openvg/openvginterface/include/1.1/openvg.h
changeset 0 5d03bc08d59c
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     1 /*------------------------------------------------------------------------
       
     2  *
       
     3  * OpenVG 1.1 Reference Implementation
       
     4  * -------------------------------------
       
     5  *
       
     6  * Copyright (c) 2008-2009 The Khronos Group Inc.
       
     7  *
       
     8  * Permission is hereby granted, free of charge, to any person obtaining a
       
     9  * copy of this software and /or associated documentation files
       
    10  * (the "Materials "), to deal in the Materials without restriction,
       
    11  * including without limitation the rights to use, copy, modify, merge,
       
    12  * publish, distribute, sublicense, and/or sell copies of the Materials,
       
    13  * and to permit persons to whom the Materials are furnished to do so,
       
    14  * subject to the following conditions: 
       
    15  *
       
    16  * The above copyright notice and this permission notice shall be included 
       
    17  * in all copies or substantial portions of the Materials. 
       
    18  *
       
    19  * THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
       
    20  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
       
    21  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
       
    22  * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
       
    23  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
       
    24  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE MATERIALS OR
       
    25  * THE USE OR OTHER DEALINGS IN THE MATERIALS.
       
    26  *
       
    27  *//**
       
    28  * \file
       
    29  * \brief	OpenVG 1.1 API.
       
    30  *//*-------------------------------------------------------------------*/
       
    31 
       
    32 #ifndef __VG_1_1_OPENVG_H
       
    33 #define __VG_1_1_OPENVG_H
       
    34 
       
    35 #ifndef __VG_OPENVG_H_
       
    36 #error Do not include this file directly. Use <VG/openvg.h>.
       
    37 #endif
       
    38 
       
    39 /* differences from the actual sample implemtation provided by Khronos:
       
    40 - this comment
       
    41 - the Doxygen comment with tag 'publishedAll', and tag 'released'
       
    42 - changing 
       
    43 	#define VG_API_CALL extern 
       
    44 	to 
       
    45 	#define VG_API_CALL IMPORT_C
       
    46 - the addition of __SOFTFP to all function prototypes
       
    47 - the addition of VG_PATH_DATATYPE_INVALID in VGPathDatatype
       
    48 - the addition of VG_IMAGE_FORMAT_INVALID in VGImageFormat
       
    49 - the addition of VGeglImageKHR typedef for the VG_KHR_EGL_image extension
       
    50  */
       
    51 
       
    52 /**
       
    53 @publishedAll
       
    54 @released
       
    55 */
       
    56 
       
    57 #ifdef __cplusplus
       
    58 extern "C" {
       
    59 #endif
       
    60 
       
    61 #include <khronos_types.h>
       
    62 
       
    63 #define OPENVG_VERSION_1_0		1
       
    64 #define OPENVG_VERSION_1_0_1	1
       
    65 #define OPENVG_VERSION_1_1		2
       
    66 
       
    67 typedef khronos_float_t  VGfloat;
       
    68 typedef khronos_int8_t   VGbyte;
       
    69 typedef khronos_uint8_t  VGubyte;
       
    70 typedef khronos_int16_t  VGshort;
       
    71 typedef khronos_int32_t  VGint;
       
    72 typedef khronos_uint32_t VGuint;
       
    73 typedef khronos_uint32_t VGbitfield;
       
    74 
       
    75 typedef enum {
       
    76   VG_FALSE = 0,
       
    77   VG_TRUE  = 1
       
    78 } VGboolean;
       
    79 
       
    80 #define VG_MAXSHORT ((VGshort)((~((unsigned)0)) >> 1))
       
    81 #define VG_MAXINT ((VGint)((~((unsigned)0)) >> 1))
       
    82 
       
    83 typedef VGuint VGHandle;
       
    84 
       
    85 #define VG_INVALID_HANDLE ((VGHandle)0)
       
    86 
       
    87 typedef enum {
       
    88   VG_NO_ERROR                                 = 0,
       
    89   VG_BAD_HANDLE_ERROR                         = 0x1000,
       
    90   VG_ILLEGAL_ARGUMENT_ERROR                   = 0x1001,
       
    91   VG_OUT_OF_MEMORY_ERROR                      = 0x1002,
       
    92   VG_PATH_CAPABILITY_ERROR                    = 0x1003,
       
    93   VG_UNSUPPORTED_IMAGE_FORMAT_ERROR           = 0x1004,
       
    94   VG_UNSUPPORTED_PATH_FORMAT_ERROR            = 0x1005,
       
    95   VG_IMAGE_IN_USE_ERROR                       = 0x1006,
       
    96   VG_NO_CONTEXT_ERROR                         = 0x1007
       
    97 } VGErrorCode;
       
    98 
       
    99 typedef enum {
       
   100   /* Mode settings */
       
   101   VG_MATRIX_MODE                              = 0x1100,
       
   102   VG_FILL_RULE                                = 0x1101,
       
   103   VG_IMAGE_QUALITY                            = 0x1102,
       
   104   VG_RENDERING_QUALITY                        = 0x1103,
       
   105   VG_BLEND_MODE                               = 0x1104,
       
   106   VG_IMAGE_MODE                               = 0x1105,
       
   107 
       
   108   /* Scissoring rectangles */
       
   109   VG_SCISSOR_RECTS                            = 0x1106,
       
   110 
       
   111   /* Color Transformation */
       
   112   VG_COLOR_TRANSFORM                          = 0x1170,
       
   113   VG_COLOR_TRANSFORM_VALUES                   = 0x1171,
       
   114 
       
   115   /* Stroke parameters */
       
   116   VG_STROKE_LINE_WIDTH                        = 0x1110,
       
   117   VG_STROKE_CAP_STYLE                         = 0x1111,
       
   118   VG_STROKE_JOIN_STYLE                        = 0x1112,
       
   119   VG_STROKE_MITER_LIMIT                       = 0x1113,
       
   120   VG_STROKE_DASH_PATTERN                      = 0x1114,
       
   121   VG_STROKE_DASH_PHASE                        = 0x1115,
       
   122   VG_STROKE_DASH_PHASE_RESET                  = 0x1116,
       
   123 
       
   124   /* Edge fill color for VG_TILE_FILL tiling mode */
       
   125   VG_TILE_FILL_COLOR                          = 0x1120,
       
   126 
       
   127   /* Color for vgClear */
       
   128   VG_CLEAR_COLOR                              = 0x1121,
       
   129 
       
   130   /* Glyph origin */
       
   131   VG_GLYPH_ORIGIN                             = 0x1122,
       
   132 
       
   133   /* Enable/disable alpha masking and scissoring */
       
   134   VG_MASKING                                  = 0x1130,
       
   135   VG_SCISSORING                               = 0x1131,
       
   136 
       
   137   /* Pixel layout information */
       
   138   VG_PIXEL_LAYOUT                             = 0x1140,
       
   139   VG_SCREEN_LAYOUT                            = 0x1141,
       
   140 
       
   141   /* Source format selection for image filters */
       
   142   VG_FILTER_FORMAT_LINEAR                     = 0x1150,
       
   143   VG_FILTER_FORMAT_PREMULTIPLIED              = 0x1151,
       
   144 
       
   145   /* Destination write enable mask for image filters */
       
   146   VG_FILTER_CHANNEL_MASK                      = 0x1152,
       
   147 
       
   148   /* Implementation limits (read-only) */
       
   149   VG_MAX_SCISSOR_RECTS                        = 0x1160,
       
   150   VG_MAX_DASH_COUNT                           = 0x1161,
       
   151   VG_MAX_KERNEL_SIZE                          = 0x1162,
       
   152   VG_MAX_SEPARABLE_KERNEL_SIZE                = 0x1163,
       
   153   VG_MAX_COLOR_RAMP_STOPS                     = 0x1164,
       
   154   VG_MAX_IMAGE_WIDTH                          = 0x1165,
       
   155   VG_MAX_IMAGE_HEIGHT                         = 0x1166,
       
   156   VG_MAX_IMAGE_PIXELS                         = 0x1167,
       
   157   VG_MAX_IMAGE_BYTES                          = 0x1168,
       
   158   VG_MAX_FLOAT                                = 0x1169,
       
   159   VG_MAX_GAUSSIAN_STD_DEVIATION               = 0x116A
       
   160 } VGParamType;
       
   161 
       
   162 typedef enum {
       
   163   VG_RENDERING_QUALITY_NONANTIALIASED         = 0x1200,
       
   164   VG_RENDERING_QUALITY_FASTER                 = 0x1201,
       
   165   VG_RENDERING_QUALITY_BETTER                 = 0x1202  /* Default */
       
   166 } VGRenderingQuality;
       
   167 
       
   168 typedef enum {
       
   169   VG_PIXEL_LAYOUT_UNKNOWN                     = 0x1300,
       
   170   VG_PIXEL_LAYOUT_RGB_VERTICAL                = 0x1301,
       
   171   VG_PIXEL_LAYOUT_BGR_VERTICAL                = 0x1302,
       
   172   VG_PIXEL_LAYOUT_RGB_HORIZONTAL              = 0x1303,
       
   173   VG_PIXEL_LAYOUT_BGR_HORIZONTAL              = 0x1304
       
   174 } VGPixelLayout;
       
   175 
       
   176 typedef enum {
       
   177   VG_MATRIX_PATH_USER_TO_SURFACE              = 0x1400,
       
   178   VG_MATRIX_IMAGE_USER_TO_SURFACE             = 0x1401,
       
   179   VG_MATRIX_FILL_PAINT_TO_USER                = 0x1402,
       
   180   VG_MATRIX_STROKE_PAINT_TO_USER              = 0x1403,
       
   181   VG_MATRIX_GLYPH_USER_TO_SURFACE             = 0x1404
       
   182 } VGMatrixMode;
       
   183 
       
   184 typedef enum {
       
   185   VG_CLEAR_MASK                               = 0x1500,
       
   186   VG_FILL_MASK                                = 0x1501,
       
   187   VG_SET_MASK                                 = 0x1502,
       
   188   VG_UNION_MASK                               = 0x1503,
       
   189   VG_INTERSECT_MASK                           = 0x1504,
       
   190   VG_SUBTRACT_MASK                            = 0x1505
       
   191 } VGMaskOperation;
       
   192 
       
   193 #define VG_PATH_FORMAT_STANDARD 0
       
   194 
       
   195 typedef enum {
       
   196   VG_PATH_DATATYPE_INVALID                    = -1,
       
   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 } VGPathDatatype;
       
   202 
       
   203 typedef enum {
       
   204   VG_ABSOLUTE                                 = 0,
       
   205   VG_RELATIVE                                 = 1
       
   206 } VGPathAbsRel;
       
   207 
       
   208 typedef enum {
       
   209   VG_CLOSE_PATH                               = ( 0 << 1),
       
   210   VG_MOVE_TO                                  = ( 1 << 1),
       
   211   VG_LINE_TO                                  = ( 2 << 1),
       
   212   VG_HLINE_TO                                 = ( 3 << 1),
       
   213   VG_VLINE_TO                                 = ( 4 << 1),
       
   214   VG_QUAD_TO                                  = ( 5 << 1),
       
   215   VG_CUBIC_TO                                 = ( 6 << 1),
       
   216   VG_SQUAD_TO                                 = ( 7 << 1),
       
   217   VG_SCUBIC_TO                                = ( 8 << 1),
       
   218   VG_SCCWARC_TO                               = ( 9 << 1),
       
   219   VG_SCWARC_TO                                = (10 << 1),
       
   220   VG_LCCWARC_TO                               = (11 << 1),
       
   221   VG_LCWARC_TO                                = (12 << 1)
       
   222 } VGPathSegment;
       
   223 
       
   224 typedef enum {
       
   225   VG_MOVE_TO_ABS                              = VG_MOVE_TO    | VG_ABSOLUTE,
       
   226   VG_MOVE_TO_REL                              = VG_MOVE_TO    | VG_RELATIVE,
       
   227   VG_LINE_TO_ABS                              = VG_LINE_TO    | VG_ABSOLUTE,
       
   228   VG_LINE_TO_REL                              = VG_LINE_TO    | VG_RELATIVE,
       
   229   VG_HLINE_TO_ABS                             = VG_HLINE_TO   | VG_ABSOLUTE,
       
   230   VG_HLINE_TO_REL                             = VG_HLINE_TO   | VG_RELATIVE,
       
   231   VG_VLINE_TO_ABS                             = VG_VLINE_TO   | VG_ABSOLUTE,
       
   232   VG_VLINE_TO_REL                             = VG_VLINE_TO   | VG_RELATIVE,
       
   233   VG_QUAD_TO_ABS                              = VG_QUAD_TO    | VG_ABSOLUTE,
       
   234   VG_QUAD_TO_REL                              = VG_QUAD_TO    | VG_RELATIVE,
       
   235   VG_CUBIC_TO_ABS                             = VG_CUBIC_TO   | VG_ABSOLUTE,
       
   236   VG_CUBIC_TO_REL                             = VG_CUBIC_TO   | VG_RELATIVE,
       
   237   VG_SQUAD_TO_ABS                             = VG_SQUAD_TO   | VG_ABSOLUTE,
       
   238   VG_SQUAD_TO_REL                             = VG_SQUAD_TO   | VG_RELATIVE,
       
   239   VG_SCUBIC_TO_ABS                            = VG_SCUBIC_TO  | VG_ABSOLUTE,
       
   240   VG_SCUBIC_TO_REL                            = VG_SCUBIC_TO  | VG_RELATIVE,
       
   241   VG_SCCWARC_TO_ABS                           = VG_SCCWARC_TO | VG_ABSOLUTE,
       
   242   VG_SCCWARC_TO_REL                           = VG_SCCWARC_TO | VG_RELATIVE,
       
   243   VG_SCWARC_TO_ABS                            = VG_SCWARC_TO  | VG_ABSOLUTE,
       
   244   VG_SCWARC_TO_REL                            = VG_SCWARC_TO  | VG_RELATIVE,
       
   245   VG_LCCWARC_TO_ABS                           = VG_LCCWARC_TO | VG_ABSOLUTE,
       
   246   VG_LCCWARC_TO_REL                           = VG_LCCWARC_TO | VG_RELATIVE,
       
   247   VG_LCWARC_TO_ABS                            = VG_LCWARC_TO  | VG_ABSOLUTE,
       
   248   VG_LCWARC_TO_REL                            = VG_LCWARC_TO  | VG_RELATIVE
       
   249 } VGPathCommand;
       
   250 
       
   251 typedef VGHandle VGPath;
       
   252 
       
   253 typedef enum {
       
   254   VG_PATH_CAPABILITY_APPEND_FROM              = (1 <<  0),
       
   255   VG_PATH_CAPABILITY_APPEND_TO                = (1 <<  1),
       
   256   VG_PATH_CAPABILITY_MODIFY                   = (1 <<  2),
       
   257   VG_PATH_CAPABILITY_TRANSFORM_FROM           = (1 <<  3),
       
   258   VG_PATH_CAPABILITY_TRANSFORM_TO             = (1 <<  4),
       
   259   VG_PATH_CAPABILITY_INTERPOLATE_FROM         = (1 <<  5),
       
   260   VG_PATH_CAPABILITY_INTERPOLATE_TO           = (1 <<  6),
       
   261   VG_PATH_CAPABILITY_PATH_LENGTH              = (1 <<  7),
       
   262   VG_PATH_CAPABILITY_POINT_ALONG_PATH         = (1 <<  8),
       
   263   VG_PATH_CAPABILITY_TANGENT_ALONG_PATH       = (1 <<  9),
       
   264   VG_PATH_CAPABILITY_PATH_BOUNDS              = (1 << 10),
       
   265   VG_PATH_CAPABILITY_PATH_TRANSFORMED_BOUNDS  = (1 << 11),
       
   266   VG_PATH_CAPABILITY_ALL                      = (1 << 12) - 1
       
   267 } VGPathCapabilities;
       
   268 
       
   269 typedef enum {
       
   270   VG_PATH_FORMAT                              = 0x1600,
       
   271   VG_PATH_DATATYPE                            = 0x1601,
       
   272   VG_PATH_SCALE                               = 0x1602,
       
   273   VG_PATH_BIAS                                = 0x1603,
       
   274   VG_PATH_NUM_SEGMENTS                        = 0x1604,
       
   275   VG_PATH_NUM_COORDS                          = 0x1605
       
   276 } VGPathParamType;
       
   277 
       
   278 typedef enum {
       
   279   VG_CAP_BUTT                                 = 0x1700,
       
   280   VG_CAP_ROUND                                = 0x1701,
       
   281   VG_CAP_SQUARE                               = 0x1702
       
   282 } VGCapStyle;
       
   283 
       
   284 typedef enum {
       
   285   VG_JOIN_MITER                               = 0x1800,
       
   286   VG_JOIN_ROUND                               = 0x1801,
       
   287   VG_JOIN_BEVEL                               = 0x1802
       
   288 } VGJoinStyle;
       
   289 
       
   290 typedef enum {
       
   291   VG_EVEN_ODD                                 = 0x1900,
       
   292   VG_NON_ZERO                                 = 0x1901
       
   293 } VGFillRule;
       
   294 
       
   295 typedef enum {
       
   296   VG_STROKE_PATH                              = (1 << 0),
       
   297   VG_FILL_PATH                                = (1 << 1)
       
   298 } VGPaintMode;
       
   299 
       
   300 typedef VGHandle VGPaint;
       
   301 
       
   302 typedef enum {
       
   303   /* Color paint parameters */
       
   304   VG_PAINT_TYPE                               = 0x1A00,
       
   305   VG_PAINT_COLOR                              = 0x1A01,
       
   306   VG_PAINT_COLOR_RAMP_SPREAD_MODE             = 0x1A02,
       
   307   VG_PAINT_COLOR_RAMP_PREMULTIPLIED           = 0x1A07,
       
   308   VG_PAINT_COLOR_RAMP_STOPS                   = 0x1A03,
       
   309 
       
   310   /* Linear gradient paint parameters */
       
   311   VG_PAINT_LINEAR_GRADIENT                    = 0x1A04,
       
   312 
       
   313   /* Radial gradient paint parameters */
       
   314   VG_PAINT_RADIAL_GRADIENT                    = 0x1A05,
       
   315 
       
   316   /* Pattern paint parameters */
       
   317   VG_PAINT_PATTERN_TILING_MODE                = 0x1A06
       
   318 } VGPaintParamType;
       
   319 
       
   320 typedef enum {
       
   321   VG_PAINT_TYPE_COLOR                         = 0x1B00,
       
   322   VG_PAINT_TYPE_LINEAR_GRADIENT               = 0x1B01,
       
   323   VG_PAINT_TYPE_RADIAL_GRADIENT               = 0x1B02,
       
   324   VG_PAINT_TYPE_PATTERN                       = 0x1B03
       
   325 } VGPaintType;
       
   326 
       
   327 typedef enum {
       
   328   VG_COLOR_RAMP_SPREAD_PAD                    = 0x1C00,
       
   329   VG_COLOR_RAMP_SPREAD_REPEAT                 = 0x1C01,
       
   330   VG_COLOR_RAMP_SPREAD_REFLECT                = 0x1C02
       
   331 } VGColorRampSpreadMode;
       
   332 
       
   333 typedef enum {
       
   334   VG_TILE_FILL                                = 0x1D00,
       
   335   VG_TILE_PAD                                 = 0x1D01,
       
   336   VG_TILE_REPEAT                              = 0x1D02,
       
   337   VG_TILE_REFLECT                             = 0x1D03
       
   338 } VGTilingMode;
       
   339 
       
   340 typedef enum {
       
   341   /* RGB{A,X} channel ordering */
       
   342   VG_IMAGE_FORMAT_INVALID                     = -1,
       
   343   VG_sRGBX_8888                               =  0,
       
   344   VG_sRGBA_8888                               =  1,
       
   345   VG_sRGBA_8888_PRE                           =  2,
       
   346   VG_sRGB_565                                 =  3,
       
   347   VG_sRGBA_5551                               =  4,
       
   348   VG_sRGBA_4444                               =  5,
       
   349   VG_sL_8                                     =  6,
       
   350   VG_lRGBX_8888                               =  7,
       
   351   VG_lRGBA_8888                               =  8,
       
   352   VG_lRGBA_8888_PRE                           =  9,
       
   353   VG_lL_8                                     = 10,
       
   354   VG_A_8                                      = 11,
       
   355   VG_BW_1                                     = 12,
       
   356   VG_A_1                                      = 13,
       
   357   VG_A_4                                      = 14,
       
   358 
       
   359   /* {A,X}RGB channel ordering */
       
   360   VG_sXRGB_8888                               =  0 | (1 << 6),
       
   361   VG_sARGB_8888                               =  1 | (1 << 6),
       
   362   VG_sARGB_8888_PRE                           =  2 | (1 << 6),
       
   363   VG_sARGB_1555                               =  4 | (1 << 6),
       
   364   VG_sARGB_4444                               =  5 | (1 << 6),
       
   365   VG_lXRGB_8888                               =  7 | (1 << 6),
       
   366   VG_lARGB_8888                               =  8 | (1 << 6),
       
   367   VG_lARGB_8888_PRE                           =  9 | (1 << 6),
       
   368 
       
   369   /* BGR{A,X} channel ordering */
       
   370   VG_sBGRX_8888                               =  0 | (1 << 7),
       
   371   VG_sBGRA_8888                               =  1 | (1 << 7),
       
   372   VG_sBGRA_8888_PRE                           =  2 | (1 << 7),
       
   373   VG_sBGR_565                                 =  3 | (1 << 7),
       
   374   VG_sBGRA_5551                               =  4 | (1 << 7),
       
   375   VG_sBGRA_4444                               =  5 | (1 << 7),
       
   376   VG_lBGRX_8888                               =  7 | (1 << 7),
       
   377   VG_lBGRA_8888                               =  8 | (1 << 7),
       
   378   VG_lBGRA_8888_PRE                           =  9 | (1 << 7),
       
   379 
       
   380   /* {A,X}BGR channel ordering */
       
   381   VG_sXBGR_8888                               =  0 | (1 << 6) | (1 << 7),
       
   382   VG_sABGR_8888                               =  1 | (1 << 6) | (1 << 7),
       
   383   VG_sABGR_8888_PRE                           =  2 | (1 << 6) | (1 << 7),
       
   384   VG_sABGR_1555                               =  4 | (1 << 6) | (1 << 7),
       
   385   VG_sABGR_4444                               =  5 | (1 << 6) | (1 << 7),
       
   386   VG_lXBGR_8888                               =  7 | (1 << 6) | (1 << 7),
       
   387   VG_lABGR_8888                               =  8 | (1 << 6) | (1 << 7),
       
   388   VG_lABGR_8888_PRE                           =  9 | (1 << 6) | (1 << 7)
       
   389 } VGImageFormat;
       
   390 
       
   391 typedef VGHandle VGImage;
       
   392 typedef int VGeglImageKHR;
       
   393 
       
   394 typedef enum {
       
   395   VG_IMAGE_QUALITY_NONANTIALIASED             = (1 << 0),
       
   396   VG_IMAGE_QUALITY_FASTER                     = (1 << 1),
       
   397   VG_IMAGE_QUALITY_BETTER                     = (1 << 2)
       
   398 } VGImageQuality;
       
   399 
       
   400 typedef enum {
       
   401   VG_IMAGE_FORMAT                             = 0x1E00,
       
   402   VG_IMAGE_WIDTH                              = 0x1E01,
       
   403   VG_IMAGE_HEIGHT                             = 0x1E02
       
   404 } VGImageParamType;
       
   405 
       
   406 typedef enum {
       
   407   VG_DRAW_IMAGE_NORMAL                        = 0x1F00,
       
   408   VG_DRAW_IMAGE_MULTIPLY                      = 0x1F01,
       
   409   VG_DRAW_IMAGE_STENCIL                       = 0x1F02
       
   410 } VGImageMode;
       
   411 
       
   412 typedef enum {
       
   413   VG_RED                                      = (1 << 3),
       
   414   VG_GREEN                                    = (1 << 2),
       
   415   VG_BLUE                                     = (1 << 1),
       
   416   VG_ALPHA                                    = (1 << 0)
       
   417 } VGImageChannel;
       
   418 
       
   419 typedef enum {
       
   420   VG_BLEND_SRC                                = 0x2000,
       
   421   VG_BLEND_SRC_OVER                           = 0x2001,
       
   422   VG_BLEND_DST_OVER                           = 0x2002,
       
   423   VG_BLEND_SRC_IN                             = 0x2003,
       
   424   VG_BLEND_DST_IN                             = 0x2004,
       
   425   VG_BLEND_MULTIPLY                           = 0x2005,
       
   426   VG_BLEND_SCREEN                             = 0x2006,
       
   427   VG_BLEND_DARKEN                             = 0x2007,
       
   428   VG_BLEND_LIGHTEN                            = 0x2008,
       
   429   VG_BLEND_ADDITIVE                           = 0x2009
       
   430 } VGBlendMode;
       
   431 
       
   432 typedef enum {
       
   433   VG_IMAGE_FORMAT_QUERY                       = 0x2100,
       
   434   VG_PATH_DATATYPE_QUERY                      = 0x2101
       
   435 } VGHardwareQueryType;
       
   436 
       
   437 typedef enum {
       
   438   VG_HARDWARE_ACCELERATED                     = 0x2200,
       
   439   VG_HARDWARE_UNACCELERATED                   = 0x2201
       
   440 } VGHardwareQueryResult;
       
   441 
       
   442 typedef enum {
       
   443   VG_VENDOR                                   = 0x2300,
       
   444   VG_RENDERER                                 = 0x2301,
       
   445   VG_VERSION                                  = 0x2302,
       
   446   VG_EXTENSIONS                               = 0x2303
       
   447 } VGStringID;
       
   448 
       
   449 typedef enum {
       
   450   VG_FONT_NUM_GLYPHS                          = 0x2F00
       
   451 } VGFontParamType;
       
   452 
       
   453 
       
   454 /* Function Prototypes */
       
   455 
       
   456 #ifndef VG_API_CALL
       
   457 #   if defined(SYMBIAN_VG_DLL_EXPORTS) 
       
   458 #       define VG_API_CALL EXPORT_C
       
   459 #   else
       
   460 #       define VG_API_CALL IMPORT_C
       
   461 #   endif //defined(SYMBIAN_VG_DLL_EXPORTS)
       
   462 #endif
       
   463 #ifndef VG_APIENTRY
       
   464 #define VG_APIENTRY /* nothing */
       
   465 #endif
       
   466 #ifndef VG_APIEXIT
       
   467 #define VG_APIEXIT __SOFTFP
       
   468 #endif
       
   469 
       
   470 VG_API_CALL VGErrorCode VG_APIENTRY
       
   471     vgGetError(void) VG_APIEXIT;
       
   472 
       
   473 VG_API_CALL void VG_APIENTRY
       
   474     vgFlush(void) VG_APIEXIT;
       
   475 VG_API_CALL void VG_APIENTRY
       
   476     vgFinish(void) VG_APIEXIT;
       
   477 
       
   478 /* Getters and Setters */
       
   479 VG_API_CALL void VG_APIENTRY
       
   480    vgSetf (VGParamType type, VGfloat value) VG_APIEXIT;
       
   481 VG_API_CALL void VG_APIENTRY
       
   482     vgSeti (VGParamType type, VGint value) VG_APIEXIT;
       
   483 VG_API_CALL void VG_APIENTRY
       
   484     vgSetfv(VGParamType type, VGint count,
       
   485         const VGfloat * values) VG_APIEXIT;
       
   486 VG_API_CALL void VG_APIENTRY
       
   487     vgSetiv(VGParamType type, VGint count,
       
   488         const VGint * values) VG_APIEXIT;
       
   489 VG_API_CALL VGfloat VG_APIENTRY
       
   490     vgGetf(VGParamType type) VG_APIEXIT;
       
   491 VG_API_CALL VGint   VG_APIENTRY
       
   492     vgGeti(VGParamType type) VG_APIEXIT;
       
   493 VG_API_CALL VGint   VG_APIENTRY
       
   494     vgGetVectorSize(VGParamType type) VG_APIEXIT;
       
   495 VG_API_CALL void    VG_APIENTRY
       
   496     vgGetfv(VGParamType type, VGint count,
       
   497         VGfloat * values) VG_APIEXIT;
       
   498 VG_API_CALL void    VG_APIENTRY
       
   499     vgGetiv(VGParamType type, VGint count,
       
   500         VGint * values) VG_APIEXIT;
       
   501 VG_API_CALL void VG_APIENTRY
       
   502     vgSetParameterf(VGHandle object,
       
   503         VGint paramType,
       
   504         VGfloat value) VG_APIEXIT;
       
   505 VG_API_CALL void VG_APIENTRY
       
   506     vgSetParameteri(VGHandle object,
       
   507         VGint paramType,
       
   508         VGint value) VG_APIEXIT;
       
   509 VG_API_CALL void VG_APIENTRY
       
   510     vgSetParameterfv(VGHandle object,
       
   511         VGint paramType,
       
   512         VGint count,
       
   513         const VGfloat * values) VG_APIEXIT;
       
   514 VG_API_CALL void VG_APIENTRY
       
   515     vgSetParameteriv(VGHandle object,
       
   516         VGint paramType,
       
   517         VGint count,
       
   518         const VGint * values) VG_APIEXIT;
       
   519 
       
   520 VG_API_CALL VGfloat VG_APIENTRY
       
   521     vgGetParameterf(VGHandle object,
       
   522         VGint paramType) VG_APIEXIT;
       
   523 VG_API_CALL VGint VG_APIENTRY
       
   524     vgGetParameteri(VGHandle object,
       
   525         VGint paramType) VG_APIEXIT;
       
   526 VG_API_CALL VGint VG_APIENTRY
       
   527     vgGetParameterVectorSize(VGHandle object,
       
   528         VGint paramType) VG_APIEXIT;
       
   529 VG_API_CALL void VG_APIENTRY
       
   530     vgGetParameterfv(VGHandle object,
       
   531         VGint paramType,
       
   532         VGint count,
       
   533         VGfloat * values) VG_APIEXIT;
       
   534 VG_API_CALL void VG_APIENTRY
       
   535     vgGetParameteriv(VGHandle object,
       
   536         VGint paramType,
       
   537         VGint count,
       
   538         VGint * values) VG_APIEXIT;
       
   539 
       
   540 /* Matrix Manipulation */
       
   541 VG_API_CALL void VG_APIENTRY
       
   542     vgLoadIdentity(void) VG_APIEXIT;
       
   543 VG_API_CALL void VG_APIENTRY
       
   544     vgLoadMatrix(const VGfloat * m) VG_APIEXIT;
       
   545 VG_API_CALL void VG_APIENTRY
       
   546     vgGetMatrix(VGfloat * m) VG_APIEXIT;
       
   547 VG_API_CALL void VG_APIENTRY
       
   548     vgMultMatrix(const VGfloat * m) VG_APIEXIT;
       
   549 VG_API_CALL void VG_APIENTRY
       
   550     vgTranslate(VGfloat tx, VGfloat ty) VG_APIEXIT;
       
   551 VG_API_CALL void VG_APIENTRY
       
   552     vgScale(VGfloat sx, VGfloat sy) VG_APIEXIT;
       
   553 VG_API_CALL void VG_APIENTRY
       
   554     vgShear(VGfloat shx, VGfloat shy) VG_APIEXIT;
       
   555 VG_API_CALL void VG_APIENTRY
       
   556     vgRotate(VGfloat angle) VG_APIEXIT;
       
   557 
       
   558 /* Masking and Clearing */
       
   559 typedef VGHandle VGMaskLayer;
       
   560 
       
   561 VG_API_CALL void VG_APIENTRY
       
   562     vgMask(VGHandle mask, VGMaskOperation operation,
       
   563         VGint x, VGint y,
       
   564         VGint width, VGint height) VG_APIEXIT;
       
   565 VG_API_CALL void VG_APIENTRY
       
   566     vgRenderToMask(VGPath path,
       
   567         VGbitfield paintModes,
       
   568         VGMaskOperation operation) VG_APIEXIT;
       
   569 VG_API_CALL VGMaskLayer VG_APIENTRY
       
   570     vgCreateMaskLayer(VGint width, VGint height) VG_APIEXIT;
       
   571 VG_API_CALL void VG_APIENTRY
       
   572     vgDestroyMaskLayer(VGMaskLayer maskLayer) VG_APIEXIT;
       
   573 VG_API_CALL void VG_APIENTRY
       
   574     vgFillMaskLayer(VGMaskLayer maskLayer,
       
   575         VGint x, VGint y,
       
   576         VGint width, VGint height,
       
   577         VGfloat value) VG_APIEXIT;
       
   578 VG_API_CALL void VG_APIENTRY
       
   579     vgCopyMask(VGMaskLayer maskLayer,
       
   580         VGint sx, VGint sy,
       
   581         VGint dx, VGint dy,
       
   582         VGint width, VGint height) VG_APIEXIT;
       
   583 VG_API_CALL void VG_APIENTRY
       
   584     vgClear(VGint x, VGint y,
       
   585         VGint width, VGint height) VG_APIEXIT;
       
   586 
       
   587 /* Paths */
       
   588 VG_API_CALL VGPath VG_APIENTRY
       
   589     vgCreatePath(VGint pathFormat,
       
   590         VGPathDatatype datatype,
       
   591         VGfloat scale, VGfloat bias,
       
   592         VGint segmentCapacityHint,
       
   593         VGint coordCapacityHint,
       
   594         VGbitfield capabilities) VG_APIEXIT;
       
   595 VG_API_CALL void VG_APIENTRY
       
   596     vgClearPath(VGPath path, VGbitfield capabilities) VG_APIEXIT;
       
   597 VG_API_CALL void VG_APIENTRY
       
   598     vgDestroyPath(VGPath path) VG_APIEXIT;
       
   599 VG_API_CALL void VG_APIENTRY
       
   600     vgRemovePathCapabilities(VGPath path,
       
   601         VGbitfield capabilities) VG_APIEXIT;
       
   602 VG_API_CALL VGbitfield VG_APIENTRY
       
   603     vgGetPathCapabilities(VGPath path) VG_APIEXIT;
       
   604 VG_API_CALL void VG_APIENTRY
       
   605     vgAppendPath(VGPath dstPath, VGPath srcPath) VG_APIEXIT;
       
   606 VG_API_CALL void VG_APIENTRY
       
   607     vgAppendPathData(VGPath dstPath,
       
   608         VGint numSegments,
       
   609         const VGubyte * pathSegments,
       
   610         const void * pathData) VG_APIEXIT;
       
   611 VG_API_CALL void VG_APIENTRY
       
   612     vgModifyPathCoords(VGPath dstPath,
       
   613         VGint startIndex,
       
   614         VGint numSegments,
       
   615         const void * pathData) VG_APIEXIT;
       
   616 VG_API_CALL void VG_APIENTRY
       
   617     vgTransformPath(VGPath dstPath, VGPath srcPath) VG_APIEXIT;
       
   618 VG_API_CALL VGboolean VG_APIENTRY
       
   619     vgInterpolatePath(VGPath dstPath,
       
   620         VGPath startPath,
       
   621         VGPath endPath,
       
   622         VGfloat amount) VG_APIEXIT;
       
   623 VG_API_CALL VGfloat VG_APIENTRY
       
   624     vgPathLength(VGPath path,
       
   625         VGint startSegment,
       
   626         VGint numSegments) VG_APIEXIT;
       
   627 VG_API_CALL void VG_APIENTRY
       
   628     vgPointAlongPath(VGPath path,
       
   629         VGint startSegment,
       
   630         VGint numSegments,
       
   631         VGfloat distance,
       
   632         VGfloat * x, VGfloat * y,
       
   633         VGfloat * tangentX,
       
   634         VGfloat * tangentY) VG_APIEXIT;
       
   635 VG_API_CALL void VG_APIENTRY
       
   636     vgPathBounds(VGPath path,
       
   637         VGfloat * minX,
       
   638         VGfloat * minY,
       
   639         VGfloat * width,
       
   640         VGfloat * height) VG_APIEXIT;
       
   641 VG_API_CALL void VG_APIENTRY
       
   642     vgPathTransformedBounds(VGPath path,
       
   643         VGfloat * minX,
       
   644         VGfloat * minY,
       
   645         VGfloat * width,
       
   646         VGfloat * height) VG_APIEXIT;
       
   647 VG_API_CALL void VG_APIENTRY
       
   648     vgDrawPath(VGPath path, VGbitfield paintModes) VG_APIEXIT;
       
   649 
       
   650 /* Paint */
       
   651 VG_API_CALL VGPaint VG_APIENTRY
       
   652     vgCreatePaint(void) VG_APIEXIT;
       
   653 VG_API_CALL void VG_APIENTRY
       
   654     vgDestroyPaint(VGPaint paint) VG_APIEXIT;
       
   655 VG_API_CALL void VG_APIENTRY
       
   656     vgSetPaint(VGPaint paint, VGbitfield paintModes) VG_APIEXIT;
       
   657 VG_API_CALL VGPaint VG_APIENTRY
       
   658     vgGetPaint(VGPaintMode paintMode) VG_APIEXIT;
       
   659 VG_API_CALL void VG_APIENTRY
       
   660     vgSetColor(VGPaint paint, VGuint rgba) VG_APIEXIT;
       
   661 VG_API_CALL VGuint VG_APIENTRY
       
   662     vgGetColor(VGPaint paint) VG_APIEXIT;
       
   663 VG_API_CALL void VG_APIENTRY
       
   664     vgPaintPattern(VGPaint paint, VGImage pattern) VG_APIEXIT;
       
   665 
       
   666 /* Images */
       
   667 VG_API_CALL VGImage VG_APIENTRY
       
   668     vgCreateImage(VGImageFormat format,
       
   669         VGint width, VGint height,
       
   670         VGbitfield allowedQuality) VG_APIEXIT;
       
   671 VG_API_CALL void VG_APIENTRY
       
   672     vgDestroyImage(VGImage image) VG_APIEXIT;
       
   673 VG_API_CALL void VG_APIENTRY
       
   674     vgClearImage(VGImage image,
       
   675         VGint x, VGint y,
       
   676         VGint width, VGint height) VG_APIEXIT;
       
   677 VG_API_CALL void VG_APIENTRY
       
   678     vgImageSubData(VGImage image,
       
   679         const void * data,
       
   680         VGint dataStride,
       
   681         VGImageFormat dataFormat,
       
   682         VGint x, VGint y,
       
   683         VGint width, VGint height) VG_APIEXIT;
       
   684 VG_API_CALL void VG_APIENTRY
       
   685     vgGetImageSubData(VGImage image,
       
   686         void * data,
       
   687         VGint dataStride,
       
   688         VGImageFormat dataFormat,
       
   689         VGint x, VGint y,
       
   690         VGint width, VGint height) VG_APIEXIT;
       
   691 VG_API_CALL VGImage VG_APIENTRY
       
   692     vgChildImage(VGImage parent,
       
   693         VGint x, VGint y,
       
   694         VGint width, VGint height) VG_APIEXIT;
       
   695 VG_API_CALL VGImage VG_APIENTRY
       
   696     vgGetParent(VGImage image) VG_APIEXIT;
       
   697 VG_API_CALL void VG_APIENTRY
       
   698     vgCopyImage(VGImage dst, VGint dx, VGint dy,
       
   699         VGImage src, VGint sx, VGint sy,
       
   700         VGint width, VGint height,
       
   701         VGboolean dither) VG_APIEXIT;
       
   702 VG_API_CALL void VG_APIENTRY
       
   703     vgDrawImage(VGImage image) VG_APIEXIT;
       
   704 VG_API_CALL void VG_APIENTRY
       
   705     vgSetPixels(VGint dx, VGint dy,
       
   706         VGImage src, VGint sx, VGint sy,
       
   707         VGint width, VGint height) VG_APIEXIT;
       
   708 VG_API_CALL void VG_APIENTRY
       
   709     vgWritePixels(const void * data, VGint dataStride,
       
   710         VGImageFormat dataFormat,
       
   711         VGint dx, VGint dy,
       
   712         VGint width, VGint height) VG_APIEXIT;
       
   713 VG_API_CALL void VG_APIENTRY
       
   714     vgGetPixels(VGImage dst, VGint dx, VGint dy,
       
   715         VGint sx, VGint sy,
       
   716         VGint width, VGint height) VG_APIEXIT;
       
   717 VG_API_CALL void VG_APIENTRY
       
   718     vgReadPixels(void * data, VGint dataStride,
       
   719         VGImageFormat dataFormat,
       
   720         VGint sx, VGint sy,
       
   721         VGint width, VGint height) VG_APIEXIT;
       
   722 VG_API_CALL void VG_APIENTRY
       
   723     vgCopyPixels(VGint dx, VGint dy,
       
   724         VGint sx, VGint sy,
       
   725         VGint width, VGint height) VG_APIEXIT;
       
   726 
       
   727 /* Text */
       
   728 typedef VGHandle VGFont;
       
   729 
       
   730 VG_API_CALL VGFont VG_APIENTRY
       
   731     vgCreateFont(VGint glyphCapacityHint) VG_APIEXIT;
       
   732 VG_API_CALL void VG_APIENTRY
       
   733     vgDestroyFont(VGFont font) VG_APIEXIT;
       
   734 VG_API_CALL void VG_APIENTRY
       
   735     vgSetGlyphToPath(VGFont font,
       
   736         VGuint glyphIndex,
       
   737         VGPath path,
       
   738         VGboolean isHinted,
       
   739         const VGfloat glyphOrigin [2],
       
   740         const VGfloat escapement[2]) VG_APIEXIT;
       
   741 VG_API_CALL void VG_APIENTRY
       
   742     vgSetGlyphToImage(VGFont font,
       
   743         VGuint glyphIndex,
       
   744         VGImage image,
       
   745         const VGfloat glyphOrigin [2],
       
   746         const VGfloat escapement[2]) VG_APIEXIT;
       
   747 VG_API_CALL void VG_APIENTRY
       
   748     vgClearGlyph(VGFont font,
       
   749         VGuint glyphIndex) VG_APIEXIT;
       
   750 VG_API_CALL void VG_APIENTRY
       
   751     vgDrawGlyph(VGFont font,
       
   752         VGuint glyphIndex,
       
   753         VGbitfield paintModes,
       
   754         VGboolean allowAutoHinting) VG_APIEXIT;
       
   755 VG_API_CALL void VG_APIENTRY
       
   756     vgDrawGlyphs(VGFont font,
       
   757         VGint glyphCount,
       
   758         const VGuint * glyphIndices,
       
   759         const VGfloat * adjustments_x,
       
   760         const VGfloat * adjustments_y,
       
   761         VGbitfield paintModes,
       
   762         VGboolean allowAutoHinting) VG_APIEXIT;
       
   763 
       
   764 /* Image Filters */
       
   765 VG_API_CALL void VG_APIENTRY
       
   766     vgColorMatrix(VGImage dst, VGImage src,
       
   767         const VGfloat * matrix) VG_APIEXIT;
       
   768 VG_API_CALL void VG_APIENTRY
       
   769     vgConvolve(VGImage dst, VGImage src,
       
   770         VGint kernelWidth, VGint kernelHeight,
       
   771         VGint shiftX, VGint shiftY,
       
   772         const VGshort * kernel,
       
   773         VGfloat scale,
       
   774         VGfloat bias,
       
   775         VGTilingMode tilingMode) VG_APIEXIT;
       
   776 VG_API_CALL void VG_APIENTRY
       
   777     vgSeparableConvolve(VGImage dst, VGImage src,
       
   778         VGint kernelWidth,
       
   779         VGint kernelHeight,
       
   780         VGint shiftX, VGint shiftY,
       
   781         const VGshort * kernelX,
       
   782         const VGshort * kernelY,
       
   783         VGfloat scale,
       
   784         VGfloat bias,
       
   785         VGTilingMode tilingMode) VG_APIEXIT;
       
   786 VG_API_CALL void VG_APIENTRY
       
   787     vgGaussianBlur(VGImage dst, VGImage src,
       
   788         VGfloat stdDeviationX,
       
   789         VGfloat stdDeviationY,
       
   790         VGTilingMode tilingMode) VG_APIEXIT;
       
   791 VG_API_CALL void VG_APIENTRY
       
   792     vgLookup(VGImage dst, VGImage src,
       
   793         const VGubyte * redLUT,
       
   794         const VGubyte * greenLUT,
       
   795         const VGubyte * blueLUT,
       
   796         const VGubyte * alphaLUT,
       
   797         VGboolean outputLinear,
       
   798         VGboolean outputPremultiplied) VG_APIEXIT;
       
   799 VG_API_CALL void VG_APIENTRY
       
   800     vgLookupSingle(VGImage dst, VGImage src,
       
   801         const VGuint * lookupTable,
       
   802         VGImageChannel sourceChannel,
       
   803         VGboolean outputLinear,
       
   804         VGboolean outputPremultiplied) VG_APIEXIT;
       
   805 
       
   806 /* Hardware Queries */
       
   807 VG_API_CALL VGHardwareQueryResult VG_APIENTRY
       
   808     vgHardwareQuery
       
   809         (VGHardwareQueryType key,
       
   810         VGint setting) VG_APIEXIT;
       
   811 
       
   812 /* Renderer and Extension Information */
       
   813 VG_API_CALL const VGubyte * VG_APIENTRY
       
   814     vgGetString(VGStringID name) VG_APIEXIT;
       
   815 
       
   816 #ifdef __cplusplus
       
   817 } /* extern "C" */
       
   818 #endif
       
   819 
       
   820 #endif /* __VG_1_1_OPENVG_H */