/128]?(bitmapFont->encoding[(i )/128][(i)%128]):0))) | |||
1484 | 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)); | |||
1485 | } | |||
1486 | ||||
1487 | /* Do we add the font malloc stuff for VALUE ADDED ? */ | |||
1488 | /* Will need to remember to free in the Unload routine */ | |||
1489 | ||||
1490 | ||||
1491 | bitmapFont->bitmaps = calloc(1, bytestoalloc); | |||
1492 | if (!bitmapFont->bitmaps) { | |||
1493 | fprintf(stderr__stderrp, "Error: Couldn't allocate bitmaps (%d)\n", bytestoalloc); | |||
1494 | goto bail; | |||
1495 | } | |||
1496 | ||||
1497 | glyphBytes = bitmapFont->bitmaps; | |||
1498 | for (i = 0; i < nchars; i++) | |||
1499 | { | |||
1500 | if ((pci = ACCESSENCODING(bitmapFont->encoding, i)(bitmapFont->encoding[(i)/128]?(bitmapFont->encoding[(i )/128][(i)%128]):0)) && | |||
1501 | (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))) | |||
1502 | { | |||
1503 | pci->bits = glyphBytes; | |||
1504 | ScaleBitmap (pf, opci, pci, inv_xform, | |||
1505 | widthMult, heightMult); | |||
1506 | 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)); | |||
1507 | } | |||
1508 | } | |||
1509 | return pf; | |||
1510 | ||||
1511 | bail: | |||
1512 | if (pf) | |||
1513 | free(pf); | |||
1514 | if (bitmapFont) { | |||
1515 | free(bitmapFont->metrics); | |||
1516 | free(bitmapFont->ink_metrics); | |||
1517 | free(bitmapFont->bitmaps); | |||
1518 | if(bitmapFont->encoding) | |||
1519 | for(i=0; i<NUM_SEGMENTS(nchars)(((nchars)+128 -1)/128); i++) | |||
1520 | free(bitmapFont->encoding[i]); | |||
1521 | free(bitmapFont->encoding); | |||
1522 | } | |||
1523 | return NULL((void *)0); | |||
1524 | } | |||
1525 | ||||
1526 | /* ARGSUSED */ | |||
1527 | int | |||
1528 | BitmapOpenScalable (FontPathElementPtr fpe, | |||
1529 | FontPtr *pFont, | |||
1530 | int flags, | |||
1531 | FontEntryPtr entry, | |||
1532 | char *fileName, /* unused */ | |||
1533 | FontScalablePtr vals, | |||
1534 | fsBitmapFormat format, | |||
1535 | fsBitmapFormatMask fmask, | |||
1536 | FontPtr non_cachable_font) /* We don't do licensing */ | |||
1537 | { | |||
1538 | FontScalableRec best; | |||
1539 | FontPtr font = NullFont((FontPtr) 0); | |||
1540 | double dx, sdx, | |||
1541 | dy, sdy, | |||
1542 | savedX, savedY; | |||
1543 | FontPropPtr props; | |||
1544 | char *isStringProp = NULL((void *)0); | |||
1545 | int propCount; | |||
1546 | int status; | |||
1547 | long sWidth; | |||
1548 | ||||
1549 | FontEntryPtr scaleFrom; | |||
1550 | FontPathElementPtr scaleFPE = NULL((void *)0); | |||
1551 | FontPtr sourceFont; | |||
1552 | char fontName[MAXFONTNAMELEN1024]; | |||
1553 | ||||
1554 | /* Can't deal with mix-endian fonts yet */ | |||
1555 | ||||
1556 | ||||
1557 | /* Reject outrageously small font sizes to keep the math from | |||
1558 | blowing up. */ | |||
1559 | if (get_matrix_vertical_component(vals->pixel_matrix) < 1.0 || | |||
1560 | get_matrix_horizontal_component(vals->pixel_matrix) < 1.0) | |||
1561 | return BadFontName83; | |||
1562 | ||||
1563 | scaleFrom = FindBestToScale(fpe, entry, vals, &best, &dx, &dy, &sdx, &sdy, | |||
1564 | &scaleFPE); | |||
1565 | ||||
1566 | if (!scaleFrom) | |||
1567 | return BadFontName83; | |||
1568 | ||||
1569 | status = FontFileOpenBitmap(scaleFPE, &sourceFont, LoadAll0x1, scaleFrom, | |||
1570 | format, fmask); | |||
1571 | ||||
1572 | if (status != Successful85) | |||
1573 | return BadFontName83; | |||
1574 | ||||
1575 | if (!vals->width) | |||
1576 | vals->width = best.width * dx; | |||
1577 | ||||
1578 | /* Compute the scaled font */ | |||
1579 | ||||
1580 | savedX = dx; | |||
1581 | savedY = dy; | |||
1582 | font = ScaleFont(sourceFont, dx, dy, sdx, sdy, vals, &dx, &dy, &sWidth); | |||
1583 | if (font) | |||
1584 | font = BitmapScaleBitmaps(font, sourceFont, savedX, savedY, vals); | |||
1585 | ||||
1586 | if (!font) | |||
1587 | { | |||
1588 | if (!sourceFont->refcnt) | |||
1589 | FontFileCloseFont((FontPathElementPtr) 0, sourceFont); | |||
1590 | return AllocError80; | |||
1591 | } | |||
1592 | ||||
1593 | /* Prepare font properties for the new font */ | |||
1594 | ||||
1595 | strcpy (fontName, scaleFrom->name.name)__builtin___strcpy_chk (fontName, scaleFrom->name.name, __builtin_object_size (fontName, 2 > 1 ? 1 : 0)); | |||
1596 | FontParseXLFDName (fontName, vals, FONT_XLFD_REPLACE_VALUE3); | |||
1597 | ||||
1598 | propCount = ComputeScaledProperties(&sourceFont->info, fontName, vals, | |||
1599 | dx, dy, sdx, sdy, sWidth, &props, | |||
1600 | &isStringProp); | |||
1601 | ||||
1602 | if (!sourceFont->refcnt) | |||
1603 | FontFileCloseFont((FontPathElementPtr) 0, sourceFont); | |||
1604 | ||||
1605 | font->info.props = props; | |||
1606 | font->info.nprops = propCount; | |||
1607 | font->info.isStringProp = isStringProp; | |||
1608 | ||||
1609 | if (propCount && (!props || !isStringProp)) | |||
1610 | { | |||
1611 | bitmapUnloadScalable(font); | |||
1612 | return AllocError80; | |||
1613 | } | |||
1614 | ||||
1615 | *pFont = font; | |||
1616 | return Successful85; | |||
1617 | } | |||
1618 | ||||
1619 | int | |||
1620 | BitmapGetInfoScalable (FontPathElementPtr fpe, | |||
1621 | FontInfoPtr pFontInfo, | |||
1622 | FontEntryPtr entry, | |||
1623 | FontNamePtr fontName, | |||
1624 | char *fileName, | |||
1625 | FontScalablePtr vals) | |||
1626 | { | |||
1627 | FontPtr pfont; | |||
1628 | int flags = 0; | |||
1629 | long format = 0; /* It doesn't matter what format for just info */ | |||
1630 | long fmask = 0; | |||
1631 | int ret; | |||
1632 | ||||
1633 | ret = BitmapOpenScalable(fpe, &pfont, flags, entry, fileName, vals, | |||
| ||||
1634 | format, fmask, NULL((void *)0)); | |||
1635 | if (ret != Successful85) | |||
1636 | return ret; | |||
1637 | *pFontInfo = pfont->info; | |||
1638 | ||||
1639 | pfont->info.nprops = 0; | |||
1640 | pfont->info.props = NULL((void *)0); | |||
1641 | pfont->info.isStringProp = NULL((void *)0); | |||
1642 | ||||
1643 | (*pfont->unload_font)(pfont); | |||
1644 | return Successful85; | |||
1645 | } | |||
1646 | ||||
1647 | static void | |||
1648 | bitmapUnloadScalable (FontPtr pFont) | |||
1649 | { | |||
1650 | BitmapFontPtr bitmapFont; | |||
1651 | FontInfoPtr pfi; | |||
1652 | int i, nencoding; | |||
1653 | ||||
1654 | bitmapFont = (BitmapFontPtr) pFont->fontPrivate; | |||
1655 | pfi = &pFont->info; | |||
1656 | free (pfi->props); | |||
1657 | free (pfi->isStringProp); | |||
1658 | if(bitmapFont->encoding) { | |||
1659 | nencoding = (pFont->info.lastCol - pFont->info.firstCol + 1) * | |||
1660 | (pFont->info.lastRow - pFont->info.firstRow + 1); | |||
1661 | for(i=0; i<NUM_SEGMENTS(nencoding)(((nencoding)+128 -1)/128); i++) | |||
1662 | free(bitmapFont->encoding[i]); | |||
1663 | } | |||
1664 | free (bitmapFont->encoding); | |||
1665 | free (bitmapFont->bitmaps); | |||
1666 | free (bitmapFont->ink_metrics); | |||
1667 | free (bitmapFont->metrics); | |||
1668 | free (pFont->fontPrivate); | |||
1669 | DestroyFontRec (pFont); | |||
1670 | } |