StyleCachedImageSet.cpp [plain text]
#include "config.h"
#include "StyleCachedImageSet.h"
#if ENABLE(CSS_IMAGE_SET)
#include "CSSImageSetValue.h"
#include "CachedImage.h"
#include "RenderElement.h"
namespace WebCore {
StyleCachedImageSet::StyleCachedImageSet(CachedImage* image, float imageScaleFactor, CSSImageSetValue* value)
: m_bestFitImage(image)
, m_imageScaleFactor(imageScaleFactor)
, m_imageSetValue(value)
{
m_isCachedImageSet = true;
m_bestFitImage->addClient(this);
}
StyleCachedImageSet::~StyleCachedImageSet()
{
m_bestFitImage->removeClient(this);
}
PassRefPtr<CSSValue> StyleCachedImageSet::cssValue() const
{
return m_imageSetValue;
}
bool StyleCachedImageSet::canRender(const RenderObject* renderer, float multiplier) const
{
return m_bestFitImage->canRender(renderer, multiplier);
}
bool StyleCachedImageSet::isLoaded() const
{
return m_bestFitImage->isLoaded();
}
bool StyleCachedImageSet::errorOccurred() const
{
return m_bestFitImage->errorOccurred();
}
FloatSize StyleCachedImageSet::imageSize(const RenderElement* renderer, float multiplier) const
{
FloatSize scaledImageSize = m_bestFitImage->imageSizeForRenderer(renderer, multiplier);
scaledImageSize.scale(1 / m_imageScaleFactor);
return scaledImageSize;
}
bool StyleCachedImageSet::imageHasRelativeWidth() const
{
return m_bestFitImage->imageHasRelativeWidth();
}
bool StyleCachedImageSet::imageHasRelativeHeight() const
{
return m_bestFitImage->imageHasRelativeHeight();
}
void StyleCachedImageSet::computeIntrinsicDimensions(const RenderElement*, Length& intrinsicWidth, Length& intrinsicHeight, FloatSize& intrinsicRatio)
{
m_bestFitImage->computeIntrinsicDimensions(intrinsicWidth, intrinsicHeight, intrinsicRatio);
}
bool StyleCachedImageSet::usesImageContainerSize() const
{
return m_bestFitImage->usesImageContainerSize();
}
void StyleCachedImageSet::setContainerSizeForRenderer(const RenderElement* renderer, const FloatSize& imageContainerSize, float imageContainerZoomFactor)
{
m_bestFitImage->setContainerSizeForRenderer(renderer, LayoutSize(imageContainerSize), imageContainerZoomFactor);
}
void StyleCachedImageSet::addClient(RenderElement* renderer)
{
m_bestFitImage->addClient(renderer);
}
void StyleCachedImageSet::removeClient(RenderElement* renderer)
{
m_bestFitImage->removeClient(renderer);
}
PassRefPtr<Image> StyleCachedImageSet::image(RenderElement* renderer, const FloatSize&) const
{
return m_bestFitImage->imageForRenderer(renderer);
}
bool StyleCachedImageSet::knownToBeOpaque(const RenderElement* renderer) const
{
return m_bestFitImage->currentFrameKnownToBeOpaque(renderer);
}
}
#endif // ENABLE(CSS_IMAGE_SET)