void SVGResourceFilter::applyFilter(GraphicsContext*& context, const RenderObject*)
{
if (!m_savedContext)
return;
context = m_savedContext;
m_savedContext = 0;
#if !PLATFORM(CG)
m_sourceGraphicBuffer->transformColorSpace(DeviceRGB, LinearRGB);
#endif
FilterEffect* lastEffect = m_filterBuilder->lastEffect();
if (lastEffect && !m_filterBBox.isEmpty() && !lastEffect->subRegion().isEmpty()) {
m_filter->setSourceImage(m_sourceGraphicBuffer.release());
lastEffect->apply(m_filter.get());
ImageBuffer* resultImage = lastEffect->resultImage();
if (resultImage) {
#if !PLATFORM(CG)
resultImage->transformColorSpace(LinearRGB, DeviceRGB);
#endif
context->drawImage(resultImage->image(), lastEffect->subRegion());
}
}
m_sourceGraphicBuffer.clear();
}
void RenderSVGResourceFilter::postApplyResource(RenderObject* object, GraphicsContext*& context, unsigned short resourceMode)
{
ASSERT(object);
ASSERT(context);
#ifndef NDEBUG
ASSERT(resourceMode == ApplyToDefaultMode);
#else
UNUSED_PARAM(resourceMode);
#endif
if (!m_filter.contains(object))
return;
FilterData* filterData = m_filter.get(object);
if (!filterData->builded) {
if (!filterData->savedContext) {
removeClientFromCache(object);
return;
}
context = filterData->savedContext;
filterData->savedContext = 0;
#if !PLATFORM(CG)
filterData->sourceGraphicBuffer->transformColorSpace(DeviceRGB, LinearRGB);
#endif
}
FilterEffect* lastEffect = filterData->builder->lastEffect();
if (lastEffect && !filterData->boundaries.isEmpty() && !lastEffect->subRegion().isEmpty()) {
// This is the real filtering of the object. It just needs to be called on the
// initial filtering process. We just take the stored filter result on a
// second drawing.
if (!filterData->builded) {
filterData->filter->setSourceImage(filterData->sourceGraphicBuffer.release());
lastEffect->apply(filterData->filter.get());
#if !PLATFORM(CG)
ImageBuffer* resultImage = lastEffect->resultImage();
if (resultImage)
resultImage->transformColorSpace(LinearRGB, DeviceRGB);
#endif
filterData->builded = true;
}
ImageBuffer* resultImage = lastEffect->resultImage();
if (resultImage)
context->drawImageBuffer(resultImage, object->style()->colorSpace(), lastEffect->subRegion());
}
filterData->sourceGraphicBuffer.clear();
}
