Copy code from the holdingarea into the target locations.
Some initial rework of CMakeLists.txt files, but not yet tested.
/*------------------------------------------------------------------------
*
* OpenVG 1.1 Reference Implementation
* -----------------------------------
*
* Copyright (c) 2007 The Khronos Group Inc.
* Portions copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
*
* 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 Implementations of OpenVG API functions.
* \note The actual processing is done in Path, Image, Rasterizer and PixelPipe classes.
*//*-------------------------------------------------------------------*/
#include "openvg.h"
#include "vgext.h"
#include "riContext.h"
#include "riRasterizer.h"
#include "riPixelPipe.h"
#include "riPath.h"
#include <stdio.h>
//==============================================================================================
namespace OpenVGRI
{
/* EGL&OS functions for use in an OpenVG implementation */
// \note To ensure that different EGLs work in parallel, these functions must be implemented.
// They may be wrappers if the underlying EGL is more complicated that miniEGL.
void* eglvgGetCurrentVGContext(void);
bool eglvgIsInUse(void* image);
bool eglvgLockSurface(bool read, bool write);
bool eglvgUnlockSurface();
void OSAcquireMutex(void);
void OSReleaseMutex(void);
void eglvgGetImageDescriptor( void* image, Color::Descriptor &desc, int &width, int &height, int &stride );
void* eglvgGetImageData( void* image );
#define RI_NO_RETVAL
//this must be the first line in an API function
#define RI_GET_CONTEXT(RETVAL) \
OSAcquireMutex(); \
VGContext* context = (VGContext*)eglvgGetCurrentVGContext(); \
if(!context) \
{ \
OSReleaseMutex(); \
return RETVAL;\
}
#define RI_IF_ERROR(COND, ERRORCODE, RETVAL) \
if(COND) { context->setError(ERRORCODE); OSReleaseMutex(); return RETVAL; }
//all API functions must call this as their last operation (also functions that don't return values)
//NOTE: don't evaluate anything or read state in RETVAL (it'll be executed after the mutex has been released)
#define RI_RETURN(RETVAL) \
{ OSReleaseMutex(); \
return RETVAL; }
static bool isAligned(const void* ptr, int alignment)
{
RI_ASSERT(alignment == 1 || alignment == 2 || alignment == 4);
if(((RIuintptr)ptr) & (alignment-1))
return false;
return true;
}
static bool isAligned(const void* ptr, VGImageFormat format)
{
RI_ASSERT(isValidImageFormat(format));
int alignment = Color::formatToDescriptor(format).bitsPerPixel >> 3;
if(alignment <= 1)
return true; //one bit or byte per pixel
return isAligned(ptr, alignment);
}
bool isValidImageFormat(int f)
{
if(f < VG_sRGBX_8888 || f > VG_lABGR_8888_PRE)
return false;
return true;
}
} //namespace OpenVGRI
using namespace OpenVGRI;
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
void RI_APIENTRY vgFlush(void)
{
RI_GET_CONTEXT(RI_NO_RETVAL);
//the RI doesn't cache anything, so this is a no-op
RI_RETURN(RI_NO_RETVAL);
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
void RI_APIENTRY vgFinish(void)
{
RI_GET_CONTEXT(RI_NO_RETVAL);
//the RI doesn't cache anything, so this is a no-op
RI_RETURN(RI_NO_RETVAL);
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
VGErrorCode RI_APIENTRY vgGetError(void)
{
RI_GET_CONTEXT(VG_NO_CONTEXT_ERROR);
VGErrorCode error = context->m_error;
context->m_error = VG_NO_ERROR;
RI_RETURN(error);
}
VGErrorCode RI_APIENTRY vgPlatsimGetError(void)
{
RI_GET_CONTEXT(VG_NO_CONTEXT_ERROR);
VGErrorCode error = context->m_error;
RI_RETURN(error);
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
namespace OpenVGRI
{
RIfloat inputFloat(VGfloat f)
{
//this function is used for all floating point input values
if(RI_ISNAN(f)) return 0.0f; //convert NaN to zero
return RI_CLAMP(f, -RI_FLOAT_MAX, RI_FLOAT_MAX); //clamp +-inf to +-RIfloat max
}
Vector2 inputVector2(const Vector2& v)
{
return Vector2(inputFloat(v.x), inputFloat(v.y));
}
Color inputColor(const Color& c)
{
Color r = c;
r.r = inputFloat(r.r);
r.g = inputFloat(r.g);
r.b = inputFloat(r.b);
r.a = inputFloat(r.a);
return r;
}
static int inputFloatToInt(VGfloat value)
{
double v = (double)floor(value);
v = v > (double)RI_INT32_MAX ? (double)RI_INT32_MAX : v;
v = v < (double)RI_INT32_MIN ? (double)RI_INT32_MIN : v;
return (int)v;
}
static int paramToInt(const void* values, bool floats, int count, int i)
{
RI_ASSERT(i >= 0);
if(i >= count || !values)
return 0;
if(floats)
return inputFloatToInt(((const VGfloat*)values)[i]);
return (int)((const VGint*)values)[i];
}
static RIfloat paramToFloat(const void* values, bool floats, int count, int i)
{
RI_ASSERT(i >= 0);
if(i >= count || !values)
return 0.0f;
if(floats)
return ((const VGfloat*)values)[i];
return (RIfloat)((const VGint*)values)[i];
}
static void floatToParam(void* output, bool outputFloats, int count, int i, VGfloat value)
{
RI_ASSERT(i >= 0);
RI_ASSERT(output);
if(i >= count)
return;
if(outputFloats)
((VGfloat*)output)[i] = value;
else
((VGint*)output)[i] = (VGint)inputFloatToInt(value);
}
static void intToParam(void* output, bool outputFloats, int count, int i, VGint value)
{
RI_ASSERT(i >= 0);
RI_ASSERT(output);
if(i >= count)
return;
if(outputFloats)
((VGfloat*)output)[i] = (VGfloat)value;
else
((VGint*)output)[i] = value;
}
} //namespace OpenVGRI
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
static void setifv(VGContext* context, VGParamType type, VGint count, const void* values, bool floats)
{
RI_ASSERT(context);
RI_ASSERT(!count || (count && values));
int ivalue = paramToInt(values, floats, count, 0);
RIfloat fvalue = paramToFloat(values, floats, count, 0);
switch(type)
{
case VG_MATRIX_MODE:
if(count != 1 || ivalue < VG_MATRIX_PATH_USER_TO_SURFACE || ivalue > VG_MATRIX_GLYPH_USER_TO_SURFACE) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
context->m_matrixMode = (VGMatrixMode)ivalue;
break;
case VG_FILL_RULE:
if(count != 1 || ivalue < VG_EVEN_ODD || ivalue > VG_NON_ZERO) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
context->m_fillRule = (VGFillRule)ivalue;
break;
case VG_IMAGE_QUALITY:
if(count != 1 || !(ivalue == VG_IMAGE_QUALITY_NONANTIALIASED || ivalue == VG_IMAGE_QUALITY_FASTER || ivalue == VG_IMAGE_QUALITY_BETTER)) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
context->m_imageQuality = (VGImageQuality)ivalue;
break;
case VG_RENDERING_QUALITY:
if(count != 1 || !(ivalue == VG_RENDERING_QUALITY_NONANTIALIASED || ivalue == VG_RENDERING_QUALITY_FASTER || ivalue == VG_RENDERING_QUALITY_BETTER)) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
context->m_renderingQuality = (VGRenderingQuality)ivalue;
break;
case VG_BLEND_MODE:
if(count != 1 || ivalue < VG_BLEND_SRC || ivalue > VG_BLEND_ADDITIVE) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
context->m_blendMode = (VGBlendMode)ivalue;
break;
case VG_IMAGE_MODE:
if(count != 1 || ivalue < VG_DRAW_IMAGE_NORMAL || ivalue > VG_DRAW_IMAGE_STENCIL) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
context->m_imageMode = (VGImageMode)ivalue;
break;
case VG_SCISSOR_RECTS:
{
if(count & 3) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; } //count must be a multiple of four
try
{
Array<OpenVGRI::Rectangle> scissor;
for(int i=0;i<RI_INT_MIN(count, RI_MAX_SCISSOR_RECTANGLES*4);i+=4)
{
OpenVGRI::Rectangle s;
s.x = paramToInt(values, floats, count, i+0);
s.y = paramToInt(values, floats, count, i+1);
s.width = paramToInt(values, floats, count, i+2);
s.height = paramToInt(values, floats, count, i+3);
scissor.push_back(s); //throws bad_alloc
}
context->m_scissor.swap(scissor); //replace context data
}
catch(std::bad_alloc)
{
context->setError(VG_OUT_OF_MEMORY_ERROR);
}
break;
}
case VG_COLOR_TRANSFORM:
if(count != 1) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
context->m_colorTransform = ivalue ? VG_TRUE : VG_FALSE;
break;
case VG_COLOR_TRANSFORM_VALUES:
if(count != 8 || !values) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
{
for(int i=0;i<8;i++)
{
context->m_inputColorTransformValues[i] = paramToFloat(values, floats, count, i);
context->m_colorTransformValues[i] = inputFloat(context->m_inputColorTransformValues[i]);
}
}
break;
case VG_STROKE_LINE_WIDTH:
if(count != 1) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
context->m_inputStrokeLineWidth = fvalue;
context->m_strokeLineWidth = inputFloat(fvalue);
break;
case VG_STROKE_CAP_STYLE:
if(count != 1 || ivalue < VG_CAP_BUTT || ivalue > VG_CAP_SQUARE) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
context->m_strokeCapStyle = (VGCapStyle)ivalue;
break;
case VG_STROKE_JOIN_STYLE:
if(count != 1 || ivalue < VG_JOIN_MITER || ivalue > VG_JOIN_BEVEL) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
context->m_strokeJoinStyle = (VGJoinStyle)ivalue;
break;
case VG_STROKE_MITER_LIMIT:
if(count != 1) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
context->m_inputStrokeMiterLimit = fvalue;
context->m_strokeMiterLimit = inputFloat(fvalue);
break;
case VG_STROKE_DASH_PATTERN:
{
try
{
Array<RIfloat> inputStrokeDashPattern;
Array<RIfloat> strokeDashPattern;
for(int i=0;i<RI_INT_MIN(count, RI_MAX_DASH_COUNT);i++)
{
RIfloat v = paramToFloat(values, floats, count, i);
inputStrokeDashPattern.push_back(v); //throws bad_alloc
strokeDashPattern.push_back(inputFloat(v)); //throws bad_alloc
}
context->m_inputStrokeDashPattern.swap(inputStrokeDashPattern); //replace context data
context->m_strokeDashPattern.swap(strokeDashPattern); //replace context data
}
catch(std::bad_alloc)
{
context->setError(VG_OUT_OF_MEMORY_ERROR);
}
break;
}
case VG_STROKE_DASH_PHASE:
if(count != 1) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
context->m_inputStrokeDashPhase = fvalue;
context->m_strokeDashPhase = inputFloat(fvalue);
break;
case VG_STROKE_DASH_PHASE_RESET:
if(count != 1) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
context->m_strokeDashPhaseReset = ivalue ? VG_TRUE : VG_FALSE;
break;
case VG_TILE_FILL_COLOR:
if(count != 4 || !values) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
context->m_inputTileFillColor.set(paramToFloat(values, floats, count, 0),
paramToFloat(values, floats, count, 1),
paramToFloat(values, floats, count, 2),
paramToFloat(values, floats, count, 3),
Color::sRGBA);
context->m_tileFillColor = inputColor(context->m_inputTileFillColor);
break;
case VG_GLYPH_ORIGIN:
if(count != 2 || !values) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
context->m_inputGlyphOrigin.x = paramToFloat(values, floats, count, 0);
context->m_inputGlyphOrigin.y = paramToFloat(values, floats, count, 1);
context->m_glyphOrigin = inputVector2(context->m_inputGlyphOrigin);
break;
case VG_CLEAR_COLOR:
if(count != 4 || !values) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
context->m_inputClearColor.set(paramToFloat(values, floats, count, 0),
paramToFloat(values, floats, count, 1),
paramToFloat(values, floats, count, 2),
paramToFloat(values, floats, count, 3),
Color::sRGBA);
context->m_clearColor = inputColor(context->m_inputClearColor);
break;
case VG_MASKING:
if(count != 1) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
context->m_masking = ivalue ? VG_TRUE : VG_FALSE;
break;
case VG_SCISSORING:
if(count != 1) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
context->m_scissoring = ivalue ? VG_TRUE : VG_FALSE;
break;
case VG_PIXEL_LAYOUT:
if(count != 1 || ivalue < VG_PIXEL_LAYOUT_UNKNOWN || ivalue > VG_PIXEL_LAYOUT_BGR_HORIZONTAL) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
context->m_pixelLayout = (VGPixelLayout)ivalue;
break;
case VG_SCREEN_LAYOUT:
if(count != 1) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
break; //setting read-only values has no effect
case VG_FILTER_FORMAT_LINEAR:
if(count != 1) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
context->m_filterFormatLinear = ivalue ? VG_TRUE : VG_FALSE;
break;
case VG_FILTER_FORMAT_PREMULTIPLIED:
if(count != 1) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
context->m_filterFormatPremultiplied = ivalue ? VG_TRUE : VG_FALSE;
break;
case VG_FILTER_CHANNEL_MASK:
if(count != 1) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
//undefined bits are ignored
context->m_filterChannelMask = (VGbitfield)ivalue;
break;
case VG_MAX_SCISSOR_RECTS:
case VG_MAX_DASH_COUNT:
case VG_MAX_KERNEL_SIZE:
case VG_MAX_SEPARABLE_KERNEL_SIZE:
case VG_MAX_COLOR_RAMP_STOPS:
case VG_MAX_IMAGE_WIDTH:
case VG_MAX_IMAGE_HEIGHT:
case VG_MAX_IMAGE_PIXELS:
case VG_MAX_IMAGE_BYTES:
case VG_MAX_FLOAT:
case VG_MAX_GAUSSIAN_STD_DEVIATION:
if(count != 1) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
break; //setting read-only values has no effect
default:
context->setError(VG_ILLEGAL_ARGUMENT_ERROR); //invalid VGParamType
break;
}
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
void RI_APIENTRY vgSetf(VGParamType type, VGfloat value)
{
RI_GET_CONTEXT(RI_NO_RETVAL);
RI_IF_ERROR(type == VG_SCISSOR_RECTS || type == VG_STROKE_DASH_PATTERN || type == VG_TILE_FILL_COLOR ||
type == VG_CLEAR_COLOR, VG_ILLEGAL_ARGUMENT_ERROR, RI_NO_RETVAL); //vector type value
VGfloat values[1] = {value};
setifv(context, type, 1, values, true);
RI_RETURN(RI_NO_RETVAL);
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
void RI_APIENTRY vgSeti(VGParamType type, VGint value)
{
RI_GET_CONTEXT(RI_NO_RETVAL);
RI_IF_ERROR(type == VG_SCISSOR_RECTS || type == VG_STROKE_DASH_PATTERN || type == VG_TILE_FILL_COLOR ||
type == VG_CLEAR_COLOR, VG_ILLEGAL_ARGUMENT_ERROR, RI_NO_RETVAL); //vector type value
VGint values[1] = {value};
setifv(context, type, 1, values, false);
RI_RETURN(RI_NO_RETVAL);
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
void RI_APIENTRY vgSetiv(VGParamType type, VGint count, const VGint * values)
{
RI_GET_CONTEXT(RI_NO_RETVAL);
RI_IF_ERROR(count < 0, VG_ILLEGAL_ARGUMENT_ERROR, RI_NO_RETVAL);
RI_IF_ERROR((!values && count > 0) || (values && !isAligned(values,4)), VG_ILLEGAL_ARGUMENT_ERROR, RI_NO_RETVAL);
setifv(context, type, count, values, false);
RI_RETURN(RI_NO_RETVAL);
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
void RI_APIENTRY vgSetfv(VGParamType type, VGint count, const VGfloat * values)
{
RI_GET_CONTEXT(RI_NO_RETVAL);
RI_IF_ERROR(count < 0, VG_ILLEGAL_ARGUMENT_ERROR, RI_NO_RETVAL);
RI_IF_ERROR((!values && count > 0) || (values && !isAligned(values,4)), VG_ILLEGAL_ARGUMENT_ERROR, RI_NO_RETVAL);
setifv(context, type, count, values, true);
RI_RETURN(RI_NO_RETVAL);
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
static void getifv(VGContext* context, VGParamType type, VGint count, void* values, bool floats)
{
switch(type)
{
case VG_MATRIX_MODE:
if(count > 1) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
intToParam(values, floats, count, 0, context->m_matrixMode);
break;
case VG_FILL_RULE:
if(count > 1) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
intToParam(values, floats, count, 0, context->m_fillRule);
break;
case VG_IMAGE_QUALITY:
if(count > 1) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
intToParam(values, floats, count, 0, context->m_imageQuality);
break;
case VG_RENDERING_QUALITY:
if(count > 1) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
intToParam(values, floats, count, 0, context->m_renderingQuality);
break;
case VG_BLEND_MODE:
if(count > 1) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
intToParam(values, floats, count, 0, context->m_blendMode);
break;
case VG_IMAGE_MODE:
if(count > 1) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
intToParam(values, floats, count, 0, context->m_imageMode);
break;
case VG_SCISSOR_RECTS:
{
if(count > context->m_scissor.size()*4) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
for(int i=0;i<context->m_scissor.size();i++)
{
intToParam(values, floats, count, i*4+0, context->m_scissor[i].x);
intToParam(values, floats, count, i*4+1, context->m_scissor[i].y);
intToParam(values, floats, count, i*4+2, context->m_scissor[i].width);
intToParam(values, floats, count, i*4+3, context->m_scissor[i].height);
}
break;
}
case VG_COLOR_TRANSFORM:
if(count != 1) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
intToParam(values, floats, count, 0, context->m_colorTransform);
break;
case VG_COLOR_TRANSFORM_VALUES:
if(count > 8) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
{
for(int i=0;i<count;i++)
{
floatToParam(values, floats, count, i, context->m_inputColorTransformValues[i]);
}
}
break;
case VG_STROKE_LINE_WIDTH:
if(count > 1) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
floatToParam(values, floats, count, 0, context->m_inputStrokeLineWidth);
break;
case VG_STROKE_CAP_STYLE:
if(count > 1) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
intToParam(values, floats, count, 0, context->m_strokeCapStyle);
break;
case VG_STROKE_JOIN_STYLE:
if(count > 1) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
intToParam(values, floats, count, 0, context->m_strokeJoinStyle);
break;
case VG_STROKE_MITER_LIMIT:
if(count > 1) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
floatToParam(values, floats, count, 0, context->m_inputStrokeMiterLimit);
break;
case VG_STROKE_DASH_PATTERN:
{
if(count > context->m_inputStrokeDashPattern.size()) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
for(int i=0;i<context->m_inputStrokeDashPattern.size();i++)
floatToParam(values, floats, count, i, context->m_inputStrokeDashPattern[i]);
break;
}
case VG_STROKE_DASH_PHASE:
if(count > 1) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
floatToParam(values, floats, count, 0, context->m_inputStrokeDashPhase);
break;
case VG_STROKE_DASH_PHASE_RESET:
if(count > 1) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
intToParam(values, floats, count, 0, context->m_strokeDashPhaseReset);
break;
case VG_TILE_FILL_COLOR:
if(count > 4) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
floatToParam(values, floats, count, 0, context->m_inputTileFillColor.r);
floatToParam(values, floats, count, 1, context->m_inputTileFillColor.g);
floatToParam(values, floats, count, 2, context->m_inputTileFillColor.b);
floatToParam(values, floats, count, 3, context->m_inputTileFillColor.a);
break;
case VG_CLEAR_COLOR:
if(count > 4) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
floatToParam(values, floats, count, 0, context->m_inputClearColor.r);
floatToParam(values, floats, count, 1, context->m_inputClearColor.g);
floatToParam(values, floats, count, 2, context->m_inputClearColor.b);
floatToParam(values, floats, count, 3, context->m_inputClearColor.a);
break;
case VG_GLYPH_ORIGIN:
if(count > 2) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
floatToParam(values, floats, count, 0, context->m_inputGlyphOrigin.x);
floatToParam(values, floats, count, 1, context->m_inputGlyphOrigin.y);
break;
case VG_MASKING:
if(count > 1) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
intToParam(values, floats, count, 0, context->m_masking);
break;
case VG_SCISSORING:
if(count > 1) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
intToParam(values, floats, count, 0, context->m_scissoring);
break;
case VG_PIXEL_LAYOUT:
if(count > 1) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
intToParam(values, floats, count, 0, context->m_pixelLayout);
break;
case VG_SCREEN_LAYOUT:
if(count > 1) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
intToParam(values, floats, count, 0, VG_PIXEL_LAYOUT_UNKNOWN);
break;
case VG_FILTER_FORMAT_LINEAR:
if(count > 1) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
intToParam(values, floats, count, 0, context->m_filterFormatLinear);
break;
case VG_FILTER_FORMAT_PREMULTIPLIED:
if(count > 1) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
intToParam(values, floats, count, 0, context->m_filterFormatPremultiplied);
break;
case VG_FILTER_CHANNEL_MASK:
if(count > 1) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
intToParam(values, floats, count, 0, context->m_filterChannelMask);
break;
case VG_MAX_SCISSOR_RECTS:
if(count > 1) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
intToParam(values, floats, count, 0, RI_MAX_SCISSOR_RECTANGLES);
break;
case VG_MAX_DASH_COUNT:
if(count > 1) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
intToParam(values, floats, count, 0, RI_MAX_DASH_COUNT);
break;
case VG_MAX_KERNEL_SIZE:
if(count > 1) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
intToParam(values, floats, count, 0, RI_MAX_KERNEL_SIZE);
break;
case VG_MAX_SEPARABLE_KERNEL_SIZE:
if(count > 1) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
intToParam(values, floats, count, 0, RI_MAX_SEPARABLE_KERNEL_SIZE);
break;
case VG_MAX_COLOR_RAMP_STOPS:
if(count > 1) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
intToParam(values, floats, count, 0, RI_MAX_COLOR_RAMP_STOPS);
break;
case VG_MAX_IMAGE_WIDTH:
if(count > 1) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
intToParam(values, floats, count, 0, RI_MAX_IMAGE_WIDTH);
break;
case VG_MAX_IMAGE_HEIGHT:
if(count > 1) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
intToParam(values, floats, count, 0, RI_MAX_IMAGE_HEIGHT);
break;
case VG_MAX_IMAGE_PIXELS:
if(count > 1) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
intToParam(values, floats, count, 0, RI_MAX_IMAGE_PIXELS);
break;
case VG_MAX_IMAGE_BYTES:
if(count > 1) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
intToParam(values, floats, count, 0, RI_MAX_IMAGE_BYTES);
break;
case VG_MAX_FLOAT:
if(count > 1) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
floatToParam(values, floats, count, 0, RI_FLOAT_MAX);
break;
case VG_MAX_GAUSSIAN_STD_DEVIATION:
if(count > 1) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
floatToParam(values, floats, count, 0, RI_MAX_GAUSSIAN_STD_DEVIATION);
break;
default:
context->setError(VG_ILLEGAL_ARGUMENT_ERROR); //invalid VGParamType
break;
}
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
VGfloat RI_APIENTRY vgGetf(VGParamType type)
{
RI_GET_CONTEXT(0.0f);
RI_IF_ERROR(type == VG_SCISSOR_RECTS || type == VG_STROKE_DASH_PATTERN || type == VG_TILE_FILL_COLOR ||
type == VG_CLEAR_COLOR, VG_ILLEGAL_ARGUMENT_ERROR, 0.0f); //vector type value
RIfloat ret = 0.0f;
getifv(context, type, 1, &ret, true);
RI_RETURN(ret);
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
VGint RI_APIENTRY vgGeti(VGParamType type)
{
RI_GET_CONTEXT(0);
RI_IF_ERROR(type == VG_SCISSOR_RECTS || type == VG_STROKE_DASH_PATTERN || type == VG_TILE_FILL_COLOR ||
type == VG_CLEAR_COLOR, VG_ILLEGAL_ARGUMENT_ERROR, 0); //vector type value
VGint ret = 0;
getifv(context, type, 1, &ret, false);
RI_RETURN(ret);
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
void RI_APIENTRY vgGetiv(VGParamType type, VGint count, VGint * values)
{
RI_GET_CONTEXT(RI_NO_RETVAL);
RI_IF_ERROR(count <= 0, VG_ILLEGAL_ARGUMENT_ERROR, RI_NO_RETVAL);
RI_IF_ERROR(!values || !isAligned(values,4), VG_ILLEGAL_ARGUMENT_ERROR, RI_NO_RETVAL);
getifv(context, type, count, values, false);
RI_RETURN(RI_NO_RETVAL);
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
void RI_APIENTRY vgGetfv(VGParamType type, VGint count, VGfloat * values)
{
RI_GET_CONTEXT(RI_NO_RETVAL);
RI_IF_ERROR(count <= 0, VG_ILLEGAL_ARGUMENT_ERROR, RI_NO_RETVAL);
RI_IF_ERROR(!values || !isAligned(values,4), VG_ILLEGAL_ARGUMENT_ERROR, RI_NO_RETVAL);
getifv(context, type, count, values, true);
RI_RETURN(RI_NO_RETVAL);
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
VGint RI_APIENTRY vgGetVectorSize(VGParamType type)
{
RI_GET_CONTEXT(0);
VGint ret = 0;
switch(type)
{
case VG_MATRIX_MODE:
case VG_FILL_RULE:
case VG_IMAGE_QUALITY:
case VG_RENDERING_QUALITY:
case VG_BLEND_MODE:
case VG_IMAGE_MODE:
ret = 1;
break;
case VG_SCISSOR_RECTS:
ret = 4*context->m_scissor.size();
break;
case VG_COLOR_TRANSFORM:
ret = 1;
break;
case VG_COLOR_TRANSFORM_VALUES:
ret = 8;
break;
case VG_STROKE_LINE_WIDTH:
case VG_STROKE_CAP_STYLE:
case VG_STROKE_JOIN_STYLE:
case VG_STROKE_MITER_LIMIT:
ret = 1;
break;
case VG_STROKE_DASH_PATTERN:
ret = context->m_inputStrokeDashPattern.size();
break;
case VG_STROKE_DASH_PHASE:
case VG_STROKE_DASH_PHASE_RESET:
ret = 1;
break;
case VG_TILE_FILL_COLOR:
case VG_CLEAR_COLOR:
ret = 4;
break;
case VG_GLYPH_ORIGIN:
ret = 2;
break;
case VG_MASKING:
case VG_SCISSORING:
case VG_PIXEL_LAYOUT:
case VG_SCREEN_LAYOUT:
case VG_FILTER_FORMAT_LINEAR:
case VG_FILTER_FORMAT_PREMULTIPLIED:
case VG_FILTER_CHANNEL_MASK:
case VG_MAX_SCISSOR_RECTS:
case VG_MAX_DASH_COUNT:
case VG_MAX_KERNEL_SIZE:
case VG_MAX_SEPARABLE_KERNEL_SIZE:
case VG_MAX_COLOR_RAMP_STOPS:
case VG_MAX_IMAGE_WIDTH:
case VG_MAX_IMAGE_HEIGHT:
case VG_MAX_IMAGE_PIXELS:
case VG_MAX_IMAGE_BYTES:
case VG_MAX_FLOAT:
case VG_MAX_GAUSSIAN_STD_DEVIATION:
ret = 1;
break;
default:
context->setError(VG_ILLEGAL_ARGUMENT_ERROR); //invalid VGParamType
break;
}
RI_RETURN(ret);
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
static void setPaintParameterifv(VGContext* context, Paint* paint, VGPaintParamType paramType, VGint count, const void* values, bool floats)
{
RI_ASSERT(context);
RI_ASSERT(paint);
int ivalue = paramToInt(values, floats, count, 0);
switch(paramType)
{
case VG_PAINT_TYPE:
if(count != 1 || ivalue < VG_PAINT_TYPE_COLOR || ivalue > VG_PAINT_TYPE_PATTERN) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
paint->m_paintType = (VGPaintType)ivalue;
break;
case VG_PAINT_COLOR:
RI_TRACE("\n***** Setting solid color to paint.\n");
RI_TRACE("** ptr: %x\n", (int)paint);
if(count != 4) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
paint->m_inputPaintColor.set(paramToFloat(values, floats, count, 0),
paramToFloat(values, floats, count, 1),
paramToFloat(values, floats, count, 2),
paramToFloat(values, floats, count, 3),
Color::sRGBA);
RI_TRACE("** input solid color: [%.3f %.3f %.3f %.4f]\n", paint->m_inputPaintColor.r, paint->m_inputPaintColor.g, paint->m_inputPaintColor.b, paint->m_inputPaintColor.a);
paint->setColor(inputColor(paint->m_inputPaintColor));
RI_TRACE("** -> [%.3f %.3f %.3f %.3f]\n", paint->m_paintColor.r, paint->m_paintColor.g, paint->m_paintColor.b, paint->m_paintColor.a);
break;
case VG_PAINT_COLOR_RAMP_SPREAD_MODE:
if(count != 1 || ivalue < VG_COLOR_RAMP_SPREAD_PAD || ivalue > VG_COLOR_RAMP_SPREAD_REFLECT) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
paint->m_colorRampSpreadMode = (VGColorRampSpreadMode)ivalue;
break;
case VG_PAINT_COLOR_RAMP_STOPS:
{
int numStops = count/5;
if(count != numStops*5) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; } //count must be a multiple of five
try
{
Array<Paint::GradientStop> colorRampStops;
Array<Paint::GradientStop> inputColorRampStops;
RIfloat prevOffset = -RI_FLOAT_MAX;
bool valid = true;
for(int i=0;i<RI_INT_MIN(numStops, RI_MAX_COLOR_RAMP_STOPS);i++) //NOTE: ignores the final stop if there is not enough parameters
{
Paint::GradientStop gs;
gs.offset = paramToFloat(values, floats, count, i*5);
gs.color.set(paramToFloat(values, floats, count, i*5+1),
paramToFloat(values, floats, count, i*5+2),
paramToFloat(values, floats, count, i*5+3),
paramToFloat(values, floats, count, i*5+4),
Color::sRGBA);
inputColorRampStops.push_back(gs);
if(gs.offset < prevOffset)
valid = false; //decreasing sequence, ignore it
if(gs.offset >= 0.0f && gs.offset <= 1.0f)
{
gs.color.clamp();
if(!colorRampStops.size() && gs.offset > 0.0f)
{ //the first valid stop is not at 0, replicate the first one
RIfloat tmp = gs.offset;
gs.offset = 0.0f;
colorRampStops.push_back(gs); //throws bad_alloc
gs.offset = tmp;
}
colorRampStops.push_back(gs); //throws bad_alloc
}
prevOffset = gs.offset;
}
if(valid && colorRampStops.size() && colorRampStops[colorRampStops.size()-1].offset < 1.0f)
{ //there is at least one stop, but the last one is not at 1, replicate the last one
Paint::GradientStop gs = colorRampStops[colorRampStops.size()-1];
gs.offset = 1.0f;
colorRampStops.push_back(gs); //throws bad_alloc
}
if(!valid || !colorRampStops.size())
{ //there are no valid stops, add implicit stops
colorRampStops.clear();
Paint::GradientStop gs;
gs.offset = 0.0f;
gs.color.set(0,0,0,1,Color::sRGBA);
colorRampStops.push_back(gs); //throws bad_alloc
gs.offset = 1.0f;
gs.color.set(1,1,1,1,Color::sRGBA);
colorRampStops.push_back(gs); //throws bad_alloc
}
RI_ASSERT(colorRampStops.size() >= 2 && colorRampStops.size() <= RI_MAX_COLOR_RAMP_STOPS);
//paint->m_colorRampStops.swap(colorRampStops); //set paint array
//paint->m_inputColorRampStops.swap(inputColorRampStops); //set paint array
paint->setGradientStops(inputColorRampStops, colorRampStops);
//paint->generateLUT();
}
catch(std::bad_alloc)
{
context->setError(VG_OUT_OF_MEMORY_ERROR);
}
break;
}
case VG_PAINT_COLOR_RAMP_PREMULTIPLIED:
if(count != 1) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
paint->m_colorRampPremultiplied = ivalue ? VG_TRUE : VG_FALSE;
break;
case VG_PAINT_LINEAR_GRADIENT:
if(count != 4) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
paint->m_inputLinearGradientPoint0.set(paramToFloat(values, floats, count, 0),
paramToFloat(values, floats, count, 1));
paint->m_inputLinearGradientPoint1.set(paramToFloat(values, floats, count, 2),
paramToFloat(values, floats, count, 3));
paint->setLinearGradient(
inputVector2(paint->m_inputLinearGradientPoint0),
inputVector2(paint->m_inputLinearGradientPoint1));
break;
case VG_PAINT_RADIAL_GRADIENT:
if(count != 5) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
paint->m_inputRadialGradientCenter.set(paramToFloat(values, floats, count, 0),
paramToFloat(values, floats, count, 1));
paint->m_inputRadialGradientFocalPoint.set(paramToFloat(values, floats, count, 2),
paramToFloat(values, floats, count, 3));
paint->m_inputRadialGradientRadius = paramToFloat(values, floats, count, 4);
paint->setRadialGradient(
inputVector2(paint->m_inputRadialGradientCenter),
inputVector2(paint->m_inputRadialGradientFocalPoint),
inputFloat(paint->m_inputRadialGradientRadius));
//paint->m_radialGradientCenter = inputVector2(paint->m_inputRadialGradientCenter);
//paint->m_radialGradientFocalPoint = inputVector2(paint->m_inputRadialGradientFocalPoint);
//paint->m_radialGradientRadius = inputFloat(paint->m_inputRadialGradientRadius);
break;
case VG_PAINT_PATTERN_TILING_MODE:
if(count != 1 || ivalue < VG_TILE_FILL || ivalue > VG_TILE_REFLECT) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
paint->m_patternTilingMode = (VGTilingMode)ivalue;
break;
default:
context->setError(VG_ILLEGAL_ARGUMENT_ERROR); //invalid VGParamType
break;
}
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
void RI_APIENTRY vgSetParameterf(VGHandle object, VGint paramType, VGfloat value)
{
RI_GET_CONTEXT(RI_NO_RETVAL);
bool isImage = context->isValidImage(object);
bool isPath = context->isValidPath(object);
bool isPaint = context->isValidPaint(object);
bool isMaskLayer = context->isValidMaskLayer(object);
bool isFont = context->isValidFont(object);
RI_IF_ERROR(!isImage && !isPath && !isPaint && !isMaskLayer && !isFont, VG_BAD_HANDLE_ERROR, RI_NO_RETVAL); //invalid object handle
RI_IF_ERROR(paramType == VG_PAINT_COLOR || paramType == VG_PAINT_COLOR_RAMP_STOPS || paramType == VG_PAINT_LINEAR_GRADIENT ||
paramType == VG_PAINT_RADIAL_GRADIENT, VG_ILLEGAL_ARGUMENT_ERROR, RI_NO_RETVAL); //vector valued parameter
VGfloat values[1] = {value};
if(isImage)
{ //read only, the function does nothing
RI_ASSERT(!isPath && !isPaint && !isMaskLayer && !isFont);
if(paramType < VG_IMAGE_FORMAT || paramType > VG_IMAGE_HEIGHT)
context->setError(VG_ILLEGAL_ARGUMENT_ERROR); //invalid VGParamType
}
else if(isPath)
{ //read only, the function does nothing
RI_ASSERT(!isImage && !isPaint && !isMaskLayer && !isFont);
if(paramType < VG_PATH_FORMAT || paramType > VG_PATH_NUM_COORDS)
context->setError(VG_ILLEGAL_ARGUMENT_ERROR); //invalid VGParamType
}
else if(isPaint)
{
RI_ASSERT(!isImage && !isPath && !isMaskLayer && !isFont);
setPaintParameterifv(context, (Paint*)object, (VGPaintParamType)paramType, 1, values, true);
}
else if(isMaskLayer)
{
RI_ASSERT(!isImage && !isPath && !isPaint && !isFont);
context->setError(VG_ILLEGAL_ARGUMENT_ERROR); //invalid VGParamType
}
else
{ //read only, the function does nothing
RI_ASSERT(!isImage && !isPath && !isPaint && !isMaskLayer && isFont);
if (paramType != VG_FONT_NUM_GLYPHS)
context->setError(VG_ILLEGAL_ARGUMENT_ERROR); //invalid VGParamType
}
RI_RETURN(RI_NO_RETVAL);
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
void RI_APIENTRY vgSetParameteri(VGHandle object, VGint paramType, VGint value)
{
RI_GET_CONTEXT(RI_NO_RETVAL);
bool isImage = context->isValidImage(object);
bool isPath = context->isValidPath(object);
bool isPaint = context->isValidPaint(object);
bool isMaskLayer = context->isValidMaskLayer(object);
bool isFont = context->isValidFont(object);
RI_IF_ERROR(!isImage && !isPath && !isPaint && !isMaskLayer && !isFont, VG_BAD_HANDLE_ERROR, RI_NO_RETVAL); //invalid object handle
RI_IF_ERROR(paramType == VG_PAINT_COLOR || paramType == VG_PAINT_COLOR_RAMP_STOPS || paramType == VG_PAINT_LINEAR_GRADIENT ||
paramType == VG_PAINT_RADIAL_GRADIENT, VG_ILLEGAL_ARGUMENT_ERROR, RI_NO_RETVAL); //vector valued parameter
VGint values[1] = {value};
if(isImage)
{ //read only, the function does nothing
RI_ASSERT(!isPath && !isPaint && !isMaskLayer && !isFont);
if(paramType < VG_IMAGE_FORMAT || paramType > VG_IMAGE_HEIGHT)
context->setError(VG_ILLEGAL_ARGUMENT_ERROR); //invalid VGParamType
}
else if(isPath)
{ //read only, the function does nothing
RI_ASSERT(!isImage && !isPaint && !isMaskLayer && !isFont);
if(paramType < VG_PATH_FORMAT || paramType > VG_PATH_NUM_COORDS)
context->setError(VG_ILLEGAL_ARGUMENT_ERROR); //invalid VGParamType
}
else if(isPaint)
{
RI_ASSERT(!isImage && !isPath && !isMaskLayer && !isFont);
setPaintParameterifv(context, (Paint*)object, (VGPaintParamType)paramType, 1, values, false);
}
else if(isMaskLayer)
{
RI_ASSERT(!isImage && !isPath && !isPaint && !isFont);
context->setError(VG_ILLEGAL_ARGUMENT_ERROR); //invalid VGParamType
}
else
{ //read only, the function does nothing
RI_ASSERT(!isImage && !isPath && !isPaint && !isMaskLayer && isFont);
if (paramType != VG_FONT_NUM_GLYPHS)
context->setError(VG_ILLEGAL_ARGUMENT_ERROR); //invalid VGParamType
}
RI_RETURN(RI_NO_RETVAL);
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
void RI_APIENTRY vgSetParameterfv(VGHandle object, VGint paramType, VGint count, const VGfloat * values)
{
RI_GET_CONTEXT(RI_NO_RETVAL);
RI_IF_ERROR(count < 0 || (!values && count > 0) || (values && !isAligned(values,4)), VG_ILLEGAL_ARGUMENT_ERROR, RI_NO_RETVAL);
bool isImage = context->isValidImage(object);
bool isPath = context->isValidPath(object);
bool isPaint = context->isValidPaint(object);
bool isMaskLayer = context->isValidMaskLayer(object);
bool isFont = context->isValidFont(object);
RI_IF_ERROR(!isImage && !isPath && !isPaint && !isMaskLayer && !isFont, VG_BAD_HANDLE_ERROR, RI_NO_RETVAL); //invalid object handle
if(isImage)
{ //read only, the function does nothing
RI_ASSERT(!isPath && !isPaint && !isMaskLayer && !isFont);
if(paramType < VG_IMAGE_FORMAT || paramType > VG_IMAGE_HEIGHT)
context->setError(VG_ILLEGAL_ARGUMENT_ERROR); //invalid VGParamType
}
else if(isPath)
{ //read only, the function does nothing
RI_ASSERT(!isImage && !isPaint && !isMaskLayer && !isFont);
if(paramType < VG_PATH_FORMAT || paramType > VG_PATH_NUM_COORDS)
context->setError(VG_ILLEGAL_ARGUMENT_ERROR); //invalid VGParamType
}
else if(isPaint)
{
RI_ASSERT(!isImage && !isPath && !isMaskLayer && !isFont);
setPaintParameterifv(context, (Paint*)object, (VGPaintParamType)paramType, count, values, true);
}
else if(isMaskLayer)
{
RI_ASSERT(!isImage && !isPath && !isPaint && !isFont);
context->setError(VG_ILLEGAL_ARGUMENT_ERROR); //invalid VGParamType
}
else
{ //read only, the function does nothing
RI_ASSERT(!isImage && !isPath && !isPaint && !isMaskLayer && isFont);
if (paramType != VG_FONT_NUM_GLYPHS)
context->setError(VG_ILLEGAL_ARGUMENT_ERROR); //invalid VGParamType
}
RI_RETURN(RI_NO_RETVAL);
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
void RI_APIENTRY vgSetParameteriv(VGHandle object, VGint paramType, VGint count, const VGint * values)
{
RI_GET_CONTEXT(RI_NO_RETVAL);
RI_IF_ERROR(count < 0 || (!values && count > 0) || (values && !isAligned(values,4)), VG_ILLEGAL_ARGUMENT_ERROR, RI_NO_RETVAL);
bool isImage = context->isValidImage(object);
bool isPath = context->isValidPath(object);
bool isPaint = context->isValidPaint(object);
bool isMaskLayer = context->isValidMaskLayer(object);
bool isFont = context->isValidFont(object);
RI_IF_ERROR(!isImage && !isPath && !isPaint && !isMaskLayer && !isFont, VG_BAD_HANDLE_ERROR, RI_NO_RETVAL); //invalid object handle
if(isImage)
{ //read only, the function does nothing
RI_ASSERT(!isPath && !isPaint && !isMaskLayer && !isFont);
if(paramType < VG_IMAGE_FORMAT || paramType > VG_IMAGE_HEIGHT)
context->setError(VG_ILLEGAL_ARGUMENT_ERROR); //invalid VGParamType
}
else if(isPath)
{ //read only, the function does nothing
RI_ASSERT(!isImage && !isPaint && !isMaskLayer && !isFont);
if(paramType < VG_PATH_FORMAT || paramType > VG_PATH_NUM_COORDS)
context->setError(VG_ILLEGAL_ARGUMENT_ERROR); //invalid VGParamType
}
else if(isPaint)
{
RI_ASSERT(!isImage && !isPath && !isMaskLayer && !isFont);
setPaintParameterifv(context, (Paint*)object, (VGPaintParamType)paramType, count, values, false);
}
else if(isMaskLayer)
{
RI_ASSERT(!isImage && !isPath && !isPaint && !isFont);
context->setError(VG_ILLEGAL_ARGUMENT_ERROR); //invalid VGParamType
}
else
{ //read only, the function does nothing
RI_ASSERT(!isImage && !isPath && !isPaint && !isMaskLayer && isFont);
if (paramType != VG_FONT_NUM_GLYPHS)
context->setError(VG_ILLEGAL_ARGUMENT_ERROR); //invalid VGParamType
}
RI_RETURN(RI_NO_RETVAL);
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
static void getPaintParameterifv(VGContext* context, Paint* paint, VGPaintParamType type, VGint count, void* values, bool floats)
{
switch(type)
{
case VG_PAINT_TYPE:
if(count > 1) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
intToParam(values, floats, count, 0, paint->m_paintType);
break;
case VG_PAINT_COLOR:
if(count > 4) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
floatToParam(values, floats, count, 0, paint->m_inputPaintColor.r);
floatToParam(values, floats, count, 1, paint->m_inputPaintColor.g);
floatToParam(values, floats, count, 2, paint->m_inputPaintColor.b);
floatToParam(values, floats, count, 3, paint->m_inputPaintColor.a);
break;
case VG_PAINT_COLOR_RAMP_SPREAD_MODE:
if(count > 1) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
intToParam(values, floats, count, 0, paint->m_colorRampSpreadMode);
break;
case VG_PAINT_COLOR_RAMP_STOPS:
{
if(count > paint->m_inputColorRampStops.size()*5) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
int j = 0;
for(int i=0;i<paint->m_inputColorRampStops.size();i++)
{
floatToParam(values, floats, count, j++, paint->m_inputColorRampStops[i].offset);
floatToParam(values, floats, count, j++, paint->m_inputColorRampStops[i].color.r);
floatToParam(values, floats, count, j++, paint->m_inputColorRampStops[i].color.g);
floatToParam(values, floats, count, j++, paint->m_inputColorRampStops[i].color.b);
floatToParam(values, floats, count, j++, paint->m_inputColorRampStops[i].color.a);
}
break;
}
case VG_PAINT_COLOR_RAMP_PREMULTIPLIED:
if(count > 1) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
intToParam(values, floats, count, 0, paint->m_colorRampPremultiplied);
break;
case VG_PAINT_LINEAR_GRADIENT:
if(count > 4) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
floatToParam(values, floats, count, 0, paint->m_inputLinearGradientPoint0.x);
floatToParam(values, floats, count, 1, paint->m_inputLinearGradientPoint0.y);
floatToParam(values, floats, count, 2, paint->m_inputLinearGradientPoint1.x);
floatToParam(values, floats, count, 3, paint->m_inputLinearGradientPoint1.y);
break;
case VG_PAINT_RADIAL_GRADIENT:
if(count > 5) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
floatToParam(values, floats, count, 0, paint->m_inputRadialGradientCenter.x);
floatToParam(values, floats, count, 1, paint->m_inputRadialGradientCenter.y);
floatToParam(values, floats, count, 2, paint->m_inputRadialGradientFocalPoint.x);
floatToParam(values, floats, count, 3, paint->m_inputRadialGradientFocalPoint.y);
floatToParam(values, floats, count, 4, paint->m_inputRadialGradientRadius);
break;
case VG_PAINT_PATTERN_TILING_MODE:
if(count > 1) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
intToParam(values, floats, count, 0, paint->m_patternTilingMode);
break;
default:
context->setError(VG_ILLEGAL_ARGUMENT_ERROR); //invalid VGParamType
break;
}
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
static void getPathParameterifv(VGContext* context, Path* path, VGPathParamType type, VGint count, void* values, bool floats)
{
switch(type)
{
case VG_PATH_FORMAT:
if(count > 1) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
intToParam(values, floats, count, 0, path->getFormat());
break;
case VG_PATH_DATATYPE:
if(count > 1) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
intToParam(values, floats, count, 0, path->getDatatype());
break;
case VG_PATH_SCALE:
if(count > 1) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
floatToParam(values, floats, count, 0, path->getScale());
break;
case VG_PATH_BIAS:
if(count > 1) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
floatToParam(values, floats, count, 0, path->getBias());
break;
case VG_PATH_NUM_SEGMENTS:
if(count > 1) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
intToParam(values, floats, count, 0, path->getNumSegments());
break;
case VG_PATH_NUM_COORDS:
if(count > 1) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
intToParam(values, floats, count, 0, path->getNumCoordinates());
break;
default:
context->setError(VG_ILLEGAL_ARGUMENT_ERROR); //invalid VGParamType
break;
}
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
static void getImageParameterifv(VGContext* context, Image* image, VGImageParamType type, VGint count, void* values, bool floats)
{
switch(type)
{
case VG_IMAGE_FORMAT:
if(count > 1) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
RI_ASSERT(isValidImageFormat(image->getDescriptor().vgFormat));
intToParam(values, floats, count, 0, image->getDescriptor().vgFormat);
break;
case VG_IMAGE_WIDTH:
if(count > 1) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
intToParam(values, floats, count, 0, image->getWidth());
break;
case VG_IMAGE_HEIGHT:
if(count > 1) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
intToParam(values, floats, count, 0, image->getHeight());
break;
default:
context->setError(VG_ILLEGAL_ARGUMENT_ERROR); //invalid VGParamType
break;
}
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
static void getFontParameterifv(VGContext* context, Font* font, VGFontParamType type, VGint count, void* values, bool floats)
{
switch(type)
{
case VG_FONT_NUM_GLYPHS:
if(count > 1) { context->setError(VG_ILLEGAL_ARGUMENT_ERROR); return; }
intToParam(values, floats, count, 0, font->getNumGlyphs());
break;
default:
context->setError(VG_ILLEGAL_ARGUMENT_ERROR); //invalid VGParamType
break;
}
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
VGfloat RI_APIENTRY vgGetParameterf(VGHandle object, VGint paramType)
{
RI_GET_CONTEXT(0.0f);
RI_IF_ERROR(paramType == VG_PAINT_COLOR || paramType == VG_PAINT_COLOR_RAMP_STOPS || paramType == VG_PAINT_LINEAR_GRADIENT ||
paramType == VG_PAINT_RADIAL_GRADIENT, VG_ILLEGAL_ARGUMENT_ERROR, 0.0f); //vector valued parameter
bool isImage = context->isValidImage(object);
bool isPath = context->isValidPath(object);
bool isPaint = context->isValidPaint(object);
bool isFont = context->isValidFont(object);
RI_IF_ERROR(!isImage && !isPath && !isPaint && !isFont, VG_BAD_HANDLE_ERROR, 0.0f); //invalid object handle
VGfloat ret = 0.0f;
if(isImage)
{
RI_ASSERT(!isPath && !isPaint && !isFont);
getImageParameterifv(context, (Image*)object, (VGImageParamType)paramType, 1, &ret, true);
}
else if(isPath)
{
RI_ASSERT(!isImage && !isPaint && !isFont);
getPathParameterifv(context, (Path*)object, (VGPathParamType)paramType, 1, &ret, true);
}
else if(isPaint)
{
RI_ASSERT(!isImage && !isPath && !isFont);
getPaintParameterifv(context, (Paint*)object, (VGPaintParamType)paramType, 1, &ret, true);
}
else
{
RI_ASSERT(!isImage && !isPath && !isPaint && isFont);
getFontParameterifv(context, (Font*)object, (VGFontParamType)paramType, 1, &ret, true);
}
RI_RETURN(ret);
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
VGint RI_APIENTRY vgGetParameteri(VGHandle object, VGint paramType)
{
RI_GET_CONTEXT(0);
RI_IF_ERROR(paramType == VG_PAINT_COLOR || paramType == VG_PAINT_COLOR_RAMP_STOPS || paramType == VG_PAINT_LINEAR_GRADIENT ||
paramType == VG_PAINT_RADIAL_GRADIENT, VG_ILLEGAL_ARGUMENT_ERROR, 0); //vector valued parameter
bool isImage = context->isValidImage(object);
bool isPath = context->isValidPath(object);
bool isPaint = context->isValidPaint(object);
bool isFont = context->isValidFont(object);
RI_IF_ERROR(!isImage && !isPath && !isPaint && !isFont, VG_BAD_HANDLE_ERROR, 0); //invalid object handle
VGint ret = 0;
if(isImage)
{
RI_ASSERT(!isPath && !isPaint && !isFont);
getImageParameterifv(context, (Image*)object, (VGImageParamType)paramType, 1, &ret, false);
}
else if(isPath)
{
RI_ASSERT(!isImage && !isPaint && !isFont);
getPathParameterifv(context, (Path*)object, (VGPathParamType)paramType, 1, &ret, false);
}
else if(isPaint)
{
RI_ASSERT(!isImage && !isPath && !isFont);
getPaintParameterifv(context, (Paint*)object, (VGPaintParamType)paramType, 1, &ret, false);
}
else
{
RI_ASSERT(!isImage && !isPath && !isPaint && isFont);
getFontParameterifv(context, (Font*)object, (VGFontParamType)paramType, 1, &ret, false);
}
RI_RETURN(ret);
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
void RI_APIENTRY vgGetParameterfv(VGHandle object, VGint paramType, VGint count, VGfloat * values)
{
RI_GET_CONTEXT(RI_NO_RETVAL);
RI_IF_ERROR(count <= 0 || !values || !isAligned(values,4), VG_ILLEGAL_ARGUMENT_ERROR, RI_NO_RETVAL);
bool isImage = context->isValidImage(object);
bool isPath = context->isValidPath(object);
bool isPaint = context->isValidPaint(object);
bool isFont = context->isValidFont(object);
RI_IF_ERROR(!isImage && !isPath && !isPaint && !isFont, VG_BAD_HANDLE_ERROR, RI_NO_RETVAL); //invalid object handle
if(isImage)
{
RI_ASSERT(!isPath && !isPaint && !isFont);
getImageParameterifv(context, (Image*)object, (VGImageParamType)paramType, count, values, true);
}
else if(isPath)
{
RI_ASSERT(!isImage && !isPaint && !isFont);
getPathParameterifv(context, (Path*)object, (VGPathParamType)paramType, count, values, true);
}
else if(isPaint)
{
RI_ASSERT(!isImage && !isPath && !isFont);
getPaintParameterifv(context, (Paint*)object, (VGPaintParamType)paramType, count, values, true);
}
else
{
RI_ASSERT(!isImage && !isPath && !isPaint && isFont);
getFontParameterifv(context, (Font*)object, (VGFontParamType)paramType, count, values, true);
}
RI_RETURN(RI_NO_RETVAL);
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
void RI_APIENTRY vgGetParameteriv(VGHandle object, VGint paramType, VGint count, VGint * values)
{
RI_GET_CONTEXT(RI_NO_RETVAL);
RI_IF_ERROR(count <= 0 || !values || !isAligned(values,4), VG_ILLEGAL_ARGUMENT_ERROR, RI_NO_RETVAL);
bool isImage = context->isValidImage(object);
bool isPath = context->isValidPath(object);
bool isPaint = context->isValidPaint(object);
bool isFont = context->isValidFont(object);
RI_IF_ERROR(!isImage && !isPath && !isPaint && !isFont, VG_BAD_HANDLE_ERROR, RI_NO_RETVAL); //invalid object handle
if(isImage)
{
RI_ASSERT(!isPath && !isPaint && !isFont);
getImageParameterifv(context, (Image*)object, (VGImageParamType)paramType, count, values, false);
}
else if(isPath)
{
RI_ASSERT(!isImage && !isPaint && !isFont);
getPathParameterifv(context, (Path*)object, (VGPathParamType)paramType, count, values, false);
}
else if(isPaint)
{
RI_ASSERT(!isImage && !isPath && !isFont);
getPaintParameterifv(context, (Paint*)object, (VGPaintParamType)paramType, count, values, false);
}
else
{
RI_ASSERT(!isImage && !isPath && !isPaint && isFont);
getFontParameterifv(context, (Font*)object, (VGFontParamType)paramType, count, values, false);
}
RI_RETURN(RI_NO_RETVAL);
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
VGint RI_APIENTRY vgGetParameterVectorSize(VGHandle object, VGint paramType)
{
RI_GET_CONTEXT(0);
bool isImage = context->isValidImage(object);
bool isPath = context->isValidPath(object);
bool isPaint = context->isValidPaint(object);
bool isFont = context->isValidFont(object);
RI_IF_ERROR(!isImage && !isPath && !isPaint && !isFont, VG_BAD_HANDLE_ERROR, 0); //invalid object handle
int ret = 0;
if(isImage)
{
RI_ASSERT(!isPath && !isPaint && !isFont);
switch(paramType)
{
case VG_IMAGE_FORMAT:
case VG_IMAGE_WIDTH:
case VG_IMAGE_HEIGHT:
ret = 1;
break;
default:
context->setError(VG_ILLEGAL_ARGUMENT_ERROR); //invalid paramType
break;
}
}
else if(isPath)
{
RI_ASSERT(!isImage && !isPaint && !isFont);
switch(paramType)
{
case VG_PATH_FORMAT:
case VG_PATH_DATATYPE:
case VG_PATH_SCALE:
case VG_PATH_BIAS:
case VG_PATH_NUM_SEGMENTS:
case VG_PATH_NUM_COORDS:
ret = 1;
break;
default:
context->setError(VG_ILLEGAL_ARGUMENT_ERROR); //invalid paramType
break;
}
}
else if(isPaint)
{
RI_ASSERT(!isImage && !isPath && !isFont);
switch(paramType)
{
case VG_PAINT_TYPE:
case VG_PAINT_COLOR_RAMP_SPREAD_MODE:
case VG_PAINT_PATTERN_TILING_MODE:
ret = 1;
break;
case VG_PAINT_COLOR:
case VG_PAINT_LINEAR_GRADIENT:
ret = 4;
break;
case VG_PAINT_COLOR_RAMP_STOPS:
ret = ((Paint*)object)->m_inputColorRampStops.size() * 5;
break;
case VG_PAINT_COLOR_RAMP_PREMULTIPLIED:
ret = 1;
break;
case VG_PAINT_RADIAL_GRADIENT:
ret = 5;
break;
default:
context->setError(VG_ILLEGAL_ARGUMENT_ERROR); //invalid paramType
break;
}
}
else
{
RI_ASSERT(!isImage && !isPath && !isPaint && isFont);
switch(paramType)
{
case VG_FONT_NUM_GLYPHS:
ret = 1;
break;
default:
context->setError(VG_ILLEGAL_ARGUMENT_ERROR); //invalid paramType
break;
}
}
RI_RETURN(ret);
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
static Matrix3x3* getCurrentMatrix(VGContext* context)
{
RI_ASSERT(context);
switch(context->m_matrixMode)
{
case VG_MATRIX_PATH_USER_TO_SURFACE:
return &context->m_pathUserToSurface;
case VG_MATRIX_IMAGE_USER_TO_SURFACE:
return &context->m_imageUserToSurface;
case VG_MATRIX_FILL_PAINT_TO_USER:
return &context->m_fillPaintToUser;
case VG_MATRIX_STROKE_PAINT_TO_USER:
return &context->m_strokePaintToUser;
default:
RI_ASSERT(context->m_matrixMode == VG_MATRIX_GLYPH_USER_TO_SURFACE);
return &context->m_glyphUserToSurface;
}
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
void RI_APIENTRY vgLoadIdentity(void)
{
RI_GET_CONTEXT(RI_NO_RETVAL);
Matrix3x3* d = getCurrentMatrix(context);
d->identity();
RI_RETURN(RI_NO_RETVAL);
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
void RI_APIENTRY vgLoadMatrix(const VGfloat * m)
{
RI_GET_CONTEXT(RI_NO_RETVAL);
RI_IF_ERROR(!m || !isAligned(m,4), VG_ILLEGAL_ARGUMENT_ERROR, RI_NO_RETVAL);
Matrix3x3* d = getCurrentMatrix(context);
d->set(inputFloat(m[0]), inputFloat(m[3]), inputFloat(m[6]),
inputFloat(m[1]), inputFloat(m[4]), inputFloat(m[7]),
inputFloat(m[2]), inputFloat(m[5]), inputFloat(m[8]));
if(context->m_matrixMode != VG_MATRIX_IMAGE_USER_TO_SURFACE)
{
(*d)[2].set(0,0,1);
}
RI_RETURN(RI_NO_RETVAL);
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
void RI_APIENTRY vgGetMatrix(VGfloat * m)
{
RI_GET_CONTEXT(RI_NO_RETVAL);
RI_IF_ERROR(!m || !isAligned(m,4), VG_ILLEGAL_ARGUMENT_ERROR, RI_NO_RETVAL);
Matrix3x3* d = getCurrentMatrix(context);
m[0] = (*d)[0][0];
m[1] = (*d)[1][0];
m[2] = (*d)[2][0];
m[3] = (*d)[0][1];
m[4] = (*d)[1][1];
m[5] = (*d)[2][1];
m[6] = (*d)[0][2];
m[7] = (*d)[1][2];
m[8] = (*d)[2][2];
RI_RETURN(RI_NO_RETVAL);
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
void RI_APIENTRY vgMultMatrix(const VGfloat * m)
{
RI_GET_CONTEXT(RI_NO_RETVAL);
RI_IF_ERROR(!m || !isAligned(m,4), VG_ILLEGAL_ARGUMENT_ERROR, RI_NO_RETVAL);
Matrix3x3 n(inputFloat(m[0]), inputFloat(m[3]), inputFloat(m[6]),
inputFloat(m[1]), inputFloat(m[4]), inputFloat(m[7]),
inputFloat(m[2]), inputFloat(m[5]), inputFloat(m[8]));
if(context->m_matrixMode != VG_MATRIX_IMAGE_USER_TO_SURFACE)
n[2].set(0,0,1);
Matrix3x3* d = getCurrentMatrix(context);
*d *= n;
d->validate();
//d->assertValid();
if(context->m_matrixMode != VG_MATRIX_IMAGE_USER_TO_SURFACE)
{
(*d)[2].set(0,0,1); //force affinity
}
RI_RETURN(RI_NO_RETVAL);
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
void RI_APIENTRY vgTranslate(VGfloat tx, VGfloat ty)
{
RI_GET_CONTEXT(RI_NO_RETVAL);
Matrix3x3 n(1, 0, inputFloat(tx),
0, 1, inputFloat(ty),
0, 0, 1 );
Matrix3x3* d = getCurrentMatrix(context);
*d *= n;
d->validate();
//d->assertValid();
if(context->m_matrixMode != VG_MATRIX_IMAGE_USER_TO_SURFACE)
{
(*d)[2].set(0,0,1); //force affinity
}
RI_RETURN(RI_NO_RETVAL);
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
void RI_APIENTRY vgScale(VGfloat sx, VGfloat sy)
{
RI_GET_CONTEXT(RI_NO_RETVAL);
Matrix3x3 n(inputFloat(sx), 0, 0,
0, inputFloat(sy), 0,
0, 0, 1 );
Matrix3x3* d = getCurrentMatrix(context);
*d *= n;
d->validate();
//d->assertValid();
if(context->m_matrixMode != VG_MATRIX_IMAGE_USER_TO_SURFACE)
{
(*d)[2].set(0,0,1); //force affinity
}
RI_RETURN(RI_NO_RETVAL);
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
void RI_APIENTRY vgShear(VGfloat shx, VGfloat shy)
{
RI_GET_CONTEXT(RI_NO_RETVAL);
Matrix3x3 n(1, inputFloat(shx), 0,
inputFloat(shy), 1, 0,
0, 0, 1);
Matrix3x3* d = getCurrentMatrix(context);
*d *= n;
d->validate();
//d->assertValid();
if(context->m_matrixMode != VG_MATRIX_IMAGE_USER_TO_SURFACE)
{
(*d)[2].set(0,0,1); //force affinity
}
RI_RETURN(RI_NO_RETVAL);
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
void RI_APIENTRY vgRotate(VGfloat angle)
{
RI_GET_CONTEXT(RI_NO_RETVAL);
RIfloat a = RI_DEG_TO_RAD(inputFloat(angle));
Matrix3x3 n((RIfloat)cos(a), -(RIfloat)sin(a), 0,
(RIfloat)sin(a), (RIfloat)cos(a), 0,
0, 0, 1 );
Matrix3x3* d = getCurrentMatrix(context);
*d *= n;
d->validate();
//d->assertValid();
if(context->m_matrixMode != VG_MATRIX_IMAGE_USER_TO_SURFACE)
{
(*d)[2].set(0,0,1); //force affinity
}
RI_RETURN(RI_NO_RETVAL);
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
void RI_APIENTRY vgMask(VGHandle mask, VGMaskOperation operation, VGint x, VGint y, VGint width, VGint height)
{
RI_GET_CONTEXT(RI_NO_RETVAL);
const bool isImage = context->isValidImage(mask);
const bool isMaskLayer = context->isValidMaskLayer(mask);
const bool needInput = (operation != VG_CLEAR_MASK) && (operation != VG_FILL_MASK);
RI_IF_ERROR(operation != VG_CLEAR_MASK && operation != VG_FILL_MASK && !isImage && !isMaskLayer, VG_BAD_HANDLE_ERROR, RI_NO_RETVAL);
RI_IF_ERROR(operation != VG_CLEAR_MASK && operation != VG_FILL_MASK && isImage && eglvgIsInUse((Image*)mask), VG_IMAGE_IN_USE_ERROR, RI_NO_RETVAL);
RI_IF_ERROR(operation < VG_CLEAR_MASK || operation > VG_SUBTRACT_MASK, VG_ILLEGAL_ARGUMENT_ERROR, RI_NO_RETVAL);
RI_IF_ERROR(width <= 0 || height <= 0, VG_ILLEGAL_ARGUMENT_ERROR, RI_NO_RETVAL);
Drawable* drawable = context->getCurrentDrawable();
RI_IF_ERROR(isMaskLayer && drawable->getNumSamples() != ((Surface*)mask)->getNumSamples(), VG_ILLEGAL_ARGUMENT_ERROR, RI_NO_RETVAL);
if(!drawable || !drawable->getMaskBuffer())
{
RI_RETURN(RI_NO_RETVAL); //no EGL surface is current at the moment or context has no mask buffer
}
if(isImage)
drawable->getMaskBuffer()->mask(context->getBlitter(), (Image*)mask, operation, x, y, width, height);
else
{
RI_ASSERT(!isMaskLayer ? !needInput : true);
drawable->getMaskBuffer()->mask(context->getBlitter(), (!mask || !needInput) ? NULL : ((Surface*)mask)->getImage(), operation, x, y, width, height);
}
RI_RETURN(RI_NO_RETVAL);
}
void RI_APIENTRY vgRenderToMask(VGPath path, VGbitfield paintModes, VGMaskOperation operation)
{
Path* iPath = (Path*)path;
RI_GET_CONTEXT(RI_NO_RETVAL);
RI_IF_ERROR(!context->isValidPath(path), VG_BAD_HANDLE_ERROR, RI_NO_RETVAL); //invalid path handle
RI_IF_ERROR(!paintModes || (paintModes & ~(VG_FILL_PATH | VG_STROKE_PATH)), VG_ILLEGAL_ARGUMENT_ERROR, RI_NO_RETVAL); //invalid paint mode
RI_IF_ERROR(operation < VG_CLEAR_MASK || operation > VG_SUBTRACT_MASK, VG_ILLEGAL_ARGUMENT_ERROR, RI_NO_RETVAL);
Drawable* curr = context->getCurrentDrawable();
const Surface* mask = curr->getMaskBuffer();
if(!curr || !curr->getMaskBuffer())
{
RI_RETURN(RI_NO_RETVAL); //no EGL surface is current at the moment or context has no mask buffer
}
if(operation == VG_CLEAR_MASK || operation == VG_FILL_MASK)
{
//RI_ASSERT(false); // should call fill!
Image* dummy = NULL;
curr->getMaskBuffer()->mask(context->getBlitter(), dummy, operation, 0, 0, curr->getWidth(), curr->getHeight());
RI_RETURN(RI_NO_RETVAL);
}
try
{
// Create a temporary image to render the path on for some mask operations.
// \todo tero: There are optimizations that can do all the mask operations in one pass, but it
// takes too much time to implement them now.
Drawable *tmpDrawable = NULL;
try
{
if (operation == VG_INTERSECT_MASK)
{
tmpDrawable = RI_NEW(Drawable, (Color::formatToDescriptor(VG_A_8), curr->getWidth(), curr->getHeight(), 1, 0));
}
} catch (std::bad_alloc e)
{
throw e;
}
//Drawable drawable(Color::formatToDescriptor(VG_A_8), curr->getWidth(), curr->getHeight(), curr->getNumSamples(), 1); //TODO 0 mask bits (mask buffer is not used)
Rasterizer& rasterizer = context->m_rasterizer;
rasterizer.clear();
rasterizer.setScissoring(context->m_scissoring ? true : false);
if(context->m_scissoring)
rasterizer.setScissor(context->m_scissor); //throws bad_alloc
PixelPipe& pixelPipe = context->m_pixelPipe;
// \hack If the mask operation is intersect, we render normally to tempbuffer!
if (!tmpDrawable)
pixelPipe.setRenderToMask(true);
else
pixelPipe.setRenderToMask(false);
bool skipFill = false;
if (operation == VG_SET_MASK)
{
Surface *maskSurface = curr->getMaskBuffer();
maskSurface->clear(Color(), 0, 0, maskSurface->getWidth(), maskSurface->getHeight());
skipFill = true;
}
skipFill = skipFill && (paintModes & VG_STROKE_PATH);
pixelPipe.setMaskOperation(operation);
pixelPipe.setDrawable(tmpDrawable ? tmpDrawable : curr);
pixelPipe.setImage(NULL, VG_DRAW_IMAGE_NORMAL);
pixelPipe.setMask(false);
pixelPipe.setPaint(NULL); //use default paint (solid color alpha = 1)
pixelPipe.setBlendMode(VG_BLEND_SRC_OVER); //write solid color * coverage to dest
bool aa = context->m_renderingQuality == VG_RENDERING_QUALITY_NONANTIALIASED ? false : true;
rasterizer.setAntiAliasing(aa);
Matrix3x3 userToSurface = context->m_pathUserToSurface;
userToSurface[2].set(0,0,1); //force affinity
if((paintModes & VG_FILL_PATH) && (!skipFill))
{
rasterizer.clear();
rasterizer.setup(0, 0, mask->getWidth(), mask->getHeight(), context->m_fillRule, &pixelPipe);
pixelPipe.prepareSpanUniforms(aa);
iPath->fill(userToSurface, rasterizer); //throws bad_alloc
rasterizer.fill(); //throws bad_alloc
//curr->getMaskBuffer()->mask(drawable.getColorBuffer(), operation, 0, 0, drawable.getWidth(), drawable.getHeight());
if (tmpDrawable)
{
RI_ASSERT(operation == VG_INTERSECT_MASK);
curr->getMaskBuffer()->mask(context->getBlitter(), tmpDrawable->getColorBuffer()->getImage(), operation, 0, 0, tmpDrawable->getWidth(), tmpDrawable->getHeight());
if (paintModes & VG_STROKE_PATH)
{
Surface* tmpSurf = tmpDrawable->getColorBuffer();
tmpSurf->clear(Color(), 0, 0,
tmpSurf->getWidth(), tmpSurf->getHeight());
}
else
{
RI_DELETE(tmpDrawable);
tmpDrawable = NULL;
}
}
}
if((paintModes & VG_STROKE_PATH) && context->m_strokeLineWidth > 0.0f)
{
pixelPipe.prepareSpanUniforms(aa);
rasterizer.clear();
rasterizer.setup(0, 0, mask->getWidth(), mask->getHeight(), VG_NON_ZERO, &pixelPipe);
iPath->stroke(userToSurface, rasterizer, context->m_strokeDashPattern, context->m_strokeDashPhase, context->m_strokeDashPhaseReset ? true : false,
context->m_strokeLineWidth, context->m_strokeCapStyle, context->m_strokeJoinStyle, RI_MAX(context->m_strokeMiterLimit, 1.0f)); //throws bad_alloc
rasterizer.fill(); //throws bad_alloc
//curr->getMaskBuffer()->mask(drawable.getColorBuffer(), operation, 0, 0, drawable.getWidth(), drawable.getHeight());
if (tmpDrawable)
{
RI_ASSERT(operation == VG_INTERSECT_MASK);
curr->getMaskBuffer()->mask(context->getBlitter(), tmpDrawable->getColorBuffer()->getImage(), operation, 0, 0, tmpDrawable->getWidth(), tmpDrawable->getHeight());
RI_DELETE(tmpDrawable);
tmpDrawable = NULL;
}
}
RI_ASSERT(!tmpDrawable);
}
catch(std::bad_alloc)
{
context->setError(VG_OUT_OF_MEMORY_ERROR);
}
RI_RETURN(RI_NO_RETVAL);
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
VGMaskLayer RI_APIENTRY vgCreateMaskLayer(VGint width, VGint height)
{
RI_GET_CONTEXT(VG_INVALID_HANDLE);
RI_IF_ERROR(width <= 0 || height <= 0, VG_ILLEGAL_ARGUMENT_ERROR, VG_INVALID_HANDLE);
RI_IF_ERROR(width > RI_MAX_IMAGE_WIDTH || height > RI_MAX_IMAGE_HEIGHT || width*height > RI_MAX_IMAGE_PIXELS ||
width*height > RI_MAX_IMAGE_BYTES, VG_ILLEGAL_ARGUMENT_ERROR, VG_INVALID_HANDLE);
Drawable* curr = context->getCurrentDrawable();
if(!curr || !curr->getMaskBuffer())
RI_RETURN(VG_INVALID_HANDLE); //no current drawing surface
Surface* layer = NULL;
try
{
layer = RI_NEW(Surface, (Color::formatToDescriptor(VG_A_8), width, height, curr->getNumSamples())); //throws bad_alloc
RI_ASSERT(layer);
context->m_maskLayerManager->addResource(layer, context); //throws bad_alloc
layer->clear(Color(1,1,1,1,Color::sRGBA), 0, 0, width, height);
RI_RETURN((VGMaskLayer)layer);
}
catch(std::bad_alloc)
{
RI_DELETE(layer);
context->setError(VG_OUT_OF_MEMORY_ERROR);
RI_RETURN(VG_INVALID_HANDLE);
}
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
void RI_APIENTRY vgDestroyMaskLayer(VGMaskLayer maskLayer)
{
RI_GET_CONTEXT(RI_NO_RETVAL);
RI_IF_ERROR(!context->isValidMaskLayer(maskLayer), VG_BAD_HANDLE_ERROR, RI_NO_RETVAL); //invalid handle
context->m_maskLayerManager->removeResource((Surface*)maskLayer);
RI_RETURN(RI_NO_RETVAL);
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
void RI_APIENTRY vgFillMaskLayer(VGMaskLayer maskLayer, VGint x, VGint y, VGint width, VGint height, VGfloat value)
{
RI_GET_CONTEXT(RI_NO_RETVAL);
RI_IF_ERROR(!context->isValidMaskLayer(maskLayer), VG_BAD_HANDLE_ERROR, RI_NO_RETVAL); //invalid handle
RI_IF_ERROR(value < 0.0f || value > 1.0f, VG_ILLEGAL_ARGUMENT_ERROR, RI_NO_RETVAL);
Surface* layer = (Surface*)maskLayer;
RI_IF_ERROR(width <= 0 || height <= 0 || x < 0 || y < 0 || x > layer->getWidth()-width || y > layer->getHeight()-height, VG_ILLEGAL_ARGUMENT_ERROR, RI_NO_RETVAL);
layer->clear(Color(1,1,1,value,Color::sRGBA), x, y, width, height);
RI_RETURN(RI_NO_RETVAL);
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
void RI_APIENTRY vgCopyMask(VGMaskLayer maskLayer, VGint dx, VGint dy, VGint sx, VGint sy, VGint width, VGint height)
{
RI_GET_CONTEXT(RI_NO_RETVAL);
RI_IF_ERROR(!context->isValidMaskLayer(maskLayer), VG_BAD_HANDLE_ERROR, RI_NO_RETVAL); //invalid handle
Drawable* drawable = context->getCurrentDrawable();
if(!drawable || !drawable->getMaskBuffer())
{
RI_RETURN(RI_NO_RETVAL); //no EGL surface is current at the moment or context has no mask buffer
}
Surface* layer = (Surface*)maskLayer;
RI_IF_ERROR(width <= 0 || height <= 0 || drawable->getNumSamples() != layer->getNumSamples(), VG_ILLEGAL_ARGUMENT_ERROR, RI_NO_RETVAL);
try
{ //copy drawing surface mask to mask layer
// \note Removed support for msaa
layer->m_image->blit(context, drawable->getMaskBuffer()->getImage(), sx, sy, dx, dy, width, height);
//layer->blit(drawable->getMaskBuffer(), sx, sy, dx, dy, width, height); //throws bad_alloc
}
catch(std::bad_alloc)
{
context->setError(VG_OUT_OF_MEMORY_ERROR);
}
RI_RETURN(RI_NO_RETVAL);
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
void RI_APIENTRY vgClear(VGint x, VGint y, VGint width, VGint height)
{
RI_GET_CONTEXT(RI_NO_RETVAL);
RI_IF_ERROR(width <= 0 || height <= 0, VG_ILLEGAL_ARGUMENT_ERROR, RI_NO_RETVAL);
Drawable* drawable = context->getCurrentDrawable();
if(!drawable)
{
RI_RETURN(RI_NO_RETVAL); //no EGL surface is current at the moment
}
try
{
if(context->m_scissoring)
drawable->getColorBuffer()->clear(context->m_clearColor, x, y, width, height, &context->m_scissor); //throws bad_alloc
else
drawable->getColorBuffer()->clear(context->m_clearColor, x, y, width, height);
}
catch(std::bad_alloc)
{
context->setError(VG_OUT_OF_MEMORY_ERROR);
}
RI_RETURN(RI_NO_RETVAL);
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
VGPath RI_APIENTRY vgCreatePath(VGint pathFormat, VGPathDatatype datatype, VGfloat scale, VGfloat bias, VGint segmentCapacityHint, VGint coordCapacityHint, VGbitfield capabilities)
{
RI_GET_CONTEXT(VG_INVALID_HANDLE);
RI_IF_ERROR(pathFormat != VG_PATH_FORMAT_STANDARD, VG_UNSUPPORTED_PATH_FORMAT_ERROR, VG_INVALID_HANDLE);
RI_IF_ERROR(datatype < VG_PATH_DATATYPE_S_8 || datatype > VG_PATH_DATATYPE_F, VG_ILLEGAL_ARGUMENT_ERROR, VG_INVALID_HANDLE);
RIfloat s = inputFloat(scale);
RIfloat b = inputFloat(bias);
RI_IF_ERROR(s == 0.0f, VG_ILLEGAL_ARGUMENT_ERROR, VG_INVALID_HANDLE);
capabilities &= VG_PATH_CAPABILITY_ALL; //undefined bits are ignored
Path* path = NULL;
try
{
path = RI_NEW(Path, (pathFormat, datatype, s, b, segmentCapacityHint, coordCapacityHint, capabilities)); //throws bad_alloc
RI_ASSERT(path);
context->m_pathManager->addResource(path, context); //throws bad_alloc
RI_RETURN((VGPath)path);
}
catch(std::bad_alloc)
{
RI_DELETE(path);
context->setError(VG_OUT_OF_MEMORY_ERROR);
RI_RETURN(VG_INVALID_HANDLE);
}
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
void RI_APIENTRY vgClearPath(VGPath path, VGbitfield capabilities)
{
RI_GET_CONTEXT(RI_NO_RETVAL);
RI_IF_ERROR(!context->isValidPath(path), VG_BAD_HANDLE_ERROR, RI_NO_RETVAL); //invalid path handle
capabilities &= VG_PATH_CAPABILITY_ALL; //undefined bits are ignored
((Path*)path)->clear(capabilities);
RI_RETURN(RI_NO_RETVAL);
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
void RI_APIENTRY vgDestroyPath(VGPath path)
{
RI_GET_CONTEXT(RI_NO_RETVAL);
RI_IF_ERROR(!context->isValidPath(path), VG_BAD_HANDLE_ERROR, RI_NO_RETVAL); //invalid path handle
context->m_pathManager->removeResource((Path*)path);
RI_RETURN(RI_NO_RETVAL);
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
void RI_APIENTRY vgRemovePathCapabilities(VGPath path, VGbitfield capabilities)
{
RI_GET_CONTEXT(RI_NO_RETVAL);
RI_IF_ERROR(!context->isValidPath(path), VG_BAD_HANDLE_ERROR, RI_NO_RETVAL); //invalid path handle
capabilities &= VG_PATH_CAPABILITY_ALL; //undefined bits are ignored
VGbitfield caps = ((Path*)path)->getCapabilities();
caps &= ~capabilities;
((Path*)path)->setCapabilities(caps);
RI_RETURN(RI_NO_RETVAL);
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
VGbitfield RI_APIENTRY vgGetPathCapabilities(VGPath path)
{
RI_GET_CONTEXT(0);
RI_IF_ERROR(!context->isValidPath(path), VG_BAD_HANDLE_ERROR, 0); //invalid path handle
VGbitfield ret = ((Path*)path)->getCapabilities();
RI_RETURN(ret);
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
void RI_APIENTRY vgAppendPathData(VGPath dstPath, VGint numSegments, const VGubyte * pathSegments, const void * pathData)
{
RI_GET_CONTEXT(RI_NO_RETVAL);
RI_IF_ERROR(!context->isValidPath(dstPath), VG_BAD_HANDLE_ERROR, RI_NO_RETVAL); //invalid path handle
Path* p = (Path*)dstPath;
RI_IF_ERROR(!(p->getCapabilities() & VG_PATH_CAPABILITY_APPEND_TO), VG_PATH_CAPABILITY_ERROR, RI_NO_RETVAL); //no append cap
RI_IF_ERROR(numSegments <= 0 || !pathSegments || !pathData, VG_ILLEGAL_ARGUMENT_ERROR, RI_NO_RETVAL); //no segments or data
RI_IF_ERROR((p->getDatatype() == VG_PATH_DATATYPE_S_16 && !isAligned(pathData,2)) ||
((p->getDatatype() == VG_PATH_DATATYPE_S_32 || p->getDatatype() == VG_PATH_DATATYPE_F) && !isAligned(pathData,4)),
VG_ILLEGAL_ARGUMENT_ERROR, RI_NO_RETVAL); //invalid alignment
for(int i=0;i<numSegments;i++)
{
VGPathSegment c = (VGPathSegment)(pathSegments[i] & 0x1e);
RI_IF_ERROR(c < VG_CLOSE_PATH || c > VG_LCWARC_TO, VG_ILLEGAL_ARGUMENT_ERROR, RI_NO_RETVAL); //invalid segment
RI_IF_ERROR(c & ~0x1f, VG_ILLEGAL_ARGUMENT_ERROR, RI_NO_RETVAL); //reserved bits are nonzero
}
try
{
p->appendData((const RIuint8*)pathSegments, numSegments, (const RIuint8*)pathData); //throws bad_alloc
}
catch(std::bad_alloc)
{
context->setError(VG_OUT_OF_MEMORY_ERROR);
}
RI_RETURN(RI_NO_RETVAL);
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
void RI_APIENTRY vgModifyPathCoords(VGPath dstPath, VGint startIndex, VGint numSegments, const void * pathData)
{
RI_GET_CONTEXT(RI_NO_RETVAL);
RI_IF_ERROR(!context->isValidPath(dstPath), VG_BAD_HANDLE_ERROR, RI_NO_RETVAL); //invalid path handle
Path* p = (Path*)dstPath;
RI_IF_ERROR(!(p->getCapabilities() & VG_PATH_CAPABILITY_MODIFY), VG_PATH_CAPABILITY_ERROR, RI_NO_RETVAL); //no modify cap
RI_IF_ERROR(!pathData || startIndex < 0 || numSegments <= 0 || RI_INT_ADDSATURATE(startIndex, numSegments) > p->getNumSegments(), VG_ILLEGAL_ARGUMENT_ERROR, RI_NO_RETVAL); //no segments
RI_IF_ERROR((p->getDatatype() == VG_PATH_DATATYPE_S_16 && !isAligned(pathData,2)) ||
((p->getDatatype() == VG_PATH_DATATYPE_S_32 || p->getDatatype() == VG_PATH_DATATYPE_F) && !isAligned(pathData,4)),
VG_ILLEGAL_ARGUMENT_ERROR, RI_NO_RETVAL); //invalid alignment
p->modifyCoords(startIndex, numSegments, (const RIuint8*)pathData);
RI_RETURN(RI_NO_RETVAL);
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
void RI_APIENTRY vgAppendPath(VGPath dstPath, VGPath srcPath)
{
RI_GET_CONTEXT(RI_NO_RETVAL);
RI_IF_ERROR(!context->isValidPath(dstPath) || !context->isValidPath(srcPath), VG_BAD_HANDLE_ERROR, RI_NO_RETVAL); //invalid path handle
RI_IF_ERROR(!(((Path*)dstPath)->getCapabilities() & VG_PATH_CAPABILITY_APPEND_TO) ||
!(((Path*)srcPath)->getCapabilities() & VG_PATH_CAPABILITY_APPEND_FROM), VG_PATH_CAPABILITY_ERROR, RI_NO_RETVAL); //invalid caps
try
{
((Path*)dstPath)->append((Path*)srcPath); //throws bad_alloc
}
catch(std::bad_alloc)
{
context->setError(VG_OUT_OF_MEMORY_ERROR);
}
RI_RETURN(RI_NO_RETVAL);
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
void RI_APIENTRY vgTransformPath(VGPath dstPath, VGPath srcPath)
{
RI_GET_CONTEXT(RI_NO_RETVAL);
RI_IF_ERROR(!context->isValidPath(dstPath) || !context->isValidPath(srcPath), VG_BAD_HANDLE_ERROR, RI_NO_RETVAL); //invalid path handle
RI_IF_ERROR(!(((Path*)dstPath)->getCapabilities() & VG_PATH_CAPABILITY_TRANSFORM_TO) ||
!(((Path*)srcPath)->getCapabilities() & VG_PATH_CAPABILITY_TRANSFORM_FROM), VG_PATH_CAPABILITY_ERROR, RI_NO_RETVAL); //invalid caps
try
{
((Path*)dstPath)->transform((Path*)srcPath, context->m_pathUserToSurface); //throws bad_alloc
}
catch(std::bad_alloc)
{
context->setError(VG_OUT_OF_MEMORY_ERROR);
}
RI_RETURN(RI_NO_RETVAL);
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
static bool drawPath(VGContext* context, VGPath path, const Matrix3x3& userToSurfaceMatrix, VGbitfield paintModes)
{
Path* iPath = (Path*)path;
//set up rendering surface and mask buffer
Drawable* drawable = context->getCurrentDrawable();
if(!drawable)
return false; //no EGL surface is current at the moment
Rasterizer& rasterizer = context->m_rasterizer;
rasterizer.clear();
if(context->m_scissoring)
{
rasterizer.setScissor(context->m_scissor); //throws bad_alloc
}
rasterizer.setScissoring(context->m_scissoring ? true : false);
PixelPipe& pixelPipe = context->m_pixelPipe;
pixelPipe.setRenderToMask(false);
pixelPipe.setDrawable(drawable);
pixelPipe.setImage(NULL, VG_DRAW_IMAGE_NORMAL);
pixelPipe.setMask(context->m_masking ? true : false);
pixelPipe.setBlendMode(context->m_blendMode);
pixelPipe.setTileFillColor(context->m_tileFillColor);
pixelPipe.setImageQuality(context->m_imageQuality);
pixelPipe.setColorTransform(context->m_colorTransform ? true : false, context->m_colorTransformValues);
bool aa = context->m_renderingQuality == VG_RENDERING_QUALITY_NONANTIALIASED ? false : true;
rasterizer.setAntiAliasing(aa);
Matrix3x3 userToSurface = userToSurfaceMatrix;
userToSurface[2].set(0,0,1); //force affinity
if(paintModes & VG_FILL_PATH)
{
// \todo Reorganize so that pipe.setpaint handles/requires the matrix setup?
pixelPipe.setPaint((Paint*)context->m_fillPaint);
Matrix3x3 paintToSurfaceMatrix = userToSurface * context->m_fillPaintToUser;
Matrix3x3 surfaceToPaintMatrix = paintToSurfaceMatrix;
if(surfaceToPaintMatrix.invert())
{
surfaceToPaintMatrix[2].set(0,0,1); //force affinity
pixelPipe.setSurfaceToPaintMatrix(surfaceToPaintMatrix);
pixelPipe.prepareSpanUniforms(aa);
rasterizer.clear();
rasterizer.setup(0, 0, drawable->getWidth(), drawable->getHeight(), context->m_fillRule, &pixelPipe);
iPath->fill(userToSurface, rasterizer); //throws bad_alloc
rasterizer.fill(); //throws bad_alloc
}
}
if(paintModes & VG_STROKE_PATH && context->m_strokeLineWidth > 0.0f)
{
pixelPipe.setPaint((Paint*)context->m_strokePaint);
Matrix3x3 paintToSurfaceMatrix = userToSurface * context->m_strokePaintToUser;
Matrix3x3 surfaceToPaintMatrix = paintToSurfaceMatrix;
if(surfaceToPaintMatrix.invert())
{
surfaceToPaintMatrix[2].set(0,0,1); //force affinity
pixelPipe.setSurfaceToPaintMatrix(surfaceToPaintMatrix);
pixelPipe.prepareSpanUniforms(aa);
rasterizer.clear();
rasterizer.setup(0, 0, drawable->getWidth(), drawable->getHeight(), VG_NON_ZERO, &pixelPipe);
iPath->stroke(userToSurface, rasterizer, context->m_strokeDashPattern, context->m_strokeDashPhase, context->m_strokeDashPhaseReset ? true : false,
context->m_strokeLineWidth, context->m_strokeCapStyle, context->m_strokeJoinStyle, RI_MAX(context->m_strokeMiterLimit, 1.0f)); //throws bad_alloc
rasterizer.fill(); //throws bad_alloc
}
}
return true;
}
void RI_APIENTRY vgDrawPath(VGPath path, VGbitfield paintModes)
{
RI_GET_CONTEXT(RI_NO_RETVAL);
RI_IF_ERROR(!context->isValidPath(path), VG_BAD_HANDLE_ERROR, RI_NO_RETVAL); //invalid path handle
RI_IF_ERROR(!paintModes || (paintModes & ~(VG_FILL_PATH | VG_STROKE_PATH)), VG_ILLEGAL_ARGUMENT_ERROR, RI_NO_RETVAL); //invalid paint mode
try
{
eglvgLockSurface(0, 1);
if(!drawPath(context, path, context->m_pathUserToSurface, paintModes))
{
eglvgUnlockSurface();
RI_RETURN(RI_NO_RETVAL);
}
eglvgUnlockSurface();
}
catch(std::bad_alloc)
{
context->setError(VG_OUT_OF_MEMORY_ERROR);
}
RI_RETURN(RI_NO_RETVAL);
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
VGfloat RI_APIENTRY vgPathLength(VGPath path, VGint startSegment, VGint numSegments)
{
RI_GET_CONTEXT(-1.0f);
RI_IF_ERROR(!context->isValidPath(path), VG_BAD_HANDLE_ERROR, -1.0f); //invalid path handle
Path* p = (Path*)path;
RI_IF_ERROR(!(p->getCapabilities() & VG_PATH_CAPABILITY_PATH_LENGTH), VG_PATH_CAPABILITY_ERROR, -1.0f); //invalid caps
RI_IF_ERROR(startSegment < 0 || numSegments <= 0 || RI_INT_ADDSATURATE(startSegment, numSegments) > p->getNumSegments(), VG_ILLEGAL_ARGUMENT_ERROR, -1.0f);
RIfloat pathLength = -1.0f;
try
{
pathLength = p->getPathLength(startSegment, numSegments); //throws bad_alloc
}
catch(std::bad_alloc)
{
context->setError(VG_OUT_OF_MEMORY_ERROR);
}
RI_RETURN(pathLength);
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
void RI_APIENTRY vgPointAlongPath(VGPath path, VGint startSegment, VGint numSegments, VGfloat distance, VGfloat * x, VGfloat * y, VGfloat * tangentX, VGfloat * tangentY)
{
RI_GET_CONTEXT(RI_NO_RETVAL);
RI_IF_ERROR(!context->isValidPath(path), VG_BAD_HANDLE_ERROR, RI_NO_RETVAL); //invalid path handle
Path* p = (Path*)path;
RI_IF_ERROR((x && y && !(p->getCapabilities() & VG_PATH_CAPABILITY_POINT_ALONG_PATH)) ||
(tangentX && tangentY && !(p->getCapabilities() & VG_PATH_CAPABILITY_TANGENT_ALONG_PATH)), VG_PATH_CAPABILITY_ERROR, RI_NO_RETVAL); //invalid caps
RI_IF_ERROR(startSegment < 0 || numSegments <= 0 || RI_INT_ADDSATURATE(startSegment, numSegments) > p->getNumSegments(), VG_ILLEGAL_ARGUMENT_ERROR, RI_NO_RETVAL);
RI_IF_ERROR(!isAligned(x,4) || !isAligned(y,4) || !isAligned(tangentX,4) || !isAligned(tangentY,4), VG_ILLEGAL_ARGUMENT_ERROR, RI_NO_RETVAL);
try
{
Vector2 point, tangent;
p->getPointAlong(startSegment, numSegments, distance, point, tangent); //throws bad_alloc
if(x && y)
{
*x = point.x;
*y = point.y;
}
if(tangentX && tangentY)
{
tangent.normalize();
*tangentX = tangent.x;
*tangentY = tangent.y;
}
}
catch(std::bad_alloc)
{
context->setError(VG_OUT_OF_MEMORY_ERROR);
}
RI_RETURN(RI_NO_RETVAL);
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
void RI_APIENTRY vgPathBounds(VGPath path, VGfloat * minx, VGfloat * miny, VGfloat * width, VGfloat * height)
{
RI_GET_CONTEXT(RI_NO_RETVAL);
RI_IF_ERROR(!context->isValidPath(path), VG_BAD_HANDLE_ERROR, RI_NO_RETVAL); //invalid path handle
RI_IF_ERROR(!(((Path*)path)->getCapabilities() & VG_PATH_CAPABILITY_PATH_BOUNDS), VG_PATH_CAPABILITY_ERROR, RI_NO_RETVAL); //invalid caps
RI_IF_ERROR(!minx || !miny || !width || !height, VG_ILLEGAL_ARGUMENT_ERROR, RI_NO_RETVAL);
RI_IF_ERROR(!isAligned(minx,4) || !isAligned(miny,4) || !isAligned(width,4) || !isAligned(height,4), VG_ILLEGAL_ARGUMENT_ERROR, RI_NO_RETVAL);
try
{
RIfloat pminx,pminy,pmaxx,pmaxy;
((Path*)path)->getPathBounds(pminx, pminy, pmaxx, pmaxy); //throws bad_alloc
*minx = pminx;
*miny = pminy;
*width = pmaxx - pminx;
*height = pmaxy - pminy;
}
catch(std::bad_alloc)
{
context->setError(VG_OUT_OF_MEMORY_ERROR);
}
RI_RETURN(RI_NO_RETVAL);
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
void RI_APIENTRY vgPathTransformedBounds(VGPath path, VGfloat * minx, VGfloat * miny, VGfloat * width, VGfloat * height)
{
RI_GET_CONTEXT(RI_NO_RETVAL);
RI_IF_ERROR(!context->isValidPath(path), VG_BAD_HANDLE_ERROR, RI_NO_RETVAL); //invalid path handle
RI_IF_ERROR(!(((Path*)path)->getCapabilities() & VG_PATH_CAPABILITY_PATH_TRANSFORMED_BOUNDS), VG_PATH_CAPABILITY_ERROR, RI_NO_RETVAL); //invalid caps
RI_IF_ERROR(!minx || !miny || !width || !height, VG_ILLEGAL_ARGUMENT_ERROR, RI_NO_RETVAL);
RI_IF_ERROR(!isAligned(minx,4) || !isAligned(miny,4) || !isAligned(width,4) || !isAligned(height,4), VG_ILLEGAL_ARGUMENT_ERROR, RI_NO_RETVAL);
try
{
RIfloat pminx, pminy, pmaxx, pmaxy;
((Path*)path)->getPathTransformedBounds(context->m_pathUserToSurface, pminx, pminy, pmaxx, pmaxy); //throws bad_alloc
*minx = pminx;
*miny = pminy;
*width = pmaxx - pminx;
*height = pmaxy - pminy;
}
catch(std::bad_alloc)
{
context->setError(VG_OUT_OF_MEMORY_ERROR);
}
RI_RETURN(RI_NO_RETVAL);
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
VGboolean RI_APIENTRY vgInterpolatePath(VGPath dstPath, VGPath startPath, VGPath endPath, VGfloat amount)
{
RI_GET_CONTEXT(VG_FALSE);
RI_IF_ERROR(!context->isValidPath(dstPath) || !context->isValidPath(startPath) || !context->isValidPath(endPath), VG_BAD_HANDLE_ERROR, VG_FALSE); //invalid path handle
RI_IF_ERROR(!(((Path*)dstPath)->getCapabilities() & VG_PATH_CAPABILITY_INTERPOLATE_TO) ||
!(((Path*)startPath)->getCapabilities() & VG_PATH_CAPABILITY_INTERPOLATE_FROM) ||
!(((Path*)endPath)->getCapabilities() & VG_PATH_CAPABILITY_INTERPOLATE_FROM), VG_PATH_CAPABILITY_ERROR, VG_FALSE); //invalid caps
VGboolean ret = VG_FALSE;
try
{
if(((Path*)dstPath)->interpolate((const Path*)startPath, (const Path*)endPath, inputFloat(amount))) //throws bad_alloc
ret = VG_TRUE;
}
catch(std::bad_alloc)
{
context->setError(VG_OUT_OF_MEMORY_ERROR);
}
RI_RETURN(ret);
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
VGPaint RI_APIENTRY vgCreatePaint(void)
{
RI_GET_CONTEXT(VG_INVALID_HANDLE);
Paint* paint = NULL;
RI_TRACE("\n***** vgCreatePaint\n");
try
{
paint = RI_NEW(Paint, ()); //throws bad_alloc
RI_ASSERT(paint);
context->m_paintManager->addResource(paint, context); //throws bad_alloc
RI_TRACE("===== vgCreatePaint: Created paint obj: %x\n", (int)paint);
RI_RETURN((VGPaint)paint);
}
catch(std::bad_alloc)
{
RI_DELETE(paint);
context->setError(VG_OUT_OF_MEMORY_ERROR);
RI_RETURN(VG_INVALID_HANDLE);
}
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
void RI_APIENTRY vgDestroyPaint(VGPaint paint)
{
RI_GET_CONTEXT(RI_NO_RETVAL);
RI_IF_ERROR(!context->isValidPaint(paint), VG_BAD_HANDLE_ERROR, RI_NO_RETVAL); //invalid paint handle
context->m_paintManager->removeResource((Paint*)paint);
RI_RETURN(RI_NO_RETVAL);
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
void RI_APIENTRY vgSetPaint(VGPaint paint, VGbitfield paintModes)
{
RI_GET_CONTEXT(RI_NO_RETVAL);
RI_TRACE("\n***** vgSetPaint: %x mode: %d\n", (int)paint, (int)paintModes);
RI_IF_ERROR(paint && !context->isValidPaint(paint), VG_BAD_HANDLE_ERROR, RI_NO_RETVAL); //invalid paint handle
RI_IF_ERROR(!paintModes || paintModes & ~(VG_FILL_PATH | VG_STROKE_PATH), VG_ILLEGAL_ARGUMENT_ERROR, RI_NO_RETVAL); //invalid paint mode
context->releasePaint(paintModes);
if(paintModes & VG_FILL_PATH)
{
if(paint)
((Paint*)paint)->addReference();
context->m_fillPaint = paint;
}
if(paintModes & VG_STROKE_PATH)
{
if(paint)
((Paint*)paint)->addReference();
context->m_strokePaint = paint;
}
RI_RETURN(RI_NO_RETVAL);
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
void RI_APIENTRY vgSetColor(VGPaint paint, VGuint rgba)
{
RI_GET_CONTEXT(RI_NO_RETVAL);
RI_TRACE("\n***** vgSetColor: %x, rgba: %x\n", paint, rgba);
RI_IF_ERROR(!context->isValidPaint(paint), VG_BAD_HANDLE_ERROR, RI_NO_RETVAL); //invalid paint handle
Paint* p = (Paint*)paint;
p->m_inputPaintColor.unpack(rgba, Color::formatToDescriptor(VG_sRGBA_8888));
p->setColor(inputColor(p->m_inputPaintColor));
RI_TRACE("** -> [%.3f %.3f %.3f %.3f]\n", p->m_paintColor.r, p->m_paintColor.g, p->m_paintColor.b, p->m_paintColor.a);
// p->m_paintColor = inputColor(p->m_inputPaintColor);
// p->m_paintColor.clamp();
// p->m_paintColor.premultiply();
RI_RETURN(RI_NO_RETVAL);
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
VGuint RI_APIENTRY vgGetColor(VGPaint paint)
{
RI_GET_CONTEXT(0);
RI_IF_ERROR(!context->isValidPaint(paint), VG_BAD_HANDLE_ERROR, 0); //invalid paint handle
Color tempColor = ((Paint*)paint)->m_inputPaintColor;
tempColor.clamp();
unsigned int ret = tempColor.pack(Color::formatToDescriptor(VG_sRGBA_8888));
RI_RETURN(ret);
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
VGPaint RI_APIENTRY vgGetPaint(VGPaintMode paintMode)
{
RI_GET_CONTEXT(VG_INVALID_HANDLE);
RI_IF_ERROR(paintMode != VG_FILL_PATH && paintMode != VG_STROKE_PATH, VG_ILLEGAL_ARGUMENT_ERROR, VG_INVALID_HANDLE); //invalid paint mode
if(paintMode == VG_FILL_PATH)
{
RI_RETURN(context->m_fillPaint);
}
RI_RETURN(context->m_strokePaint);
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
void RI_APIENTRY vgPaintPattern(VGPaint paint, VGImage image)
{
RI_GET_CONTEXT(RI_NO_RETVAL);
RI_IF_ERROR(!context->isValidPaint(paint) || (image != VG_INVALID_HANDLE && !context->isValidImage(image)), VG_BAD_HANDLE_ERROR, RI_NO_RETVAL); //invalid handle
Image* img = (Image*)image;
Paint* pnt = (Paint*)paint;
RI_IF_ERROR(image != VG_INVALID_HANDLE && eglvgIsInUse(img), VG_IMAGE_IN_USE_ERROR, RI_NO_RETVAL);
Image* pattern = pnt->m_pattern;
if(pattern)
{
pattern->removeInUse();
if(!pattern->removeReference())
RI_DELETE(pattern);
}
pnt->m_pattern = img;
if(img)
{
img->addReference();
img->addInUse();
}
RI_RETURN(RI_NO_RETVAL);
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
VGImage RI_APIENTRY vgCreateImage(VGImageFormat format, VGint width, VGint height, VGbitfield allowedQuality)
{
RI_GET_CONTEXT(VG_INVALID_HANDLE);
RI_IF_ERROR(!isValidImageFormat(format), VG_UNSUPPORTED_IMAGE_FORMAT_ERROR, VG_INVALID_HANDLE);
RI_IF_ERROR(width <= 0 || height <= 0 || !allowedQuality ||
(allowedQuality & ~(VG_IMAGE_QUALITY_NONANTIALIASED | VG_IMAGE_QUALITY_FASTER | VG_IMAGE_QUALITY_BETTER)), VG_ILLEGAL_ARGUMENT_ERROR, VG_INVALID_HANDLE);
RI_IF_ERROR(width > RI_MAX_IMAGE_WIDTH || height > RI_MAX_IMAGE_HEIGHT || width*height > RI_MAX_IMAGE_PIXELS ||
((width*Color::formatToDescriptor(format).bitsPerPixel+7)/8)*height > RI_MAX_IMAGE_BYTES, VG_ILLEGAL_ARGUMENT_ERROR, VG_INVALID_HANDLE);
Image* image = NULL;
try
{
image = RI_NEW(Image, (Color::formatToDescriptor(format), width, height, allowedQuality)); //throws bad_alloc
RI_ASSERT(image);
context->m_imageManager->addResource(image, context); //throws bad_alloc
RI_RETURN((VGImage)image);
}
catch(std::bad_alloc)
{
RI_DELETE(image);
context->setError(VG_OUT_OF_MEMORY_ERROR);
RI_RETURN(VG_INVALID_HANDLE);
}
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
void RI_APIENTRY vgDestroyImage(VGImage image)
{
RI_GET_CONTEXT(RI_NO_RETVAL);
RI_IF_ERROR(!context->isValidImage(image), VG_BAD_HANDLE_ERROR, RI_NO_RETVAL); //invalid image handle
context->m_imageManager->removeResource((Image*)image);
RI_RETURN(RI_NO_RETVAL);
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
void RI_APIENTRY vgClearImage(VGImage image, VGint x, VGint y, VGint width, VGint height)
{
RI_GET_CONTEXT(RI_NO_RETVAL);
RI_IF_ERROR(!context->isValidImage(image), VG_BAD_HANDLE_ERROR, RI_NO_RETVAL);
Image* img = (Image*)image;
RI_IF_ERROR(eglvgIsInUse(img), VG_IMAGE_IN_USE_ERROR, RI_NO_RETVAL);
RI_IF_ERROR(width <= 0 || height <= 0, VG_ILLEGAL_ARGUMENT_ERROR, RI_NO_RETVAL);
eglvgLockSurface(0, 1);
img->clear(context->m_clearColor, x, y, width, height);
eglvgUnlockSurface();
RI_RETURN(RI_NO_RETVAL);
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
void RI_APIENTRY vgImageSubData(VGImage image, const void * data, VGint dataStride, VGImageFormat dataFormat, VGint x, VGint y, VGint width, VGint height)
{
RI_GET_CONTEXT(RI_NO_RETVAL);
RI_IF_ERROR(!context->isValidImage(image), VG_BAD_HANDLE_ERROR, RI_NO_RETVAL);
Image* img = (Image*)image;
RI_IF_ERROR(eglvgIsInUse(img), VG_IMAGE_IN_USE_ERROR, RI_NO_RETVAL);
RI_IF_ERROR(!isValidImageFormat(dataFormat), VG_UNSUPPORTED_IMAGE_FORMAT_ERROR, RI_NO_RETVAL);
RI_IF_ERROR(!data || !isAligned(data, dataFormat) || width <= 0 || height <= 0, VG_ILLEGAL_ARGUMENT_ERROR, RI_NO_RETVAL);
{
Image input(Color::formatToDescriptor(dataFormat), width, height, dataStride, const_cast<RIuint8*>((const RIuint8*)data));
input.addReference();
try
{
img->blit(context, &input, 0, 0, x, y, width, height); //throws bad_alloc
}
catch(std::bad_alloc)
{
}
input.removeReference();
}
RI_RETURN(RI_NO_RETVAL);
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
void RI_APIENTRY vgGetImageSubData(VGImage image, void * data, VGint dataStride, VGImageFormat dataFormat, VGint x, VGint y, VGint width, VGint height)
{
RI_GET_CONTEXT(RI_NO_RETVAL);
RI_IF_ERROR(!context->isValidImage(image), VG_BAD_HANDLE_ERROR, RI_NO_RETVAL);
Image* img = (Image*)image;
RI_IF_ERROR(eglvgIsInUse(img), VG_IMAGE_IN_USE_ERROR, RI_NO_RETVAL);
RI_IF_ERROR(!isValidImageFormat(dataFormat), VG_UNSUPPORTED_IMAGE_FORMAT_ERROR, RI_NO_RETVAL);
RI_IF_ERROR(!data || !isAligned(data, dataFormat) || width <= 0 || height <= 0, VG_ILLEGAL_ARGUMENT_ERROR, RI_NO_RETVAL);
{
Image output(Color::formatToDescriptor(dataFormat), width, height, dataStride, (RIuint8*)data);
output.addReference();
try
{
output.blit(context, img, x, y, 0, 0, width, height); //throws bad_alloc
}
catch(std::bad_alloc)
{
}
output.removeReference();
}
RI_RETURN(RI_NO_RETVAL);
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
VGImage RI_APIENTRY vgChildImage(VGImage parent, VGint x, VGint y, VGint width, VGint height)
{
RI_GET_CONTEXT(VG_INVALID_HANDLE);
RI_IF_ERROR(!context->isValidImage(parent), VG_BAD_HANDLE_ERROR, VG_INVALID_HANDLE);
Image* p = (Image*)parent;
RI_IF_ERROR(eglvgIsInUse((Image*)parent), VG_IMAGE_IN_USE_ERROR, VG_INVALID_HANDLE);
RI_IF_ERROR(x < 0 || x >= p->getWidth() || y < 0 || y >= p->getHeight() ||
width <= 0 || height <= 0 || RI_INT_ADDSATURATE(x, width) > p->getWidth() || RI_INT_ADDSATURATE(y, height) > p->getHeight(), VG_ILLEGAL_ARGUMENT_ERROR, VG_INVALID_HANDLE);
Image* child = NULL;
try
{
child = RI_NEW(Image, (p, x, y, width, height)); //throws bad_alloc
RI_ASSERT(child);
context->m_imageManager->addResource(child, context); //throws bad_alloc
RI_RETURN((VGImage)child);
}
catch(std::bad_alloc)
{
RI_DELETE(child);
context->setError(VG_OUT_OF_MEMORY_ERROR);
RI_RETURN(VG_INVALID_HANDLE);
}
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
VGImage RI_APIENTRY vgGetParent(VGImage image)
{
RI_GET_CONTEXT(VG_INVALID_HANDLE);
RI_IF_ERROR(!context->isValidImage(image), VG_BAD_HANDLE_ERROR, VG_INVALID_HANDLE);
VGImage ret = image; //if image has no ancestors, image is returned.
//The vgGetParent function returns the closest valid ancestor (i.e., one that has not been the target of a vgDestroyImage call)
// of the given image.
Image* im = ((Image*)image)->getParent();
for(;im;im = im->getParent())
{
if(context->isValidImage((VGImage)im))
{ //the parent is valid and alive
ret = (VGImage)im;
break;
}
}
RI_RETURN(ret);
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
void RI_APIENTRY vgCopyImage(VGImage dst, VGint dx, VGint dy, VGImage src, VGint sx, VGint sy, VGint width, VGint height, VGboolean dither)
{
RI_GET_CONTEXT(RI_NO_RETVAL);
RI_IF_ERROR(!context->isValidImage(dst) || !context->isValidImage(src), VG_BAD_HANDLE_ERROR, RI_NO_RETVAL);
RI_IF_ERROR(eglvgIsInUse((Image*)dst) || eglvgIsInUse((Image*)src), VG_IMAGE_IN_USE_ERROR, RI_NO_RETVAL);
RI_IF_ERROR(width <= 0 || height <= 0, VG_ILLEGAL_ARGUMENT_ERROR, RI_NO_RETVAL);
try
{
((Image*)dst)->blit(context, (Image*)src, sx, sy, dx, dy, width, height, NULL, dither ? true : false); //throws bad_alloc
}
catch(std::bad_alloc)
{
}
RI_RETURN(RI_NO_RETVAL);
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
static bool drawImage(VGContext* context, VGImage image, const Matrix3x3& userToSurfaceMatrix)
{
Drawable* drawable = context->getCurrentDrawable();
if(!drawable)
return false; //no EGL surface is current at the moment
Image* img = (Image*)image;
//transform image corners into the surface space
Vector3 p0(0, 0, 1);
Vector3 p1(0, (RIfloat)img->getHeight(), 1);
Vector3 p2((RIfloat)img->getWidth(), (RIfloat)img->getHeight(), 1);
Vector3 p3((RIfloat)img->getWidth(), 0, 1);
p0 = userToSurfaceMatrix * p0;
p1 = userToSurfaceMatrix * p1;
p2 = userToSurfaceMatrix * p2;
p3 = userToSurfaceMatrix * p3;
if(p0.z <= 0.0f || p1.z <= 0.0f || p2.z <= 0.0f || p3.z <= 0.0f)
return false;
//projection
p0 *= 1.0f/p0.z;
p1 *= 1.0f/p1.z;
p2 *= 1.0f/p2.z;
p3 *= 1.0f/p3.z;
Rasterizer& rasterizer = context->m_rasterizer;
rasterizer.clear();
rasterizer.setScissoring(context->m_scissoring ? true : false);
if(context->m_scissoring)
rasterizer.setScissor(context->m_scissor); //throws bad_alloc
PixelPipe& pixelPipe = context->m_pixelPipe;
pixelPipe.setTileFillColor(context->m_tileFillColor);
pixelPipe.setPaint((Paint*)context->m_fillPaint);
pixelPipe.setImageQuality(context->m_imageQuality);
pixelPipe.setBlendMode(context->m_blendMode);
pixelPipe.setRenderToMask(false);
pixelPipe.setDrawable(drawable);
pixelPipe.setMask(context->m_masking ? true : false);
pixelPipe.setColorTransform(context->m_colorTransform ? true : false, context->m_colorTransformValues);
const bool aa = context->m_renderingQuality == VG_RENDERING_QUALITY_NONANTIALIASED ? false : true;
rasterizer.setAntiAliasing(aa);
Matrix3x3 surfaceToImageMatrix = userToSurfaceMatrix;
Matrix3x3 surfaceToPaintMatrix = userToSurfaceMatrix * context->m_fillPaintToUser;
if(surfaceToImageMatrix.invert() && surfaceToPaintMatrix.invert())
{
VGImageMode imode = context->m_imageMode;
if(!surfaceToPaintMatrix.isAffine())
imode = VG_DRAW_IMAGE_NORMAL; //if paint matrix is not affine, always use normal image mode
surfaceToPaintMatrix[2].set(0,0,1); //force affine
pixelPipe.setImage(img, imode);
pixelPipe.setSurfaceToPaintMatrix(surfaceToPaintMatrix);
pixelPipe.setSurfaceToImageMatrix(surfaceToImageMatrix);
pixelPipe.prepareSpanUniforms(aa);
rasterizer.setup(0, 0, drawable->getWidth(), drawable->getHeight(), VG_EVEN_ODD, &pixelPipe);
rasterizer.addEdge(Vector2(p0.x,p0.y), Vector2(p1.x,p1.y)); //throws bad_alloc
rasterizer.addEdge(Vector2(p1.x,p1.y), Vector2(p2.x,p2.y)); //throws bad_alloc
rasterizer.addEdge(Vector2(p2.x,p2.y), Vector2(p3.x,p3.y)); //throws bad_alloc
rasterizer.addEdge(Vector2(p3.x,p3.y), Vector2(p0.x,p0.y)); //throws bad_alloc
rasterizer.fill(); //throws bad_alloc
}
return true;
}
void RI_APIENTRY vgDrawImage(VGImage image)
{
RI_GET_CONTEXT(RI_NO_RETVAL);
RI_IF_ERROR(!context->isValidImage(image), VG_BAD_HANDLE_ERROR, RI_NO_RETVAL);
Image* img = (Image*)image;
RI_IF_ERROR(eglvgIsInUse(img), VG_IMAGE_IN_USE_ERROR, RI_NO_RETVAL);
try
{
if(!drawImage(context, image, context->m_imageUserToSurface))
{
RI_RETURN(RI_NO_RETVAL);
}
}
catch(std::bad_alloc)
{
context->setError(VG_OUT_OF_MEMORY_ERROR);
}
RI_RETURN(RI_NO_RETVAL);
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
void RI_APIENTRY vgSetPixels(VGint dx, VGint dy, VGImage src, VGint sx, VGint sy, VGint width, VGint height)
{
RI_GET_CONTEXT(RI_NO_RETVAL);
RI_IF_ERROR(!context->isValidImage(src), VG_BAD_HANDLE_ERROR, RI_NO_RETVAL);
RI_IF_ERROR(eglvgIsInUse((Image*)src), VG_IMAGE_IN_USE_ERROR, RI_NO_RETVAL);
RI_IF_ERROR(width <= 0 || height <= 0, VG_ILLEGAL_ARGUMENT_ERROR, RI_NO_RETVAL);
Drawable* drawable = context->getCurrentDrawable();
Array<OpenVGRI::Rectangle>* scissors = !context->m_scissoring ? NULL : &context->m_scissor;
if(!drawable)
{
RI_RETURN(RI_NO_RETVAL); //no EGL surface is current at the moment
}
try
{
drawable->getColorBuffer()->m_image->blit(context, (Image*)src, sx, sy, dx, dy, width, height, scissors, false); //throws bad_alloc
//drawable->getColorBuffer()->blit(*(Image*)src, sx, sy, dx, dy, width, height); //throws bad_alloc
}
catch(std::bad_alloc)
{
}
RI_RETURN(RI_NO_RETVAL);
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
void RI_APIENTRY vgWritePixels(const void * data, VGint dataStride, VGImageFormat dataFormat, VGint dx, VGint dy, VGint width, VGint height)
{
RI_GET_CONTEXT(RI_NO_RETVAL);
RI_IF_ERROR(!isValidImageFormat(dataFormat), VG_UNSUPPORTED_IMAGE_FORMAT_ERROR, RI_NO_RETVAL);
RI_IF_ERROR(!data || !isAligned(data, dataFormat) || width <= 0 || height <= 0, VG_ILLEGAL_ARGUMENT_ERROR, RI_NO_RETVAL);
Drawable* drawable = context->getCurrentDrawable();
if(!drawable)
{
RI_RETURN(RI_NO_RETVAL); //no EGL surface is current at the moment
}
{
Array<OpenVGRI::Rectangle>* scissors = !context->m_scissoring ? NULL : &context->m_scissor;
Image input(Color::formatToDescriptor(dataFormat), width, height, dataStride, const_cast<RIuint8*>((const RIuint8*)data));
input.addReference();
try
{
drawable->getColorBuffer()->m_image->blit(context, &input, 0, 0, dx, dy, width, height, scissors, false); //throws bad_alloc
}
catch(std::bad_alloc)
{
// TEROP: out-of-mem?
}
input.removeReference();
}
RI_RETURN(RI_NO_RETVAL);
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
void RI_APIENTRY vgGetPixels(VGImage dst, VGint dx, VGint dy, VGint sx, VGint sy, VGint width, VGint height)
{
RI_GET_CONTEXT(RI_NO_RETVAL);
RI_IF_ERROR(!context->isValidImage(dst), VG_BAD_HANDLE_ERROR, RI_NO_RETVAL);
RI_IF_ERROR(eglvgIsInUse((Image*)dst), VG_IMAGE_IN_USE_ERROR, RI_NO_RETVAL);
RI_IF_ERROR(width <= 0 || height <= 0, VG_ILLEGAL_ARGUMENT_ERROR, RI_NO_RETVAL);
Drawable* drawable = context->getCurrentDrawable();
if(!drawable)
{
RI_RETURN(RI_NO_RETVAL); //no EGL surface is current at the moment
}
try
{
((Image*)dst)->blit(context, drawable->getColorBuffer()->m_image, sx, sy, dx, dy, width, height); //throws bad_alloc
}
catch(std::bad_alloc)
{
}
RI_RETURN(RI_NO_RETVAL);
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
void RI_APIENTRY vgReadPixels(void* data, VGint dataStride, VGImageFormat dataFormat, VGint sx, VGint sy, VGint width, VGint height)
{
RI_GET_CONTEXT(RI_NO_RETVAL);
RI_IF_ERROR(!isValidImageFormat(dataFormat), VG_UNSUPPORTED_IMAGE_FORMAT_ERROR, RI_NO_RETVAL);
RI_IF_ERROR(!data || !isAligned(data, dataFormat) || width <= 0 || height <= 0, VG_ILLEGAL_ARGUMENT_ERROR, RI_NO_RETVAL);
Drawable* drawable = context->getCurrentDrawable();
if(!drawable)
{
RI_RETURN(RI_NO_RETVAL); //no EGL surface is current at the moment
}
{
Image output(Color::formatToDescriptor(dataFormat), width, height, dataStride, (RIuint8*)data);
output.addReference();
try
{
output.blit(context, drawable->getColorBuffer()->m_image, sx, sy, 0, 0, width, height); //throws bad_alloc
}
catch(std::bad_alloc)
{
}
output.removeReference();
}
RI_RETURN(RI_NO_RETVAL);
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
void RI_APIENTRY vgCopyPixels(VGint dx, VGint dy, VGint sx, VGint sy, VGint width, VGint height)
{
RI_GET_CONTEXT(RI_NO_RETVAL);
RI_IF_ERROR(width <= 0 || height <= 0, VG_ILLEGAL_ARGUMENT_ERROR, RI_NO_RETVAL);
Drawable* drawable = context->getCurrentDrawable();
Array<OpenVGRI::Rectangle>* scissors = !context->m_scissoring ? NULL : &context->m_scissor;
if(!drawable)
{
RI_RETURN(RI_NO_RETVAL); //no EGL surface is current at the moment
}
try
{
drawable->getColorBuffer()->m_image->blit(context, drawable->getColorBuffer()->m_image, sx, sy, dx, dy, width, height, scissors, false); //throws bad_alloc
//drawable->getColorBuffer()->blit(drawable->getColorBuffer(), sx, sy, dx, dy, width, height); //throws bad_alloc
}
catch(std::bad_alloc)
{
}
RI_RETURN(RI_NO_RETVAL);
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
void RI_APIENTRY vgColorMatrix(VGImage dst, VGImage src, const VGfloat * matrix)
{
RI_GET_CONTEXT(RI_NO_RETVAL);
RI_IF_ERROR(!context->isValidImage(dst) || !context->isValidImage(src), VG_BAD_HANDLE_ERROR, RI_NO_RETVAL);
Image* d = (Image*)dst;
Image* s = (Image*)src;
RI_IF_ERROR(eglvgIsInUse(d) || eglvgIsInUse(s), VG_IMAGE_IN_USE_ERROR, RI_NO_RETVAL);
RI_IF_ERROR(d->overlaps(s), VG_ILLEGAL_ARGUMENT_ERROR, RI_NO_RETVAL);
RI_IF_ERROR(!matrix || !isAligned(matrix,4), VG_ILLEGAL_ARGUMENT_ERROR, RI_NO_RETVAL);
unsigned int channelMask = context->m_filterChannelMask & (VG_RED|VG_GREEN|VG_BLUE|VG_ALPHA); //undefined bits are ignored
RIfloat m[20];
for(int i=0;i<20;i++)
{
m[i] = inputFloat(matrix[i]);
}
try
{
d->colorMatrix(*s, m, context->m_filterFormatLinear ? true : false, context->m_filterFormatPremultiplied ? true : false, channelMask);
}
catch(std::bad_alloc)
{
}
RI_RETURN(RI_NO_RETVAL);
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
void RI_APIENTRY vgConvolve(VGImage dst, VGImage src, VGint kernelWidth, VGint kernelHeight, VGint shiftX, VGint shiftY, const VGshort * kernel, VGfloat scale, VGfloat bias, VGTilingMode tilingMode)
{
RI_GET_CONTEXT(RI_NO_RETVAL);
RI_IF_ERROR(!context->isValidImage(dst) || !context->isValidImage(src), VG_BAD_HANDLE_ERROR, RI_NO_RETVAL);
Image* d = (Image*)dst;
Image* s = (Image*)src;
RI_IF_ERROR(eglvgIsInUse(d) || eglvgIsInUse(s), VG_IMAGE_IN_USE_ERROR, RI_NO_RETVAL);
RI_IF_ERROR(d->overlaps(s), VG_ILLEGAL_ARGUMENT_ERROR, RI_NO_RETVAL);
RI_IF_ERROR(!kernel || !isAligned(kernel,2) || kernelWidth <= 0 || kernelHeight <= 0 || kernelWidth > RI_MAX_KERNEL_SIZE || kernelHeight > RI_MAX_KERNEL_SIZE, VG_ILLEGAL_ARGUMENT_ERROR, RI_NO_RETVAL);
RI_IF_ERROR(tilingMode < VG_TILE_FILL || tilingMode > VG_TILE_REFLECT, VG_ILLEGAL_ARGUMENT_ERROR, RI_NO_RETVAL);
unsigned int channelMask = context->m_filterChannelMask & (VG_RED|VG_GREEN|VG_BLUE|VG_ALPHA); //undefined bits are ignored
try
{
d->convolve(*s, kernelWidth, kernelHeight, shiftX, shiftY, (const RIint16*)kernel, inputFloat(scale), inputFloat(bias), tilingMode, context->m_tileFillColor, context->m_filterFormatLinear ? true : false, context->m_filterFormatPremultiplied ? true : false, channelMask);
}
catch(std::bad_alloc)
{
}
RI_RETURN(RI_NO_RETVAL);
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
void RI_APIENTRY 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)
{
RI_GET_CONTEXT(RI_NO_RETVAL);
RI_IF_ERROR(!context->isValidImage(dst) || !context->isValidImage(src), VG_BAD_HANDLE_ERROR, RI_NO_RETVAL);
Image* d = (Image*)dst;
Image* s = (Image*)src;
RI_IF_ERROR(eglvgIsInUse(d) || eglvgIsInUse(s), VG_IMAGE_IN_USE_ERROR, RI_NO_RETVAL);
RI_IF_ERROR(d->overlaps(s), VG_ILLEGAL_ARGUMENT_ERROR, RI_NO_RETVAL);
RI_IF_ERROR(!kernelX || !kernelY || !isAligned(kernelX,2) || !isAligned(kernelY,2) || kernelWidth <= 0 || kernelHeight <= 0 || kernelWidth > RI_MAX_SEPARABLE_KERNEL_SIZE || kernelHeight > RI_MAX_SEPARABLE_KERNEL_SIZE, VG_ILLEGAL_ARGUMENT_ERROR, RI_NO_RETVAL);
RI_IF_ERROR(tilingMode < VG_TILE_FILL || tilingMode > VG_TILE_REFLECT, VG_ILLEGAL_ARGUMENT_ERROR, RI_NO_RETVAL);
unsigned int channelMask = context->m_filterChannelMask & (VG_RED|VG_GREEN|VG_BLUE|VG_ALPHA); //undefined bits are ignored
try
{
d->separableConvolve(*s, kernelWidth, kernelHeight, shiftX, shiftY, (const RIint16*)kernelX, (const RIint16*)kernelY,
inputFloat(scale), inputFloat(bias), tilingMode, context->m_tileFillColor, context->m_filterFormatLinear ? true : false,
context->m_filterFormatPremultiplied ? true : false, channelMask);
}
catch(std::bad_alloc)
{
}
RI_RETURN(RI_NO_RETVAL);
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
void RI_APIENTRY vgGaussianBlur(VGImage dst, VGImage src, VGfloat stdDeviationX, VGfloat stdDeviationY, VGTilingMode tilingMode)
{
RI_GET_CONTEXT(RI_NO_RETVAL);
RI_IF_ERROR(!context->isValidImage(dst) || !context->isValidImage(src), VG_BAD_HANDLE_ERROR, RI_NO_RETVAL);
Image* d = (Image*)dst;
Image* s = (Image*)src;
RI_IF_ERROR(eglvgIsInUse(d) || eglvgIsInUse(s), VG_IMAGE_IN_USE_ERROR, RI_NO_RETVAL);
RI_IF_ERROR(d->overlaps(s), VG_ILLEGAL_ARGUMENT_ERROR, RI_NO_RETVAL);
RIfloat sx = inputFloat(stdDeviationX);
RIfloat sy = inputFloat(stdDeviationY);
RI_IF_ERROR(sx <= 0.0f || sy <= 0.0f || sx > (RIfloat)RI_MAX_GAUSSIAN_STD_DEVIATION || sy > (RIfloat)RI_MAX_GAUSSIAN_STD_DEVIATION, VG_ILLEGAL_ARGUMENT_ERROR, RI_NO_RETVAL);
RI_IF_ERROR(tilingMode < VG_TILE_FILL || tilingMode > VG_TILE_REFLECT, VG_ILLEGAL_ARGUMENT_ERROR, RI_NO_RETVAL);
unsigned int channelMask = context->m_filterChannelMask & (VG_RED|VG_GREEN|VG_BLUE|VG_ALPHA); //undefined bits are ignored
try
{
d->gaussianBlur(*s, sx, sy, tilingMode, context->m_tileFillColor, context->m_filterFormatLinear ? true : false,
context->m_filterFormatPremultiplied ? true : false, channelMask);
}
catch(std::bad_alloc)
{
}
RI_RETURN(RI_NO_RETVAL);
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
void RI_APIENTRY vgLookup(VGImage dst, VGImage src, const VGubyte * redLUT, const VGubyte * greenLUT, const VGubyte * blueLUT, const VGubyte * alphaLUT, VGboolean outputLinear, VGboolean outputPremultiplied)
{
RI_GET_CONTEXT(RI_NO_RETVAL);
RI_IF_ERROR(!context->isValidImage(dst) || !context->isValidImage(src), VG_BAD_HANDLE_ERROR, RI_NO_RETVAL);
Image* d = (Image*)dst;
Image* s = (Image*)src;
RI_IF_ERROR(eglvgIsInUse(d) || eglvgIsInUse(s), VG_IMAGE_IN_USE_ERROR, RI_NO_RETVAL);
RI_IF_ERROR(d->overlaps(s), VG_ILLEGAL_ARGUMENT_ERROR, RI_NO_RETVAL);
RI_IF_ERROR(!redLUT || !greenLUT || !blueLUT || !alphaLUT, VG_ILLEGAL_ARGUMENT_ERROR, RI_NO_RETVAL);
unsigned int channelMask = context->m_filterChannelMask & (VG_RED|VG_GREEN|VG_BLUE|VG_ALPHA); //undefined bits are ignored
try
{
d->lookup(*s, (const RIuint8*)redLUT, (const RIuint8*)greenLUT, (const RIuint8*)blueLUT, (const RIuint8*)alphaLUT,
outputLinear ? true : false, outputPremultiplied ? true : false, context->m_filterFormatLinear ? true : false,
context->m_filterFormatPremultiplied ? true : false, channelMask);
}
catch(std::bad_alloc)
{
}
RI_RETURN(RI_NO_RETVAL);
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
void RI_APIENTRY vgLookupSingle(VGImage dst, VGImage src, const VGuint * lookupTable, VGImageChannel sourceChannel, VGboolean outputLinear, VGboolean outputPremultiplied)
{
RI_GET_CONTEXT(RI_NO_RETVAL);
RI_IF_ERROR(!context->isValidImage(dst) || !context->isValidImage(src), VG_BAD_HANDLE_ERROR, RI_NO_RETVAL);
Image* d = (Image*)dst;
Image* s = (Image*)src;
RI_IF_ERROR(eglvgIsInUse(d) || eglvgIsInUse(s), VG_IMAGE_IN_USE_ERROR, RI_NO_RETVAL);
RI_IF_ERROR(d->overlaps(s), VG_ILLEGAL_ARGUMENT_ERROR, RI_NO_RETVAL);
RI_IF_ERROR(!lookupTable || !isAligned(lookupTable,4), VG_ILLEGAL_ARGUMENT_ERROR, RI_NO_RETVAL);
const Color::Descriptor& desc = s->getDescriptor();
RI_ASSERT(Color::isValidDescriptor(desc));
//give an error if src is in rgb format and the source channel is not valid
RI_IF_ERROR((!desc.isLuminance() && !desc.isAlphaOnly()) && (sourceChannel != VG_RED && sourceChannel != VG_GREEN && sourceChannel != VG_BLUE && sourceChannel != VG_ALPHA), VG_ILLEGAL_ARGUMENT_ERROR, RI_NO_RETVAL);
unsigned int channelMask = context->m_filterChannelMask & (VG_RED|VG_GREEN|VG_BLUE|VG_ALPHA); //undefined bits are ignored
try
{
d->lookupSingle(*s, (const RIuint32*)lookupTable, sourceChannel, outputLinear ? true : false, outputPremultiplied ? true : false,
context->m_filterFormatLinear ? true : false, context->m_filterFormatPremultiplied ? true : false, channelMask);
}
catch(std::bad_alloc)
{
}
RI_RETURN(RI_NO_RETVAL);
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
VGHardwareQueryResult RI_APIENTRY vgHardwareQuery(VGHardwareQueryType key, VGint setting)
{
RI_GET_CONTEXT(VG_HARDWARE_UNACCELERATED);
RI_IF_ERROR(key != VG_IMAGE_FORMAT_QUERY && key != VG_PATH_DATATYPE_QUERY, VG_ILLEGAL_ARGUMENT_ERROR, VG_HARDWARE_UNACCELERATED);
RI_IF_ERROR(key == VG_IMAGE_FORMAT_QUERY && !isValidImageFormat(setting), VG_ILLEGAL_ARGUMENT_ERROR, VG_HARDWARE_UNACCELERATED);
RI_IF_ERROR(key == VG_PATH_DATATYPE_QUERY && (setting < VG_PATH_DATATYPE_S_8 || setting > VG_PATH_DATATYPE_F), VG_ILLEGAL_ARGUMENT_ERROR, VG_HARDWARE_UNACCELERATED);
RI_RETURN(VG_HARDWARE_UNACCELERATED);
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
const VGubyte * RI_APIENTRY vgGetString(VGStringID name)
{
static const VGubyte vendor[] = "Nokia";
static const VGubyte renderer[] = {"OpenVG 1.1 Faster Reference Implementation May 13 2008"};
static const VGubyte version[] = "1.1";
static const VGubyte extensions[] = "";
const VGubyte* r = NULL;
RI_GET_CONTEXT(NULL);
switch(name)
{
case VG_VENDOR:
r = vendor;
break;
case VG_RENDERER:
r = renderer;
break;
case VG_VERSION:
r = version;
break;
case VG_EXTENSIONS:
r = extensions;
break;
default:
break;
}
RI_RETURN(r);
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
VGFont RI_APIENTRY vgCreateFont(VGint glyphCapacityHint)
{
RI_GET_CONTEXT(VG_INVALID_HANDLE);
RI_IF_ERROR(glyphCapacityHint < 0, VG_ILLEGAL_ARGUMENT_ERROR, VG_INVALID_HANDLE);
Font* font = NULL;
try
{
font = RI_NEW(Font, (glyphCapacityHint)); //throws bad_alloc
RI_ASSERT(font);
context->m_fontManager->addResource(font, context); //throws bad_alloc
RI_RETURN((VGFont)font);
}
catch(std::bad_alloc)
{
RI_DELETE(font);
context->setError(VG_OUT_OF_MEMORY_ERROR);
RI_RETURN(VG_INVALID_HANDLE);
}
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
void RI_APIENTRY vgDestroyFont(VGFont font)
{
RI_GET_CONTEXT(RI_NO_RETVAL);
RI_IF_ERROR(!context->isValidFont(font), VG_BAD_HANDLE_ERROR, RI_NO_RETVAL); //invalid font handle
context->m_fontManager->removeResource((Font*)font);
RI_RETURN(RI_NO_RETVAL);
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
void RI_APIENTRY vgSetGlyphToPath(VGFont font, VGuint glyphIndex, VGPath path, VGboolean isHinted, const VGfloat glyphOrigin[2], const VGfloat escapement[2])
{
RI_GET_CONTEXT(RI_NO_RETVAL);
RI_IF_ERROR(!context->isValidFont(font), VG_BAD_HANDLE_ERROR, RI_NO_RETVAL); //invalid font handle
RI_IF_ERROR(path != VG_INVALID_HANDLE && !context->isValidPath(path), VG_BAD_HANDLE_ERROR, RI_NO_RETVAL); //invalid path handle
RI_IF_ERROR(!glyphOrigin || !escapement || !isAligned(glyphOrigin,sizeof(VGfloat)) || !isAligned(escapement,sizeof(VGfloat)), VG_ILLEGAL_ARGUMENT_ERROR, RI_NO_RETVAL);
Font* f = (Font*)font;
try
{
f->setGlyphToPath(glyphIndex, path, isHinted ? true : false, Vector2(inputFloat(glyphOrigin[0]), inputFloat(glyphOrigin[1])), Vector2(inputFloat(escapement[0]), inputFloat(escapement[1])));
}
catch(std::bad_alloc)
{
context->setError(VG_OUT_OF_MEMORY_ERROR);
}
RI_RETURN(RI_NO_RETVAL);
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
void RI_APIENTRY vgSetGlyphToImage(VGFont font, VGuint glyphIndex, VGImage image, const VGfloat glyphOrigin[2], const VGfloat escapement[2])
{
RI_GET_CONTEXT(RI_NO_RETVAL);
RI_IF_ERROR(!context->isValidFont(font), VG_BAD_HANDLE_ERROR, RI_NO_RETVAL); //invalid font handle
if(image != VG_INVALID_HANDLE)
{
RI_IF_ERROR(!context->isValidImage(image), VG_BAD_HANDLE_ERROR, RI_NO_RETVAL); //invalid image handle
RI_IF_ERROR(eglvgIsInUse((Image*)image), VG_IMAGE_IN_USE_ERROR, RI_NO_RETVAL); //image in use
}
RI_IF_ERROR(!glyphOrigin || !escapement || !isAligned(glyphOrigin,sizeof(VGfloat)) || !isAligned(escapement,sizeof(VGfloat)), VG_ILLEGAL_ARGUMENT_ERROR, RI_NO_RETVAL);
Font* f = (Font*)font;
try
{
f->setGlyphToImage(glyphIndex, image, Vector2(inputFloat(glyphOrigin[0]), inputFloat(glyphOrigin[1])), Vector2(inputFloat(escapement[0]), inputFloat(escapement[1])));
}
catch(std::bad_alloc)
{
context->setError(VG_OUT_OF_MEMORY_ERROR);
}
RI_RETURN(RI_NO_RETVAL);
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
void RI_APIENTRY vgClearGlyph(VGFont font, VGuint glyphIndex)
{
RI_GET_CONTEXT(RI_NO_RETVAL);
RI_IF_ERROR(!context->isValidFont(font), VG_BAD_HANDLE_ERROR, RI_NO_RETVAL); //invalid font handle
Font* f = (Font*)font;
Font::Glyph* g = f->findGlyph(glyphIndex);
RI_IF_ERROR(!g, VG_ILLEGAL_ARGUMENT_ERROR, RI_NO_RETVAL); //glyphIndex not defined
f->clearGlyph(g);
RI_RETURN(RI_NO_RETVAL);
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
void RI_APIENTRY vgDrawGlyph(VGFont font, VGuint glyphIndex, VGbitfield paintModes, VGboolean allowAutoHinting)
{
RI_GET_CONTEXT(RI_NO_RETVAL);
RI_IF_ERROR(!context->isValidFont(font), VG_BAD_HANDLE_ERROR, RI_NO_RETVAL); //invalid font handle
RI_IF_ERROR(paintModes & ~(VG_FILL_PATH | VG_STROKE_PATH), VG_ILLEGAL_ARGUMENT_ERROR, RI_NO_RETVAL); //invalid paint mode
Font* f = (Font*)font;
Font::Glyph* g = f->findGlyph(glyphIndex);
RI_IF_ERROR(!g, VG_ILLEGAL_ARGUMENT_ERROR, RI_NO_RETVAL); //glyphIndex not defined
RI_UNREF(allowAutoHinting); //RI doesn't implement autohinting
try
{
if(paintModes)
{
Matrix3x3 userToSurfaceMatrix = context->m_glyphUserToSurface;
Vector2 t = context->m_glyphOrigin - g->m_origin;
Matrix3x3 n(1, 0, t.x,
0, 1, t.y,
0, 0, 1 );
userToSurfaceMatrix *= n;
userToSurfaceMatrix[2].set(0,0,1); //force affinity
bool ret = true;
eglvgLockSurface(0, 1);
if(g->m_image != VG_INVALID_HANDLE)
ret = drawImage(context, g->m_image, userToSurfaceMatrix);
else if(g->m_path != VG_INVALID_HANDLE)
ret = drawPath(context, g->m_path, userToSurfaceMatrix, paintModes);
eglvgUnlockSurface();
if(!ret)
{
RI_RETURN(RI_NO_RETVAL);
}
}
context->m_glyphOrigin += g->m_escapement;
context->m_inputGlyphOrigin = context->m_glyphOrigin;
}
catch(std::bad_alloc)
{
context->setError(VG_OUT_OF_MEMORY_ERROR);
}
RI_RETURN(RI_NO_RETVAL);
}
/*-------------------------------------------------------------------*//*!
* \brief
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
void RI_APIENTRY vgDrawGlyphs(VGFont font, VGint glyphCount, const VGuint *glyphIndices, const VGfloat *adjustments_x, const VGfloat *adjustments_y, VGbitfield paintModes, VGboolean allowAutoHinting)
{
RI_GET_CONTEXT(RI_NO_RETVAL);
RI_IF_ERROR(!context->isValidFont(font), VG_BAD_HANDLE_ERROR, RI_NO_RETVAL); //invalid font handle
RI_IF_ERROR(!glyphIndices || !isAligned(glyphIndices, sizeof(VGuint)) || glyphCount <= 0, VG_ILLEGAL_ARGUMENT_ERROR, RI_NO_RETVAL);
RI_IF_ERROR((adjustments_x && !isAligned(adjustments_x, sizeof(VGfloat))) || (adjustments_y && !isAligned(adjustments_y, sizeof(VGfloat))), VG_ILLEGAL_ARGUMENT_ERROR, RI_NO_RETVAL);
RI_IF_ERROR(paintModes & ~(VG_FILL_PATH | VG_STROKE_PATH), VG_ILLEGAL_ARGUMENT_ERROR, RI_NO_RETVAL); //invalid paint mode
Font* f = (Font*)font;
for(int i=0;i<glyphCount;i++)
{
Font::Glyph* g = f->findGlyph(glyphIndices[i]);
RI_IF_ERROR(!g, VG_ILLEGAL_ARGUMENT_ERROR, RI_NO_RETVAL); //glyphIndex not defined
}
RI_UNREF(allowAutoHinting); //RI doesn't implement autohinting
try
{
for(int i=0;i<glyphCount;i++)
{
Font::Glyph* g = f->findGlyph(glyphIndices[i]);
if(paintModes)
{
Matrix3x3 userToSurfaceMatrix = context->m_glyphUserToSurface;
Vector2 t = context->m_glyphOrigin - g->m_origin;
Matrix3x3 n(1, 0, t.x,
0, 1, t.y,
0, 0, 1 );
userToSurfaceMatrix *= n;
userToSurfaceMatrix[2].set(0,0,1); //force affinity
bool ret = true;
if(g->m_image != VG_INVALID_HANDLE)
ret = drawImage(context, g->m_image, userToSurfaceMatrix);
else if(g->m_path != VG_INVALID_HANDLE)
ret = drawPath(context, g->m_path, userToSurfaceMatrix, paintModes);
if(!ret)
{
RI_RETURN(RI_NO_RETVAL);
}
}
context->m_glyphOrigin += g->m_escapement;
if(adjustments_x)
context->m_glyphOrigin.x += inputFloat(adjustments_x[i]);
if(adjustments_y)
context->m_glyphOrigin.y += inputFloat(adjustments_y[i]);
context->m_inputGlyphOrigin = context->m_glyphOrigin;
}
}
catch(std::bad_alloc)
{
context->setError(VG_OUT_OF_MEMORY_ERROR);
}
RI_RETURN(RI_NO_RETVAL);
}
VGint vgePathCoordsSizeInBytes(VGPath path, VGint startIndex, VGint numSegments)
{
RI_GET_CONTEXT( 0 );
RI_IF_ERROR(!context->isValidPath(path), VG_BAD_HANDLE_ERROR, 0);
VGint ret = ((OpenVGRI::Path*)path)->coordsSizeInBytes( startIndex, numSegments );
RI_RETURN(ret);
}
VGImage vgCreateEGLImageTargetKHR(VGeglImageKHR image)
{
#if defined(USE_FULL_EGL)
RI_GET_CONTEXT( 0 );
VGImage ret;
OpenVGRI::Color::Descriptor desc;
OpenVGRI::RIuint8* data;
// Get data for VGImage
int width;
int height;
int stride;
eglvgGetImageDescriptor( image, desc, width, height, stride );
// There is some error.
// EGLImage is null or EGLImage target is EGL_VG_PARENT_IMAGE_KHR.
RI_IF_ERROR(!width || !height || !stride, VG_ILLEGAL_ARGUMENT_ERROR, NULL);
// Data is created in EGLImage class.
data = (OpenVGRI::RIuint8*)eglvgGetImageData( image );
// Create VGImage
// allowedQuality = VG_IMAGE_QUALITY_NONANTIALIASED | VG_IMAGE_QUALITY_FASTER | VG_IMAGE_QUALITY_BETTER
ret = vgCreateImage( desc.vgFormat, width, height, VG_IMAGE_QUALITY_NONANTIALIASED );
// If VGImage is not created raise error and return null
RI_IF_ERROR(!ret, VG_UNSUPPORTED_IMAGE_FORMAT_ERROR, NULL);
// Set data for VGImage.
// This will copy that data-object.
vgImageSubData( ret,
data,
stride,
desc.vgFormat,
0,
0,
width,
height);
// Return VGImage
RI_RETURN(ret);
#else
(void)image;
return VG_INVALID_HANDLE;
#endif //USE_FULL_EGL
}