The Tor Browser / file comparison
comparison: content/canvas/src/ImageData.h
content/canvas/src/ImageData.h
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| -1:000000000000 | 0:3a83b2a7cca2 |
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| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* vim:set ts=2 sw=2 et tw=78: */ | |
| 3 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 4 * License, v. 2.0. If a copy of the MPL was not distributed with this file, | |
| 5 * You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 6 | |
| 7 #ifndef mozilla_dom_ImageData_h | |
| 8 #define mozilla_dom_ImageData_h | |
| 9 | |
| 10 #include "nsIDOMCanvasRenderingContext2D.h" | |
| 11 | |
| 12 #include "mozilla/Attributes.h" | |
| 13 #include "mozilla/dom/BindingUtils.h" | |
| 14 #include "mozilla/dom/TypedArray.h" | |
| 15 #include <stdint.h> | |
| 16 | |
| 17 #include "nsCycleCollectionParticipant.h" | |
| 18 #include "nsISupportsImpl.h" | |
| 19 #include "js/GCAPI.h" | |
| 20 | |
| 21 namespace mozilla { | |
| 22 namespace dom { | |
| 23 | |
| 24 class ImageData MOZ_FINAL : public nsISupports | |
| 25 { | |
| 26 public: | |
| 27 ImageData(uint32_t aWidth, uint32_t aHeight, JSObject& aData) | |
| 28 : mWidth(aWidth) | |
| 29 , mHeight(aHeight) | |
| 30 , mData(&aData) | |
| 31 { | |
| 32 MOZ_COUNT_CTOR(ImageData); | |
| 33 HoldData(); | |
| 34 } | |
| 35 | |
| 36 ~ImageData() | |
| 37 { | |
| 38 MOZ_COUNT_DTOR(ImageData); | |
| 39 DropData(); | |
| 40 } | |
| 41 | |
| 42 NS_DECL_CYCLE_COLLECTING_ISUPPORTS | |
| 43 NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(ImageData) | |
| 44 | |
| 45 static ImageData* Constructor(const GlobalObject& aGlobal, | |
| 46 const uint32_t aWidth, | |
| 47 const uint32_t aHeight, | |
| 48 ErrorResult& aRv); | |
| 49 | |
| 50 static ImageData* Constructor(const GlobalObject& aGlobal, | |
| 51 const Uint8ClampedArray& aData, | |
| 52 const uint32_t aWidth, | |
| 53 const Optional<uint32_t>& aHeight, | |
| 54 ErrorResult& aRv); | |
| 55 | |
| 56 uint32_t Width() const | |
| 57 { | |
| 58 return mWidth; | |
| 59 } | |
| 60 uint32_t Height() const | |
| 61 { | |
| 62 return mHeight; | |
| 63 } | |
| 64 void GetData(JSContext* cx, JS::MutableHandle<JSObject*> aData) const | |
| 65 { | |
| 66 aData.set(GetDataObject()); | |
| 67 } | |
| 68 JSObject* GetDataObject() const | |
| 69 { | |
| 70 JS::ExposeObjectToActiveJS(mData); | |
| 71 return mData; | |
| 72 } | |
| 73 | |
| 74 JSObject* WrapObject(JSContext* cx); | |
| 75 | |
| 76 private: | |
| 77 void HoldData(); | |
| 78 void DropData(); | |
| 79 | |
| 80 ImageData() MOZ_DELETE; | |
| 81 | |
| 82 uint32_t mWidth, mHeight; | |
| 83 JS::Heap<JSObject*> mData; | |
| 84 }; | |
| 85 | |
| 86 } // namespace dom | |
| 87 } // namespace mozilla | |
| 88 | |
| 89 #endif // mozilla_dom_ImageData_h |
