/* $Revision: 6810 $ on $Date:: 2008-10-29 07:31:37 -0700 #$ */

/*------------------------------------------------------------------------

 * 

 * VG extensions 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	VG extensions

 *//*-------------------------------------------------------------------*/

#ifndef _VGEXT_H

#define _VGEXT_H

#ifdef __cplusplus

extern "C" {

#endif

#include <VG/openvg.h>

#include <VG/vgu.h>

#ifndef VG_API_ENTRYP

#   define VG_API_ENTRYP VG_API_ENTRY*

#endif

#ifndef VGU_API_ENTRYP

#   define VGU_API_ENTRYP VGU_API_ENTRY*

#endif

/*-------------------------------------------------------------------------------

 * KHR extensions

 *------------------------------------------------------------------------------*/

typedef enum  {

#ifndef VG_KHR_iterative_average_blur

  VG_MAX_AVERAGE_BLUR_DIMENSION_KHR        = 0x116B,

  VG_AVERAGE_BLUR_DIMENSION_RESOLUTION_KHR = 0x116C,

  VG_MAX_AVERAGE_BLUR_ITERATIONS_KHR       = 0x116D,

#endif

  VG_PARAM_TYPE_KHR_FORCE_SIZE             = VG_MAX_ENUM

} VGParamTypeKHR;

#ifndef VG_KHR_EGL_image

#define VG_KHR_EGL_image 1

/* VGEGLImageKHR is an opaque handle to an EGLImage */

typedef void* VGeglImageKHR; 

#ifdef VG_VGEXT_PROTOTYPES

VG_API_CALL VGImage VG_API_ENTRY vgCreateEGLImageTargetKHR(VGeglImageKHR image);

#endif

typedef VGImage (VG_API_ENTRYP PFNVGCREATEEGLIMAGETARGETKHRPROC) (VGeglImageKHR image);

#endif

#ifndef VG_KHR_iterative_average_blur

#define VG_KHR_iterative_average_blur 1

#ifdef VG_VGEXT_PROTOTYPES

VG_API_CALL void vgIterativeAverageBlurKHR(VGImage dst,VGImage src,VGfloat dimX,VGfloat dimY,VGuint iterative,VGTilingMode tilingMode);

#endif 

typedef void (VG_API_ENTRYP PFNVGITERATIVEAVERAGEBLURKHRPROC) (VGImage dst,VGImage src,VGfloat dimX,VGfloat dimY,VGuint iterative,VGTilingMode tilingMode);

#endif

#ifndef VG_KHR_advanced_blending

#define VG_KHR_advanced_blending 1

typedef enum {

  VG_BLEND_OVERLAY_KHR        = 0x2010,

  VG_BLEND_HARDLIGHT_KHR      = 0x2011,

  VG_BLEND_SOFTLIGHT_SVG_KHR  = 0x2012,

  VG_BLEND_SOFTLIGHT_KHR      = 0x2013,

  VG_BLEND_COLORDODGE_KHR     = 0x2014,

  VG_BLEND_COLORBURN_KHR      = 0x2015,

  VG_BLEND_DIFFERENCE_KHR     = 0x2016,

  VG_BLEND_SUBTRACT_KHR       = 0x2017,

  VG_BLEND_INVERT_KHR         = 0x2018,

  VG_BLEND_EXCLUSION_KHR      = 0x2019,

  VG_BLEND_LINEARDODGE_KHR    = 0x201a,

  VG_BLEND_LINEARBURN_KHR     = 0x201b,

  VG_BLEND_VIVIDLIGHT_KHR     = 0x201c,

  VG_BLEND_LINEARLIGHT_KHR    = 0x201d,

  VG_BLEND_PINLIGHT_KHR       = 0x201e,

  VG_BLEND_HARDMIX_KHR        = 0x201f,

  VG_BLEND_CLEAR_KHR          = 0x2020,

  VG_BLEND_DST_KHR            = 0x2021,

  VG_BLEND_SRC_OUT_KHR        = 0x2022,

  VG_BLEND_DST_OUT_KHR        = 0x2023,

  VG_BLEND_SRC_ATOP_KHR       = 0x2024,

  VG_BLEND_DST_ATOP_KHR       = 0x2025,

  VG_BLEND_XOR_KHR            = 0x2026,

  VG_BLEND_MODE_KHR_FORCE_SIZE= VG_MAX_ENUM

} VGBlendModeKHR;

#endif

#ifndef VG_KHR_parametric_filter

#define VG_KHR_parametric_filter 1 

typedef enum {

  VG_PF_OBJECT_VISIBLE_FLAG_KHR = (1 << 0),

  VG_PF_KNOCKOUT_FLAG_KHR       = (1 << 1),

  VG_PF_OUTER_FLAG_KHR          = (1 << 2),

  VG_PF_INNER_FLAG_KHR          = (1 << 3),

  VG_PF_TYPE_KHR_FORCE_SIZE     = VG_MAX_ENUM

} VGPfTypeKHR;

typedef enum {

  VGU_IMAGE_IN_USE_ERROR           = 0xF010,

  VGU_ERROR_CODE_KHR_FORCE_SIZE    = VG_MAX_ENUM

} VGUErrorCodeKHR;

#ifdef VG_VGEXT_PROTOTYPES

VG_API_CALL void VG_API_ENTRY vgParametricFilterKHR(VGImage dst,VGImage src,VGImage blur,VGfloat strength,VGfloat offsetX,VGfloat offsetY,VGbitfield filterFlags,VGPaint highlightPaint,VGPaint shadowPaint);

VGU_API_CALL VGUErrorCode VGU_API_ENTRY vguDropShadowKHR(VGImage dst,VGImage src,VGfloat dimX,VGfloat dimY,VGuint iterative,VGfloat strength,VGfloat distance,VGfloat angle,VGbitfield filterFlags,VGbitfield allowedQuality,VGuint shadowColorRGBA);

VGU_API_CALL VGUErrorCode VGU_API_ENTRY vguGlowKHR(VGImage dst,VGImage src,VGfloat dimX,VGfloat dimY,VGuint iterative,VGfloat strength,VGbitfield filterFlags,VGbitfield allowedQuality,VGuint glowColorRGBA) ;

VGU_API_CALL VGUErrorCode VGU_API_ENTRY vguBevelKHR(VGImage dst,VGImage src,VGfloat dimX,VGfloat dimY,VGuint iterative,VGfloat strength,VGfloat distance,VGfloat angle,VGbitfield filterFlags,VGbitfield allowedQuality,VGuint highlightColorRGBA,VGuint shadowColorRGBA);

VGU_API_CALL VGUErrorCode VGU_API_ENTRY vguGradientGlowKHR(VGImage dst,VGImage src,VGfloat dimX,VGfloat dimY,VGuint iterative,VGfloat strength,VGfloat distance,VGfloat angle,VGbitfield filterFlags,VGbitfield allowedQuality,VGuint stopsCount,const VGfloat* glowColorRampStops);

VGU_API_CALL VGUErrorCode VGU_API_ENTRY vguGradientBevelKHR(VGImage dst,VGImage src,VGfloat dimX,VGfloat dimY,VGuint iterative,VGfloat strength,VGfloat distance,VGfloat angle,VGbitfield filterFlags,VGbitfield allowedQuality,VGuint stopsCount,const VGfloat* bevelColorRampStops);

#endif

typedef void (VG_API_ENTRYP PFNVGPARAMETRICFILTERKHRPROC) (VGImage dst,VGImage src,VGImage blur,VGfloat strength,VGfloat offsetX,VGfloat offsetY,VGbitfield filterFlags,VGPaint highlightPaint,VGPaint shadowPaint);

typedef VGUErrorCode (VGU_API_ENTRYP PFNVGUDROPSHADOWKHRPROC) (VGImage dst,VGImage src,VGfloat dimX,VGfloat dimY,VGuint iterative,VGfloat strength,VGfloat distance,VGfloat angle,VGbitfield filterFlags,VGbitfield allowedQuality,VGuint shadowColorRGBA);

typedef VGUErrorCode (VGU_API_ENTRYP PFNVGUGLOWKHRPROC) (VGImage dst,VGImage src,VGfloat dimX,VGfloat dimY,VGuint iterative,VGfloat strength,VGbitfield filterFlags,VGbitfield allowedQuality,VGuint glowColorRGBA);

typedef VGUErrorCode (VGU_API_ENTRYP PFNVGUBEVELKHRPROC) (VGImage dst,VGImage src,VGfloat dimX,VGfloat dimY,VGuint iterative,VGfloat strength,VGfloat distance,VGfloat angle,VGbitfield filterFlags,VGbitfield allowedQuality,VGuint highlightColorRGBA,VGuint shadowColorRGBA);

typedef VGUErrorCode (VGU_API_ENTRYP PFNVGUGRADIENTGLOWKHRPROC) (VGImage dst,VGImage src,VGfloat dimX,VGfloat dimY,VGuint iterative,VGfloat strength,VGfloat distance,VGfloat angle,VGbitfield filterFlags,VGbitfield allowedQuality,VGuint stopsCount,const VGfloat* glowColorRampStops);

typedef VGUErrorCode (VGU_API_ENTRYP PFNVGUGRADIENTBEVELKHRPROC) (VGImage dst,VGImage src,VGfloat dimX,VGfloat dimY,VGuint iterative,VGfloat strength,VGfloat distance,VGfloat angle,VGbitfield filterFlags,VGbitfield allowedQuality,VGuint stopsCount,const VGfloat* bevelColorRampStops);

#endif

/*-------------------------------------------------------------------------------

 * NDS extensions

 *------------------------------------------------------------------------------*/

#ifndef VG_NDS_paint_generation

#define VG_NDS_paint_generation 1

typedef enum { 

  VG_PAINT_COLOR_RAMP_LINEAR_NDS            = 0x1A10,

  VG_COLOR_MATRIX_NDS                       = 0x1A11,

  VG_PAINT_COLOR_TRANSFORM_LINEAR_NDS       = 0x1A12,

  VG_PAINT_PARAM_TYPE_NDS_FORCE_SIZE        = VG_MAX_ENUM

} VGPaintParamTypeNds;

typedef enum {

  VG_DRAW_IMAGE_COLOR_MATRIX_NDS            = 0x1F10,

  VG_IMAGE_MODE_NDS_FORCE_SIZE              = VG_MAX_ENUM

} VGImageModeNds;

#endif 

#ifndef VG_NDS_projective_geometry

#define VG_NDS_projective_geometry 1

typedef enum {

  VG_CLIP_MODE_NDS                          = 0x1180,

  VG_CLIP_LINES_NDS                         = 0x1181,

  VG_MAX_CLIP_LINES_NDS                     = 0x1182,

  VG_PARAM_TYPE_NDS_FORCE_SIZE        = VG_MAX_ENUM

} VGParamTypeNds;

typedef enum {

  VG_CLIPMODE_NONE_NDS                      = 0x3000,

  VG_CLIPMODE_CLIP_CLOSED_NDS               = 0x3001,

  VG_CLIPMODE_CLIP_OPEN_NDS                 = 0x3002,

  VG_CLIPMODE_CULL_NDS                      = 0x3003,

  VG_CLIPMODE_NDS_FORCE_SIZE = VG_MAX_ENUM

} VGClipModeNds;

typedef enum {

  VG_RQUAD_TO_NDS              = ( 13 << 1 ),

  VG_RCUBIC_TO_NDS             = ( 14 << 1 ),

  VG_PATH_SEGMENT_NDS_FORCE_SIZE = VG_MAX_ENUM

} VGPathSegmentNds;

typedef enum {

  VG_RQUAD_TO_ABS_NDS            = (VG_RQUAD_TO_NDS  | VG_ABSOLUTE),

  VG_RQUAD_TO_REL_NDS            = (VG_RQUAD_TO_NDS  | VG_RELATIVE),

  VG_RCUBIC_TO_ABS_NDS           = (VG_RCUBIC_TO_NDS | VG_ABSOLUTE),

  VG_RCUBIC_TO_REL_NDS           = (VG_RCUBIC_TO_NDS | VG_RELATIVE),

  VG_PATH_COMMAND_NDS_FORCE_SIZE = VG_MAX_ENUM

} VGPathCommandNds;

#ifdef VG_VGEXT_PROTOTYPES

VG_API_CALL void VG_API_ENTRY vgProjectiveMatrixNDS(VGboolean enable) ;

VGU_API_CALL VGUErrorCode VGU_API_ENTRY vguTransformClipLineNDS(const VGfloat Ain,const VGfloat Bin,const VGfloat Cin,const VGfloat* matrix,const VGboolean inverse,VGfloat* Aout,VGfloat* Bout,VGfloat* Cout);

#endif 

typedef void (VG_API_ENTRYP PFNVGPROJECTIVEMATRIXNDSPROC) (VGboolean enable) ;

typedef VGUErrorCode (VGU_API_ENTRYP PFNVGUTRANSFORMCLIPLINENDSPROC) (const VGfloat Ain,const VGfloat Bin,const VGfloat Cin,const VGfloat* matrix,const VGboolean inverse,VGfloat* Aout,VGfloat* Bout,VGfloat* Cout);

#endif

VGint vgePathCoordsSizeInBytes( VGPath path,  VGint startIndex, VGint numSegments );

#ifdef __cplusplus 

} /* extern "C" */

#endif

#endif /* _VGEXT_H */