Source/core/html/canvas/CanvasImageSource.h - Issue 907453003: Move overdraw tracking code from GraphicsContext to CanvasRenderingContext2D

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Side by Side Diff: Source/core/html/canvas/CanvasImageSource.h

Issue 907453003: Move overdraw tracking code from GraphicsContext to CanvasRenderingContext2D (Closed) Base URL: svn://svn.chromium.org/blink/trunk

Patch Set: Created 5 years, 10 months ago

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1 /*	1 /*

2 * Copyright (C) 2006, 2007, 2008 Apple Computer, Inc. All rights reserved.	2 * Copyright (C) 2006, 2007, 2008 Apple Computer, Inc. All rights reserved.

3 * Copyright (C) 2007 Alp Toker <alp@atoker.com>	3 * Copyright (C) 2007 Alp Toker <alp@atoker.com>

4 *	4 *

5 * Redistribution and use in source and binary forms, with or without	5 * Redistribution and use in source and binary forms, with or without

6 * modification, are permitted provided that the following conditions	6 * modification, are permitted provided that the following conditions

7 * are met:	7 * are met:

8 * 1. Redistributions of source code must retain the above copyright	8 * 1. Redistributions of source code must retain the above copyright

9 * notice, this list of conditions and the following disclaimer.	9 * notice, this list of conditions and the following disclaimer.

10 * 2. Redistributions in binary form must reproduce the above copyright	10 * 2. Redistributions in binary form must reproduce the above copyright

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61 virtual bool isVideoElement() const { return false; }	61 virtual bool isVideoElement() const { return false; }

62 virtual bool isCanvasElement() const { return false; }	62 virtual bool isCanvasElement() const { return false; }

63	63

64 // Adjusts the source and destination rectangles for cases where the actual	64 // Adjusts the source and destination rectangles for cases where the actual

65 // source image is a subregion of the image returned by getSourceImageForCan vas.	65 // source image is a subregion of the image returned by getSourceImageForCan vas.

66 virtual void adjustDrawRects(FloatRect* srcRect, FloatRect* dstRect) const { }	66 virtual void adjustDrawRects(FloatRect* srcRect, FloatRect* dstRect) const { }

67	67

68 virtual FloatSize sourceSize() const = 0;	68 virtual FloatSize sourceSize() const = 0;

69 virtual FloatSize defaultDestinationSize() const { return sourceSize(); }	69 virtual FloatSize defaultDestinationSize() const { return sourceSize(); }

70 virtual const KURL& sourceURL() const { return blankURL(); }	70 virtual const KURL& sourceURL() const { return blankURL(); }

	71 virtual bool isOpaque() const { return false; }

71	72

72 protected:	73 protected:

73 virtual ~CanvasImageSource() { }	74 virtual ~CanvasImageSource() { }

74 };	75 };

75	76

76 } // namespace blink	77 } // namespace blink

77	78

78 #endif	79 #endif

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