RenderObject* SVGUseElement::rendererClipChild() const
{
Node* n = m_targetElementInstance ? m_targetElementInstance->shadowTreeElement() : 0;
if (!n)
return 0;
if (n->isSVGElement() && isDirectReference(n))
return static_cast<SVGElement*>(n)->renderer();
return 0;
}
RenderElement* SVGUseElement::rendererClipChild() const
{
if (!m_targetElementInstance)
return nullptr;
auto* element = m_targetElementInstance->shadowTreeElement();
if (!element)
return nullptr;
if (!isDirectReference(*element))
return nullptr;
return element->renderer();
}
Path SVGUseElement::toClipPath() const
{
if (!m_shadowTreeRootElement)
const_cast<SVGUseElement*>(this)->buildPendingResource();
Node* n = m_shadowTreeRootElement->firstChild();
if (n->isSVGElement() && static_cast<SVGElement*>(n)->isStyledTransformable()) {
if (!isDirectReference(n))
// Spec: Indirect references are an error (14.3.5)
document()->accessSVGExtensions()->reportError("Not allowed to use indirect reference in <clip-path>");
else
return static_cast<SVGStyledTransformableElement*>(n)->toClipPath();
}
return Path();
}
void SVGUseElement::toClipPath(Path& path) const
{
ASSERT(path.isEmpty());
Node* n = m_targetElementInstance ? m_targetElementInstance->shadowTreeElement() : 0;
if (!n)
return;
if (n->isSVGElement() && static_cast<SVGElement*>(n)->isStyledTransformable()) {
if (!isDirectReference(n))
// Spec: Indirect references are an error (14.3.5)
document()->accessSVGExtensions()->reportError("Not allowed to use indirect reference in <clip-path>");
else {
static_cast<SVGStyledTransformableElement*>(n)->toClipPath(path);
path.translate(FloatSize(x().value(this), y().value(this)));
path.transform(animatedLocalTransform());
}
}
}
void SVGUseElement::toClipPath(Path& path)
{
ASSERT(path.isEmpty());
Node* n = m_targetElementInstance ? m_targetElementInstance->shadowTreeElement() : 0;
if (!n)
return;
if (n->isSVGElement() && toSVGElement(*n).isSVGGraphicsElement()) {
if (!isDirectReference(toSVGElement(*n))) {
// Spec: Indirect references are an error (14.3.5)
document().accessSVGExtensions()->reportError("Not allowed to use indirect reference in <clip-path>");
} else {
toSVGGraphicsElement(*n).toClipPath(path);
// FIXME: Avoid manual resolution of x/y here. Its potentially harmful.
SVGLengthContext lengthContext(this);
path.translate(FloatSize(x().value(lengthContext), y().value(lengthContext)));
path.transform(animatedLocalTransform());
}
}
}
SVGGraphicsElement* SVGUseElement::targetGraphicsElementForClipping() const
{
Node* n = userAgentShadowRoot()->firstChild();
if (!n || !n->isSVGElement())
return nullptr;
SVGElement& element = toSVGElement(*n);
if (!element.isSVGGraphicsElement())
return nullptr;
// Spec: "If a <use> element is a child of a clipPath element, it must directly
// reference <path>, <text> or basic shapes elements. Indirect references are an
// error and the clipPath element must be ignored."
// http://dev.w3.org/fxtf/css-masking-1/#the-clip-path
if (!isDirectReference(element)) {
// Spec: Indirect references are an error (14.3.5)
document().accessSVGExtensions().reportError("Not allowed to use indirect reference in <clip-path>");
return nullptr;
}
return &toSVGGraphicsElement(element);
}
