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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 | |
3 // found in the LICENSE file. | |
4 | |
5 #include "core/html/canvas/CanvasContextCreationAttributes.h" | |
6 #include "core/html/canvas/OffscreenCanvasRenderingContext.h" | |
7 #include "core/html/canvas/OffscreenCanvasRenderingContextFactory.h" | |
8 #include "modules/canvas2d/BaseRenderingContext2D.h" | |
9 | |
10 namespace blink { | |
11 | |
12 class OffscreenCanvasRenderingContext2D final : public OffscreenCanvasRenderingC ontext, public BaseRenderingContext2D { | |
Justin Novosad
2016/03/02 15:41:50
This should go into yet another module 'offscreenc
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13 DEFINE_WRAPPERTYPEINFO(); | |
14 WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(OffscreenCanvasRenderingContext2D); | |
15 public: | |
16 class Factory : public OffscreenCanvasRenderingContextFactory { | |
17 WTF_MAKE_NONCOPYABLE(Factory); | |
18 | |
19 public: | |
20 Factory() {} | |
21 ~Factory() override {} | |
22 | |
23 PassOwnPtrWillBeRawPtr<OffscreenCanvasRenderingContext> create(Offscreen Canvas* canvas, const CanvasContextCreationAttributes& attrs) override | |
24 { | |
25 return adoptPtrWillBeNoop(new OffscreenCanvasRenderingContext2D(canv as, attrs)); | |
26 } | |
27 | |
28 OffscreenCanvasRenderingContext::ContextType contextType() const overrid e | |
29 { | |
30 return OffscreenCanvasRenderingContext::Context2d; | |
31 } | |
32 | |
33 void onError(OffscreenCanvas* canvas, const String& error) override {} | |
34 }; | |
35 | |
36 ~OffscreenCanvasRenderingContext2D() override; | |
37 | |
38 // BaseRenderingContext2D implementation | |
39 bool originClean() const final; | |
Justin Novosad
2016/03/02 15:41:50
For a future CL, stuff that is shared between OCRC
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40 void setOriginTainted() final; | |
41 bool wouldTaintOrigin(CanvasImageSource*) final; | |
42 | |
43 int width() const final; | |
44 int height() const final; | |
45 | |
46 bool hasImageBuffer() const final; | |
47 ImageBuffer* imageBuffer() const final; | |
48 | |
49 bool parseColorOrCurrentColor(Color&, const String& colorString) const final ; | |
50 | |
51 SkCanvas* drawingCanvas() const final; | |
52 SkCanvas* existingDrawingCanvas() const final; | |
53 void disableDeferral(DisableDeferralReason) final; | |
54 | |
55 AffineTransform baseTransform() const final; | |
56 void didDraw(const SkIRect& dirtyRect) final; | |
57 | |
58 bool stateHasFilter() final; | |
59 SkImageFilter* stateGetFilter() final; | |
60 | |
61 void validateStateStack() final; | |
62 | |
63 bool hasAlpha() const override { return m_hasAlpha; } | |
64 bool isContextLost() const override; | |
65 | |
66 protected: | |
67 OffscreenCanvasRenderingContext2D(OffscreenCanvas*, const CanvasContextCreat ionAttributes& attrs); | |
68 DECLARE_VIRTUAL_TRACE(); | |
69 | |
70 private: | |
71 bool m_hasAlpha; | |
72 }; | |
73 | |
74 } // namespace blink | |
75 | |
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