зеркало из https://github.com/mozilla/gecko-dev.git
73 строки
2.1 KiB
C++
73 строки
2.1 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_image_ImageOps_h
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#define mozilla_image_ImageOps_h
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#include "nsCOMPtr.h"
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#include "nsRect.h"
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class gfxDrawable;
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class imgIContainer;
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namespace mozilla {
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namespace image {
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class Image;
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struct Orientation;
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class ImageOps
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{
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public:
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/**
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* Creates a version of an existing image which does not animate and is frozen
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* at the first frame.
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*
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* @param aImage The existing image.
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*/
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static already_AddRefed<Image> Freeze(Image* aImage);
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static already_AddRefed<imgIContainer> Freeze(imgIContainer* aImage);
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/**
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* Creates a clipped version of an existing image. Animation is unaffected.
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*
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* @param aImage The existing image.
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* @param aClip The rectangle to clip the image against.
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*/
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static already_AddRefed<Image> Clip(Image* aImage, nsIntRect aClip);
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static already_AddRefed<imgIContainer> Clip(imgIContainer* aImage,
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nsIntRect aClip);
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/**
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* Creates a version of an existing image which is rotated and/or flipped to
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* the specified orientation.
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*
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* @param aImage The existing image.
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* @param aOrientation The desired orientation.
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*/
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static already_AddRefed<Image> Orient(Image* aImage,
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Orientation aOrientation);
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static already_AddRefed<imgIContainer> Orient(imgIContainer* aImage,
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Orientation aOrientation);
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/**
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* Creates an image from a gfxDrawable.
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*
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* @param aDrawable The gfxDrawable.
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*/
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static already_AddRefed<imgIContainer>
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CreateFromDrawable(gfxDrawable* aDrawable);
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private:
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// This is a static utility class, so disallow instantiation.
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virtual ~ImageOps() = 0;
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};
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} // namespace image
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} // namespace mozilla
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#endif // mozilla_image_ImageOps_h
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