This file is indexed.

/usr/include/VG/openvg.h is in libopenvg1-mesa-dev-lts-utopic 10.3.2-0ubuntu1~trusty2.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  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
/* $Revision: 9203 $ on $Date:: 2009-10-07 02:21:52 -0700 #$ */

/*------------------------------------------------------------------------
 *
 * OpenVG 1.1 Reference Implementation
 * -------------------------------------
 *
 * Copyright (c) 2008 The Khronos Group Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and /or associated documentation files
 * (the "Materials "), to deal in the Materials without restriction,
 * including without limitation the rights to use, copy, modify, merge,
 * publish, distribute, sublicense, and/or sell copies of the Materials,
 * and to permit persons to whom the Materials are furnished to do so,
 * subject to the following conditions: 
 *
 * The above copyright notice and this permission notice shall be included 
 * in all copies or substantial portions of the Materials. 
 *
 * THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE MATERIALS OR
 * THE USE OR OTHER DEALINGS IN THE MATERIALS.
 *
 *//**
 * \file
 * \brief	OpenVG 1.1 API.
 *//*-------------------------------------------------------------------*/

#ifndef _OPENVG_H
#define _OPENVG_H

#include <VG/vgplatform.h>

#ifdef __cplusplus
extern "C" {
#endif

#define OPENVG_VERSION_1_0		1
#define OPENVG_VERSION_1_0_1	1
#define OPENVG_VERSION_1_1		2

#ifndef VG_MAXSHORT
#define VG_MAXSHORT 0x7FFF
#endif

#ifndef VG_MAXINT
#define VG_MAXINT 0x7FFFFFFF
#endif

#ifndef VG_MAX_ENUM
#define VG_MAX_ENUM 0x7FFFFFFF
#endif

typedef VGuint VGHandle;

typedef VGHandle VGPath;
typedef VGHandle VGImage;
typedef VGHandle VGMaskLayer;
typedef VGHandle VGFont;
typedef VGHandle VGPaint;

#define VG_INVALID_HANDLE ((VGHandle)0)

typedef enum {
  VG_FALSE               = 0,
  VG_TRUE                = 1,

  VG_BOOLEAN_FORCE_SIZE  = VG_MAX_ENUM
} VGboolean;

typedef enum {
  VG_NO_ERROR                                 = 0,
  VG_BAD_HANDLE_ERROR                         = 0x1000,
  VG_ILLEGAL_ARGUMENT_ERROR                   = 0x1001,
  VG_OUT_OF_MEMORY_ERROR                      = 0x1002,
  VG_PATH_CAPABILITY_ERROR                    = 0x1003,
  VG_UNSUPPORTED_IMAGE_FORMAT_ERROR           = 0x1004,
  VG_UNSUPPORTED_PATH_FORMAT_ERROR            = 0x1005,
  VG_IMAGE_IN_USE_ERROR                       = 0x1006,
  VG_NO_CONTEXT_ERROR                         = 0x1007,

  VG_ERROR_CODE_FORCE_SIZE                    = VG_MAX_ENUM
} VGErrorCode;

typedef enum {
  /* Mode settings */
  VG_MATRIX_MODE                              = 0x1100,
  VG_FILL_RULE                                = 0x1101,
  VG_IMAGE_QUALITY                            = 0x1102,
  VG_RENDERING_QUALITY                        = 0x1103,
  VG_BLEND_MODE                               = 0x1104,
  VG_IMAGE_MODE                               = 0x1105,

  /* Scissoring rectangles */
  VG_SCISSOR_RECTS                            = 0x1106,

  /* Color Transformation */
  VG_COLOR_TRANSFORM                          = 0x1170,
  VG_COLOR_TRANSFORM_VALUES                   = 0x1171,

  /* Stroke parameters */
  VG_STROKE_LINE_WIDTH                        = 0x1110,
  VG_STROKE_CAP_STYLE                         = 0x1111,
  VG_STROKE_JOIN_STYLE                        = 0x1112,
  VG_STROKE_MITER_LIMIT                       = 0x1113,
  VG_STROKE_DASH_PATTERN                      = 0x1114,
  VG_STROKE_DASH_PHASE                        = 0x1115,
  VG_STROKE_DASH_PHASE_RESET                  = 0x1116,

  /* Edge fill color for VG_TILE_FILL tiling mode */
  VG_TILE_FILL_COLOR                          = 0x1120,

  /* Color for vgClear */
  VG_CLEAR_COLOR                              = 0x1121,

  /* Glyph origin */
  VG_GLYPH_ORIGIN                             = 0x1122,

  /* Enable/disable alpha masking and scissoring */
  VG_MASKING                                  = 0x1130,
  VG_SCISSORING                               = 0x1131,

  /* Pixel layout information */
  VG_PIXEL_LAYOUT                             = 0x1140,
  VG_SCREEN_LAYOUT                            = 0x1141,

  /* Source format selection for image filters */
  VG_FILTER_FORMAT_LINEAR                     = 0x1150,
  VG_FILTER_FORMAT_PREMULTIPLIED              = 0x1151,

  /* Destination write enable mask for image filters */
  VG_FILTER_CHANNEL_MASK                      = 0x1152,

  /* Implementation limits (read-only) */
  VG_MAX_SCISSOR_RECTS                        = 0x1160,
  VG_MAX_DASH_COUNT                           = 0x1161,
  VG_MAX_KERNEL_SIZE                          = 0x1162,
  VG_MAX_SEPARABLE_KERNEL_SIZE                = 0x1163,
  VG_MAX_COLOR_RAMP_STOPS                     = 0x1164,
  VG_MAX_IMAGE_WIDTH                          = 0x1165,
  VG_MAX_IMAGE_HEIGHT                         = 0x1166,
  VG_MAX_IMAGE_PIXELS                         = 0x1167,
  VG_MAX_IMAGE_BYTES                          = 0x1168,
  VG_MAX_FLOAT                                = 0x1169,
  VG_MAX_GAUSSIAN_STD_DEVIATION               = 0x116A,

  VG_PARAM_TYPE_FORCE_SIZE                    = VG_MAX_ENUM
} VGParamType;

typedef enum {
  VG_RENDERING_QUALITY_NONANTIALIASED         = 0x1200,
  VG_RENDERING_QUALITY_FASTER                 = 0x1201,
  VG_RENDERING_QUALITY_BETTER                 = 0x1202, /* Default */

  VG_RENDERING_QUALITY_FORCE_SIZE             = VG_MAX_ENUM
} VGRenderingQuality;

typedef enum {
  VG_PIXEL_LAYOUT_UNKNOWN                     = 0x1300,
  VG_PIXEL_LAYOUT_RGB_VERTICAL                = 0x1301,
  VG_PIXEL_LAYOUT_BGR_VERTICAL                = 0x1302,
  VG_PIXEL_LAYOUT_RGB_HORIZONTAL              = 0x1303,
  VG_PIXEL_LAYOUT_BGR_HORIZONTAL              = 0x1304,

  VG_PIXEL_LAYOUT_FORCE_SIZE                  = VG_MAX_ENUM
} VGPixelLayout;

typedef enum {
  VG_MATRIX_PATH_USER_TO_SURFACE              = 0x1400,
  VG_MATRIX_IMAGE_USER_TO_SURFACE             = 0x1401,
  VG_MATRIX_FILL_PAINT_TO_USER                = 0x1402,
  VG_MATRIX_STROKE_PAINT_TO_USER              = 0x1403,
  VG_MATRIX_GLYPH_USER_TO_SURFACE             = 0x1404,

  VG_MATRIX_MODE_FORCE_SIZE                   = VG_MAX_ENUM
} VGMatrixMode;

typedef enum {
  VG_CLEAR_MASK                               = 0x1500,
  VG_FILL_MASK                                = 0x1501,
  VG_SET_MASK                                 = 0x1502,
  VG_UNION_MASK                               = 0x1503,
  VG_INTERSECT_MASK                           = 0x1504,
  VG_SUBTRACT_MASK                            = 0x1505,

  VG_MASK_OPERATION_FORCE_SIZE                = VG_MAX_ENUM
} VGMaskOperation;

#define VG_PATH_FORMAT_STANDARD 0

typedef enum {
  VG_PATH_DATATYPE_S_8                        =  0,
  VG_PATH_DATATYPE_S_16                       =  1,
  VG_PATH_DATATYPE_S_32                       =  2,
  VG_PATH_DATATYPE_F                          =  3,

  VG_PATH_DATATYPE_FORCE_SIZE                 = VG_MAX_ENUM
} VGPathDatatype;

typedef enum {
  VG_ABSOLUTE                                 = 0,
  VG_RELATIVE                                 = 1,

  VG_PATH_ABS_REL_FORCE_SIZE                  = VG_MAX_ENUM
} VGPathAbsRel;

typedef enum {
  VG_CLOSE_PATH                               = ( 0 << 1),
  VG_MOVE_TO                                  = ( 1 << 1),
  VG_LINE_TO                                  = ( 2 << 1),
  VG_HLINE_TO                                 = ( 3 << 1),
  VG_VLINE_TO                                 = ( 4 << 1),
  VG_QUAD_TO                                  = ( 5 << 1),
  VG_CUBIC_TO                                 = ( 6 << 1),
  VG_SQUAD_TO                                 = ( 7 << 1),
  VG_SCUBIC_TO                                = ( 8 << 1),
  VG_SCCWARC_TO                               = ( 9 << 1),
  VG_SCWARC_TO                                = (10 << 1),
  VG_LCCWARC_TO                               = (11 << 1),
  VG_LCWARC_TO                                = (12 << 1),

  VG_PATH_SEGMENT_FORCE_SIZE                  = VG_MAX_ENUM
} VGPathSegment;

typedef enum {
  VG_MOVE_TO_ABS                              = VG_MOVE_TO    | VG_ABSOLUTE,
  VG_MOVE_TO_REL                              = VG_MOVE_TO    | VG_RELATIVE,
  VG_LINE_TO_ABS                              = VG_LINE_TO    | VG_ABSOLUTE,
  VG_LINE_TO_REL                              = VG_LINE_TO    | VG_RELATIVE,
  VG_HLINE_TO_ABS                             = VG_HLINE_TO   | VG_ABSOLUTE,
  VG_HLINE_TO_REL                             = VG_HLINE_TO   | VG_RELATIVE,
  VG_VLINE_TO_ABS                             = VG_VLINE_TO   | VG_ABSOLUTE,
  VG_VLINE_TO_REL                             = VG_VLINE_TO   | VG_RELATIVE,
  VG_QUAD_TO_ABS                              = VG_QUAD_TO    | VG_ABSOLUTE,
  VG_QUAD_TO_REL                              = VG_QUAD_TO    | VG_RELATIVE,
  VG_CUBIC_TO_ABS                             = VG_CUBIC_TO   | VG_ABSOLUTE,
  VG_CUBIC_TO_REL                             = VG_CUBIC_TO   | VG_RELATIVE,
  VG_SQUAD_TO_ABS                             = VG_SQUAD_TO   | VG_ABSOLUTE,
  VG_SQUAD_TO_REL                             = VG_SQUAD_TO   | VG_RELATIVE,
  VG_SCUBIC_TO_ABS                            = VG_SCUBIC_TO  | VG_ABSOLUTE,
  VG_SCUBIC_TO_REL                            = VG_SCUBIC_TO  | VG_RELATIVE,
  VG_SCCWARC_TO_ABS                           = VG_SCCWARC_TO | VG_ABSOLUTE,
  VG_SCCWARC_TO_REL                           = VG_SCCWARC_TO | VG_RELATIVE,
  VG_SCWARC_TO_ABS                            = VG_SCWARC_TO  | VG_ABSOLUTE,
  VG_SCWARC_TO_REL                            = VG_SCWARC_TO  | VG_RELATIVE,
  VG_LCCWARC_TO_ABS                           = VG_LCCWARC_TO | VG_ABSOLUTE,
  VG_LCCWARC_TO_REL                           = VG_LCCWARC_TO | VG_RELATIVE,
  VG_LCWARC_TO_ABS                            = VG_LCWARC_TO  | VG_ABSOLUTE,
  VG_LCWARC_TO_REL                            = VG_LCWARC_TO  | VG_RELATIVE,

  VG_PATH_COMMAND_FORCE_SIZE                  = VG_MAX_ENUM
} VGPathCommand;

typedef enum {
  VG_PATH_CAPABILITY_APPEND_FROM              = (1 <<  0),
  VG_PATH_CAPABILITY_APPEND_TO                = (1 <<  1),
  VG_PATH_CAPABILITY_MODIFY                   = (1 <<  2),
  VG_PATH_CAPABILITY_TRANSFORM_FROM           = (1 <<  3),
  VG_PATH_CAPABILITY_TRANSFORM_TO             = (1 <<  4),
  VG_PATH_CAPABILITY_INTERPOLATE_FROM         = (1 <<  5),
  VG_PATH_CAPABILITY_INTERPOLATE_TO           = (1 <<  6),
  VG_PATH_CAPABILITY_PATH_LENGTH              = (1 <<  7),
  VG_PATH_CAPABILITY_POINT_ALONG_PATH         = (1 <<  8),
  VG_PATH_CAPABILITY_TANGENT_ALONG_PATH       = (1 <<  9),
  VG_PATH_CAPABILITY_PATH_BOUNDS              = (1 << 10),
  VG_PATH_CAPABILITY_PATH_TRANSFORMED_BOUNDS  = (1 << 11),
  VG_PATH_CAPABILITY_ALL                      = (1 << 12) - 1,

  VG_PATH_CAPABILITIES_FORCE_SIZE             = VG_MAX_ENUM
} VGPathCapabilities;

typedef enum {
  VG_PATH_FORMAT                              = 0x1600,
  VG_PATH_DATATYPE                            = 0x1601,
  VG_PATH_SCALE                               = 0x1602,
  VG_PATH_BIAS                                = 0x1603,
  VG_PATH_NUM_SEGMENTS                        = 0x1604,
  VG_PATH_NUM_COORDS                          = 0x1605,

  VG_PATH_PARAM_TYPE_FORCE_SIZE               = VG_MAX_ENUM
} VGPathParamType;

typedef enum {
  VG_CAP_BUTT                                 = 0x1700,
  VG_CAP_ROUND                                = 0x1701,
  VG_CAP_SQUARE                               = 0x1702,

  VG_CAP_STYLE_FORCE_SIZE                     = VG_MAX_ENUM
} VGCapStyle;

typedef enum {
  VG_JOIN_MITER                               = 0x1800,
  VG_JOIN_ROUND                               = 0x1801,
  VG_JOIN_BEVEL                               = 0x1802,

  VG_JOIN_STYLE_FORCE_SIZE                    = VG_MAX_ENUM
} VGJoinStyle;

typedef enum {
  VG_EVEN_ODD                                 = 0x1900,
  VG_NON_ZERO                                 = 0x1901,

  VG_FILL_RULE_FORCE_SIZE                     = VG_MAX_ENUM
} VGFillRule;

typedef enum {
  VG_STROKE_PATH                              = (1 << 0),
  VG_FILL_PATH                                = (1 << 1),

  VG_PAINT_MODE_FORCE_SIZE                    = VG_MAX_ENUM
} VGPaintMode;

typedef enum {
  /* Color paint parameters */
  VG_PAINT_TYPE                               = 0x1A00,
  VG_PAINT_COLOR                              = 0x1A01,
  VG_PAINT_COLOR_RAMP_SPREAD_MODE             = 0x1A02,
  VG_PAINT_COLOR_RAMP_PREMULTIPLIED           = 0x1A07,
  VG_PAINT_COLOR_RAMP_STOPS                   = 0x1A03,

  /* Linear gradient paint parameters */
  VG_PAINT_LINEAR_GRADIENT                    = 0x1A04,

  /* Radial gradient paint parameters */
  VG_PAINT_RADIAL_GRADIENT                    = 0x1A05,

  /* Pattern paint parameters */
  VG_PAINT_PATTERN_TILING_MODE                = 0x1A06,

  VG_PAINT_PARAM_TYPE_FORCE_SIZE              = VG_MAX_ENUM
} VGPaintParamType;

typedef enum {
  VG_PAINT_TYPE_COLOR                         = 0x1B00,
  VG_PAINT_TYPE_LINEAR_GRADIENT               = 0x1B01,
  VG_PAINT_TYPE_RADIAL_GRADIENT               = 0x1B02,
  VG_PAINT_TYPE_PATTERN                       = 0x1B03,

  VG_PAINT_TYPE_FORCE_SIZE                    = VG_MAX_ENUM
} VGPaintType;

typedef enum {
  VG_COLOR_RAMP_SPREAD_PAD                    = 0x1C00,
  VG_COLOR_RAMP_SPREAD_REPEAT                 = 0x1C01,
  VG_COLOR_RAMP_SPREAD_REFLECT                = 0x1C02,

  VG_COLOR_RAMP_SPREAD_MODE_FORCE_SIZE        = VG_MAX_ENUM
} VGColorRampSpreadMode;

typedef enum {
  VG_TILE_FILL                                = 0x1D00,
  VG_TILE_PAD                                 = 0x1D01,
  VG_TILE_REPEAT                              = 0x1D02,
  VG_TILE_REFLECT                             = 0x1D03,

  VG_TILING_MODE_FORCE_SIZE                   = VG_MAX_ENUM
} VGTilingMode;

typedef enum {
  /* RGB{A,X} channel ordering */
  VG_sRGBX_8888                               =  0,
  VG_sRGBA_8888                               =  1,
  VG_sRGBA_8888_PRE                           =  2,
  VG_sRGB_565                                 =  3,
  VG_sRGBA_5551                               =  4,
  VG_sRGBA_4444                               =  5,
  VG_sL_8                                     =  6,
  VG_lRGBX_8888                               =  7,
  VG_lRGBA_8888                               =  8,
  VG_lRGBA_8888_PRE                           =  9,
  VG_lL_8                                     = 10,
  VG_A_8                                      = 11,
  VG_BW_1                                     = 12,
  VG_A_1                                      = 13,
  VG_A_4                                      = 14,

  /* {A,X}RGB channel ordering */
  VG_sXRGB_8888                               =  0 | (1 << 6),
  VG_sARGB_8888                               =  1 | (1 << 6),
  VG_sARGB_8888_PRE                           =  2 | (1 << 6),
  VG_sARGB_1555                               =  4 | (1 << 6),
  VG_sARGB_4444                               =  5 | (1 << 6),
  VG_lXRGB_8888                               =  7 | (1 << 6),
  VG_lARGB_8888                               =  8 | (1 << 6),
  VG_lARGB_8888_PRE                           =  9 | (1 << 6),

  /* BGR{A,X} channel ordering */
  VG_sBGRX_8888                               =  0 | (1 << 7),
  VG_sBGRA_8888                               =  1 | (1 << 7),
  VG_sBGRA_8888_PRE                           =  2 | (1 << 7),
  VG_sBGR_565                                 =  3 | (1 << 7),
  VG_sBGRA_5551                               =  4 | (1 << 7),
  VG_sBGRA_4444                               =  5 | (1 << 7),
  VG_lBGRX_8888                               =  7 | (1 << 7),
  VG_lBGRA_8888                               =  8 | (1 << 7),
  VG_lBGRA_8888_PRE                           =  9 | (1 << 7),

  /* {A,X}BGR channel ordering */
  VG_sXBGR_8888                               =  0 | (1 << 6) | (1 << 7),
  VG_sABGR_8888                               =  1 | (1 << 6) | (1 << 7),
  VG_sABGR_8888_PRE                           =  2 | (1 << 6) | (1 << 7),
  VG_sABGR_1555                               =  4 | (1 << 6) | (1 << 7),
  VG_sABGR_4444                               =  5 | (1 << 6) | (1 << 7),
  VG_lXBGR_8888                               =  7 | (1 << 6) | (1 << 7),
  VG_lABGR_8888                               =  8 | (1 << 6) | (1 << 7),
  VG_lABGR_8888_PRE                           =  9 | (1 << 6) | (1 << 7),

  VG_IMAGE_FORMAT_FORCE_SIZE                  = VG_MAX_ENUM
} VGImageFormat;

typedef enum {
  VG_IMAGE_QUALITY_NONANTIALIASED             = (1 << 0),
  VG_IMAGE_QUALITY_FASTER                     = (1 << 1),
  VG_IMAGE_QUALITY_BETTER                     = (1 << 2),

  VG_IMAGE_QUALITY_FORCE_SIZE                 = VG_MAX_ENUM
} VGImageQuality;

typedef enum {
  VG_IMAGE_FORMAT                             = 0x1E00,
  VG_IMAGE_WIDTH                              = 0x1E01,
  VG_IMAGE_HEIGHT                             = 0x1E02,

  VG_IMAGE_PARAM_TYPE_FORCE_SIZE              = VG_MAX_ENUM
} VGImageParamType;

typedef enum {
  VG_DRAW_IMAGE_NORMAL                        = 0x1F00,
  VG_DRAW_IMAGE_MULTIPLY                      = 0x1F01,
  VG_DRAW_IMAGE_STENCIL                       = 0x1F02,

  VG_IMAGE_MODE_FORCE_SIZE                    = VG_MAX_ENUM
} VGImageMode;

typedef enum {
  VG_RED                                      = (1 << 3),
  VG_GREEN                                    = (1 << 2),
  VG_BLUE                                     = (1 << 1),
  VG_ALPHA                                    = (1 << 0),

  VG_IMAGE_CHANNEL_FORCE_SIZE                 = VG_MAX_ENUM
} VGImageChannel;

typedef enum {
  VG_BLEND_SRC                                = 0x2000,
  VG_BLEND_SRC_OVER                           = 0x2001,
  VG_BLEND_DST_OVER                           = 0x2002,
  VG_BLEND_SRC_IN                             = 0x2003,
  VG_BLEND_DST_IN                             = 0x2004,
  VG_BLEND_MULTIPLY                           = 0x2005,
  VG_BLEND_SCREEN                             = 0x2006,
  VG_BLEND_DARKEN                             = 0x2007,
  VG_BLEND_LIGHTEN                            = 0x2008,
  VG_BLEND_ADDITIVE                           = 0x2009,

  VG_BLEND_MODE_FORCE_SIZE                    = VG_MAX_ENUM
} VGBlendMode;

typedef enum {
  VG_FONT_NUM_GLYPHS                          = 0x2F00,

  VG_FONT_PARAM_TYPE_FORCE_SIZE               = VG_MAX_ENUM
} VGFontParamType;

typedef enum {
  VG_IMAGE_FORMAT_QUERY                       = 0x2100,
  VG_PATH_DATATYPE_QUERY                      = 0x2101,

  VG_HARDWARE_QUERY_TYPE_FORCE_SIZE           = VG_MAX_ENUM
} VGHardwareQueryType;

typedef enum {
  VG_HARDWARE_ACCELERATED                     = 0x2200,
  VG_HARDWARE_UNACCELERATED                   = 0x2201,

  VG_HARDWARE_QUERY_RESULT_FORCE_SIZE         = VG_MAX_ENUM
} VGHardwareQueryResult;

typedef enum {
  VG_VENDOR                                   = 0x2300,
  VG_RENDERER                                 = 0x2301,
  VG_VERSION                                  = 0x2302,
  VG_EXTENSIONS                               = 0x2303,

  VG_STRING_ID_FORCE_SIZE                     = VG_MAX_ENUM
} VGStringID;

/* Function Prototypes */

#ifndef VG_API_CALL
#	error VG_API_CALL must be defined
#endif

#ifndef VG_API_ENTRY
#   error VG_API_ENTRY must be defined 
#endif

#ifndef VG_API_EXIT
#   error VG_API_EXIT must be defined 
#endif

VG_API_CALL VGErrorCode VG_API_ENTRY vgGetError(void) VG_API_EXIT;

VG_API_CALL void VG_API_ENTRY vgFlush(void) VG_API_EXIT;
VG_API_CALL void VG_API_ENTRY vgFinish(void) VG_API_EXIT;

/* Getters and Setters */
VG_API_CALL void VG_API_ENTRY vgSetf (VGParamType type, VGfloat value) VG_API_EXIT;
VG_API_CALL void VG_API_ENTRY vgSeti (VGParamType type, VGint value) VG_API_EXIT;
VG_API_CALL void VG_API_ENTRY vgSetfv(VGParamType type, VGint count,
                         const VGfloat * values) VG_API_EXIT;
VG_API_CALL void VG_API_ENTRY vgSetiv(VGParamType type, VGint count,
                         const VGint * values) VG_API_EXIT;

VG_API_CALL VGfloat VG_API_ENTRY vgGetf(VGParamType type) VG_API_EXIT;
VG_API_CALL VGint VG_API_ENTRY vgGeti(VGParamType type) VG_API_EXIT;
VG_API_CALL VGint VG_API_ENTRY vgGetVectorSize(VGParamType type) VG_API_EXIT;
VG_API_CALL void VG_API_ENTRY vgGetfv(VGParamType type, VGint count, VGfloat * values) VG_API_EXIT;
VG_API_CALL void VG_API_ENTRY vgGetiv(VGParamType type, VGint count, VGint * values) VG_API_EXIT;

VG_API_CALL void VG_API_ENTRY vgSetParameterf(VGHandle object,
                                 VGint paramType,
                                 VGfloat value) VG_API_EXIT;
VG_API_CALL void VG_API_ENTRY vgSetParameteri(VGHandle object,
                                 VGint paramType,
                                 VGint value) VG_API_EXIT;
VG_API_CALL void VG_API_ENTRY vgSetParameterfv(VGHandle object,
                                  VGint paramType,
                                  VGint count, const VGfloat * values) VG_API_EXIT;
VG_API_CALL void VG_API_ENTRY vgSetParameteriv(VGHandle object,
                                  VGint paramType,
                                  VGint count, const VGint * values) VG_API_EXIT;

VG_API_CALL VGfloat VG_API_ENTRY vgGetParameterf(VGHandle object,
                                    VGint paramType) VG_API_EXIT;
VG_API_CALL VGint VG_API_ENTRY vgGetParameteri(VGHandle object,
                                  VGint paramType);
VG_API_CALL VGint VG_API_ENTRY vgGetParameterVectorSize(VGHandle object,
                                           VGint paramType) VG_API_EXIT;
VG_API_CALL void VG_API_ENTRY vgGetParameterfv(VGHandle object,
                                  VGint paramType,
                                  VGint count, VGfloat * values) VG_API_EXIT;
VG_API_CALL void VG_API_ENTRY vgGetParameteriv(VGHandle object,
                                  VGint paramType,
                                  VGint count, VGint * values) VG_API_EXIT;

/* Matrix Manipulation */
VG_API_CALL void VG_API_ENTRY vgLoadIdentity(void) VG_API_EXIT;
VG_API_CALL void VG_API_ENTRY vgLoadMatrix(const VGfloat * m) VG_API_EXIT;
VG_API_CALL void VG_API_ENTRY vgGetMatrix(VGfloat * m) VG_API_EXIT;
VG_API_CALL void VG_API_ENTRY vgMultMatrix(const VGfloat * m) VG_API_EXIT;
VG_API_CALL void VG_API_ENTRY vgTranslate(VGfloat tx, VGfloat ty) VG_API_EXIT;
VG_API_CALL void VG_API_ENTRY vgScale(VGfloat sx, VGfloat sy) VG_API_EXIT;
VG_API_CALL void VG_API_ENTRY vgShear(VGfloat shx, VGfloat shy) VG_API_EXIT;
VG_API_CALL void VG_API_ENTRY vgRotate(VGfloat angle) VG_API_EXIT;

/* Masking and Clearing */
VG_API_CALL void VG_API_ENTRY vgMask(VGHandle mask, VGMaskOperation operation,
                                     VGint x, VGint y,
                                     VGint width, VGint height) VG_API_EXIT;
VG_API_CALL void VG_API_ENTRY vgRenderToMask(VGPath path,
                                            VGbitfield paintModes,
                                            VGMaskOperation operation) VG_API_EXIT;
VG_API_CALL VGMaskLayer VG_API_ENTRY vgCreateMaskLayer(VGint width, VGint height) VG_API_EXIT;
VG_API_CALL void VG_API_ENTRY vgDestroyMaskLayer(VGMaskLayer maskLayer) VG_API_EXIT;
VG_API_CALL void VG_API_ENTRY vgFillMaskLayer(VGMaskLayer maskLayer,
                                             VGint x, VGint y,
                                             VGint width, VGint height,
                                             VGfloat value) VG_API_EXIT;
VG_API_CALL void VG_API_ENTRY vgCopyMask(VGMaskLayer maskLayer,
                                        VGint dx, VGint dy,
                                        VGint sx, VGint sy,
                                        VGint width, VGint height) VG_API_EXIT;
VG_API_CALL void VG_API_ENTRY vgClear(VGint x, VGint y, VGint width, VGint height) VG_API_EXIT;

/* Paths */
VG_API_CALL VGPath VG_API_ENTRY vgCreatePath(VGint pathFormat,
                                VGPathDatatype datatype,
                                VGfloat scale, VGfloat bias,
                                VGint segmentCapacityHint,
                                VGint coordCapacityHint,
                                VGbitfield capabilities) VG_API_EXIT;
VG_API_CALL void VG_API_ENTRY vgClearPath(VGPath path, VGbitfield capabilities) VG_API_EXIT;
VG_API_CALL void VG_API_ENTRY vgDestroyPath(VGPath path) VG_API_EXIT;
VG_API_CALL void VG_API_ENTRY vgRemovePathCapabilities(VGPath path,
                                          VGbitfield capabilities) VG_API_EXIT;
VG_API_CALL VGbitfield VG_API_ENTRY vgGetPathCapabilities(VGPath path) VG_API_EXIT;
VG_API_CALL void VG_API_ENTRY vgAppendPath(VGPath dstPath, VGPath srcPath) VG_API_EXIT;
VG_API_CALL void VG_API_ENTRY vgAppendPathData(VGPath dstPath,
                                  VGint numSegments,
                                  const VGubyte * pathSegments,
                                  const void * pathData) VG_API_EXIT;
VG_API_CALL void VG_API_ENTRY vgModifyPathCoords(VGPath dstPath, VGint startIndex,
                                    VGint numSegments,
                                    const void * pathData) VG_API_EXIT;
VG_API_CALL void VG_API_ENTRY vgTransformPath(VGPath dstPath, VGPath srcPath) VG_API_EXIT;
VG_API_CALL VGboolean VG_API_ENTRY vgInterpolatePath(VGPath dstPath,
                                        VGPath startPath,
                                        VGPath endPath,
                                        VGfloat amount) VG_API_EXIT;
VG_API_CALL VGfloat VG_API_ENTRY vgPathLength(VGPath path,
                                 VGint startSegment, VGint numSegments) VG_API_EXIT;
VG_API_CALL void VG_API_ENTRY vgPointAlongPath(VGPath path,
                                  VGint startSegment, VGint numSegments,
                                  VGfloat distance,
                                  VGfloat * x, VGfloat * y,
                                  VGfloat * tangentX, VGfloat * tangentY) VG_API_EXIT;
VG_API_CALL void VG_API_ENTRY vgPathBounds(VGPath path,
                              VGfloat * minX, VGfloat * minY,
                              VGfloat * width, VGfloat * height) VG_API_EXIT;
VG_API_CALL void VG_API_ENTRY vgPathTransformedBounds(VGPath path,
                                         VGfloat * minX, VGfloat * minY,
                                         VGfloat * width, VGfloat * height) VG_API_EXIT;
VG_API_CALL void VG_API_ENTRY vgDrawPath(VGPath path, VGbitfield paintModes) VG_API_EXIT;

/* Paint */
VG_API_CALL VGPaint VG_API_ENTRY vgCreatePaint(void) VG_API_EXIT;
VG_API_CALL void VG_API_ENTRY vgDestroyPaint(VGPaint paint) VG_API_EXIT;
VG_API_CALL void VG_API_ENTRY vgSetPaint(VGPaint paint, VGbitfield paintModes) VG_API_EXIT;
VG_API_CALL VGPaint VG_API_ENTRY vgGetPaint(VGPaintMode paintMode) VG_API_EXIT;
VG_API_CALL void VG_API_ENTRY vgSetColor(VGPaint paint, VGuint rgba) VG_API_EXIT;
VG_API_CALL VGuint VG_API_ENTRY vgGetColor(VGPaint paint) VG_API_EXIT;
VG_API_CALL void VG_API_ENTRY vgPaintPattern(VGPaint paint, VGImage pattern) VG_API_EXIT;

/* Images */
VG_API_CALL VGImage VG_API_ENTRY vgCreateImage(VGImageFormat format,
                                  VGint width, VGint height,
                                  VGbitfield allowedQuality) VG_API_EXIT;
VG_API_CALL void VG_API_ENTRY vgDestroyImage(VGImage image) VG_API_EXIT;
VG_API_CALL void VG_API_ENTRY vgClearImage(VGImage image,
                              VGint x, VGint y, VGint width, VGint height) VG_API_EXIT;
VG_API_CALL void VG_API_ENTRY vgImageSubData(VGImage image,
                                const void * data, VGint dataStride,
                                VGImageFormat dataFormat,
                                VGint x, VGint y, VGint width, VGint height) VG_API_EXIT;
VG_API_CALL void VG_API_ENTRY vgGetImageSubData(VGImage image,
                                   void * data, VGint dataStride,
                                   VGImageFormat dataFormat,
                                   VGint x, VGint y,
                                   VGint width, VGint height) VG_API_EXIT;
VG_API_CALL VGImage VG_API_ENTRY vgChildImage(VGImage parent,
                                 VGint x, VGint y, VGint width, VGint height) VG_API_EXIT;
VG_API_CALL VGImage VG_API_ENTRY vgGetParent(VGImage image) VG_API_EXIT; 
VG_API_CALL void VG_API_ENTRY vgCopyImage(VGImage dst, VGint dx, VGint dy,
                             VGImage src, VGint sx, VGint sy,
                             VGint width, VGint height,
                             VGboolean dither) VG_API_EXIT;
VG_API_CALL void VG_API_ENTRY vgDrawImage(VGImage image) VG_API_EXIT;
VG_API_CALL void VG_API_ENTRY vgSetPixels(VGint dx, VGint dy,
                             VGImage src, VGint sx, VGint sy,
                             VGint width, VGint height) VG_API_EXIT;
VG_API_CALL void VG_API_ENTRY vgWritePixels(const void * data, VGint dataStride,
                               VGImageFormat dataFormat,
                               VGint dx, VGint dy,
                               VGint width, VGint height) VG_API_EXIT;
VG_API_CALL void VG_API_ENTRY vgGetPixels(VGImage dst, VGint dx, VGint dy,
                             VGint sx, VGint sy,
                             VGint width, VGint height) VG_API_EXIT;
VG_API_CALL void VG_API_ENTRY vgReadPixels(void * data, VGint dataStride,
                              VGImageFormat dataFormat,
                              VGint sx, VGint sy,
                              VGint width, VGint height) VG_API_EXIT;
VG_API_CALL void VG_API_ENTRY vgCopyPixels(VGint dx, VGint dy,
                              VGint sx, VGint sy,
                              VGint width, VGint height) VG_API_EXIT;

/* Text */
VG_API_CALL VGFont VG_API_ENTRY vgCreateFont(VGint glyphCapacityHint) VG_API_EXIT;
VG_API_CALL void VG_API_ENTRY vgDestroyFont(VGFont font) VG_API_EXIT;
VG_API_CALL void VG_API_ENTRY vgSetGlyphToPath(VGFont font,
                                              VGuint glyphIndex,
                                              VGPath path,
                                              VGboolean isHinted,
                                              const VGfloat glyphOrigin [2],
                                              const VGfloat escapement[2]) VG_API_EXIT;
VG_API_CALL void VG_API_ENTRY vgSetGlyphToImage(VGFont font,
                                               VGuint glyphIndex,
                                               VGImage image,
                                               const VGfloat glyphOrigin [2],
                                               const VGfloat escapement[2]) VG_API_EXIT;
VG_API_CALL void VG_API_ENTRY vgClearGlyph(VGFont font,VGuint glyphIndex) VG_API_EXIT;
VG_API_CALL void VG_API_ENTRY vgDrawGlyph(VGFont font, 
                                         VGuint glyphIndex,
                                         VGbitfield paintModes,
                                         VGboolean allowAutoHinting) VG_API_EXIT;
VG_API_CALL void VG_API_ENTRY vgDrawGlyphs(VGFont font,
                                          VGint glyphCount,
                                          const VGuint *glyphIndices,
                                          const VGfloat *adjustments_x,
                                          const VGfloat *adjustments_y,
                                          VGbitfield paintModes,
                                          VGboolean allowAutoHinting) VG_API_EXIT;

/* Image Filters */
VG_API_CALL void VG_API_ENTRY vgColorMatrix(VGImage dst, VGImage src,
                               const VGfloat * matrix) VG_API_EXIT;
VG_API_CALL void VG_API_ENTRY vgConvolve(VGImage dst, VGImage src,
                            VGint kernelWidth, VGint kernelHeight,
                            VGint shiftX, VGint shiftY,
                            const VGshort * kernel,
                            VGfloat scale,
                            VGfloat bias,
                            VGTilingMode tilingMode) VG_API_EXIT;
VG_API_CALL void VG_API_ENTRY vgSeparableConvolve(VGImage dst, VGImage src,
                                     VGint kernelWidth,
                                     VGint kernelHeight,
                                     VGint shiftX, VGint shiftY,
                                     const VGshort * kernelX,
                                     const VGshort * kernelY,
                                     VGfloat scale,
                                     VGfloat bias,
                                     VGTilingMode tilingMode) VG_API_EXIT;
VG_API_CALL void VG_API_ENTRY vgGaussianBlur(VGImage dst, VGImage src,
                                VGfloat stdDeviationX,
                                VGfloat stdDeviationY,
                                VGTilingMode tilingMode) VG_API_EXIT;
VG_API_CALL void VG_API_ENTRY vgLookup(VGImage dst, VGImage src,
                          const VGubyte * redLUT,
                          const VGubyte * greenLUT,
                          const VGubyte * blueLUT,
                          const VGubyte * alphaLUT,
                          VGboolean outputLinear,
                          VGboolean outputPremultiplied) VG_API_EXIT;
VG_API_CALL void VG_API_ENTRY vgLookupSingle(VGImage dst, VGImage src,
                                const VGuint * lookupTable,
                                VGImageChannel sourceChannel,
                                VGboolean outputLinear,
                                VGboolean outputPremultiplied) VG_API_EXIT;

/* Hardware Queries */
VG_API_CALL VGHardwareQueryResult VG_API_ENTRY vgHardwareQuery(VGHardwareQueryType key,
                                                  VGint setting) VG_API_EXIT;

/* Renderer and Extension Information */
VG_API_CALL const VGubyte * VG_API_ENTRY vgGetString(VGStringID name) VG_API_EXIT;

#ifdef __cplusplus 
} /* extern "C" */
#endif

#endif /* _OPENVG_H */