Source/platform/graphics/ImageBufferSurface.h - Issue 562583002: Implement image-rendering:pixelated for accelerated 2D canvases.

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Issue 562583002: Implement image-rendering:pixelated for accelerated 2D canvases. (Closed) Base URL: https://chromium.googlesource.com/chromium/blink.git@master

Patch Set: Created 6 years, 3 months ago

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1 /*	1 /*

2 * Copyright (c) 2013, Google Inc. All rights reserved.	2 * Copyright (c) 2013, Google 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 are	5 * modification, are permitted provided that the following conditions are

6 * met:	6 * met:

7 *	7 *

8 * * Redistributions of source code must retain the above copyright	8 * * 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 * * Redistributions in binary form must reproduce the above	10 * * Redistributions in binary form must reproduce the above

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63 virtual void willAccessPixels() { }	63 virtual void willAccessPixels() { }

64 virtual bool isValid() const = 0;	64 virtual bool isValid() const = 0;

65 virtual bool restore() { return false; };	65 virtual bool restore() { return false; };

66 virtual WebLayer* layer() const { return 0; };	66 virtual WebLayer* layer() const { return 0; };

67 virtual bool isAccelerated() const { return false; }	67 virtual bool isAccelerated() const { return false; }

68 virtual Platform3DObject getBackingTexture() const { return 0; }	68 virtual Platform3DObject getBackingTexture() const { return 0; }

69 virtual bool cachedBitmapEnabled() const { return false; }	69 virtual bool cachedBitmapEnabled() const { return false; }

70 virtual const SkBitmap& cachedBitmap() const;	70 virtual const SkBitmap& cachedBitmap() const;

71 virtual void invalidateCachedBitmap() { }	71 virtual void invalidateCachedBitmap() { }

72 virtual void updateCachedBitmapIfNeeded() { }	72 virtual void updateCachedBitmapIfNeeded() { }

	73 virtual void setNearestNeighbor(bool) { }

73 virtual void setIsHidden(bool) { }	74 virtual void setIsHidden(bool) { }

74 virtual void setImageBuffer(ImageBuffer*) { }	75 virtual void setImageBuffer(ImageBuffer*) { }

75 virtual PassRefPtr<SkPicture> getPicture();	76 virtual PassRefPtr<SkPicture> getPicture();

76 virtual void didClearCanvas() { }	77 virtual void didClearCanvas() { }

77 virtual void finalizeFrame(const FloatRect &dirtyRect) { }	78 virtual void finalizeFrame(const FloatRect &dirtyRect) { }

78	79

79 OpacityMode opacityMode() const { return m_opacityMode; }	80 OpacityMode opacityMode() const { return m_opacityMode; }

80 const IntSize& size() const { return m_size; }	81 const IntSize& size() const { return m_size; }

81 void notifyIsValidChanged(bool isValid) const;	82 void notifyIsValidChanged(bool isValid) const;

82	83

83 protected:	84 protected:

84 ImageBufferSurface(const IntSize&, OpacityMode);	85 ImageBufferSurface(const IntSize&, OpacityMode);

85 void clear();	86 void clear();

86	87

87 private:	88 private:

88 OpacityMode m_opacityMode;	89 OpacityMode m_opacityMode;

89 IntSize m_size;	90 IntSize m_size;

90 };	91 };

91	92

92 } // namespace blink	93 } // namespace blink

93	94

94 #endif	95 #endif

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