Home | History | Annotate | Download | only in rendering
      1 /*
      2     Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann (at) kde.org>
      3                   2004, 2005, 2007 Rob Buis <buis (at) kde.org>
      4     Copyright (C) 2009 Google, Inc.  All rights reserved.
      5     Copyright (C) 2009 Apple Inc. All rights reserved.
      6 
      7     This library is free software; you can redistribute it and/or
      8     modify it under the terms of the GNU Library General Public
      9     License as published by the Free Software Foundation; either
     10     version 2 of the License, or (at your option) any later version.
     11 
     12     This library is distributed in the hope that it will be useful,
     13     but WITHOUT ANY WARRANTY; without even the implied warranty of
     14     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     15     Library General Public License for more details.
     16 
     17     You should have received a copy of the GNU Library General Public License
     18     aint with this library; see the file COPYING.LIB.  If not, write to
     19     the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     20     Boston, MA 02110-1301, USA.
     21 */
     22 
     23 #ifndef RenderSVGRoot_h
     24 #define RenderSVGRoot_h
     25 
     26 #if ENABLE(SVG)
     27 #include "RenderBox.h"
     28 #include "FloatRect.h"
     29 #include "SVGRenderSupport.h"
     30 
     31 namespace WebCore {
     32 
     33 class SVGStyledElement;
     34 class AffineTransform;
     35 
     36 class RenderSVGRoot : public RenderBox, protected SVGRenderBase {
     37 public:
     38     RenderSVGRoot(SVGStyledElement*);
     39 
     40     const RenderObjectChildList* children() const { return &m_children; }
     41     RenderObjectChildList* children() { return &m_children; }
     42 
     43 private:
     44     virtual RenderObjectChildList* virtualChildren() { return children(); }
     45     virtual const RenderObjectChildList* virtualChildren() const { return children(); }
     46 
     47     virtual bool isSVGRoot() const { return true; }
     48     virtual const char* renderName() const { return "RenderSVGRoot"; }
     49 
     50     virtual int lineHeight(bool b, bool isRootLineBox = false) const;
     51     virtual int baselinePosition(bool b, bool isRootLineBox = false) const;
     52     virtual void calcPrefWidths();
     53 
     54     virtual void layout();
     55     virtual void paint(PaintInfo&, int parentX, int parentY);
     56 
     57     virtual const AffineTransform& localToParentTransform() const;
     58 
     59     bool fillContains(const FloatPoint&) const;
     60     bool strokeContains(const FloatPoint&) const;
     61 
     62     virtual FloatRect objectBoundingBox() const;
     63     virtual FloatRect strokeBoundingBox() const { return computeContainerBoundingBox(this, true); }
     64     virtual FloatRect repaintRectInLocalCoordinates() const;
     65 
     66     // FIXME: This override should be removed.
     67     virtual AffineTransform localTransform() const;
     68 
     69     virtual bool nodeAtPoint(const HitTestRequest&, HitTestResult&, int x, int y, int tx, int ty, HitTestAction);
     70 
     71     virtual void computeRectForRepaint(RenderBoxModelObject* repaintContainer, IntRect& repaintRect, bool fixed);
     72 
     73     virtual void mapLocalToContainer(RenderBoxModelObject* repaintContainer, bool useTransforms, bool fixed, TransformState&) const;
     74 
     75     void calcViewport();
     76 
     77     bool selfWillPaint() const;
     78 
     79     IntSize parentOriginToBorderBox() const;
     80     IntSize borderOriginToContentBox() const;
     81     AffineTransform localToRepaintContainerTransform(const IntPoint& parentOriginInContainer) const;
     82     AffineTransform localToBorderBoxTransform() const;
     83 
     84     RenderObjectChildList m_children;
     85     FloatSize m_viewportSize;
     86     mutable AffineTransform m_localToParentTransform;
     87 };
     88 
     89 inline RenderSVGRoot* toRenderSVGRoot(RenderObject* object)
     90 {
     91     ASSERT(!object || object->isSVGRoot());
     92     return static_cast<RenderSVGRoot*>(object);
     93 }
     94 
     95 inline const RenderSVGRoot* toRenderSVGRoot(const RenderObject* object)
     96 {
     97     ASSERT(!object || object->isSVGRoot());
     98     return static_cast<const RenderSVGRoot*>(object);
     99 }
    100 
    101 // This will catch anyone doing an unnecessary cast.
    102 void toRenderSVGRoot(const RenderSVGRoot*);
    103 
    104 } // namespace WebCore
    105 
    106 #endif // ENABLE(SVG)
    107 #endif // RenderSVGRoot_h
    108 
    109 // vim:ts=4:noet
    110