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Disabling auto-refresh of game list by default, as it is causing bugs sometimes
[open-ps2-loader.git] / thirdparty / freetype-2.3.12 / src / cff / cffdrivr.c
blobdad0b65d8b1fe123340e0cfda2be107b23aaec07
1 /***************************************************************************/
2 /* */
3 /* cffdrivr.c */
4 /* */
5 /* OpenType font driver implementation (body). */
6 /* */
7 /* Copyright 1996-2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 by */
8 /* David Turner, Robert Wilhelm, and Werner Lemberg. */
9 /* */
10 /* This file is part of the FreeType project, and may only be used, */
11 /* modified, and distributed under the terms of the FreeType project */
12 /* license, LICENSE.TXT. By continuing to use, modify, or distribute */
13 /* this file you indicate that you have read the license and */
14 /* understand and accept it fully. */
15 /* */
16 /***************************************************************************/
17
18
19 #include <ft2build.h>
20 #include FT_FREETYPE_H
21 #include FT_INTERNAL_DEBUG_H
22 #include FT_INTERNAL_STREAM_H
23 #include FT_INTERNAL_SFNT_H
24 #include FT_SERVICE_CID_H
25 #include FT_SERVICE_POSTSCRIPT_CMAPS_H
26 #include FT_SERVICE_POSTSCRIPT_INFO_H
27 #include FT_SERVICE_POSTSCRIPT_NAME_H
28 #include FT_SERVICE_TT_CMAP_H
29
30 #include "cffdrivr.h"
31 #include "cffgload.h"
32 #include "cffload.h"
33 #include "cffcmap.h"
34 #include "cffparse.h"
35
36 #include "cfferrs.h"
37 #include "cffpic.h"
38
39 #include FT_SERVICE_XFREE86_NAME_H
40 #include FT_SERVICE_GLYPH_DICT_H
41
42
43 /*************************************************************************/
44 /* */
45 /* The macro FT_COMPONENT is used in trace mode. It is an implicit */
46 /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */
47 /* messages during execution. */
48 /* */
49 #undef FT_COMPONENT
50 #define FT_COMPONENT trace_cffdriver
51
52
53 /*************************************************************************/
54 /*************************************************************************/
55 /*************************************************************************/
56 /**** ****/
57 /**** ****/
58 /**** F A C E S ****/
59 /**** ****/
60 /**** ****/
61 /*************************************************************************/
62 /*************************************************************************/
63 /*************************************************************************/
64
65
66 #undef PAIR_TAG
67 #define PAIR_TAG( left, right ) ( ( (FT_ULong)left << 16 ) | \
68 (FT_ULong)right )
69
70
71 /*************************************************************************/
72 /* */
73 /* <Function> */
74 /* cff_get_kerning */
75 /* */
76 /* <Description> */
77 /* A driver method used to return the kerning vector between two */
78 /* glyphs of the same face. */
79 /* */
80 /* <Input> */
81 /* face :: A handle to the source face object. */
82 /* */
83 /* left_glyph :: The index of the left glyph in the kern pair. */
84 /* */
85 /* right_glyph :: The index of the right glyph in the kern pair. */
86 /* */
87 /* <Output> */
88 /* kerning :: The kerning vector. This is in font units for */
89 /* scalable formats, and in pixels for fixed-sizes */
90 /* formats. */
91 /* */
92 /* <Return> */
93 /* FreeType error code. 0 means success. */
94 /* */
95 /* <Note> */
96 /* Only horizontal layouts (left-to-right & right-to-left) are */
97 /* supported by this function. Other layouts, or more sophisticated */
98 /* kernings, are out of scope of this method (the basic driver */
99 /* interface is meant to be simple). */
100 /* */
101 /* They can be implemented by format-specific interfaces. */
102 /* */
103 FT_CALLBACK_DEF( FT_Error )
104 cff_get_kerning( FT_Face ttface, /* TT_Face */
105 FT_UInt left_glyph,
106 FT_UInt right_glyph,
107 FT_Vector* kerning )
108 {
109 TT_Face face = (TT_Face)ttface;
110 SFNT_Service sfnt = (SFNT_Service)face->sfnt;
111
112
113 kerning->x = 0;
114 kerning->y = 0;
115
116 if ( sfnt )
117 kerning->x = sfnt->get_kerning( face, left_glyph, right_glyph );
118
119 return CFF_Err_Ok;
120 }
121
122
123 #undef PAIR_TAG
124
125
126 /*************************************************************************/
127 /* */
128 /* <Function> */
129 /* Load_Glyph */
130 /* */
131 /* <Description> */
132 /* A driver method used to load a glyph within a given glyph slot. */
133 /* */
134 /* <Input> */
135 /* slot :: A handle to the target slot object where the glyph */
136 /* will be loaded. */
137 /* */
138 /* size :: A handle to the source face size at which the glyph */
139 /* must be scaled, loaded, etc. */
140 /* */
141 /* glyph_index :: The index of the glyph in the font file. */
142 /* */
143 /* load_flags :: A flag indicating what to load for this glyph. The */
144 /* FT_LOAD_??? constants can be used to control the */
145 /* glyph loading process (e.g., whether the outline */
146 /* should be scaled, whether to load bitmaps or not, */
147 /* whether to hint the outline, etc). */
148 /* */
149 /* <Return> */
150 /* FreeType error code. 0 means success. */
151 /* */
152 FT_CALLBACK_DEF( FT_Error )
153 Load_Glyph( FT_GlyphSlot cffslot, /* CFF_GlyphSlot */
154 FT_Size cffsize, /* CFF_Size */
155 FT_UInt glyph_index,
156 FT_Int32 load_flags )
157 {
158 FT_Error error;
159 CFF_GlyphSlot slot = (CFF_GlyphSlot)cffslot;
160 CFF_Size size = (CFF_Size)cffsize;
161
162
163 if ( !slot )
164 return CFF_Err_Invalid_Slot_Handle;
165
166 /* check whether we want a scaled outline or bitmap */
167 if ( !size )
168 load_flags |= FT_LOAD_NO_SCALE | FT_LOAD_NO_HINTING;
169
170 /* reset the size object if necessary */
171 if ( load_flags & FT_LOAD_NO_SCALE )
172 size = NULL;
173
174 if ( size )
175 {
176 /* these two objects must have the same parent */
177 if ( cffsize->face != cffslot->face )
178 return CFF_Err_Invalid_Face_Handle;
179 }
180
181 /* now load the glyph outline if necessary */
182 error = cff_slot_load( slot, size, glyph_index, load_flags );
183
184 /* force drop-out mode to 2 - irrelevant now */
185 /* slot->outline.dropout_mode = 2; */
186
187 return error;
188 }
189
190
191 FT_CALLBACK_DEF( FT_Error )
192 cff_get_advances( FT_Face face,
193 FT_UInt start,
194 FT_UInt count,
195 FT_Int32 flags,
196 FT_Fixed* advances )
197 {
198 FT_UInt nn;
199 FT_Error error = CFF_Err_Ok;
200 FT_GlyphSlot slot = face->glyph;
201
202
203 flags |= (FT_UInt32)FT_LOAD_ADVANCE_ONLY;
204
205 for ( nn = 0; nn < count; nn++ )
206 {
207 error = Load_Glyph( slot, face->size, start + nn, flags );
208 if ( error )
209 break;
210
211 advances[nn] = ( flags & FT_LOAD_VERTICAL_LAYOUT )
212 ? slot->linearVertAdvance
213 : slot->linearHoriAdvance;
214 }
215
216 return error;
217 }
218
219
220 /*
221 * GLYPH DICT SERVICE
222 *
223 */
224
225 static FT_Error
226 cff_get_glyph_name( CFF_Face face,
227 FT_UInt glyph_index,
228 FT_Pointer buffer,
229 FT_UInt buffer_max )
230 {
231 CFF_Font font = (CFF_Font)face->extra.data;
232 FT_Memory memory = FT_FACE_MEMORY( face );
233 FT_String* gname;
234 FT_UShort sid;
235 FT_Service_PsCMaps psnames;
236 FT_Error error;
237
238
239 FT_FACE_FIND_GLOBAL_SERVICE( face, psnames, POSTSCRIPT_CMAPS );
240 if ( !psnames )
241 {
242 FT_ERROR(( "cff_get_glyph_name:"
243 " cannot get glyph name from CFF & CEF fonts\n"
244 " "
245 " without the `PSNames' module\n" ));
246 error = CFF_Err_Unknown_File_Format;
247 goto Exit;
248 }
249
250 /* first, locate the sid in the charset table */
251 sid = font->charset.sids[glyph_index];
252
253 /* now, lookup the name itself */
254 gname = cff_index_get_sid_string( &font->string_index, sid, psnames );
255
256 if ( gname )
257 FT_STRCPYN( buffer, gname, buffer_max );
258
259 FT_FREE( gname );
260 error = CFF_Err_Ok;
261
262 Exit:
263 return error;
264 }
265
266
267 static FT_UInt
268 cff_get_name_index( CFF_Face face,
269 FT_String* glyph_name )
270 {
271 CFF_Font cff;
272 CFF_Charset charset;
273 FT_Service_PsCMaps psnames;
274 FT_Memory memory = FT_FACE_MEMORY( face );
275 FT_String* name;
276 FT_UShort sid;
277 FT_UInt i;
278 FT_Int result;
279
280
281 cff = (CFF_FontRec *)face->extra.data;
282 charset = &cff->charset;
283
284 FT_FACE_FIND_GLOBAL_SERVICE( face, psnames, POSTSCRIPT_CMAPS );
285 if ( !psnames )
286 return 0;
287
288 for ( i = 0; i < cff->num_glyphs; i++ )
289 {
290 sid = charset->sids[i];
291
292 if ( sid > 390 )
293 name = cff_index_get_name( &cff->string_index, sid - 391 );
294 else
295 name = (FT_String *)psnames->adobe_std_strings( sid );
296
297 if ( !name )
298 continue;
299
300 result = ft_strcmp( glyph_name, name );
301
302 if ( sid > 390 )
303 FT_FREE( name );
304
305 if ( !result )
306 return i;
307 }
308
309 return 0;
310 }
311
312
313 FT_DEFINE_SERVICE_GLYPHDICTREC(cff_service_glyph_dict,
314 (FT_GlyphDict_GetNameFunc) cff_get_glyph_name,
315 (FT_GlyphDict_NameIndexFunc)cff_get_name_index
316 )
317
318
319 /*
320 * POSTSCRIPT INFO SERVICE
321 *
322 */
323
324 static FT_Int
325 cff_ps_has_glyph_names( FT_Face face )
326 {
327 return ( face->face_flags & FT_FACE_FLAG_GLYPH_NAMES ) > 0;
328 }
329
330
331 static FT_Error
332 cff_ps_get_font_info( CFF_Face face,
333 PS_FontInfoRec* afont_info )
334 {
335 CFF_Font cff = (CFF_Font)face->extra.data;
336 FT_Error error = FT_Err_Ok;
337
338
339 if ( cff && cff->font_info == NULL )
340 {
341 CFF_FontRecDict dict = &cff->top_font.font_dict;
342 PS_FontInfoRec *font_info;
343 FT_Memory memory = face->root.memory;
344 FT_Service_PsCMaps psnames = (FT_Service_PsCMaps)cff->psnames;
345
346
347 if ( FT_ALLOC( font_info, sizeof ( *font_info ) ) )
348 goto Fail;
349
350 font_info->version = cff_index_get_sid_string( &cff->string_index,
351 dict->version,
352 psnames );
353 font_info->notice = cff_index_get_sid_string( &cff->string_index,
354 dict->notice,
355 psnames );
356 font_info->full_name = cff_index_get_sid_string( &cff->string_index,
357 dict->full_name,
358 psnames );
359 font_info->family_name = cff_index_get_sid_string( &cff->string_index,
360 dict->family_name,
361 psnames );
362 font_info->weight = cff_index_get_sid_string( &cff->string_index,
363 dict->weight,
364 psnames );
365 font_info->italic_angle = dict->italic_angle;
366 font_info->is_fixed_pitch = dict->is_fixed_pitch;
367 font_info->underline_position = (FT_Short)dict->underline_position;
368 font_info->underline_thickness = (FT_Short)dict->underline_thickness;
369
370 cff->font_info = font_info;
371 }
372
373 if ( cff )
374 *afont_info = *cff->font_info;
375
376 Fail:
377 return error;
378 }
379
380
381 FT_DEFINE_SERVICE_PSINFOREC(cff_service_ps_info,
382 (PS_GetFontInfoFunc) cff_ps_get_font_info,
383 (PS_GetFontExtraFunc) NULL,
384 (PS_HasGlyphNamesFunc) cff_ps_has_glyph_names,
385 (PS_GetFontPrivateFunc)NULL /* unsupported with CFF fonts */
386 )
387
388
389 /*
390 * POSTSCRIPT NAME SERVICE
391 *
392 */
393
394 static const char*
395 cff_get_ps_name( CFF_Face face )
396 {
397 CFF_Font cff = (CFF_Font)face->extra.data;
398
399
400 return (const char*)cff->font_name;
401 }
402
403
404 FT_DEFINE_SERVICE_PSFONTNAMEREC(cff_service_ps_name,
405 (FT_PsName_GetFunc)cff_get_ps_name
406 )
407
408
409 /*
410 * TT CMAP INFO
411 *
412 * If the charmap is a synthetic Unicode encoding cmap or
413 * a Type 1 standard (or expert) encoding cmap, hide TT CMAP INFO
414 * service defined in SFNT module.
415 *
416 * Otherwise call the service function in the sfnt module.
417 *
418 */
419 static FT_Error
420 cff_get_cmap_info( FT_CharMap charmap,
421 TT_CMapInfo *cmap_info )
422 {
423 FT_CMap cmap = FT_CMAP( charmap );
424 FT_Error error = CFF_Err_Ok;
425 FT_Face face = FT_CMAP_FACE( cmap );
426 FT_Library library = FT_FACE_LIBRARY( face );
427
428
429 cmap_info->language = 0;
430 cmap_info->format = 0;
431
432 if ( cmap->clazz != &FT_CFF_CMAP_ENCODING_CLASS_REC_GET &&
433 cmap->clazz != &FT_CFF_CMAP_UNICODE_CLASS_REC_GET )
434 {
435 FT_Module sfnt = FT_Get_Module( library, "sfnt" );
436 FT_Service_TTCMaps service =
437 (FT_Service_TTCMaps)ft_module_get_service( sfnt,
438 FT_SERVICE_ID_TT_CMAP );
439
440
441 if ( service && service->get_cmap_info )
442 error = service->get_cmap_info( charmap, cmap_info );
443 }
444
445 return error;
446 }
447
448
449 FT_DEFINE_SERVICE_TTCMAPSREC(cff_service_get_cmap_info,
450 (TT_CMap_Info_GetFunc)cff_get_cmap_info
451 )
452
453
454 /*
455 * CID INFO SERVICE
456 *
457 */
458 static FT_Error
459 cff_get_ros( CFF_Face face,
460 const char* *registry,
461 const char* *ordering,
462 FT_Int *supplement )
463 {
464 FT_Error error = CFF_Err_Ok;
465 CFF_Font cff = (CFF_Font)face->extra.data;
466
467
468 if ( cff )
469 {
470 CFF_FontRecDict dict = &cff->top_font.font_dict;
471 FT_Service_PsCMaps psnames = (FT_Service_PsCMaps)cff->psnames;
472
473
474 if ( dict->cid_registry == 0xFFFFU )
475 {
476 error = CFF_Err_Invalid_Argument;
477 goto Fail;
478 }
479
480 if ( registry )
481 {
482 if ( cff->registry == NULL )
483 cff->registry = cff_index_get_sid_string( &cff->string_index,
484 dict->cid_registry,
485 psnames );
486 *registry = cff->registry;
487 }
488
489 if ( ordering )
490 {
491 if ( cff->ordering == NULL )
492 cff->ordering = cff_index_get_sid_string( &cff->string_index,
493 dict->cid_ordering,
494 psnames );
495 *ordering = cff->ordering;
496 }
497
498 /*
499 * XXX: According to Adobe TechNote #5176, the supplement in CFF
500 * can be a real number. We truncate it to fit public API
501 * since freetype-2.3.6.
502 */
503 if ( supplement )
504 {
505 if ( dict->cid_supplement < FT_INT_MIN ||
506 dict->cid_supplement > FT_INT_MAX )
507 FT_TRACE1(( "cff_get_ros: too large supplement %d is truncated\n",
508 dict->cid_supplement ));
509 *supplement = (FT_Int)dict->cid_supplement;
510 }
511 }
512
513 Fail:
514 return error;
515 }
516
517
518 static FT_Error
519 cff_get_is_cid( CFF_Face face,
520 FT_Bool *is_cid )
521 {
522 FT_Error error = CFF_Err_Ok;
523 CFF_Font cff = (CFF_Font)face->extra.data;
524
525
526 *is_cid = 0;
527
528 if ( cff )
529 {
530 CFF_FontRecDict dict = &cff->top_font.font_dict;
531
532
533 if ( dict->cid_registry != 0xFFFFU )
534 *is_cid = 1;
535 }
536
537 return error;
538 }
539
540
541 static FT_Error
542 cff_get_cid_from_glyph_index( CFF_Face face,
543 FT_UInt glyph_index,
544 FT_UInt *cid )
545 {
546 FT_Error error = CFF_Err_Ok;
547 CFF_Font cff;
548
549
550 cff = (CFF_Font)face->extra.data;
551
552 if ( cff )
553 {
554 FT_UInt c;
555 CFF_FontRecDict dict = &cff->top_font.font_dict;
556
557
558 if ( dict->cid_registry == 0xFFFFU )
559 {
560 error = CFF_Err_Invalid_Argument;
561 goto Fail;
562 }
563
564 if ( glyph_index > cff->num_glyphs )
565 {
566 error = CFF_Err_Invalid_Argument;
567 goto Fail;
568 }
569
570 c = cff->charset.sids[glyph_index];
571
572 if ( cid )
573 *cid = c;
574 }
575
576 Fail:
577 return error;
578 }
579
580
581 FT_DEFINE_SERVICE_CIDREC(cff_service_cid_info,
582 (FT_CID_GetRegistryOrderingSupplementFunc)cff_get_ros,
583 (FT_CID_GetIsInternallyCIDKeyedFunc) cff_get_is_cid,
584 (FT_CID_GetCIDFromGlyphIndexFunc) cff_get_cid_from_glyph_index
585 )
586
587
588 /*************************************************************************/
589 /*************************************************************************/
590 /*************************************************************************/
591 /**** ****/
592 /**** ****/
593 /**** D R I V E R I N T E R F A C E ****/
594 /**** ****/
595 /**** ****/
596 /*************************************************************************/
597 /*************************************************************************/
598 /*************************************************************************/
599 #ifndef FT_CONFIG_OPTION_NO_GLYPH_NAMES
600 FT_DEFINE_SERVICEDESCREC6(cff_services,
601 FT_SERVICE_ID_XF86_NAME, FT_XF86_FORMAT_CFF,
602 FT_SERVICE_ID_POSTSCRIPT_INFO, &FT_CFF_SERVICE_PS_INFO_GET,
603 FT_SERVICE_ID_POSTSCRIPT_FONT_NAME, &FT_CFF_SERVICE_PS_NAME_GET,
604 FT_SERVICE_ID_GLYPH_DICT, &FT_CFF_SERVICE_GLYPH_DICT_GET,
605 FT_SERVICE_ID_TT_CMAP, &FT_CFF_SERVICE_GET_CMAP_INFO_GET,
606 FT_SERVICE_ID_CID, &FT_CFF_SERVICE_CID_INFO_GET
607 )
608 #else
609 FT_DEFINE_SERVICEDESCREC5(cff_services,
610 FT_SERVICE_ID_XF86_NAME, FT_XF86_FORMAT_CFF,
611 FT_SERVICE_ID_POSTSCRIPT_INFO, &FT_CFF_SERVICE_PS_INFO_GET,
612 FT_SERVICE_ID_POSTSCRIPT_FONT_NAME, &FT_CFF_SERVICE_PS_NAME_GET,
613 FT_SERVICE_ID_TT_CMAP, &FT_CFF_SERVICE_GET_CMAP_INFO_GET,
614 FT_SERVICE_ID_CID, &FT_CFF_SERVICE_CID_INFO_GET
615 )
616 #endif
617
618 FT_CALLBACK_DEF( FT_Module_Interface )
619 cff_get_interface( FT_Module driver, /* CFF_Driver */
620 const char* module_interface )
621 {
622 FT_Module sfnt;
623 FT_Module_Interface result;
624
625
626 result = ft_service_list_lookup( FT_CFF_SERVICES_GET, module_interface );
627 if ( result != NULL )
628 return result;
629
630 if ( !driver )
631 return NULL;
632
633 /* we pass our request to the `sfnt' module */
634 sfnt = FT_Get_Module( driver->library, "sfnt" );
635
636 return sfnt ? sfnt->clazz->get_interface( sfnt, module_interface ) : 0;
637 }
638
639
640 /* The FT_DriverInterface structure is defined in ftdriver.h. */
641
642 #ifdef TT_CONFIG_OPTION_EMBEDDED_BITMAPS
643 #define CFF_SIZE_SELECT cff_size_select
644 #else
645 #define CFF_SIZE_SELECT 0
646 #endif
647
648 FT_DEFINE_DRIVER(cff_driver_class,
649 FT_MODULE_FONT_DRIVER |
650 FT_MODULE_DRIVER_SCALABLE |
651 FT_MODULE_DRIVER_HAS_HINTER,
652
653 sizeof( CFF_DriverRec ),
654 "cff",
655 0x10000L,
656 0x20000L,
657
658 0, /* module-specific interface */
659
660 cff_driver_init,
661 cff_driver_done,
662 cff_get_interface,
663
664 /* now the specific driver fields */
665 sizeof( TT_FaceRec ),
666 sizeof( CFF_SizeRec ),
667 sizeof( CFF_GlyphSlotRec ),
668
669 cff_face_init,
670 cff_face_done,
671 cff_size_init,
672 cff_size_done,
673 cff_slot_init,
674 cff_slot_done,
675
676 ft_stub_set_char_sizes, /* FT_CONFIG_OPTION_OLD_INTERNALS */
677 ft_stub_set_pixel_sizes, /* FT_CONFIG_OPTION_OLD_INTERNALS */
678
679 Load_Glyph,
680
681 cff_get_kerning,
682 0, /* FT_Face_AttachFunc */
683 cff_get_advances, /* FT_Face_GetAdvancesFunc */
684
685 cff_size_request,
686
687 CFF_SIZE_SELECT
688 )
689
690
691 /* END */
Open USB/SMB/HDD Game Loader for PS2/PS3