File: | FreeType/ftfuncs.c |
Location: | line 1962, column 2 |
Description: | Value stored to 'flags' is never read |
1 | /* |
2 | Copyright (c) 1997 by Mark Leisher |
3 | Copyright (c) 1998-2003 by Juliusz Chroboczek |
4 | Copyright (c) 1998 Go Watanabe, All rights reserved. |
5 | Copyright (c) 1998 Kazushi (Jam) Marukawa, All rights reserved. |
6 | Copyright (c) 1998 Takuya SHIOZAKI, All rights reserved. |
7 | Copyright (c) 1998 X-TrueType Server Project, All rights reserved. |
8 | Copyright (c) 2003-2004 After X-TT Project, All rights reserved. |
9 | |
10 | Permission is hereby granted, free of charge, to any person obtaining a copy |
11 | of this software and associated documentation files (the "Software"), to deal |
12 | in the Software without restriction, including without limitation the rights |
13 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
14 | copies of the Software, and to permit persons to whom the Software is |
15 | furnished to do so, subject to the following conditions: |
16 | |
17 | The above copyright notice and this permission notice shall be included in |
18 | all copies or substantial portions of the Software. |
19 | |
20 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
21 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
22 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
23 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
24 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
25 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
26 | THE SOFTWARE. |
27 | */ |
28 | |
29 | #ifdef HAVE_CONFIG_H1 |
30 | #include <config.h> |
31 | #endif |
32 | #include "libxfontint.h" |
33 | #include <X11/fonts/fontmisc.h> |
34 | |
35 | #include <string.h> |
36 | #include <math.h> |
37 | #include <ctype.h> |
38 | |
39 | #include <X11/fonts/fntfilst.h> |
40 | #include <X11/fonts/fontutil.h> |
41 | #include <X11/fonts/FSproto.h> |
42 | #include <ft2build.h> |
43 | #include FT_FREETYPE_H<freetype/freetype.h> |
44 | #include FT_SIZES_H<freetype/ftsizes.h> |
45 | #include FT_TRUETYPE_IDS_H<freetype/ttnameid.h> |
46 | #include FT_TRUETYPE_TABLES_H<freetype/tttables.h> |
47 | #include FT_TYPE1_TABLES_H<freetype/t1tables.h> |
48 | #include FT_XFREE86_H<freetype/ftxf86.h> |
49 | #include FT_BBOX_H<freetype/ftbbox.h> |
50 | #include FT_TRUETYPE_TAGS_H<freetype/tttags.h> |
51 | /* |
52 | * If you want to use FT_Outline_Get_CBox instead of |
53 | * FT_Outline_Get_BBox, define here. |
54 | */ |
55 | /* #define USE_GET_CBOX */ |
56 | #ifdef USE_GET_CBOX |
57 | #include FT_OUTLINE_H<freetype/ftoutln.h> |
58 | #endif |
59 | |
60 | #include <X11/fonts/fontenc.h> |
61 | #include "ft.h" |
62 | #include "ftfuncs.h" |
63 | #include "xttcap.h" |
64 | |
65 | /* Work around FreeType bug */ |
66 | #define WORK_AROUND_UPM2048 2048 |
67 | |
68 | #ifndef True(-1) |
69 | #define True(-1) (-1) |
70 | #endif /* True */ |
71 | #ifndef False(0) |
72 | #define False(0) (0) |
73 | #endif /* False */ |
74 | |
75 | #define FLOOR64(x)((x) & -64) ((x) & -64) |
76 | #define CEIL64(x)(((x) + 64 - 1) & -64) (((x) + 64 - 1) & -64) |
77 | |
78 | /* |
79 | * If you want very lazy method(vl=y) AS DEFAULT when |
80 | * handling large charset, define here. |
81 | */ |
82 | /* #define DEFAULT_VERY_LAZY 1 */ /* Always */ |
83 | #define DEFAULT_VERY_LAZY2 2 /* Multi-byte only */ |
84 | /* #define DEFAULT_VERY_LAZY 256 */ /* Unicode only */ |
85 | |
86 | /* Does the X accept noSuchChar? */ |
87 | #define X_ACCEPTS_NO_SUCH_CHAR |
88 | /* Does the XAA accept NULL noSuchChar.bits?(dangerous) */ |
89 | /* #define XAA_ACCEPTS_NULL_BITS */ |
90 | |
91 | #ifdef X_ACCEPTS_NO_SUCH_CHAR |
92 | static CharInfoRec noSuchChar = { /* metrics */{0,0,0,0,0,0}, |
93 | /* bits */ NULL((void*)0) }; |
94 | #endif |
95 | |
96 | /* The propery names for all the XLFD properties. */ |
97 | |
98 | static const char *xlfd_props[] = { |
99 | "FOUNDRY", |
100 | "FAMILY_NAME", |
101 | "WEIGHT_NAME", |
102 | "SLANT", |
103 | "SETWIDTH_NAME", |
104 | "ADD_STYLE_NAME", |
105 | "PIXEL_SIZE", |
106 | "POINT_SIZE", |
107 | "RESOLUTION_X", |
108 | "RESOLUTION_Y", |
109 | "SPACING", |
110 | "AVERAGE_WIDTH", |
111 | "CHARSET_REGISTRY", |
112 | "CHARSET_ENCODING", |
113 | }; |
114 | |
115 | |
116 | /* read 2-byte value from a SFNT table */ |
117 | static FT_UShort |
118 | sfnt_get_ushort( FT_Face face, |
119 | FT_ULong table_tag, |
120 | FT_ULong table_offset ) |
121 | { |
122 | FT_Byte buff[2]; |
123 | FT_ULong len = sizeof(buff); |
124 | FT_UShort result = 0; |
125 | |
126 | if ( !FT_Load_Sfnt_Table( face, table_tag, table_offset, buff, &len ) ) |
127 | result = (FT_UShort)( (buff[0] << 8) | buff[1] ); |
128 | |
129 | return result; |
130 | } |
131 | |
132 | #define sfnt_get_short(f,t,o)((FT_Short)sfnt_get_ushort((f),(t),(o))) ((FT_Short)sfnt_get_ushort((f),(t),(o))) |
133 | |
134 | |
135 | static int ftypeInitP = 0; /* is the engine initialised? */ |
136 | FT_Library ftypeLibrary; |
137 | |
138 | static FTFacePtr faceTable[NUMFACEBUCKETS32]; |
139 | |
140 | static unsigned |
141 | hash(char *string) |
142 | { |
143 | int i; |
144 | unsigned u = 0; |
145 | for(i = 0; string[i] != '\0'; i++) |
146 | u = (u<<5) + (u >> (NUMFACEBUCKETS32 - 5)) + (unsigned char)string[i]; |
147 | return u; |
148 | } |
149 | |
150 | static int |
151 | ifloor(int x, int y) |
152 | { |
153 | if(x >= 0) |
154 | return x/y; |
155 | else |
156 | return x/y - 1; |
157 | } |
158 | |
159 | static int |
160 | iceil(int x, int y) |
161 | { |
162 | return ifloor(x + y - 1, y); |
163 | } |
164 | |
165 | static int |
166 | FreeTypeOpenFace(FTFacePtr *facep, char *FTFileName, char *realFileName, int faceNumber) |
167 | { |
168 | FT_Error ftrc; |
169 | int bucket; |
170 | FTFacePtr face, otherFace; |
171 | |
172 | if (!ftypeInitP) { |
173 | ftrc = FT_Init_FreeType(&ftypeLibrary); |
174 | if (ftrc != 0) { |
175 | ErrorF__libxfont__ErrorF("FreeType: error initializing ftypeEngine: %d\n", ftrc); |
176 | return AllocError80; |
177 | } |
178 | ftypeInitP = 1; |
179 | } |
180 | |
181 | /* Try to find a matching face in the hashtable */ |
182 | bucket = hash(FTFileName)%NUMFACEBUCKETS32; |
183 | otherFace = faceTable[bucket]; |
184 | while(otherFace) { |
185 | if( strcmp(otherFace->filename, FTFileName) == 0 ) break; |
186 | otherFace = otherFace->next; |
187 | } |
188 | if(otherFace) { |
189 | MUMBLE("Returning cached face: %s\n", otherFace->filename); |
190 | *facep = otherFace; |
191 | return Successful85; |
192 | } |
193 | |
194 | /* No cached match; need to make a new one */ |
195 | face = calloc(1, sizeof(FTFaceRec)); |
196 | if (face == NULL((void*)0)) { |
197 | return AllocError80; |
198 | } |
199 | |
200 | face->filename = strdup(FTFileName); |
201 | if (face->filename == NULL((void*)0)) { |
202 | free(face); |
203 | return AllocError80; |
204 | } |
205 | |
206 | ftrc = FT_New_Face(ftypeLibrary, realFileName, faceNumber, &face->face); |
207 | if(ftrc != 0) { |
208 | ErrorF__libxfont__ErrorF("FreeType: couldn't open face %s: %d\n", FTFileName, ftrc); |
209 | free(face->filename); |
210 | free(face); |
211 | return BadFontName83; |
212 | } |
213 | |
214 | face->bitmap = ((face->face->face_flags & FT_FACE_FLAG_SCALABLE( 1L << 0 )) == 0); |
215 | if(!face->bitmap) { |
216 | TT_MaxProfile *maxp; |
217 | maxp = FT_Get_Sfnt_Table(face->face, ft_sfnt_maxp); |
218 | if(maxp && maxp->maxContours == 0) |
219 | face->bitmap = 1; |
220 | } |
221 | |
222 | face->num_hmetrics = (FT_UInt) sfnt_get_ushort( face->face, |
223 | TTAG_hhea(FT_Tag) ( ( (FT_ULong)'h' << 24 ) | ( (FT_ULong)'h' << 16 ) | ( (FT_ULong)'e' << 8 ) | (FT_ULong)'a' ), 34 ); |
224 | |
225 | /* Insert face in hashtable and return it */ |
226 | face->next = faceTable[bucket]; |
227 | faceTable[bucket] = face; |
228 | *facep = face; |
229 | return Successful85; |
230 | } |
231 | |
232 | static void |
233 | FreeTypeFreeFace(FTFacePtr face) |
234 | { |
235 | int bucket; |
236 | FTFacePtr otherFace; |
237 | |
238 | if(!face->instances) { |
239 | bucket = hash(face->filename) % NUMFACEBUCKETS32; |
240 | if(faceTable[bucket] == face) |
241 | faceTable[bucket] = face->next; |
242 | else { |
243 | otherFace = faceTable[bucket]; |
244 | while(otherFace) { |
245 | if(otherFace->next == face) |
246 | break; |
247 | otherFace = otherFace->next; |
248 | } |
249 | if(otherFace && otherFace->next) |
250 | otherFace->next = otherFace->next->next; |
251 | else |
252 | ErrorF__libxfont__ErrorF("FreeType: freeing unknown face\n"); |
253 | } |
254 | MUMBLE("Closing face: %s\n", face->filename); |
255 | FT_Done_Face(face->face); |
256 | free(face->filename); |
257 | free(face); |
258 | } |
259 | } |
260 | |
261 | static int |
262 | TransEqual(FTNormalisedTransformationPtr t1, FTNormalisedTransformationPtr t2) |
263 | { |
264 | if(t1->scale != t2->scale) |
265 | return 0; |
266 | else if(t1->xres != t2->xres || t1->yres != t2->yres) |
267 | return 0; |
268 | else if(t1->nonIdentity != t2->nonIdentity) |
269 | return 0; |
270 | else if(t1->nonIdentity && t2->nonIdentity) { |
271 | return |
272 | t1->matrix.xx == t2->matrix.xx && |
273 | t1->matrix.yx == t2->matrix.yx && |
274 | t1->matrix.yy == t2->matrix.yy && |
275 | t1->matrix.xy == t2->matrix.xy; |
276 | } else |
277 | return 1; |
278 | } |
279 | |
280 | static int |
281 | BitmapFormatEqual(FontBitmapFormatPtr f1, FontBitmapFormatPtr f2) |
282 | { |
283 | return |
284 | f1->bit == f2->bit && |
285 | f1->byte == f2->byte && |
286 | f1->glyph == f2->glyph; |
287 | } |
288 | |
289 | static int |
290 | TTCapEqual(struct TTCapInfo *t1, struct TTCapInfo *t2) |
291 | { |
292 | return |
293 | t1->autoItalic == t2->autoItalic && |
294 | t1->scaleWidth == t2->scaleWidth && |
295 | t1->scaleBBoxWidth == t2->scaleBBoxWidth && |
296 | t1->scaleBBoxHeight == t2->scaleBBoxHeight && |
297 | t1->doubleStrikeShift == t2->doubleStrikeShift && |
298 | t1->adjustBBoxWidthByPixel == t2->adjustBBoxWidthByPixel && |
299 | t1->adjustLeftSideBearingByPixel == t2->adjustLeftSideBearingByPixel && |
300 | t1->adjustRightSideBearingByPixel == t2->adjustRightSideBearingByPixel && |
301 | t1->flags == t2->flags && |
302 | t1->scaleBitmap == t2->scaleBitmap && |
303 | /* |
304 | If we use forceConstantSpacing, |
305 | we *MUST* allocate new instance. |
306 | */ |
307 | t1->forceConstantSpacingEnd < 0 && |
308 | t2->forceConstantSpacingEnd < 0; |
309 | } |
310 | |
311 | static int |
312 | FTInstanceMatch(FTInstancePtr instance, |
313 | char *FTFileName, FTNormalisedTransformationPtr trans, |
314 | int spacing, FontBitmapFormatPtr bmfmt, |
315 | struct TTCapInfo *tmp_ttcap, FT_Int32 load_flags) |
316 | { |
317 | if(strcmp(instance->face->filename, FTFileName) != 0) { |
318 | return 0; |
319 | } else if(!TransEqual(&instance->transformation, trans)) { |
320 | return 0; |
321 | } else if( spacing != instance->spacing ) { |
322 | return 0; |
323 | } else if( load_flags != instance->load_flags ) { |
324 | return 0; |
325 | } else if(!BitmapFormatEqual(&instance->bmfmt, bmfmt)) { |
326 | return 0; |
327 | } else if(!TTCapEqual(&instance->ttcap, tmp_ttcap)) { |
328 | return 0; |
329 | } else { |
330 | return 1; |
331 | } |
332 | } |
333 | |
334 | static int |
335 | FreeTypeActivateInstance(FTInstancePtr instance) |
336 | { |
337 | FT_Error ftrc; |
338 | if(instance->face->active_instance == instance) |
339 | return Successful85; |
340 | |
341 | ftrc = FT_Activate_Size(instance->size); |
342 | if(ftrc != 0) { |
343 | instance->face->active_instance = NULL((void*)0); |
344 | ErrorF__libxfont__ErrorF("FreeType: couldn't activate instance: %d\n", ftrc); |
345 | return FTtoXReturnCode(ftrc); |
346 | } |
347 | FT_Set_Transform(instance->face->face, |
348 | instance->transformation.nonIdentity ? |
349 | &instance->transformation.matrix : 0, |
350 | 0); |
351 | |
352 | instance->face->active_instance = instance; |
353 | return Successful85; |
354 | } |
355 | |
356 | static int |
357 | FTFindSize(FT_Face face, FTNormalisedTransformationPtr trans, |
358 | int *x_return, int *y_return) |
359 | { |
360 | int tx, ty, x, y; |
361 | int i, j; |
362 | int d, dd; |
363 | |
364 | if(trans->nonIdentity) |
365 | return BadFontName83; |
366 | |
367 | tx = (int)(trans->scale * trans->xres / 72.0 + 0.5); |
368 | ty = (int)(trans->scale * trans->yres / 72.0 + 0.5); |
369 | |
370 | d = 100; |
371 | j = -1; |
372 | for(i = 0; i < face->num_fixed_sizes; i++) { |
373 | x = face->available_sizes[i].width; |
374 | y = face->available_sizes[i].height; |
375 | if(ABS(x - tx)((x - tx) >= 0 ? (x - tx) : -(x - tx)) <= 1 && ABS(y - ty)((y - ty) >= 0 ? (y - ty) : -(y - ty)) <= 1) { |
376 | dd = ABS(x - tx)((x - tx) >= 0 ? (x - tx) : -(x - tx)) * ABS(x - tx)((x - tx) >= 0 ? (x - tx) : -(x - tx)) + ABS(y - ty)((y - ty) >= 0 ? (y - ty) : -(y - ty)) * ABS(y - ty)((y - ty) >= 0 ? (y - ty) : -(y - ty)); |
377 | if(dd < d) { |
378 | j = i; |
379 | d = dd; |
380 | } |
381 | } |
382 | } |
383 | if(j < 0) |
384 | return BadFontName83; |
385 | |
386 | *x_return = face->available_sizes[j].width; |
387 | *y_return = face->available_sizes[j].height; |
388 | return Successful85; |
389 | } |
390 | |
391 | static int |
392 | FreeTypeOpenInstance(FTInstancePtr *instance_return, FTFacePtr face, |
393 | char *FTFileName, FTNormalisedTransformationPtr trans, |
394 | int spacing, FontBitmapFormatPtr bmfmt, |
395 | struct TTCapInfo *tmp_ttcap, FT_Int32 load_flags) |
396 | { |
397 | FT_Error ftrc; |
398 | int xrc; |
399 | FTInstancePtr instance, otherInstance; |
400 | |
401 | /* Search for a matching instance */ |
402 | for(otherInstance = face->instances; |
403 | otherInstance; |
404 | otherInstance = otherInstance->next) { |
405 | if(FTInstanceMatch(otherInstance, FTFileName, trans, spacing, bmfmt, |
406 | tmp_ttcap, load_flags)) break; |
407 | } |
408 | if(otherInstance) { |
409 | MUMBLE("Returning cached instance\n"); |
410 | otherInstance->refcount++; |
411 | *instance_return = otherInstance; |
412 | return Successful85; |
413 | } |
414 | |
415 | /* None matching found */ |
416 | instance = malloc(sizeof(FTInstanceRec)); |
417 | if(instance == NULL((void*)0)) { |
418 | return AllocError80; |
419 | } |
420 | |
421 | instance->refcount = 1; |
422 | instance->face = face; |
423 | |
424 | instance->load_flags = load_flags; |
425 | instance->spacing = spacing; /* Actual spacing */ |
426 | instance->pixel_size =0; |
427 | instance->pixel_width_unit_x =0; |
428 | instance->pixel_width_unit_y =0; |
429 | instance->charcellMetrics = NULL((void*)0); |
430 | instance->averageWidth = 0; |
431 | instance->rawAverageWidth = 0; |
432 | instance->forceConstantMetrics = NULL((void*)0); |
433 | |
434 | instance->transformation = *trans; |
435 | instance->bmfmt = *bmfmt; |
436 | instance->glyphs = NULL((void*)0); |
437 | instance->available = NULL((void*)0); |
438 | |
439 | if( 0 <= tmp_ttcap->forceConstantSpacingEnd ) |
440 | instance->nglyphs = 2 * instance->face->face->num_glyphs; |
441 | else |
442 | instance->nglyphs = instance->face->face->num_glyphs; |
443 | |
444 | /* Store the TTCap info. */ |
445 | memcpy((char*)&instance->ttcap, (char*)tmp_ttcap,__builtin___memcpy_chk ((char*)&instance->ttcap, (char *)tmp_ttcap, sizeof(struct TTCapInfo), __builtin_object_size ( (char*)&instance->ttcap, 0)) |
446 | sizeof(struct TTCapInfo))__builtin___memcpy_chk ((char*)&instance->ttcap, (char *)tmp_ttcap, sizeof(struct TTCapInfo), __builtin_object_size ( (char*)&instance->ttcap, 0)); |
447 | |
448 | ftrc = FT_New_Size(instance->face->face, &instance->size); |
449 | if(ftrc != 0) { |
450 | ErrorF__libxfont__ErrorF("FreeType: couldn't create size object: %d\n", ftrc); |
451 | free(instance); |
452 | return FTtoXReturnCode(ftrc); |
453 | } |
454 | FreeTypeActivateInstance(instance); |
455 | if(!face->bitmap) { |
456 | ftrc = FT_Set_Char_Size(instance->face->face, |
457 | (int)(trans->scale*(1<<6) + 0.5), |
458 | (int)(trans->scale*(1<<6) + 0.5), |
459 | trans->xres, trans->yres); |
460 | } else { |
461 | int xsize, ysize; |
462 | xrc = FTFindSize(face->face, trans, &xsize, &ysize); |
463 | if(xrc != Successful85) { |
464 | free(instance); |
465 | return xrc; |
466 | } |
467 | ftrc = FT_Set_Pixel_Sizes(instance->face->face, xsize, ysize); |
468 | } |
469 | if(ftrc != 0) { |
470 | FT_Done_Size(instance->size); |
471 | free(instance); |
472 | return FTtoXReturnCode(ftrc); |
473 | } |
474 | |
475 | if( FT_IS_SFNT( face->face )( face->face->face_flags & ( 1L << 3 ) ) ) { |
476 | #if 1 |
477 | FT_F26Dot6 tt_char_width, tt_char_height, tt_dim_x, tt_dim_y; |
478 | FT_Int nn; |
479 | |
480 | instance->strike_index=0xFFFFU; |
481 | |
482 | tt_char_width = (FT_F26Dot6)(trans->scale*(1<<6) + 0.5); |
483 | tt_char_height = (FT_F26Dot6)(trans->scale*(1<<6) + 0.5); |
484 | |
485 | tt_dim_x = FLOOR64( ( tt_char_width * trans->xres + 36 ) / 72 + 32 )((( tt_char_width * trans->xres + 36 ) / 72 + 32) & -64 ); |
486 | tt_dim_y = FLOOR64( ( tt_char_height * trans->yres + 36 ) / 72 + 32 )((( tt_char_height * trans->yres + 36 ) / 72 + 32) & - 64); |
487 | |
488 | if ( tt_dim_x && !tt_dim_y ) |
489 | tt_dim_y = tt_dim_x; |
490 | else if ( !tt_dim_x && tt_dim_y ) |
491 | tt_dim_x = tt_dim_y; |
492 | |
493 | for ( nn = 0; nn < face->face->num_fixed_sizes; nn++ ) |
494 | { |
495 | FT_Bitmap_Size* sz = &face->face->available_sizes[nn]; |
496 | |
497 | if ( tt_dim_x == FLOOR64(sz->x_ppem + 32)((sz->x_ppem + 32) & -64) && tt_dim_y == FLOOR64(sz->y_ppem + 32)((sz->y_ppem + 32) & -64) ) |
498 | { |
499 | instance->strike_index = nn; |
500 | break; |
501 | } |
502 | } |
503 | #else |
504 | /* See Set_Char_Sizes() in ttdriver.c */ |
505 | FT_Error err; |
506 | TT_Face tt_face; |
507 | FT_Long tt_dim_x, tt_dim_y; |
508 | FT_UShort tt_x_ppem, tt_y_ppem; |
509 | FT_F26Dot6 tt_char_width, tt_char_height; |
510 | SFNT_Service sfnt; |
511 | tt_face=(TT_Face)face->face; |
512 | tt_char_width = (int)(trans->scale*(1<<6) + 0.5); |
513 | tt_char_height = (int)(trans->scale*(1<<6) + 0.5); |
514 | if ( ( tt_face->header.Flags & 8 ) != 0 ) { |
515 | tt_dim_x = ( ( tt_char_width * trans->xres + (36+32*72) ) / 72 ) & -64; |
516 | tt_dim_y = ( ( tt_char_height * trans->yres + (36+32*72) ) / 72 ) & -64; |
517 | } |
518 | else{ |
519 | tt_dim_x = ( ( tt_char_width * trans->xres + 36 ) / 72 ); |
520 | tt_dim_y = ( ( tt_char_height * trans->yres + 36 ) / 72 ); |
521 | } |
522 | tt_x_ppem = (FT_UShort)( tt_dim_x >> 6 ); |
523 | tt_y_ppem = (FT_UShort)( tt_dim_y >> 6 ); |
524 | /* See Reset_SBit_Size() in ttobjs.c */ |
525 | sfnt = (SFNT_Service)tt_face->sfnt; |
526 | err = sfnt->set_sbit_strike(tt_face,tt_x_ppem,tt_y_ppem,&instance->strike_index); |
527 | if ( err ) instance->strike_index=0xFFFFU; |
528 | #endif |
529 | } |
530 | |
531 | /* maintain a linked list of instances */ |
532 | instance->next = instance->face->instances; |
533 | instance->face->instances = instance; |
534 | |
535 | *instance_return = instance; |
536 | return Successful85; |
537 | } |
538 | |
539 | static void |
540 | FreeTypeFreeInstance(FTInstancePtr instance) |
541 | { |
542 | FTInstancePtr otherInstance; |
543 | |
544 | if( instance == NULL((void*)0) ) return; |
545 | |
546 | if(instance->face->active_instance == instance) |
547 | instance->face->active_instance = NULL((void*)0); |
548 | instance->refcount--; |
549 | if(instance->refcount <= 0) { |
550 | int i,j; |
551 | |
552 | if(instance->face->instances == instance) |
553 | instance->face->instances = instance->next; |
554 | else { |
555 | for(otherInstance = instance->face->instances; |
556 | otherInstance; |
557 | otherInstance = otherInstance->next) |
558 | if(otherInstance->next == instance) { |
559 | otherInstance->next = instance->next; |
560 | break; |
561 | } |
562 | } |
563 | |
564 | FT_Done_Size(instance->size); |
565 | FreeTypeFreeFace(instance->face); |
566 | |
567 | if(instance->charcellMetrics) { |
568 | free(instance->charcellMetrics); |
569 | } |
570 | if(instance->forceConstantMetrics) { |
571 | free(instance->forceConstantMetrics); |
572 | } |
573 | if(instance->glyphs) { |
574 | for(i = 0; i < iceil(instance->nglyphs, FONTSEGMENTSIZE16); i++) { |
575 | if(instance->glyphs[i]) { |
576 | for(j = 0; j < FONTSEGMENTSIZE16; j++) { |
577 | if(instance->available[i][j] == |
578 | FT_AVAILABLE_RASTERISED3) |
579 | free(instance->glyphs[i][j].bits); |
580 | } |
581 | free(instance->glyphs[i]); |
582 | } |
583 | } |
584 | free(instance->glyphs); |
585 | } |
586 | if(instance->available) { |
587 | for(i = 0; i < iceil(instance->nglyphs, FONTSEGMENTSIZE16); i++) { |
588 | if(instance->available[i]) |
589 | free(instance->available[i]); |
590 | } |
591 | free(instance->available); |
592 | } |
593 | free(instance); |
594 | } |
595 | } |
596 | |
597 | static int |
598 | FreeTypeInstanceFindGlyph(unsigned idx_in, int flags, FTInstancePtr instance, |
599 | CharInfoPtr **glyphs, int ***available, |
600 | int *found, int *segmentP, int *offsetP) |
601 | { |
602 | int segment, offset; |
603 | unsigned idx = idx_in; |
604 | |
605 | if( 0 <= instance->ttcap.forceConstantSpacingEnd ){ |
606 | if( (flags & FT_FORCE_CONSTANT_SPACING0x08) ) |
607 | idx += instance->nglyphs / 2 ; |
608 | } |
609 | |
610 | if(idx > instance->nglyphs) { |
611 | *found = 0; |
612 | return Successful85; |
613 | } |
614 | |
615 | if(*available == NULL((void*)0)) { |
616 | *available = calloc(iceil(instance->nglyphs, FONTSEGMENTSIZE16), |
617 | sizeof(int *)); |
618 | if(*available == NULL((void*)0)) |
619 | return AllocError80; |
620 | } |
621 | |
622 | segment = ifloor(idx, FONTSEGMENTSIZE16); |
623 | offset = idx - segment * FONTSEGMENTSIZE16; |
624 | |
625 | if((*available)[segment] == NULL((void*)0)) { |
626 | (*available)[segment] = calloc(FONTSEGMENTSIZE16, sizeof(int)); |
627 | if((*available)[segment] == NULL((void*)0)) |
628 | return AllocError80; |
629 | } |
630 | |
631 | if(*glyphs == NULL((void*)0)) { |
632 | *glyphs = calloc(iceil(instance->nglyphs, FONTSEGMENTSIZE16), |
633 | sizeof(CharInfoPtr)); |
634 | if(*glyphs == NULL((void*)0)) |
635 | return AllocError80; |
636 | } |
637 | |
638 | if((*glyphs)[segment] == NULL((void*)0)) { |
639 | (*glyphs)[segment] = malloc(sizeof(CharInfoRec) * FONTSEGMENTSIZE16); |
640 | if((*glyphs)[segment] == NULL((void*)0)) |
641 | return AllocError80; |
642 | } |
643 | |
644 | *found = 1; |
645 | *segmentP = segment; |
646 | *offsetP = offset; |
647 | return Successful85; |
648 | } |
649 | |
650 | static int |
651 | FreeTypeInstanceGetGlyph(unsigned idx, int flags, CharInfoPtr *g, FTInstancePtr instance) |
652 | { |
653 | int found, segment, offset; |
654 | int xrc; |
655 | int ***available; |
656 | CharInfoPtr **glyphs; |
657 | |
658 | available = &instance->available; |
659 | glyphs = &instance->glyphs; |
660 | |
661 | xrc = FreeTypeInstanceFindGlyph(idx, flags, instance, glyphs, available, |
662 | &found, &segment, &offset); |
663 | if(xrc != Successful85) |
664 | return xrc; |
665 | |
666 | if(!found || (*available)[segment][offset] == FT_AVAILABLE_NO1) { |
667 | *g = NULL((void*)0); |
668 | return Successful85; |
669 | } |
670 | |
671 | if((*available)[segment][offset] == FT_AVAILABLE_RASTERISED3) { |
672 | *g = &(*glyphs)[segment][offset]; |
673 | return Successful85; |
674 | } |
675 | |
676 | flags |= FT_GET_GLYPH_BOTH0x01; |
677 | |
678 | xrc = FreeTypeRasteriseGlyph(idx, flags, |
679 | &(*glyphs)[segment][offset], instance, |
680 | (*available)[segment][offset] >= FT_AVAILABLE_METRICS2); |
681 | if(xrc != Successful85 && (*available)[segment][offset] >= FT_AVAILABLE_METRICS2) { |
682 | ErrorF__libxfont__ErrorF("Warning: FreeTypeRasteriseGlyph() returns an error,\n"); |
683 | ErrorF__libxfont__ErrorF("\tso the backend tries to set a white space.\n"); |
684 | xrc = FreeTypeRasteriseGlyph(idx, flags | FT_GET_DUMMY0x04, |
685 | &(*glyphs)[segment][offset], instance, |
686 | (*available)[segment][offset] >= FT_AVAILABLE_METRICS2); |
687 | } |
688 | if(xrc == Successful85) { |
689 | (*available)[segment][offset] = FT_AVAILABLE_RASTERISED3; |
690 | /* return the glyph */ |
691 | *g = &(*glyphs)[segment][offset]; |
692 | } |
693 | return xrc; |
694 | } |
695 | |
696 | static int |
697 | FreeTypeInstanceGetGlyphMetrics(unsigned idx, int flags, |
698 | xCharInfo **metrics, FTInstancePtr instance ) |
699 | { |
700 | int xrc; |
701 | int found, segment, offset; |
702 | |
703 | /* Char cell */ |
704 | if(instance->spacing == FT_CHARCELL2) { |
705 | *metrics = instance->charcellMetrics; |
706 | return Successful85; |
707 | } |
708 | /* Force constant metrics */ |
709 | if( flags & FT_FORCE_CONSTANT_SPACING0x08) { |
710 | *metrics = instance->forceConstantMetrics; |
711 | return Successful85; |
712 | } |
713 | |
714 | /* Not char cell */ |
715 | |
716 | xrc = FreeTypeInstanceFindGlyph(idx, flags, instance, |
717 | &instance->glyphs, &instance->available, |
718 | &found, &segment, &offset); |
719 | if(xrc != Successful85) |
720 | return xrc; |
721 | if(!found) { |
722 | *metrics = NULL((void*)0); |
723 | return Successful85; |
724 | } |
725 | if( instance->available[segment][offset] == FT_AVAILABLE_NO1 ) { |
726 | *metrics = NULL((void*)0); |
727 | return Successful85; |
728 | } |
729 | |
730 | if( instance->available[segment][offset] >= FT_AVAILABLE_METRICS2 ) { |
731 | *metrics = &instance->glyphs[segment][offset].metrics; |
732 | return Successful85; |
733 | } |
734 | |
735 | flags |= FT_GET_GLYPH_METRICS_ONLY0x02; |
736 | |
737 | xrc = FreeTypeRasteriseGlyph(idx, flags, |
738 | &instance->glyphs[segment][offset], |
739 | instance, 0); |
740 | if(xrc == Successful85) { |
741 | instance->available[segment][offset] = FT_AVAILABLE_METRICS2; |
742 | *metrics = &instance->glyphs[segment][offset].metrics; |
743 | } |
744 | return xrc; |
745 | } |
746 | |
747 | /* |
748 | * Pseudo enbolding similar as Microsoft Windows. |
749 | * It is useful but poor. |
750 | */ |
751 | static void |
752 | ft_make_up_bold_bitmap( char *raster, int bpr, int ht, int ds_mode) |
753 | { |
754 | int x, y; |
755 | unsigned char *p = (unsigned char *)raster; |
756 | if ( ds_mode & TTCAP_DOUBLE_STRIKE_MKBOLD_EDGE_LEFT0x0002 ) { |
757 | for (y=0; y<ht; y++) { |
758 | unsigned char rev_pat=0; |
759 | unsigned char lsb = 0; |
760 | for (x=0; x<bpr; x++) { |
761 | unsigned char tmp = *p<<7; |
762 | if ( (rev_pat & 0x01) && (*p & 0x80) ) p[-1] &= 0xfe; |
763 | rev_pat = ~(*p); |
764 | *p |= (*p>>1) | lsb; |
765 | *p &= ~(rev_pat & (*p << 1)); |
766 | lsb = tmp; |
767 | p++; |
768 | } |
769 | } |
770 | } |
771 | else { |
772 | for (y=0; y<ht; y++) { |
773 | unsigned char lsb = 0; |
774 | for (x=0; x<bpr; x++) { |
775 | unsigned char tmp = *p<<7; |
776 | *p |= (*p>>1) | lsb; |
777 | lsb = tmp; |
778 | p++; |
779 | } |
780 | } |
781 | } |
782 | } |
783 | |
784 | static void |
785 | ft_make_up_italic_bitmap( char *raster, int bpr, int ht, int shift, |
786 | int h_total, int h_offset, double a_italic) |
787 | { |
788 | int x, y; |
789 | unsigned char *p = (unsigned char *)raster; |
790 | if ( a_italic < 0 ) shift = -shift; |
791 | for (y=0; y<ht; y++) { |
792 | unsigned char *tmp_p = p + y*bpr; |
793 | int tmp_shift = shift * (h_total -1 -(y+h_offset)) / h_total; |
794 | int tmp_byte_shift; |
795 | if ( 0 <= tmp_shift ) { |
796 | tmp_byte_shift = tmp_shift/8; |
797 | tmp_shift %= 8; |
798 | if ( tmp_shift ) { |
799 | for (x=bpr-1;0<=x;x--) { |
800 | if ( x != bpr-1 ) |
801 | tmp_p[x+1] |= tmp_p[x]<<(8-tmp_shift); |
802 | tmp_p[x]>>=tmp_shift; |
803 | } |
804 | } |
805 | if ( tmp_byte_shift ) { |
806 | for (x=bpr-1;0<x;x--) { |
807 | tmp_p[x] = tmp_p[x-1]; |
808 | } |
809 | tmp_p[x]=0; |
810 | } |
811 | } |
812 | else { |
813 | tmp_shift = -tmp_shift; |
814 | tmp_byte_shift = tmp_shift/8; |
815 | tmp_shift %= 8; |
816 | if ( tmp_shift ) { |
817 | for (x=0;x<bpr;x++) { |
818 | if ( x != 0 ) |
819 | tmp_p[x-1] |= tmp_p[x]>>(8-tmp_shift); |
820 | tmp_p[x]<<=tmp_shift; |
821 | } |
822 | } |
823 | if ( tmp_byte_shift ) { |
824 | for (x=0;x<bpr-1;x++) { |
825 | tmp_p[x] = tmp_p[x+1]; |
826 | } |
827 | tmp_p[x]=0; |
828 | } |
829 | } |
830 | } |
831 | } |
832 | |
833 | /* |
834 | * The very lazy method, |
835 | * parse the htmx field in TrueType font. |
836 | */ |
837 | |
838 | static void |
839 | tt_get_metrics( FT_Face face, |
840 | FT_UInt idx, |
841 | FT_UInt num_hmetrics, |
842 | FT_Short* bearing, |
843 | FT_UShort* advance ) |
844 | { |
845 | /* read the metrics directly from the horizontal header, we |
846 | * parse the SFNT table directly through the standard FreeType API. |
847 | * this works with any version of the library and doesn't need to |
848 | * peek at its internals. Maybe a bit less |
849 | */ |
850 | FT_UInt count = num_hmetrics; |
851 | FT_ULong length = 0; |
852 | FT_ULong offset = 0; |
853 | FT_Error error; |
854 | |
855 | error = FT_Load_Sfnt_Table( face, TTAG_hmtx(FT_Tag) ( ( (FT_ULong)'h' << 24 ) | ( (FT_ULong)'m' << 16 ) | ( (FT_ULong)'t' << 8 ) | (FT_ULong)'x' ), 0, NULL((void*)0), &length ); |
856 | |
857 | if ( count == 0 || error ) |
858 | { |
859 | *advance = 0; |
860 | *bearing = 0; |
861 | } |
862 | else if ( idx < count ) |
863 | { |
864 | offset = idx * 4L; |
865 | if ( offset + 4 > length ) |
866 | { |
867 | *advance = 0; |
868 | *bearing = 0; |
869 | } |
870 | else |
871 | { |
872 | *advance = sfnt_get_ushort( face, TTAG_hmtx(FT_Tag) ( ( (FT_ULong)'h' << 24 ) | ( (FT_ULong)'m' << 16 ) | ( (FT_ULong)'t' << 8 ) | (FT_ULong)'x' ), offset ); |
873 | *bearing = sfnt_get_short ( face, TTAG_hmtx, offset+2 )((FT_Short)sfnt_get_ushort((face),((FT_Tag) ( ( (FT_ULong)'h' << 24 ) | ( (FT_ULong)'m' << 16 ) | ( (FT_ULong) 't' << 8 ) | (FT_ULong)'x' )),(offset+2))); |
874 | } |
875 | } |
876 | else |
877 | { |
878 | offset = 4L * (count - 1); |
879 | if ( offset + 4 > length ) |
880 | { |
881 | *advance = 0; |
882 | *bearing = 0; |
883 | } |
884 | else |
885 | { |
886 | *advance = sfnt_get_ushort ( face, TTAG_hmtx(FT_Tag) ( ( (FT_ULong)'h' << 24 ) | ( (FT_ULong)'m' << 16 ) | ( (FT_ULong)'t' << 8 ) | (FT_ULong)'x' ), offset ); |
887 | offset += 4 + 2 * ( idx - count ); |
888 | if ( offset + 2 > length) |
889 | *bearing = 0; |
890 | else |
891 | *bearing = sfnt_get_short ( face, TTAG_hmtx, offset )((FT_Short)sfnt_get_ushort((face),((FT_Tag) ( ( (FT_ULong)'h' << 24 ) | ( (FT_ULong)'m' << 16 ) | ( (FT_ULong) 't' << 8 ) | (FT_ULong)'x' )),(offset))); |
892 | } |
893 | } |
894 | } |
895 | |
896 | static int |
897 | ft_get_very_lazy_bbox( FT_UInt index, |
898 | FT_Face face, |
899 | FT_Size size, |
900 | FT_UInt num_hmetrics, |
901 | double slant, |
902 | FT_Matrix *matrix, |
903 | FT_BBox *bbox, |
904 | FT_Long *horiAdvance, |
905 | FT_Long *vertAdvance) |
906 | { |
907 | if ( FT_IS_SFNT( face )( face->face_flags & ( 1L << 3 ) ) ) { |
908 | FT_Size_Metrics *smetrics = &size->metrics; |
909 | FT_Short leftBearing = 0; |
910 | FT_UShort advance = 0; |
911 | FT_Vector p0, p1, p2, p3; |
912 | |
913 | /* horizontal */ |
914 | tt_get_metrics( face, index, num_hmetrics, |
915 | &leftBearing, &advance ); |
916 | |
917 | #if 0 |
918 | fprintf(stderr__stderrp,"x_scale=%f y_scale=%f\n", |
919 | (double)smetrics->x_scale,(double)smetrics->y_scale); |
920 | #endif |
921 | bbox->xMax = *horiAdvance = |
922 | FT_MulFix( advance, smetrics->x_scale ); |
923 | bbox->xMin = |
924 | FT_MulFix( leftBearing, smetrics->x_scale ); |
925 | /* vertical */ |
926 | bbox->yMin = FT_MulFix( face->bbox.yMin, |
927 | smetrics->y_scale ); |
928 | bbox->yMax = FT_MulFix( face->bbox.yMax, |
929 | smetrics->y_scale ); |
930 | /* slant */ |
931 | if( 0 < slant ) { |
932 | bbox->xMax += slant * bbox->yMax; |
933 | bbox->xMin += slant * bbox->yMin; |
934 | } |
935 | else if( slant < 0 ) { |
936 | bbox->xMax += slant * bbox->yMin; |
937 | bbox->xMin += slant * bbox->yMax; |
938 | } |
939 | |
940 | *vertAdvance = -1; /* We don't support */ |
941 | |
942 | p0.x = p2.x = bbox->xMin; |
943 | p1.x = p3.x = bbox->xMax; |
944 | p0.y = p1.y = bbox->yMin; |
945 | p2.y = p3.y = bbox->yMax; |
946 | |
947 | FT_Vector_Transform(&p0, matrix); |
948 | FT_Vector_Transform(&p1, matrix); |
949 | FT_Vector_Transform(&p2, matrix); |
950 | FT_Vector_Transform(&p3, matrix); |
951 | |
952 | #if 0 |
953 | fprintf(stderr__stderrp, |
954 | "->(%.1f %.1f) (%.1f %.1f)" |
955 | " (%.1f %.1f) (%.1f %.1f)\n", |
956 | p0.x / 64.0, p0.y / 64.0, |
957 | p1.x / 64.0, p1.y / 64.0, |
958 | p2.x / 64.0, p2.y / 64.0, |
959 | p3.x / 64.0, p3.y / 64.0); |
960 | #endif |
961 | bbox->xMin = MIN(p0.x, MIN(p1.x, MIN(p2.x, p3.x)))((p0.x) < (((p1.x) < (((p2.x) < (p3.x) ? (p2.x) : (p3 .x))) ? (p1.x) : (((p2.x) < (p3.x) ? (p2.x) : (p3.x))))) ? (p0.x) : (((p1.x) < (((p2.x) < (p3.x) ? (p2.x) : (p3.x ))) ? (p1.x) : (((p2.x) < (p3.x) ? (p2.x) : (p3.x)))))); |
962 | bbox->xMax = MAX(p0.x, MAX(p1.x, MAX(p2.x, p3.x)))((p0.x) > (((p1.x) > (((p2.x) > (p3.x) ? (p2.x) : (p3 .x))) ? (p1.x) : (((p2.x) > (p3.x) ? (p2.x) : (p3.x))))) ? (p0.x) : (((p1.x) > (((p2.x) > (p3.x) ? (p2.x) : (p3.x ))) ? (p1.x) : (((p2.x) > (p3.x) ? (p2.x) : (p3.x)))))); |
963 | bbox->yMin = MIN(p0.y, MIN(p1.y, MIN(p2.y, p3.y)))((p0.y) < (((p1.y) < (((p2.y) < (p3.y) ? (p2.y) : (p3 .y))) ? (p1.y) : (((p2.y) < (p3.y) ? (p2.y) : (p3.y))))) ? (p0.y) : (((p1.y) < (((p2.y) < (p3.y) ? (p2.y) : (p3.y ))) ? (p1.y) : (((p2.y) < (p3.y) ? (p2.y) : (p3.y)))))); |
964 | bbox->yMax = MAX(p0.y, MAX(p1.y, MAX(p2.y, p3.y)))((p0.y) > (((p1.y) > (((p2.y) > (p3.y) ? (p2.y) : (p3 .y))) ? (p1.y) : (((p2.y) > (p3.y) ? (p2.y) : (p3.y))))) ? (p0.y) : (((p1.y) > (((p2.y) > (p3.y) ? (p2.y) : (p3.y ))) ? (p1.y) : (((p2.y) > (p3.y) ? (p2.y) : (p3.y)))))); |
965 | return 0; /* Successful */ |
966 | } |
967 | return -1; |
968 | } |
969 | |
970 | static FT_Error |
971 | FT_Do_SBit_Metrics( FT_Face ft_face, FT_Size ft_size, FT_ULong strike_index, |
972 | FT_UShort glyph_index, FT_Glyph_Metrics *metrics_return, |
973 | int *sbitchk_incomplete_but_exist ) |
974 | { |
975 | #if 1 |
976 | if ( strike_index != 0xFFFFU && ft_face->available_sizes != NULL((void*)0) ) |
977 | { |
978 | FT_Error error; |
979 | FT_Bitmap_Size* sz = &ft_face->available_sizes[strike_index]; |
980 | |
981 | error = FT_Set_Pixel_Sizes( ft_face, sz->x_ppem/64, sz->y_ppem/64 ); |
982 | if ( !error ) |
983 | { |
984 | error = FT_Load_Glyph( ft_face, glyph_index, FT_LOAD_SBITS_ONLY0x4000 ); |
985 | if ( !error ) |
986 | { |
987 | if ( metrics_return != NULL((void*)0) ) |
988 | *metrics_return = ft_face->glyph->metrics; |
989 | |
990 | return 0; |
991 | } |
992 | } |
993 | } |
994 | return -1; |
995 | #elif (FREETYPE_VERSION(2 * 1000000 + 4 * 1000 + 4) >= 2001008) |
996 | SFNT_Service sfnt; |
997 | TT_Face face; |
998 | FT_Error error; |
999 | FT_Stream stream; |
1000 | TT_SBit_Strike strike; |
1001 | TT_SBit_Range range; |
1002 | TT_SBit_MetricsRec elem_metrics; |
1003 | FT_ULong ebdt_pos; |
1004 | FT_ULong glyph_offset; |
1005 | ; |
1006 | |
1007 | if ( ! FT_IS_SFNT( ft_face )( ft_face->face_flags & ( 1L << 3 ) ) ) |
1008 | { |
1009 | error=-1; |
1010 | goto Exit; |
1011 | } |
1012 | |
1013 | face = (TT_Face)ft_face; |
1014 | sfnt = (SFNT_Service)face->sfnt; |
1015 | |
1016 | if (strike_index != 0xFFFFU && sfnt && sfnt->find_sbit_image && |
1017 | sfnt->load_sbits) { |
1018 | /* Check whether there is a glyph sbit for the current index */ |
1019 | error = sfnt->find_sbit_image( face, glyph_index, strike_index, |
1020 | &range, &strike, &glyph_offset ); |
1021 | } |
1022 | else error=-1; |
1023 | if ( error ) goto Exit; |
1024 | |
1025 | if ( metrics_return == NULL((void*)0) ) goto Exit; |
1026 | |
1027 | stream = face->root.stream; |
1028 | |
1029 | /* now, find the location of the `EBDT' table in */ |
1030 | /* the font file */ |
1031 | error = face->goto_table( face, TTAG_EBDT(FT_Tag) ( ( (FT_ULong)'E' << 24 ) | ( (FT_ULong)'B' << 16 ) | ( (FT_ULong)'D' << 8 ) | (FT_ULong)'T' ), stream, 0 ); |
1032 | if ( error ) |
1033 | error = face->goto_table( face, TTAG_bdat(FT_Tag) ( ( (FT_ULong)'b' << 24 ) | ( (FT_ULong)'d' << 16 ) | ( (FT_ULong)'a' << 8 ) | (FT_ULong)'t' ), stream, 0 ); |
1034 | if (error) |
1035 | goto Exit; |
1036 | |
1037 | ebdt_pos = FT_STREAM_POS(); |
1038 | |
1039 | /* place stream at beginning of glyph data and read metrics */ |
1040 | if ( FT_STREAM_SEEK( ebdt_pos + glyph_offset ) ) |
1041 | goto Exit; |
1042 | |
1043 | error = sfnt->load_sbit_metrics( stream, range, &elem_metrics ); |
1044 | if ( error ) |
1045 | goto Exit; |
1046 | |
1047 | metrics_return->width = (FT_Pos)elem_metrics.width << 6; |
1048 | metrics_return->height = (FT_Pos)elem_metrics.height << 6; |
1049 | |
1050 | metrics_return->horiBearingX = (FT_Pos)elem_metrics.horiBearingX << 6; |
1051 | metrics_return->horiBearingY = (FT_Pos)elem_metrics.horiBearingY << 6; |
1052 | metrics_return->horiAdvance = (FT_Pos)elem_metrics.horiAdvance << 6; |
1053 | |
1054 | metrics_return->vertBearingX = (FT_Pos)elem_metrics.vertBearingX << 6; |
1055 | metrics_return->vertBearingY = (FT_Pos)elem_metrics.vertBearingY << 6; |
1056 | metrics_return->vertAdvance = (FT_Pos)elem_metrics.vertAdvance << 6; |
1057 | |
1058 | Exit: |
1059 | return error; |
1060 | #else /* if (FREETYPE_VERSION < 2001008) */ |
1061 | TT_Face face; |
1062 | SFNT_Service sfnt; |
1063 | if ( ! FT_IS_SFNT( ft_face )( ft_face->face_flags & ( 1L << 3 ) ) ) return -1; |
1064 | face = (TT_Face)ft_face; |
1065 | sfnt = (SFNT_Service)face->sfnt; |
1066 | if ( strike_index != 0xFFFFU && sfnt->load_sbits ) { |
1067 | if ( sbitchk_incomplete_but_exist ) *sbitchk_incomplete_but_exist=1; |
1068 | } |
1069 | return -1; |
1070 | #endif |
1071 | } |
1072 | |
1073 | #pragma GCC diagnostic ignored "-Wbad-function-cast" |
1074 | |
1075 | int |
1076 | FreeTypeRasteriseGlyph(unsigned idx, int flags, CharInfoPtr tgp, |
1077 | FTInstancePtr instance, int hasMetrics) |
1078 | { |
1079 | FTFacePtr face; |
1080 | FT_BBox bbox; |
1081 | FT_Long outline_hori_advance, outline_vert_advance; |
1082 | FT_Glyph_Metrics sbit_metrics; |
1083 | FT_Glyph_Metrics *bitmap_metrics=NULL((void*)0), *metrics = NULL((void*)0); |
1084 | char *raster; |
1085 | int wd, ht, bpr; /* width, height, bytes per row */ |
1086 | int wd_actual, ht_actual; |
1087 | int ftrc, is_outline, correct, b_shift=0; |
1088 | int dx, dy; |
1089 | int leftSideBearing, rightSideBearing, characterWidth, rawCharacterWidth, |
1090 | ascent, descent; |
1091 | int sbitchk_incomplete_but_exist; |
1092 | double bbox_center_raw; |
1093 | |
1094 | face = instance->face; |
1095 | |
1096 | FreeTypeActivateInstance(instance); |
1097 | |
1098 | if(!tgp) return AllocError80; |
1099 | |
1100 | /* |
1101 | * PREPARE METRICS |
1102 | */ |
1103 | |
1104 | if(!hasMetrics) { |
1105 | if( instance->spacing == FT_CHARCELL2 || flags & FT_GET_DUMMY0x04 ){ |
1106 | memcpy((char*)&tgp->metrics,__builtin___memcpy_chk ((char*)&tgp->metrics, (char*)instance ->charcellMetrics, sizeof(xCharInfo), __builtin_object_size ((char*)&tgp->metrics, 0)) |
1107 | (char*)instance->charcellMetrics,__builtin___memcpy_chk ((char*)&tgp->metrics, (char*)instance ->charcellMetrics, sizeof(xCharInfo), __builtin_object_size ((char*)&tgp->metrics, 0)) |
1108 | sizeof(xCharInfo))__builtin___memcpy_chk ((char*)&tgp->metrics, (char*)instance ->charcellMetrics, sizeof(xCharInfo), __builtin_object_size ((char*)&tgp->metrics, 0)); |
1109 | } |
1110 | else if( flags & FT_FORCE_CONSTANT_SPACING0x08 ) { |
1111 | memcpy((char*)&tgp->metrics,__builtin___memcpy_chk ((char*)&tgp->metrics, (char*)instance ->forceConstantMetrics, sizeof(xCharInfo), __builtin_object_size ((char*)&tgp->metrics, 0)) |
1112 | (char*)instance->forceConstantMetrics,__builtin___memcpy_chk ((char*)&tgp->metrics, (char*)instance ->forceConstantMetrics, sizeof(xCharInfo), __builtin_object_size ((char*)&tgp->metrics, 0)) |
1113 | sizeof(xCharInfo))__builtin___memcpy_chk ((char*)&tgp->metrics, (char*)instance ->forceConstantMetrics, sizeof(xCharInfo), __builtin_object_size ((char*)&tgp->metrics, 0)); |
1114 | } |
1115 | /* mono or prop. */ |
1116 | else{ |
1117 | int new_width; |
1118 | double ratio; |
1119 | |
1120 | sbitchk_incomplete_but_exist=0; |
1121 | if( ! (instance->load_flags & FT_LOAD_NO_BITMAP0x8) ) { |
1122 | if( FT_Do_SBit_Metrics(face->face,instance->size,instance->strike_index, |
1123 | idx,&sbit_metrics,&sbitchk_incomplete_but_exist)==0 ) { |
1124 | bitmap_metrics = &sbit_metrics; |
1125 | } |
1126 | } |
1127 | if( bitmap_metrics == NULL((void*)0) ) { |
1128 | if ( sbitchk_incomplete_but_exist==0 && (instance->ttcap.flags & TTCAP_IS_VERY_LAZY0x0010) ) { |
1129 | if( ft_get_very_lazy_bbox( idx, face->face, instance->size, |
1130 | face->num_hmetrics, |
1131 | instance->ttcap.vl_slant, |
1132 | &instance->transformation.matrix, |
1133 | &bbox, &outline_hori_advance, |
1134 | &outline_vert_advance ) == 0 ) { |
1135 | goto bbox_ok; /* skip exact calculation */ |
1136 | } |
1137 | } |
1138 | ftrc = FT_Load_Glyph(instance->face->face, idx, |
1139 | instance->load_flags); |
1140 | if(ftrc != 0) return FTtoXReturnCode(ftrc); |
1141 | metrics = &face->face->glyph->metrics; |
1142 | if( face->face->glyph->format == FT_GLYPH_FORMAT_BITMAP ) { |
1143 | bitmap_metrics = metrics; |
1144 | } |
1145 | } |
1146 | |
1147 | if( bitmap_metrics ) { |
1148 | FT_Pos factor; |
1149 | |
1150 | leftSideBearing = bitmap_metrics->horiBearingX / 64; |
1151 | rightSideBearing = (bitmap_metrics->width + bitmap_metrics->horiBearingX) / 64; |
1152 | bbox_center_raw = (2.0 * bitmap_metrics->horiBearingX + bitmap_metrics->width)/2.0/64.0; |
1153 | characterWidth = (int)floor(bitmap_metrics->horiAdvance |
1154 | * instance->ttcap.scaleBBoxWidth / 64.0 + .5); |
1155 | ascent = bitmap_metrics->horiBearingY / 64; |
1156 | descent = (bitmap_metrics->height - bitmap_metrics->horiBearingY) / 64 ; |
1157 | /* */ |
1158 | new_width = characterWidth; |
1159 | if( instance->ttcap.flags & TTCAP_DOUBLE_STRIKE_CORRECT_B_BOX_WIDTH0x0008 ) |
1160 | new_width += instance->ttcap.doubleStrikeShift; |
1161 | new_width += instance->ttcap.adjustBBoxWidthByPixel; |
1162 | ratio = (double)new_width/characterWidth; |
1163 | characterWidth = new_width; |
1164 | /* adjustment by pixel unit */ |
1165 | if( instance->ttcap.flags & TTCAP_DOUBLE_STRIKE0x0001 ) |
1166 | rightSideBearing += instance->ttcap.doubleStrikeShift; |
1167 | rightSideBearing += instance->ttcap.adjustRightSideBearingByPixel; |
1168 | leftSideBearing += instance->ttcap.adjustLeftSideBearingByPixel; |
1169 | rightSideBearing += instance->ttcap.rsbShiftOfBitmapAutoItalic; |
1170 | leftSideBearing += instance->ttcap.lsbShiftOfBitmapAutoItalic; |
1171 | /* */ |
1172 | factor = bitmap_metrics->horiAdvance; |
1173 | rawCharacterWidth = (unsigned short)(short)(floor(1000 * factor |
1174 | * instance->ttcap.scaleBBoxWidth * ratio / 64. |
1175 | / instance->pixel_size)); |
1176 | } |
1177 | else { |
1178 | /* Outline */ |
1179 | #ifdef USE_GET_CBOX |
1180 | /* Very fast?? */ |
1181 | FT_Outline_Get_CBox(&face->face->glyph->outline, &bbox); |
1182 | ftrc=0; /* FT_Outline_Get_CBox returns nothing. */ |
1183 | #else |
1184 | /* Calculate exact metrics */ |
1185 | ftrc=FT_Outline_Get_BBox(&face->face->glyph->outline, &bbox); |
1186 | #endif |
1187 | if( ftrc != 0 ) return FTtoXReturnCode(ftrc); |
1188 | outline_hori_advance = metrics->horiAdvance; |
1189 | outline_vert_advance = metrics->vertAdvance; |
1190 | bbox_ok: |
1191 | descent = CEIL64(-bbox.yMin - 32)(((-bbox.yMin - 32) + 64 - 1) & -64) / 64; |
1192 | leftSideBearing = FLOOR64(bbox.xMin + 32)((bbox.xMin + 32) & -64) / 64; |
1193 | ascent = FLOOR64(bbox.yMax + 32)((bbox.yMax + 32) & -64) / 64; |
1194 | rightSideBearing = FLOOR64(bbox.xMax + 32)((bbox.xMax + 32) & -64) / 64; |
1195 | bbox_center_raw = (double)(bbox.xMax + bbox.xMin)/2.0/64.; |
1196 | if ( instance->pixel_width_unit_x != 0 ) |
1197 | characterWidth = |
1198 | (int)floor( outline_hori_advance |
1199 | * instance->ttcap.scaleBBoxWidth |
1200 | * instance->pixel_width_unit_x / 64. + .5); |
1201 | else { |
1202 | characterWidth = |
1203 | (int)floor( outline_vert_advance |
1204 | * instance->ttcap.scaleBBoxHeight |
1205 | * instance->pixel_width_unit_y / 64. + .5); |
1206 | if(characterWidth <= 0) |
1207 | characterWidth = instance->charcellMetrics->characterWidth; |
1208 | } |
1209 | /* */ |
1210 | new_width = characterWidth; |
1211 | if( instance->ttcap.flags & TTCAP_DOUBLE_STRIKE_CORRECT_B_BOX_WIDTH0x0008 ) |
1212 | new_width += instance->ttcap.doubleStrikeShift; |
1213 | new_width += instance->ttcap.adjustBBoxWidthByPixel; |
1214 | ratio = (double)new_width/characterWidth; |
1215 | characterWidth = new_width; |
1216 | if ( instance->pixel_width_unit_x != 0 ) |
1217 | rawCharacterWidth = |
1218 | (unsigned short)(short)(floor(1000 * outline_hori_advance |
1219 | * instance->ttcap.scaleBBoxWidth * ratio |
1220 | * instance->pixel_width_unit_x / 64.)); |
1221 | else { |
1222 | rawCharacterWidth = |
1223 | (unsigned short)(short)(floor(1000 * outline_vert_advance |
1224 | * instance->ttcap.scaleBBoxHeight * ratio |
1225 | * instance->pixel_width_unit_y / 64.)); |
1226 | if(rawCharacterWidth <= 0) |
1227 | rawCharacterWidth = instance->charcellMetrics->attributes; |
1228 | } |
1229 | /* adjustment by pixel unit */ |
1230 | if( instance->ttcap.flags & TTCAP_DOUBLE_STRIKE0x0001 ) |
1231 | rightSideBearing += instance->ttcap.doubleStrikeShift; |
1232 | rightSideBearing += instance->ttcap.adjustRightSideBearingByPixel; |
1233 | leftSideBearing += instance->ttcap.adjustLeftSideBearingByPixel; |
1234 | } |
1235 | |
1236 | /* Set the glyph metrics. */ |
1237 | tgp->metrics.attributes = (unsigned short)((short)rawCharacterWidth); |
1238 | tgp->metrics.leftSideBearing = leftSideBearing; |
1239 | tgp->metrics.rightSideBearing = rightSideBearing; |
1240 | tgp->metrics.characterWidth = characterWidth; |
1241 | tgp->metrics.ascent = ascent; |
1242 | tgp->metrics.descent = descent; |
1243 | /* Update the width to match the width of the font */ |
1244 | if( instance->spacing != FT_PROPORTIONAL0 ) |
1245 | tgp->metrics.characterWidth = instance->charcellMetrics->characterWidth; |
1246 | if(instance->ttcap.flags & TTCAP_MONO_CENTER0x0800){ |
1247 | b_shift = (int)floor((instance->advance/2.0-bbox_center_raw) + .5); |
1248 | tgp->metrics.leftSideBearing += b_shift; |
1249 | tgp->metrics.rightSideBearing += b_shift; |
1250 | } |
1251 | } |
1252 | } |
1253 | |
1254 | if( flags & FT_GET_GLYPH_METRICS_ONLY0x02 ) return Successful85; |
1255 | |
1256 | /* |
1257 | * CHECK THE NECESSITY OF BITMAP POSITION'S CORRECTION |
1258 | */ |
1259 | |
1260 | correct=0; |
1261 | if( instance->spacing == FT_CHARCELL2 ) correct=1; |
1262 | else if( flags & FT_FORCE_CONSTANT_SPACING0x08 ) correct=1; |
1263 | else{ |
1264 | int sbit_available=0; |
1265 | sbitchk_incomplete_but_exist=0; |
1266 | if( !(instance->load_flags & FT_LOAD_NO_BITMAP0x8) ) { |
1267 | if( FT_Do_SBit_Metrics(face->face,instance->size, |
1268 | instance->strike_index,idx,NULL((void*)0), |
1269 | &sbitchk_incomplete_but_exist)==0 ) { |
1270 | sbit_available=1; |
1271 | } |
1272 | } |
1273 | if( sbit_available == 0 ) { |
1274 | if ( sbitchk_incomplete_but_exist==0 && (instance->ttcap.flags & TTCAP_IS_VERY_LAZY0x0010) ) { |
1275 | if( FT_IS_SFNT(face->face)( face->face->face_flags & ( 1L << 3 ) ) ) correct=1; |
1276 | } |
1277 | } |
1278 | } |
1279 | |
1280 | /* |
1281 | * RENDER AND ALLOCATE BUFFER |
1282 | */ |
1283 | |
1284 | if( flags & FT_GET_DUMMY0x04 ) is_outline = -1; |
1285 | else { |
1286 | if( !metrics ) { |
1287 | ftrc = FT_Load_Glyph(instance->face->face, idx, |
1288 | instance->load_flags); |
1289 | metrics = &face->face->glyph->metrics; |
1290 | |
1291 | if(ftrc != 0) return FTtoXReturnCode(ftrc); |
1292 | } |
1293 | |
1294 | if( face->face->glyph->format != FT_GLYPH_FORMAT_BITMAP ) { |
1295 | #ifdef USE_GET_CBOX |
1296 | FT_Outline_Get_CBox(&face->face->glyph->outline, &bbox); |
1297 | ftrc = 0; |
1298 | #else |
1299 | ftrc = FT_Outline_Get_BBox(&face->face->glyph->outline, &bbox); |
1300 | #endif |
1301 | if( ftrc != 0 ) return FTtoXReturnCode(ftrc); |
1302 | bbox.yMin = FLOOR64( bbox.yMin )((bbox.yMin) & -64); |
1303 | bbox.yMax = CEIL64 ( bbox.yMax )(((bbox.yMax) + 64 - 1) & -64); |
1304 | ht_actual = ( bbox.yMax - bbox.yMin ) >> 6; |
1305 | /* FreeType think a glyph with 0 height control box is invalid. |
1306 | * So just let X to create a empty bitmap instead. */ |
1307 | if ( ht_actual == 0 ) |
1308 | is_outline = -1; |
1309 | else |
1310 | { |
1311 | ftrc = FT_Render_Glyph(face->face->glyph,FT_RENDER_MODE_MONO); |
1312 | if( ftrc != 0 ) return FTtoXReturnCode(ftrc); |
1313 | is_outline = 1; |
1314 | } |
1315 | } |
1316 | else{ |
1317 | is_outline=0; |
1318 | } |
1319 | } |
1320 | |
1321 | /* Spacial case */ |
1322 | if( (instance->ttcap.flags & TTCAP_MONO_CENTER0x0800) && hasMetrics ) { |
1323 | if( is_outline == 1 ){ |
1324 | if( correct ){ |
1325 | if( ft_get_very_lazy_bbox( idx, face->face, instance->size, |
1326 | face->num_hmetrics, |
1327 | instance->ttcap.vl_slant, |
1328 | &instance->transformation.matrix, |
1329 | &bbox, &outline_hori_advance, |
1330 | &outline_vert_advance ) != 0 ){ |
1331 | is_outline = -1; /* <- error */ |
1332 | } |
1333 | } |
1334 | else { |
1335 | #ifdef USE_GET_CBOX |
1336 | FT_Outline_Get_CBox(&face->face->glyph->outline, &bbox); |
1337 | ftrc=0; |
1338 | #else |
1339 | ftrc=FT_Outline_Get_BBox(&face->face->glyph->outline, &bbox); |
1340 | #endif |
1341 | if( ftrc != 0 ) return FTtoXReturnCode(ftrc); |
1342 | } |
1343 | bbox_center_raw = (double)(bbox.xMax + bbox.xMin)/2.0/64.; |
1344 | } |
1345 | else if( is_outline == 0 ) |
1346 | bbox_center_raw = (2.0 * metrics->horiBearingX + metrics->width)/2.0/64.0; |
1347 | else |
1348 | bbox_center_raw = 0; |
1349 | b_shift = (int)floor((instance->advance/2.0-bbox_center_raw) + .5); |
1350 | } |
1351 | |
1352 | wd_actual = tgp->metrics.rightSideBearing - tgp->metrics.leftSideBearing; |
1353 | ht_actual = tgp->metrics.ascent + tgp->metrics.descent; |
1354 | |
1355 | /* The X convention is to consider a character with an empty |
1356 | * bounding box as undefined. This convention is broken. */ |
1357 | |
1358 | if(wd_actual <= 0) wd = 1; |
1359 | else wd=wd_actual; |
1360 | if(ht_actual <= 0) ht = 1; |
1361 | else ht=ht_actual; |
1362 | |
1363 | bpr = (((wd + (instance->bmfmt.glyph<<3) - 1) >> 3) & |
1364 | -instance->bmfmt.glyph); |
1365 | raster = calloc(1, ht * bpr); |
1366 | if(raster == NULL((void*)0)) |
1367 | return AllocError80; |
1368 | |
1369 | tgp->bits = raster; |
1370 | |
1371 | /* If FT_GET_DUMMY is set, we return white space. */ |
1372 | if ( is_outline == -1 ) return Successful85; |
1373 | |
1374 | if ( wd_actual <= 0 || ht_actual <= 0 ) return Successful85; |
1375 | |
1376 | /* |
1377 | * CALCULATE OFFSET, dx AND dy. |
1378 | */ |
1379 | |
1380 | dx = face->face->glyph->bitmap_left - tgp->metrics.leftSideBearing; |
1381 | dy = tgp->metrics.ascent - face->face->glyph->bitmap_top; |
1382 | |
1383 | if(instance->ttcap.flags & TTCAP_MONO_CENTER0x0800) |
1384 | dx += b_shift; |
1385 | |
1386 | /* To prevent chipped bitmap, we correct dx and dy if needed. */ |
1387 | if( correct && is_outline==1 ){ |
1388 | int lsb, rsb, asc, des; |
1389 | int chip_left,chip_right,chip_top,chip_bot; |
1390 | #ifdef USE_GET_CBOX |
1391 | FT_Outline_Get_CBox(&face->face->glyph->outline, &bbox); |
1392 | ftrc=0; |
1393 | #else |
1394 | ftrc=FT_Outline_Get_BBox(&face->face->glyph->outline, &bbox); |
1395 | #endif |
1396 | if( ftrc != 0 ) return FTtoXReturnCode(ftrc); |
1397 | des = CEIL64(-bbox.yMin - 32)(((-bbox.yMin - 32) + 64 - 1) & -64) / 64; |
1398 | lsb = FLOOR64(bbox.xMin + 32)((bbox.xMin + 32) & -64) / 64; |
1399 | asc = FLOOR64(bbox.yMax + 32)((bbox.yMax + 32) & -64) / 64; |
1400 | rsb = FLOOR64(bbox.xMax + 32)((bbox.xMax + 32) & -64) / 64; |
1401 | rightSideBearing = tgp->metrics.rightSideBearing; |
1402 | leftSideBearing = tgp->metrics.leftSideBearing; |
1403 | if( instance->ttcap.flags & TTCAP_DOUBLE_STRIKE0x0001 ) |
1404 | rightSideBearing -= instance->ttcap.doubleStrikeShift; |
1405 | /* special case */ |
1406 | if(instance->ttcap.flags & TTCAP_MONO_CENTER0x0800){ |
1407 | leftSideBearing -= b_shift; |
1408 | rightSideBearing -= b_shift; |
1409 | } |
1410 | chip_left = lsb - leftSideBearing; |
1411 | chip_right = rightSideBearing - rsb; |
1412 | if( flags & FT_FORCE_CONSTANT_SPACING0x08 ){ |
1413 | if( instance->ttcap.force_c_adjust_lsb_by_pixel != 0 || |
1414 | instance->ttcap.force_c_adjust_rsb_by_pixel != 0 ){ |
1415 | chip_left=0; |
1416 | chip_right=0; |
1417 | } |
1418 | } |
1419 | else{ |
1420 | if( instance->ttcap.adjustRightSideBearingByPixel != 0 || |
1421 | instance->ttcap.adjustLeftSideBearingByPixel != 0 ){ |
1422 | chip_left=0; |
1423 | chip_right=0; |
1424 | } |
1425 | } |
1426 | chip_top = tgp->metrics.ascent - asc; |
1427 | chip_bot = tgp->metrics.descent - des; |
1428 | if( chip_left < 0 && 0 < chip_right ) dx++; |
1429 | else if( chip_right < 0 && 0 < chip_left ) dx--; |
1430 | if( chip_top < 0 && 0 < chip_bot ) dy++; |
1431 | else if( chip_bot < 0 && 0 < chip_top ) dy--; |
1432 | } |
1433 | |
1434 | /* |
1435 | * COPY RASTER |
1436 | */ |
1437 | |
1438 | { |
1439 | FT_Bitmap *bitmap; |
1440 | int i, j; |
1441 | unsigned char *current_raster; |
1442 | unsigned char *current_buffer; |
1443 | int mod_dx0,mod_dx1; |
1444 | int div_dx; |
1445 | bitmap = &face->face->glyph->bitmap; |
1446 | if( 0 <= dx ){ |
1447 | div_dx = dx / 8; |
1448 | mod_dx0 = dx % 8; |
1449 | mod_dx1 = 8-mod_dx0; |
1450 | } |
1451 | else{ |
1452 | div_dx = dx / 8 -1; |
1453 | mod_dx1 = -dx % 8; |
1454 | mod_dx0 = 8-mod_dx1; |
1455 | } |
1456 | for( i = MAX(0, dy)((0) > (dy) ? (0) : (dy)) ; i<ht ; i++ ){ |
1457 | int prev_jj,jj; |
1458 | if( bitmap->rows <= (unsigned) (i-dy) ) break; |
1459 | current_buffer=(unsigned char *)(bitmap->buffer+bitmap->pitch*(i-dy)); |
1460 | current_raster=(unsigned char *)(raster+i*bpr); |
1461 | j = MAX(0,div_dx)((0) > (div_dx) ? (0) : (div_dx)); |
1462 | jj = j-div_dx; |
1463 | prev_jj = jj-1; |
1464 | if( j<bpr ){ |
1465 | if( 0 <= prev_jj && prev_jj < bitmap->pitch ) |
1466 | current_raster[j]|=current_buffer[prev_jj]<<mod_dx1; |
1467 | if( 0 <= jj && jj < bitmap->pitch ){ |
1468 | current_raster[j]|=current_buffer[jj]>>mod_dx0; |
1469 | j++; prev_jj++; jj++; |
1470 | for( ; j<bpr ; j++,prev_jj++,jj++ ){ |
1471 | current_raster[j]|=current_buffer[prev_jj]<<mod_dx1; |
1472 | if( bitmap->pitch <= jj ) break; |
1473 | current_raster[j]|=current_buffer[jj]>>mod_dx0; |
1474 | } |
1475 | } |
1476 | } |
1477 | } |
1478 | } |
1479 | |
1480 | /* by TTCap */ |
1481 | if ( instance->ttcap.flags & TTCAP_DOUBLE_STRIKE0x0001 ) { |
1482 | int i; |
1483 | for( i=0 ; i < instance->ttcap.doubleStrikeShift ; i++ ) |
1484 | ft_make_up_bold_bitmap( raster, bpr, ht, instance->ttcap.flags); |
1485 | } |
1486 | if ( is_outline == 0 && |
1487 | ( instance->ttcap.lsbShiftOfBitmapAutoItalic != 0 || |
1488 | instance->ttcap.rsbShiftOfBitmapAutoItalic != 0 ) ) { |
1489 | ft_make_up_italic_bitmap( raster, bpr, ht, |
1490 | - instance->ttcap.lsbShiftOfBitmapAutoItalic |
1491 | + instance->ttcap.rsbShiftOfBitmapAutoItalic, |
1492 | instance->charcellMetrics->ascent |
1493 | + instance->charcellMetrics->descent, |
1494 | instance->charcellMetrics->ascent |
1495 | - tgp->metrics.ascent, |
1496 | instance->ttcap.autoItalic); |
1497 | } |
1498 | |
1499 | if(instance->bmfmt.bit == LSBFirst0) { |
1500 | BitOrderInvert((unsigned char*)(tgp->bits), ht*bpr); |
1501 | } |
1502 | |
1503 | if(instance->bmfmt.byte != instance->bmfmt.bit) { |
1504 | switch(instance->bmfmt.scan) { |
1505 | case 1: |
1506 | break; |
1507 | case 2: |
1508 | TwoByteSwap((unsigned char*)(tgp->bits), ht*bpr); |
1509 | break; |
1510 | case 4: |
1511 | FourByteSwap((unsigned char*)(tgp->bits), ht*bpr); |
1512 | break; |
1513 | default: |
1514 | ; |
1515 | } |
1516 | } |
1517 | |
1518 | return Successful85; |
1519 | } |
1520 | |
1521 | static void |
1522 | FreeTypeFreeFont(FTFontPtr font) |
1523 | { |
1524 | FreeTypeFreeInstance(font->instance); |
1525 | if(font->ranges) |
1526 | free(font->ranges); |
1527 | if(font->dummy_char.bits) |
1528 | free(font->dummy_char.bits); |
1529 | free(font); |
1530 | } |
1531 | |
1532 | /* Free a font. If freeProps is 0, don't free the properties. */ |
1533 | |
1534 | static void |
1535 | FreeTypeFreeXFont(FontPtr pFont, int freeProps) |
1536 | { |
1537 | FTFontPtr tf; |
1538 | |
1539 | if(pFont) { |
1540 | if((tf = (FTFontPtr)pFont->fontPrivate)) { |
1541 | FreeTypeFreeFont(tf); |
1542 | } |
1543 | if(freeProps && pFont->info.nprops>0) { |
1544 | free(pFont->info.isStringProp); |
1545 | free(pFont->info.props); |
1546 | } |
1547 | DestroyFontRec(pFont); |
1548 | } |
1549 | } |
1550 | |
1551 | |
1552 | /* Unload a font */ |
1553 | |
1554 | static void |
1555 | FreeTypeUnloadXFont(FontPtr pFont) |
1556 | { |
1557 | MUMBLE("Unloading\n"); |
1558 | FreeTypeFreeXFont(pFont, 1); |
1559 | } |
1560 | |
1561 | /* Add the font properties, including the Font name, the XLFD |
1562 | properties, some strings from the font, and various typographical |
1563 | data. We only provide data readily available in the tables in the |
1564 | font for now, altough FIGURE_WIDTH would be a good idea as it is |
1565 | used by Xaw. */ |
1566 | |
1567 | static int |
1568 | FreeTypeAddProperties(FTFontPtr font, FontScalablePtr vals, FontInfoPtr info, |
1569 | char *fontname, int rawAverageWidth, Bool font_properties) |
1570 | { |
1571 | int i, j, maxprops; |
1572 | char *sp, *ep, val[MAXFONTNAMELEN1024], *vp; |
1573 | FTFacePtr face; |
1574 | FTInstancePtr instance; |
1575 | FTNormalisedTransformationPtr trans; |
1576 | int upm; |
1577 | TT_OS2 *os2; |
1578 | TT_Postscript *post; |
1579 | PS_FontInfoRec t1info_rec, *t1info; |
1580 | int xlfdProps = 0; |
1581 | int ftrc; |
1582 | |
1583 | instance = font->instance; |
1584 | face = instance->face; |
1585 | trans = &instance->transformation; |
1586 | upm = face->face->units_per_EM; |
1587 | if(upm == 0) { |
1588 | /* Work around FreeType bug */ |
1589 | upm = WORK_AROUND_UPM2048; |
1590 | } |
1591 | |
1592 | os2 = FT_Get_Sfnt_Table(face->face, ft_sfnt_os2); |
1593 | post = FT_Get_Sfnt_Table(face->face, ft_sfnt_post); |
1594 | ftrc = FT_Get_PS_Font_Info(face->face, &t1info_rec); |
1595 | if(ftrc == 0) |
1596 | t1info = &t1info_rec; |
1597 | else |
1598 | t1info = NULL((void*)0); |
1599 | |
1600 | if(t1info) { |
1601 | os2 = NULL((void*)0); |
1602 | post = NULL((void*)0); |
1603 | } |
1604 | |
1605 | info->nprops = 0; /* in case we abort */ |
1606 | |
1607 | strcpy(val, fontname)__builtin___strcpy_chk (val, fontname, __builtin_object_size ( val, 2 > 1 ? 1 : 0)); |
1608 | if(FontParseXLFDName(val, vals, FONT_XLFD_REPLACE_VALUE3)) { |
1609 | xlfdProps = 1; |
1610 | } else { |
1611 | MUMBLE("Couldn't parse XLFD\n"); |
1612 | xlfdProps = 0; |
1613 | } |
1614 | |
1615 | maxprops= |
1616 | 1 + /* NAME */ |
1617 | (xlfdProps ? 14 : 0) + /* from XLFD */ |
1618 | 5 + |
1619 | ( !face->bitmap ? 3 : 0 ) + /* raw_av,raw_asc,raw_dec */ |
1620 | ( font_properties ? 2 : 0 ) + /* asc,dec */ |
1621 | ( (font_properties && os2) ? 6 : 0 ) + |
1622 | ( (font_properties && (post || t1info)) ? 3 : 0 ) + |
1623 | 2; /* type */ |
1624 | |
1625 | info->props = malloc(maxprops * sizeof(FontPropRec)); |
1626 | if(info->props == NULL((void*)0)) |
1627 | return AllocError80; |
1628 | |
1629 | info->isStringProp = malloc(maxprops); |
1630 | if(info->isStringProp == NULL((void*)0)) { |
1631 | free(info->props); |
1632 | return AllocError80; |
1633 | } |
1634 | |
1635 | memset((char *)info->isStringProp, 0, maxprops)__builtin___memset_chk ((char *)info->isStringProp, 0, maxprops , __builtin_object_size ((char *)info->isStringProp, 0)); |
1636 | |
1637 | i = 0; |
1638 | |
1639 | info->props[i].name = MakeAtom__libxfont__MakeAtom("FONT", 4, TRUE1); |
1640 | info->props[i].value = MakeAtom__libxfont__MakeAtom(val, strlen(val), TRUE1); |
1641 | info->isStringProp[i] = 1; |
1642 | i++; |
1643 | |
1644 | if(*val && *(sp = val + 1)) { |
1645 | for (j = 0, sp = val + 1; j < 14; j++) { |
1646 | if (j == 13) |
1647 | /* Handle the case of the final field containing a subset |
1648 | specification. */ |
1649 | for (ep = sp; *ep && *ep != '['; ep++); |
1650 | else |
1651 | for (ep = sp; *ep && *ep != '-'; ep++); |
1652 | |
1653 | info->props[i].name = |
1654 | MakeAtom__libxfont__MakeAtom(xlfd_props[j], strlen(xlfd_props[j]), TRUE1); |
1655 | |
1656 | switch(j) { |
1657 | case 6: /* pixel size */ |
1658 | info->props[i].value = |
1659 | (int)(fabs(vals->pixel_matrix[3]) + 0.5); |
1660 | i++; |
1661 | break; |
1662 | case 7: /* point size */ |
1663 | info->props[i].value = |
1664 | (int)(fabs(vals->point_matrix[3])*10.0 + 0.5); |
1665 | i++; |
1666 | break; |
1667 | case 8: /* resolution x */ |
1668 | info->props[i].value = vals->x; |
1669 | i++; |
1670 | break; |
1671 | case 9: /* resolution y */ |
1672 | info->props[i].value = vals->y; |
1673 | i++; |
1674 | break; |
1675 | case 11: /* average width */ |
1676 | info->props[i].value = vals->width; |
1677 | i++; |
1678 | break; |
1679 | default: /* a string */ |
1680 | info->props[i].value = MakeAtom__libxfont__MakeAtom(sp, ep - sp, TRUE1); |
1681 | info->isStringProp[i] = 1; |
1682 | i++; |
1683 | } |
1684 | sp = ++ep; |
1685 | } |
1686 | } |
1687 | |
1688 | info->props[i].name = MakeAtom__libxfont__MakeAtom("RAW_PIXEL_SIZE", 14, TRUE1); |
1689 | info->props[i].value = 1000; |
1690 | i++; |
1691 | |
1692 | info->props[i].name = MakeAtom__libxfont__MakeAtom("RAW_POINT_SIZE", 14, TRUE1); |
1693 | info->props[i].value = (long)(72270.0 / (double)vals->y + .5); |
1694 | i++; |
1695 | |
1696 | if(!face->bitmap) { |
1697 | info->props[i].name = MakeAtom__libxfont__MakeAtom("RAW_AVERAGE_WIDTH", 17, TRUE1); |
1698 | info->props[i].value = rawAverageWidth; |
1699 | i++; |
1700 | } |
1701 | |
1702 | if ( font_properties ) { |
1703 | info->props[i].name = MakeAtom__libxfont__MakeAtom("FONT_ASCENT", 11, TRUE1); |
1704 | info->props[i].value = info->fontAscent; |
1705 | i++; |
1706 | } |
1707 | |
1708 | if(!face->bitmap) { |
1709 | info->props[i].name = MakeAtom__libxfont__MakeAtom("RAW_ASCENT", 10, TRUE1); |
1710 | info->props[i].value = |
1711 | ((double)face->face->ascender/(double)upm*1000.0); |
1712 | i++; |
1713 | } |
1714 | |
1715 | if ( font_properties ) { |
1716 | info->props[i].name = MakeAtom__libxfont__MakeAtom("FONT_DESCENT", 12, TRUE1); |
1717 | info->props[i].value = info->fontDescent; |
1718 | i++; |
1719 | } |
1720 | |
1721 | if(!face->bitmap) { |
1722 | info->props[i].name = MakeAtom__libxfont__MakeAtom("RAW_DESCENT", 11, TRUE1); |
1723 | info->props[i].value = |
1724 | -((double)face->face->descender/(double)upm*1000.0); |
1725 | i++; |
1726 | } |
1727 | |
1728 | j = FTGetEnglishName(face->face, TT_NAME_ID_COPYRIGHT0, |
1729 | val, MAXFONTNAMELEN1024); |
1730 | vp = val; |
1731 | if (j < 0) { |
1732 | if(t1info && t1info->notice) { |
1733 | vp = t1info->notice; |
1734 | j = strlen(vp); |
1735 | } |
1736 | } |
1737 | if(j > 0) { |
1738 | info->props[i].name = MakeAtom__libxfont__MakeAtom("COPYRIGHT", 9, TRUE1); |
1739 | info->props[i].value = MakeAtom__libxfont__MakeAtom(vp, j, TRUE1); |
1740 | info->isStringProp[i] = 1; |
1741 | i++; |
1742 | } |
1743 | |
1744 | j = FTGetEnglishName(face->face, TT_NAME_ID_FULL_NAME4, |
1745 | val, MAXFONTNAMELEN1024); |
1746 | vp = val; |
1747 | if (j < 0) { |
1748 | if(t1info && t1info->full_name) { |
1749 | vp = t1info->full_name; |
1750 | j = strlen(vp); |
1751 | } |
1752 | } |
1753 | if(j > 0) { |
1754 | info->props[i].name = MakeAtom__libxfont__MakeAtom("FACE_NAME", 9, TRUE1); |
1755 | info->props[i].value = MakeAtom__libxfont__MakeAtom(vp, j, TRUE1); |
1756 | info->isStringProp[i] = 1; |
1757 | i++; |
1758 | } |
1759 | |
1760 | vp = (char *)FT_Get_Postscript_Name(face->face); |
1761 | if (vp) { |
1762 | j = strlen(vp); |
1763 | } else { |
1764 | j = -1; |
1765 | } |
1766 | if (j < 0) { |
1767 | j = FTGetEnglishName(face->face, TT_NAME_ID_PS_NAME6, |
1768 | val, MAXFONTNAMELEN1024); |
1769 | vp = val; |
1770 | } |
1771 | if (j < 0) { |
1772 | if(t1info && t1info->full_name) { |
1773 | vp = t1info->full_name; |
1774 | j = strlen(vp); |
1775 | } |
1776 | } |
1777 | if(j > 0) { |
1778 | info->props[i].name = MakeAtom__libxfont__MakeAtom("_ADOBE_POSTSCRIPT_FONTNAME", 26, TRUE1); |
1779 | info->props[i].value = MakeAtom__libxfont__MakeAtom(vp, j, TRUE1); |
1780 | info->isStringProp[i] = 1; |
1781 | i++; |
1782 | } |
1783 | |
1784 | /* These macros handle the case of a diagonal matrix. They convert |
1785 | FUnits into pixels. */ |
1786 | #define TRANSFORM_FUNITS_X(xval) \ |
1787 | ((int) \ |
1788 | floor( ((double)(xval)/(double)upm) * (double)vals->pixel_matrix[0] + 0.5 ) ) |
1789 | |
1790 | #define TRANSFORM_FUNITS_Y(yval) \ |
1791 | ((int) \ |
1792 | floor( ((double)(yval)/(double)upm) * (double)vals->pixel_matrix[3] + 0.5 ) ) |
1793 | |
1794 | /* In what follows, we assume the matrix is diagonal. In the rare |
1795 | case when it is not, the values will be somewhat wrong. */ |
1796 | |
1797 | if( font_properties && os2 ) { |
1798 | info->props[i].name = MakeAtom__libxfont__MakeAtom("SUBSCRIPT_SIZE",14,TRUE1); |
1799 | info->props[i].value = |
1800 | TRANSFORM_FUNITS_Y(os2->ySubscriptYSize); |
1801 | i++; |
1802 | info->props[i].name = MakeAtom__libxfont__MakeAtom("SUBSCRIPT_X",11,TRUE1); |
1803 | info->props[i].value = |
1804 | TRANSFORM_FUNITS_X(os2->ySubscriptXOffset); |
1805 | i++; |
1806 | info->props[i].name = MakeAtom__libxfont__MakeAtom("SUBSCRIPT_Y",11,TRUE1); |
1807 | info->props[i].value = |
1808 | TRANSFORM_FUNITS_Y(os2->ySubscriptYOffset); |
1809 | i++; |
1810 | info->props[i].name = MakeAtom__libxfont__MakeAtom("SUPERSCRIPT_SIZE",16,TRUE1); |
1811 | info->props[i].value = |
1812 | TRANSFORM_FUNITS_Y(os2->ySuperscriptYSize); |
1813 | i++; |
1814 | info->props[i].name = MakeAtom__libxfont__MakeAtom("SUPERSCRIPT_X",13,TRUE1); |
1815 | info->props[i].value = |
1816 | TRANSFORM_FUNITS_X(os2->ySuperscriptXOffset); |
1817 | i++; |
1818 | info->props[i].name = MakeAtom__libxfont__MakeAtom("SUPERSCRIPT_Y",13,TRUE1); |
1819 | info->props[i].value = |
1820 | TRANSFORM_FUNITS_Y(os2->ySuperscriptYOffset); |
1821 | i++; |
1822 | } |
1823 | |
1824 | if( font_properties && (post || t1info) ) { |
1825 | int underlinePosition, underlineThickness; |
1826 | |
1827 | /* Raw underlineposition counts upwards, |
1828 | but UNDERLINE_POSITION counts downwards. */ |
1829 | if(post) { |
1830 | underlinePosition = TRANSFORM_FUNITS_Y(-post->underlinePosition); |
1831 | underlineThickness = TRANSFORM_FUNITS_Y(post->underlineThickness); |
1832 | } else { |
1833 | underlinePosition = |
1834 | TRANSFORM_FUNITS_Y(-t1info->underline_position); |
1835 | underlineThickness = |
1836 | TRANSFORM_FUNITS_Y(t1info->underline_thickness); |
1837 | } |
1838 | if(underlineThickness <= 0) |
1839 | underlineThickness = 1; |
1840 | |
1841 | info->props[i].name = MakeAtom__libxfont__MakeAtom("UNDERLINE_THICKNESS",19,TRUE1); |
1842 | info->props[i].value = underlineThickness; |
1843 | i++; |
1844 | |
1845 | info->props[i].name = MakeAtom__libxfont__MakeAtom("UNDERLINE_POSITION",18,TRUE1); |
1846 | |
1847 | info->props[i].value = underlinePosition; |
1848 | |
1849 | i++; |
1850 | |
1851 | /* The italic angle is often unreliable for Type 1 fonts */ |
1852 | if(post && trans->matrix.xx == trans->matrix.yy) { |
1853 | info->props[i].name = MakeAtom__libxfont__MakeAtom("ITALIC_ANGLE",12,TRUE1); |
1854 | info->props[i].value = |
1855 | /* Convert from TT_Fixed to |
1856 | 64th of a degree counterclockwise from 3 o'clock */ |
1857 | 90*64+(post->italicAngle >> 10); |
1858 | i++; |
1859 | } |
1860 | #undef TRANSFORM_FUNITS_X |
1861 | #undef TRANSFORM_FUNITS_Y |
1862 | } |
1863 | |
1864 | info->props[i].name = MakeAtom__libxfont__MakeAtom("FONT_TYPE", 9, TRUE1); |
1865 | vp = (char *)FT_Get_X11_Font_Format(face->face); |
1866 | info->props[i].value = MakeAtom__libxfont__MakeAtom(vp, strlen(vp), TRUE1); |
1867 | info->isStringProp[i] = 1; |
1868 | i++; |
1869 | |
1870 | info->props[i].name = MakeAtom__libxfont__MakeAtom("RASTERIZER_NAME", 15, TRUE1); |
1871 | info->props[i].value = MakeAtom__libxfont__MakeAtom("FreeType", 8, TRUE1); |
1872 | info->isStringProp[i] = 1; |
1873 | i++; |
1874 | |
1875 | info->nprops = i; |
1876 | return Successful85; |
1877 | } |
1878 | |
1879 | static int |
1880 | ft_get_index(unsigned code, FTFontPtr font, unsigned *idx) |
1881 | { |
1882 | |
1883 | /* As a special case, we pass 0 even when it is not in the ranges; |
1884 | this will allow for the default glyph, which should exist in any |
1885 | TrueType font. */ |
1886 | |
1887 | /* This is not required... |
1888 | if(code > 0 && font->nranges) { |
1889 | int i; |
1890 | for(i = 0; i < font->nranges; i++) |
1891 | if((code >= |
1892 | font->ranges[i].min_char_low+ |
1893 | (font->ranges[i].min_char_high<<8)) && |
1894 | (code <= |
1895 | font->ranges[i].max_char_low + |
1896 | (font->ranges[i].max_char_high<<8))) |
1897 | break; |
1898 | if(i == font->nranges) { |
1899 | *idx = font->zero_idx; |
1900 | return -1; |
1901 | } |
1902 | } |
1903 | */ |
1904 | if( font->info ) { |
1905 | if( !( font->info->firstCol <= (code & 0x000ff) && |
1906 | (code & 0x000ff) <= font->info->lastCol && |
1907 | font->info->firstRow <= (code >> 8) && |
1908 | (code >> 8) <= font->info->lastRow ) ) { |
1909 | *idx = font->zero_idx; |
1910 | /* Error: The code has not been parsed in ft_compute_bounds()! |
1911 | We should not return any metrics. */ |
1912 | return -1; |
1913 | } |
1914 | } |
1915 | |
1916 | *idx = FTRemap(font->instance->face->face, &font->mapping, code); |
1917 | |
1918 | return 0; |
1919 | } |
1920 | |
1921 | static int |
1922 | FreeTypeFontGetGlyph(unsigned code, int flags, CharInfoPtr *g, FTFontPtr font) |
1923 | { |
1924 | unsigned idx = 0; |
1925 | int xrc; |
1926 | |
1927 | #ifdef X_ACCEPTS_NO_SUCH_CHAR |
1928 | if( ft_get_index(code,font,&idx) || idx == 0 || idx == font->zero_idx ) { |
1929 | *g = NULL((void*)0); |
1930 | flags &= ~FT_FORCE_CONSTANT_SPACING0x08; |
1931 | /* if( font->instance->spacing != FT_CHARCELL ) */ |
1932 | return Successful85; |
1933 | } |
1934 | #else |
1935 | if( ft_get_index(code,font,&idx) ) { |
1936 | /* The code has not been parsed! */ |
1937 | *g = NULL((void*)0); |
1938 | flags &= ~FT_FORCE_CONSTANT_SPACING0x08; |
1939 | } |
1940 | #endif |
1941 | |
1942 | xrc = FreeTypeInstanceGetGlyph(idx, flags, g, font->instance); |
1943 | if( xrc == Successful85 && *g != NULL((void*)0) ) |
1944 | return Successful85; |
1945 | if( font->zero_idx != idx ) { |
1946 | xrc = FreeTypeInstanceGetGlyph(font->zero_idx, flags, g, font->instance); |
1947 | if( xrc == Successful85 && *g != NULL((void*)0) ) |
1948 | return Successful85; |
1949 | } |
1950 | return FreeTypeInstanceGetGlyph(font->zero_idx, flags|FT_GET_DUMMY0x04, g, font->instance); |
1951 | } |
1952 | |
1953 | static int |
1954 | FreeTypeFontGetGlyphMetrics(unsigned code, int flags, xCharInfo **metrics, FTFontPtr font) |
1955 | { |
1956 | unsigned idx = 0; |
1957 | int xrc; |
1958 | |
1959 | #ifdef X_ACCEPTS_NO_SUCH_CHAR |
1960 | if ( ft_get_index(code,font,&idx) || idx == 0 || idx == font->zero_idx ) { |
1961 | *metrics = NULL((void*)0); |
1962 | flags &= ~FT_FORCE_CONSTANT_SPACING0x08; |
Value stored to 'flags' is never read | |
1963 | /* if( font->instance->spacing != FT_CHARCELL ) */ |
1964 | return Successful85; |
1965 | } |
1966 | #else |
1967 | if ( ft_get_index(code,font,&idx) || idx == 0 || idx == font->zero_idx ) { |
1968 | /* The code has not been parsed! */ |
1969 | *metrics = NULL((void*)0); |
1970 | flags &= ~FT_FORCE_CONSTANT_SPACING0x08; |
1971 | } |
1972 | #endif |
1973 | |
1974 | xrc = FreeTypeInstanceGetGlyphMetrics(idx, flags, metrics, font->instance); |
1975 | if( xrc == Successful85 && *metrics != NULL((void*)0) ) |
1976 | return Successful85; |
1977 | if( font->zero_idx != idx ) { |
1978 | xrc = FreeTypeInstanceGetGlyphMetrics(font->zero_idx, flags, |
1979 | metrics, font->instance); |
1980 | if( xrc == Successful85 && *metrics != NULL((void*)0) ) |
1981 | return Successful85; |
1982 | } |
1983 | return FreeTypeInstanceGetGlyphMetrics(font->zero_idx, flags|FT_GET_DUMMY0x04, metrics, font->instance); |
1984 | } |
1985 | |
1986 | /* |
1987 | * restrict code range |
1988 | * |
1989 | * boolean for the numeric zone: |
1990 | * results = results & (ranges[0] | ranges[1] | ... ranges[nranges-1]) |
1991 | */ |
1992 | |
1993 | static void |
1994 | restrict_code_range(unsigned short *refFirstCol, |
1995 | unsigned short *refFirstRow, |
1996 | unsigned short *refLastCol, |
1997 | unsigned short *refLastRow, |
1998 | fsRange const *ranges, int nRanges) |
1999 | { |
2000 | if (nRanges) { |
2001 | int minCol = 256, minRow = 256, maxCol = -1, maxRow = -1; |
2002 | fsRange const *r = ranges; |
2003 | int i; |
2004 | |
2005 | for (i=0; i<nRanges; i++) { |
2006 | if (r->min_char_high != r->max_char_high) { |
2007 | minCol = 0x00; |
2008 | maxCol = 0xff; |
2009 | } else { |
2010 | if (minCol > r->min_char_low) |
2011 | minCol = r->min_char_low; |
2012 | if (maxCol < r->max_char_low) |
2013 | maxCol = r->max_char_low; |
2014 | } |
2015 | if (minRow > r->min_char_high) |
2016 | minRow = r->min_char_high; |
2017 | if (maxRow < r->max_char_high) |
2018 | maxRow = r->max_char_high; |
2019 | r++; |
2020 | } |
2021 | |
2022 | if (minCol > *refLastCol) |
2023 | *refFirstCol = *refLastCol; |
2024 | else if (minCol > *refFirstCol) |
2025 | *refFirstCol = minCol; |
2026 | |
2027 | if (maxCol < *refFirstCol) |
2028 | *refLastCol = *refFirstCol; |
2029 | else if (maxCol < *refLastCol) |
2030 | *refLastCol = maxCol; |
2031 | |
2032 | if (minRow > *refLastRow) { |
2033 | *refFirstRow = *refLastRow; |
2034 | *refFirstCol = *refLastCol; |
2035 | } else if (minRow > *refFirstRow) |
2036 | *refFirstRow = minRow; |
2037 | |
2038 | if (maxRow < *refFirstRow) { |
2039 | *refLastRow = *refFirstRow; |
2040 | *refLastCol = *refFirstCol; |
2041 | } else if (maxRow < *refLastRow) |
2042 | *refLastRow = maxRow; |
2043 | } |
2044 | } |
2045 | |
2046 | |
2047 | static int |
2048 | restrict_code_range_by_str(int count,unsigned short *refFirstCol, |
2049 | unsigned short *refFirstRow, |
2050 | unsigned short *refLastCol, |
2051 | unsigned short *refLastRow, |
2052 | char const *str) |
2053 | { |
2054 | int nRanges = 0; |
2055 | int result = 0; |
2056 | fsRange *ranges = NULL((void*)0), *oldRanges; |
2057 | char const *p, *q; |
2058 | |
2059 | p = q = str; |
2060 | for (;;) { |
2061 | int minpoint=0, maxpoint=65535; |
2062 | long val; |
2063 | |
2064 | /* skip comma and/or space */ |
2065 | while (',' == *p || isspace((unsigned char)*p)) |
2066 | p++; |
2067 | |
2068 | /* begin point */ |
2069 | if ('-' != *p) { |
2070 | val = strtol(p, (char **)&q, 0); |
2071 | if (p == q) |
2072 | /* end or illegal */ |
2073 | break; |
2074 | if (val<0 || val>65535) { |
2075 | /* out of zone */ |
2076 | break; |
2077 | } |
2078 | minpoint = val; |
2079 | p=q; |
2080 | } |
2081 | |
2082 | /* skip space */ |
2083 | while (isspace((unsigned char)*p)) |
2084 | p++; |
2085 | |
2086 | if (',' != *p && '\0' != *p) { |
2087 | /* contiune */ |
2088 | if ('-' == *p) |
2089 | /* hyphon */ |
2090 | p++; |
2091 | else |
2092 | /* end or illegal */ |
2093 | break; |
2094 | |
2095 | /* skip space */ |
2096 | while (isspace((unsigned char)*p)) |
2097 | p++; |
2098 | |
2099 | val = strtol(p, (char **)&q, 0); |
2100 | if (p != q) { |
2101 | if (val<0 || val>65535) |
2102 | break; |
2103 | maxpoint = val; |
2104 | } else if (',' != *p && '\0' != *p) |
2105 | /* end or illegal */ |
2106 | break; |
2107 | p=q; |
2108 | } else |
2109 | /* comma - single code */ |
2110 | maxpoint = minpoint; |
2111 | |
2112 | if ( count <= 0 && minpoint>maxpoint ) { |
2113 | int tmp; |
2114 | tmp = minpoint; |
2115 | minpoint = maxpoint; |
2116 | maxpoint = tmp; |
2117 | } |
2118 | |
2119 | /* add range */ |
2120 | #if 0 |
2121 | fprintf(stderr__stderrp, "zone: 0x%04X - 0x%04X\n", minpoint, maxpoint); |
2122 | fflush(stderr__stderrp); |
2123 | #endif |
2124 | nRanges++; |
2125 | oldRanges = ranges; |
2126 | ranges = realloc(ranges, nRanges*sizeof(*ranges)); |
2127 | if (NULL((void*)0) == ranges) { |
2128 | free(oldRanges); |
2129 | break; |
2130 | } |
2131 | else { |
2132 | fsRange *r = ranges+nRanges-1; |
2133 | |
2134 | r->min_char_low = minpoint & 0xff; |
2135 | r->max_char_low = maxpoint & 0xff; |
2136 | r->min_char_high = (minpoint>>8) & 0xff; |
2137 | r->max_char_high = (maxpoint>>8) & 0xff; |
2138 | } |
2139 | } |
2140 | |
2141 | if (ranges) { |
2142 | if ( count <= 0 ) { |
2143 | restrict_code_range(refFirstCol, refFirstRow, refLastCol, refLastRow, |
2144 | ranges, nRanges); |
2145 | } |
2146 | else { |
2147 | int i; |
2148 | fsRange *r; |
2149 | for ( i=0 ; i<nRanges ; i++ ) { |
2150 | if ( count <= i ) break; |
2151 | r = ranges+i; |
2152 | refFirstCol[i] = r->min_char_low; |
2153 | refLastCol[i] = r->max_char_low; |
2154 | refFirstRow[i] = r->min_char_high; |
2155 | refLastRow[i] = r->max_char_high; |
2156 | } |
2157 | result=i; |
2158 | } |
2159 | free(ranges); |
2160 | } |
2161 | return result; |
2162 | } |
2163 | |
2164 | /* *face_number and *spacing are initialized but *load_flags is NOT. */ |
2165 | static int |
2166 | FreeTypeSetUpTTCap( char *fileName, FontScalablePtr vals, |
2167 | char **dynStrRealFileName, char **dynStrFTFileName, |
2168 | struct TTCapInfo *ret, int *face_number, FT_Int32 *load_flags, |
2169 | int *spacing, Bool *font_properties, char **dynStrTTCapCodeRange ) |
2170 | { |
2171 | int result = Successful85; |
2172 | SDynPropRecValList listPropRecVal; |
2173 | SPropRecValContainer contRecValue; |
2174 | Bool hinting=True(-1); |
2175 | Bool isEmbeddedBitmap = True(-1); |
2176 | Bool alwaysEmbeddedBitmap = False(0); |
2177 | int pixel = vals->pixel; |
2178 | |
2179 | *font_properties=True(-1); |
2180 | *dynStrRealFileName=NULL((void*)0); |
2181 | *dynStrFTFileName=NULL((void*)0); |
2182 | *dynStrTTCapCodeRange=NULL((void*)0); |
2183 | |
2184 | if (SPropRecValList_new(&listPropRecVal)) { |
2185 | return AllocError80; |
2186 | } |
2187 | |
2188 | { |
2189 | int len = strlen(fileName); |
2190 | char *capHead = NULL((void*)0); |
2191 | { |
2192 | /* font cap */ |
2193 | char *p1=NULL((void*)0), *p2=NULL((void*)0); |
2194 | |
2195 | p1=strrchr(fileName, '/'); |
2196 | if ( p1 == NULL((void*)0) ) p1 = fileName; |
2197 | else p1++; |
2198 | if (NULL((void*)0) != (p2=strrchr(p1, ':'))) { |
2199 | /* colon exist in the right side of slash. */ |
2200 | int dirLen = p1-fileName; |
2201 | int baseLen = fileName+len - p2 -1; |
2202 | |
2203 | *dynStrRealFileName = malloc(dirLen+baseLen+1); |
2204 | if( *dynStrRealFileName == NULL((void*)0) ) { |
2205 | result = AllocError80; |
2206 | goto quit; |
2207 | } |
2208 | if ( 0 < dirLen ) |
2209 | memcpy(*dynStrRealFileName, fileName, dirLen)__builtin___memcpy_chk (*dynStrRealFileName, fileName, dirLen , __builtin_object_size (*dynStrRealFileName, 0)); |
2210 | strcpy(*dynStrRealFileName+dirLen, p2+1)__builtin___strcpy_chk (*dynStrRealFileName+dirLen, p2+1, __builtin_object_size (*dynStrRealFileName+dirLen, 2 > 1 ? 1 : 0)); |
2211 | capHead = p1; |
2212 | } else { |
2213 | *dynStrRealFileName = strdup(fileName); |
2214 | if( *dynStrRealFileName == NULL((void*)0) ) { |
2215 | result = AllocError80; |
2216 | goto quit; |
2217 | } |
2218 | } |
2219 | } |
2220 | |
2221 | /* font cap */ |
2222 | if (capHead) { |
2223 | if (SPropRecValList_add_by_font_cap(&listPropRecVal, |
2224 | capHead)) { |
2225 | result = BadFontPath86; |
2226 | goto quit; |
2227 | } |
2228 | } |
2229 | } |
2230 | |
2231 | *face_number=0; |
2232 | *spacing=0; |
2233 | ret->autoItalic=0.0; |
2234 | ret->scaleWidth=1.0; |
2235 | ret->scaleBBoxWidth = 1.0; |
2236 | ret->scaleBBoxHeight = 1.0; |
2237 | ret->doubleStrikeShift = 1; |
2238 | ret->adjustBBoxWidthByPixel = 0; |
2239 | ret->adjustLeftSideBearingByPixel = 0; |
2240 | ret->adjustRightSideBearingByPixel = 0; |
2241 | ret->flags = 0; |
2242 | ret->scaleBitmap = 0.0; |
2243 | ret->forceConstantSpacingBegin = -1; |
2244 | ret->forceConstantSpacingEnd = -1; |
2245 | ret->force_c_representative_metrics_char_code = -2; |
2246 | ret->force_c_scale_b_box_width = 1.0; |
2247 | ret->force_c_scale_b_box_height = 1.0; |
2248 | ret->force_c_adjust_width_by_pixel = 0; |
2249 | ret->force_c_adjust_lsb_by_pixel = 0; |
2250 | ret->force_c_adjust_rsb_by_pixel = 0; |
2251 | ret->force_c_scale_lsb = 0.0; |
2252 | ret->force_c_scale_rsb = 1.0; |
2253 | /* */ |
2254 | ret->vl_slant=0; |
2255 | ret->lsbShiftOfBitmapAutoItalic=0; |
2256 | ret->rsbShiftOfBitmapAutoItalic=0; |
2257 | /* face number */ |
2258 | { |
2259 | char *beginptr=NULL((void*)0),*endptr; |
2260 | if ( SPropRecValList_search_record(&listPropRecVal, |
2261 | &contRecValue, |
2262 | "FaceNumber")) { |
2263 | int lv; |
2264 | beginptr = SPropContainer_value_str(contRecValue)((contRecValue)->uValue.dynStringValue); |
2265 | lv=strtol(beginptr, &endptr, 10); |
2266 | if ( *beginptr != '\0' && *endptr == '\0' ) { |
2267 | if ( 0 < lv ) *face_number = lv; |
2268 | } |
2269 | } |
2270 | if( beginptr && 0 < *face_number ) { |
2271 | char *slash; |
2272 | *dynStrFTFileName = /* add -> ':'+strlen0+':'+strlen1+'\0' */ |
2273 | malloc(1+strlen(beginptr)+1+strlen(*dynStrRealFileName)+1); |
2274 | if( *dynStrFTFileName == NULL((void*)0) ){ |
2275 | result = AllocError80; |
2276 | goto quit; |
2277 | } |
2278 | **dynStrFTFileName = '\0'; |
2279 | slash = strrchr(*dynStrRealFileName,'/'); |
2280 | if( slash ) { |
2281 | char *p; |
2282 | strcat(*dynStrFTFileName,*dynStrRealFileName)__builtin___strcat_chk (*dynStrFTFileName, *dynStrRealFileName , __builtin_object_size (*dynStrFTFileName, 2 > 1 ? 1 : 0) ); |
2283 | p = strrchr(*dynStrFTFileName,'/'); |
2284 | p[1] = '\0'; |
2285 | strcat(*dynStrFTFileName,":")__builtin___strcat_chk (*dynStrFTFileName, ":", __builtin_object_size (*dynStrFTFileName, 2 > 1 ? 1 : 0)); |
2286 | strcat(*dynStrFTFileName,beginptr)__builtin___strcat_chk (*dynStrFTFileName, beginptr, __builtin_object_size (*dynStrFTFileName, 2 > 1 ? 1 : 0)); |
2287 | strcat(*dynStrFTFileName,":")__builtin___strcat_chk (*dynStrFTFileName, ":", __builtin_object_size (*dynStrFTFileName, 2 > 1 ? 1 : 0)); |
2288 | strcat(*dynStrFTFileName,slash+1)__builtin___strcat_chk (*dynStrFTFileName, slash+1, __builtin_object_size (*dynStrFTFileName, 2 > 1 ? 1 : 0)); |
2289 | } |
2290 | else{ |
2291 | strcat(*dynStrFTFileName,":")__builtin___strcat_chk (*dynStrFTFileName, ":", __builtin_object_size (*dynStrFTFileName, 2 > 1 ? 1 : 0)); |
2292 | strcat(*dynStrFTFileName,beginptr)__builtin___strcat_chk (*dynStrFTFileName, beginptr, __builtin_object_size (*dynStrFTFileName, 2 > 1 ? 1 : 0)); |
2293 | strcat(*dynStrFTFileName,":")__builtin___strcat_chk (*dynStrFTFileName, ":", __builtin_object_size (*dynStrFTFileName, 2 > 1 ? 1 : 0)); |
2294 | strcat(*dynStrFTFileName,*dynStrRealFileName)__builtin___strcat_chk (*dynStrFTFileName, *dynStrRealFileName , __builtin_object_size (*dynStrFTFileName, 2 > 1 ? 1 : 0) ); |
2295 | } |
2296 | } |
2297 | else{ |
2298 | *dynStrFTFileName = strdup(*dynStrRealFileName); |
2299 | if( *dynStrFTFileName == NULL((void*)0) ){ |
2300 | result = AllocError80; |
2301 | goto quit; |
2302 | } |
2303 | } |
2304 | } |
2305 | /* |
2306 | fprintf(stderr,"[Filename:%s]\n",fileName); |
2307 | fprintf(stderr,"[RealFilename:%s]\n",*dynStrRealFileName); |
2308 | fprintf(stderr,"[FTFilename:%s]\n",*dynStrFTFileName); |
2309 | */ |
2310 | /* slant control */ |
2311 | if (SPropRecValList_search_record(&listPropRecVal, |
2312 | &contRecValue, |
2313 | "AutoItalic")) |
2314 | ret->autoItalic = SPropContainer_value_dbl(contRecValue)((contRecValue)->uValue.doubleValue); |
2315 | /* hinting control */ |
2316 | if (SPropRecValList_search_record(&listPropRecVal, |
2317 | &contRecValue, |
2318 | "Hinting")) |
2319 | hinting = SPropContainer_value_bool(contRecValue)((contRecValue)->uValue.boolValue); |
2320 | /* scaling */ |
2321 | if (SPropRecValList_search_record(&listPropRecVal, |
2322 | &contRecValue, |
2323 | "ScaleWidth")) { |
2324 | ret->scaleWidth = SPropContainer_value_dbl(contRecValue)((contRecValue)->uValue.doubleValue); |
2325 | if (ret->scaleWidth<=0.0) { |
2326 | fprintf(stderr__stderrp, "ScaleWitdh needs plus.\n"); |
2327 | result = BadFontName83; |
2328 | goto quit; |
2329 | } |
2330 | } |
2331 | /* bbox adjustment */ |
2332 | if (SPropRecValList_search_record(&listPropRecVal, |
2333 | &contRecValue, |
2334 | "ScaleBBoxWidth")) { |
2335 | /* Scaling to Bounding Box Width */ |
2336 | int lv; |
2337 | char *endptr,*beginptr; |
2338 | double v,scaleBBoxWidth=1.0,scaleBBoxHeight=1.0; |
2339 | beginptr = SPropContainer_value_str(contRecValue)((contRecValue)->uValue.dynStringValue); |
2340 | do { |
2341 | if ( strlen(beginptr) < 1 ) break; |
2342 | v=strtod(beginptr, &endptr); |
2343 | if ( endptr!=beginptr ) { |
2344 | scaleBBoxWidth = v; |
2345 | } |
2346 | if ( *endptr != ';' && *endptr != ',' ) break; |
2347 | if ( *endptr == ',' ) { |
2348 | beginptr=endptr+1; |
2349 | v=strtod(beginptr, &endptr); |
2350 | if ( endptr!=beginptr ) { |
2351 | scaleBBoxHeight = v; |
2352 | } |
2353 | } |
2354 | if ( *endptr != ';' && *endptr != ',' ) break; |
2355 | beginptr=endptr+1; |
2356 | lv=strtol(beginptr, &endptr, 10); |
2357 | if ( endptr!=beginptr ) { |
2358 | ret->adjustBBoxWidthByPixel = lv; |
2359 | } |
2360 | if ( *endptr != ',' ) break; |
2361 | beginptr=endptr+1; |
2362 | lv=strtol(beginptr, &endptr, 10); |
2363 | if ( endptr!=beginptr ) { |
2364 | ret->adjustLeftSideBearingByPixel = lv; |
2365 | } |
2366 | if ( *endptr != ',' ) break; |
2367 | beginptr=endptr+1; |
2368 | lv=strtol(beginptr, &endptr, 10); |
2369 | if ( endptr!=beginptr ) { |
2370 | ret->adjustRightSideBearingByPixel = lv; |
2371 | } |
2372 | } while ( 0 ); |
2373 | if (scaleBBoxWidth<=0.0) { |
2374 | fprintf(stderr__stderrp, "ScaleBBoxWitdh needs plus.\n"); |
2375 | result = BadFontName83; |
2376 | goto quit; |
2377 | } |
2378 | if (scaleBBoxHeight<=0.0) { |
2379 | fprintf(stderr__stderrp, "ScaleBBoxHeight needs plus.\n"); |
2380 | result = BadFontName83; |
2381 | goto quit; |
2382 | } |
2383 | ret->scaleBBoxWidth = scaleBBoxWidth; |
2384 | ret->scaleBBoxHeight = scaleBBoxHeight; |
2385 | } |
2386 | /* spacing */ |
2387 | if (SPropRecValList_search_record(&listPropRecVal, |
2388 | &contRecValue, |
2389 | "ForceSpacing")) { |
2390 | char *strSpace = SPropContainer_value_str(contRecValue)((contRecValue)->uValue.dynStringValue); |
2391 | Bool err = False(0); |
2392 | if (1 != strlen(strSpace)) |
2393 | err = True(-1); |
2394 | else |
2395 | switch (strSpace[0]) { |
2396 | case 'M': |
2397 | ret->flags |= TTCAP_MONO_CENTER0x0800; |
2398 | *spacing = 'm'; |
2399 | break; |
2400 | case 'm': |
2401 | case 'p': |
2402 | case 'c': |
2403 | *spacing = strSpace[0]; |
2404 | break; |
2405 | default: |
2406 | err = True(-1); |
2407 | } |
2408 | if (err) { |
2409 | result = BadFontName83; |
2410 | goto quit; |
2411 | } |
2412 | } |
2413 | /* doube striking */ |
2414 | if (SPropRecValList_search_record(&listPropRecVal, |
2415 | &contRecValue, |
2416 | "DoubleStrike")) { |
2417 | /* Set or Reset Auto Bold Flag */ |
2418 | char *strDoubleStrike = SPropContainer_value_str(contRecValue)((contRecValue)->uValue.dynStringValue); |
2419 | Bool err = False(0); |
2420 | if ( 0 < strlen(strDoubleStrike) ) { |
2421 | switch (strDoubleStrike[0]) { |
2422 | case 'm': |
2423 | case 'M': |
2424 | case 'l': |
2425 | case 'L': |
2426 | ret->flags |= TTCAP_DOUBLE_STRIKE0x0001; |
2427 | ret->flags |= TTCAP_DOUBLE_STRIKE_MKBOLD_EDGE_LEFT0x0002; |
2428 | break; |
2429 | case 'y': |
2430 | case 'Y': |
2431 | ret->flags |= TTCAP_DOUBLE_STRIKE0x0001; |
2432 | break; |
2433 | case 'n': |
2434 | case 'N': |
2435 | ret->flags &= ~TTCAP_DOUBLE_STRIKE0x0001; |
2436 | ret->flags &= ~TTCAP_DOUBLE_STRIKE_MKBOLD_EDGE_LEFT0x0002; |
2437 | ret->flags &= ~TTCAP_DOUBLE_STRIKE_CORRECT_B_BOX_WIDTH0x0008; |
2438 | break; |
2439 | default: |
2440 | err = True(-1); |
2441 | } |
2442 | if ( err != True(-1) ) { |
2443 | if ( strDoubleStrike[1] ) { |
2444 | switch (strDoubleStrike[1]) { |
2445 | case 'b': |
2446 | case 'B': |
2447 | case 'p': |
2448 | case 'P': |
2449 | case 'y': |
2450 | case 'Y': |
2451 | ret->flags |= TTCAP_DOUBLE_STRIKE_CORRECT_B_BOX_WIDTH0x0008; |
2452 | break; |
2453 | default: |
2454 | break; |
2455 | } |
2456 | } |
2457 | do { |
2458 | char *comma_ptr=strchr(strDoubleStrike,';'); |
2459 | if ( !comma_ptr ) comma_ptr=strchr(strDoubleStrike,','); |
2460 | if ( !comma_ptr ) break; |
2461 | if ( comma_ptr[1] ) { |
2462 | char *endptr; |
2463 | int mkboldMaxPixel; |
2464 | mkboldMaxPixel=strtol(comma_ptr+1, &endptr, 10); |
2465 | if ( endptr != comma_ptr+1 && mkboldMaxPixel <= pixel ) { |
2466 | ret->flags &= ~TTCAP_DOUBLE_STRIKE_MKBOLD_EDGE_LEFT0x0002; |
2467 | } |
2468 | } |
2469 | comma_ptr=strchr(comma_ptr+1,','); |
2470 | if ( !comma_ptr ) break; |
2471 | if ( comma_ptr[1] ) { |
2472 | char *endptr; |
2473 | int max_pixel; |
2474 | max_pixel=strtol(comma_ptr+1, &endptr, 10); |
2475 | if ( endptr != comma_ptr+1 && max_pixel <= pixel ) { |
2476 | if( ret->flags & TTCAP_DOUBLE_STRIKE0x0001 ) |
2477 | ret->doubleStrikeShift += pixel / max_pixel; |
2478 | } |
2479 | } |
2480 | } while(0); |
2481 | } |
2482 | } |
2483 | else |
2484 | err = True(-1); |
2485 | if (err) { |
2486 | result = BadFontName83; |
2487 | goto quit; |
2488 | } |
2489 | } |
2490 | /* very lazy metrics */ |
2491 | if (SPropRecValList_search_record(&listPropRecVal, |
2492 | &contRecValue, |
2493 | "VeryLazyMetrics")){ |
2494 | Bool isVeryLazy = SPropContainer_value_bool(contRecValue)((contRecValue)->uValue.boolValue); |
2495 | ret->flags |= TTCAP_DISABLE_DEFAULT_VERY_LAZY0x0020; |
2496 | if( isVeryLazy == True(-1) ) |
2497 | ret->flags |= TTCAP_IS_VERY_LAZY0x0010; |
2498 | else |
2499 | ret->flags &= ~TTCAP_IS_VERY_LAZY0x0010; |
2500 | } |
2501 | /* embedded bitmap */ |
2502 | if (SPropRecValList_search_record(&listPropRecVal, |
2503 | &contRecValue, |
2504 | "EmbeddedBitmap")) { |
2505 | char *strEmbeddedBitmap = SPropContainer_value_str(contRecValue)((contRecValue)->uValue.dynStringValue); |
2506 | Bool err = False(0); |
2507 | if ( 1 == strlen(strEmbeddedBitmap) ) { |
2508 | switch (strEmbeddedBitmap[0]) { |
2509 | case 'y': |
2510 | case 'Y': |
2511 | isEmbeddedBitmap = True(-1); |
2512 | alwaysEmbeddedBitmap = True(-1); |
2513 | break; |
2514 | case 'u': |
2515 | case 'U': |
2516 | isEmbeddedBitmap = True(-1); |
2517 | alwaysEmbeddedBitmap = False(0); |
2518 | break; |
2519 | case 'n': |
2520 | case 'N': |
2521 | isEmbeddedBitmap = False(0); |
2522 | break; |
2523 | default: |
2524 | err = True(-1); |
2525 | } |
2526 | } |
2527 | else |
2528 | err = True(-1); |
2529 | if (err) { |
2530 | result = BadFontName83; |
2531 | goto quit; |
2532 | } |
2533 | } |
2534 | /* scale bitmap */ |
2535 | if((ret->flags & TTCAP_IS_VERY_LAZY0x0010) && |
2536 | SPropRecValList_search_record(&listPropRecVal, |
2537 | &contRecValue, |
2538 | "VeryLazyBitmapWidthScale")) { |
2539 | /* Scaling to Bitmap Bounding Box Width */ |
2540 | double scaleBitmapWidth = SPropContainer_value_dbl(contRecValue)((contRecValue)->uValue.doubleValue); |
2541 | |
2542 | fprintf(stderr__stderrp, "Warning: `bs' option is not required in X-TT version 2.\n"); |
2543 | #if 0 |
2544 | if (scaleBitmapWidth<=0.0) { |
2545 | fprintf(stderr__stderrp, "ScaleBitmapWitdh needs plus.\n"); |
2546 | result = BadFontName83; |
2547 | goto quit; |
2548 | } |
2549 | #endif |
2550 | ret->scaleBitmap = scaleBitmapWidth; |
2551 | } |
2552 | /* restriction of the code range */ |
2553 | if (SPropRecValList_search_record(&listPropRecVal, |
2554 | &contRecValue, |
2555 | "CodeRange")) { |
2556 | *dynStrTTCapCodeRange = strdup(SPropContainer_value_str(contRecValue)((contRecValue)->uValue.dynStringValue)); |
2557 | if( *dynStrTTCapCodeRange == NULL((void*)0) ) { |
2558 | result = AllocError80; |
2559 | goto quit; |
2560 | } |
2561 | } |
2562 | /* forceConstantSpacing{Begin,End} */ |
2563 | if ( 1 /* ft->spacing == 'p' */ ){ |
2564 | unsigned short first_col=0,last_col=0x00ff; |
2565 | unsigned short first_row=0,last_row=0x00ff; |
2566 | if (SPropRecValList_search_record(&listPropRecVal, |
2567 | &contRecValue, |
2568 | "ForceConstantSpacingCodeRange")) { |
2569 | if ( restrict_code_range_by_str(1,&first_col, &first_row, |
2570 | &last_col, &last_row, |
2571 | SPropContainer_value_str(contRecValue)((contRecValue)->uValue.dynStringValue)) == 1 ) { |
2572 | ret->forceConstantSpacingBegin = (int)( first_row<<8 | first_col ); |
2573 | ret->forceConstantSpacingEnd = (int)( last_row<<8 | last_col ); |
2574 | if ( ret->forceConstantSpacingBegin <= ret->forceConstantSpacingEnd ) |
2575 | ret->flags &= ~TTCAP_FORCE_C_OUTSIDE0x0400; |
2576 | else ret->flags |= TTCAP_FORCE_C_OUTSIDE0x0400; |
2577 | } |
2578 | } |
2579 | } |
2580 | /* */ |
2581 | if ( 1 ){ |
2582 | unsigned short first_col=0, last_col=0x0ff; |
2583 | unsigned short first_row=0, last_row=0x0ff; |
2584 | if ( SPropRecValList_search_record(&listPropRecVal, |
2585 | &contRecValue, |
2586 | "ForceConstantSpacingMetrics")) { |
2587 | char *strMetrics; |
2588 | strMetrics = SPropContainer_value_str(contRecValue)((contRecValue)->uValue.dynStringValue); |
2589 | if ( strMetrics ) { |
2590 | char *comma_ptr,*period_ptr,*semic_ptr; |
2591 | semic_ptr=strchr(strMetrics,';'); |
2592 | comma_ptr=strchr(strMetrics,','); |
2593 | period_ptr=strchr(strMetrics,'.'); |
2594 | if ( semic_ptr && comma_ptr ) |
2595 | if ( semic_ptr < comma_ptr ) comma_ptr=NULL((void*)0); |
2596 | if ( semic_ptr && period_ptr ) |
2597 | if ( semic_ptr < period_ptr ) period_ptr=NULL((void*)0); |
2598 | if ( !comma_ptr && !period_ptr && strMetrics != semic_ptr ) { |
2599 | if ( restrict_code_range_by_str(1,&first_col, &first_row, |
2600 | &last_col, &last_row, |
2601 | SPropContainer_value_str(contRecValue)((contRecValue)->uValue.dynStringValue)) == 1 ) { |
2602 | ret->force_c_representative_metrics_char_code = |
2603 | (int)( first_row<<8 | first_col ); |
2604 | } |
2605 | } |
2606 | else { |
2607 | double v; |
2608 | char *endptr,*beginptr=strMetrics; |
2609 | do { |
2610 | v=strtod(beginptr, &endptr); |
2611 | if ( endptr!=beginptr ) { |
2612 | ret->force_c_scale_b_box_width = v; |
2613 | } |
2614 | if ( *endptr != ',' ) break; |
2615 | beginptr=endptr+1; |
2616 | v=strtod(beginptr, &endptr); |
2617 | if ( endptr!=beginptr ) { |
2618 | ret->force_c_scale_lsb = v; |
2619 | ret->flags |= TTCAP_FORCE_C_LSB_FLAG0x0100; |
2620 | } |
2621 | if ( *endptr != ',' ) break; |
2622 | beginptr=endptr+1; |
2623 | v=strtod(beginptr, &endptr); |
2624 | if ( endptr!=beginptr ) { |
2625 | ret->force_c_scale_rsb = v; |
2626 | ret->flags |= TTCAP_FORCE_C_RSB_FLAG0x0200; |
2627 | } |
2628 | if ( *endptr != ',' ) break; |
2629 | beginptr=endptr+1; |
2630 | v=strtod(beginptr, &endptr); |
2631 | if ( endptr!=beginptr ) { |
2632 | ret->force_c_scale_b_box_height = v; |
2633 | } |
2634 | } while (0); |
2635 | } |
2636 | if ( semic_ptr ) { |
2637 | int lv; |
2638 | char *endptr,*beginptr=semic_ptr+1; |
2639 | do { |
2640 | lv=strtol(beginptr, &endptr, 10); |
2641 | if ( endptr!=beginptr ) { |
2642 | ret->force_c_adjust_width_by_pixel=lv; |
2643 | } |
2644 | if ( *endptr != ',' ) break; |
2645 | beginptr=endptr+1; |
2646 | lv=strtol(beginptr, &endptr, 10); |
2647 | if ( endptr!=beginptr ) { |
2648 | ret->force_c_adjust_lsb_by_pixel=lv; |
2649 | } |
2650 | if ( *endptr != ',' ) break; |
2651 | beginptr=endptr+1; |
2652 | lv=strtol(beginptr, &endptr, 10); |
2653 | if ( endptr!=beginptr ) { |
2654 | ret->force_c_adjust_rsb_by_pixel=lv; |
2655 | } |
2656 | } while (0); |
2657 | } |
2658 | } |
2659 | } |
2660 | } |
2661 | |
2662 | if (SPropRecValList_search_record(&listPropRecVal, |
2663 | &contRecValue, |
2664 | "FontProperties")) { |
2665 | /* Set or Reset the Flag of FontProperties */ |
2666 | *font_properties=SPropContainer_value_bool(contRecValue)((contRecValue)->uValue.boolValue); |
2667 | } |
2668 | |
2669 | ret->force_c_scale_b_box_width *= ret->scaleBBoxWidth; |
2670 | ret->force_c_scale_b_box_height *= ret->scaleBBoxHeight; |
2671 | |
2672 | ret->force_c_scale_b_box_width *= ret->scaleWidth; |
2673 | ret->scaleBBoxWidth *= ret->scaleWidth; |
2674 | |
2675 | ret->force_c_adjust_rsb_by_pixel += ret->adjustRightSideBearingByPixel; |
2676 | ret->force_c_adjust_lsb_by_pixel += ret->adjustLeftSideBearingByPixel; |
2677 | |
2678 | /* scaleWidth, scaleBBoxWidth, force_c_scale_b_box_width, force_c_scale_b_box_width */ |
2679 | |
2680 | /* by TTCap */ |
2681 | if( hinting == False(0) ) *load_flags |= FT_LOAD_NO_HINTING0x2; |
2682 | if( isEmbeddedBitmap == False(0) ) *load_flags |= FT_LOAD_NO_BITMAP0x8; |
2683 | if( ret->autoItalic != 0 && alwaysEmbeddedBitmap == False(0) ) |
2684 | *load_flags |= FT_LOAD_NO_BITMAP0x8; |
2685 | |
2686 | quit: |
2687 | return result; |
2688 | } |
2689 | |
2690 | static int |
2691 | ft_get_trans_from_vals( FontScalablePtr vals, FTNormalisedTransformationPtr trans ) |
2692 | { |
2693 | /* Compute the transformation matrix. We use floating-point |
2694 | arithmetic for simplicity */ |
2695 | |
2696 | trans->xres = vals->x; |
2697 | trans->yres = vals->y; |
2698 | |
2699 | /* This value cannot be 0. */ |
2700 | trans->scale = hypot(vals->point_matrix[2], vals->point_matrix[3]); |
2701 | trans->nonIdentity = 0; |
2702 | |
2703 | /* Try to round stuff. We want approximate zeros to be exact zeros, |
2704 | and if the elements on the diagonal are approximately equal, we |
2705 | want them equal. We do this to avoid breaking hinting. */ |
2706 | if(DIFFER(vals->point_matrix[0], vals->point_matrix[3])(fabs((vals->point_matrix[0])-(vals->point_matrix[3]))>= ((double)0.001)*fabs(vals->point_matrix[0]))) { |
2707 | trans->nonIdentity = 1; |
2708 | trans->matrix.xx = |
2709 | (int)((vals->point_matrix[0]*(double)TWO_SIXTEENTH((double)(1<<16)))/trans->scale); |
2710 | trans->matrix.yy = |
2711 | (int)((vals->point_matrix[3]*(double)TWO_SIXTEENTH((double)(1<<16)))/trans->scale); |
2712 | } else { |
2713 | trans->matrix.xx = trans->matrix.yy = |
2714 | ((vals->point_matrix[0] + vals->point_matrix[3])/2* |
2715 | (double)TWO_SIXTEENTH((double)(1<<16)))/trans->scale; |
2716 | } |
2717 | |
2718 | if(DIFFER0(vals->point_matrix[1], trans->scale)(fabs(vals->point_matrix[1])>=((double)0.001)*fabs(trans ->scale))) { |
2719 | trans->matrix.yx = |
2720 | (int)((vals->point_matrix[1]*(double)TWO_SIXTEENTH((double)(1<<16)))/trans->scale); |
2721 | trans->nonIdentity = 1; |
2722 | } else |
2723 | trans->matrix.yx = 0; |
2724 | |
2725 | if(DIFFER0(vals->point_matrix[2], trans->scale)(fabs(vals->point_matrix[2])>=((double)0.001)*fabs(trans ->scale))) { |
2726 | trans->matrix.xy = |
2727 | (int)((vals->point_matrix[2]*(double)TWO_SIXTEENTH((double)(1<<16)))/trans->scale); |
2728 | trans->nonIdentity = 1; |
2729 | } else |
2730 | trans->matrix.xy=0; |
2731 | return 0; |
2732 | } |
2733 | |
2734 | |
2735 | static int |
2736 | is_fixed_width(FT_Face face) |
2737 | { |
2738 | PS_FontInfoRec t1info_rec; |
2739 | int ftrc; |
2740 | |
2741 | if(FT_IS_FIXED_WIDTH(face)( face->face_flags & ( 1L << 2 ) )) { |
2742 | return 1; |
2743 | } |
2744 | |
2745 | ftrc = FT_Get_PS_Font_Info(face, &t1info_rec); |
2746 | if(ftrc == 0 && t1info_rec.is_fixed_pitch) { |
2747 | return 1; |
2748 | } |
2749 | |
2750 | return 0; |
2751 | } |
2752 | |
2753 | static int |
2754 | FreeTypeLoadFont(FTFontPtr font, FontInfoPtr info, FTFacePtr face, |
2755 | char *FTFileName, FontScalablePtr vals, FontEntryPtr entry, |
2756 | FontBitmapFormatPtr bmfmt, FT_Int32 load_flags, |
2757 | struct TTCapInfo *tmp_ttcap, char *dynStrTTCapCodeRange, |
2758 | int ttcap_spacing ) |
2759 | { |
2760 | int xrc; |
2761 | FTNormalisedTransformationRec trans; |
2762 | int spacing, actual_spacing, zero_code; |
2763 | long lastCode, firstCode; |
2764 | TT_Postscript *post; |
2765 | |
2766 | ft_get_trans_from_vals(vals,&trans); |
2767 | |
2768 | /* Check for charcell in XLFD */ |
2769 | spacing = FT_PROPORTIONAL0; |
2770 | if(entry->name.ndashes == 14) { |
2771 | char *p; |
2772 | int dashes = 0; |
2773 | for(p = entry->name.name; |
2774 | p <= entry->name.name + entry->name.length - 2; |
2775 | p++) { |
2776 | if(*p == '-') { |
2777 | dashes++; |
2778 | if(dashes == 11) { |
2779 | if(p[1]=='c' && p[2]=='-') |
2780 | spacing=FT_CHARCELL2; |
2781 | else if(p[1]=='m' && p[2]=='-') |
2782 | spacing=FT_MONOSPACED1; |
2783 | break; |
2784 | } |
2785 | } |
2786 | } |
2787 | } |
2788 | /* by TTCap */ |
2789 | if( ttcap_spacing != 0 ) { |
2790 | if( ttcap_spacing == 'c' ) spacing=FT_CHARCELL2; |
2791 | else if( ttcap_spacing == 'm' ) spacing=FT_MONOSPACED1; |
2792 | else spacing=FT_PROPORTIONAL0; |
2793 | } |
2794 | |
2795 | actual_spacing = spacing; |
2796 | if( spacing == FT_PROPORTIONAL0 ) { |
2797 | if( is_fixed_width(face->face) ) |
2798 | actual_spacing = FT_MONOSPACED1; |
2799 | } |
2800 | |
2801 | if(entry->name.ndashes == 14) { |
2802 | xrc = FTPickMapping(entry->name.name, entry->name.length, FTFileName, |
2803 | face->face, &font->mapping); |
2804 | if (xrc != Successful85) |
2805 | return xrc; |
2806 | } else { |
2807 | xrc = FTPickMapping(0, 0, FTFileName, |
2808 | face->face, &font->mapping); |
2809 | if (xrc != Successful85) |
2810 | return xrc; |
2811 | } |
2812 | |
2813 | font->nranges = vals->nranges; |
2814 | font->ranges = 0; |
2815 | if(font->nranges) { |
2816 | font->ranges = malloc(vals->nranges*sizeof(fsRange)); |
2817 | if(font->ranges == NULL((void*)0)) |
2818 | return AllocError80; |
2819 | memcpy((char*)font->ranges, (char*)vals->ranges,__builtin___memcpy_chk ((char*)font->ranges, (char*)vals-> ranges, vals->nranges*sizeof(fsRange), __builtin_object_size ((char*)font->ranges, 0)) |
2820 | vals->nranges*sizeof(fsRange))__builtin___memcpy_chk ((char*)font->ranges, (char*)vals-> ranges, vals->nranges*sizeof(fsRange), __builtin_object_size ((char*)font->ranges, 0)); |
2821 | } |
2822 | |
2823 | zero_code=-1; |
2824 | if(info) { |
2825 | firstCode = 0; |
2826 | lastCode = 0xFFFFL; |
2827 | if(!font->mapping.mapping || |
2828 | font->mapping.mapping->encoding->row_size == 0) { |
2829 | /* linear indexing */ |
2830 | lastCode=MIN(lastCode,((lastCode) < (font->mapping.mapping ? font->mapping .mapping->encoding->size-1 : 0xFF) ? (lastCode) : (font ->mapping.mapping ? font->mapping.mapping->encoding-> size-1 : 0xFF)) |
2831 | font->mapping.mapping ?((lastCode) < (font->mapping.mapping ? font->mapping .mapping->encoding->size-1 : 0xFF) ? (lastCode) : (font ->mapping.mapping ? font->mapping.mapping->encoding-> size-1 : 0xFF)) |
2832 | font->mapping.mapping->encoding->size-1 :((lastCode) < (font->mapping.mapping ? font->mapping .mapping->encoding->size-1 : 0xFF) ? (lastCode) : (font ->mapping.mapping ? font->mapping.mapping->encoding-> size-1 : 0xFF)) |
2833 | 0xFF)((lastCode) < (font->mapping.mapping ? font->mapping .mapping->encoding->size-1 : 0xFF) ? (lastCode) : (font ->mapping.mapping ? font->mapping.mapping->encoding-> size-1 : 0xFF)); |
2834 | if(font->mapping.mapping && font->mapping.mapping->encoding->first) |
2835 | firstCode = font->mapping.mapping->encoding->first; |
2836 | info->firstRow = firstCode/0x100; |
2837 | info->lastRow = lastCode/0x100; |
2838 | info->firstCol = |
2839 | (info->firstRow || info->lastRow) ? 0 : (firstCode & 0xFF); |
2840 | info->lastCol = info->lastRow ? 0xFF : (lastCode & 0xFF); |
2841 | if ( firstCode == 0 ) zero_code=0; |
2842 | } else { |
2843 | /* matrix indexing */ |
2844 | info->firstRow = font->mapping.mapping->encoding->first; |
2845 | info->lastRow = MIN(font->mapping.mapping->encoding->size-1,((font->mapping.mapping->encoding->size-1) < (lastCode /0x100) ? (font->mapping.mapping->encoding->size-1) : (lastCode/0x100)) |
2846 | lastCode/0x100)((font->mapping.mapping->encoding->size-1) < (lastCode /0x100) ? (font->mapping.mapping->encoding->size-1) : (lastCode/0x100)); |
2847 | info->firstCol = font->mapping.mapping->encoding->first_col; |
2848 | info->lastCol = MIN(font->mapping.mapping->encoding->row_size-1,((font->mapping.mapping->encoding->row_size-1) < ( lastCode<0x100?lastCode:0xFF) ? (font->mapping.mapping-> encoding->row_size-1) : (lastCode<0x100?lastCode:0xFF)) |
2849 | lastCode<0x100?lastCode:0xFF)((font->mapping.mapping->encoding->row_size-1) < ( lastCode<0x100?lastCode:0xFF) ? (font->mapping.mapping-> encoding->row_size-1) : (lastCode<0x100?lastCode:0xFF)); |
2850 | if( info->firstRow == 0 && info->firstCol == 0 ) zero_code=0; |
2851 | } |
2852 | |
2853 | /* firstCode and lastCode are not valid in case of a matrix |
2854 | encoding */ |
2855 | |
2856 | if( dynStrTTCapCodeRange ) { |
2857 | restrict_code_range_by_str(0,&info->firstCol, &info->firstRow, |
2858 | &info->lastCol, &info->lastRow, |
2859 | dynStrTTCapCodeRange); |
2860 | } |
2861 | restrict_code_range(&info->firstCol, &info->firstRow, |
2862 | &info->lastCol, &info->lastRow, |
2863 | font->ranges, font->nranges); |
2864 | } |
2865 | font->info = info; |
2866 | |
2867 | /* zero code is frequently used. */ |
2868 | if ( zero_code < 0 ) { |
2869 | /* The fontenc should have the information of DefaultCh. |
2870 | But we do not have such a information. |
2871 | So we cannot but set 0. */ |
2872 | font->zero_idx = 0; |
2873 | } |
2874 | else |
2875 | font->zero_idx = FTRemap(face->face, |
2876 | &font->mapping, zero_code); |
2877 | |
2878 | post = FT_Get_Sfnt_Table(face->face, ft_sfnt_post); |
2879 | |
2880 | #ifdef DEFAULT_VERY_LAZY2 |
2881 | if( !( tmp_ttcap->flags & TTCAP_DISABLE_DEFAULT_VERY_LAZY0x0020 ) ) |
2882 | if( DEFAULT_VERY_LAZY2 <= 1 + info->lastRow - info->firstRow ) { |
2883 | if( post ){ |
2884 | tmp_ttcap->flags |= TTCAP_IS_VERY_LAZY0x0010; |
2885 | } |
2886 | } |
2887 | #endif |
2888 | /* We should always reset. */ |
2889 | tmp_ttcap->flags &= ~TTCAP_DISABLE_DEFAULT_VERY_LAZY0x0020; |
2890 | |
2891 | if ( face->bitmap || actual_spacing == FT_CHARCELL2 ) |
2892 | tmp_ttcap->flags &= ~TTCAP_IS_VERY_LAZY0x0010; |
2893 | /* "vl=y" is available when TrueType or OpenType only */ |
2894 | if ( !face->bitmap && !(FT_IS_SFNT( face->face )( face->face->face_flags & ( 1L << 3 ) )) ) |
2895 | tmp_ttcap->flags &= ~TTCAP_IS_VERY_LAZY0x0010; |
2896 | |
2897 | if( post ) { |
2898 | if( post->italicAngle != 0 ) |
2899 | tmp_ttcap->vl_slant = -sin( (post->italicAngle/1024./5760.)*1.57079632679489661923 ); |
2900 | /* fprintf(stderr,"angle=%g(%g)\n",tmp_ttcap->vl_slant,(post->italicAngle/1024./5760.)*90); */ |
2901 | } |
2902 | |
2903 | xrc = FreeTypeOpenInstance(&font->instance, face, |
2904 | FTFileName, &trans, actual_spacing, bmfmt, |
2905 | tmp_ttcap, load_flags ); |
2906 | return xrc; |
2907 | } |
2908 | |
2909 | static void |
2910 | adjust_min_max(xCharInfo *minc, xCharInfo *maxc, xCharInfo *tmp) |
2911 | { |
2912 | #define MINMAX(field,ci) \ |
2913 | if (minc->field > (ci)->field) \ |
2914 | minc->field = (ci)->field; \ |
2915 | if (maxc->field < (ci)->field) \ |
2916 | maxc->field = (ci)->field; |
2917 | |
2918 | MINMAX(ascent, tmp); |
2919 | MINMAX(descent, tmp); |
2920 | MINMAX(leftSideBearing, tmp); |
2921 | MINMAX(rightSideBearing, tmp); |
2922 | MINMAX(characterWidth, tmp); |
2923 | |
2924 | if ((INT16)minc->attributes > (INT16)tmp->attributes) |
2925 | minc->attributes = tmp->attributes; |
2926 | if ((INT16)maxc->attributes < (INT16)tmp->attributes) |
2927 | maxc->attributes = tmp->attributes; |
2928 | #undef MINMAX |
2929 | } |
2930 | |
2931 | static void |
2932 | ft_compute_bounds(FTFontPtr font, FontInfoPtr pinfo, FontScalablePtr vals ) |
2933 | { |
2934 | FTInstancePtr instance; |
2935 | int row, col; |
2936 | unsigned int c; |
2937 | xCharInfo minchar, maxchar, *tmpchar = NULL((void*)0); |
2938 | int overlap, maxOverlap; |
2939 | long swidth = 0; |
2940 | long total_width = 0; |
2941 | int num_cols, num_chars = 0; |
2942 | int flags, skip_ok = 0; |
2943 | int force_c_outside ; |
2944 | |
2945 | instance = font->instance; |
2946 | force_c_outside = instance->ttcap.flags & TTCAP_FORCE_C_OUTSIDE0x0400; |
2947 | |
2948 | minchar.ascent = minchar.descent = |
2949 | minchar.leftSideBearing = minchar.rightSideBearing = |
2950 | minchar.characterWidth = minchar.attributes = 32767; |
2951 | maxchar.ascent = maxchar.descent = |
2952 | maxchar.leftSideBearing = maxchar.rightSideBearing = |
2953 | maxchar.characterWidth = maxchar.attributes = -32767; |
2954 | maxOverlap = -32767; |
2955 | |
2956 | /* Parse all glyphs */ |
2957 | num_cols = 1 + pinfo->lastCol - pinfo->firstCol; |
2958 | for (row = pinfo->firstRow; row <= pinfo->lastRow; row++) { |
2959 | if ( skip_ok && tmpchar ) { |
2960 | if ( !force_c_outside ) { |
2961 | if ( instance->ttcap.forceConstantSpacingBegin < row<<8 |
2962 | && row<<8 < (instance->ttcap.forceConstantSpacingEnd & 0x0ff00) ) { |
2963 | if (tmpchar->characterWidth) { |
2964 | num_chars += num_cols; |
2965 | swidth += ABS(tmpchar->characterWidth)((tmpchar->characterWidth) >= 0 ? (tmpchar->characterWidth ) : -(tmpchar->characterWidth))*num_cols; |
2966 | total_width += tmpchar->characterWidth*num_cols; |
2967 | continue; |
2968 | } |
2969 | } |
2970 | else skip_ok=0; |
2971 | } |
2972 | else { /* for GB18030 proportional */ |
2973 | if ( instance->ttcap.forceConstantSpacingBegin < row<<8 |
2974 | || row<<8 < (instance->ttcap.forceConstantSpacingEnd & 0x0ff00) ) { |
2975 | if (tmpchar->characterWidth) { |
2976 | num_chars += num_cols; |
2977 | swidth += ABS(tmpchar->characterWidth)((tmpchar->characterWidth) >= 0 ? (tmpchar->characterWidth ) : -(tmpchar->characterWidth))*num_cols; |
2978 | total_width += tmpchar->characterWidth*num_cols; |
2979 | continue; |
2980 | } |
2981 | } |
2982 | else skip_ok=0; |
2983 | } |
2984 | } |
2985 | for (col = pinfo->firstCol; col <= pinfo->lastCol; col++) { |
2986 | c = row<<8|col; |
2987 | flags=0; |
2988 | if ( !force_c_outside ) { |
2989 | if ( (signed) c <= instance->ttcap.forceConstantSpacingEnd |
2990 | && instance->ttcap.forceConstantSpacingBegin <= (signed) c ) |
2991 | flags|=FT_FORCE_CONSTANT_SPACING0x08; |
2992 | } |
2993 | else { /* for GB18030 proportional */ |
2994 | if ( (signed) c <= instance->ttcap.forceConstantSpacingEnd |
2995 | || instance->ttcap.forceConstantSpacingBegin <= (signed) c ) |
2996 | flags|=FT_FORCE_CONSTANT_SPACING0x08; |
2997 | } |
2998 | #if 0 |
2999 | fprintf(stderr__stderrp, "comp_bounds: %x ->", c); |
3000 | #endif |
3001 | if ( skip_ok == 0 || flags == 0 ){ |
3002 | tmpchar=NULL((void*)0); |
3003 | #if 0 |
3004 | fprintf(stderr__stderrp, "%x\n", c); |
3005 | #endif |
3006 | if( FreeTypeFontGetGlyphMetrics(c, flags, &tmpchar, font) != Successful85 ) |
3007 | continue; |
3008 | } |
3009 | if ( !tmpchar ) continue; |
3010 | adjust_min_max(&minchar, &maxchar, tmpchar); |
3011 | overlap = tmpchar->rightSideBearing - tmpchar->characterWidth; |
3012 | if (maxOverlap < overlap) |
3013 | maxOverlap = overlap; |
3014 | |
3015 | if (!tmpchar->characterWidth) |
3016 | continue; |
3017 | num_chars++; |
3018 | swidth += ABS(tmpchar->characterWidth)((tmpchar->characterWidth) >= 0 ? (tmpchar->characterWidth ) : -(tmpchar->characterWidth)); |
3019 | total_width += tmpchar->characterWidth; |
3020 | |
3021 | if ( flags & FT_FORCE_CONSTANT_SPACING0x08 ) skip_ok=1; |
3022 | } |
3023 | } |
3024 | |
3025 | #ifndef X_ACCEPTS_NO_SUCH_CHAR |
3026 | /* Check code 0 */ |
3027 | if( FreeTypeInstanceGetGlyphMetrics(font->zero_idx, 0, &tmpchar, font->instance) != Successful85 || tmpchar == NULL((void*)0)) |
3028 | if( FreeTypeInstanceGetGlyphMetrics(font->zero_idx, FT_GET_DUMMY0x04, &tmpchar, font->instance) != Successful85 ) |
3029 | tmpchar = NULL((void*)0); |
3030 | if ( tmpchar ) { |
3031 | adjust_min_max(&minchar, &maxchar, tmpchar); |
3032 | overlap = tmpchar->rightSideBearing - tmpchar->characterWidth; |
3033 | if (maxOverlap < overlap) |
3034 | maxOverlap = overlap; |
3035 | } |
3036 | #endif |
3037 | |
3038 | /* AVERAGE_WIDTH ... 1/10 pixel unit */ |
3039 | if (num_chars > 0) { |
3040 | swidth = (swidth * 10.0 + num_chars / 2.0) / num_chars; |
3041 | if (total_width < 0) |
3042 | swidth = -swidth; |
3043 | vals->width = swidth; |
3044 | } else |
3045 | vals->width = 0; |
3046 | |
3047 | /* |
3048 | if (char_width.pixel) { |
3049 | maxchar.characterWidth = char_width.pixel; |
3050 | minchar.characterWidth = char_width.pixel; |
3051 | } |
3052 | */ |
3053 | |
3054 | pinfo->maxbounds = maxchar; |
3055 | pinfo->minbounds = minchar; |
3056 | pinfo->ink_maxbounds = maxchar; |
3057 | pinfo->ink_minbounds = minchar; |
3058 | pinfo->maxOverlap = maxOverlap; |
3059 | } |
3060 | |
3061 | static int |
3062 | compute_new_extents( FontScalablePtr vals, double scale, double lsb, double rsb, double desc, double asc, |
3063 | int *lsb_result, int *rsb_result, int *desc_result, int *asc_result ) |
3064 | { |
3065 | #define TRANSFORM_POINT(matrix, x, y, dest) \ |
3066 | ((dest)[0] = (matrix)[0] * (x) + (matrix)[2] * (y), \ |
3067 | (dest)[1] = (matrix)[1] * (x) + (matrix)[3] * (y)) |
3068 | |
3069 | #define CHECK_EXTENT(lsb, rsb, desc, asc, data) \ |
3070 | ((lsb) > (data)[0] ? (lsb) = (data)[0] : 0 , \ |
3071 | (rsb) < (data)[0] ? (rsb) = (data)[0] : 0, \ |
3072 | (-desc) > (data)[1] ? (desc) = -(data)[1] : 0 , \ |
3073 | (asc) < (data)[1] ? (asc) = (data)[1] : 0) |
3074 | double newlsb, newrsb, newdesc, newasc; |
3075 | double point[2]; |
3076 | |
3077 | /* Compute new extents for this glyph */ |
3078 | TRANSFORM_POINT(vals->pixel_matrix, lsb, -desc, point); |
3079 | newlsb = point[0]; |
3080 | newrsb = newlsb; |
3081 | newdesc = -point[1]; |
3082 | newasc = -newdesc; |
3083 | TRANSFORM_POINT(vals->pixel_matrix, lsb, asc, point); |
3084 | CHECK_EXTENT(newlsb, newrsb, newdesc, newasc, point); |
3085 | TRANSFORM_POINT(vals->pixel_matrix, rsb, -desc, point); |
3086 | CHECK_EXTENT(newlsb, newrsb, newdesc, newasc, point); |
3087 | TRANSFORM_POINT(vals->pixel_matrix, rsb, asc, point); |
3088 | CHECK_EXTENT(newlsb, newrsb, newdesc, newasc, point); |
3089 | |
3090 | /* ???: lsb = (int)floor(newlsb * scale); */ |
3091 | *lsb_result = (int)floor(newlsb * scale + 0.5); |
3092 | *rsb_result = (int)floor(newrsb * scale + 0.5); |
3093 | *desc_result = (int)ceil(newdesc * scale - 0.5); |
3094 | *asc_result = (int)floor(newasc * scale + 0.5); |
3095 | |
3096 | return 0; |
3097 | #undef CHECK_EXTENT |
3098 | #undef TRANSFORM_POINT |
3099 | } |
3100 | |
3101 | static int |
3102 | is_matrix_unit(FontScalablePtr vals) |
3103 | { |
3104 | double base_size; |
3105 | FT_Matrix m; |
3106 | |
3107 | base_size = hypot(vals->point_matrix[2], vals->point_matrix[3]); |
3108 | |
3109 | m.xx = vals->point_matrix[0] / base_size * 65536; |
3110 | m.xy = vals->point_matrix[2] / base_size * 65536; |
3111 | m.yx = vals->point_matrix[1] / base_size * 65536; |
3112 | m.yy = vals->point_matrix[3] / base_size * 65536; |
3113 | |
3114 | return (m.xx == 65536) && (m.yx == 0) && |
3115 | (m.xy == 0) && (m.yy == 65536); |
3116 | } |
3117 | |
3118 | /* Do all the real work for OpenFont or FontInfo */ |
3119 | /* xf->info is only accessed through info, and xf might be null */ |
3120 | |
3121 | static int |
3122 | FreeTypeLoadXFont(char *fileName, |
3123 | FontScalablePtr vals, FontPtr xf, FontInfoPtr info, |
3124 | FontBitmapFormatPtr bmfmt, FontEntryPtr entry) |
3125 | { |
3126 | FTFontPtr font = NULL((void*)0); |
3127 | FTFacePtr face = NULL((void*)0); |
3128 | FTInstancePtr instance; |
3129 | FT_Size_Metrics *smetrics; |
3130 | int xrc=Successful85; |
3131 | int charcell; |
3132 | long rawWidth = 0, rawAverageWidth = 0; |
3133 | int upm, minLsb, maxRsb, ascent, descent, width, averageWidth; |
3134 | double scale, base_width, base_height; |
3135 | Bool orig_is_matrix_unit, font_properties; |
3136 | int face_number, ttcap_spacing; |
3137 | struct TTCapInfo tmp_ttcap; |
3138 | struct TTCapInfo *ins_ttcap; |
3139 | FT_Int32 load_flags = FT_LOAD_DEFAULT0x0; /* orig: FT_LOAD_RENDER | FT_LOAD_MONOCHROME */ |
3140 | char *dynStrRealFileName = NULL((void*)0); /* foo.ttc */ |
3141 | char *dynStrFTFileName = NULL((void*)0); /* :1:foo.ttc */ |
3142 | char *dynStrTTCapCodeRange = NULL((void*)0); |
3143 | |
3144 | font = calloc(1, sizeof(FTFontRec)); |
3145 | if(font == NULL((void*)0)) { |
3146 | xrc = AllocError80; |
3147 | goto quit; |
3148 | } |
3149 | |
3150 | xrc = FreeTypeSetUpTTCap(fileName, vals, |
3151 | &dynStrRealFileName, &dynStrFTFileName, |
3152 | &tmp_ttcap, &face_number, |
3153 | &load_flags, &ttcap_spacing, |
3154 | &font_properties, &dynStrTTCapCodeRange); |
3155 | if ( xrc != Successful85 ) { |
3156 | goto quit; |
3157 | } |
3158 | |
3159 | xrc = FreeTypeOpenFace(&face, dynStrFTFileName, dynStrRealFileName, face_number); |
3160 | if(xrc != Successful85) { |
3161 | goto quit; |
3162 | } |
3163 | |
3164 | if( is_matrix_unit(vals) ) |
3165 | orig_is_matrix_unit = True(-1); |
3166 | else { |
3167 | orig_is_matrix_unit = False(0); |
3168 | /* Turn off EmbeddedBitmap when original matrix is not diagonal. */ |
3169 | load_flags |= FT_LOAD_NO_BITMAP0x8; |
3170 | } |
3171 | |
3172 | if( face->bitmap ) load_flags &= ~FT_LOAD_NO_BITMAP0x8; |
3173 | |
3174 | /* Slant control by TTCap */ |
3175 | if(!face->bitmap) { |
3176 | vals->pixel_matrix[2] += |
3177 | vals->pixel_matrix[0] * tmp_ttcap.autoItalic; |
3178 | vals->point_matrix[2] += |
3179 | vals->point_matrix[0] * tmp_ttcap.autoItalic; |
3180 | vals->pixel_matrix[3] += |
3181 | vals->pixel_matrix[1] * tmp_ttcap.autoItalic; |
3182 | vals->point_matrix[3] += |
3183 | vals->point_matrix[1] * tmp_ttcap.autoItalic; |
3184 | } |
3185 | |
3186 | base_width=hypot(vals->pixel_matrix[0], vals->pixel_matrix[1]); |
3187 | base_height=hypot(vals->pixel_matrix[2], vals->pixel_matrix[3]); |
3188 | if(MAX(base_width, base_height)((base_width) > (base_height) ? (base_width) : (base_height )) < 1.0 ) { |
3189 | xrc = BadFontName83; |
3190 | goto quit; |
3191 | } |
3192 | |
3193 | xrc = FreeTypeLoadFont(font, info, face, dynStrFTFileName, vals, entry, bmfmt, |
3194 | load_flags, &tmp_ttcap, dynStrTTCapCodeRange, |
3195 | ttcap_spacing ); |
3196 | if(xrc != Successful85) { |
3197 | goto quit; |
3198 | } |
3199 | |
3200 | instance = font->instance; |
3201 | smetrics = &instance->size->metrics; |
3202 | ins_ttcap = &instance->ttcap; |
3203 | |
3204 | upm = face->face->units_per_EM; |
3205 | if(upm == 0) { |
3206 | /* Work around FreeType bug */ |
3207 | upm = WORK_AROUND_UPM2048; |
3208 | } |
3209 | scale = 1.0 / upm; |
3210 | |
3211 | charcell = (instance->spacing == FT_CHARCELL2); |
3212 | |
3213 | if( instance->charcellMetrics == NULL((void*)0) ) { |
3214 | |
3215 | /* New instance */ |
3216 | |
3217 | long force_c_rawWidth = 0; |
3218 | int force_c_lsb,force_c_rsb,force_c_width; |
3219 | double unit_x=0,unit_y=0,advance; |
3220 | CharInfoPtr tmpglyph; |
3221 | |
3222 | /* |
3223 | * CALCULATE HEADER'S METRICS |
3224 | */ |
3225 | |
3226 | /* for OUTLINE fonts */ |
3227 | if(!face->bitmap) { |
3228 | int new_width; |
3229 | double ratio,force_c_ratio; |
3230 | double width_x=0,width_y=0; |
3231 | double force_c_width_x, force_c_rsb_x, force_c_lsb_x; |
3232 | double tmp_rsb,tmp_lsb,tmp_asc,tmp_des; |
3233 | double max_advance_height; |
3234 | tmp_asc = face->face->bbox.yMax; |
3235 | tmp_des = -(face->face->bbox.yMin); |
3236 | if ( tmp_asc < face->face->ascender ) tmp_asc = face->face->ascender; |
3237 | if ( tmp_des < -(face->face->descender) ) tmp_des = -(face->face->descender); |
3238 | tmp_lsb = face->face->bbox.xMin; |
3239 | tmp_rsb = face->face->bbox.xMax; |
3240 | if ( tmp_rsb < face->face->max_advance_width ) tmp_rsb = face->face->max_advance_width; |
3241 | /* apply scaleBBoxWidth */ |
3242 | /* we should not ...??? */ |
3243 | tmp_lsb *= ins_ttcap->scaleBBoxWidth; |
3244 | tmp_rsb *= ins_ttcap->scaleBBoxWidth; |
3245 | /* transform and rescale */ |
3246 | compute_new_extents( vals, scale, tmp_lsb, tmp_rsb, tmp_des, tmp_asc, |
3247 | &minLsb, &maxRsb, &descent, &ascent ); |
3248 | /* */ |
3249 | /* Consider vertical layouts */ |
3250 | if( 0 < face->face->max_advance_height ) |
3251 | max_advance_height = face->face->max_advance_height; |
3252 | else |
3253 | max_advance_height = tmp_asc + tmp_des; |
3254 | if( vals->pixel_matrix[1] == 0 ){ |
3255 | unit_x = fabs(vals->pixel_matrix[0]); |
3256 | unit_y = 0; |
3257 | width_x = face->face->max_advance_width * ins_ttcap->scaleBBoxWidth * unit_x; |
3258 | } |
3259 | else if( vals->pixel_matrix[3] == 0 ){ |
3260 | unit_y = fabs(vals->pixel_matrix[2]); |
3261 | unit_x = 0; |
3262 | width_x = max_advance_height * ins_ttcap->scaleBBoxHeight * unit_y; |
3263 | } |
3264 | else{ |
3265 | unit_x = fabs(vals->pixel_matrix[0] - |
3266 | vals->pixel_matrix[1]*vals->pixel_matrix[2]/vals->pixel_matrix[3]); |
3267 | unit_y = fabs(vals->pixel_matrix[2] - |
3268 | vals->pixel_matrix[3]*vals->pixel_matrix[0]/vals->pixel_matrix[1]); |
3269 | width_x = face->face->max_advance_width * ins_ttcap->scaleBBoxWidth * unit_x; |
3270 | width_y = max_advance_height * ins_ttcap->scaleBBoxHeight * unit_y; |
3271 | if( width_y < width_x ){ |
3272 | width_x = width_y; |
3273 | unit_x = 0; |
3274 | } |
3275 | else{ |
3276 | unit_y = 0; |
3277 | } |
3278 | } |
3279 | /* calculate correction ratio */ |
3280 | width = (int)floor( (advance = width_x * scale) + 0.5); |
3281 | new_width = width; |
3282 | if( ins_ttcap->flags & TTCAP_DOUBLE_STRIKE_CORRECT_B_BOX_WIDTH0x0008 ) |
3283 | new_width += ins_ttcap->doubleStrikeShift; |
3284 | new_width += ins_ttcap->adjustBBoxWidthByPixel; |
3285 | ratio = (double)new_width/width; |
3286 | width = new_width; |
3287 | /* force constant */ |
3288 | if( unit_x != 0 ) { |
3289 | force_c_width_x = face->face->max_advance_width |
3290 | * ins_ttcap->force_c_scale_b_box_width * unit_x; |
3291 | force_c_lsb_x = face->face->max_advance_width |
3292 | * ins_ttcap->force_c_scale_lsb * unit_x; |
3293 | force_c_rsb_x = face->face->max_advance_width |
3294 | * ins_ttcap->force_c_scale_rsb * unit_x; |
3295 | } |
3296 | else { |
3297 | force_c_width_x = max_advance_height |
3298 | * ins_ttcap->force_c_scale_b_box_height * unit_y; |
3299 | force_c_lsb_x = max_advance_height |
3300 | * ins_ttcap->force_c_scale_lsb * unit_y; |
3301 | force_c_rsb_x = max_advance_height |
3302 | * ins_ttcap->force_c_scale_rsb * unit_y; |
3303 | } |
3304 | /* calculate correction ratio */ |
3305 | force_c_width = (int)floor(force_c_width_x * scale + 0.5); |
3306 | new_width = force_c_width; |
3307 | if( ins_ttcap->flags & TTCAP_DOUBLE_STRIKE_CORRECT_B_BOX_WIDTH0x0008 ) |
3308 | force_c_width += ins_ttcap->doubleStrikeShift; |
3309 | new_width += ins_ttcap->force_c_adjust_width_by_pixel; |
3310 | force_c_ratio = (double)new_width/force_c_width; |
3311 | force_c_width = new_width; |
3312 | /* force_c_lsb, force_c_rsb */ |
3313 | if( ins_ttcap->flags & TTCAP_FORCE_C_LSB_FLAG0x0100 ) |
3314 | force_c_lsb = (int)floor( force_c_lsb_x * scale + 0.5 ); |
3315 | else |
3316 | force_c_lsb = minLsb; |
3317 | if( ins_ttcap->flags & TTCAP_FORCE_C_RSB_FLAG0x0200 ) |
3318 | force_c_rsb = (int)floor( force_c_rsb_x * scale + 0.5 ); |
3319 | else |
3320 | force_c_rsb = maxRsb; |
3321 | /* calculate shift of BitmapAutoItalic |
3322 | (when diagonal matrix only) */ |
3323 | if( orig_is_matrix_unit == True(-1) ) { |
3324 | if( ins_ttcap->autoItalic != 0 ) { |
3325 | double ai; |
3326 | int ai_lsb,ai_rsb,ai_total; |
3327 | if( 0 < ins_ttcap->autoItalic ) ai=ins_ttcap->autoItalic; |
3328 | else ai = -ins_ttcap->autoItalic; |
3329 | ai_total = (int)( (ascent+descent) * ai + 0.5); |
3330 | ai_rsb = (int)((double)ai_total * ascent / ( ascent + descent ) + 0.5 ); |
3331 | ai_lsb = -(ai_total - ai_rsb); |
3332 | if( 0 < ins_ttcap->autoItalic ) { |
3333 | ins_ttcap->lsbShiftOfBitmapAutoItalic = ai_lsb; |
3334 | ins_ttcap->rsbShiftOfBitmapAutoItalic = ai_rsb; |
3335 | } |
3336 | else { |
3337 | ins_ttcap->lsbShiftOfBitmapAutoItalic = -ai_rsb; |
3338 | ins_ttcap->rsbShiftOfBitmapAutoItalic = -ai_lsb; |
3339 | } |
3340 | } |
3341 | } |
3342 | /* integer adjustment by TTCap */ |
3343 | if( ins_ttcap->flags & TTCAP_DOUBLE_STRIKE0x0001 ) |
3344 | maxRsb += ins_ttcap->doubleStrikeShift; |
3345 | maxRsb += ins_ttcap->adjustRightSideBearingByPixel; |
3346 | minLsb += ins_ttcap->adjustLeftSideBearingByPixel; |
3347 | /* */ |
3348 | if( ins_ttcap->flags & TTCAP_DOUBLE_STRIKE0x0001 ) |
3349 | force_c_rsb += ins_ttcap->doubleStrikeShift; |
3350 | force_c_rsb += ins_ttcap->force_c_adjust_rsb_by_pixel; |
3351 | force_c_lsb += ins_ttcap->force_c_adjust_lsb_by_pixel; |
3352 | /* apply to rawWidth */ |
3353 | averageWidth = (int)floor(10 * width_x * scale |
3354 | * ratio + 0.5); |
3355 | rawWidth = floor(width_x * scale |
3356 | * ratio * 1000. / base_height + 0.5); |
3357 | rawAverageWidth = floor(width_x * scale * ratio * 10. |
3358 | * 1000. / base_height + 0.5); |
3359 | force_c_rawWidth = floor(force_c_width_x * scale |
3360 | * force_c_ratio * 1000. / base_height + 0.5); |
3361 | /* */ |
3362 | } |
3363 | /* for BITMAP fonts [if(face->bitmap)] */ |
3364 | else { |
3365 | /* These values differ from actual when outline, |
3366 | so we must use them ONLY FOR BITMAP. */ |
3367 | width = (int)floor(smetrics->max_advance * ins_ttcap->scaleBBoxWidth / 64.0 + .5); |
3368 | descent = -smetrics->descender / 64; |
3369 | ascent = smetrics->ascender / 64; |
3370 | /* force constant */ |
3371 | force_c_width = (int)floor(smetrics->max_advance |
3372 | * ins_ttcap->force_c_scale_b_box_width / 64.0 + .5); |
3373 | /* Preserve average width for bitmap fonts */ |
3374 | if(vals->width != 0) |
3375 | averageWidth = (int)floor(vals->width * ins_ttcap->scaleBBoxWidth +.5); |
3376 | else |
3377 | averageWidth = (int)floor(10.0 * smetrics->max_advance |
3378 | * ins_ttcap->scaleBBoxWidth / 64.0 + .5); |
3379 | rawWidth = 0; |
3380 | rawAverageWidth = 0; |
3381 | force_c_rawWidth = 0; |
3382 | /* We don't consider vertical layouts */ |
3383 | advance = (int)floor(smetrics->max_advance / 64.0 +.5); |
3384 | unit_x = vals->pixel_matrix[0]; |
3385 | unit_y = 0; |
3386 | /* We can use 'width' only when bitmap. |
3387 | This should not be set when outline. */ |
3388 | minLsb = 0; |
3389 | maxRsb = width; |
3390 | /* force constant */ |
3391 | if( ins_ttcap->flags & TTCAP_FORCE_C_LSB_FLAG0x0100 ) |
3392 | force_c_lsb = (int)floor(smetrics->max_advance |
3393 | * ins_ttcap->force_c_scale_lsb / 64.0 + .5); |
3394 | else |
3395 | force_c_lsb = minLsb; |
3396 | if( ins_ttcap->flags & TTCAP_FORCE_C_RSB_FLAG0x0200 ) |
3397 | force_c_rsb = (int)floor(smetrics->max_advance |
3398 | * ins_ttcap->force_c_scale_rsb / 64.0 + .5); |
3399 | else |
3400 | force_c_rsb = maxRsb; |
3401 | /* calculate shift of BitmapAutoItalic */ |
3402 | if( ins_ttcap->autoItalic != 0 ) { |
3403 | double ai; |
3404 | int ai_lsb,ai_rsb,ai_total; |
3405 | if( 0 < ins_ttcap->autoItalic ) ai=ins_ttcap->autoItalic; |
3406 | else ai = -ins_ttcap->autoItalic; |
3407 | ai_total = (int)( (ascent+descent) * ai + 0.5); |
3408 | ai_rsb = (int)((double)ai_total * ascent / ( ascent + descent ) + 0.5 ); |
3409 | ai_lsb = -(ai_total - ai_rsb); |
3410 | if( 0 < ins_ttcap->autoItalic ) { |
3411 | ins_ttcap->lsbShiftOfBitmapAutoItalic = ai_lsb; |
3412 | ins_ttcap->rsbShiftOfBitmapAutoItalic = ai_rsb; |
3413 | } |
3414 | else { |
3415 | ins_ttcap->lsbShiftOfBitmapAutoItalic = -ai_rsb; |
3416 | ins_ttcap->rsbShiftOfBitmapAutoItalic = -ai_lsb; |
3417 | } |
3418 | } |
3419 | /* integer adjustment by TTCap */ |
3420 | if( ins_ttcap->flags & TTCAP_DOUBLE_STRIKE_CORRECT_B_BOX_WIDTH0x0008 ) |
3421 | width += ins_ttcap->doubleStrikeShift; |
3422 | if( ins_ttcap->flags & TTCAP_DOUBLE_STRIKE0x0001 ) |
3423 | maxRsb += ins_ttcap->doubleStrikeShift; |
3424 | maxRsb += ins_ttcap->adjustRightSideBearingByPixel; |
3425 | minLsb += ins_ttcap->adjustLeftSideBearingByPixel; |
3426 | /* We have not carried out matrix calculation, so this is done. */ |
3427 | maxRsb += ins_ttcap->rsbShiftOfBitmapAutoItalic; |
3428 | minLsb += ins_ttcap->lsbShiftOfBitmapAutoItalic; |
3429 | /* force constant */ |
3430 | if( ins_ttcap->flags & TTCAP_DOUBLE_STRIKE0x0001 ) |
3431 | force_c_rsb += ins_ttcap->doubleStrikeShift; |
3432 | force_c_rsb += ins_ttcap->force_c_adjust_rsb_by_pixel; |
3433 | force_c_lsb += ins_ttcap->force_c_adjust_lsb_by_pixel; |
3434 | force_c_rsb += ins_ttcap->rsbShiftOfBitmapAutoItalic; |
3435 | force_c_lsb += ins_ttcap->lsbShiftOfBitmapAutoItalic; |
3436 | } |
3437 | |
3438 | /* SET CALCULATED VALUES TO INSTANCE */ |
3439 | |
3440 | /* Set actual height and cosine */ |
3441 | instance->pixel_size = base_height; |
3442 | instance->advance = advance; |
3443 | if ( unit_x != 0 ){ |
3444 | instance->pixel_width_unit_x = unit_x/base_height; |
3445 | instance->pixel_width_unit_y = 0; |
3446 | } |
3447 | else{ |
3448 | instance->pixel_width_unit_x = 0; |
3449 | instance->pixel_width_unit_y = unit_y/base_height; |
3450 | } |
3451 | |
3452 | /* header's metrics */ |
3453 | instance->charcellMetrics = malloc(sizeof(xCharInfo)); |
3454 | if(instance->charcellMetrics == NULL((void*)0)) { |
3455 | xrc = AllocError80; |
3456 | goto quit; |
3457 | } |
3458 | instance->charcellMetrics->ascent = ascent; |
3459 | instance->charcellMetrics->descent = descent; |
3460 | instance->charcellMetrics->attributes = rawWidth; |
3461 | instance->charcellMetrics->rightSideBearing = maxRsb; |
3462 | instance->charcellMetrics->leftSideBearing = minLsb; |
3463 | instance->charcellMetrics->characterWidth = width; |
3464 | instance->averageWidth = averageWidth; |
3465 | instance->rawAverageWidth = rawAverageWidth; |
3466 | |
3467 | /* Check code 0 */ |
3468 | if( FreeTypeInstanceGetGlyph(font->zero_idx, 0, &tmpglyph, font->instance) != Successful85 |
3469 | || tmpglyph == NULL((void*)0)) |
3470 | if( FreeTypeInstanceGetGlyph(font->zero_idx, FT_GET_DUMMY0x04, &tmpglyph, font->instance) |
3471 | != Successful85 ) |
3472 | tmpglyph = NULL((void*)0); |
3473 | if ( !tmpglyph ) { |
3474 | xrc = AllocError80; |
3475 | goto quit; |
3476 | } |
3477 | |
3478 | /* FORCE CONSTANT METRICS */ |
3479 | if( 0 <= ins_ttcap->forceConstantSpacingEnd ) { |
3480 | xCharInfo *tmpchar = NULL((void*)0); |
3481 | int c = ins_ttcap->force_c_representative_metrics_char_code; |
3482 | /* header's metrics */ |
3483 | if( instance->forceConstantMetrics == NULL((void*)0) ){ |
3484 | instance->forceConstantMetrics = malloc(sizeof(xCharInfo)); |
3485 | if(instance->forceConstantMetrics == NULL((void*)0)) { |
3486 | xrc = AllocError80; |
3487 | goto quit; |
3488 | } |
3489 | } |
3490 | /* Get Representative Metrics */ |
3491 | if ( 0 <= c ) { |
3492 | if( FreeTypeFontGetGlyphMetrics(c, 0, &tmpchar, font) != Successful85 ) |
3493 | tmpchar = NULL((void*)0); |
3494 | } |
3495 | if ( tmpchar && 0 < tmpchar->characterWidth ) { |
3496 | instance->forceConstantMetrics->leftSideBearing = tmpchar->leftSideBearing; |
3497 | instance->forceConstantMetrics->rightSideBearing = tmpchar->rightSideBearing; |
3498 | instance->forceConstantMetrics->characterWidth = tmpchar->characterWidth; |
3499 | instance->forceConstantMetrics->ascent = tmpchar->ascent; |
3500 | instance->forceConstantMetrics->descent = tmpchar->descent; |
3501 | instance->forceConstantMetrics->attributes = tmpchar->attributes; |
3502 | } |
3503 | else { |
3504 | instance->forceConstantMetrics->leftSideBearing = force_c_lsb; |
3505 | instance->forceConstantMetrics->rightSideBearing = force_c_rsb; |
3506 | instance->forceConstantMetrics->characterWidth = force_c_width; |
3507 | instance->forceConstantMetrics->ascent = ascent; |
3508 | instance->forceConstantMetrics->descent = descent; |
3509 | instance->forceConstantMetrics->attributes = force_c_rawWidth; |
3510 | } |
3511 | /* Check code 0 */ |
3512 | if( FreeTypeInstanceGetGlyph(font->zero_idx, FT_FORCE_CONSTANT_SPACING0x08, |
3513 | &tmpglyph, font->instance) != Successful85 |
3514 | || tmpglyph == NULL((void*)0)) |
3515 | if( FreeTypeInstanceGetGlyph(font->zero_idx, FT_FORCE_CONSTANT_SPACING0x08 | FT_GET_DUMMY0x04, |
3516 | &tmpglyph, font->instance) |
3517 | != Successful85 ) |
3518 | tmpglyph = NULL((void*)0); |
3519 | if ( !tmpglyph ) { |
3520 | xrc = AllocError80; |
3521 | goto quit; |
3522 | } |
3523 | } |
3524 | } |
3525 | else{ |
3526 | |
3527 | /* |
3528 | * CACHED VALUES |
3529 | */ |
3530 | |
3531 | width = instance->charcellMetrics->characterWidth; |
3532 | ascent = instance->charcellMetrics->ascent; |
3533 | descent = instance->charcellMetrics->descent; |
3534 | rawWidth = instance->charcellMetrics->attributes; |
3535 | maxRsb = instance->charcellMetrics->rightSideBearing; |
3536 | minLsb = instance->charcellMetrics->leftSideBearing; |
3537 | averageWidth = instance->averageWidth; |
3538 | rawAverageWidth = instance->rawAverageWidth; |
3539 | |
3540 | } |
3541 | |
3542 | /* |
3543 | * SET maxbounds, minbounds ... |
3544 | */ |
3545 | |
3546 | if( !charcell ) { /* NOT CHARCELL */ |
3547 | if( info ){ |
3548 | /* |
3549 | Calculate all glyphs' metrics. |
3550 | maxbounds.ascent and maxbounds.descent are quite important values |
3551 | for XAA. If ascent/descent of each glyph exceeds |
3552 | maxbounds.ascent/maxbounds.descent, XAA causes SERVER CRASH. |
3553 | Therefore, THIS MUST BE DONE. |
3554 | */ |
3555 | ft_compute_bounds(font,info,vals); |
3556 | } |
3557 | } |
3558 | else{ /* CHARCELL */ |
3559 | |
3560 | /* |
3561 | * SET CALCULATED OR CACHED VARIABLES |
3562 | */ |
3563 | |
3564 | vals->width = averageWidth; |
3565 | |
3566 | if( info ){ |
3567 | |
3568 | info->maxbounds.leftSideBearing = minLsb; |
3569 | info->maxbounds.rightSideBearing = maxRsb; |
3570 | info->maxbounds.characterWidth = width; |
3571 | info->maxbounds.ascent = ascent; |
3572 | info->maxbounds.descent = descent; |
3573 | info->maxbounds.attributes = |
3574 | (unsigned short)(short)rawWidth; |
3575 | |
3576 | info->minbounds = info->maxbounds; |
3577 | } |
3578 | } |
3579 | |
3580 | /* set info */ |
3581 | |
3582 | if( info ){ |
3583 | /* |
3584 | info->fontAscent = ascent; |
3585 | info->fontDescent = descent; |
3586 | */ |
3587 | info->fontAscent = info->maxbounds.ascent; |
3588 | info->fontDescent = info->maxbounds.descent; |
3589 | /* Glyph metrics are accurate */ |
3590 | info->inkMetrics=1; |
3591 | |
3592 | memcpy((char *)&info->ink_maxbounds,__builtin___memcpy_chk ((char *)&info->ink_maxbounds, ( char *)&info->maxbounds, sizeof(xCharInfo), __builtin_object_size ((char *)&info->ink_maxbounds, 0)) |
3593 | (char *)&info->maxbounds, sizeof(xCharInfo))__builtin___memcpy_chk ((char *)&info->ink_maxbounds, ( char *)&info->maxbounds, sizeof(xCharInfo), __builtin_object_size ((char *)&info->ink_maxbounds, 0)); |
3594 | memcpy((char *)&info->ink_minbounds,__builtin___memcpy_chk ((char *)&info->ink_minbounds, ( char *)&info->minbounds, sizeof(xCharInfo), __builtin_object_size ((char *)&info->ink_minbounds, 0)) |
3595 | (char *)&info->minbounds, sizeof(xCharInfo))__builtin___memcpy_chk ((char *)&info->ink_minbounds, ( char *)&info->minbounds, sizeof(xCharInfo), __builtin_object_size ((char *)&info->ink_minbounds, 0)); |
3596 | |
3597 | /* XXX - hack */ |
3598 | info->defaultCh=0; |
3599 | |
3600 | /* Set the pInfo flags */ |
3601 | /* Properties set by FontComputeInfoAccelerators: |
3602 | pInfo->noOverlap; |
3603 | pInfo->terminalFont; |
3604 | pInfo->constantMetrics; |
3605 | pInfo->constantWidth; |
3606 | pInfo->inkInside; |
3607 | */ |
3608 | /* from lib/font/util/fontaccel.c */ |
3609 | FontComputeInfoAccelerators(info); |
3610 | } |
3611 | |
3612 | if(xf) |
3613 | xf->fontPrivate = (void*)font; |
3614 | |
3615 | if(info) { |
3616 | xrc = FreeTypeAddProperties(font, vals, info, entry->name.name, |
3617 | rawAverageWidth, font_properties); |
3618 | if (xrc != Successful85) { |
3619 | goto quit; |
3620 | } |
3621 | } |
3622 | |
3623 | quit: |
3624 | if ( dynStrTTCapCodeRange ) free(dynStrTTCapCodeRange); |
3625 | if ( dynStrFTFileName ) free(dynStrFTFileName); |
3626 | if ( dynStrRealFileName ) free(dynStrRealFileName); |
3627 | if ( xrc != Successful85 ) { |
3628 | if( font ){ |
3629 | if( face && font->instance == NULL((void*)0) ) FreeTypeFreeFace(face); |
3630 | FreeTypeFreeFont(font); |
3631 | } |
3632 | } |
3633 | return xrc; |
3634 | } |
3635 | |
3636 | /* Routines used by X11 to get info and glyphs from the font. */ |
3637 | |
3638 | static int |
3639 | FreeTypeGetMetrics(FontPtr pFont, unsigned long count, unsigned char *chars, |
3640 | FontEncoding charEncoding, unsigned long *metricCount, |
3641 | xCharInfo **metrics) |
3642 | { |
3643 | unsigned int code = 0; |
3644 | int flags = 0; |
3645 | FTFontPtr tf; |
3646 | struct TTCapInfo *ttcap; |
3647 | xCharInfo **mp, *m; |
3648 | |
3649 | /* MUMBLE("Get metrics for %ld characters\n", count);*/ |
3650 | |
3651 | tf = (FTFontPtr)pFont->fontPrivate; |
3652 | ttcap = &tf->instance->ttcap; |
3653 | mp = metrics; |
3654 | |
3655 | while (count-- > 0) { |
3656 | switch (charEncoding) { |
3657 | case Linear8Bit: |
3658 | case TwoD8Bit: |
3659 | code = *chars++; |
3660 | break; |
3661 | case Linear16Bit: |
3662 | case TwoD16Bit: |
3663 | code = (*chars++ << 8); |
3664 | code |= *chars++; |
3665 | /* */ |
3666 | if ( !(ttcap->flags & TTCAP_FORCE_C_OUTSIDE0x0400) ) { |
3667 | if ( (int)code <= ttcap->forceConstantSpacingEnd |
3668 | && ttcap->forceConstantSpacingBegin <= (int)code ) |
3669 | flags|=FT_FORCE_CONSTANT_SPACING0x08; |
3670 | else flags=0; |
3671 | } |
3672 | else { /* for GB18030 proportional */ |
3673 | if ( (int)code <= ttcap->forceConstantSpacingEnd |
3674 | || ttcap->forceConstantSpacingBegin <= (int)code ) |
3675 | flags|=FT_FORCE_CONSTANT_SPACING0x08; |
3676 | else flags=0; |
3677 | } |
3678 | break; |
3679 | } |
3680 | |
3681 | if(FreeTypeFontGetGlyphMetrics(code, flags, &m, tf) == Successful85 && m!=NULL((void*)0)) { |
3682 | *mp++ = m; |
3683 | } |
3684 | #ifdef X_ACCEPTS_NO_SUCH_CHAR |
3685 | else *mp++ = &noSuchChar.metrics; |
3686 | #endif |
3687 | } |
3688 | |
3689 | *metricCount = mp - metrics; |
3690 | return Successful85; |
3691 | } |
3692 | |
3693 | static int |
3694 | FreeTypeGetGlyphs(FontPtr pFont, unsigned long count, unsigned char *chars, |
3695 | FontEncoding charEncoding, unsigned long *glyphCount, |
3696 | CharInfoPtr *glyphs) |
3697 | { |
3698 | unsigned int code = 0; |
3699 | int flags = 0; |
3700 | FTFontPtr tf; |
3701 | CharInfoPtr *gp; |
3702 | CharInfoPtr g; |
3703 | struct TTCapInfo *ttcap; |
3704 | |
3705 | tf = (FTFontPtr)pFont->fontPrivate; |
3706 | ttcap = &tf->instance->ttcap; |
3707 | gp = glyphs; |
3708 | |
3709 | while (count-- > 0) { |
3710 | switch (charEncoding) { |
3711 | case Linear8Bit: case TwoD8Bit: |
3712 | code = *chars++; |
3713 | break; |
3714 | case Linear16Bit: case TwoD16Bit: |
3715 | code = *chars++ << 8; |
3716 | code |= *chars++; |
3717 | /* */ |
3718 | if ( !(ttcap->flags & TTCAP_FORCE_C_OUTSIDE0x0400) ) { |
3719 | if ( (int)code <= ttcap->forceConstantSpacingEnd |
3720 | && ttcap->forceConstantSpacingBegin <= (int)code ) |
3721 | flags|=FT_FORCE_CONSTANT_SPACING0x08; |
3722 | else flags=0; |
3723 | } |
3724 | else { /* for GB18030 proportional */ |
3725 | if ( (int)code <= ttcap->forceConstantSpacingEnd |
3726 | || ttcap->forceConstantSpacingBegin <= (int)code ) |
3727 | flags|=FT_FORCE_CONSTANT_SPACING0x08; |
3728 | else flags=0; |
3729 | } |
3730 | break; |
3731 | } |
3732 | |
3733 | if(FreeTypeFontGetGlyph(code, flags, &g, tf) == Successful85 && g!=NULL((void*)0)) { |
3734 | *gp++ = g; |
3735 | } |
3736 | #ifdef X_ACCEPTS_NO_SUCH_CHAR |
3737 | else { |
3738 | #ifdef XAA_ACCEPTS_NULL_BITS |
3739 | *gp++ = &noSuchChar; |
3740 | #else |
3741 | if ( tf->dummy_char.bits ) { |
3742 | *gp++ = &tf->dummy_char; |
3743 | } |
3744 | else { |
3745 | char *raster = NULL((void*)0); |
3746 | int wd_actual, ht_actual, wd, ht, bpr; |
3747 | wd_actual = tf->info->maxbounds.rightSideBearing - tf->info->maxbounds.leftSideBearing; |
3748 | ht_actual = tf->info->maxbounds.ascent + tf->info->maxbounds.descent; |
3749 | if(wd_actual <= 0) wd = 1; |
3750 | else wd=wd_actual; |
3751 | if(ht_actual <= 0) ht = 1; |
3752 | else ht=ht_actual; |
3753 | bpr = (((wd + (tf->instance->bmfmt.glyph<<3) - 1) >> 3) & |
3754 | -tf->instance->bmfmt.glyph); |
3755 | raster = calloc(1, ht * bpr); |
3756 | if(raster) { |
3757 | tf->dummy_char.bits = raster; |
3758 | *gp++ = &tf->dummy_char; |
3759 | } |
3760 | } |
3761 | #endif |
3762 | } |
3763 | #endif |
3764 | } |
3765 | |
3766 | *glyphCount = gp - glyphs; |
3767 | return Successful85; |
3768 | } |
3769 | |
3770 | static int |
3771 | FreeTypeSetUpFont(FontPathElementPtr fpe, FontPtr xf, FontInfoPtr info, |
3772 | fsBitmapFormat format, fsBitmapFormatMask fmask, |
3773 | FontBitmapFormatPtr bmfmt) |
3774 | { |
3775 | int xrc; |
3776 | int image; |
3777 | |
3778 | /* Get the default bitmap format information for this X installation. |
3779 | Also update it for the client if running in the font server. */ |
3780 | FontDefaultFormat(&bmfmt->bit, &bmfmt->byte, &bmfmt->glyph, &bmfmt->scan); |
3781 | if ((xrc = CheckFSFormat(format, fmask, &bmfmt->bit, &bmfmt->byte, |
3782 | &bmfmt->scan, &bmfmt->glyph, |
3783 | &image)) != Successful85) { |
3784 | MUMBLE("Aborting after checking FS format: %d\n", xrc); |
3785 | return xrc; |
3786 | } |
3787 | |
3788 | if(xf) { |
3789 | xf->refcnt = 0; |
3790 | xf->bit = bmfmt->bit; |
3791 | xf->byte = bmfmt->byte; |
3792 | xf->glyph = bmfmt->glyph; |
3793 | xf->scan = bmfmt->scan; |
3794 | xf->format = format; |
3795 | xf->get_glyphs = FreeTypeGetGlyphs; |
3796 | xf->get_metrics = FreeTypeGetMetrics; |
3797 | xf->unload_font = FreeTypeUnloadXFont; |
3798 | xf->unload_glyphs = 0; |
3799 | xf->fpe = fpe; |
3800 | xf->svrPrivate = 0; |
3801 | xf->fontPrivate = 0; /* we'll set it later */ |
3802 | xf->fpePrivate = 0; |
3803 | } |
3804 | |
3805 | info->defaultCh = 0; |
3806 | info->noOverlap = 0; /* not updated */ |
3807 | info->terminalFont = 0; /* not updated */ |
3808 | info->constantMetrics = 0; /* we'll set it later */ |
3809 | info->constantWidth = 0; /* we'll set it later */ |
3810 | info->inkInside = 1; |
3811 | info->inkMetrics = 1; |
3812 | info->allExist=0; /* not updated */ |
3813 | info->drawDirection = LeftToRight0; /* we'll set it later */ |
3814 | info->cachable = 1; /* we don't do licensing */ |
3815 | info->anamorphic = 0; /* can hinting lead to anamorphic scaling? */ |
3816 | info->maxOverlap = 0; /* we'll set it later. */ |
3817 | info->pad = 0; /* ??? */ |
3818 | return Successful85; |
3819 | } |
3820 | |
3821 | /* Functions exported by the backend */ |
3822 | |
3823 | static int |
3824 | FreeTypeOpenScalable(FontPathElementPtr fpe, FontPtr *ppFont, int flags, |
3825 | FontEntryPtr entry, char *fileName, FontScalablePtr vals, |
3826 | fsBitmapFormat format, fsBitmapFormatMask fmask, |
3827 | FontPtr non_cachable_font) |
3828 | { |
3829 | int xrc; |
3830 | FontPtr xf; |
3831 | FontBitmapFormatRec bmfmt; |
3832 | |
3833 | MUMBLE("Open Scalable %s, XLFD=%s\n",fileName, entry->name.length ? entry->name.name : ""); |
3834 | |
3835 | xf = CreateFontRec(); |
3836 | if (xf == NULL((void*)0)) |
3837 | return AllocError80; |
3838 | |
3839 | xrc = FreeTypeSetUpFont(fpe, xf, &xf->info, format, fmask, &bmfmt); |
3840 | if(xrc != Successful85) { |
3841 | DestroyFontRec(xf); |
3842 | return xrc; |
3843 | } |
3844 | xrc = FreeTypeLoadXFont(fileName, vals, xf, &xf->info, &bmfmt, entry); |
3845 | if(xrc != Successful85) { |
3846 | MUMBLE("Error during load: %d\n",xrc); |
3847 | DestroyFontRec(xf); |
3848 | return xrc; |
3849 | } |
3850 | |
3851 | *ppFont = xf; |
3852 | |
3853 | return xrc; |
3854 | } |
3855 | |
3856 | /* Routine to get requested font info. */ |
3857 | |
3858 | static int |
3859 | FreeTypeGetInfoScalable(FontPathElementPtr fpe, FontInfoPtr info, |
3860 | FontEntryPtr entry, FontNamePtr fontName, |
3861 | char *fileName, FontScalablePtr vals) |
3862 | { |
3863 | int xrc; |
3864 | FontBitmapFormatRec bmfmt; |
3865 | |
3866 | MUMBLE("Get info, XLFD=%s\n", entry->name.length ? entry->name.name : ""); |
3867 | |
3868 | xrc = FreeTypeSetUpFont(fpe, 0, info, 0, 0, &bmfmt); |
3869 | if(xrc != Successful85) { |
3870 | return xrc; |
3871 | } |
3872 | |
3873 | bmfmt.glyph <<= 3; |
3874 | |
3875 | xrc = FreeTypeLoadXFont(fileName, vals, 0, info, &bmfmt, entry); |
3876 | if(xrc != Successful85) { |
3877 | MUMBLE("Error during load: %d\n", xrc); |
3878 | return xrc; |
3879 | } |
3880 | |
3881 | return Successful85; |
3882 | } |
3883 | |
3884 | /* Renderer registration. */ |
3885 | |
3886 | /* Set the capabilities of this renderer. */ |
3887 | #define CAPABILITIES(0x2 | 0x1) (CAP_CHARSUBSETTING0x2 | CAP_MATRIX0x1) |
3888 | |
3889 | /* Set it up so file names with either upper or lower case can be |
3890 | loaded. We don't support compressed fonts. */ |
3891 | static FontRendererRec renderers[] = { |
3892 | {".ttf", 4, 0, FreeTypeOpenScalable, 0, |
3893 | FreeTypeGetInfoScalable, 0, CAPABILITIES(0x2 | 0x1)}, |
3894 | {".ttc", 4, 0, FreeTypeOpenScalable, 0, |
3895 | FreeTypeGetInfoScalable, 0, CAPABILITIES(0x2 | 0x1)}, |
3896 | {".otf", 4, 0, FreeTypeOpenScalable, 0, |
3897 | FreeTypeGetInfoScalable, 0, CAPABILITIES(0x2 | 0x1)}, |
3898 | {".otc", 4, 0, FreeTypeOpenScalable, 0, |
3899 | FreeTypeGetInfoScalable, 0, CAPABILITIES(0x2 | 0x1)}, |
3900 | {".pfa", 4, 0, FreeTypeOpenScalable, 0, |
3901 | FreeTypeGetInfoScalable, 0, CAPABILITIES(0x2 | 0x1)}, |
3902 | {".pfb", 4, 0, FreeTypeOpenScalable, 0, |
3903 | FreeTypeGetInfoScalable, 0, CAPABILITIES(0x2 | 0x1)}, |
3904 | }; |
3905 | static int num_renderers = sizeof(renderers) / sizeof(renderers[0]); |
3906 | |
3907 | static FontRendererRec alt_renderers[] = { |
3908 | {".bdf", 4, 0, FreeTypeOpenScalable, 0, |
3909 | FreeTypeGetInfoScalable, 0, CAPABILITIES(0x2 | 0x1)}, |
3910 | {".pcf", 4, 0, FreeTypeOpenScalable, 0, |
3911 | FreeTypeGetInfoScalable, 0, CAPABILITIES(0x2 | 0x1)}, |
3912 | }; |
3913 | |
3914 | static int num_alt_renderers = |
3915 | sizeof(alt_renderers) / sizeof(alt_renderers[0]); |
3916 | |
3917 | |
3918 | void |
3919 | FreeTypeRegisterFontFileFunctions(void) |
3920 | { |
3921 | int i; |
3922 | |
3923 | for (i = 0; i < num_renderers; i++) |
3924 | FontFileRegisterRenderer(&renderers[i]); |
3925 | |
3926 | for (i = 0; i < num_alt_renderers; i++) |
3927 | FontFilePriorityRegisterRenderer(&alt_renderers[i], -10); |
3928 | } |