Thu, 22 Jan 2015 13:21:57 +0100
Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6
michael@0 | 1 | /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- |
michael@0 | 2 | * |
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 |
michael@0 | 5 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
michael@0 | 6 | |
michael@0 | 7 | #ifndef MOZILLA_IMAGELIB_IMAGEOPS_H_ |
michael@0 | 8 | #define MOZILLA_IMAGELIB_IMAGEOPS_H_ |
michael@0 | 9 | |
michael@0 | 10 | #include "nsCOMPtr.h" |
michael@0 | 11 | |
michael@0 | 12 | class imgIContainer; |
michael@0 | 13 | struct nsIntRect; |
michael@0 | 14 | |
michael@0 | 15 | namespace mozilla { |
michael@0 | 16 | namespace image { |
michael@0 | 17 | |
michael@0 | 18 | class Image; |
michael@0 | 19 | class Orientation; |
michael@0 | 20 | |
michael@0 | 21 | class ImageOps |
michael@0 | 22 | { |
michael@0 | 23 | public: |
michael@0 | 24 | /** |
michael@0 | 25 | * Creates a version of an existing image which does not animate and is frozen |
michael@0 | 26 | * at the first frame. |
michael@0 | 27 | * |
michael@0 | 28 | * @param aImage The existing image. |
michael@0 | 29 | */ |
michael@0 | 30 | static already_AddRefed<Image> Freeze(Image* aImage); |
michael@0 | 31 | static already_AddRefed<imgIContainer> Freeze(imgIContainer* aImage); |
michael@0 | 32 | |
michael@0 | 33 | /** |
michael@0 | 34 | * Creates a clipped version of an existing image. Animation is unaffected. |
michael@0 | 35 | * |
michael@0 | 36 | * @param aImage The existing image. |
michael@0 | 37 | * @param aClip The rectangle to clip the image against. |
michael@0 | 38 | */ |
michael@0 | 39 | static already_AddRefed<Image> Clip(Image* aImage, nsIntRect aClip); |
michael@0 | 40 | static already_AddRefed<imgIContainer> Clip(imgIContainer* aImage, nsIntRect aClip); |
michael@0 | 41 | |
michael@0 | 42 | /** |
michael@0 | 43 | * Creates a version of an existing image which is rotated and/or flipped to |
michael@0 | 44 | * the specified orientation. |
michael@0 | 45 | * |
michael@0 | 46 | * @param aImage The existing image. |
michael@0 | 47 | * @param aOrientation The desired orientation. |
michael@0 | 48 | */ |
michael@0 | 49 | static already_AddRefed<Image> Orient(Image* aImage, Orientation aOrientation); |
michael@0 | 50 | static already_AddRefed<imgIContainer> Orient(imgIContainer* aImage, Orientation aOrientation); |
michael@0 | 51 | |
michael@0 | 52 | private: |
michael@0 | 53 | // This is a static utility class, so disallow instantiation. |
michael@0 | 54 | virtual ~ImageOps() = 0; |
michael@0 | 55 | }; |
michael@0 | 56 | |
michael@0 | 57 | } // namespace image |
michael@0 | 58 | } // namespace mozilla |
michael@0 | 59 | |
michael@0 | 60 | #endif // MOZILLA_IMAGELIB_IMAGEOPS_H_ |