gecko-dev/gfx/2d/Swizzle.h

41 строка
1.6 KiB
C++

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef MOZILLA_GFX_SWIZZLE_H_
#define MOZILLA_GFX_SWIZZLE_H_
#include "Point.h"
namespace mozilla {
namespace gfx {
/**
* Premultiplies source and writes it to destination. Source and destination may be the same
* to premultiply in-place. The source format must have an alpha channel.
*/
GFX2D_API bool PremultiplyData(const uint8_t* aSrc, int32_t aSrcStride, SurfaceFormat aSrcFormat,
uint8_t* aDst, int32_t aDstStride, SurfaceFormat aDstFormat,
const IntSize& aSize);
/**
* Unpremultiplies source and writes it to destination. Source and destination may be the same
* to unpremultiply in-place. Both the source and destination formats must have an alpha channel.
*/
GFX2D_API bool UnpremultiplyData(const uint8_t* aSrc, int32_t aSrcStride, SurfaceFormat aSrcFormat,
uint8_t* aDst, int32_t aDstStride, SurfaceFormat aDstFormat,
const IntSize& aSize);
/**
* Swizzles source and writes it to destination. Source and destination may be the same
* to swizzle in-place.
*/
GFX2D_API bool SwizzleData(const uint8_t* aSrc, int32_t aSrcStride, SurfaceFormat aSrcFormat,
uint8_t* aDst, int32_t aDstStride, SurfaceFormat aDstFormat,
const IntSize& aSize);
} // namespace gfx
} // namespace mozilla
#endif /* MOZILLA_GFX_SWIZZLE_H_ */