RefPtr<CSSCrossfadeValue> CSSCrossfadeValue::blend(const CSSCrossfadeValue& from, double progress) const
{
ASSERT(equalInputImages(from));
if (!m_cachedToImage || !m_cachedFromImage)
return nullptr;
auto fromImageValue = CSSImageValue::create(*m_cachedFromImage);
auto toImageValue = CSSImageValue::create(*m_cachedToImage);
double fromPercentage = from.m_percentageValue->getDoubleValue();
if (from.m_percentageValue->isPercentage())
fromPercentage /= 100.0;
double toPercentage = m_percentageValue->getDoubleValue();
if (m_percentageValue->isPercentage())
toPercentage /= 100.0;
auto percentageValue = CSSPrimitiveValue::create(blendFunc(fromPercentage, toPercentage, progress), CSSPrimitiveValue::CSS_NUMBER);
return CSSCrossfadeValue::create(WTFMove(fromImageValue), WTFMove(toImageValue), WTFMove(percentageValue), from.isPrefixed() && isPrefixed());
}
PassRefPtr<CSSCrossfadeValue> CSSCrossfadeValue::blend(const CSSCrossfadeValue& from, double progress) const
{
ASSERT(equalInputImages(from));
RefPtr<StyleCachedImage> toStyledImage = StyleCachedImage::create(m_cachedToImage.get());
RefPtr<StyleCachedImage> fromStyledImage = StyleCachedImage::create(m_cachedFromImage.get());
auto fromImageValue = CSSImageValue::create(m_cachedFromImage->url(), fromStyledImage.get());
auto toImageValue = CSSImageValue::create(m_cachedToImage->url(), toStyledImage.get());
RefPtr<CSSCrossfadeValue> crossfadeValue = CSSCrossfadeValue::create(WTF::move(fromImageValue), WTF::move(toImageValue));
double fromPercentage = from.m_percentageValue->getDoubleValue();
if (from.m_percentageValue->isPercentage())
fromPercentage /= 100.0;
double toPercentage = m_percentageValue->getDoubleValue();
if (m_percentageValue->isPercentage())
toPercentage /= 100.0;
crossfadeValue->setPercentage(CSSPrimitiveValue::create(blendFunc(fromPercentage, toPercentage, progress), CSSPrimitiveValue::CSS_NUMBER));
return crossfadeValue.release();
}
bool CSSCrossfadeValue::equals(const CSSCrossfadeValue& other) const
{
return equalInputImages(other) && compareCSSValue(m_percentageValue, other.m_percentageValue);
}
bool CSSFilterImageValue::equals(const CSSFilterImageValue& other) const
{
return equalInputImages(other) && compareCSSValuePtr(m_filterValue, other.m_filterValue);
}