bool SVGPaintContext::applyClipMaskAndFilterIfNecessary()
{
#if ENABLE(ASSERT)
ASSERT(!m_applyClipMaskAndFilterIfNecessaryCalled);
m_applyClipMaskAndFilterIfNecessaryCalled = true;
#endif
SVGResources* resources = SVGResourcesCache::cachedResourcesForLayoutObject(m_object);
// When rendering clip paths as masks, only geometric operations should be included so skip
// non-geometric operations such as compositing, masking, and filtering.
if (m_paintInfo.isRenderingClipPathAsMaskImage()) {
if (!applyClipIfNecessary(resources))
return false;
return true;
}
applyCompositingIfNecessary();
if (!applyClipIfNecessary(resources))
return false;
if (!applyMaskIfNecessary(resources))
return false;
if (!applyFilterIfNecessary(resources))
return false;
if (!isIsolationInstalled() && SVGLayoutSupport::isIsolationRequired(m_object))
m_compositingRecorder = adoptPtr(new CompositingRecorder(*m_paintInfo.context, *m_object, SkXfermode::kSrcOver_Mode, 1));
return true;
}
bool SVGPaintContext::applyClipMaskAndFilterIfNecessary() {
#if ENABLE(ASSERT)
DCHECK(!m_applyClipMaskAndFilterIfNecessaryCalled);
m_applyClipMaskAndFilterIfNecessaryCalled = true;
#endif
// When rendering clip paths as masks, only geometric operations should be
// included so skip non-geometric operations such as compositing, masking, and
// filtering.
if (paintInfo().isRenderingClipPathAsMaskImage()) {
DCHECK(!m_object.isSVGRoot());
applyClipIfNecessary();
return true;
}
bool isSVGRoot = m_object.isSVGRoot();
// Layer takes care of root opacity and blend mode.
if (isSVGRoot) {
DCHECK(!(m_object.isTransparent() || m_object.styleRef().hasBlendMode()) ||
m_object.hasLayer());
} else {
applyCompositingIfNecessary();
}
if (isSVGRoot) {
DCHECK(!m_object.styleRef().clipPath() || m_object.hasLayer());
} else {
applyClipIfNecessary();
}
SVGResources* resources =
SVGResourcesCache::cachedResourcesForLayoutObject(&m_object);
if (!applyMaskIfNecessary(resources))
return false;
if (isSVGRoot) {
DCHECK(!m_object.styleRef().hasFilter() || m_object.hasLayer());
} else if (!applyFilterIfNecessary(resources)) {
return false;
}
if (!isIsolationInstalled() &&
SVGLayoutSupport::isIsolationRequired(&m_object)) {
m_compositingRecorder = WTF::wrapUnique(new CompositingRecorder(
paintInfo().context, m_object, SkBlendMode::kSrcOver, 1));
}
return true;
}