diff -r 000000000000 -r 4f2f89ce4247 WebCore/rendering/RenderPath.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/WebCore/rendering/RenderPath.h Fri Sep 17 09:02:29 2010 +0300 @@ -0,0 +1,104 @@ +/* + Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann + 2004, 2005 Rob Buis + 2005 Eric Seidel + 2006 Apple Computer, Inc + 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 + aint 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. +*/ + +#ifndef RenderPath_h +#define RenderPath_h + +#if ENABLE(SVG) +#include "AffineTransform.h" +#include "FloatRect.h" +#include "RenderSVGModelObject.h" +#include "SVGMarkerLayoutInfo.h" + +namespace WebCore { + +class FloatPoint; +class RenderSVGContainer; +class SVGStyledTransformableElement; + +class RenderPath : public RenderSVGModelObject { +public: + RenderPath(SVGStyledTransformableElement*); + + const Path& path() const { return m_path; } + void setNeedsBoundariesUpdate() { m_needsBoundariesUpdate = true; } + void setNeedsPathUpdate() { m_needsPathUpdate = true; } + virtual void setNeedsTransformUpdate() { m_needsTransformUpdate = true; } + +private: + // Hit-detection seperated for the fill and the stroke + bool fillContains(const FloatPoint&, bool requiresFill = true, WindRule fillRule = RULE_NONZERO) const; + bool strokeContains(const FloatPoint&, bool requiresStroke = true) const; + + virtual FloatRect objectBoundingBox() const { return m_fillBoundingBox; } + virtual FloatRect strokeBoundingBox() const { return m_strokeAndMarkerBoundingBox; } + virtual FloatRect repaintRectInLocalCoordinates() const { return m_repaintBoundingBox; } + virtual const AffineTransform& localToParentTransform() const { return m_localTransform; } + + virtual bool isRenderPath() const { return true; } + virtual const char* renderName() const { return "RenderPath"; } + + virtual void layout(); + virtual void paint(PaintInfo&, int parentX, int parentY); + virtual void addFocusRingRects(Vector&, int tx, int ty); + + virtual bool nodeAtFloatPoint(const HitTestRequest&, HitTestResult&, const FloatPoint& pointInParent, HitTestAction); + virtual void styleWillChange(StyleDifference, const RenderStyle*); + + FloatRect calculateMarkerBoundsIfNeeded(); + void updateCachedBoundaries(); + +private: + virtual AffineTransform localTransform() const { return m_localTransform; } + + bool m_needsBoundariesUpdate : 1; + bool m_needsPathUpdate : 1; + bool m_needsTransformUpdate : 1; + + mutable Path m_path; + FloatRect m_fillBoundingBox; + FloatRect m_strokeAndMarkerBoundingBox; + FloatRect m_repaintBoundingBox; + SVGMarkerLayoutInfo m_markerLayoutInfo; + AffineTransform m_localTransform; +}; + +inline RenderPath* toRenderPath(RenderObject* object) +{ + ASSERT(!object || object->isRenderPath()); + return static_cast(object); +} + +inline const RenderPath* toRenderPath(const RenderObject* object) +{ + ASSERT(!object || object->isRenderPath()); + return static_cast(object); +} + +// This will catch anyone doing an unnecessary cast. +void toRenderPath(const RenderPath*); + +} + +#endif // ENABLE(SVG) +#endif