1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/image/src/ImageOps.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,60 @@
1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
1.5 + *
1.6 + * This Source Code Form is subject to the terms of the Mozilla Public
1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.8 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.9 +
1.10 +#ifndef MOZILLA_IMAGELIB_IMAGEOPS_H_
1.11 +#define MOZILLA_IMAGELIB_IMAGEOPS_H_
1.12 +
1.13 +#include "nsCOMPtr.h"
1.14 +
1.15 +class imgIContainer;
1.16 +struct nsIntRect;
1.17 +
1.18 +namespace mozilla {
1.19 +namespace image {
1.20 +
1.21 +class Image;
1.22 +class Orientation;
1.23 +
1.24 +class ImageOps
1.25 +{
1.26 +public:
1.27 + /**
1.28 + * Creates a version of an existing image which does not animate and is frozen
1.29 + * at the first frame.
1.30 + *
1.31 + * @param aImage The existing image.
1.32 + */
1.33 + static already_AddRefed<Image> Freeze(Image* aImage);
1.34 + static already_AddRefed<imgIContainer> Freeze(imgIContainer* aImage);
1.35 +
1.36 + /**
1.37 + * Creates a clipped version of an existing image. Animation is unaffected.
1.38 + *
1.39 + * @param aImage The existing image.
1.40 + * @param aClip The rectangle to clip the image against.
1.41 + */
1.42 + static already_AddRefed<Image> Clip(Image* aImage, nsIntRect aClip);
1.43 + static already_AddRefed<imgIContainer> Clip(imgIContainer* aImage, nsIntRect aClip);
1.44 +
1.45 + /**
1.46 + * Creates a version of an existing image which is rotated and/or flipped to
1.47 + * the specified orientation.
1.48 + *
1.49 + * @param aImage The existing image.
1.50 + * @param aOrientation The desired orientation.
1.51 + */
1.52 + static already_AddRefed<Image> Orient(Image* aImage, Orientation aOrientation);
1.53 + static already_AddRefed<imgIContainer> Orient(imgIContainer* aImage, Orientation aOrientation);
1.54 +
1.55 +private:
1.56 + // This is a static utility class, so disallow instantiation.
1.57 + virtual ~ImageOps() = 0;
1.58 +};
1.59 +
1.60 +} // namespace image
1.61 +} // namespace mozilla
1.62 +
1.63 +#endif // MOZILLA_IMAGELIB_IMAGEOPS_H_
