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1 /* | 1 /* |
2 * Copyright (C) 2008 Apple Computer, Inc. All rights reserved. | 2 * Copyright (C) 2008 Apple Computer, 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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28 | 28 |
29 #include "core/platform/graphics/Image.h" | 29 #include "core/platform/graphics/Image.h" |
30 | 30 |
31 #include "core/platform/graphics/IntSize.h" | 31 #include "core/platform/graphics/IntSize.h" |
32 #include "wtf/RefPtr.h" | 32 #include "wtf/RefPtr.h" |
33 | 33 |
34 namespace WebCore { | 34 namespace WebCore { |
35 | 35 |
36 class GeneratedImage : public Image { | 36 class GeneratedImage : public Image { |
37 public: | 37 public: |
38 virtual bool hasSingleSecurityOrigin() const { return true; } | 38 virtual bool hasSingleSecurityOrigin() const OVERRIDE { return true; } |
39 | 39 |
40 virtual void setContainerSize(const IntSize& size) { m_size = size; } | 40 virtual void setContainerSize(const IntSize& size) OVERRIDE { m_size = size;
} |
41 virtual bool usesContainerSize() const { return true; } | 41 virtual bool usesContainerSize() const OVERRIDE { return true; } |
42 virtual bool hasRelativeWidth() const { return true; } | 42 virtual bool hasRelativeWidth() const OVERRIDE { return true; } |
43 virtual bool hasRelativeHeight() const { return true; } | 43 virtual bool hasRelativeHeight() const OVERRIDE { return true; } |
44 virtual void computeIntrinsicDimensions(Length& intrinsicWidth, Length& intr
insicHeight, FloatSize& intrinsicRatio); | 44 virtual void computeIntrinsicDimensions(Length& intrinsicWidth, Length& intr
insicHeight, FloatSize& intrinsicRatio) OVERRIDE; |
45 | 45 |
46 virtual IntSize size() const { return m_size; } | 46 virtual IntSize size() const OVERRIDE { return m_size; } |
47 | 47 |
48 // Assume that generated content has no decoded data we need to worry about | 48 // Assume that generated content has no decoded data we need to worry about |
49 virtual void destroyDecodedData(bool /*destroyAll*/ = true) { } | 49 virtual void destroyDecodedData() OVERRIDE { } |
50 virtual unsigned decodedSize() const { return 0; } | 50 virtual unsigned decodedSize() const OVERRIDE { return 0; } |
51 | 51 |
52 virtual void reportMemoryUsage(MemoryObjectInfo*) const OVERRIDE; | 52 virtual void reportMemoryUsage(MemoryObjectInfo*) const OVERRIDE; |
53 | 53 |
54 protected: | 54 protected: |
55 virtual void draw(GraphicsContext*, const FloatRect& dstRect, const FloatRec
t& srcRect, ColorSpace styleColorSpace, CompositeOperator, BlendMode) = 0; | |
56 virtual void drawPattern(GraphicsContext*, const FloatRect& srcRect, const A
ffineTransform& patternTransform, | 55 virtual void drawPattern(GraphicsContext*, const FloatRect& srcRect, const A
ffineTransform& patternTransform, |
57 const FloatPoint& phase, ColorSpace styleColorSpace, CompositeOperator,
const FloatRect& destRect, BlendMode) = 0; | 56 const FloatPoint& phase, ColorSpace styleColorSpace, CompositeOperator,
const FloatRect& destRect, BlendMode) OVERRIDE = 0; |
58 | 57 |
59 // FIXME: Implement this to be less conservative. | 58 // FIXME: Implement this to be less conservative. |
60 virtual bool currentFrameKnownToBeOpaque() OVERRIDE { return false; } | 59 virtual bool currentFrameKnownToBeOpaque() OVERRIDE { return false; } |
61 | 60 |
62 GeneratedImage() { } | 61 GeneratedImage() { } |
63 | 62 |
64 IntSize m_size; | 63 IntSize m_size; |
65 }; | 64 }; |
66 | 65 |
67 } | 66 } |
68 | 67 |
69 #endif | 68 #endif |
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