C++ (Cpp) toXfermode示例

示例#1

文件： FEComposite.cpp 项目： RobinWuDev/Qt

PassRefPtr<SkImageFilter> FEComposite::createImageFilterInternal(SkiaImageFilterBuilder* builder, bool requiresPMColorValidation)
{
    RefPtr<SkImageFilter> foreground(builder->build(inputEffect(0), operatingColorSpace(), !mayProduceInvalidPreMultipliedPixels()));
    RefPtr<SkImageFilter> background(builder->build(inputEffect(1), operatingColorSpace(), !mayProduceInvalidPreMultipliedPixels()));
    SkImageFilter::CropRect cropRect = getCropRect(builder->cropOffset());
    RefPtr<SkXfermode> mode;
    if (m_type == FECOMPOSITE_OPERATOR_ARITHMETIC)
        mode = adoptRef(SkArithmeticMode::Create(SkFloatToScalar(m_k1), SkFloatToScalar(m_k2), SkFloatToScalar(m_k3), SkFloatToScalar(m_k4), requiresPMColorValidation));
    else
        mode = adoptRef(SkXfermode::Create(toXfermode(m_type)));
    return adoptRef(SkXfermodeImageFilter::Create(mode.get(), background.get(), foreground.get(), &cropRect));
}

示例#2

文件： FEComposite.cpp 项目： glenkim-dev/blink-crosswalk

PassRefPtr<SkImageFilter> FEComposite::createImageFilter(SkiaImageFilterBuilder* builder)
{
    RefPtr<SkImageFilter> foreground(builder->build(inputEffect(0), operatingColorSpace()));
    RefPtr<SkImageFilter> background(builder->build(inputEffect(1), operatingColorSpace()));
    SkImageFilter::CropRect cropRect = getCropRect(builder->cropOffset());
    RefPtr<SkXfermode> mode;
    if (m_type == FECOMPOSITE_OPERATOR_ARITHMETIC)
        mode = adoptRef(SkArithmeticMode::Create(SkFloatToScalar(m_k1), SkFloatToScalar(m_k2), SkFloatToScalar(m_k3), SkFloatToScalar(m_k4)));
    else
        mode = adoptRef(SkXfermode::Create(toXfermode(m_type)));
    return adoptRef(new SkXfermodeImageFilter(mode.get(), background.get(), foreground.get(), &cropRect));
}