Source/core/rendering/svg/SVGRenderSupport.h - Issue 802833003: Remove the SVG paint culling optimization

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Issue 802833003: Remove the SVG paint culling optimization (Closed) Base URL: svn://svn.chromium.org/blink/trunk

Patch Set: Update PaintInfo rect when leaving SVG Created 6 years ago

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1 /**	1 /**

2 * Copyright (C) 2007 Rob Buis <buis@kde.org>	2 * Copyright (C) 2007 Rob Buis <buis@kde.org>

3 * Copyright (C) 2007 Nikolas Zimmermann <zimmermann@kde.org>	3 * Copyright (C) 2007 Nikolas Zimmermann <zimmermann@kde.org>

4 * Copyright (C) 2007 Eric Seidel <eric@webkit.org>	4 * Copyright (C) 2007 Eric Seidel <eric@webkit.org>

5 * Copyright (C) 2009 Google, Inc. All rights reserved.	5 * Copyright (C) 2009 Google, Inc. All rights reserved.

6 * Copyright (C) Research In Motion Limited 2010. All rights reserved.	6 * Copyright (C) Research In Motion Limited 2010. All rights reserved.

7 *	7 *

8 * This library is free software; you can redistribute it and/or	8 * This library is free software; you can redistribute it and/or

9 * modify it under the terms of the GNU Library General Public	9 * modify it under the terms of the GNU Library General Public

10 * License as published by the Free Software Foundation; either	10 * License as published by the Free Software Foundation; either

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64 // Determines whether the passed point lies in a clipping area	64 // Determines whether the passed point lies in a clipping area

65 static bool pointInClippingArea(RenderObject*, const FloatPoint&);	65 static bool pointInClippingArea(RenderObject*, const FloatPoint&);

66	66

67 // Transform \|pointInParent\| to \|object\|'s user-space and check if it is	67 // Transform \|pointInParent\| to \|object\|'s user-space and check if it is

68 // within the clipping area. Returns false if the transform is singular or	68 // within the clipping area. Returns false if the transform is singular or

69 // the point is outside the clipping area.	69 // the point is outside the clipping area.

70 static bool transformToUserSpaceAndCheckClipping(RenderObject*, const Affine Transform& localTransform, const FloatPoint& pointInParent, FloatPoint& localPoi nt);	70 static bool transformToUserSpaceAndCheckClipping(RenderObject*, const Affine Transform& localTransform, const FloatPoint& pointInParent, FloatPoint& localPoi nt);

71	71

72 static void computeContainerBoundingBoxes(const RenderObject* container, Flo atRect& objectBoundingBox, bool& objectBoundingBoxValid, FloatRect& strokeBoundi ngBox, FloatRect& paintInvalidationBoundingBox);	72 static void computeContainerBoundingBoxes(const RenderObject* container, Flo atRect& objectBoundingBox, bool& objectBoundingBoxValid, FloatRect& strokeBoundi ngBox, FloatRect& paintInvalidationBoundingBox);

73	73

74 static bool paintInfoIntersectsPaintInvalidationRect(const FloatRect& localP aintInvalidationRect, const AffineTransform& localTransform, const PaintInfo&);

75

76 // Important functions used by nearly all SVG renderers centralizing coordin ate transformations / paint invalidation rect calculations	74 // Important functions used by nearly all SVG renderers centralizing coordin ate transformations / paint invalidation rect calculations

77 static LayoutRect clippedOverflowRectForPaintInvalidation(const RenderObject , const RenderLayerModelObject paintInvalidationContainer, const PaintInvalida tionState*);	75 static LayoutRect clippedOverflowRectForPaintInvalidation(const RenderObject , const RenderLayerModelObject paintInvalidationContainer, const PaintInvalida tionState*);

78 static const RenderSVGRoot& mapRectToSVGRootForPaintInvalidation(const Rende rObject*, const FloatRect& localPaintInvalidationRect, LayoutRect&);	76 static const RenderSVGRoot& mapRectToSVGRootForPaintInvalidation(const Rende rObject*, const FloatRect& localPaintInvalidationRect, LayoutRect&);

79 static void mapLocalToContainer(const RenderObject, const RenderLayerModelO bject paintInvalidationContainer, TransformState&, bool* wasFixed = 0, const Pa intInvalidationState* = 0);	77 static void mapLocalToContainer(const RenderObject, const RenderLayerModelO bject paintInvalidationContainer, TransformState&, bool* wasFixed = 0, const Pa intInvalidationState* = 0);

80 static const RenderObject* pushMappingToContainer(const RenderObject, const RenderLayerModelObject ancestorToStopAt, RenderGeometryMap&);	78 static const RenderObject* pushMappingToContainer(const RenderObject, const RenderLayerModelObject ancestorToStopAt, RenderGeometryMap&);

	79 static const AffineTransform transformToRootBorderBox(const RenderObject&, c onst AffineTransform&);

81	80

82 // Shared between SVG renderers and resources.	81 // Shared between SVG renderers and resources.

83 static void applyStrokeStyleToContext(GraphicsContext, const RenderStyle, const RenderObject*);	82 static void applyStrokeStyleToContext(GraphicsContext, const RenderStyle, const RenderObject*);

84 static void applyStrokeStyleToStrokeData(StrokeData, const RenderStyle, co nst RenderObject*);	83 static void applyStrokeStyleToStrokeData(StrokeData, const RenderStyle, co nst RenderObject*);

85	84

86 // Update the GC state (on \|paintInfo.context\|) for painting \|renderer\|	85 // Update the GC state (on \|paintInfo.context\|) for painting \|renderer\|

87 // using \|style\|. \|resourceMode\| is used to decide between fill/stroke.	86 // using \|style\|. \|resourceMode\| is used to decide between fill/stroke.

88 // Previous state will be saved (if needed) using \|stateSaver\|.	87 // Previous state will be saved (if needed) using \|stateSaver\|.

89 static bool updateGraphicsContext(const PaintInfo&, GraphicsContextStateSave r&, RenderStyle, RenderObject&, RenderSVGResourceMode, const AffineTransform a dditionalPaintServerTransform = 0);	88 static bool updateGraphicsContext(const PaintInfo&, GraphicsContextStateSave r&, RenderStyle, RenderObject&, RenderSVGResourceMode, const AffineTransform a dditionalPaintServerTransform = 0);

90	89

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118 return true;	117 return true;

119 if (child->hasNonIsolatedBlendingDescendants() && !willIsolateBlendingDe scendantsForObject(child))	118 if (child->hasNonIsolatedBlendingDescendants() && !willIsolateBlendingDe scendantsForObject(child))

120 return true;	119 return true;

121 }	120 }

122 return false;	121 return false;

123 }	122 }

124	123

125 } // namespace blink	124 } // namespace blink

126	125

127 #endif // SVGRenderSupport_h	126 #endif // SVGRenderSupport_h

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