image/src/ImageOps.h

Thu, 22 Jan 2015 13:21:57 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Thu, 22 Jan 2015 13:21:57 +0100
branch
TOR_BUG_9701
changeset 15
b8a032363ba2
permissions
-rw-r--r--

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_

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