third_party/WebKit/Source/platform/graphics/ImageBufferSurface.h - Issue 1512803004: Use refs for GraphicsContext

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Issue 1512803004: Use refs for GraphicsContext (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@ScrollbarTheme

Patch Set: Created 5 years 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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66 virtual bool restore() { return false; }	66 virtual bool restore() { return false; }

67 virtual WebLayer* layer() const { return 0; }	67 virtual WebLayer* layer() const { return 0; }

68 virtual bool isAccelerated() const { return false; }	68 virtual bool isAccelerated() const { return false; }

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

70 virtual bool isExpensiveToPaint() { return false; }	70 virtual bool isExpensiveToPaint() { return false; }

71 virtual void setFilterQuality(SkFilterQuality) { }	71 virtual void setFilterQuality(SkFilterQuality) { }

72 virtual void setIsHidden(bool) { }	72 virtual void setIsHidden(bool) { }

73 virtual void setImageBuffer(ImageBuffer*) { }	73 virtual void setImageBuffer(ImageBuffer*) { }

74 virtual PassRefPtr<SkPicture> getPicture();	74 virtual PassRefPtr<SkPicture> getPicture();

75 virtual void finalizeFrame(const FloatRect &dirtyRect) { }	75 virtual void finalizeFrame(const FloatRect &dirtyRect) { }

76 virtual void draw(GraphicsContext*, const FloatRect& destRect, const FloatRe ct& srcRect, SkXfermode::Mode);	76 virtual void draw(GraphicsContext&, const FloatRect& destRect, const FloatRe ct& srcRect, SkXfermode::Mode);

77 virtual void setHasExpensiveOp() { }	77 virtual void setHasExpensiveOp() { }

78 virtual Platform3DObject getBackingTextureHandleForOverwrite() { return 0; }	78 virtual Platform3DObject getBackingTextureHandleForOverwrite() { return 0; }

79 virtual void flush(); // Execute all deferred rendering immediately	79 virtual void flush(); // Execute all deferred rendering immediately

80 virtual void flushGpu() { flush(); } // Like flush, but flushes all the way down to the GPU context if the surface uses the GPU	80 virtual void flushGpu() { flush(); } // Like flush, but flushes all the way down to the GPU context if the surface uses the GPU

81 virtual void prepareSurfaceForPaintingIfNeeded() { }	81 virtual void prepareSurfaceForPaintingIfNeeded() { }

82 virtual bool writePixels(const SkImageInfo& origInfo, const void* pixels, si ze_t rowBytes, int x, int y);	82 virtual bool writePixels(const SkImageInfo& origInfo, const void* pixels, si ze_t rowBytes, int x, int y);

83	83

84 // May return nullptr if the surface is GPU-backed and the GPU context was l ost.	84 // May return nullptr if the surface is GPU-backed and the GPU context was l ost.

85 virtual PassRefPtr<SkImage> newImageSnapshot(AccelerationHint) = 0;	85 virtual PassRefPtr<SkImage> newImageSnapshot(AccelerationHint) = 0;

86	86

87 OpacityMode opacityMode() const { return m_opacityMode; }	87 OpacityMode opacityMode() const { return m_opacityMode; }

88 const IntSize& size() const { return m_size; }	88 const IntSize& size() const { return m_size; }

89 void notifyIsValidChanged(bool isValid) const;	89 void notifyIsValidChanged(bool isValid) const;

90	90

91 protected:	91 protected:

92 ImageBufferSurface(const IntSize&, OpacityMode);	92 ImageBufferSurface(const IntSize&, OpacityMode);

93 void clear();	93 void clear();

94	94

95 private:	95 private:

96 OpacityMode m_opacityMode;	96 OpacityMode m_opacityMode;

97 IntSize m_size;	97 IntSize m_size;

98 };	98 };

99	99

100 } // namespace blink	100 } // namespace blink

101	101

102 #endif	102 #endif

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