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author | Steve Block <steveblock@google.com> | 2011-05-13 06:44:40 -0700 |
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committer | Android (Google) Code Review <android-gerrit@google.com> | 2011-05-13 06:44:40 -0700 |
commit | 08014c20784f3db5df3a89b73cce46037b77eb59 (patch) | |
tree | 47749210d31e19e6e2f64036fa8fae2ad693476f /Source/WebCore/rendering/RenderSVGResourceMarker.cpp | |
parent | 860220379e56aeb66424861ad602b07ee22b4055 (diff) | |
parent | 4c3661f7918f8b3f139f824efb7855bedccb4c94 (diff) | |
download | external_webkit-08014c20784f3db5df3a89b73cce46037b77eb59.zip external_webkit-08014c20784f3db5df3a89b73cce46037b77eb59.tar.gz external_webkit-08014c20784f3db5df3a89b73cce46037b77eb59.tar.bz2 |
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.
Diffstat (limited to 'Source/WebCore/rendering/RenderSVGResourceMarker.cpp')
-rw-r--r-- | Source/WebCore/rendering/RenderSVGResourceMarker.cpp | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/Source/WebCore/rendering/RenderSVGResourceMarker.cpp b/Source/WebCore/rendering/RenderSVGResourceMarker.cpp new file mode 100644 index 0000000..1d5663b --- /dev/null +++ b/Source/WebCore/rendering/RenderSVGResourceMarker.cpp @@ -0,0 +1,177 @@ +/* + * 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) |