FloatRect RenderSVGResourceMasker::resourceBoundingBox(RenderObject* object)
{
// Save the reference to the calling object for relayouting it on changing resource properties.
if (!m_masker.contains(object))
m_masker.set(object, new MaskerData);
// Resource was not layouted yet. Give back clipping rect of the mask.
SVGMaskElement* maskElement = static_cast<SVGMaskElement*>(node());
FloatRect objectBoundingBox = object->objectBoundingBox();
FloatRect maskBoundaries = maskElement->maskBoundingBox(objectBoundingBox);
if (selfNeedsLayout())
return maskBoundaries;
if (m_maskBoundaries.isEmpty())
calculateMaskContentRepaintRect();
if (!maskElement)
return FloatRect();
FloatRect maskRect = m_maskBoundaries;
if (maskElement->maskContentUnits() == SVGUnitTypes::SVG_UNIT_TYPE_OBJECTBOUNDINGBOX) {
AffineTransform transform;
transform.translate(objectBoundingBox.x(), objectBoundingBox.y());
transform.scaleNonUniform(objectBoundingBox.width(), objectBoundingBox.height());
maskRect = transform.mapRect(maskRect);
}
maskRect.intersect(maskBoundaries);
return maskRect;
}
FloatRect RenderSVGResourceMasker::resourceBoundingBox(RenderObject* object)
{
SVGMaskElement* maskElement = static_cast<SVGMaskElement*>(node());
ASSERT(maskElement);
FloatRect objectBoundingBox = object->objectBoundingBox();
FloatRect maskBoundaries = maskElement->maskBoundingBox(objectBoundingBox);
// Resource was not layouted yet. Give back clipping rect of the mask.
if (selfNeedsLayout())
return maskBoundaries;
if (m_maskContentBoundaries.isEmpty())
calculateMaskContentRepaintRect();
FloatRect maskRect = m_maskContentBoundaries;
if (maskElement->maskContentUnits() == SVGUnitTypes::SVG_UNIT_TYPE_OBJECTBOUNDINGBOX) {
AffineTransform transform;
transform.translate(objectBoundingBox.x(), objectBoundingBox.y());
transform.scaleNonUniform(objectBoundingBox.width(), objectBoundingBox.height());
maskRect = transform.mapRect(maskRect);
}
maskRect.intersect(maskBoundaries);
return maskRect;
}
FloatRect RenderSVGResourceMasker::resourceBoundingBox(const FloatRect& objectBoundingBox)
{
if (m_maskBoundaries.isEmpty())
calculateMaskContentRepaintRect();
SVGMaskElement* maskElement = static_cast<SVGMaskElement*>(node());
if (!maskElement)
return FloatRect();
FloatRect maskRect = m_maskBoundaries;
if (maskElement->maskContentUnits() == SVGUnitTypes::SVG_UNIT_TYPE_OBJECTBOUNDINGBOX) {
AffineTransform transform;
transform.translate(objectBoundingBox.x(), objectBoundingBox.y());
transform.scaleNonUniform(objectBoundingBox.width(), objectBoundingBox.height());
maskRect = transform.mapRect(maskRect);
}
maskRect.intersect(maskElement->maskBoundingBox(objectBoundingBox));
return maskRect;
}