--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/rendering/RenderSVGImage.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,208 @@
+/*
+    Copyright (C) 2006 Alexander Kellett <lypanov@kde.org>
+    Copyright (C) 2006 Apple Computer, Inc.
+    Copyright (C) 2007 Nikolas Zimmermann <zimmermann@kde.org>
+    Copyright (C) 2007, 2008, 2009 Rob Buis <buis@kde.org>
+    Copyright (C) 2009, Google, Inc.
+    Copyright (C) 2009 Dirk Schulze <krit@webkit.org>
+
+    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)
+#include "RenderSVGImage.h"
+
+#include "Attr.h"
+#include "FloatConversion.h"
+#include "FloatQuad.h"
+#include "GraphicsContext.h"
+#include "PointerEventsHitRules.h"
+#include "RenderLayer.h"
+#include "RenderSVGResourceContainer.h"
+#include "RenderSVGResourceFilter.h"
+#include "SVGImageElement.h"
+#include "SVGLength.h"
+#include "SVGPreserveAspectRatio.h"
+#include "SVGRenderSupport.h"
+
+namespace WebCore {
+
+RenderSVGImage::RenderSVGImage(SVGImageElement* impl)
+    : RenderImage(impl)
+    , m_needsTransformUpdate(true)
+{
+}
+
+void RenderSVGImage::layout()
+{
+    ASSERT(needsLayout());
+
+    LayoutRepainter repainter(*this, m_everHadLayout && checkForRepaintDuringLayout());
+    SVGImageElement* image = static_cast<SVGImageElement*>(node());
+
+    if (m_needsTransformUpdate) {
+        m_localTransform = image->animatedLocalTransform();
+        m_needsTransformUpdate = false;
+    }
+
+    // minimum height
+    setHeight(errorOccurred() ? intrinsicSize().height() : 0);
+
+    calcWidth();
+    calcHeight();
+
+    // FIXME: Optimize caching the repaint rects.
+    m_localBounds = FloatRect(image->x().value(image), image->y().value(image), image->width().value(image), image->height().value(image));
+    m_cachedLocalRepaintRect = FloatRect();
+
+    // Invalidate all resources of this client, if we changed something.
+    if (m_everHadLayout && selfNeedsLayout())
+        RenderSVGResource::invalidateAllResourcesOfRenderer(this);
+
+    repainter.repaintAfterLayout();
+    setNeedsLayout(false);
+}
+
+void RenderSVGImage::paint(PaintInfo& paintInfo, int, int)
+{
+    if (paintInfo.context->paintingDisabled() || style()->visibility() == HIDDEN)
+        return;
+
+    paintInfo.context->save();
+    paintInfo.context->concatCTM(localToParentTransform());
+
+    if (paintInfo.phase == PaintPhaseForeground) {
+        PaintInfo savedInfo(paintInfo);
+
+        if (SVGRenderSupport::prepareToRenderSVGContent(this, paintInfo)) {
+            FloatRect destRect = m_localBounds;
+            FloatRect srcRect(0, 0, image()->width(), image()->height());
+
+            SVGImageElement* imageElt = static_cast<SVGImageElement*>(node());
+            if (imageElt->preserveAspectRatio().align() != SVGPreserveAspectRatio::SVG_PRESERVEASPECTRATIO_NONE)
+                imageElt->preserveAspectRatio().transformRect(destRect, srcRect);
+
+            paintInfo.context->drawImage(image(), DeviceColorSpace, destRect, srcRect);
+        }
+        SVGRenderSupport::finishRenderSVGContent(this, paintInfo, savedInfo.context);
+    }
+
+    if ((paintInfo.phase == PaintPhaseOutline || paintInfo.phase == PaintPhaseSelfOutline) && style()->outlineWidth())
+        paintOutline(paintInfo.context, 0, 0, width(), height());
+
+    paintInfo.context->restore();
+}
+
+void RenderSVGImage::destroy()
+{
+    RenderSVGResource::invalidateAllResourcesOfRenderer(this);
+    RenderImage::destroy();
+}
+
+bool RenderSVGImage::nodeAtFloatPoint(const HitTestRequest& request, HitTestResult& result, const FloatPoint& pointInParent, HitTestAction hitTestAction)
+{
+    // We only draw in the forground phase, so we only hit-test then.
+    if (hitTestAction != HitTestForeground)
+        return false;
+
+    PointerEventsHitRules hitRules(PointerEventsHitRules::SVG_IMAGE_HITTESTING, request, style()->pointerEvents());
+    bool isVisible = (style()->visibility() == VISIBLE);
+    if (isVisible || !hitRules.requireVisible) {
+        FloatPoint localPoint = localToParentTransform().inverse().mapPoint(pointInParent);
+            
+        if (!SVGRenderSupport::pointInClippingArea(this, localPoint))
+            return false;
+
+        if (hitRules.canHitFill) {
+            if (m_localBounds.contains(localPoint)) {
+                updateHitTestResult(result, roundedIntPoint(localPoint));
+                return true;
+            }
+        }
+    }
+
+    return false;
+}
+
+bool RenderSVGImage::nodeAtPoint(const HitTestRequest&, HitTestResult&, int, int, int, int, HitTestAction)
+{
+    ASSERT_NOT_REACHED();
+    return false;
+}
+
+FloatRect RenderSVGImage::repaintRectInLocalCoordinates() const
+{
+    // If we already have a cached repaint rect, return that
+    if (!m_cachedLocalRepaintRect.isEmpty())
+        return m_cachedLocalRepaintRect;
+
+    m_cachedLocalRepaintRect = m_localBounds;
+    SVGRenderSupport::intersectRepaintRectWithResources(this, m_cachedLocalRepaintRect);
+
+    return m_cachedLocalRepaintRect;
+}
+
+void RenderSVGImage::imageChanged(WrappedImagePtr image, const IntRect* rect)
+{
+    RenderImage::imageChanged(image, rect);
+#if ENABLE(FILTERS)
+    // The image resource defaults to nullImage until the resource arrives.
+    // This empty image may be cached by SVG filter effects which must be invalidated.
+    if (RenderSVGResourceFilter* filter = getRenderSVGResourceById<RenderSVGResourceFilter>(document(), style()->svgStyle()->filterResource()))
+        filter->invalidateClient(this);
+#endif
+    repaint();
+}
+
+IntRect RenderSVGImage::clippedOverflowRectForRepaint(RenderBoxModelObject* repaintContainer)
+{
+    return SVGRenderSupport::clippedOverflowRectForRepaint(this, repaintContainer);
+}
+
+void RenderSVGImage::computeRectForRepaint(RenderBoxModelObject* repaintContainer, IntRect& repaintRect, bool fixed)
+{
+    SVGRenderSupport::computeRectForRepaint(this, repaintContainer, repaintRect, fixed);
+}
+
+void RenderSVGImage::mapLocalToContainer(RenderBoxModelObject* repaintContainer, bool fixed , bool useTransforms, TransformState& transformState) const
+{
+    SVGRenderSupport::mapLocalToContainer(this, repaintContainer, fixed, useTransforms, transformState);
+}
+
+void RenderSVGImage::addFocusRingRects(Vector<IntRect>& rects, int, int)
+{
+    // this is called from paint() after the localTransform has already been applied
+    IntRect contentRect = enclosingIntRect(repaintRectInLocalCoordinates());
+    if (!contentRect.isEmpty())
+        rects.append(contentRect);
+}
+
+void RenderSVGImage::absoluteRects(Vector<IntRect>&, int, int)
+{
+    // This code path should never be taken for SVG, as we're assuming useTransforms=true everywhere, absoluteQuads should be used.
+    ASSERT_NOT_REACHED();
+}
+
+void RenderSVGImage::absoluteQuads(Vector<FloatQuad>& quads)
+{
+    quads.append(localToAbsoluteQuad(strokeBoundingBox()));
+}
+
+}
+
+#endif // ENABLE(SVG)