third_party/WebKit/Source/modules/offscreencanvas2d/OffscreenCanvasRenderingContext2D.h - Issue 2572873002: Add ColorBehavior plumbing for 2D canvas drawImage

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Issue 2572873002: Add ColorBehavior plumbing for 2D canvas drawImage (Closed)

Patch Set: Created 4 years ago

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1 // Copyright 2016 The Chromium Authors. All rights reserved.	1 // Copyright 2016 The Chromium Authors. All rights reserved.

2 // Use of this source code is governed by a BSD-style license that can be	2 // Use of this source code is governed by a BSD-style license that can be

3 // found in the LICENSE file.	3 // found in the LICENSE file.

4	4

5 #ifndef OffscreenCanvasRenderingContext2D_h	5 #ifndef OffscreenCanvasRenderingContext2D_h

6 #define OffscreenCanvasRenderingContext2D_h	6 #define OffscreenCanvasRenderingContext2D_h

7	7

8 #include "core/html/canvas/CanvasContextCreationAttributes.h"	8 #include "core/html/canvas/CanvasContextCreationAttributes.h"

9 #include "core/html/canvas/CanvasRenderingContext.h"	9 #include "core/html/canvas/CanvasRenderingContext.h"

10 #include "core/html/canvas/CanvasRenderingContextFactory.h"	10 #include "core/html/canvas/CanvasRenderingContextFactory.h"

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78 sk_sp<SkImageFilter> stateGetFilter() final;	78 sk_sp<SkImageFilter> stateGetFilter() final;

79 void snapshotStateForFilter() final {}	79 void snapshotStateForFilter() final {}

80	80

81 void validateStateStack() const final;	81 void validateStateStack() const final;

82	82

83 bool hasAlpha() const final { return creationAttributes().alpha(); }	83 bool hasAlpha() const final { return creationAttributes().alpha(); }

84 bool isContextLost() const override;	84 bool isContextLost() const override;

85	85

86 ImageBitmap* transferToImageBitmap(ScriptState*) final;	86 ImageBitmap* transferToImageBitmap(ScriptState*) final;

87	87

	88 ColorBehavior drawImageColorBehavior() const final;

	89

88 protected:	90 protected:

89 OffscreenCanvasRenderingContext2D(	91 OffscreenCanvasRenderingContext2D(

90 ScriptState*,	92 ScriptState*,

91 OffscreenCanvas*,	93 OffscreenCanvas*,

92 const CanvasContextCreationAttributes& attrs);	94 const CanvasContextCreationAttributes& attrs);

93 DECLARE_VIRTUAL_TRACE();	95 DECLARE_VIRTUAL_TRACE();

94	96

95 private:	97 private:

96 bool m_needsMatrixClipRestore = false;	98 bool m_needsMatrixClipRestore = false;

97 std::unique_ptr<ImageBuffer> m_imageBuffer;	99 std::unique_ptr<ImageBuffer> m_imageBuffer;

98	100

99 bool isPaintable() const final;	101 bool isPaintable() const final;

100	102

101 RefPtr<StaticBitmapImage> transferToStaticBitmapImage();	103 RefPtr<StaticBitmapImage> transferToStaticBitmapImage();

102 };	104 };

103	105

104 DEFINE_TYPE_CASTS(OffscreenCanvasRenderingContext2D,	106 DEFINE_TYPE_CASTS(OffscreenCanvasRenderingContext2D,

105 CanvasRenderingContext,	107 CanvasRenderingContext,

106 context,	108 context,

107 context->is2d() && context->getOffscreenCanvas(),	109 context->is2d() && context->getOffscreenCanvas(),

108 context.is2d() && context.getOffscreenCanvas());	110 context.is2d() && context.getOffscreenCanvas());

109	111

110 } // namespace blink	112 } // namespace blink

111	113

112 #endif // OffscreenCanvasRenderingContext2D_h	114 #endif // OffscreenCanvasRenderingContext2D_h

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