зеркало из https://github.com/mozilla/gecko-dev.git
43 строки
1.7 KiB
C++
43 строки
1.7 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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_GFX_SWIZZLE_H_
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#define MOZILLA_GFX_SWIZZLE_H_
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#include "Point.h"
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namespace mozilla {
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namespace gfx {
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/**
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* Premultiplies source and writes it to destination. Source and destination may be the same
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* to premultiply in-place. The source format must have an alpha channel.
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*/
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GFX2D_API bool PremultiplyData(const uint8_t* aSrc, int32_t aSrcStride, SurfaceFormat aSrcFormat,
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uint8_t* aDst, int32_t aDstStride, SurfaceFormat aDstFormat,
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const IntSize& aSize);
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/**
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* Unpremultiplies source and writes it to destination. Source and destination may be the same
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* to unpremultiply in-place. Both the source and destination formats must have an alpha channel.
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*/
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GFX2D_API bool UnpremultiplyData(const uint8_t* aSrc, int32_t aSrcStride, SurfaceFormat aSrcFormat,
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uint8_t* aDst, int32_t aDstStride, SurfaceFormat aDstFormat,
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const IntSize& aSize);
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/**
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* Swizzles source and writes it to destination. Source and destination may be the same
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* to swizzle in-place.
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*/
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GFX2D_API bool SwizzleData(const uint8_t* aSrc, int32_t aSrcStride, SurfaceFormat aSrcFormat,
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uint8_t* aDst, int32_t aDstStride, SurfaceFormat aDstFormat,
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const IntSize& aSize);
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} // namespace gfx
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} // namespace mozilla
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#endif /* MOZILLA_GFX_SWIZZLE_H_ */
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