WebCore/RenderPath.h

   1 /*
   2     Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org>
   3                   2004, 2005 Rob Buis <buis@kde.org>
   4                   2005 Eric Seidel <eric@webkit.org>
   5                   2006 Apple Computer, Inc
   6
   7     This file is part of the KDE project
   8
   9     This library is free software; you can redistribute it and/or
  10     modify it under the terms of the GNU Library General Public
  11     License as published by the Free Software Foundation; either
  12     version 2 of the License, or (at your option) any later version.
  13
  14     This library is distributed in the hope that it will be useful,
  15     but WITHOUT ANY WARRANTY; without even the implied warranty of
  16     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17     Library General Public License for more details.
  18
  19     You should have received a copy of the GNU Library General Public License
  20     aint with this library; see the file COPYING.LIB.  If not, write to
  21     the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  22     Boston, MA 02110-1301, USA.
  23 */
  24
  25 #ifndef RenderPath_h
  26 #define RenderPath_h
  27
  28 #if ENABLE(SVG)
  29
  30 #include "TransformationMatrix.h"
  31 #include "FloatRect.h"
  32
  33 #include "RenderObject.h"
  34
  35 namespace WebCore {
  36
  37 class FloatPoint;
  38 class RenderSVGContainer;
  39 class SVGStyledTransformableElement;
  40
  41 class RenderPath : public RenderObject {
  42 public:
  43     RenderPath(SVGStyledTransformableElement*);
  44
  45     // Hit-detection seperated for the fill and the stroke
  46     bool fillContains(const FloatPoint&, bool requiresFill = true) const;
  47     bool strokeContains(const FloatPoint&, bool requiresStroke = true) const;
  48
  49     // Returns an unscaled bounding box (not even including localTransform()) for this vector path
  50     virtual FloatRect relativeBBox(bool includeStroke = true) const;
  51
  52     const Path& path() const;
  53     void setPath(const Path& newPath);
  54
  55     virtual bool isRenderPath() const { return true; }
  56     virtual const char* renderName() const { return "RenderPath"; }
  57
  58     bool calculateLocalTransform();
  59     virtual TransformationMatrix localTransform() const;
  60
  61     virtual void layout();
  62     virtual IntRect clippedOverflowRectForRepaint(RenderBox* repaintContainer);
  63     virtual bool requiresLayer() const { return false; }
  64     virtual int lineHeight(bool b, bool isRootLineBox = false) const;
  65     virtual int baselinePosition(bool b, bool isRootLineBox = false) const;
  66     virtual void paint(PaintInfo&, int parentX, int parentY);
  67
  68     virtual void absoluteRects(Vector<IntRect>&, int tx, int ty, bool topLevel = true);
  69     virtual void absoluteQuads(Vector<FloatQuad>&, bool topLevel = true);
  70     virtual void addFocusRingRects(GraphicsContext*, int tx, int ty);
  71
  72     virtual bool nodeAtPoint(const HitTestRequest&, HitTestResult&, int x, int y, int tx, int ty, HitTestAction);
  73
  74     FloatRect drawMarkersIfNeeded(GraphicsContext*, const FloatRect&, const Path&) const;
  75
  76 private:
  77     FloatPoint mapAbsolutePointToLocal(const FloatPoint&) const;
  78     virtual IntRect outlineBoundsForRepaint(RenderBox* repaintContainer) const;
  79
  80     mutable Path m_path;
  81     mutable FloatRect m_fillBBox;
  82     mutable FloatRect m_strokeBbox;
  83     FloatRect m_markerBounds;
  84     TransformationMatrix m_localTransform;
  85     IntRect m_absoluteBounds;
  86 };
  87
  88 }
  89
  90 #endif // ENABLE(SVG)
  91 #endif
  92
  93 // vim:ts=4:noet