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authorSteve Block <steveblock@google.com>2011-05-13 06:44:40 -0700
committerAndroid (Google) Code Review <android-gerrit@google.com>2011-05-13 06:44:40 -0700
commit08014c20784f3db5df3a89b73cce46037b77eb59 (patch)
tree47749210d31e19e6e2f64036fa8fae2ad693476f /Source/WebCore/rendering/RenderSVGResourceMarker.cpp
parent860220379e56aeb66424861ad602b07ee22b4055 (diff)
parent4c3661f7918f8b3f139f824efb7855bedccb4c94 (diff)
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Merge changes Ide388898,Ic49f367c,I1158a808,Iacb6ca5d,I2100dd3a,I5c1abe54,Ib0ef9902,I31dbc523,I570314b3
* changes: Merge WebKit at r75315: Update WebKit version Merge WebKit at r75315: Add FrameLoaderClient PageCache stubs Merge WebKit at r75315: Stub out AXObjectCache::remove() Merge WebKit at r75315: Fix ImageBuffer Merge WebKit at r75315: Fix PluginData::initPlugins() Merge WebKit at r75315: Fix conflicts Merge WebKit at r75315: Fix Makefiles Merge WebKit at r75315: Move Android-specific WebCore files to Source Merge WebKit at r75315: Initial merge by git.
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diff --git a/Source/WebCore/rendering/RenderSVGResourceMarker.cpp b/Source/WebCore/rendering/RenderSVGResourceMarker.cpp
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+++ b/Source/WebCore/rendering/RenderSVGResourceMarker.cpp
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+/*
+ * Copyright (C) 2004, 2005, 2007, 2008 Nikolas Zimmermann <zimmermann@kde.org>
+ * 2004, 2005, 2006, 2007, 2008 Rob Buis <buis@kde.org>
+ * Copyright (C) Research In Motion Limited 2009-2010. All rights reserved.
+ *
+ * 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 "RenderSVGResourceMarker.h"
+
+#include "GraphicsContext.h"
+#include "RenderSVGContainer.h"
+#include "SVGElement.h"
+#include "SVGMarkerElement.h"
+#include "SVGRenderSupport.h"
+#include "SVGStyledElement.h"
+#include "SVGStyledTransformableElement.h"
+
+namespace WebCore {
+
+RenderSVGResourceType RenderSVGResourceMarker::s_resourceType = MarkerResourceType;
+
+RenderSVGResourceMarker::RenderSVGResourceMarker(SVGMarkerElement* node)
+ : RenderSVGResourceContainer(node)
+{
+}
+
+RenderSVGResourceMarker::~RenderSVGResourceMarker()
+{
+}
+
+void RenderSVGResourceMarker::layout()
+{
+ // Invalidate all resources if our layout changed.
+ if (m_everHadLayout && selfNeedsLayout())
+ removeAllClientsFromCache();
+
+ // RenderSVGHiddenContainer overwrites layout(). We need the
+ // layouting of RenderSVGContainer for calculating local
+ // transformations and repaint.
+ RenderSVGContainer::layout();
+}
+
+void RenderSVGResourceMarker::removeAllClientsFromCache(bool markForInvalidation)
+{
+ markAllClientsForInvalidation(markForInvalidation ? LayoutAndBoundariesInvalidation : ParentOnlyInvalidation);
+}
+
+void RenderSVGResourceMarker::removeClientFromCache(RenderObject* client, bool markForInvalidation)
+{
+ ASSERT(client);
+ markClientForInvalidation(client, markForInvalidation ? BoundariesInvalidation : ParentOnlyInvalidation);
+}
+
+void RenderSVGResourceMarker::applyViewportClip(PaintInfo& paintInfo)
+{
+ if (SVGRenderSupport::isOverflowHidden(this))
+ paintInfo.context->clip(m_viewport);
+}
+
+FloatRect RenderSVGResourceMarker::markerBoundaries(const AffineTransform& markerTransformation) const
+{
+ FloatRect coordinates = RenderSVGContainer::repaintRectInLocalCoordinates();
+
+ // Map repaint rect into parent coordinate space, in which the marker boundaries have to be evaluated
+ coordinates = localToParentTransform().mapRect(coordinates);
+
+ return markerTransformation.mapRect(coordinates);
+}
+
+const AffineTransform& RenderSVGResourceMarker::localToParentTransform() const
+{
+ AffineTransform viewportTranslation(viewportTransform());
+ m_localToParentTransform = viewportTranslation.translateRight(m_viewport.x(), m_viewport.y());
+ return m_localToParentTransform;
+ // If this class were ever given a localTransform(), then the above would read:
+ // return viewportTransform() * localTransform() * viewportTranslation;
+}
+
+FloatPoint RenderSVGResourceMarker::referencePoint() const
+{
+ SVGMarkerElement* marker = static_cast<SVGMarkerElement*>(node());
+ ASSERT(marker);
+
+ return FloatPoint(marker->refX().value(marker), marker->refY().value(marker));
+}
+
+float RenderSVGResourceMarker::angle() const
+{
+ SVGMarkerElement* marker = static_cast<SVGMarkerElement*>(node());
+ ASSERT(marker);
+
+ float angle = -1;
+ if (marker->orientType() == SVGMarkerElement::SVG_MARKER_ORIENT_ANGLE)
+ angle = marker->orientAngle().value();
+
+ return angle;
+}
+
+AffineTransform RenderSVGResourceMarker::markerTransformation(const FloatPoint& origin, float autoAngle, float strokeWidth) const
+{
+ SVGMarkerElement* marker = static_cast<SVGMarkerElement*>(node());
+ ASSERT(marker);
+
+ float markerAngle = angle();
+ bool useStrokeWidth = (marker->markerUnits() == SVGMarkerElement::SVG_MARKERUNITS_STROKEWIDTH);
+
+ AffineTransform transform;
+ transform.translate(origin.x(), origin.y());
+ transform.rotate(markerAngle == -1 ? autoAngle : markerAngle);
+ transform = markerContentTransformation(transform, referencePoint(), useStrokeWidth ? strokeWidth : -1);
+ return transform;
+}
+
+void RenderSVGResourceMarker::draw(PaintInfo& paintInfo, const AffineTransform& transform)
+{
+ PaintInfo info(paintInfo);
+ info.context->save();
+ info.applyTransform(transform);
+ RenderSVGContainer::paint(info, 0, 0);
+ info.context->restore();
+}
+
+AffineTransform RenderSVGResourceMarker::markerContentTransformation(const AffineTransform& contentTransformation, const FloatPoint& origin, float strokeWidth) const
+{
+ // The 'origin' coordinate maps to SVGs refX/refY, given in coordinates relative to the viewport established by the marker
+ FloatPoint mappedOrigin = viewportTransform().mapPoint(origin);
+
+ AffineTransform transformation = contentTransformation;
+ if (strokeWidth != -1)
+ transformation.scaleNonUniform(strokeWidth, strokeWidth);
+
+ transformation.translate(-mappedOrigin.x(), -mappedOrigin.y());
+ return transformation;
+}
+
+AffineTransform RenderSVGResourceMarker::viewportTransform() const
+{
+ SVGMarkerElement* marker = static_cast<SVGMarkerElement*>(node());
+ ASSERT(marker);
+
+ return marker->viewBoxToViewTransform(m_viewport.width(), m_viewport.height());
+}
+
+void RenderSVGResourceMarker::calcViewport()
+{
+ if (!selfNeedsLayout())
+ return;
+
+ SVGMarkerElement* marker = static_cast<SVGMarkerElement*>(node());
+ ASSERT(marker);
+
+ float w = marker->markerWidth().value(marker);
+ float h = marker->markerHeight().value(marker);
+ m_viewport = FloatRect(0, 0, w, h);
+}
+
+}
+
+#endif // ENABLE(SVG)