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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 |
| (...skipping 30 matching lines...) Expand all Loading... |
| 41 | 41 |
| 42 enum ShapeGeometryCodePath { | 42 enum ShapeGeometryCodePath { |
| 43 PathGeometry, | 43 PathGeometry, |
| 44 RectGeometryFastPath, | 44 RectGeometryFastPath, |
| 45 EllipseGeometryFastPath | 45 EllipseGeometryFastPath |
| 46 }; | 46 }; |
| 47 | 47 |
| 48 class LayoutSVGShape : public LayoutSVGModelObject { | 48 class LayoutSVGShape : public LayoutSVGModelObject { |
| 49 public: | 49 public: |
| 50 explicit LayoutSVGShape(SVGGeometryElement*); | 50 explicit LayoutSVGShape(SVGGeometryElement*); |
| 51 virtual ~LayoutSVGShape(); | 51 ~LayoutSVGShape() override; |
| 52 | 52 |
| 53 void setNeedsShapeUpdate() { m_needsShapeUpdate = true; } | 53 void setNeedsShapeUpdate() { m_needsShapeUpdate = true; } |
| 54 virtual void setNeedsBoundariesUpdate() override final { m_needsBoundariesUp
date = true; } | 54 void setNeedsBoundariesUpdate() final { m_needsBoundariesUpdate = true; } |
| 55 virtual void setNeedsTransformUpdate() override final { m_needsTransformUpda
te = true; } | 55 void setNeedsTransformUpdate() final { m_needsTransformUpdate = true; } |
| 56 | 56 |
| 57 bool nodeAtFloatPointInternal(const HitTestRequest&, const FloatPoint&, Poin
terEventsHitRules); | 57 bool nodeAtFloatPointInternal(const HitTestRequest&, const FloatPoint&, Poin
terEventsHitRules); |
| 58 | 58 |
| 59 Path& path() const | 59 Path& path() const |
| 60 { | 60 { |
| 61 ASSERT(m_path); | 61 ASSERT(m_path); |
| 62 return *m_path; | 62 return *m_path; |
| 63 } | 63 } |
| 64 | 64 |
| 65 virtual bool isShapeEmpty() const { return path().isEmpty(); } | 65 virtual bool isShapeEmpty() const { return path().isEmpty(); } |
| 66 | 66 |
| 67 bool hasNonScalingStroke() const { return style()->svgStyle().vectorEffect()
== VE_NON_SCALING_STROKE; } | 67 bool hasNonScalingStroke() const { return style()->svgStyle().vectorEffect()
== VE_NON_SCALING_STROKE; } |
| 68 Path* nonScalingStrokePath(const Path*, const AffineTransform&) const; | 68 Path* nonScalingStrokePath(const Path*, const AffineTransform&) const; |
| 69 AffineTransform nonScalingStrokeTransform() const; | 69 AffineTransform nonScalingStrokeTransform() const; |
| 70 virtual AffineTransform localTransform() const override final { return m_loc
alTransform ? *m_localTransform : LayoutSVGModelObject::localTransform(); } | 70 AffineTransform localTransform() const final { return m_localTransform ? *m_
localTransform : LayoutSVGModelObject::localTransform(); } |
| 71 | 71 |
| 72 virtual const Vector<MarkerPosition>* markerPositions() const { return nullp
tr; } | 72 virtual const Vector<MarkerPosition>* markerPositions() const { return nullp
tr; } |
| 73 | 73 |
| 74 float strokeWidth() const; | 74 float strokeWidth() const; |
| 75 | 75 |
| 76 virtual ShapeGeometryCodePath geometryCodePath() const { return PathGeometry
; } | 76 virtual ShapeGeometryCodePath geometryCodePath() const { return PathGeometry
; } |
| 77 virtual const Vector<FloatPoint>* zeroLengthLineCaps() const { return nullpt
r; } | 77 virtual const Vector<FloatPoint>* zeroLengthLineCaps() const { return nullpt
r; } |
| 78 | 78 |
| 79 virtual FloatRect objectBoundingBox() const override final { return m_fillBo
undingBox; } | 79 FloatRect objectBoundingBox() const final { return m_fillBoundingBox; } |
| 80 | 80 |
| 81 virtual const char* name() const override { return "LayoutSVGShape"; } | 81 const char* name() const override { return "LayoutSVGShape"; } |
| 82 | 82 |
| 83 protected: | 83 protected: |
| 84 void clearPath() { m_path.clear(); } | 84 void clearPath() { m_path.clear(); } |
| 85 | 85 |
| 86 // Reconstruct the Path. Subclasses may use geometry knowledge to avoid crea
ting a Path. | 86 // Reconstruct the Path. Subclasses may use geometry knowledge to avoid crea
ting a Path. |
| 87 virtual void updateShapeFromElement(); | 87 virtual void updateShapeFromElement(); |
| 88 | 88 |
| 89 virtual void updateStrokeAndFillBoundingBoxes(); | 89 virtual void updateStrokeAndFillBoundingBoxes(); |
| 90 | 90 |
| 91 // Calculates an inclusive bounding box of this shape as if this shape has | 91 // Calculates an inclusive bounding box of this shape as if this shape has |
| 92 // a stroke. If this shape has a stroke, then m_strokeBoundingBox is returne
d; | 92 // a stroke. If this shape has a stroke, then m_strokeBoundingBox is returne
d; |
| 93 // otherwise, estimates a bounding box (not necessarily tight) that would | 93 // otherwise, estimates a bounding box (not necessarily tight) that would |
| 94 // include this shape's stroke bounding box if it had a stroke. | 94 // include this shape's stroke bounding box if it had a stroke. |
| 95 virtual FloatRect hitTestStrokeBoundingBox() const; | 95 virtual FloatRect hitTestStrokeBoundingBox() const; |
| 96 virtual bool shapeDependentStrokeContains(const FloatPoint&); | 96 virtual bool shapeDependentStrokeContains(const FloatPoint&); |
| 97 virtual bool shapeDependentFillContains(const FloatPoint&, const WindRule) c
onst; | 97 virtual bool shapeDependentFillContains(const FloatPoint&, const WindRule) c
onst; |
| 98 | 98 |
| 99 FloatRect m_fillBoundingBox; | 99 FloatRect m_fillBoundingBox; |
| 100 FloatRect m_strokeBoundingBox; | 100 FloatRect m_strokeBoundingBox; |
| 101 | 101 |
| 102 private: | 102 private: |
| 103 // Hit-detection separated for the fill and the stroke | 103 // Hit-detection separated for the fill and the stroke |
| 104 bool fillContains(const FloatPoint&, bool requiresFill = true, const WindRul
e fillRule = RULE_NONZERO); | 104 bool fillContains(const FloatPoint&, bool requiresFill = true, const WindRul
e fillRule = RULE_NONZERO); |
| 105 bool strokeContains(const FloatPoint&, bool requiresStroke = true); | 105 bool strokeContains(const FloatPoint&, bool requiresStroke = true); |
| 106 | 106 |
| 107 virtual const AffineTransform& localToParentTransform() const override final
{ return m_localTransform ? *m_localTransform : LayoutSVGModelObject::localToPa
rentTransform(); } | 107 const AffineTransform& localToParentTransform() const final { return m_local
Transform ? *m_localTransform : LayoutSVGModelObject::localToParentTransform();
} |
| 108 | 108 |
| 109 virtual bool isOfType(LayoutObjectType type) const override { return type ==
LayoutObjectSVGShape || LayoutSVGModelObject::isOfType(type); } | 109 bool isOfType(LayoutObjectType type) const override { return type == LayoutO
bjectSVGShape || LayoutSVGModelObject::isOfType(type); } |
| 110 virtual void layout() override final; | 110 void layout() final; |
| 111 virtual void paint(const PaintInfo&, const LayoutPoint&) override final; | 111 void paint(const PaintInfo&, const LayoutPoint&) final; |
| 112 virtual void addFocusRingRects(Vector<LayoutRect>&, const LayoutPoint& addit
ionalOffset) const override final; | 112 void addFocusRingRects(Vector<LayoutRect>&, const LayoutPoint& additionalOff
set) const final; |
| 113 | 113 |
| 114 virtual bool nodeAtFloatPoint(HitTestResult&, const FloatPoint& pointInParen
t, HitTestAction) override final; | 114 bool nodeAtFloatPoint(HitTestResult&, const FloatPoint& pointInParent, HitTe
stAction) final; |
| 115 | 115 |
| 116 virtual FloatRect strokeBoundingBox() const override final { return m_stroke
BoundingBox; } | 116 FloatRect strokeBoundingBox() const final { return m_strokeBoundingBox; } |
| 117 | 117 |
| 118 void updatePaintInvalidationBoundingBox(); | 118 void updatePaintInvalidationBoundingBox(); |
| 119 void updateLocalTransform(); | 119 void updateLocalTransform(); |
| 120 | 120 |
| 121 private: | 121 private: |
| 122 OwnPtr<AffineTransform> m_localTransform; | 122 OwnPtr<AffineTransform> m_localTransform; |
| 123 OwnPtr<Path> m_path; | 123 OwnPtr<Path> m_path; |
| 124 | 124 |
| 125 bool m_needsBoundariesUpdate : 1; | 125 bool m_needsBoundariesUpdate : 1; |
| 126 bool m_needsShapeUpdate : 1; | 126 bool m_needsShapeUpdate : 1; |
| 127 bool m_needsTransformUpdate : 1; | 127 bool m_needsTransformUpdate : 1; |
| 128 }; | 128 }; |
| 129 | 129 |
| 130 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutSVGShape, isSVGShape()); | 130 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutSVGShape, isSVGShape()); |
| 131 | 131 |
| 132 } | 132 } |
| 133 | 133 |
| 134 #endif | 134 #endif |
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