1 /* 2 * Copyright (C) 2006 Apple Computer, Inc. 3 * Copyright (C) 2007 Nikolas Zimmermann <zimmermann@kde.org> 4 * Copyright (C) Research In Motion Limited 2010-2012. 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 #include "core/rendering/svg/RenderSVGBlock.h" 26 #include "core/rendering/svg/SVGTextLayoutAttributesBuilder.h" 27 #include "platform/transforms/AffineTransform.h" 28 29 namespace blink { 30 31 class RenderSVGInlineText; 32 class SVGTextElement; 33 class RenderSVGInlineText; 34 35 class RenderSVGText FINAL : public RenderSVGBlock { 36 public: 37 explicit RenderSVGText(SVGTextElement*); 38 virtual ~RenderSVGText(); 39 40 virtual bool isChildAllowed(RenderObject*, RenderStyle*) const OVERRIDE; 41 setNeedsPositioningValuesUpdate()42 void setNeedsPositioningValuesUpdate() { m_needsPositioningValuesUpdate = true; } setNeedsTransformUpdate()43 virtual void setNeedsTransformUpdate() OVERRIDE { m_needsTransformUpdate = true; } setNeedsTextMetricsUpdate()44 void setNeedsTextMetricsUpdate() { m_needsTextMetricsUpdate = true; } 45 virtual FloatRect paintInvalidationRectInLocalCoordinates() const OVERRIDE; 46 47 static RenderSVGText* locateRenderSVGTextAncestor(RenderObject*); 48 static const RenderSVGText* locateRenderSVGTextAncestor(const RenderObject*); 49 needsReordering()50 bool needsReordering() const { return m_needsReordering; } layoutAttributes()51 Vector<SVGTextLayoutAttributes*>& layoutAttributes() { return m_layoutAttributes; } 52 53 void subtreeChildWasAdded(RenderObject*); 54 void subtreeChildWillBeRemoved(RenderObject*, Vector<SVGTextLayoutAttributes*, 2>& affectedAttributes); 55 void subtreeChildWasRemoved(const Vector<SVGTextLayoutAttributes*, 2>& affectedAttributes); 56 void subtreeStyleDidChange(); 57 void subtreeTextDidChange(RenderSVGInlineText*); 58 localToParentTransform()59 virtual const AffineTransform& localToParentTransform() const OVERRIDE { return m_localTransform; } 60 61 private: renderName()62 virtual const char* renderName() const OVERRIDE { return "RenderSVGText"; } isSVGText()63 virtual bool isSVGText() const OVERRIDE { return true; } 64 65 virtual void paint(PaintInfo&, const LayoutPoint&) OVERRIDE; 66 virtual bool nodeAtFloatPoint(const HitTestRequest&, HitTestResult&, const FloatPoint& pointInParent, HitTestAction) OVERRIDE; 67 virtual PositionWithAffinity positionForPoint(const LayoutPoint&) OVERRIDE; 68 69 virtual void layout() OVERRIDE; 70 71 virtual void absoluteQuads(Vector<FloatQuad>&, bool* wasFixed) const OVERRIDE; 72 73 virtual void mapRectToPaintInvalidationBacking(const RenderLayerModelObject* paintInvalidationContainer, LayoutRect&, const PaintInvalidationState*) const OVERRIDE; 74 75 virtual void addChild(RenderObject* child, RenderObject* beforeChild = 0) OVERRIDE; 76 virtual void removeChild(RenderObject*) OVERRIDE; 77 virtual void willBeDestroyed() OVERRIDE; 78 objectBoundingBox()79 virtual FloatRect objectBoundingBox() const OVERRIDE { return frameRect(); } 80 virtual FloatRect strokeBoundingBox() const OVERRIDE; 81 82 virtual RootInlineBox* createRootInlineBox() OVERRIDE; 83 84 bool shouldHandleSubtreeMutations() const; 85 86 bool m_needsReordering : 1; 87 bool m_needsPositioningValuesUpdate : 1; 88 bool m_needsTransformUpdate : 1; 89 bool m_needsTextMetricsUpdate : 1; 90 SVGTextLayoutAttributesBuilder m_layoutAttributesBuilder; 91 Vector<SVGTextLayoutAttributes*> m_layoutAttributes; 92 }; 93 94 DEFINE_RENDER_OBJECT_TYPE_CASTS(RenderSVGText, isSVGText()); 95 96 } 97 98 #endif 99