include/VG/openvg.h

   1 /* $Revision: 9203 $ on $Date:: 2009-10-07 02:21:52 -0700 #$ */
   2
   3 /*------------------------------------------------------------------------
   4  *
   5  * OpenVG 1.1 Reference Implementation
   6  * -------------------------------------
   7  *
   8  * Copyright (c) 2008 The Khronos Group Inc.
   9  *
  10  * Permission is hereby granted, free of charge, to any person obtaining a
  11  * copy of this software and /or associated documentation files
  12  * (the "Materials "), to deal in the Materials without restriction,
  13  * including without limitation the rights to use, copy, modify, merge,
  14  * publish, distribute, sublicense, and/or sell copies of the Materials,
  15  * and to permit persons to whom the Materials are furnished to do so,
  16  * subject to the following conditions:
  17  *
  18  * The above copyright notice and this permission notice shall be included
  19  * in all copies or substantial portions of the Materials.
  20  *
  21  * THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  22  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  23  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
  24  * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
  25  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  26  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE MATERIALS OR
  27  * THE USE OR OTHER DEALINGS IN THE MATERIALS.
  28  *
  29  *//**
  30  * \file
  31  * \brief       OpenVG 1.1 API.
  32  *//*-------------------------------------------------------------------*/
  33
  34 #ifndef _OPENVG_H
  35 #define _OPENVG_H
  36
  37 #include <VG/vgplatform.h>
  38
  39 #ifdef __cplusplus
  40 extern "C" {
  41 #endif
  42
  43 #define OPENVG_VERSION_1_0              1
  44 #define OPENVG_VERSION_1_0_1    1
  45 #define OPENVG_VERSION_1_1              2
  46
  47 #ifndef VG_MAXSHORT
  48 #define VG_MAXSHORT 0x7FFF
  49 #endif
  50
  51 #ifndef VG_MAXINT
  52 #define VG_MAXINT 0x7FFFFFFF
  53 #endif
  54
  55 #ifndef VG_MAX_ENUM
  56 #define VG_MAX_ENUM 0x7FFFFFFF
  57 #endif
  58
  59 typedef VGuint VGHandle;
  60
  61 typedef VGHandle VGPath;
  62 typedef VGHandle VGImage;
  63 typedef VGHandle VGMaskLayer;
  64 typedef VGHandle VGFont;
  65 typedef VGHandle VGPaint;
  66
  67 #define VG_INVALID_HANDLE ((VGHandle)0)
  68
  69 typedef enum {
  70   VG_FALSE               = 0,
  71   VG_TRUE                = 1,
  72
  73   VG_BOOLEAN_FORCE_SIZE  = VG_MAX_ENUM
  74 } VGboolean;
  75
  76 typedef enum {
  77   VG_NO_ERROR                                 = 0,
  78   VG_BAD_HANDLE_ERROR                         = 0x1000,
  79   VG_ILLEGAL_ARGUMENT_ERROR                   = 0x1001,
  80   VG_OUT_OF_MEMORY_ERROR                      = 0x1002,
  81   VG_PATH_CAPABILITY_ERROR                    = 0x1003,
  82   VG_UNSUPPORTED_IMAGE_FORMAT_ERROR           = 0x1004,
  83   VG_UNSUPPORTED_PATH_FORMAT_ERROR            = 0x1005,
  84   VG_IMAGE_IN_USE_ERROR                       = 0x1006,
  85   VG_NO_CONTEXT_ERROR                         = 0x1007,
  86
  87   VG_ERROR_CODE_FORCE_SIZE                    = VG_MAX_ENUM
  88 } VGErrorCode;
  89
  90 typedef enum {
  91   /* Mode settings */
  92   VG_MATRIX_MODE                              = 0x1100,
  93   VG_FILL_RULE                                = 0x1101,
  94   VG_IMAGE_QUALITY                            = 0x1102,
  95   VG_RENDERING_QUALITY                        = 0x1103,
  96   VG_BLEND_MODE                               = 0x1104,
  97   VG_IMAGE_MODE                               = 0x1105,
  98
  99   /* Scissoring rectangles */
 100   VG_SCISSOR_RECTS                            = 0x1106,
 101
 102   /* Color Transformation */
 103   VG_COLOR_TRANSFORM                          = 0x1170,
 104   VG_COLOR_TRANSFORM_VALUES                   = 0x1171,
 105
 106   /* Stroke parameters */
 107   VG_STROKE_LINE_WIDTH                        = 0x1110,
 108   VG_STROKE_CAP_STYLE                         = 0x1111,
 109   VG_STROKE_JOIN_STYLE                        = 0x1112,
 110   VG_STROKE_MITER_LIMIT                       = 0x1113,
 111   VG_STROKE_DASH_PATTERN                      = 0x1114,
 112   VG_STROKE_DASH_PHASE                        = 0x1115,
 113   VG_STROKE_DASH_PHASE_RESET                  = 0x1116,
 114
 115   /* Edge fill color for VG_TILE_FILL tiling mode */
 116   VG_TILE_FILL_COLOR                          = 0x1120,
 117
 118   /* Color for vgClear */
 119   VG_CLEAR_COLOR                              = 0x1121,
 120
 121   /* Glyph origin */
 122   VG_GLYPH_ORIGIN                             = 0x1122,
 123
 124   /* Enable/disable alpha masking and scissoring */
 125   VG_MASKING                                  = 0x1130,
 126   VG_SCISSORING                               = 0x1131,
 127
 128   /* Pixel layout information */
 129   VG_PIXEL_LAYOUT                             = 0x1140,
 130   VG_SCREEN_LAYOUT                            = 0x1141,
 131
 132   /* Source format selection for image filters */
 133   VG_FILTER_FORMAT_LINEAR                     = 0x1150,
 134   VG_FILTER_FORMAT_PREMULTIPLIED              = 0x1151,
 135
 136   /* Destination write enable mask for image filters */
 137   VG_FILTER_CHANNEL_MASK                      = 0x1152,
 138
 139   /* Implementation limits (read-only) */
 140   VG_MAX_SCISSOR_RECTS                        = 0x1160,
 141   VG_MAX_DASH_COUNT                           = 0x1161,
 142   VG_MAX_KERNEL_SIZE                          = 0x1162,
 143   VG_MAX_SEPARABLE_KERNEL_SIZE                = 0x1163,
 144   VG_MAX_COLOR_RAMP_STOPS                     = 0x1164,
 145   VG_MAX_IMAGE_WIDTH                          = 0x1165,
 146   VG_MAX_IMAGE_HEIGHT                         = 0x1166,
 147   VG_MAX_IMAGE_PIXELS                         = 0x1167,
 148   VG_MAX_IMAGE_BYTES                          = 0x1168,
 149   VG_MAX_FLOAT                                = 0x1169,
 150   VG_MAX_GAUSSIAN_STD_DEVIATION               = 0x116A,
 151
 152   VG_PARAM_TYPE_FORCE_SIZE                    = VG_MAX_ENUM
 153 } VGParamType;
 154
 155 typedef enum {
 156   VG_RENDERING_QUALITY_NONANTIALIASED         = 0x1200,
 157   VG_RENDERING_QUALITY_FASTER                 = 0x1201,
 158   VG_RENDERING_QUALITY_BETTER                 = 0x1202, /* Default */
 159
 160   VG_RENDERING_QUALITY_FORCE_SIZE             = VG_MAX_ENUM
 161 } VGRenderingQuality;
 162
 163 typedef enum {
 164   VG_PIXEL_LAYOUT_UNKNOWN                     = 0x1300,
 165   VG_PIXEL_LAYOUT_RGB_VERTICAL                = 0x1301,
 166   VG_PIXEL_LAYOUT_BGR_VERTICAL                = 0x1302,
 167   VG_PIXEL_LAYOUT_RGB_HORIZONTAL              = 0x1303,
 168   VG_PIXEL_LAYOUT_BGR_HORIZONTAL              = 0x1304,
 169
 170   VG_PIXEL_LAYOUT_FORCE_SIZE                  = VG_MAX_ENUM
 171 } VGPixelLayout;
 172
 173 typedef enum {
 174   VG_MATRIX_PATH_USER_TO_SURFACE              = 0x1400,
 175   VG_MATRIX_IMAGE_USER_TO_SURFACE             = 0x1401,
 176   VG_MATRIX_FILL_PAINT_TO_USER                = 0x1402,
 177   VG_MATRIX_STROKE_PAINT_TO_USER              = 0x1403,
 178   VG_MATRIX_GLYPH_USER_TO_SURFACE             = 0x1404,
 179
 180   VG_MATRIX_MODE_FORCE_SIZE                   = VG_MAX_ENUM
 181 } VGMatrixMode;
 182
 183 typedef enum {
 184   VG_CLEAR_MASK                               = 0x1500,
 185   VG_FILL_MASK                                = 0x1501,
 186   VG_SET_MASK                                 = 0x1502,
 187   VG_UNION_MASK                               = 0x1503,
 188   VG_INTERSECT_MASK                           = 0x1504,
 189   VG_SUBTRACT_MASK                            = 0x1505,
 190
 191   VG_MASK_OPERATION_FORCE_SIZE                = VG_MAX_ENUM
 192 } VGMaskOperation;
 193
 194 #define VG_PATH_FORMAT_STANDARD 0
 195
 196 typedef enum {
 197   VG_PATH_DATATYPE_S_8                        =  0,
 198   VG_PATH_DATATYPE_S_16                       =  1,
 199   VG_PATH_DATATYPE_S_32                       =  2,
 200   VG_PATH_DATATYPE_F                          =  3,
 201
 202   VG_PATH_DATATYPE_FORCE_SIZE                 = VG_MAX_ENUM
 203 } VGPathDatatype;
 204
 205 typedef enum {
 206   VG_ABSOLUTE                                 = 0,
 207   VG_RELATIVE                                 = 1,
 208
 209   VG_PATH_ABS_REL_FORCE_SIZE                  = VG_MAX_ENUM
 210 } VGPathAbsRel;
 211
 212 typedef enum {
 213   VG_CLOSE_PATH                               = ( 0 << 1),
 214   VG_MOVE_TO                                  = ( 1 << 1),
 215   VG_LINE_TO                                  = ( 2 << 1),
 216   VG_HLINE_TO                                 = ( 3 << 1),
 217   VG_VLINE_TO                                 = ( 4 << 1),
 218   VG_QUAD_TO                                  = ( 5 << 1),
 219   VG_CUBIC_TO                                 = ( 6 << 1),
 220   VG_SQUAD_TO                                 = ( 7 << 1),
 221   VG_SCUBIC_TO                                = ( 8 << 1),
 222   VG_SCCWARC_TO                               = ( 9 << 1),
 223   VG_SCWARC_TO                                = (10 << 1),
 224   VG_LCCWARC_TO                               = (11 << 1),
 225   VG_LCWARC_TO                                = (12 << 1),
 226
 227   VG_PATH_SEGMENT_FORCE_SIZE                  = VG_MAX_ENUM
 228 } VGPathSegment;
 229
 230 typedef enum {
 231   VG_MOVE_TO_ABS                              = VG_MOVE_TO    | VG_ABSOLUTE,
 232   VG_MOVE_TO_REL                              = VG_MOVE_TO    | VG_RELATIVE,
 233   VG_LINE_TO_ABS                              = VG_LINE_TO    | VG_ABSOLUTE,
 234   VG_LINE_TO_REL                              = VG_LINE_TO    | VG_RELATIVE,
 235   VG_HLINE_TO_ABS                             = VG_HLINE_TO   | VG_ABSOLUTE,
 236   VG_HLINE_TO_REL                             = VG_HLINE_TO   | VG_RELATIVE,
 237   VG_VLINE_TO_ABS                             = VG_VLINE_TO   | VG_ABSOLUTE,
 238   VG_VLINE_TO_REL                             = VG_VLINE_TO   | VG_RELATIVE,
 239   VG_QUAD_TO_ABS                              = VG_QUAD_TO    | VG_ABSOLUTE,
 240   VG_QUAD_TO_REL                              = VG_QUAD_TO    | VG_RELATIVE,
 241   VG_CUBIC_TO_ABS                             = VG_CUBIC_TO   | VG_ABSOLUTE,
 242   VG_CUBIC_TO_REL                             = VG_CUBIC_TO   | VG_RELATIVE,
 243   VG_SQUAD_TO_ABS                             = VG_SQUAD_TO   | VG_ABSOLUTE,
 244   VG_SQUAD_TO_REL                             = VG_SQUAD_TO   | VG_RELATIVE,
 245   VG_SCUBIC_TO_ABS                            = VG_SCUBIC_TO  | VG_ABSOLUTE,
 246   VG_SCUBIC_TO_REL                            = VG_SCUBIC_TO  | VG_RELATIVE,
 247   VG_SCCWARC_TO_ABS                           = VG_SCCWARC_TO | VG_ABSOLUTE,
 248   VG_SCCWARC_TO_REL                           = VG_SCCWARC_TO | VG_RELATIVE,
 249   VG_SCWARC_TO_ABS                            = VG_SCWARC_TO  | VG_ABSOLUTE,
 250   VG_SCWARC_TO_REL                            = VG_SCWARC_TO  | VG_RELATIVE,
 251   VG_LCCWARC_TO_ABS                           = VG_LCCWARC_TO | VG_ABSOLUTE,
 252   VG_LCCWARC_TO_REL                           = VG_LCCWARC_TO | VG_RELATIVE,
 253   VG_LCWARC_TO_ABS                            = VG_LCWARC_TO  | VG_ABSOLUTE,
 254   VG_LCWARC_TO_REL                            = VG_LCWARC_TO  | VG_RELATIVE,
 255
 256   VG_PATH_COMMAND_FORCE_SIZE                  = VG_MAX_ENUM
 257 } VGPathCommand;
 258
 259 typedef enum {
 260   VG_PATH_CAPABILITY_APPEND_FROM              = (1 <<  0),
 261   VG_PATH_CAPABILITY_APPEND_TO                = (1 <<  1),
 262   VG_PATH_CAPABILITY_MODIFY                   = (1 <<  2),
 263   VG_PATH_CAPABILITY_TRANSFORM_FROM           = (1 <<  3),
 264   VG_PATH_CAPABILITY_TRANSFORM_TO             = (1 <<  4),
 265   VG_PATH_CAPABILITY_INTERPOLATE_FROM         = (1 <<  5),
 266   VG_PATH_CAPABILITY_INTERPOLATE_TO           = (1 <<  6),
 267   VG_PATH_CAPABILITY_PATH_LENGTH              = (1 <<  7),
 268   VG_PATH_CAPABILITY_POINT_ALONG_PATH         = (1 <<  8),
 269   VG_PATH_CAPABILITY_TANGENT_ALONG_PATH       = (1 <<  9),
 270   VG_PATH_CAPABILITY_PATH_BOUNDS              = (1 << 10),
 271   VG_PATH_CAPABILITY_PATH_TRANSFORMED_BOUNDS  = (1 << 11),
 272   VG_PATH_CAPABILITY_ALL                      = (1 << 12) - 1,
 273
 274   VG_PATH_CAPABILITIES_FORCE_SIZE             = VG_MAX_ENUM
 275 } VGPathCapabilities;
 276
 277 typedef enum {
 278   VG_PATH_FORMAT                              = 0x1600,
 279   VG_PATH_DATATYPE                            = 0x1601,
 280   VG_PATH_SCALE                               = 0x1602,
 281   VG_PATH_BIAS                                = 0x1603,
 282   VG_PATH_NUM_SEGMENTS                        = 0x1604,
 283   VG_PATH_NUM_COORDS                          = 0x1605,
 284
 285   VG_PATH_PARAM_TYPE_FORCE_SIZE               = VG_MAX_ENUM
 286 } VGPathParamType;
 287
 288 typedef enum {
 289   VG_CAP_BUTT                                 = 0x1700,
 290   VG_CAP_ROUND                                = 0x1701,
 291   VG_CAP_SQUARE                               = 0x1702,
 292
 293   VG_CAP_STYLE_FORCE_SIZE                     = VG_MAX_ENUM
 294 } VGCapStyle;
 295
 296 typedef enum {
 297   VG_JOIN_MITER                               = 0x1800,
 298   VG_JOIN_ROUND                               = 0x1801,
 299   VG_JOIN_BEVEL                               = 0x1802,
 300
 301   VG_JOIN_STYLE_FORCE_SIZE                    = VG_MAX_ENUM
 302 } VGJoinStyle;
 303
 304 typedef enum {
 305   VG_EVEN_ODD                                 = 0x1900,
 306   VG_NON_ZERO                                 = 0x1901,
 307
 308   VG_FILL_RULE_FORCE_SIZE                     = VG_MAX_ENUM
 309 } VGFillRule;
 310
 311 typedef enum {
 312   VG_STROKE_PATH                              = (1 << 0),
 313   VG_FILL_PATH                                = (1 << 1),
 314
 315   VG_PAINT_MODE_FORCE_SIZE                    = VG_MAX_ENUM
 316 } VGPaintMode;
 317
 318 typedef enum {
 319   /* Color paint parameters */
 320   VG_PAINT_TYPE                               = 0x1A00,
 321   VG_PAINT_COLOR                              = 0x1A01,
 322   VG_PAINT_COLOR_RAMP_SPREAD_MODE             = 0x1A02,
 323   VG_PAINT_COLOR_RAMP_PREMULTIPLIED           = 0x1A07,
 324   VG_PAINT_COLOR_RAMP_STOPS                   = 0x1A03,
 325
 326   /* Linear gradient paint parameters */
 327   VG_PAINT_LINEAR_GRADIENT                    = 0x1A04,
 328
 329   /* Radial gradient paint parameters */
 330   VG_PAINT_RADIAL_GRADIENT                    = 0x1A05,
 331
 332   /* Pattern paint parameters */
 333   VG_PAINT_PATTERN_TILING_MODE                = 0x1A06,
 334
 335   VG_PAINT_PARAM_TYPE_FORCE_SIZE              = VG_MAX_ENUM
 336 } VGPaintParamType;
 337
 338 typedef enum {
 339   VG_PAINT_TYPE_COLOR                         = 0x1B00,
 340   VG_PAINT_TYPE_LINEAR_GRADIENT               = 0x1B01,
 341   VG_PAINT_TYPE_RADIAL_GRADIENT               = 0x1B02,
 342   VG_PAINT_TYPE_PATTERN                       = 0x1B03,
 343
 344   VG_PAINT_TYPE_FORCE_SIZE                    = VG_MAX_ENUM
 345 } VGPaintType;
 346
 347 typedef enum {
 348   VG_COLOR_RAMP_SPREAD_PAD                    = 0x1C00,
 349   VG_COLOR_RAMP_SPREAD_REPEAT                 = 0x1C01,
 350   VG_COLOR_RAMP_SPREAD_REFLECT                = 0x1C02,
 351
 352   VG_COLOR_RAMP_SPREAD_MODE_FORCE_SIZE        = VG_MAX_ENUM
 353 } VGColorRampSpreadMode;
 354
 355 typedef enum {
 356   VG_TILE_FILL                                = 0x1D00,
 357   VG_TILE_PAD                                 = 0x1D01,
 358   VG_TILE_REPEAT                              = 0x1D02,
 359   VG_TILE_REFLECT                             = 0x1D03,
 360
 361   VG_TILING_MODE_FORCE_SIZE                   = VG_MAX_ENUM
 362 } VGTilingMode;
 363
 364 typedef enum {
 365   /* RGB{A,X} channel ordering */
 366   VG_sRGBX_8888                               =  0,
 367   VG_sRGBA_8888                               =  1,
 368   VG_sRGBA_8888_PRE                           =  2,
 369   VG_sRGB_565                                 =  3,
 370   VG_sRGBA_5551                               =  4,
 371   VG_sRGBA_4444                               =  5,
 372   VG_sL_8                                     =  6,
 373   VG_lRGBX_8888                               =  7,
 374   VG_lRGBA_8888                               =  8,
 375   VG_lRGBA_8888_PRE                           =  9,
 376   VG_lL_8                                     = 10,
 377   VG_A_8                                      = 11,
 378   VG_BW_1                                     = 12,
 379   VG_A_1                                      = 13,
 380   VG_A_4                                      = 14,
 381
 382   /* {A,X}RGB channel ordering */
 383   VG_sXRGB_8888                               =  0 | (1 << 6),
 384   VG_sARGB_8888                               =  1 | (1 << 6),
 385   VG_sARGB_8888_PRE                           =  2 | (1 << 6),
 386   VG_sARGB_1555                               =  4 | (1 << 6),
 387   VG_sARGB_4444                               =  5 | (1 << 6),
 388   VG_lXRGB_8888                               =  7 | (1 << 6),
 389   VG_lARGB_8888                               =  8 | (1 << 6),
 390   VG_lARGB_8888_PRE                           =  9 | (1 << 6),
 391
 392   /* BGR{A,X} channel ordering */
 393   VG_sBGRX_8888                               =  0 | (1 << 7),
 394   VG_sBGRA_8888                               =  1 | (1 << 7),
 395   VG_sBGRA_8888_PRE                           =  2 | (1 << 7),
 396   VG_sBGR_565                                 =  3 | (1 << 7),
 397   VG_sBGRA_5551                               =  4 | (1 << 7),
 398   VG_sBGRA_4444                               =  5 | (1 << 7),
 399   VG_lBGRX_8888                               =  7 | (1 << 7),
 400   VG_lBGRA_8888                               =  8 | (1 << 7),
 401   VG_lBGRA_8888_PRE                           =  9 | (1 << 7),
 402
 403   /* {A,X}BGR channel ordering */
 404   VG_sXBGR_8888                               =  0 | (1 << 6) | (1 << 7),
 405   VG_sABGR_8888                               =  1 | (1 << 6) | (1 << 7),
 406   VG_sABGR_8888_PRE                           =  2 | (1 << 6) | (1 << 7),
 407   VG_sABGR_1555                               =  4 | (1 << 6) | (1 << 7),
 408   VG_sABGR_4444                               =  5 | (1 << 6) | (1 << 7),
 409   VG_lXBGR_8888                               =  7 | (1 << 6) | (1 << 7),
 410   VG_lABGR_8888                               =  8 | (1 << 6) | (1 << 7),
 411   VG_lABGR_8888_PRE                           =  9 | (1 << 6) | (1 << 7),
 412
 413   VG_IMAGE_FORMAT_FORCE_SIZE                  = VG_MAX_ENUM
 414 } VGImageFormat;
 415
 416 typedef enum {
 417   VG_IMAGE_QUALITY_NONANTIALIASED             = (1 << 0),
 418   VG_IMAGE_QUALITY_FASTER                     = (1 << 1),
 419   VG_IMAGE_QUALITY_BETTER                     = (1 << 2),
 420
 421   VG_IMAGE_QUALITY_FORCE_SIZE                 = VG_MAX_ENUM
 422 } VGImageQuality;
 423
 424 typedef enum {
 425   VG_IMAGE_FORMAT                             = 0x1E00,
 426   VG_IMAGE_WIDTH                              = 0x1E01,
 427   VG_IMAGE_HEIGHT                             = 0x1E02,
 428
 429   VG_IMAGE_PARAM_TYPE_FORCE_SIZE              = VG_MAX_ENUM
 430 } VGImageParamType;
 431
 432 typedef enum {
 433   VG_DRAW_IMAGE_NORMAL                        = 0x1F00,
 434   VG_DRAW_IMAGE_MULTIPLY                      = 0x1F01,
 435   VG_DRAW_IMAGE_STENCIL                       = 0x1F02,
 436
 437   VG_IMAGE_MODE_FORCE_SIZE                    = VG_MAX_ENUM
 438 } VGImageMode;
 439
 440 typedef enum {
 441   VG_RED                                      = (1 << 3),
 442   VG_GREEN                                    = (1 << 2),
 443   VG_BLUE                                     = (1 << 1),
 444   VG_ALPHA                                    = (1 << 0),
 445
 446   VG_IMAGE_CHANNEL_FORCE_SIZE                 = VG_MAX_ENUM
 447 } VGImageChannel;
 448
 449 typedef enum {
 450   VG_BLEND_SRC                                = 0x2000,
 451   VG_BLEND_SRC_OVER                           = 0x2001,
 452   VG_BLEND_DST_OVER                           = 0x2002,
 453   VG_BLEND_SRC_IN                             = 0x2003,
 454   VG_BLEND_DST_IN                             = 0x2004,
 455   VG_BLEND_MULTIPLY                           = 0x2005,
 456   VG_BLEND_SCREEN                             = 0x2006,
 457   VG_BLEND_DARKEN                             = 0x2007,
 458   VG_BLEND_LIGHTEN                            = 0x2008,
 459   VG_BLEND_ADDITIVE                           = 0x2009,
 460
 461   VG_BLEND_MODE_FORCE_SIZE                    = VG_MAX_ENUM
 462 } VGBlendMode;
 463
 464 typedef enum {
 465   VG_FONT_NUM_GLYPHS                          = 0x2F00,
 466
 467   VG_FONT_PARAM_TYPE_FORCE_SIZE               = VG_MAX_ENUM
 468 } VGFontParamType;
 469
 470 typedef enum {
 471   VG_IMAGE_FORMAT_QUERY                       = 0x2100,
 472   VG_PATH_DATATYPE_QUERY                      = 0x2101,
 473
 474   VG_HARDWARE_QUERY_TYPE_FORCE_SIZE           = VG_MAX_ENUM
 475 } VGHardwareQueryType;
 476
 477 typedef enum {
 478   VG_HARDWARE_ACCELERATED                     = 0x2200,
 479   VG_HARDWARE_UNACCELERATED                   = 0x2201,
 480
 481   VG_HARDWARE_QUERY_RESULT_FORCE_SIZE         = VG_MAX_ENUM
 482 } VGHardwareQueryResult;
 483
 484 typedef enum {
 485   VG_VENDOR                                   = 0x2300,
 486   VG_RENDERER                                 = 0x2301,
 487   VG_VERSION                                  = 0x2302,
 488   VG_EXTENSIONS                               = 0x2303,
 489
 490   VG_STRING_ID_FORCE_SIZE                     = VG_MAX_ENUM
 491 } VGStringID;
 492
 493 /* Function Prototypes */
 494
 495 #ifndef VG_API_CALL
 496 #       error VG_API_CALL must be defined
 497 #endif
 498
 499 #ifndef VG_API_ENTRY
 500 #   error VG_API_ENTRY must be defined
 501 #endif
 502
 503 #ifndef VG_API_EXIT
 504 #   error VG_API_EXIT must be defined
 505 #endif
 506
 507 VG_API_CALL VGErrorCode VG_API_ENTRY vgGetError(void) VG_API_EXIT;
 508
 509 VG_API_CALL void VG_API_ENTRY vgFlush(void) VG_API_EXIT;
 510 VG_API_CALL void VG_API_ENTRY vgFinish(void) VG_API_EXIT;
 511
 512 /* Getters and Setters */
 513 VG_API_CALL void VG_API_ENTRY vgSetf (VGParamType type, VGfloat value) VG_API_EXIT;
 514 VG_API_CALL void VG_API_ENTRY vgSeti (VGParamType type, VGint value) VG_API_EXIT;
 515 VG_API_CALL void VG_API_ENTRY vgSetfv(VGParamType type, VGint count,
 516                          const VGfloat * values) VG_API_EXIT;
 517 VG_API_CALL void VG_API_ENTRY vgSetiv(VGParamType type, VGint count,
 518                          const VGint * values) VG_API_EXIT;
 519
 520 VG_API_CALL VGfloat VG_API_ENTRY vgGetf(VGParamType type) VG_API_EXIT;
 521 VG_API_CALL VGint VG_API_ENTRY vgGeti(VGParamType type) VG_API_EXIT;
 522 VG_API_CALL VGint VG_API_ENTRY vgGetVectorSize(VGParamType type) VG_API_EXIT;
 523 VG_API_CALL void VG_API_ENTRY vgGetfv(VGParamType type, VGint count, VGfloat * values) VG_API_EXIT;
 524 VG_API_CALL void VG_API_ENTRY vgGetiv(VGParamType type, VGint count, VGint * values) VG_API_EXIT;
 525
 526 VG_API_CALL void VG_API_ENTRY vgSetParameterf(VGHandle object,
 527                                  VGint paramType,
 528                                  VGfloat value) VG_API_EXIT;
 529 VG_API_CALL void VG_API_ENTRY vgSetParameteri(VGHandle object,
 530                                  VGint paramType,
 531                                  VGint value) VG_API_EXIT;
 532 VG_API_CALL void VG_API_ENTRY vgSetParameterfv(VGHandle object,
 533                                   VGint paramType,
 534                                   VGint count, const VGfloat * values) VG_API_EXIT;
 535 VG_API_CALL void VG_API_ENTRY vgSetParameteriv(VGHandle object,
 536                                   VGint paramType,
 537                                   VGint count, const VGint * values) VG_API_EXIT;
 538
 539 VG_API_CALL VGfloat VG_API_ENTRY vgGetParameterf(VGHandle object,
 540                                     VGint paramType) VG_API_EXIT;
 541 VG_API_CALL VGint VG_API_ENTRY vgGetParameteri(VGHandle object,
 542                                   VGint paramType);
 543 VG_API_CALL VGint VG_API_ENTRY vgGetParameterVectorSize(VGHandle object,
 544                                            VGint paramType) VG_API_EXIT;
 545 VG_API_CALL void VG_API_ENTRY vgGetParameterfv(VGHandle object,
 546                                   VGint paramType,
 547                                   VGint count, VGfloat * values) VG_API_EXIT;
 548 VG_API_CALL void VG_API_ENTRY vgGetParameteriv(VGHandle object,
 549                                   VGint paramType,
 550                                   VGint count, VGint * values) VG_API_EXIT;
 551
 552 /* Matrix Manipulation */
 553 VG_API_CALL void VG_API_ENTRY vgLoadIdentity(void) VG_API_EXIT;
 554 VG_API_CALL void VG_API_ENTRY vgLoadMatrix(const VGfloat * m) VG_API_EXIT;
 555 VG_API_CALL void VG_API_ENTRY vgGetMatrix(VGfloat * m) VG_API_EXIT;
 556 VG_API_CALL void VG_API_ENTRY vgMultMatrix(const VGfloat * m) VG_API_EXIT;
 557 VG_API_CALL void VG_API_ENTRY vgTranslate(VGfloat tx, VGfloat ty) VG_API_EXIT;
 558 VG_API_CALL void VG_API_ENTRY vgScale(VGfloat sx, VGfloat sy) VG_API_EXIT;
 559 VG_API_CALL void VG_API_ENTRY vgShear(VGfloat shx, VGfloat shy) VG_API_EXIT;
 560 VG_API_CALL void VG_API_ENTRY vgRotate(VGfloat angle) VG_API_EXIT;
 561
 562 /* Masking and Clearing */
 563 VG_API_CALL void VG_API_ENTRY vgMask(VGHandle mask, VGMaskOperation operation,
 564                                      VGint x, VGint y,
 565                                      VGint width, VGint height) VG_API_EXIT;
 566 VG_API_CALL void VG_API_ENTRY vgRenderToMask(VGPath path,
 567                                             VGbitfield paintModes,
 568                                             VGMaskOperation operation) VG_API_EXIT;
 569 VG_API_CALL VGMaskLayer VG_API_ENTRY vgCreateMaskLayer(VGint width, VGint height) VG_API_EXIT;
 570 VG_API_CALL void VG_API_ENTRY vgDestroyMaskLayer(VGMaskLayer maskLayer) VG_API_EXIT;
 571 VG_API_CALL void VG_API_ENTRY vgFillMaskLayer(VGMaskLayer maskLayer,
 572                                              VGint x, VGint y,
 573                                              VGint width, VGint height,
 574                                              VGfloat value) VG_API_EXIT;
 575 VG_API_CALL void VG_API_ENTRY vgCopyMask(VGMaskLayer maskLayer,
 576                                         VGint dx, VGint dy,
 577                                         VGint sx, VGint sy,
 578                                         VGint width, VGint height) VG_API_EXIT;
 579 VG_API_CALL void VG_API_ENTRY vgClear(VGint x, VGint y, VGint width, VGint height) VG_API_EXIT;
 580
 581 /* Paths */
 582 VG_API_CALL VGPath VG_API_ENTRY vgCreatePath(VGint pathFormat,
 583                                 VGPathDatatype datatype,
 584                                 VGfloat scale, VGfloat bias,
 585                                 VGint segmentCapacityHint,
 586                                 VGint coordCapacityHint,
 587                                 VGbitfield capabilities) VG_API_EXIT;
 588 VG_API_CALL void VG_API_ENTRY vgClearPath(VGPath path, VGbitfield capabilities) VG_API_EXIT;
 589 VG_API_CALL void VG_API_ENTRY vgDestroyPath(VGPath path) VG_API_EXIT;
 590 VG_API_CALL void VG_API_ENTRY vgRemovePathCapabilities(VGPath path,
 591                                           VGbitfield capabilities) VG_API_EXIT;
 592 VG_API_CALL VGbitfield VG_API_ENTRY vgGetPathCapabilities(VGPath path) VG_API_EXIT;
 593 VG_API_CALL void VG_API_ENTRY vgAppendPath(VGPath dstPath, VGPath srcPath) VG_API_EXIT;
 594 VG_API_CALL void VG_API_ENTRY vgAppendPathData(VGPath dstPath,
 595                                   VGint numSegments,
 596                                   const VGubyte * pathSegments,
 597                                   const void * pathData) VG_API_EXIT;
 598 VG_API_CALL void VG_API_ENTRY vgModifyPathCoords(VGPath dstPath, VGint startIndex,
 599                                     VGint numSegments,
 600                                     const void * pathData) VG_API_EXIT;
 601 VG_API_CALL void VG_API_ENTRY vgTransformPath(VGPath dstPath, VGPath srcPath) VG_API_EXIT;
 602 VG_API_CALL VGboolean VG_API_ENTRY vgInterpolatePath(VGPath dstPath,
 603                                         VGPath startPath,
 604                                         VGPath endPath,
 605                                         VGfloat amount) VG_API_EXIT;
 606 VG_API_CALL VGfloat VG_API_ENTRY vgPathLength(VGPath path,
 607                                  VGint startSegment, VGint numSegments) VG_API_EXIT;
 608 VG_API_CALL void VG_API_ENTRY vgPointAlongPath(VGPath path,
 609                                   VGint startSegment, VGint numSegments,
 610                                   VGfloat distance,
 611                                   VGfloat * x, VGfloat * y,
 612                                   VGfloat * tangentX, VGfloat * tangentY) VG_API_EXIT;
 613 VG_API_CALL void VG_API_ENTRY vgPathBounds(VGPath path,
 614                               VGfloat * minX, VGfloat * minY,
 615                               VGfloat * width, VGfloat * height) VG_API_EXIT;
 616 VG_API_CALL void VG_API_ENTRY vgPathTransformedBounds(VGPath path,
 617                                          VGfloat * minX, VGfloat * minY,
 618                                          VGfloat * width, VGfloat * height) VG_API_EXIT;
 619 VG_API_CALL void VG_API_ENTRY vgDrawPath(VGPath path, VGbitfield paintModes) VG_API_EXIT;
 620
 621 /* Paint */
 622 VG_API_CALL VGPaint VG_API_ENTRY vgCreatePaint(void) VG_API_EXIT;
 623 VG_API_CALL void VG_API_ENTRY vgDestroyPaint(VGPaint paint) VG_API_EXIT;
 624 VG_API_CALL void VG_API_ENTRY vgSetPaint(VGPaint paint, VGbitfield paintModes) VG_API_EXIT;
 625 VG_API_CALL VGPaint VG_API_ENTRY vgGetPaint(VGPaintMode paintMode) VG_API_EXIT;
 626 VG_API_CALL void VG_API_ENTRY vgSetColor(VGPaint paint, VGuint rgba) VG_API_EXIT;
 627 VG_API_CALL VGuint VG_API_ENTRY vgGetColor(VGPaint paint) VG_API_EXIT;
 628 VG_API_CALL void VG_API_ENTRY vgPaintPattern(VGPaint paint, VGImage pattern) VG_API_EXIT;
 629
 630 /* Images */
 631 VG_API_CALL VGImage VG_API_ENTRY vgCreateImage(VGImageFormat format,
 632                                   VGint width, VGint height,
 633                                   VGbitfield allowedQuality) VG_API_EXIT;
 634 VG_API_CALL void VG_API_ENTRY vgDestroyImage(VGImage image) VG_API_EXIT;
 635 VG_API_CALL void VG_API_ENTRY vgClearImage(VGImage image,
 636                               VGint x, VGint y, VGint width, VGint height) VG_API_EXIT;
 637 VG_API_CALL void VG_API_ENTRY vgImageSubData(VGImage image,
 638                                 const void * data, VGint dataStride,
 639                                 VGImageFormat dataFormat,
 640                                 VGint x, VGint y, VGint width, VGint height) VG_API_EXIT;
 641 VG_API_CALL void VG_API_ENTRY vgGetImageSubData(VGImage image,
 642                                    void * data, VGint dataStride,
 643                                    VGImageFormat dataFormat,
 644                                    VGint x, VGint y,
 645                                    VGint width, VGint height) VG_API_EXIT;
 646 VG_API_CALL VGImage VG_API_ENTRY vgChildImage(VGImage parent,
 647                                  VGint x, VGint y, VGint width, VGint height) VG_API_EXIT;
 648 VG_API_CALL VGImage VG_API_ENTRY vgGetParent(VGImage image) VG_API_EXIT;
 649 VG_API_CALL void VG_API_ENTRY vgCopyImage(VGImage dst, VGint dx, VGint dy,
 650                              VGImage src, VGint sx, VGint sy,
 651                              VGint width, VGint height,
 652                              VGboolean dither) VG_API_EXIT;
 653 VG_API_CALL void VG_API_ENTRY vgDrawImage(VGImage image) VG_API_EXIT;
 654 VG_API_CALL void VG_API_ENTRY vgSetPixels(VGint dx, VGint dy,
 655                              VGImage src, VGint sx, VGint sy,
 656                              VGint width, VGint height) VG_API_EXIT;
 657 VG_API_CALL void VG_API_ENTRY vgWritePixels(const void * data, VGint dataStride,
 658                                VGImageFormat dataFormat,
 659                                VGint dx, VGint dy,
 660                                VGint width, VGint height) VG_API_EXIT;
 661 VG_API_CALL void VG_API_ENTRY vgGetPixels(VGImage dst, VGint dx, VGint dy,
 662                              VGint sx, VGint sy,
 663                              VGint width, VGint height) VG_API_EXIT;
 664 VG_API_CALL void VG_API_ENTRY vgReadPixels(void * data, VGint dataStride,
 665                               VGImageFormat dataFormat,
 666                               VGint sx, VGint sy,
 667                               VGint width, VGint height) VG_API_EXIT;
 668 VG_API_CALL void VG_API_ENTRY vgCopyPixels(VGint dx, VGint dy,
 669                               VGint sx, VGint sy,
 670                               VGint width, VGint height) VG_API_EXIT;
 671
 672 /* Text */
 673 VG_API_CALL VGFont VG_API_ENTRY vgCreateFont(VGint glyphCapacityHint) VG_API_EXIT;
 674 VG_API_CALL void VG_API_ENTRY vgDestroyFont(VGFont font) VG_API_EXIT;
 675 VG_API_CALL void VG_API_ENTRY vgSetGlyphToPath(VGFont font,
 676                                               VGuint glyphIndex,
 677                                               VGPath path,
 678                                               VGboolean isHinted,
 679                                               const VGfloat glyphOrigin [2],
 680                                               const VGfloat escapement[2]) VG_API_EXIT;
 681 VG_API_CALL void VG_API_ENTRY vgSetGlyphToImage(VGFont font,
 682                                                VGuint glyphIndex,
 683                                                VGImage image,
 684                                                const VGfloat glyphOrigin [2],
 685                                                const VGfloat escapement[2]) VG_API_EXIT;
 686 VG_API_CALL void VG_API_ENTRY vgClearGlyph(VGFont font,VGuint glyphIndex) VG_API_EXIT;
 687 VG_API_CALL void VG_API_ENTRY vgDrawGlyph(VGFont font,
 688                                          VGuint glyphIndex,
 689                                          VGbitfield paintModes,
 690                                          VGboolean allowAutoHinting) VG_API_EXIT;
 691 VG_API_CALL void VG_API_ENTRY vgDrawGlyphs(VGFont font,
 692                                           VGint glyphCount,
 693                                           const VGuint *glyphIndices,
 694                                           const VGfloat *adjustments_x,
 695                                           const VGfloat *adjustments_y,
 696                                           VGbitfield paintModes,
 697                                           VGboolean allowAutoHinting) VG_API_EXIT;
 698
 699 /* Image Filters */
 700 VG_API_CALL void VG_API_ENTRY vgColorMatrix(VGImage dst, VGImage src,
 701                                const VGfloat * matrix) VG_API_EXIT;
 702 VG_API_CALL void VG_API_ENTRY vgConvolve(VGImage dst, VGImage src,
 703                             VGint kernelWidth, VGint kernelHeight,
 704                             VGint shiftX, VGint shiftY,
 705                             const VGshort * kernel,
 706                             VGfloat scale,
 707                             VGfloat bias,
 708                             VGTilingMode tilingMode) VG_API_EXIT;
 709 VG_API_CALL void VG_API_ENTRY vgSeparableConvolve(VGImage dst, VGImage src,
 710                                      VGint kernelWidth,
 711                                      VGint kernelHeight,
 712                                      VGint shiftX, VGint shiftY,
 713                                      const VGshort * kernelX,
 714                                      const VGshort * kernelY,
 715                                      VGfloat scale,
 716                                      VGfloat bias,
 717                                      VGTilingMode tilingMode) VG_API_EXIT;
 718 VG_API_CALL void VG_API_ENTRY vgGaussianBlur(VGImage dst, VGImage src,
 719                                 VGfloat stdDeviationX,
 720                                 VGfloat stdDeviationY,
 721                                 VGTilingMode tilingMode) VG_API_EXIT;
 722 VG_API_CALL void VG_API_ENTRY vgLookup(VGImage dst, VGImage src,
 723                           const VGubyte * redLUT,
 724                           const VGubyte * greenLUT,
 725                           const VGubyte * blueLUT,
 726                           const VGubyte * alphaLUT,
 727                           VGboolean outputLinear,
 728                           VGboolean outputPremultiplied) VG_API_EXIT;
 729 VG_API_CALL void VG_API_ENTRY vgLookupSingle(VGImage dst, VGImage src,
 730                                 const VGuint * lookupTable,
 731                                 VGImageChannel sourceChannel,
 732                                 VGboolean outputLinear,
 733                                 VGboolean outputPremultiplied) VG_API_EXIT;
 734
 735 /* Hardware Queries */
 736 VG_API_CALL VGHardwareQueryResult VG_API_ENTRY vgHardwareQuery(VGHardwareQueryType key,
 737                                                   VGint setting) VG_API_EXIT;
 738
 739 /* Renderer and Extension Information */
 740 VG_API_CALL const VGubyte * VG_API_ENTRY vgGetString(VGStringID name) VG_API_EXIT;
 741
 742 #ifdef __cplusplus
 743 } /* extern "C" */
 744 #endif
 745
 746 #endif /* _OPENVG_H */