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view libs/ft2static/freetype/internal/ftobjs.h @ 0:b2f14e535253
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| author | John Tsiombikas <nuclear@member.fsf.org> |
|---|---|
| date | Sat, 01 Feb 2014 19:58:19 +0200 |
| parents | |
| children |
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1 /***************************************************************************/
2 /* */
3 /* ftobjs.h */
4 /* */
5 /* The FreeType private base classes (specification). */
6 /* */
7 /* Copyright 1996-2001, 2002, 2003, 2004, 2005, 2006, 2008, 2010 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 /***************************************************************************/
19 /*************************************************************************/
20 /* */
21 /* This file contains the definition of all internal FreeType classes. */
22 /* */
23 /*************************************************************************/
26 #ifndef __FTOBJS_H__
27 #define __FTOBJS_H__
29 #include <ft2build.h>
30 #include FT_RENDER_H
31 #include FT_SIZES_H
32 #include FT_LCD_FILTER_H
33 #include FT_INTERNAL_MEMORY_H
34 #include FT_INTERNAL_GLYPH_LOADER_H
35 #include FT_INTERNAL_DRIVER_H
36 #include FT_INTERNAL_AUTOHINT_H
37 #include FT_INTERNAL_SERVICE_H
38 #include FT_INTERNAL_PIC_H
40 #ifdef FT_CONFIG_OPTION_INCREMENTAL
41 #include FT_INCREMENTAL_H
42 #endif
45 FT_BEGIN_HEADER
48 /*************************************************************************/
49 /* */
50 /* Some generic definitions. */
51 /* */
52 #ifndef TRUE
53 #define TRUE 1
54 #endif
56 #ifndef FALSE
57 #define FALSE 0
58 #endif
60 #ifndef NULL
61 #define NULL (void*)0
62 #endif
65 /*************************************************************************/
66 /* */
67 /* The min and max functions missing in C. As usual, be careful not to */
68 /* write things like FT_MIN( a++, b++ ) to avoid side effects. */
69 /* */
70 #define FT_MIN( a, b ) ( (a) < (b) ? (a) : (b) )
71 #define FT_MAX( a, b ) ( (a) > (b) ? (a) : (b) )
73 #define FT_ABS( a ) ( (a) < 0 ? -(a) : (a) )
76 #define FT_PAD_FLOOR( x, n ) ( (x) & ~((n)-1) )
77 #define FT_PAD_ROUND( x, n ) FT_PAD_FLOOR( (x) + ((n)/2), n )
78 #define FT_PAD_CEIL( x, n ) FT_PAD_FLOOR( (x) + ((n)-1), n )
80 #define FT_PIX_FLOOR( x ) ( (x) & ~63 )
81 #define FT_PIX_ROUND( x ) FT_PIX_FLOOR( (x) + 32 )
82 #define FT_PIX_CEIL( x ) FT_PIX_FLOOR( (x) + 63 )
85 /*
86 * Return the highest power of 2 that is <= value; this correspond to
87 * the highest bit in a given 32-bit value.
88 */
89 FT_BASE( FT_UInt32 )
90 ft_highpow2( FT_UInt32 value );
93 /*
94 * character classification functions -- since these are used to parse
95 * font files, we must not use those in <ctypes.h> which are
96 * locale-dependent
97 */
98 #define ft_isdigit( x ) ( ( (unsigned)(x) - '0' ) < 10U )
100 #define ft_isxdigit( x ) ( ( (unsigned)(x) - '0' ) < 10U || \
101 ( (unsigned)(x) - 'a' ) < 6U || \
102 ( (unsigned)(x) - 'A' ) < 6U )
104 /* the next two macros assume ASCII representation */
105 #define ft_isupper( x ) ( ( (unsigned)(x) - 'A' ) < 26U )
106 #define ft_islower( x ) ( ( (unsigned)(x) - 'a' ) < 26U )
108 #define ft_isalpha( x ) ( ft_isupper( x ) || ft_islower( x ) )
109 #define ft_isalnum( x ) ( ft_isdigit( x ) || ft_isalpha( x ) )
112 /*************************************************************************/
113 /*************************************************************************/
114 /*************************************************************************/
115 /**** ****/
116 /**** ****/
117 /**** C H A R M A P S ****/
118 /**** ****/
119 /**** ****/
120 /*************************************************************************/
121 /*************************************************************************/
122 /*************************************************************************/
124 /* handle to internal charmap object */
125 typedef struct FT_CMapRec_* FT_CMap;
127 /* handle to charmap class structure */
128 typedef const struct FT_CMap_ClassRec_* FT_CMap_Class;
130 /* internal charmap object structure */
131 typedef struct FT_CMapRec_
132 {
133 FT_CharMapRec charmap;
134 FT_CMap_Class clazz;
136 } FT_CMapRec;
138 /* typecase any pointer to a charmap handle */
139 #define FT_CMAP( x ) ((FT_CMap)( x ))
141 /* obvious macros */
142 #define FT_CMAP_PLATFORM_ID( x ) FT_CMAP( x )->charmap.platform_id
143 #define FT_CMAP_ENCODING_ID( x ) FT_CMAP( x )->charmap.encoding_id
144 #define FT_CMAP_ENCODING( x ) FT_CMAP( x )->charmap.encoding
145 #define FT_CMAP_FACE( x ) FT_CMAP( x )->charmap.face
148 /* class method definitions */
149 typedef FT_Error
150 (*FT_CMap_InitFunc)( FT_CMap cmap,
151 FT_Pointer init_data );
153 typedef void
154 (*FT_CMap_DoneFunc)( FT_CMap cmap );
156 typedef FT_UInt
157 (*FT_CMap_CharIndexFunc)( FT_CMap cmap,
158 FT_UInt32 char_code );
160 typedef FT_UInt
161 (*FT_CMap_CharNextFunc)( FT_CMap cmap,
162 FT_UInt32 *achar_code );
164 typedef FT_UInt
165 (*FT_CMap_CharVarIndexFunc)( FT_CMap cmap,
166 FT_CMap unicode_cmap,
167 FT_UInt32 char_code,
168 FT_UInt32 variant_selector );
170 typedef FT_Bool
171 (*FT_CMap_CharVarIsDefaultFunc)( FT_CMap cmap,
172 FT_UInt32 char_code,
173 FT_UInt32 variant_selector );
175 typedef FT_UInt32 *
176 (*FT_CMap_VariantListFunc)( FT_CMap cmap,
177 FT_Memory mem );
179 typedef FT_UInt32 *
180 (*FT_CMap_CharVariantListFunc)( FT_CMap cmap,
181 FT_Memory mem,
182 FT_UInt32 char_code );
184 typedef FT_UInt32 *
185 (*FT_CMap_VariantCharListFunc)( FT_CMap cmap,
186 FT_Memory mem,
187 FT_UInt32 variant_selector );
190 typedef struct FT_CMap_ClassRec_
191 {
192 FT_ULong size;
193 FT_CMap_InitFunc init;
194 FT_CMap_DoneFunc done;
195 FT_CMap_CharIndexFunc char_index;
196 FT_CMap_CharNextFunc char_next;
198 /* Subsequent entries are special ones for format 14 -- the variant */
199 /* selector subtable which behaves like no other */
201 FT_CMap_CharVarIndexFunc char_var_index;
202 FT_CMap_CharVarIsDefaultFunc char_var_default;
203 FT_CMap_VariantListFunc variant_list;
204 FT_CMap_CharVariantListFunc charvariant_list;
205 FT_CMap_VariantCharListFunc variantchar_list;
207 } FT_CMap_ClassRec;
209 #ifndef FT_CONFIG_OPTION_PIC
211 #define FT_DECLARE_CMAP_CLASS(class_) \
212 FT_CALLBACK_TABLE const FT_CMap_ClassRec class_;
214 #define FT_DEFINE_CMAP_CLASS(class_, size_, init_, done_, char_index_, \
215 char_next_, char_var_index_, char_var_default_, variant_list_, \
216 charvariant_list_, variantchar_list_) \
217 FT_CALLBACK_TABLE_DEF \
218 const FT_CMap_ClassRec class_ = \
219 { \
220 size_, init_, done_, char_index_, char_next_, char_var_index_, \
221 char_var_default_, variant_list_, charvariant_list_, variantchar_list_ \
222 };
223 #else /* FT_CONFIG_OPTION_PIC */
225 #define FT_DECLARE_CMAP_CLASS(class_) \
226 void FT_Init_Class_##class_( FT_Library library, FT_CMap_ClassRec* clazz);
228 #define FT_DEFINE_CMAP_CLASS(class_, size_, init_, done_, char_index_, \
229 char_next_, char_var_index_, char_var_default_, variant_list_, \
230 charvariant_list_, variantchar_list_) \
231 void \
232 FT_Init_Class_##class_( FT_Library library, \
233 FT_CMap_ClassRec* clazz) \
234 { \
235 FT_UNUSED(library); \
236 clazz->size = size_; \
237 clazz->init = init_; \
238 clazz->done = done_; \
239 clazz->char_index = char_index_; \
240 clazz->char_next = char_next_; \
241 clazz->char_var_index = char_var_index_; \
242 clazz->char_var_default = char_var_default_; \
243 clazz->variant_list = variant_list_; \
244 clazz->charvariant_list = charvariant_list_; \
245 clazz->variantchar_list = variantchar_list_; \
246 }
247 #endif /* FT_CONFIG_OPTION_PIC */
249 /* create a new charmap and add it to charmap->face */
250 FT_BASE( FT_Error )
251 FT_CMap_New( FT_CMap_Class clazz,
252 FT_Pointer init_data,
253 FT_CharMap charmap,
254 FT_CMap *acmap );
256 /* destroy a charmap and remove it from face's list */
257 FT_BASE( void )
258 FT_CMap_Done( FT_CMap cmap );
261 /*************************************************************************/
262 /* */
263 /* <Struct> */
264 /* FT_Face_InternalRec */
265 /* */
266 /* <Description> */
267 /* This structure contains the internal fields of each FT_Face */
268 /* object. These fields may change between different releases of */
269 /* FreeType. */
270 /* */
271 /* <Fields> */
272 /* max_points :: */
273 /* The maximal number of points used to store the vectorial outline */
274 /* of any glyph in this face. If this value cannot be known in */
275 /* advance, or if the face isn't scalable, this should be set to 0. */
276 /* Only relevant for scalable formats. */
277 /* */
278 /* max_contours :: */
279 /* The maximal number of contours used to store the vectorial */
280 /* outline of any glyph in this face. If this value cannot be */
281 /* known in advance, or if the face isn't scalable, this should be */
282 /* set to 0. Only relevant for scalable formats. */
283 /* */
284 /* transform_matrix :: */
285 /* A 2x2 matrix of 16.16 coefficients used to transform glyph */
286 /* outlines after they are loaded from the font. Only used by the */
287 /* convenience functions. */
288 /* */
289 /* transform_delta :: */
290 /* A translation vector used to transform glyph outlines after they */
291 /* are loaded from the font. Only used by the convenience */
292 /* functions. */
293 /* */
294 /* transform_flags :: */
295 /* Some flags used to classify the transform. Only used by the */
296 /* convenience functions. */
297 /* */
298 /* services :: */
299 /* A cache for frequently used services. It should be only */
300 /* accessed with the macro `FT_FACE_LOOKUP_SERVICE'. */
301 /* */
302 /* incremental_interface :: */
303 /* If non-null, the interface through which glyph data and metrics */
304 /* are loaded incrementally for faces that do not provide all of */
305 /* this data when first opened. This field exists only if */
306 /* @FT_CONFIG_OPTION_INCREMENTAL is defined. */
307 /* */
308 /* ignore_unpatented_hinter :: */
309 /* This boolean flag instructs the glyph loader to ignore the */
310 /* native font hinter, if one is found. This is exclusively used */
311 /* in the case when the unpatented hinter is compiled within the */
312 /* library. */
313 /* */
314 /* refcount :: */
315 /* A counter initialized to~1 at the time an @FT_Face structure is */
316 /* created. @FT_Reference_Face increments this counter, and */
317 /* @FT_Done_Face only destroys a face if the counter is~1, */
318 /* otherwise it simply decrements it. */
319 /* */
320 typedef struct FT_Face_InternalRec_
321 {
322 #ifdef FT_CONFIG_OPTION_OLD_INTERNALS
323 FT_UShort reserved1;
324 FT_Short reserved2;
325 #endif
326 FT_Matrix transform_matrix;
327 FT_Vector transform_delta;
328 FT_Int transform_flags;
330 FT_ServiceCacheRec services;
332 #ifdef FT_CONFIG_OPTION_INCREMENTAL
333 FT_Incremental_InterfaceRec* incremental_interface;
334 #endif
336 FT_Bool ignore_unpatented_hinter;
337 FT_UInt refcount;
339 } FT_Face_InternalRec;
342 /*************************************************************************/
343 /* */
344 /* <Struct> */
345 /* FT_Slot_InternalRec */
346 /* */
347 /* <Description> */
348 /* This structure contains the internal fields of each FT_GlyphSlot */
349 /* object. These fields may change between different releases of */
350 /* FreeType. */
351 /* */
352 /* <Fields> */
353 /* loader :: The glyph loader object used to load outlines */
354 /* into the glyph slot. */
355 /* */
356 /* flags :: Possible values are zero or */
357 /* FT_GLYPH_OWN_BITMAP. The latter indicates */
358 /* that the FT_GlyphSlot structure owns the */
359 /* bitmap buffer. */
360 /* */
361 /* glyph_transformed :: Boolean. Set to TRUE when the loaded glyph */
362 /* must be transformed through a specific */
363 /* font transformation. This is _not_ the same */
364 /* as the face transform set through */
365 /* FT_Set_Transform(). */
366 /* */
367 /* glyph_matrix :: The 2x2 matrix corresponding to the glyph */
368 /* transformation, if necessary. */
369 /* */
370 /* glyph_delta :: The 2d translation vector corresponding to */
371 /* the glyph transformation, if necessary. */
372 /* */
373 /* glyph_hints :: Format-specific glyph hints management. */
374 /* */
376 #define FT_GLYPH_OWN_BITMAP 0x1
378 typedef struct FT_Slot_InternalRec_
379 {
380 FT_GlyphLoader loader;
381 FT_UInt flags;
382 FT_Bool glyph_transformed;
383 FT_Matrix glyph_matrix;
384 FT_Vector glyph_delta;
385 void* glyph_hints;
387 } FT_GlyphSlot_InternalRec;
390 #if 0
392 /*************************************************************************/
393 /* */
394 /* <Struct> */
395 /* FT_Size_InternalRec */
396 /* */
397 /* <Description> */
398 /* This structure contains the internal fields of each FT_Size */
399 /* object. Currently, it's empty. */
400 /* */
401 /*************************************************************************/
403 typedef struct FT_Size_InternalRec_
404 {
405 /* empty */
407 } FT_Size_InternalRec;
409 #endif
412 /*************************************************************************/
413 /*************************************************************************/
414 /**** ****/
415 /**** ****/
416 /**** M O D U L E S ****/
417 /**** ****/
418 /**** ****/
419 /*************************************************************************/
420 /*************************************************************************/
421 /*************************************************************************/
424 /*************************************************************************/
425 /* */
426 /* <Struct> */
427 /* FT_ModuleRec */
428 /* */
429 /* <Description> */
430 /* A module object instance. */
431 /* */
432 /* <Fields> */
433 /* clazz :: A pointer to the module's class. */
434 /* */
435 /* library :: A handle to the parent library object. */
436 /* */
437 /* memory :: A handle to the memory manager. */
438 /* */
439 /* generic :: A generic structure for user-level extensibility (?). */
440 /* */
441 typedef struct FT_ModuleRec_
442 {
443 FT_Module_Class* clazz;
444 FT_Library library;
445 FT_Memory memory;
446 FT_Generic generic;
448 } FT_ModuleRec;
451 /* typecast an object to a FT_Module */
452 #define FT_MODULE( x ) ((FT_Module)( x ))
453 #define FT_MODULE_CLASS( x ) FT_MODULE( x )->clazz
454 #define FT_MODULE_LIBRARY( x ) FT_MODULE( x )->library
455 #define FT_MODULE_MEMORY( x ) FT_MODULE( x )->memory
458 #define FT_MODULE_IS_DRIVER( x ) ( FT_MODULE_CLASS( x )->module_flags & \
459 FT_MODULE_FONT_DRIVER )
461 #define FT_MODULE_IS_RENDERER( x ) ( FT_MODULE_CLASS( x )->module_flags & \
462 FT_MODULE_RENDERER )
464 #define FT_MODULE_IS_HINTER( x ) ( FT_MODULE_CLASS( x )->module_flags & \
465 FT_MODULE_HINTER )
467 #define FT_MODULE_IS_STYLER( x ) ( FT_MODULE_CLASS( x )->module_flags & \
468 FT_MODULE_STYLER )
470 #define FT_DRIVER_IS_SCALABLE( x ) ( FT_MODULE_CLASS( x )->module_flags & \
471 FT_MODULE_DRIVER_SCALABLE )
473 #define FT_DRIVER_USES_OUTLINES( x ) !( FT_MODULE_CLASS( x )->module_flags & \
474 FT_MODULE_DRIVER_NO_OUTLINES )
476 #define FT_DRIVER_HAS_HINTER( x ) ( FT_MODULE_CLASS( x )->module_flags & \
477 FT_MODULE_DRIVER_HAS_HINTER )
480 /*************************************************************************/
481 /* */
482 /* <Function> */
483 /* FT_Get_Module_Interface */
484 /* */
485 /* <Description> */
486 /* Finds a module and returns its specific interface as a typeless */
487 /* pointer. */
488 /* */
489 /* <Input> */
490 /* library :: A handle to the library object. */
491 /* */
492 /* module_name :: The module's name (as an ASCII string). */
493 /* */
494 /* <Return> */
495 /* A module-specific interface if available, 0 otherwise. */
496 /* */
497 /* <Note> */
498 /* You should better be familiar with FreeType internals to know */
499 /* which module to look for, and what its interface is :-) */
500 /* */
501 FT_BASE( const void* )
502 FT_Get_Module_Interface( FT_Library library,
503 const char* mod_name );
505 FT_BASE( FT_Pointer )
506 ft_module_get_service( FT_Module module,
507 const char* service_id );
509 /* */
512 /*************************************************************************/
513 /*************************************************************************/
514 /*************************************************************************/
515 /**** ****/
516 /**** ****/
517 /**** FACE, SIZE & GLYPH SLOT OBJECTS ****/
518 /**** ****/
519 /**** ****/
520 /*************************************************************************/
521 /*************************************************************************/
522 /*************************************************************************/
524 /* a few macros used to perform easy typecasts with minimal brain damage */
526 #define FT_FACE( x ) ((FT_Face)(x))
527 #define FT_SIZE( x ) ((FT_Size)(x))
528 #define FT_SLOT( x ) ((FT_GlyphSlot)(x))
530 #define FT_FACE_DRIVER( x ) FT_FACE( x )->driver
531 #define FT_FACE_LIBRARY( x ) FT_FACE_DRIVER( x )->root.library
532 #define FT_FACE_MEMORY( x ) FT_FACE( x )->memory
533 #define FT_FACE_STREAM( x ) FT_FACE( x )->stream
535 #define FT_SIZE_FACE( x ) FT_SIZE( x )->face
536 #define FT_SLOT_FACE( x ) FT_SLOT( x )->face
538 #define FT_FACE_SLOT( x ) FT_FACE( x )->glyph
539 #define FT_FACE_SIZE( x ) FT_FACE( x )->size
542 /*************************************************************************/
543 /* */
544 /* <Function> */
545 /* FT_New_GlyphSlot */
546 /* */
547 /* <Description> */
548 /* It is sometimes useful to have more than one glyph slot for a */
549 /* given face object. This function is used to create additional */
550 /* slots. All of them are automatically discarded when the face is */
551 /* destroyed. */
552 /* */
553 /* <Input> */
554 /* face :: A handle to a parent face object. */
555 /* */
556 /* <Output> */
557 /* aslot :: A handle to a new glyph slot object. */
558 /* */
559 /* <Return> */
560 /* FreeType error code. 0 means success. */
561 /* */
562 FT_BASE( FT_Error )
563 FT_New_GlyphSlot( FT_Face face,
564 FT_GlyphSlot *aslot );
567 /*************************************************************************/
568 /* */
569 /* <Function> */
570 /* FT_Done_GlyphSlot */
571 /* */
572 /* <Description> */
573 /* Destroys a given glyph slot. Remember however that all slots are */
574 /* automatically destroyed with its parent. Using this function is */
575 /* not always mandatory. */
576 /* */
577 /* <Input> */
578 /* slot :: A handle to a target glyph slot. */
579 /* */
580 FT_BASE( void )
581 FT_Done_GlyphSlot( FT_GlyphSlot slot );
583 /* */
585 #define FT_REQUEST_WIDTH( req ) \
586 ( (req)->horiResolution \
587 ? (FT_Pos)( (req)->width * (req)->horiResolution + 36 ) / 72 \
588 : (req)->width )
590 #define FT_REQUEST_HEIGHT( req ) \
591 ( (req)->vertResolution \
592 ? (FT_Pos)( (req)->height * (req)->vertResolution + 36 ) / 72 \
593 : (req)->height )
596 /* Set the metrics according to a bitmap strike. */
597 FT_BASE( void )
598 FT_Select_Metrics( FT_Face face,
599 FT_ULong strike_index );
602 /* Set the metrics according to a size request. */
603 FT_BASE( void )
604 FT_Request_Metrics( FT_Face face,
605 FT_Size_Request req );
608 /* Match a size request against `available_sizes'. */
609 FT_BASE( FT_Error )
610 FT_Match_Size( FT_Face face,
611 FT_Size_Request req,
612 FT_Bool ignore_width,
613 FT_ULong* size_index );
616 /* Use the horizontal metrics to synthesize the vertical metrics. */
617 /* If `advance' is zero, it is also synthesized. */
618 FT_BASE( void )
619 ft_synthesize_vertical_metrics( FT_Glyph_Metrics* metrics,
620 FT_Pos advance );
623 /* Free the bitmap of a given glyphslot when needed (i.e., only when it */
624 /* was allocated with ft_glyphslot_alloc_bitmap). */
625 FT_BASE( void )
626 ft_glyphslot_free_bitmap( FT_GlyphSlot slot );
629 /* Allocate a new bitmap buffer in a glyph slot. */
630 FT_BASE( FT_Error )
631 ft_glyphslot_alloc_bitmap( FT_GlyphSlot slot,
632 FT_ULong size );
635 /* Set the bitmap buffer in a glyph slot to a given pointer. The buffer */
636 /* will not be freed by a later call to ft_glyphslot_free_bitmap. */
637 FT_BASE( void )
638 ft_glyphslot_set_bitmap( FT_GlyphSlot slot,
639 FT_Byte* buffer );
642 /*************************************************************************/
643 /*************************************************************************/
644 /*************************************************************************/
645 /**** ****/
646 /**** ****/
647 /**** R E N D E R E R S ****/
648 /**** ****/
649 /**** ****/
650 /*************************************************************************/
651 /*************************************************************************/
652 /*************************************************************************/
655 #define FT_RENDERER( x ) ((FT_Renderer)( x ))
656 #define FT_GLYPH( x ) ((FT_Glyph)( x ))
657 #define FT_BITMAP_GLYPH( x ) ((FT_BitmapGlyph)( x ))
658 #define FT_OUTLINE_GLYPH( x ) ((FT_OutlineGlyph)( x ))
661 typedef struct FT_RendererRec_
662 {
663 FT_ModuleRec root;
664 FT_Renderer_Class* clazz;
665 FT_Glyph_Format glyph_format;
666 FT_Glyph_Class glyph_class;
668 FT_Raster raster;
669 FT_Raster_Render_Func raster_render;
670 FT_Renderer_RenderFunc render;
672 } FT_RendererRec;
675 /*************************************************************************/
676 /*************************************************************************/
677 /*************************************************************************/
678 /**** ****/
679 /**** ****/
680 /**** F O N T D R I V E R S ****/
681 /**** ****/
682 /**** ****/
683 /*************************************************************************/
684 /*************************************************************************/
685 /*************************************************************************/
688 /* typecast a module into a driver easily */
689 #define FT_DRIVER( x ) ((FT_Driver)(x))
691 /* typecast a module as a driver, and get its driver class */
692 #define FT_DRIVER_CLASS( x ) FT_DRIVER( x )->clazz
695 /*************************************************************************/
696 /* */
697 /* <Struct> */
698 /* FT_DriverRec */
699 /* */
700 /* <Description> */
701 /* The root font driver class. A font driver is responsible for */
702 /* managing and loading font files of a given format. */
703 /* */
704 /* <Fields> */
705 /* root :: Contains the fields of the root module class. */
706 /* */
707 /* clazz :: A pointer to the font driver's class. Note that */
708 /* this is NOT root.clazz. `class' wasn't used */
709 /* as it is a reserved word in C++. */
710 /* */
711 /* faces_list :: The list of faces currently opened by this */
712 /* driver. */
713 /* */
714 /* extensions :: A typeless pointer to the driver's extensions */
715 /* registry, if they are supported through the */
716 /* configuration macro FT_CONFIG_OPTION_EXTENSIONS. */
717 /* */
718 /* glyph_loader :: The glyph loader for all faces managed by this */
719 /* driver. This object isn't defined for unscalable */
720 /* formats. */
721 /* */
722 typedef struct FT_DriverRec_
723 {
724 FT_ModuleRec root;
725 FT_Driver_Class clazz;
727 FT_ListRec faces_list;
728 void* extensions;
730 FT_GlyphLoader glyph_loader;
732 } FT_DriverRec;
735 /*************************************************************************/
736 /*************************************************************************/
737 /*************************************************************************/
738 /**** ****/
739 /**** ****/
740 /**** L I B R A R I E S ****/
741 /**** ****/
742 /**** ****/
743 /*************************************************************************/
744 /*************************************************************************/
745 /*************************************************************************/
748 /* This hook is used by the TrueType debugger. It must be set to an */
749 /* alternate truetype bytecode interpreter function. */
750 #define FT_DEBUG_HOOK_TRUETYPE 0
753 /* Set this debug hook to a non-null pointer to force unpatented hinting */
754 /* for all faces when both TT_USE_BYTECODE_INTERPRETER and */
755 /* TT_CONFIG_OPTION_UNPATENTED_HINTING are defined. This is only used */
756 /* during debugging. */
757 #define FT_DEBUG_HOOK_UNPATENTED_HINTING 1
760 typedef void (*FT_Bitmap_LcdFilterFunc)( FT_Bitmap* bitmap,
761 FT_Render_Mode render_mode,
762 FT_Library library );
765 /*************************************************************************/
766 /* */
767 /* <Struct> */
768 /* FT_LibraryRec */
769 /* */
770 /* <Description> */
771 /* The FreeType library class. This is the root of all FreeType */
772 /* data. Use FT_New_Library() to create a library object, and */
773 /* FT_Done_Library() to discard it and all child objects. */
774 /* */
775 /* <Fields> */
776 /* memory :: The library's memory object. Manages memory */
777 /* allocation. */
778 /* */
779 /* generic :: Client data variable. Used to extend the */
780 /* Library class by higher levels and clients. */
781 /* */
782 /* version_major :: The major version number of the library. */
783 /* */
784 /* version_minor :: The minor version number of the library. */
785 /* */
786 /* version_patch :: The current patch level of the library. */
787 /* */
788 /* num_modules :: The number of modules currently registered */
789 /* within this library. This is set to 0 for new */
790 /* libraries. New modules are added through the */
791 /* FT_Add_Module() API function. */
792 /* */
793 /* modules :: A table used to store handles to the currently */
794 /* registered modules. Note that each font driver */
795 /* contains a list of its opened faces. */
796 /* */
797 /* renderers :: The list of renderers currently registered */
798 /* within the library. */
799 /* */
800 /* cur_renderer :: The current outline renderer. This is a */
801 /* shortcut used to avoid parsing the list on */
802 /* each call to FT_Outline_Render(). It is a */
803 /* handle to the current renderer for the */
804 /* FT_GLYPH_FORMAT_OUTLINE format. */
805 /* */
806 /* auto_hinter :: XXX */
807 /* */
808 /* raster_pool :: The raster object's render pool. This can */
809 /* ideally be changed dynamically at run-time. */
810 /* */
811 /* raster_pool_size :: The size of the render pool in bytes. */
812 /* */
813 /* debug_hooks :: XXX */
814 /* */
815 /* lcd_filter :: If subpixel rendering is activated, the */
816 /* selected LCD filter mode. */
817 /* */
818 /* lcd_extra :: If subpixel rendering is activated, the number */
819 /* of extra pixels needed for the LCD filter. */
820 /* */
821 /* lcd_weights :: If subpixel rendering is activated, the LCD */
822 /* filter weights, if any. */
823 /* */
824 /* lcd_filter_func :: If subpixel rendering is activated, the LCD */
825 /* filtering callback function. */
826 /* */
827 /* pic_container :: Contains global structs and tables, instead */
828 /* of defining them globallly. */
829 /* */
830 /* refcount :: A counter initialized to~1 at the time an */
831 /* @FT_Library structure is created. */
832 /* @FT_Reference_Library increments this counter, */
833 /* and @FT_Done_Library only destroys a library */
834 /* if the counter is~1, otherwise it simply */
835 /* decrements it. */
836 /* */
837 typedef struct FT_LibraryRec_
838 {
839 FT_Memory memory; /* library's memory manager */
841 FT_Generic generic;
843 FT_Int version_major;
844 FT_Int version_minor;
845 FT_Int version_patch;
847 FT_UInt num_modules;
848 FT_Module modules[FT_MAX_MODULES]; /* module objects */
850 FT_ListRec renderers; /* list of renderers */
851 FT_Renderer cur_renderer; /* current outline renderer */
852 FT_Module auto_hinter;
854 FT_Byte* raster_pool; /* scan-line conversion */
855 /* render pool */
856 FT_ULong raster_pool_size; /* size of render pool in bytes */
858 FT_DebugHook_Func debug_hooks[4];
860 #ifdef FT_CONFIG_OPTION_SUBPIXEL_RENDERING
861 FT_LcdFilter lcd_filter;
862 FT_Int lcd_extra; /* number of extra pixels */
863 FT_Byte lcd_weights[7]; /* filter weights, if any */
864 FT_Bitmap_LcdFilterFunc lcd_filter_func; /* filtering callback */
865 #endif
867 #ifdef FT_CONFIG_OPTION_PIC
868 FT_PIC_Container pic_container;
869 #endif
871 FT_UInt refcount;
873 } FT_LibraryRec;
876 FT_BASE( FT_Renderer )
877 FT_Lookup_Renderer( FT_Library library,
878 FT_Glyph_Format format,
879 FT_ListNode* node );
881 FT_BASE( FT_Error )
882 FT_Render_Glyph_Internal( FT_Library library,
883 FT_GlyphSlot slot,
884 FT_Render_Mode render_mode );
886 typedef const char*
887 (*FT_Face_GetPostscriptNameFunc)( FT_Face face );
889 typedef FT_Error
890 (*FT_Face_GetGlyphNameFunc)( FT_Face face,
891 FT_UInt glyph_index,
892 FT_Pointer buffer,
893 FT_UInt buffer_max );
895 typedef FT_UInt
896 (*FT_Face_GetGlyphNameIndexFunc)( FT_Face face,
897 FT_String* glyph_name );
900 #ifndef FT_CONFIG_OPTION_NO_DEFAULT_SYSTEM
902 /*************************************************************************/
903 /* */
904 /* <Function> */
905 /* FT_New_Memory */
906 /* */
907 /* <Description> */
908 /* Creates a new memory object. */
909 /* */
910 /* <Return> */
911 /* A pointer to the new memory object. 0 in case of error. */
912 /* */
913 FT_BASE( FT_Memory )
914 FT_New_Memory( void );
917 /*************************************************************************/
918 /* */
919 /* <Function> */
920 /* FT_Done_Memory */
921 /* */
922 /* <Description> */
923 /* Discards memory manager. */
924 /* */
925 /* <Input> */
926 /* memory :: A handle to the memory manager. */
927 /* */
928 FT_BASE( void )
929 FT_Done_Memory( FT_Memory memory );
931 #endif /* !FT_CONFIG_OPTION_NO_DEFAULT_SYSTEM */
934 /* Define default raster's interface. The default raster is located in */
935 /* `src/base/ftraster.c'. */
936 /* */
937 /* Client applications can register new rasters through the */
938 /* FT_Set_Raster() API. */
940 #ifndef FT_NO_DEFAULT_RASTER
941 FT_EXPORT_VAR( FT_Raster_Funcs ) ft_default_raster;
942 #endif
944 /*************************************************************************/
945 /*************************************************************************/
946 /*************************************************************************/
947 /**** ****/
948 /**** ****/
949 /**** PIC-Support Macros for ftimage.h ****/
950 /**** ****/
951 /**** ****/
952 /*************************************************************************/
953 /*************************************************************************/
954 /*************************************************************************/
957 /*************************************************************************/
958 /* */
959 /* <Macro> */
960 /* FT_DEFINE_OUTLINE_FUNCS */
961 /* */
962 /* <Description> */
963 /* Used to initialize an instance of FT_Outline_Funcs struct. */
964 /* When FT_CONFIG_OPTION_PIC is defined an init funtion will need to */
965 /* called with a pre-allocated stracture to be filled. */
966 /* When FT_CONFIG_OPTION_PIC is not defined the struct will be */
967 /* allocated in the global scope (or the scope where the macro */
968 /* is used). */
969 /* */
970 #ifndef FT_CONFIG_OPTION_PIC
972 #define FT_DEFINE_OUTLINE_FUNCS(class_, move_to_, line_to_, conic_to_, \
973 cubic_to_, shift_, delta_) \
974 static const FT_Outline_Funcs class_ = \
975 { \
976 move_to_, line_to_, conic_to_, cubic_to_, shift_, delta_ \
977 };
979 #else /* FT_CONFIG_OPTION_PIC */
981 #define FT_DEFINE_OUTLINE_FUNCS(class_, move_to_, line_to_, conic_to_, \
982 cubic_to_, shift_, delta_) \
983 static FT_Error \
984 Init_Class_##class_( FT_Outline_Funcs* clazz ) \
985 { \
986 clazz->move_to = move_to_; \
987 clazz->line_to = line_to_; \
988 clazz->conic_to = conic_to_; \
989 clazz->cubic_to = cubic_to_; \
990 clazz->shift = shift_; \
991 clazz->delta = delta_; \
992 return FT_Err_Ok; \
993 }
995 #endif /* FT_CONFIG_OPTION_PIC */
997 /*************************************************************************/
998 /* */
999 /* <Macro> */
1000 /* FT_DEFINE_RASTER_FUNCS */
1001 /* */
1002 /* <Description> */
1003 /* Used to initialize an instance of FT_Raster_Funcs struct. */
1004 /* When FT_CONFIG_OPTION_PIC is defined an init funtion will need to */
1005 /* called with a pre-allocated stracture to be filled. */
1006 /* When FT_CONFIG_OPTION_PIC is not defined the struct will be */
1007 /* allocated in the global scope (or the scope where the macro */
1008 /* is used). */
1009 /* */
1010 #ifndef FT_CONFIG_OPTION_PIC
1012 #define FT_DEFINE_RASTER_FUNCS(class_, glyph_format_, raster_new_, \
1013 raster_reset_, raster_set_mode_, \
1014 raster_render_, raster_done_) \
1015 const FT_Raster_Funcs class_ = \
1016 { \
1017 glyph_format_, raster_new_, raster_reset_, \
1018 raster_set_mode_, raster_render_, raster_done_ \
1019 };
1021 #else /* FT_CONFIG_OPTION_PIC */
1023 #define FT_DEFINE_RASTER_FUNCS(class_, glyph_format_, raster_new_, \
1024 raster_reset_, raster_set_mode_, raster_render_, raster_done_) \
1025 void \
1026 FT_Init_Class_##class_( FT_Raster_Funcs* clazz ) \
1027 { \
1028 clazz->glyph_format = glyph_format_; \
1029 clazz->raster_new = raster_new_; \
1030 clazz->raster_reset = raster_reset_; \
1031 clazz->raster_set_mode = raster_set_mode_; \
1032 clazz->raster_render = raster_render_; \
1033 clazz->raster_done = raster_done_; \
1034 }
1036 #endif /* FT_CONFIG_OPTION_PIC */
1038 /*************************************************************************/
1039 /*************************************************************************/
1040 /*************************************************************************/
1041 /**** ****/
1042 /**** ****/
1043 /**** PIC-Support Macros for ftrender.h ****/
1044 /**** ****/
1045 /**** ****/
1046 /*************************************************************************/
1047 /*************************************************************************/
1048 /*************************************************************************/
1052 /*************************************************************************/
1053 /* */
1054 /* <Macro> */
1055 /* FT_DEFINE_GLYPH */
1056 /* */
1057 /* <Description> */
1058 /* Used to initialize an instance of FT_Glyph_Class struct. */
1059 /* When FT_CONFIG_OPTION_PIC is defined an init funtion will need to */
1060 /* called with a pre-allocated stracture to be filled. */
1061 /* When FT_CONFIG_OPTION_PIC is not defined the struct will be */
1062 /* allocated in the global scope (or the scope where the macro */
1063 /* is used). */
1064 /* */
1065 #ifndef FT_CONFIG_OPTION_PIC
1067 #define FT_DEFINE_GLYPH(class_, size_, format_, init_, done_, copy_, \
1068 transform_, bbox_, prepare_) \
1069 FT_CALLBACK_TABLE_DEF \
1070 const FT_Glyph_Class class_ = \
1071 { \
1072 size_, format_, init_, done_, copy_, transform_, bbox_, prepare_ \
1073 };
1075 #else /* FT_CONFIG_OPTION_PIC */
1077 #define FT_DEFINE_GLYPH(class_, size_, format_, init_, done_, copy_, \
1078 transform_, bbox_, prepare_) \
1079 void \
1080 FT_Init_Class_##class_( FT_Glyph_Class* clazz ) \
1081 { \
1082 clazz->glyph_size = size_; \
1083 clazz->glyph_format = format_; \
1084 clazz->glyph_init = init_; \
1085 clazz->glyph_done = done_; \
1086 clazz->glyph_copy = copy_; \
1087 clazz->glyph_transform = transform_; \
1088 clazz->glyph_bbox = bbox_; \
1089 clazz->glyph_prepare = prepare_; \
1090 }
1092 #endif /* FT_CONFIG_OPTION_PIC */
1094 /*************************************************************************/
1095 /* */
1096 /* <Macro> */
1097 /* FT_DECLARE_RENDERER */
1098 /* */
1099 /* <Description> */
1100 /* Used to create a forward declaration of a */
1101 /* FT_Renderer_Class stract instance. */
1102 /* */
1103 /* <Macro> */
1104 /* FT_DEFINE_RENDERER */
1105 /* */
1106 /* <Description> */
1107 /* Used to initialize an instance of FT_Renderer_Class struct. */
1108 /* */
1109 /* When FT_CONFIG_OPTION_PIC is defined a Create funtion will need */
1110 /* to called with a pointer where the allocated stracture is returned.*/
1111 /* And when it is no longer needed a Destroy function needs */
1112 /* to be called to release that allocation. */
1113 /* fcinit.c (ft_create_default_module_classes) already contains */
1114 /* a mechanism to call these functions for the default modules */
1115 /* described in ftmodule.h */
1116 /* */
1117 /* Notice that the created Create and Destroy functions call */
1118 /* pic_init and pic_free function to allow you to manually allocate */
1119 /* and initialize any additional global data, like module specific */
1120 /* interface, and put them in the global pic container defined in */
1121 /* ftpic.h. if you don't need them just implement the functions as */
1122 /* empty to resolve the link error. */
1123 /* */
1124 /* When FT_CONFIG_OPTION_PIC is not defined the struct will be */
1125 /* allocated in the global scope (or the scope where the macro */
1126 /* is used). */
1127 /* */
1128 #ifndef FT_CONFIG_OPTION_PIC
1130 #define FT_DECLARE_RENDERER(class_) \
1131 FT_EXPORT_VAR( const FT_Renderer_Class ) class_;
1133 #define FT_DEFINE_RENDERER(class_, \
1134 flags_, size_, name_, version_, requires_, \
1135 interface_, init_, done_, get_interface_, \
1136 glyph_format_, render_glyph_, transform_glyph_, \
1137 get_glyph_cbox_, set_mode_, raster_class_ ) \
1138 FT_CALLBACK_TABLE_DEF \
1139 const FT_Renderer_Class class_ = \
1140 { \
1141 FT_DEFINE_ROOT_MODULE(flags_,size_,name_,version_,requires_, \
1142 interface_,init_,done_,get_interface_) \
1143 glyph_format_, \
1144 \
1145 render_glyph_, \
1146 transform_glyph_, \
1147 get_glyph_cbox_, \
1148 set_mode_, \
1149 \
1150 raster_class_ \
1151 };
1153 #else /* FT_CONFIG_OPTION_PIC */
1155 #define FT_DECLARE_RENDERER(class_) FT_DECLARE_MODULE(class_)
1157 #define FT_DEFINE_RENDERER(class_, \
1158 flags_, size_, name_, version_, requires_, \
1159 interface_, init_, done_, get_interface_, \
1160 glyph_format_, render_glyph_, transform_glyph_, \
1161 get_glyph_cbox_, set_mode_, raster_class_ ) \
1162 void class_##_pic_free( FT_Library library ); \
1163 FT_Error class_##_pic_init( FT_Library library ); \
1164 \
1165 void \
1166 FT_Destroy_Class_##class_( FT_Library library, \
1167 FT_Module_Class* clazz ) \
1168 { \
1169 FT_Renderer_Class* rclazz = (FT_Renderer_Class*)clazz; \
1170 FT_Memory memory = library->memory; \
1171 class_##_pic_free( library ); \
1172 if ( rclazz ) \
1173 FT_FREE( rclazz ); \
1174 } \
1175 \
1176 FT_Error \
1177 FT_Create_Class_##class_( FT_Library library, \
1178 FT_Module_Class** output_class ) \
1179 { \
1180 FT_Renderer_Class* clazz; \
1181 FT_Error error; \
1182 FT_Memory memory = library->memory; \
1183 \
1184 if ( FT_ALLOC( clazz, sizeof(*clazz) ) ) \
1185 return error; \
1186 \
1187 error = class_##_pic_init( library ); \
1188 if(error) \
1189 { \
1190 FT_FREE( clazz ); \
1191 return error; \
1192 } \
1193 \
1194 FT_DEFINE_ROOT_MODULE(flags_,size_,name_,version_,requires_, \
1195 interface_,init_,done_,get_interface_) \
1196 \
1197 clazz->glyph_format = glyph_format_; \
1198 \
1199 clazz->render_glyph = render_glyph_; \
1200 clazz->transform_glyph = transform_glyph_; \
1201 clazz->get_glyph_cbox = get_glyph_cbox_; \
1202 clazz->set_mode = set_mode_; \
1203 \
1204 clazz->raster_class = raster_class_; \
1205 \
1206 *output_class = (FT_Module_Class*)clazz; \
1207 return FT_Err_Ok; \
1208 }
1212 #endif /* FT_CONFIG_OPTION_PIC */
1214 /*************************************************************************/
1215 /*************************************************************************/
1216 /*************************************************************************/
1217 /**** ****/
1218 /**** ****/
1219 /**** PIC-Support Macros for ftmodapi.h ****/
1220 /**** ****/
1221 /**** ****/
1222 /*************************************************************************/
1223 /*************************************************************************/
1224 /*************************************************************************/
1227 #ifdef FT_CONFIG_OPTION_PIC
1229 /*************************************************************************/
1230 /* */
1231 /* <FuncType> */
1232 /* FT_Module_Creator */
1233 /* */
1234 /* <Description> */
1235 /* A function used to create (allocate) a new module class object. */
1236 /* The object's members are initialized, but the module itself is */
1237 /* not. */
1238 /* */
1239 /* <Input> */
1240 /* memory :: A handle to the memory manager. */
1241 /* output_class :: Initialized with the newly allocated class. */
1242 /* */
1243 typedef FT_Error
1244 (*FT_Module_Creator)( FT_Memory memory,
1245 FT_Module_Class** output_class );
1247 /*************************************************************************/
1248 /* */
1249 /* <FuncType> */
1250 /* FT_Module_Destroyer */
1251 /* */
1252 /* <Description> */
1253 /* A function used to destroy (deallocate) a module class object. */
1254 /* */
1255 /* <Input> */
1256 /* memory :: A handle to the memory manager. */
1257 /* clazz :: Module class to destroy. */
1258 /* */
1259 typedef void
1260 (*FT_Module_Destroyer)( FT_Memory memory,
1261 FT_Module_Class* clazz );
1263 #endif
1265 /*************************************************************************/
1266 /* */
1267 /* <Macro> */
1268 /* FT_DECLARE_MODULE */
1269 /* */
1270 /* <Description> */
1271 /* Used to create a forward declaration of a */
1272 /* FT_Module_Class stract instance. */
1273 /* */
1274 /* <Macro> */
1275 /* FT_DEFINE_MODULE */
1276 /* */
1277 /* <Description> */
1278 /* Used to initialize an instance of FT_Module_Class struct. */
1279 /* */
1280 /* When FT_CONFIG_OPTION_PIC is defined a Create funtion will need */
1281 /* to called with a pointer where the allocated stracture is returned.*/
1282 /* And when it is no longer needed a Destroy function needs */
1283 /* to be called to release that allocation. */
1284 /* fcinit.c (ft_create_default_module_classes) already contains */
1285 /* a mechanism to call these functions for the default modules */
1286 /* described in ftmodule.h */
1287 /* */
1288 /* Notice that the created Create and Destroy functions call */
1289 /* pic_init and pic_free function to allow you to manually allocate */
1290 /* and initialize any additional global data, like module specific */
1291 /* interface, and put them in the global pic container defined in */
1292 /* ftpic.h. if you don't need them just implement the functions as */
1293 /* empty to resolve the link error. */
1294 /* */
1295 /* When FT_CONFIG_OPTION_PIC is not defined the struct will be */
1296 /* allocated in the global scope (or the scope where the macro */
1297 /* is used). */
1298 /* */
1299 /* <Macro> */
1300 /* FT_DEFINE_ROOT_MODULE */
1301 /* */
1302 /* <Description> */
1303 /* Used to initialize an instance of FT_Module_Class struct inside */
1304 /* another stract that contains it or in a function that initializes */
1305 /* that containing stract */
1306 /* */
1307 #ifndef FT_CONFIG_OPTION_PIC
1309 #define FT_DECLARE_MODULE(class_) \
1310 FT_CALLBACK_TABLE \
1311 const FT_Module_Class class_; \
1313 #define FT_DEFINE_ROOT_MODULE(flags_, size_, name_, version_, requires_, \
1314 interface_, init_, done_, get_interface_) \
1315 { \
1316 flags_, \
1317 size_, \
1318 \
1319 name_, \
1320 version_, \
1321 requires_, \
1322 \
1323 interface_, \
1324 \
1325 init_, \
1326 done_, \
1327 get_interface_, \
1328 },
1330 #define FT_DEFINE_MODULE(class_, flags_, size_, name_, version_, requires_, \
1331 interface_, init_, done_, get_interface_) \
1332 FT_CALLBACK_TABLE_DEF \
1333 const FT_Module_Class class_ = \
1334 { \
1335 flags_, \
1336 size_, \
1337 \
1338 name_, \
1339 version_, \
1340 requires_, \
1341 \
1342 interface_, \
1343 \
1344 init_, \
1345 done_, \
1346 get_interface_, \
1347 };
1350 #else /* FT_CONFIG_OPTION_PIC */
1352 #define FT_DECLARE_MODULE(class_) \
1353 FT_Error FT_Create_Class_##class_( FT_Library library, \
1354 FT_Module_Class** output_class ); \
1355 void FT_Destroy_Class_##class_( FT_Library library, \
1356 FT_Module_Class* clazz );
1358 #define FT_DEFINE_ROOT_MODULE(flags_, size_, name_, version_, requires_, \
1359 interface_, init_, done_, get_interface_) \
1360 clazz->root.module_flags = flags_; \
1361 clazz->root.module_size = size_; \
1362 clazz->root.module_name = name_; \
1363 clazz->root.module_version = version_; \
1364 clazz->root.module_requires = requires_; \
1365 \
1366 clazz->root.module_interface = interface_; \
1367 \
1368 clazz->root.module_init = init_; \
1369 clazz->root.module_done = done_; \
1370 clazz->root.get_interface = get_interface_;
1372 #define FT_DEFINE_MODULE(class_, flags_, size_, name_, version_, requires_, \
1373 interface_, init_, done_, get_interface_) \
1374 void class_##_pic_free( FT_Library library ); \
1375 FT_Error class_##_pic_init( FT_Library library ); \
1376 \
1377 void \
1378 FT_Destroy_Class_##class_( FT_Library library, \
1379 FT_Module_Class* clazz ) \
1380 { \
1381 FT_Memory memory = library->memory; \
1382 class_##_pic_free( library ); \
1383 if ( clazz ) \
1384 FT_FREE( clazz ); \
1385 } \
1386 \
1387 FT_Error \
1388 FT_Create_Class_##class_( FT_Library library, \
1389 FT_Module_Class** output_class ) \
1390 { \
1391 FT_Memory memory = library->memory; \
1392 FT_Module_Class* clazz; \
1393 FT_Error error; \
1394 \
1395 if ( FT_ALLOC( clazz, sizeof(*clazz) ) ) \
1396 return error; \
1397 error = class_##_pic_init( library ); \
1398 if(error) \
1399 { \
1400 FT_FREE( clazz ); \
1401 return error; \
1402 } \
1403 \
1404 clazz->module_flags = flags_; \
1405 clazz->module_size = size_; \
1406 clazz->module_name = name_; \
1407 clazz->module_version = version_; \
1408 clazz->module_requires = requires_; \
1409 \
1410 clazz->module_interface = interface_; \
1411 \
1412 clazz->module_init = init_; \
1413 clazz->module_done = done_; \
1414 clazz->get_interface = get_interface_; \
1415 \
1416 *output_class = clazz; \
1417 return FT_Err_Ok; \
1418 }
1420 #endif /* FT_CONFIG_OPTION_PIC */
1423 FT_END_HEADER
1425 #endif /* __FTOBJS_H__ */
1428 /* END */