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