bool SVGLayoutSupport::pointInClippingArea(const LayoutObject& object,
const FloatPoint& point) {
ClipPathOperation* clipPathOperation = object.styleRef().clipPath();
if (!clipPathOperation)
return true;
if (clipPathOperation->type() == ClipPathOperation::SHAPE) {
ShapeClipPathOperation& clipPath =
toShapeClipPathOperation(*clipPathOperation);
return clipPath.path(object.objectBoundingBox()).contains(point);
}
DCHECK_EQ(clipPathOperation->type(), ClipPathOperation::REFERENCE);
SVGResources* resources =
SVGResourcesCache::cachedResourcesForLayoutObject(&object);
if (!resources || !resources->clipper())
return true;
return resources->clipper()->hitTestClipContent(object.objectBoundingBox(),
point);
}
bool SVGPaintContext::applyClipIfNecessary(SVGResources* resources)
{
// resources->clipper() corresponds to the non-prefixed 'clip-path' whereas
// m_object->style()->clipPath() corresponds to '-webkit-clip-path'.
// FIXME: We should unify the clip-path and -webkit-clip-path codepaths.
if (LayoutSVGResourceClipper* clipper = resources ? resources->clipper() : nullptr) {
if (!SVGClipPainter(*clipper).prepareEffect(*m_object, m_object->objectBoundingBox(), m_object->paintInvalidationRectInLocalCoordinates(), m_paintInfo.context, m_clipperState))
return false;
m_clipper = clipper;
} else {
ClipPathOperation* clipPathOperation = m_object->style()->clipPath();
if (clipPathOperation && clipPathOperation->type() == ClipPathOperation::SHAPE) {
ShapeClipPathOperation* clipPath = toShapeClipPathOperation(clipPathOperation);
if (!clipPath->isValid())
return false;
m_clipPathRecorder = adoptPtr(new ClipPathRecorder(*m_paintInfo.context, *m_object, clipPath->path(m_object->objectBoundingBox())));
}
}
return true;
}
