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/*
* Copyright 2013 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "GrPaint.h"
#include "GrProcOptInfo.h"
#include "effects/GrPorterDuffXferProcessor.h"
#include "effects/GrSimpleTextureEffect.h"
void GrPaint::addColorTextureProcessor(GrTexture* texture, const SkMatrix& matrix) {
this->addColorProcessor(GrSimpleTextureEffect::Create(texture, matrix))->unref();
}
void GrPaint::addCoverageTextureProcessor(GrTexture* texture, const SkMatrix& matrix) {
this->addCoverageProcessor(GrSimpleTextureEffect::Create(texture, matrix))->unref();
}
void GrPaint::addColorTextureProcessor(GrTexture* texture,
const SkMatrix& matrix,
const GrTextureParams& params) {
this->addColorProcessor(GrSimpleTextureEffect::Create(texture, matrix, params))->unref();
}
void GrPaint::addCoverageTextureProcessor(GrTexture* texture,
const SkMatrix& matrix,
const GrTextureParams& params) {
this->addCoverageProcessor(GrSimpleTextureEffect::Create(texture, matrix, params))->unref();
}
bool GrPaint::isOpaque() const {
return this->getOpaqueAndKnownColor(NULL, NULL);
}
bool GrPaint::isOpaqueAndConstantColor(GrColor* color) const {
GrColor tempColor = 0;
uint32_t colorComps = 0;
if (this->getOpaqueAndKnownColor(&tempColor, &colorComps)) {
if (kRGBA_GrColorComponentFlags == colorComps) {
*color = tempColor;
return true;
}
}
return false;
}
void GrPaint::resetStages() {
fColorStages.reset();
fCoverageStages.reset();
fXPFactory.reset(GrPorterDuffXPFactory::Create(SkXfermode::kSrc_Mode));
}
bool GrPaint::getOpaqueAndKnownColor(GrColor* solidColor,
uint32_t* solidColorKnownComponents) const {
GrProcOptInfo coverageProcInfo;
coverageProcInfo.calcWithInitialValues(fCoverageStages.begin(), this->numCoverageStages(),
0xFFFFFFFF, kRGBA_GrColorComponentFlags, true);
GrProcOptInfo colorProcInfo;
colorProcInfo.calcWithInitialValues(fColorStages.begin(), this->numColorStages(), fColor,
kRGBA_GrColorComponentFlags, false);
return fXPFactory->getOpaqueAndKnownColor(colorProcInfo, coverageProcInfo, solidColor,
solidColorKnownComponents);
}
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