C++ (Cpp) GrProcOptInfo::calcWithInitialValues示例

示例#1

文件： GrPaint.cpp 项目： nikolayvoronchikhin/skia

bool GrPaint::isConstantBlendedColor(GrColor* color) const {
    GrProcOptInfo colorProcInfo;
    colorProcInfo.calcWithInitialValues(fColorStages.begin(), this->numColorStages(), fColor,
                                        kRGBA_GrColorComponentFlags, false);

    GrXPFactory::InvariantBlendedColor blendedColor;
    fXPFactory->getInvariantBlendedColor(colorProcInfo, &blendedColor);

    if (kRGBA_GrColorComponentFlags == blendedColor.fKnownColorFlags) {
        *color = blendedColor.fKnownColor;
        return true;
    }
    return false;
}

示例#2

文件： GrPaint.cpp 项目： zwdsjl/skia

bool GrPaint::isConstantBlendedColor(GrColor* color) const {
    GrProcOptInfo colorProcInfo;
    colorProcInfo.calcWithInitialValues(fColorFragmentProcessors.begin(),
                                        this->numColorFragmentProcessors(), fColor,
                                        kRGBA_GrColorComponentFlags, false);

    GrXPFactory::InvariantBlendedColor blendedColor;
    if (fXPFactory) {
        fXPFactory->getInvariantBlendedColor(colorProcInfo, &blendedColor);
    } else {
        GrPorterDuffXPFactory::SrcOverInvariantBlendedColor(colorProcInfo.color(),
                                                            colorProcInfo.validFlags(),
                                                            colorProcInfo.isOpaque(),
                                                            &blendedColor); 
    }

    if (kRGBA_GrColorComponentFlags == blendedColor.fKnownColorFlags) {
        *color = blendedColor.fKnownColor;
        return true;
    }
    return false;
}