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1 /* | 1 /* |
2 * Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org> | 2 * Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org> |
3 * Copyright (C) 2004, 2005 Rob Buis <buis@kde.org> | 3 * Copyright (C) 2004, 2005 Rob Buis <buis@kde.org> |
4 * Copyright (C) 2005 Eric Seidel <eric@webkit.org> | 4 * Copyright (C) 2005 Eric Seidel <eric@webkit.org> |
5 * Copyright (C) 2006 Apple Computer, Inc | 5 * Copyright (C) 2006 Apple Computer, Inc |
6 * Copyright (C) 2009 Google, Inc. | 6 * Copyright (C) 2009 Google, Inc. |
7 * Copyright (C) 2011 Renata Hodovan <reni@webkit.org> | 7 * Copyright (C) 2011 Renata Hodovan <reni@webkit.org> |
8 * Copyright (C) 2011 University of Szeged | 8 * Copyright (C) 2011 University of Szeged |
9 * | 9 * |
10 * This library is free software; you can redistribute it and/or | 10 * This library is free software; you can redistribute it and/or |
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29 #include "core/rendering/svg/RenderSVGModelObject.h" | 29 #include "core/rendering/svg/RenderSVGModelObject.h" |
30 #include "core/rendering/svg/SVGMarkerData.h" | 30 #include "core/rendering/svg/SVGMarkerData.h" |
31 #include "platform/geometry/FloatRect.h" | 31 #include "platform/geometry/FloatRect.h" |
32 #include "platform/transforms/AffineTransform.h" | 32 #include "platform/transforms/AffineTransform.h" |
33 #include "wtf/OwnPtr.h" | 33 #include "wtf/OwnPtr.h" |
34 #include "wtf/Vector.h" | 34 #include "wtf/Vector.h" |
35 | 35 |
36 namespace blink { | 36 namespace blink { |
37 | 37 |
38 class FloatPoint; | 38 class FloatPoint; |
39 class GraphicsContextStateSaver; | |
40 class PointerEventsHitRules; | 39 class PointerEventsHitRules; |
41 class SVGGraphicsElement; | 40 class SVGGraphicsElement; |
42 | 41 |
| 42 enum ShapeGeometryCodePath { |
| 43 PathGeometry, |
| 44 RectGeometryFastPath, |
| 45 EllipseGeometryFastPath |
| 46 }; |
| 47 |
43 class RenderSVGShape : public RenderSVGModelObject { | 48 class RenderSVGShape : public RenderSVGModelObject { |
44 public: | 49 public: |
45 explicit RenderSVGShape(SVGGraphicsElement*); | 50 explicit RenderSVGShape(SVGGraphicsElement*); |
46 virtual ~RenderSVGShape(); | 51 virtual ~RenderSVGShape(); |
47 | 52 |
48 void setNeedsShapeUpdate() { m_needsShapeUpdate = true; } | 53 void setNeedsShapeUpdate() { m_needsShapeUpdate = true; } |
49 virtual void setNeedsBoundariesUpdate() override final { m_needsBoundariesUp
date = true; } | 54 virtual void setNeedsBoundariesUpdate() override final { m_needsBoundariesUp
date = true; } |
50 virtual void setNeedsTransformUpdate() override final { m_needsTransformUpda
te = true; } | 55 virtual void setNeedsTransformUpdate() override final { m_needsTransformUpda
te = true; } |
51 virtual void fillShape(GraphicsContext*) const; | |
52 virtual void strokeShape(GraphicsContext*) const; | |
53 | 56 |
54 bool nodeAtFloatPointInternal(const HitTestRequest&, const FloatPoint&, Poin
terEventsHitRules); | 57 bool nodeAtFloatPointInternal(const HitTestRequest&, const FloatPoint&, Poin
terEventsHitRules); |
55 | 58 |
56 Path& path() const | 59 Path& path() const |
57 { | 60 { |
58 ASSERT(m_path); | 61 ASSERT(m_path); |
59 return *m_path; | 62 return *m_path; |
60 } | 63 } |
| 64 bool hasPath() const { return m_path.get(); } |
61 | 65 |
62 virtual bool isShapeEmpty() const { return path().isEmpty(); } | 66 virtual bool isShapeEmpty() const { return path().isEmpty(); } |
63 | 67 |
| 68 virtual FloatRect paintInvalidationRectInLocalCoordinates() const override f
inal { return m_paintInvalidationBoundingBox; } |
| 69 |
| 70 bool hasNonScalingStroke() const { return style()->svgStyle().vectorEffect()
== VE_NON_SCALING_STROKE; } |
| 71 Path* nonScalingStrokePath(const Path*, const AffineTransform&) const; |
| 72 AffineTransform nonScalingStrokeTransform() const; |
| 73 virtual AffineTransform localTransform() const override final { return m_loc
alTransform; } |
| 74 |
| 75 virtual const Vector<MarkerPosition>* markerPositions() const { return 0; } |
| 76 |
| 77 float strokeWidth() const; |
| 78 |
| 79 virtual ShapeGeometryCodePath geometryCodePath() const { return PathGeometry
; } |
| 80 virtual const Vector<FloatPoint>* zeroLengthLineCaps() const { return 0; } |
| 81 |
| 82 virtual FloatRect objectBoundingBox() const override final { return m_fillBo
undingBox; } |
| 83 |
64 protected: | 84 protected: |
65 virtual void updateShapeFromElement(); | 85 virtual void updateShapeFromElement(); |
66 virtual bool shapeDependentStrokeContains(const FloatPoint&); | 86 virtual bool shapeDependentStrokeContains(const FloatPoint&); |
67 virtual bool shapeDependentFillContains(const FloatPoint&, const WindRule) c
onst; | 87 virtual bool shapeDependentFillContains(const FloatPoint&, const WindRule) c
onst; |
68 float strokeWidth() const; | |
69 bool hasPath() const { return m_path.get(); } | |
70 bool hasSmoothStroke() const; | 88 bool hasSmoothStroke() const; |
71 | 89 |
72 bool hasNonScalingStroke() const { return style()->svgStyle().vectorEffect()
== VE_NON_SCALING_STROKE; } | 90 // Give RenderSVGPath a hook for updating markers in updateShapeFromElement. |
73 AffineTransform nonScalingStrokeTransform() const; | 91 virtual void processMarkerPositions() { }; |
74 Path* nonScalingStrokePath(const Path*, const AffineTransform&) const; | |
75 | 92 |
76 FloatRect m_fillBoundingBox; | 93 FloatRect m_fillBoundingBox; |
77 FloatRect m_strokeBoundingBox; | 94 FloatRect m_strokeBoundingBox; |
78 | 95 |
79 private: | 96 private: |
80 // Hit-detection separated for the fill and the stroke | 97 // Hit-detection separated for the fill and the stroke |
81 bool fillContains(const FloatPoint&, bool requiresFill = true, const WindRul
e fillRule = RULE_NONZERO); | 98 bool fillContains(const FloatPoint&, bool requiresFill = true, const WindRul
e fillRule = RULE_NONZERO); |
82 bool strokeContains(const FloatPoint&, bool requiresStroke = true); | 99 bool strokeContains(const FloatPoint&, bool requiresStroke = true); |
83 | 100 |
84 virtual FloatRect paintInvalidationRectInLocalCoordinates() const override f
inal { return m_paintInvalidationBoundingBox; } | |
85 virtual const AffineTransform& localToParentTransform() const override final
{ return m_localTransform; } | 101 virtual const AffineTransform& localToParentTransform() const override final
{ return m_localTransform; } |
86 virtual AffineTransform localTransform() const override final { return m_loc
alTransform; } | |
87 | 102 |
88 virtual bool isOfType(RenderObjectType type) const override { return type ==
RenderObjectSVGShape || RenderSVGModelObject::isOfType(type); } | 103 virtual bool isOfType(RenderObjectType type) const override { return type ==
RenderObjectSVGShape || RenderSVGModelObject::isOfType(type); } |
89 virtual const char* renderName() const override { return "RenderSVGShape"; } | 104 virtual const char* renderName() const override { return "RenderSVGShape"; } |
90 | 105 |
91 virtual void layout() override final; | 106 virtual void layout() override final; |
92 virtual void paint(PaintInfo&, const LayoutPoint&) override final; | 107 virtual void paint(PaintInfo&, const LayoutPoint&) override final; |
93 virtual void addFocusRingRects(Vector<LayoutRect>&, const LayoutPoint& addit
ionalOffset, const RenderLayerModelObject* paintContainer) const override final; | 108 virtual void addFocusRingRects(Vector<LayoutRect>&, const LayoutPoint& addit
ionalOffset, const RenderLayerModelObject* paintContainer) const override final; |
94 | 109 |
95 virtual bool nodeAtFloatPoint(const HitTestRequest&, HitTestResult&, const F
loatPoint& pointInParent, HitTestAction) override final; | 110 virtual bool nodeAtFloatPoint(const HitTestRequest&, HitTestResult&, const F
loatPoint& pointInParent, HitTestAction) override final; |
96 | 111 |
97 virtual FloatRect objectBoundingBox() const override final { return m_fillBo
undingBox; } | |
98 virtual FloatRect strokeBoundingBox() const override final { return m_stroke
BoundingBox; } | 112 virtual FloatRect strokeBoundingBox() const override final { return m_stroke
BoundingBox; } |
99 FloatRect calculateObjectBoundingBox() const; | 113 FloatRect calculateObjectBoundingBox() const; |
100 FloatRect calculateStrokeBoundingBox() const; | 114 FloatRect calculateStrokeBoundingBox() const; |
101 void updatePaintInvalidationBoundingBox(); | 115 void updatePaintInvalidationBoundingBox(); |
102 | 116 |
103 bool setupNonScalingStrokeContext(AffineTransform&, GraphicsContextStateSave
r&); | |
104 | |
105 bool shouldGenerateMarkerPositions() const; | |
106 FloatRect markerRect(float strokeWidth) const; | |
107 void processMarkerPositions(); | |
108 | |
109 void paintMarkers(PaintInfo&); | |
110 | |
111 private: | 117 private: |
112 FloatRect m_paintInvalidationBoundingBox; | 118 FloatRect m_paintInvalidationBoundingBox; |
113 AffineTransform m_localTransform; | 119 AffineTransform m_localTransform; |
114 OwnPtr<Path> m_path; | 120 OwnPtr<Path> m_path; |
115 Vector<MarkerPosition> m_markerPositions; | |
116 | 121 |
117 bool m_needsBoundariesUpdate : 1; | 122 bool m_needsBoundariesUpdate : 1; |
118 bool m_needsShapeUpdate : 1; | 123 bool m_needsShapeUpdate : 1; |
119 bool m_needsTransformUpdate : 1; | 124 bool m_needsTransformUpdate : 1; |
120 }; | 125 }; |
121 | 126 |
122 DEFINE_RENDER_OBJECT_TYPE_CASTS(RenderSVGShape, isSVGShape()); | 127 DEFINE_RENDER_OBJECT_TYPE_CASTS(RenderSVGShape, isSVGShape()); |
123 | 128 |
124 } | 129 } |
125 | 130 |
126 #endif | 131 #endif |
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