The Tor Browser: content/canvas/src/ImageData.h@deefc01c0e14

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.)

     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/. */

     7 #ifndef mozilla_dom_ImageData_h

     8 #define mozilla_dom_ImageData_h

    10 #include "nsIDOMCanvasRenderingContext2D.h"

    12 #include "mozilla/Attributes.h"

    13 #include "mozilla/dom/BindingUtils.h"

    14 #include "mozilla/dom/TypedArray.h"

    15 #include <stdint.h>

    17 #include "nsCycleCollectionParticipant.h"

    18 #include "nsISupportsImpl.h"

    19 #include "js/GCAPI.h"

    21 namespace mozilla {

    22 namespace dom {

    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   }

    36   ~ImageData()

    37   {

    38     MOZ_COUNT_DTOR(ImageData);

    39     DropData();

    40   }

    42   NS_DECL_CYCLE_COLLECTING_ISUPPORTS

    43   NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(ImageData)

    45   static ImageData* Constructor(const GlobalObject& aGlobal,

    46                                 const uint32_t aWidth,

    47                                 const uint32_t aHeight,

    48                                 ErrorResult& aRv);

    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);

    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   }

    74   JSObject* WrapObject(JSContext* cx);

    76 private:

    77   void HoldData();

    78   void DropData();

    80   ImageData() MOZ_DELETE;

    82   uint32_t mWidth, mHeight;

    83   JS::Heap<JSObject*> mData;

    84 };

    86 } // namespace dom

    87 } // namespace mozilla

    89 #endif // mozilla_dom_ImageData_h

The Tor Browser / file revision

content/canvas/src/ImageData.h@deefc01c0e14

content/canvas/src/ImageData.h