third_party/WebKit/Source/core/html/canvas/CanvasRenderingContext.h - Issue 1654653002: Canvas2d: Implement rerouting event by hit region's control.

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Issue 1654653002: Canvas2d: Implement rerouting event by hit region's control. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: Created 4 years, 9 months ago

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1 /*	1 /*

2 * Copyright (C) 2009 Apple Inc. All rights reserved.	2 * Copyright (C) 2009 Apple Inc. All rights reserved.

3 *	3 *

4 * Redistribution and use in source and binary forms, with or without	4 * Redistribution and use in source and binary forms, with or without

5 * modification, are permitted provided that the following conditions	5 * modification, are permitted provided that the following conditions

6 * are met:	6 * are met:

7 * 1. Redistributions of source code must retain the above copyright	7 * 1. Redistributions of source code must retain the above copyright

8 * notice, this list of conditions and the following disclaimer.	8 * notice, this list of conditions and the following disclaimer.

9 * 2. Redistributions in binary form must reproduce the above copyright	9 * 2. Redistributions in binary form must reproduce the above copyright

10 * notice, this list of conditions and the following disclaimer in the	10 * notice, this list of conditions and the following disclaimer in the

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101 // Canvas2D-specific interface	101 // Canvas2D-specific interface

102 virtual bool is2d() const { return false; }	102 virtual bool is2d() const { return false; }

103 virtual void restoreCanvasMatrixClipStack(SkCanvas*) const { }	103 virtual void restoreCanvasMatrixClipStack(SkCanvas*) const { }

104 virtual void reset() { }	104 virtual void reset() { }

105 virtual void clearRect(double x, double y, double width, double height) { }	105 virtual void clearRect(double x, double y, double width, double height) { }

106 virtual void didSetSurfaceSize() { }	106 virtual void didSetSurfaceSize() { }

107 virtual void setShouldAntialias(bool) { }	107 virtual void setShouldAntialias(bool) { }

108 virtual unsigned hitRegionsCount() const { return 0; }	108 virtual unsigned hitRegionsCount() const { return 0; }

109 virtual void setFont(const String&) { }	109 virtual void setFont(const String&) { }

110 virtual void styleDidChange(const ComputedStyle* oldStyle, const ComputedSty le& newStyle) { }	110 virtual void styleDidChange(const ComputedStyle* oldStyle, const ComputedSty le& newStyle) { }

	111 virtual std::pair<Element*, String> getControlAndIdIfHitRegionExists(const L ayoutPoint& location) { ASSERT_NOT_REACHED(); return std::make_pair(nullptr, Str ing()); }

111	112

112 // WebGL-specific interface	113 // WebGL-specific interface

113 virtual bool is3d() const { return false; }	114 virtual bool is3d() const { return false; }

114 virtual void setFilterQuality(SkFilterQuality) { ASSERT_NOT_REACHED(); }	115 virtual void setFilterQuality(SkFilterQuality) { ASSERT_NOT_REACHED(); }

115 virtual void reshape(int width, int height) { ASSERT_NOT_REACHED(); }	116 virtual void reshape(int width, int height) { ASSERT_NOT_REACHED(); }

116 virtual void markLayerComposited() { ASSERT_NOT_REACHED(); }	117 virtual void markLayerComposited() { ASSERT_NOT_REACHED(); }

117 virtual ImageData* paintRenderingResultsToImageData(SourceDrawingBuffer) { A SSERT_NOT_REACHED(); return nullptr; }	118 virtual ImageData* paintRenderingResultsToImageData(SourceDrawingBuffer) { A SSERT_NOT_REACHED(); return nullptr; }

118 virtual int externallyAllocatedBytesPerPixel() { ASSERT_NOT_REACHED(); retur n 0; }	119 virtual int externallyAllocatedBytesPerPixel() { ASSERT_NOT_REACHED(); retur n 0; }

119	120

120 // ImageBitmap-specific interface	121 // ImageBitmap-specific interface

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131	132

132 private:	133 private:

133 RawPtrWillBeMember<HTMLCanvasElement> m_canvas;	134 RawPtrWillBeMember<HTMLCanvasElement> m_canvas;

134 HashSet<String> m_cleanURLs;	135 HashSet<String> m_cleanURLs;

135 HashSet<String> m_dirtyURLs;	136 HashSet<String> m_dirtyURLs;

136 };	137 };

137	138

138 } // namespace blink	139 } // namespace blink

139	140

140 #endif	141 #endif

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