Source/core/rendering/svg/SVGRenderSupport.h - Issue 327093003: [RAL] Reduce SVG tree walks

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Issue 327093003: [RAL] Reduce SVG tree walks (Closed) Base URL: svn://svn.chromium.org/blink/trunk

Patch Set: Added svg/repaint/image-with-clip-path.svg to the rebaseline list Created 6 years, 6 months 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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59 // Determines whether a container needs to be laid out because it's filtered and a child is being laid out.	59 // Determines whether a container needs to be laid out because it's filtered and a child is being laid out.

60 static bool filtersForceContainerLayout(RenderObject*);	60 static bool filtersForceContainerLayout(RenderObject*);

61	61

62 // Determines whether the passed point lies in a clipping area	62 // Determines whether the passed point lies in a clipping area

63 static bool pointInClippingArea(RenderObject*, const FloatPoint&);	63 static bool pointInClippingArea(RenderObject*, const FloatPoint&);

64	64

65 static void computeContainerBoundingBoxes(const RenderObject* container, Flo atRect& objectBoundingBox, bool& objectBoundingBoxValid, FloatRect& strokeBoundi ngBox, FloatRect& repaintBoundingBox);	65 static void computeContainerBoundingBoxes(const RenderObject* container, Flo atRect& objectBoundingBox, bool& objectBoundingBoxValid, FloatRect& strokeBoundi ngBox, FloatRect& repaintBoundingBox);

66	66

67 static bool paintInfoIntersectsRepaintRect(const FloatRect& localRepaintRect , const AffineTransform& localTransform, const PaintInfo&);	67 static bool paintInfoIntersectsRepaintRect(const FloatRect& localRepaintRect , const AffineTransform& localTransform, const PaintInfo&);

68	68

	69 static bool parentTransformDidChange(RenderObject*);

	70

69 // Important functions used by nearly all SVG renderers centralizing coordin ate transformations / repaint rect calculations	71 // Important functions used by nearly all SVG renderers centralizing coordin ate transformations / repaint rect calculations

70 static LayoutRect clippedOverflowRectForRepaint(const RenderObject, const R enderLayerModelObject repaintContainer);	72 static LayoutRect clippedOverflowRectForRepaint(const RenderObject, const R enderLayerModelObject repaintContainer);

71 static void computeFloatRectForRepaint(const RenderObject, const RenderLaye rModelObject repaintContainer, FloatRect&, bool fixed);	73 static void computeFloatRectForRepaint(const RenderObject, const RenderLaye rModelObject repaintContainer, FloatRect&, bool fixed);

72 static void mapLocalToContainer(const RenderObject, const RenderLayerModelO bject repaintContainer, TransformState&, bool* wasFixed = 0);	74 static void mapLocalToContainer(const RenderObject, const RenderLayerModelO bject repaintContainer, TransformState&, bool* wasFixed = 0);

73 static const RenderObject* pushMappingToContainer(const RenderObject, const RenderLayerModelObject ancestorToStopAt, RenderGeometryMap&);	75 static const RenderObject* pushMappingToContainer(const RenderObject, const RenderLayerModelObject ancestorToStopAt, RenderGeometryMap&);

74 static bool checkForSVGRepaintDuringLayout(RenderObject*);	76 static bool checkForSVGRepaintDuringLayout(RenderObject*);

75	77

76 // Shared between SVG renderers and resources.	78 // Shared between SVG renderers and resources.

77 static void applyStrokeStyleToContext(GraphicsContext, const RenderStyle, const RenderObject*);	79 static void applyStrokeStyleToContext(GraphicsContext, const RenderStyle, const RenderObject*);

78 static void applyStrokeStyleToStrokeData(StrokeData, const RenderStyle, co nst RenderObject*);	80 static void applyStrokeStyleToStrokeData(StrokeData, const RenderStyle, co nst RenderObject*);

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89	91

90 private:	92 private:

91 static void updateObjectBoundingBox(FloatRect& objectBoundingBox, bool& obje ctBoundingBoxValid, RenderObject* other, FloatRect otherBoundingBox);	93 static void updateObjectBoundingBox(FloatRect& objectBoundingBox, bool& obje ctBoundingBoxValid, RenderObject* other, FloatRect otherBoundingBox);

92 static void invalidateResourcesOfChildren(RenderObject* start);	94 static void invalidateResourcesOfChildren(RenderObject* start);

93 static bool layoutSizeOfNearestViewportChanged(const RenderObject* start);	95 static bool layoutSizeOfNearestViewportChanged(const RenderObject* start);

94 };	96 };

95	97

96 } // namespace WebCore	98 } // namespace WebCore

97	99

98 #endif // SVGRenderSupport_h	100 #endif // SVGRenderSupport_h

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