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