• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1 /*
2  * Copyright (C) 2006 Apple Computer, Inc.
3  * Copyright (C) 2007 Nikolas Zimmermann <zimmermann@kde.org>
4  * Copyright (C) Research In Motion Limited 2010. All rights reserved.
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Library General Public
8  * License as published by the Free Software Foundation; either
9  * version 2 of the License, or (at your option) any later version.
10  *
11  * This library is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14  * Library General Public License for more details.
15  *
16  * You should have received a copy of the GNU Library General Public License
17  * along with this library; see the file COPYING.LIB.  If not, write to
18  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
19  * Boston, MA 02110-1301, USA.
20  */
21 
22 #ifndef RenderSVGText_h
23 #define RenderSVGText_h
24 
25 #if ENABLE(SVG)
26 
27 #include "AffineTransform.h"
28 #include "RenderSVGBlock.h"
29 #include "SVGTextLayoutAttributes.h"
30 
31 namespace WebCore {
32 
33 class SVGTextElement;
34 
35 class RenderSVGText : public RenderSVGBlock {
36 public:
37     RenderSVGText(SVGTextElement*);
38 
39     virtual bool isChildAllowed(RenderObject*, RenderStyle*) const;
40 
setNeedsPositioningValuesUpdate()41     void setNeedsPositioningValuesUpdate() { m_needsPositioningValuesUpdate = true; }
setNeedsTransformUpdate()42     virtual void setNeedsTransformUpdate() { m_needsTransformUpdate = true; }
43     virtual FloatRect repaintRectInLocalCoordinates() const;
44 
45     static RenderSVGText* locateRenderSVGTextAncestor(RenderObject*);
46     static const RenderSVGText* locateRenderSVGTextAncestor(const RenderObject*);
47 
layoutAttributes()48     Vector<SVGTextLayoutAttributes>& layoutAttributes() { return m_layoutAttributes; }
needsReordering()49     bool needsReordering() const { return m_needsReordering; }
50 
51 private:
renderName()52     virtual const char* renderName() const { return "RenderSVGText"; }
isSVGText()53     virtual bool isSVGText() const { return true; }
54 
55     virtual void paint(PaintInfo&, int tx, int ty);
56     virtual bool nodeAtPoint(const HitTestRequest&, HitTestResult&, int x, int y, int tx, int ty, HitTestAction);
57     virtual bool nodeAtFloatPoint(const HitTestRequest&, HitTestResult&, const FloatPoint& pointInParent, HitTestAction);
58     virtual VisiblePosition positionForPoint(const IntPoint&);
59 
requiresLayer()60     virtual bool requiresLayer() const { return false; }
61     virtual void layout();
62 
63     virtual void absoluteQuads(Vector<FloatQuad>&);
64 
65     virtual IntRect clippedOverflowRectForRepaint(RenderBoxModelObject* repaintContainer);
66     virtual void computeRectForRepaint(RenderBoxModelObject* repaintContainer, IntRect&, bool fixed = false);
67 
68     virtual void mapLocalToContainer(RenderBoxModelObject* repaintContainer, bool useTransforms, bool fixed, TransformState&) const;
69 
objectBoundingBox()70     virtual FloatRect objectBoundingBox() const { return frameRect(); }
71     virtual FloatRect strokeBoundingBox() const;
72 
localToParentTransform()73     virtual const AffineTransform& localToParentTransform() const { return m_localTransform; }
localTransform()74     virtual AffineTransform localTransform() const { return m_localTransform; }
75     virtual RootInlineBox* createRootInlineBox();
76 
77     virtual RenderBlock* firstLineBlock() const;
78     virtual void updateFirstLetter();
79 
80     bool m_needsReordering : 1;
81     bool m_needsPositioningValuesUpdate : 1;
82     bool m_needsTransformUpdate : 1;
83     AffineTransform m_localTransform;
84     Vector<SVGTextLayoutAttributes> m_layoutAttributes;
85 };
86 
toRenderSVGText(RenderObject * object)87 inline RenderSVGText* toRenderSVGText(RenderObject* object)
88 {
89     ASSERT(!object || object->isSVGText());
90     return static_cast<RenderSVGText*>(object);
91 }
92 
toRenderSVGText(const RenderObject * object)93 inline const RenderSVGText* toRenderSVGText(const RenderObject* object)
94 {
95     ASSERT(!object || object->isSVGText());
96     return static_cast<const RenderSVGText*>(object);
97 }
98 
99 // This will catch anyone doing an unnecessary cast.
100 void toRenderSVGText(const RenderSVGText*);
101 
102 }
103 
104 #endif // ENABLE(SVG)
105 #endif
106