Source/core/rendering/svg/SVGRenderingContext.h - Issue 613843002: Clean up SVG rendering API

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Issue 613843002: Clean up SVG rendering API (Closed) Base URL: https://chromium.googlesource.com/chromium/blink.git@master

Patch Set: Created 6 years, 2 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 * Copyright (C) 2012 Zoltan Herczeg <zherczeg@webkit.org>.	7 * Copyright (C) 2012 Zoltan Herczeg <zherczeg@webkit.org>.

8 *	8 *

9 * This library is free software; you can redistribute it and/or	9 * This library is free software; you can redistribute it and/or

10 * modify it under the terms of the GNU Library General Public	10 * modify it under the terms of the GNU Library General Public

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78 void prepareToRenderSVGContent(RenderObject*, PaintInfo&, NeedsGraphicsConte xtSave = DontSaveGraphicsContext);	78 void prepareToRenderSVGContent(RenderObject*, PaintInfo&, NeedsGraphicsConte xtSave = DontSaveGraphicsContext);

79 bool isRenderingPrepared() const { return m_renderingFlags & RenderingPrepar ed; }	79 bool isRenderingPrepared() const { return m_renderingFlags & RenderingPrepar ed; }

80	80

81 static void renderSubtree(GraphicsContext, RenderObject, const AffineTrans form&);	81 static void renderSubtree(GraphicsContext, RenderObject, const AffineTrans form&);

82	82

83 static float calculateScreenFontSizeScalingFactor(const RenderObject*);	83 static float calculateScreenFontSizeScalingFactor(const RenderObject*);

84 static void calculateDeviceSpaceTransformation(const RenderObject*, AffineTr ansform& absoluteTransform);	84 static void calculateDeviceSpaceTransformation(const RenderObject*, AffineTr ansform& absoluteTransform);

85 static FloatRect clampedAbsoluteTargetRect(const FloatRect& absoluteTargetRe ct);	85 static FloatRect clampedAbsoluteTargetRect(const FloatRect& absoluteTargetRe ct);

86 static void clear2DRotation(AffineTransform&);	86 static void clear2DRotation(AffineTransform&);

87	87

88 static IntRect calculateImageBufferRect(const FloatRect& targetRect, const A ffineTransform& absoluteTransform)

89 {

90 return enclosingIntRect(absoluteTransform.mapRect(targetRect));

91 }

92

93 // Support for the buffered-rendering hint.	88 // Support for the buffered-rendering hint.

94 bool bufferForeground(OwnPtr<ImageBuffer>&);	89 bool bufferForeground(OwnPtr<ImageBuffer>&);

95	90

96 private:	91 private:

97 // To properly revert partially successful initializtions in the destructor, we record all successful steps.	92 // To properly revert partially successful initializtions in the destructor, we record all successful steps.

98 enum RenderingFlags {	93 enum RenderingFlags {

99 RenderingPrepared = 1,	94 RenderingPrepared = 1,

100 RestoreGraphicsContext = 1 << 1,	95 RestoreGraphicsContext = 1 << 1,

101 EndOpacityLayer = 1 << 2,	96 EndOpacityLayer = 1 << 2,

102 PostApplyResources = 1 << 3,	97 PostApplyResources = 1 << 3,

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113 IntRect m_savedPaintRect;	108 IntRect m_savedPaintRect;

114 RenderSVGResourceFilter* m_filter;	109 RenderSVGResourceFilter* m_filter;

115 RenderSVGResourceClipper* m_clipper;	110 RenderSVGResourceClipper* m_clipper;

116 RenderSVGResourceClipper::ClipperState m_clipperState;	111 RenderSVGResourceClipper::ClipperState m_clipperState;

117 RenderSVGResourceMasker* m_masker;	112 RenderSVGResourceMasker* m_masker;

118 };	113 };

119	114

120 } // namespace blink	115 } // namespace blink

121	116

122 #endif // SVGRenderingContext_h	117 #endif // SVGRenderingContext_h

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