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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 isOffscreenCanvas() const { return false; } | 61 virtual bool isOffscreenCanvas() const { return false; } |
62 | 62 |
63 // Adjusts the source and destination rectangles for cases where the actual | 63 // Adjusts the source and destination rectangles for cases where the actual |
64 // source image is a subregion of the image returned by getSourceImageForCan
vas. | 64 // source image is a subregion of the image returned by getSourceImageForCan
vas. |
65 virtual void adjustDrawRects(FloatRect* srcRect, FloatRect* dstRect) const {
} | 65 virtual void adjustDrawRects(FloatRect* srcRect, FloatRect* dstRect) const {
} |
66 | 66 |
67 virtual FloatSize elementSize(const FloatSize& defaultObjectSize) const = 0; | 67 virtual FloatSize elementSize(const FloatSize& defaultObjectSize) const = 0; |
68 virtual FloatSize defaultDestinationSize(const FloatSize& defaultObjectSize)
const { return elementSize(defaultObjectSize); } | 68 virtual FloatSize defaultDestinationSize(const FloatSize& defaultObjectSize)
const { return elementSize(defaultObjectSize); } |
69 virtual const KURL& sourceURL() const { return blankURL(); } | 69 virtual const KURL& sourceURL() const { return blankURL(); } |
70 virtual bool isOpaque() const { return false; } | 70 virtual bool isOpaque() const { return false; } |
| 71 virtual bool isAccelerated() const = 0; |
71 | 72 |
72 virtual int sourceWidth() = 0; | 73 virtual int sourceWidth() = 0; |
73 virtual int sourceHeight() = 0; | 74 virtual int sourceHeight() = 0; |
74 | 75 |
75 protected: | 76 protected: |
76 virtual ~CanvasImageSource() { } | 77 virtual ~CanvasImageSource() { } |
77 }; | 78 }; |
78 | 79 |
79 } // namespace blink | 80 } // namespace blink |
80 | 81 |
81 #endif | 82 #endif |
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