RenderForeignObject.cpp [plain text]
#include "config.h"
#if ENABLE(SVG) && ENABLE(SVG_FOREIGN_OBJECT)
#include "RenderForeignObject.h"
#include "GraphicsContext.h"
#include "RenderView.h"
#include "SVGForeignObjectElement.h"
#include "SVGLength.h"
#include "SVGTransformList.h"
namespace WebCore {
RenderForeignObject::RenderForeignObject(SVGForeignObjectElement* node)
: RenderSVGBlock(node)
{
}
TransformationMatrix RenderForeignObject::translationForAttributes()
{
SVGForeignObjectElement* foreign = static_cast<SVGForeignObjectElement*>(element());
return TransformationMatrix().translate(foreign->x().value(foreign), foreign->y().value(foreign));
}
void RenderForeignObject::paint(PaintInfo& paintInfo, int parentX, int parentY)
{
if (paintInfo.context->paintingDisabled())
return;
paintInfo.context->save();
paintInfo.context->concatCTM(TransformationMatrix().translate(parentX, parentY));
paintInfo.context->concatCTM(localTransform());
paintInfo.context->concatCTM(translationForAttributes());
paintInfo.context->clip(getClipRect(parentX, parentY));
float opacity = style()->opacity();
if (opacity < 1.0f)
paintInfo.context->beginTransparencyLayer(opacity);
PaintInfo pi(paintInfo);
pi.rect = absoluteTransform().inverse().mapRect(paintInfo.rect);
RenderBlock::paint(pi, 0, 0);
if (opacity < 1.0f)
paintInfo.context->endTransparencyLayer();
paintInfo.context->restore();
}
void RenderForeignObject::computeRectForRepaint(RenderBox* repaintContainer, IntRect& rect, bool fixed)
{
TransformationMatrix transform = translationForAttributes() * localTransform();
rect = transform.mapRect(rect);
RenderBlock::computeRectForRepaint(repaintContainer, rect, fixed);
}
bool RenderForeignObject::calculateLocalTransform()
{
TransformationMatrix oldTransform = m_localTransform;
m_localTransform = static_cast<SVGForeignObjectElement*>(element())->animatedLocalTransform();
return (oldTransform != m_localTransform);
}
void RenderForeignObject::layout()
{
ASSERT(needsLayout());
view()->disableLayoutState();
LayoutRepainter repainter(*this, checkForRepaintDuringLayout(), &m_absoluteBounds);
calculateLocalTransform();
RenderBlock::layout();
m_absoluteBounds = absoluteClippedOverflowRect();
repainter.repaintAfterLayout();
view()->enableLayoutState();
setNeedsLayout(false);
}
bool RenderForeignObject::nodeAtPoint(const HitTestRequest& request, HitTestResult& result, int x, int y, int tx, int ty, HitTestAction hitTestAction)
{
TransformationMatrix totalTransform = absoluteTransform();
totalTransform *= translationForAttributes();
double localX, localY;
totalTransform.inverse().map(x, y, localX, localY);
return RenderBlock::nodeAtPoint(request, result, static_cast<int>(localX), static_cast<int>(localY), tx, ty, hitTestAction);
}
}
#endif // ENABLE(SVG) && ENABLE(SVG_FOREIGN_OBJECT)