content/canvas/src/ImageData.h@deefc01c0e14 (annotated)
content/canvas/src/ImageData.h
Thu, 15 Jan 2015 21:03:48 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 15 Jan 2015 21:03:48 +0100
- branch
- TOR_BUG_9701
- changeset 11
- deefc01c0e14
- permissions
- -rw-r--r--
Integrate friendly tips from Tor colleagues to make (or not) 4.5 alpha 3;
This includes removal of overloaded (but unused) methods, and addition of
a overlooked call to DataStruct::SetData(nsISupports, uint32_t, bool.)
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
| michael@0 | 2 | /* vim:set ts=2 sw=2 et tw=78: */ |
| michael@0 | 3 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 4 | * License, v. 2.0. If a copy of the MPL was not distributed with this file, |
| michael@0 | 5 | * You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 6 | |
| michael@0 | 7 | #ifndef mozilla_dom_ImageData_h |
| michael@0 | 8 | #define mozilla_dom_ImageData_h |
| michael@0 | 9 | |
| michael@0 | 10 | #include "nsIDOMCanvasRenderingContext2D.h" |
| michael@0 | 11 | |
| michael@0 | 12 | #include "mozilla/Attributes.h" |
| michael@0 | 13 | #include "mozilla/dom/BindingUtils.h" |
| michael@0 | 14 | #include "mozilla/dom/TypedArray.h" |
| michael@0 | 15 | #include <stdint.h> |
| michael@0 | 16 | |
| michael@0 | 17 | #include "nsCycleCollectionParticipant.h" |
| michael@0 | 18 | #include "nsISupportsImpl.h" |
| michael@0 | 19 | #include "js/GCAPI.h" |
| michael@0 | 20 | |
| michael@0 | 21 | namespace mozilla { |
| michael@0 | 22 | namespace dom { |
| michael@0 | 23 | |
| michael@0 | 24 | class ImageData MOZ_FINAL : public nsISupports |
| michael@0 | 25 | { |
| michael@0 | 26 | public: |
| michael@0 | 27 | ImageData(uint32_t aWidth, uint32_t aHeight, JSObject& aData) |
| michael@0 | 28 | : mWidth(aWidth) |
| michael@0 | 29 | , mHeight(aHeight) |
| michael@0 | 30 | , mData(&aData) |
| michael@0 | 31 | { |
| michael@0 | 32 | MOZ_COUNT_CTOR(ImageData); |
| michael@0 | 33 | HoldData(); |
| michael@0 | 34 | } |
| michael@0 | 35 | |
| michael@0 | 36 | ~ImageData() |
| michael@0 | 37 | { |
| michael@0 | 38 | MOZ_COUNT_DTOR(ImageData); |
| michael@0 | 39 | DropData(); |
| michael@0 | 40 | } |
| michael@0 | 41 | |
| michael@0 | 42 | NS_DECL_CYCLE_COLLECTING_ISUPPORTS |
| michael@0 | 43 | NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(ImageData) |
| michael@0 | 44 | |
| michael@0 | 45 | static ImageData* Constructor(const GlobalObject& aGlobal, |
| michael@0 | 46 | const uint32_t aWidth, |
| michael@0 | 47 | const uint32_t aHeight, |
| michael@0 | 48 | ErrorResult& aRv); |
| michael@0 | 49 | |
| michael@0 | 50 | static ImageData* Constructor(const GlobalObject& aGlobal, |
| michael@0 | 51 | const Uint8ClampedArray& aData, |
| michael@0 | 52 | const uint32_t aWidth, |
| michael@0 | 53 | const Optional<uint32_t>& aHeight, |
| michael@0 | 54 | ErrorResult& aRv); |
| michael@0 | 55 | |
| michael@0 | 56 | uint32_t Width() const |
| michael@0 | 57 | { |
| michael@0 | 58 | return mWidth; |
| michael@0 | 59 | } |
| michael@0 | 60 | uint32_t Height() const |
| michael@0 | 61 | { |
| michael@0 | 62 | return mHeight; |
| michael@0 | 63 | } |
| michael@0 | 64 | void GetData(JSContext* cx, JS::MutableHandle<JSObject*> aData) const |
| michael@0 | 65 | { |
| michael@0 | 66 | aData.set(GetDataObject()); |
| michael@0 | 67 | } |
| michael@0 | 68 | JSObject* GetDataObject() const |
| michael@0 | 69 | { |
| michael@0 | 70 | JS::ExposeObjectToActiveJS(mData); |
| michael@0 | 71 | return mData; |
| michael@0 | 72 | } |
| michael@0 | 73 | |
| michael@0 | 74 | JSObject* WrapObject(JSContext* cx); |
| michael@0 | 75 | |
| michael@0 | 76 | private: |
| michael@0 | 77 | void HoldData(); |
| michael@0 | 78 | void DropData(); |
| michael@0 | 79 | |
| michael@0 | 80 | ImageData() MOZ_DELETE; |
| michael@0 | 81 | |
| michael@0 | 82 | uint32_t mWidth, mHeight; |
| michael@0 | 83 | JS::Heap<JSObject*> mData; |
| michael@0 | 84 | }; |
| michael@0 | 85 | |
| michael@0 | 86 | } // namespace dom |
| michael@0 | 87 | } // namespace mozilla |
| michael@0 | 88 | |
| michael@0 | 89 | #endif // mozilla_dom_ImageData_h |
