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/*
* Copyright (C) 2006 Apple Computer, Inc.
* Copyright (C) 2009 Google, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#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 "SVGRenderSupport.h"
#include "SVGTransformList.h"
namespace WebCore {
RenderForeignObject::RenderForeignObject(SVGForeignObjectElement* node)
: RenderSVGBlock(node)
{
}
TransformationMatrix RenderForeignObject::translationForAttributes() const
{
SVGForeignObjectElement* foreign = static_cast<SVGForeignObjectElement*>(node());
return TransformationMatrix().translate(foreign->x().value(foreign), foreign->y().value(foreign));
}
void RenderForeignObject::paint(PaintInfo& paintInfo, int, int)
{
if (paintInfo.context->paintingDisabled())
return;
// Copy the paint info so that modifications to the damage rect do not affect callers
PaintInfo childPaintInfo = paintInfo;
childPaintInfo.context->save();
applyTransformToPaintInfo(childPaintInfo, localToParentTransform());
childPaintInfo.context->clip(clipRect(0, 0));
float opacity = style()->opacity();
if (opacity < 1.0f)
childPaintInfo.context->beginTransparencyLayer(opacity);
RenderBlock::paint(childPaintInfo, 0, 0);
if (opacity < 1.0f)
childPaintInfo.context->endTransparencyLayer();
childPaintInfo.context->restore();
}
FloatRect RenderForeignObject::objectBoundingBox() const
{
return borderBoxRect();
}
FloatRect RenderForeignObject::repaintRectInLocalCoordinates() const
{
// HACK: to maintain historical LayoutTest results for now.
// RenderForeignObject is a RenderBlock (not a RenderSVGModelObject) so this
// should not affect repaint correctness. But it should really be:
// return borderBoxRect();
return FloatRect();
}
void RenderForeignObject::computeRectForRepaint(RenderBoxModelObject* repaintContainer, IntRect& rect, bool fixed)
{
rect = localToParentTransform().mapRect(rect);
style()->svgStyle()->inflateForShadow(rect);
RenderBlock::computeRectForRepaint(repaintContainer, rect, fixed);
}
const TransformationMatrix& RenderForeignObject::localToParentTransform() const
{
m_localToParentTransform = localTransform() * translationForAttributes();
return m_localToParentTransform;
}
void RenderForeignObject::layout()
{
ASSERT(needsLayout());
ASSERT(!view()->layoutStateEnabled()); // RenderSVGRoot disables layoutState for the SVG rendering tree.
LayoutRepainter repainter(*this, checkForRepaintDuringLayout());
m_localTransform = static_cast<SVGForeignObjectElement*>(node())->animatedLocalTransform();
RenderBlock::layout();
repainter.repaintAfterLayout();
setNeedsLayout(false);
}
bool RenderForeignObject::nodeAtFloatPoint(const HitTestRequest& request, HitTestResult& result, const FloatPoint& pointInParent, HitTestAction hitTestAction)
{
FloatPoint localPoint = localToParentTransform().inverse().mapPoint(pointInParent);
return RenderBlock::nodeAtPoint(request, result, static_cast<int>(localPoint.x()), static_cast<int>(localPoint.y()), 0, 0, hitTestAction);
}
bool RenderForeignObject::nodeAtPoint(const HitTestRequest&, HitTestResult&, int, int, int, int, HitTestAction)
{
ASSERT_NOT_REACHED();
return false;
}
void RenderForeignObject::mapLocalToContainer(RenderBoxModelObject* repaintContainer, bool fixed , bool useTransforms, TransformState& transformState) const
{
SVGRenderBase::mapLocalToContainer(this, repaintContainer, fixed, useTransforms, transformState);
}
} // namespace WebCore
#endif // ENABLE(SVG) && ENABLE(SVG_FOREIGN_OBJECT)
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