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      1 /*
      2  * Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann (at) kde.org>
      3  * Copyright (C) 2004, 2005 Rob Buis <buis (at) kde.org>
      4  * Copyright (C) 2005 Eric Seidel <eric (at) webkit.org>
      5  * Copyright (C) 2006 Apple Computer, Inc
      6  * Copyright (C) 2009 Google, Inc.
      7  * Copyright (C) 2011 Renata Hodovan <reni (at) webkit.org>
      8  * Copyright (C) 2011 University of Szeged
      9  *
     10  * This library is free software; you can redistribute it and/or
     11  * modify it under the terms of the GNU Library General Public
     12  * License as published by the Free Software Foundation; either
     13  * version 2 of the License, or (at your option) any later version.
     14  *
     15  * This library is distributed in the hope that it will be useful,
     16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
     17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     18  * Library General Public License for more details.
     19  *
     20  * You should have received a copy of the GNU Library General Public License
     21  * along with this library; see the file COPYING.LIB.  If not, write to
     22  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     23  * Boston, MA 02110-1301, USA.
     24  */
     25 
     26 #ifndef RenderSVGPath_h
     27 #define RenderSVGPath_h
     28 
     29 #include "core/rendering/svg/RenderSVGShape.h"
     30 
     31 namespace WebCore {
     32 
     33 class RenderSVGPath FINAL : public RenderSVGShape {
     34 public:
     35     explicit RenderSVGPath(SVGGraphicsElement*);
     36     virtual ~RenderSVGPath();
     37 
     38 private:
     39     virtual bool isSVGPath() const OVERRIDE { return true; }
     40     virtual const char* renderName() const { return "RenderSVGPath"; }
     41 
     42     virtual void updateShapeFromElement() OVERRIDE;
     43     FloatRect calculateUpdatedStrokeBoundingBox() const;
     44 
     45     virtual void strokeShape(GraphicsContext*) const OVERRIDE;
     46     virtual bool shapeDependentStrokeContains(const FloatPoint&) OVERRIDE;
     47 
     48     bool shouldStrokeZeroLengthSubpath() const;
     49     Path* zeroLengthLinecapPath(const FloatPoint&) const;
     50     FloatRect zeroLengthSubpathRect(const FloatPoint&, float) const;
     51     void updateZeroLengthSubpaths();
     52 
     53     Vector<FloatPoint> m_zeroLengthLinecapLocations;
     54 };
     55 
     56 inline RenderSVGPath* toRenderSVGPath(RenderObject* object)
     57 {
     58     ASSERT_WITH_SECURITY_IMPLICATION(!object || object->isSVGPath());
     59     return static_cast<RenderSVGPath*>(object);
     60 }
     61 
     62 }
     63 
     64 #endif
     65