summaryrefslogtreecommitdiff
path: root/legacy/evas/src/lib/include/evas_private.h
blob: 97e4ffb7adcbbdeda526ad0969bf782957cbae4b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
#ifndef EVAS_PRIVATE_H
#define EVAS_PRIVATE_H

#ifndef _GNU_SOURCE
#define _GNU_SOURCE
#endif

#include "Evas.h"

/* the evas module api */
/***********************/
/* the module api version */
#define EVAS_MODULE_API_VERSION 1

/* the module types */
typedef enum _Evas_Module_Type
{
   EVAS_MODULE_TYPE_ENGINE,
   EVAS_MODULE_TYPE_IMAGE_LOADER,
   EVAS_MODULE_TYPE_IMAGE_SAVER,
     EVAS_MODULE_TYPE_OBJECT
} Evas_Module_Type;

/* the module api structure, all modules should define this struct */
typedef struct _Evas_Module_Api Evas_Module_Api;
struct _Evas_Module_Api
{
   int			version;
   Evas_Module_Type	type;
   const char 		*name;
   const char		*author;
};

/* the module structure */
typedef struct _Evas_Module Evas_Module;
struct _Evas_Module
{
   Evas_Module_Api 	*api;	
   void			*handle;	/* the dlopen handle */
   char			*path;		/* the path where this modules is */
   char			*name;		/* the name of the dir where this module is */
   Evas_Module_Type	type;		/* the type detected by the path */
   struct
     {
	int (*open)(Evas_Module *);
	void (*close)(Evas_Module *);
     } func;
   unsigned char	loaded : 1;
   
   void		*functions;	/* this are the functions exported by the module */
   void		*data;		/* some internal data for the module i.e the id for engines */

   int           ref; /* how many refs */
   int           last_used; /* the cycle count when it was last used */
};


/* the internals of the module api use this struct to reference a path with a module type
 * instead of deduce the type from the path. 
 * */
typedef struct _Evas_Module_Path Evas_Module_Path;
struct _Evas_Module_Path
{
   Evas_Module_Type	type;
   char		       *path;
};

typedef struct _Evas_Module_Engine Evas_Module_Engine;
struct _Evas_Module_Engine
{
   int 			id;
};

/* end of evas module api */
/**************************/

/* complain when peole pass in wrong object types etc. */
#define MAGIC_DEBUG

#define RENDER_METHOD_INVALID            0x00000000

typedef struct _Evas_Layer                  Evas_Layer;
typedef struct _Evas_Font_Dir               Evas_Font_Dir;
typedef struct _Evas_Font                   Evas_Font;
typedef struct _Evas_Font_Alias             Evas_Font_Alias;
typedef struct _Evas_Data_Node              Evas_Data_Node;
typedef struct _Evas_Func_Node              Evas_Func_Node;
typedef RGBA_Image_Loadopts                 Evas_Image_Load_Opts;
typedef struct _Evas_Func                   Evas_Func;
typedef struct _Evas_Image_Load_Func        Evas_Image_Load_Func;
typedef struct _Evas_Image_Save_Func        Evas_Image_Save_Func;
typedef struct _Evas_Object_Func            Evas_Object_Func;
typedef struct _Evas_Intercept_Func         Evas_Intercept_Func;
typedef struct _Evas_Intercept_Func_Basic   Evas_Intercept_Func_Basic;
typedef struct _Evas_Intercept_Func_SizePos Evas_Intercept_Func_SizePos;
typedef struct _Evas_Intercept_Func_Obj     Evas_Intercept_Func_Obj;
typedef struct _Evas_Intercept_Func_Int     Evas_Intercept_Func_Int;
typedef struct _Evas_Key_Grab               Evas_Key_Grab;
typedef struct _Evas_Callbacks              Evas_Callbacks;
typedef struct _Evas_Format                 Evas_Format;

#define MAGIC_EVAS          0x70777770
#define MAGIC_OBJ           0x71777770
#define MAGIC_OBJ_RECTANGLE 0x71777771
#define MAGIC_OBJ_LINE      0x71777772
#define MAGIC_OBJ_GRADIENT  0x71777773
#define MAGIC_OBJ_POLYGON   0x71777774
#define MAGIC_OBJ_IMAGE     0x71777775
#define MAGIC_OBJ_TEXT      0x71777776
#define MAGIC_OBJ_SMART     0x71777777
#define MAGIC_OBJ_TEXTBLOCK 0x71777778
#define MAGIC_SMART         0x72777770

#ifdef MAGIC_DEBUG
#define MAGIC_CHECK_FAILED(o, t, m) \
{evas_debug_error(); \
 if (!o) evas_debug_input_null(); \
 else if (((t *)o)->magic == 0) evas_debug_magic_null(); \
 else evas_debug_magic_wrong((m), ((t *)o)->magic); \
}
#else
#define MAGIC_CHECK_FAILED(o, t, m)
#endif
#define MAGIC_CHECK(o, t, m) \
{if ((!o) || (!(((t *)o)->magic == (m)))) { \
MAGIC_CHECK_FAILED(o, t, m)
#define MAGIC_CHECK_END() \
}}

#define NEW_RECT(_r, _x, _y, _w, _h) \
{(_r) = malloc(sizeof(Evas_Rectangle)); \
if (_r) \
{ \
   (_r)->x = (_x); (_r)->y = (_y); \
   (_r)->w = (_w); (_r)->h = (_h); \
}}

#define MERR_NONE() _evas_alloc_error = EVAS_ALLOC_ERROR_NONE
#define MERR_FATAL() _evas_alloc_error = EVAS_ALLOC_ERROR_FATAL
#define MERR_BAD() _evas_alloc_error = EVAS_ALLOC_ERROR_RECOVERED

#define EVAS_OBJECT_IMAGE_FREE_FILE_AND_KEY(o)                              \
   if ((o)->cur.file)                                                       \
     {                                                                      \
         evas_stringshare_del((o)->cur.file);                               \
	 if ((o)->prev.file == (o)->cur.file)                               \
	       (o)->prev.file = NULL;                                       \
	 (o)->cur.file = NULL;                                              \
     }                                                                      \
   if ((o)->cur.key)                                                        \
     {                                                                      \
         evas_stringshare_del((o)->cur.key);                                \
	 if ((o)->prev.key == (o)->cur.key)                                 \
	       (o)->prev.key = NULL;                                        \
	 (o)->cur.key = NULL;                                               \
     }                                                                      \
   if ((o)->prev.file)                                                      \
     {                                                                      \
         evas_stringshare_del((o)->prev.file);                              \
	 (o)->prev.file = NULL;                                             \
     }                                                                      \
   if ((o)->prev.key)                                                       \
     {                                                                      \
         evas_stringshare_del((o)->prev.key);                               \
	 (o)->prev.key = NULL;                                              \
     }

struct _Evas_Intercept_Func_Basic
{
   void (*func) (void *data, Evas_Object *obj);
   void *data;
};

struct _Evas_Intercept_Func_SizePos
{
   void (*func) (void *data, Evas_Object *obj, Evas_Coord x, Evas_Coord y);
   void *data;
};

struct _Evas_Intercept_Func_Obj
{
   void (*func) (void *data, Evas_Object *obj, Evas_Object *obj2);
   void *data;
};

struct _Evas_Intercept_Func_Int
{
   void (*func) (void *data, Evas_Object *obj, int n);
   void *data;
};

struct _Evas_Key_Grab
{
   char               *keyname;
   Evas_Modifier_Mask  modifiers;
   Evas_Modifier_Mask  not_modifiers;
   Evas_Object        *object;
   unsigned char       exclusive : 1;
   unsigned char       just_added : 1;
   unsigned char       delete_me : 1;
};

struct _Evas_Intercept_Func
{
   Evas_Intercept_Func_Basic   show;
   Evas_Intercept_Func_Basic   hide;
   Evas_Intercept_Func_SizePos move;
   Evas_Intercept_Func_SizePos resize;
   Evas_Intercept_Func_Basic   raise;
   Evas_Intercept_Func_Basic   lower;
   Evas_Intercept_Func_Obj     stack_above;
   Evas_Intercept_Func_Obj     stack_below;
   Evas_Intercept_Func_Int     layer_set;
};

struct _Evas_Smart
{
   DATA32            magic;

   int               usage;

   unsigned char     delete_me : 1;
   unsigned char     class_allocated : 1;

   Evas_Smart_Class *smart_class;
};

struct _Evas_Modifier
{
   struct {
      int       count;
      char    **list;
   } mod;
   Evas_Modifier_Mask mask; /* ok we have a max of 64 modifiers */
};

struct _Evas_Lock
{
   struct {
      int       count;
      char    **list;
   } lock;
   Evas_Modifier_Mask mask; /* we have a max of 64 locks */
};

struct _Evas_Callbacks
{
   unsigned char     deletions_waiting : 1;
   int               walking_list;
   Evas_Object_List *callbacks;
/*   
   Evas_Object_List *down;
   Evas_Object_List *up;
   Evas_Object_List *move;
   Evas_Object_List *in;
   Evas_Object_List *out;
   Evas_Object_List *wheel;
   Evas_Object_List *key_down;
   Evas_Object_List *key_up;
   Evas_Object_List *free;
   Evas_Object_List *obj_focus_in;
   Evas_Object_List *obj_focus_out;
   Evas_Object_List *obj_show;
   Evas_Object_List *obj_hide;
   Evas_Object_List *obj_move;
   Evas_Object_List *obj_resize;
   Evas_Object_List *obj_restack;
 */
};

struct _Evas
{
   Evas_Object_List  _list_data;

   DATA32            magic;

   struct {
      unsigned char  inside : 1;
      int            mouse_grabbed;
      DATA32         button;
      Evas_Coord     x, y;

////      Evas_Coord         canvas_x, canvas_y;

      struct {
	 Evas_List *in;
      } object;

   } pointer;

   struct  {
      Evas_Coord     x, y, w, h;
      unsigned char  changed : 1;
   } viewport;

   struct {
      int            w, h;
      DATA32         render_method;
      unsigned char  changed : 1;
   } output;

   int               output_validity;

   Evas_List        *damages;
   Evas_List        *obscures;

   Evas_Layer       *layers;

   Evas_Hash        *name_hash;

   unsigned char     changed : 1;

   int               walking_list;
   int               events_frozen;

   struct {
      Evas_Module *module;
      Evas_Func *func;
      struct {
	 void *output;

	 void *context;
      } data;

      void *info;
      int   info_magic;
   } engine;

   int            delete_grabs;
   int            walking_grabs;
   Evas_List     *grabs;

   Evas_List     *font_path;

   Evas_Object   *focused;
   Evas_Modifier  modifiers;
   Evas_Lock      locks;
   unsigned int   last_timestamp;
   void          *attach_data;
   int            last_mouse_down_counter;
   int            last_mouse_up_counter;
   Evas_Font_Hinting_Flags hinting;
   unsigned char  delete_me : 1;
};

struct _Evas_Layer
{
   Evas_Object_List  _list_data;

   int               layer;
   Evas_Object      *objects;

   Evas             *evas;

   void             *engine_data;
   int               usage;
   unsigned char     delete_me : 1;
};

struct _Evas_Object
{
   Evas_Object_List  _list_data;

   DATA32            magic;

   const char       *type;
   Evas_Layer       *layer;

   struct {
      struct {
/*	 
	 struct {
	    int            x, y, w, h;
	    int            validity;
	 } geometry;
 */
	 struct {
	    int            x, y, w, h;
	    unsigned char  r, g, b, a;
	    unsigned char  visible : 1;
	    unsigned char  dirty : 1;
	 } clip;
      } cache;
      struct {
	 Evas_Coord         x, y, w, h;
      } geometry;
      struct {
	 unsigned char  r, g, b, a;
      } color;
      unsigned char     visible : 1;
      unsigned char     have_clipees : 1;
      int               layer;
      Evas_Object      *clipper;
      unsigned char     anti_alias;
      struct {
         int color_space;
      } interpolation;
      int               render_op;
   } cur, prev;

   char                       *name;

   Evas_Intercept_Func *interceptors;

   struct {
      Evas_List *elements;
   } data;

   Evas_List *grabs;

   Evas_Callbacks *callbacks;

   struct {
      Evas_List   *clipees;
      Evas_List   *changes;
   } clip;

   const Evas_Object_Func *func;

   void             *object_data;

   struct {
      int               walking_list;
      Evas_Smart       *smart;
      void             *data;
      Evas_Object      *parent;
      Evas_Object_List *contained;
      Evas_List        *callbacks;
      unsigned char     deletions_waiting : 1;
   } smart;

   int                         last_mouse_down_counter;
   int                         last_mouse_up_counter;
   int                         mouse_grabbed;

   unsigned short              store : 1;
   unsigned short              pass_events : 1;
   unsigned short              parent_pass_events : 1;
   unsigned short              parent_cache_valid : 1;
   unsigned short              repeat_events : 1;
   unsigned short              restack : 1;
   unsigned short              changed : 1;
   unsigned short              mouse_in : 1;
   unsigned short              pre_render_done : 1;
   unsigned short              intercepted : 1;
   unsigned short              focused : 1;
   unsigned short              in_layer : 1;
   unsigned short              no_propagate : 1;

   unsigned char               delete_me;
};

struct _Evas_Func_Node
{
   Evas_Object_List  _list_data;
   void (*func) (void *data, Evas *e, Evas_Object *obj, void *event_info);
   void *data;
   Evas_Callback_Type type;
   unsigned char delete_me : 1;
};

struct _Evas_Data_Node
{
   char *key;
   void *data;
};

struct _Evas_Font_Dir
{
   Evas_Hash *lookup;
   Evas_List *fonts;
   Evas_List *aliases;
   DATA64     dir_mod_time;
   DATA64     fonts_dir_mod_time;
   DATA64     fonts_alias_mod_time;
};

struct _Evas_Font
{
   char     type;
   struct {
      const char *prop[14];
   } x;
   struct {
      const char *name;
   } simple;
   const char *path;
};

struct _Evas_Font_Alias
{
   const char *alias;
   Evas_Font  *fn;
};

struct _Evas_Object_Func
{
   void (*free) (Evas_Object *obj);
   void (*render) (Evas_Object *obj, void *output, void *context, void *surface, int x, int y);
   void (*render_pre) (Evas_Object *obj);
   void (*render_post) (Evas_Object *obj);

   void (*store) (Evas_Object *obj);
   void (*unstore) (Evas_Object *obj);

   int  (*is_visible) (Evas_Object *obj);
   int  (*was_visible) (Evas_Object *obj);

   int  (*is_opaque) (Evas_Object *obj);
   int  (*was_opaque) (Evas_Object *obj);

   int  (*is_inside) (Evas_Object *obj, Evas_Coord x, Evas_Coord y);
   int  (*was_inside) (Evas_Object *obj, Evas_Coord x, Evas_Coord y);

   void (*coords_recalc) (Evas_Object *obj);
};

struct _Evas_Func
{
   void *(*info)                           (Evas *e);
   void (*info_free)                       (Evas *e, void *info);
   void (*setup)                           (Evas *e, void *info);

   void (*output_free)                     (void *data);
   void (*output_resize)                   (void *data, int w, int h);
   void (*output_tile_size_set)            (void *data, int w, int h);
   void (*output_redraws_rect_add)         (void *data, int x, int y, int w, int h);
   void (*output_redraws_rect_del)         (void *data, int x, int y, int w, int h);
   void (*output_redraws_clear)            (void *data);
   void *(*output_redraws_next_update_get) (void *data, int *x, int *y, int *w, int *h, int *cx, int *cy, int *cw, int *ch);
   void (*output_redraws_next_update_push) (void *data, void *surface, int x, int y, int w, int h);
   void (*output_flush)                    (void *data);

   void *(*context_new)                    (void *data);
   void (*context_free)                    (void *data, void *context);
   void (*context_clip_set)                (void *data, void *context, int x, int y, int w, int h);
   void (*context_clip_clip)               (void *data, void *context, int x, int y, int w, int h);
   void (*context_clip_unset)              (void *data, void *context);
   int  (*context_clip_get)                (void *data, void *context, int *x, int *y, int *w, int *h);
   void (*context_color_set)               (void *data, void *context, int r, int g, int b, int a);
   int  (*context_color_get)               (void *data, void *context, int *r, int *g, int *b, int *a);
   void (*context_multiplier_set)          (void *data, void *context, int r, int g, int b, int a);
   void (*context_multiplier_unset)        (void *data, void *context);
   int  (*context_multiplier_get)          (void *data, void *context, int *r, int *g, int *b, int *a);
   void (*context_cutout_add)              (void *data, void *context, int x, int y, int w, int h);
   void (*context_cutout_clear)            (void *data, void *context);
   void (*context_anti_alias_set)          (void *data, void *context, unsigned char aa);
   unsigned char (*context_anti_alias_get) (void *data, void *context);
   void (*context_color_interpolation_set) (void *data, void *context, int color_space);
   int  (*context_color_interpolation_get) (void *data, void *context);
   void (*context_render_op_set)           (void *data, void *context, int render_op);
   int  (*context_render_op_get)           (void *data, void *context);

   void (*rectangle_draw)                  (void *data, void *context, void *surface, int x, int y, int w, int h);

   void (*line_draw)                       (void *data, void *context, void *surface, int x1, int y1, int x2, int y2);

   void *(*polygon_point_add)              (void *data, void *context, void *polygon, int x, int y);
   void *(*polygon_points_clear)           (void *data, void *context, void *polygon);
   void (*polygon_draw)                    (void *data, void *context, void *surface, void *polygon);

   void *(*gradient_new)                   (void *data);
   void (*gradient_free)                   (void *data, void *gradient);
   void (*gradient_color_stop_add)         (void *data, void *gradient, int r, int g, int b, int a, int delta);
   void (*gradient_alpha_stop_add)         (void *data, void *gradient, int a, int delta);
   void (*gradient_color_data_set)         (void *data, void *gradient, void *map, int len, int alpha_flag);
   void (*gradient_alpha_data_set)         (void *data, void *gradient, void *alpha_map, int len);
   void (*gradient_clear)                  (void *data, void *gradient);
   void (*gradient_fill_set)               (void *data, void *gradient, int x, int y, int w, int h);
   void (*gradient_fill_angle_set)         (void *data, void *gradient, double fill_angle);
   void (*gradient_fill_spread_set)        (void *data, void *gradient, int spread);
   void (*gradient_angle_set)              (void *data, void *gradient, double angle);
   void (*gradient_offset_set)             (void *data, void *gradient, float offset);
   void (*gradient_direction_set)          (void *data, void *gradient, int direction);
   void (*gradient_type_set)               (void *data, void *gradient, char *name, char *params);
   int  (*gradient_is_opaque)              (void *data, void *context, void *gradient, int x, int y, int w, int h);
   int  (*gradient_is_visible)             (void *data, void *context, void *gradient, int x, int y, int w, int h);
   void (*gradient_render_pre)             (void *data, void *context, void *gradient);
   void (*gradient_render_post)            (void *data, void *gradient);
   void (*gradient_draw)                   (void *data, void *context, void *surface, void *gradient, int x, int y, int w, int h);

   void *(*image_load)                     (void *data, const char *file, const char *key, int *error, Evas_Image_Load_Opts *lo);
   void *(*image_new_from_data)            (void *data, int w, int h, DATA32 *image_data, int alpha, int cspace);
   void *(*image_new_from_copied_data)     (void *data, int w, int h, DATA32 *image_data, int alpha, int cspace);
   void (*image_free)                      (void *data, void *image);
   void (*image_size_get)                  (void *data, void *image, int *w, int *h);
   void *(*image_size_set)                 (void *data, void *image, int w, int h);
   void *(*image_dirty_region)             (void *data, void *image, int x, int y, int w, int h);
   void *(*image_data_get)                 (void *data, void *image, int to_write, DATA32 **image_data);
   void *(*image_data_put)                 (void *data, void *image, DATA32 *image_data);
   void *(*image_alpha_set)                (void *data, void *image, int has_alpha);
   int  (*image_alpha_get)                 (void *data, void *image);
   void *(*image_border_set)               (void *data, void *image, int l, int r, int t, int b);
   void  (*image_border_get)               (void *data, void *image, int *l, int *r, int *t, int *b);
   void (*image_draw)                      (void *data, void *context, void *surface, void *image, int src_x, int src_y, int src_w, int src_h, int dst_x, int dst_y, int dst_w, int dst_h, int smooth);
   char *(*image_comment_get)              (void *data, void *image, char *key);
   char *(*image_format_get)               (void *data, void *image);
   void (*image_colorspace_set)            (void *data, void *image, int cspace);
   int  (*image_colorspace_get)            (void *data, void *image);
   void (*image_native_set)                (void *data, void *image, void *native);
   void *(*image_native_get)               (void *data, void *image);

   void (*image_cache_flush)               (void *data);
   void (*image_cache_set)                 (void *data, int bytes);
   int  (*image_cache_get)                 (void *data);

   void *(*font_load)                      (void *data, const char *name, int size);
   void *(*font_memory_load)               (void *data, char *name, int size, const void *fdata, int fdata_size);
   void *(*font_add)                       (void *data, void *font, const char *name, int size);
   void *(*font_memory_add)                (void *data, void *font, char *name, int size, const void *fdata, int fdata_size);
   void (*font_free)                       (void *data, void *font);
   int  (*font_ascent_get)                 (void *data, void *font);
   int  (*font_descent_get)                (void *data, void *font);
   int  (*font_max_ascent_get)             (void *data, void *font);
   int  (*font_max_descent_get)            (void *data, void *font);
   void (*font_string_size_get)            (void *data, void *font, const char *text, int *w, int *h);
   int  (*font_inset_get)                  (void *data, void *font, const char *text);
   int  (*font_h_advance_get)              (void *data, void *font, const char *text);
   int  (*font_v_advance_get)              (void *data, void *font, const char *text);
   int  (*font_char_coords_get)            (void *data, void *font, const char *text, int pos, int *cx, int *cy, int *cw, int *ch);
   int  (*font_char_at_coords_get)         (void *data, void *font, const char *text, int x, int y, int *cx, int *cy, int *cw, int *ch);
   void (*font_draw)                       (void *data, void *context, void *surface, void *font, int x, int y, int w, int h, int ow, int oh, const char *text);

   void (*font_cache_flush)                (void *data);
   void (*font_cache_set)                  (void *data, int bytes);
   int  (*font_cache_get)                  (void *data);

   /* Engine functions will over time expand from here */
   
   void (*font_hinting_set)                (void *data, void *font, int hinting);
   int  (*font_hinting_can_hint)           (void *data, int hinting);
   
/*    void (*image_rotation_set)              (void *data, void *image); */

};

struct _Evas_Image_Load_Func
{
  int (*file_head) (RGBA_Image *im, const char *file, const char *key);
  int (*file_data) (RGBA_Image *im, const char *file, const char *key);
};

struct _Evas_Image_Save_Func
{
  int (*image_save) (RGBA_Image *im, const char *file, const char *key, int quality, int compress);
};

#ifdef __cplusplus
extern "C" {
#endif

Evas_Object *evas_object_new(void);
void evas_object_free(Evas_Object *obj, int clean_layer);
void evas_object_inject(Evas_Object *obj, Evas *e);
void evas_object_release(Evas_Object *obj, int clean_layer);
void evas_object_change(Evas_Object *obj);
Evas_List *evas_object_render_pre_visible_change(Evas_List *updates, Evas_Object *obj, int is_v, int was_v);
Evas_List *evas_object_render_pre_clipper_change(Evas_List *updates, Evas_Object *obj);
Evas_List *evas_object_render_pre_prev_cur_add(Evas_List *updates, Evas_Object *obj);
void evas_object_render_pre_effect_updates(Evas_List *updates, Evas_Object *obj, int is_v, int was_v);
Evas_List * evas_rects_return_difference_rects(int x, int y, int w, int h, int xx, int yy, int ww, int hh);
void evas_object_clip_recalc(Evas_Object *obj);
void evas_object_clip_dirty(Evas_Object *obj);
void evas_object_recalc_clippees(Evas_Object *obj);
Evas_Layer *evas_layer_new(Evas *e);
void evas_layer_pre_free(Evas_Layer *lay);
void evas_layer_free(Evas_Layer *lay);
Evas_Layer *evas_layer_find(Evas *e, int layer_num);
void evas_layer_add(Evas_Layer *lay);
void evas_layer_del(Evas_Layer *lay);
void evas_object_coords_recalc(Evas_Object *obj);
int evas_object_is_active(Evas_Object *obj);
int evas_object_is_in_output_rect(Evas_Object *obj, int x, int y, int w, int h);
int evas_object_was_in_output_rect(Evas_Object *obj, int x, int y, int w, int h);
int evas_object_is_visible(Evas_Object *obj);
int evas_object_was_visible(Evas_Object *obj);
int evas_object_is_opaque(Evas_Object *obj);
int evas_object_was_opaque(Evas_Object *obj);
//void evas_object_recalc_clippees(Evas_Object *obj);
int evas_object_clippers_is_visible(Evas_Object *obj);
int evas_object_clippers_was_visible(Evas_Object *obj);
void evas_object_event_callback_call(Evas_Object *obj, Evas_Callback_Type type, void *event_info);
int evas_event_passes_through(Evas_Object *obj);
Evas_List *evas_event_objects_event_list(Evas *e, Evas_Object *stop, int x, int y);
int evas_file_path_is_full_path(const char *path);
char *evas_file_path_join(const char *path, const char *end);
int evas_file_path_exists(const char *path);
int evas_file_path_is_file(const char *path);
int evas_file_path_is_dir(const char *path);
Evas_List *evas_file_path_list(char *path, const char *match, int match_case);
DATA64 evas_file_modified_time(const char *file);
char *evas_file_path_resolve(const char *file);
int evas_mem_free(int mem_required);
int evas_mem_degrade(int mem_required);
void evas_debug_error(void);
void evas_debug_input_null(void);
void evas_debug_magic_null(void);
void evas_debug_magic_wrong(DATA32 expected, DATA32 supplied);
void evas_debug_generic(const char *str);
const char *evas_debug_magic_string_get(DATA32 magic);
void evas_object_smart_use(Evas_Smart *s);
void evas_object_smart_unuse(Evas_Smart *s);
void evas_object_smart_del(Evas_Object *obj);
void evas_object_smart_cleanup(Evas_Object *obj);
void *evas_mem_calloc(int size);
void evas_object_event_callback_all_del(Evas_Object *obj);
void evas_object_event_callback_cleanup(Evas_Object *obj);
void evas_object_inform_call_show(Evas_Object *obj);
void evas_object_inform_call_hide(Evas_Object *obj);
void evas_object_inform_call_move(Evas_Object *obj);
void evas_object_inform_call_resize(Evas_Object *obj);
void evas_object_inform_call_restack(Evas_Object *obj);
void evas_object_intercept_cleanup(Evas_Object *obj);
int evas_object_intercept_call_show(Evas_Object *obj);
int evas_object_intercept_call_hide(Evas_Object *obj);
int evas_object_intercept_call_move(Evas_Object *obj, Evas_Coord x, Evas_Coord y);
int evas_object_intercept_call_resize(Evas_Object *obj, Evas_Coord w, Evas_Coord h);
int evas_object_intercept_call_raise(Evas_Object *obj);
int evas_object_intercept_call_lower(Evas_Object *obj);
int evas_object_intercept_call_stack_above(Evas_Object *obj, Evas_Object *above);
int evas_object_intercept_call_stack_below(Evas_Object *obj, Evas_Object *below);
int evas_object_intercept_call_layer_set(Evas_Object *obj, int l);
void evas_object_grabs_cleanup(Evas_Object *obj);
void evas_key_grab_free(Evas_Object *obj, const char *keyname, Evas_Modifier_Mask modifiers, Evas_Modifier_Mask not_modifiers);
void evas_font_dir_cache_free(void);
const char *evas_font_dir_cache_find(char *dir, char *font);
Evas_List *evas_font_dir_available_list(Evas* evas);
void evas_font_dir_available_list_free(Evas_List *available);
void evas_font_free(Evas *evas, void *font);
void *evas_font_load(Evas *evas, const char *name, const char *source, int size);
void evas_font_load_hinting_set(Evas *evas, void *font, int hinting);   
void evas_object_smart_member_cache_invalidate(Evas_Object *obj);
void evas_text_style_pad_get(Evas_Text_Style_Type style, int *l, int *r, int *t, int *b);
void _evas_object_text_rehint(Evas_Object *obj);
void _evas_object_textblock_rehint(Evas_Object *obj);
       
extern int _evas_alloc_error;

struct _Evas_Imaging_Image
{
   RGBA_Image *image;
};

struct _Evas_Imaging_Font
{
   RGBA_Font *font;
};

typedef struct _Evas_Mempool Evas_Mempool;
   
struct _Evas_Mempool
{
   int           item_size;
   int           pool_size;
   int           usage;
   void         *first, *last;
};

void *evas_mempool_malloc(Evas_Mempool *pool, int size);
void  evas_mempool_free(Evas_Mempool *pool, void *ptr);
void *evas_mempool_calloc(Evas_Mempool *pool, int size);

void evas_module_paths_init(void);
void evas_module_init(void);
Evas_Module * evas_module_find_type(Evas_Module_Type type, const char *name);
int evas_module_load(Evas_Module *em);
void evas_module_unload(Evas_Module *em);
void evas_module_ref(Evas_Module *em);
void evas_module_unref(Evas_Module *em);
void evas_module_use(Evas_Module *em);
void evas_module_clean(void);
void evas_module_shutdown(void);

void _evas_walk(Evas *e);
void _evas_unwalk(Evas *e);
       
EAPI int _evas_module_engine_inherit(Evas_Func *funcs, char *name);
       
#define EVAS_API_OVERRIDE(func, api, prefix) \
     (api)->func = prefix##func
#ifdef __cplusplus
}
#endif
#endif