Source/platform/graphics/Canvas2DLayerBridge.h - Issue 358893002: Use newImageSnapshot() to get an image from a Canvas

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Issue 358893002: Use newImageSnapshot() to get an image from a Canvas (Closed) Base URL: https://chromium.googlesource.com/chromium/blink.git@master

Patch Set: Correcting bugs and use new cache mechanism from SkImage Created 6 years, 4 months ago

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« Source/platform/graphics/Canvas2DImageBufferSurface.h ('K') | « Source/platform/graphics/Canvas2DImageBufferSurface.h ('k') | Source/platform/graphics/Canvas2DLayerBridge.cpp » ('j') | Source/platform/graphics/Image.h » ('J')
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1 /*	1 /*

2 * Copyright (C) 2012 Google Inc. All rights reserved.	2 * Copyright (C) 2012 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	5 * modification, are permitted provided that the following conditions

6 * are met:	6 * are met:

7 *	7 *

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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87 size_t bytesAllocated() const { return m_bytesAllocated; }	87 size_t bytesAllocated() const { return m_bytesAllocated; }

88 void limitPendingFrames();	88 void limitPendingFrames();

89 void freeReleasedMailbox();	89 void freeReleasedMailbox();

90 bool hasReleasedMailbox() const;	90 bool hasReleasedMailbox() const;

91 void freeTransientResources();	91 void freeTransientResources();

92 bool hasTransientResources() const;	92 bool hasTransientResources() const;

93 bool isHidden() { return m_isHidden; }	93 bool isHidden() { return m_isHidden; }

94	94

95 void beginDestruction();	95 void beginDestruction();

96	96

	97 PassRefPtr<SkImage> newImageSnapshot();

	98

97 protected:	99 protected:

98 Canvas2DLayerBridge(PassOwnPtr<blink::WebGraphicsContext3DProvider>, PassOwn Ptr<SkDeferredCanvas>, PassRefPtr<SkSurface>, int, OpacityMode);	100 Canvas2DLayerBridge(PassOwnPtr<blink::WebGraphicsContext3DProvider>, PassOwn Ptr<SkDeferredCanvas>, PassRefPtr<SkSurface>, int, OpacityMode);

99 void setRateLimitingEnabled(bool);	101 void setRateLimitingEnabled(bool);

100 bool releasedMailboxHasExpired();	102 bool releasedMailboxHasExpired();

101 blink::WebGraphicsContext3D* context();	103 blink::WebGraphicsContext3D* context();

102	104

103 OwnPtr<SkDeferredCanvas> m_canvas;	105 OwnPtr<SkDeferredCanvas> m_canvas;

104 RefPtr<SkSurface> m_surface;	106 RefPtr<SkSurface> m_surface;

105 OwnPtr<blink::WebExternalTextureLayer> m_layer;	107 OwnPtr<blink::WebExternalTextureLayer> m_layer;

106 OwnPtr<blink::WebGraphicsContext3DProvider> m_contextProvider;	108 OwnPtr<blink::WebGraphicsContext3DProvider> m_contextProvider;

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137 };	139 };

138 MailboxInfo* createMailboxInfo();	140 MailboxInfo* createMailboxInfo();

139 MailboxInfo* releasedMailboxInfo();	141 MailboxInfo* releasedMailboxInfo();

140	142

141 uint32_t m_lastImageId;	143 uint32_t m_lastImageId;

142 Vector<MailboxInfo> m_mailboxes;	144 Vector<MailboxInfo> m_mailboxes;

143 int m_releasedMailboxInfoIndex;	145 int m_releasedMailboxInfoIndex;

144 };	146 };

145 }	147 }

146 #endif	148 #endif

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