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/*
* Simd Library (http://ermig1979.github.io/Simd).
*
* Copyright (c) 2011-2021 Yermalayeu Ihar.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include "Simd/SimdDefs.h"
namespace Simd
{
namespace Base
{
void BgraToBgr(const uint8_t *bgra, size_t size, uint8_t *bgr, bool lastRow)
{
for (size_t i = (lastRow ? 1 : 0); i < size; ++i, bgr += 3, bgra += 4)
{
*(int32_t*)bgr = (*(int32_t*)bgra);
}
if (lastRow)
{
bgr[0] = bgra[0];
bgr[1] = bgra[1];
bgr[2] = bgra[2];
}
}
void BgraToBgr(const uint8_t *bgra, size_t width, size_t height, size_t bgraStride, uint8_t *bgr, size_t bgrStride)
{
for (size_t row = 1; row < height; ++row)
{
BgraToBgr(bgra, width, bgr, false);
bgr += bgrStride;
bgra += bgraStride;
}
BgraToBgr(bgra, width, bgr, true);
}
void BgraToRgb(const uint8_t* bgra, size_t width, size_t height, size_t bgraStride, uint8_t* rgb, size_t rgbStride)
{
size_t bgraGap = bgraStride - width * 4;
size_t rgbGap = rgbStride - width * 3;
for (size_t row = 0; row < height; ++row)
{
for (size_t col = 0; col < width; ++col, bgra += 4, rgb += 3)
{
rgb[2] = bgra[0];
rgb[1] = bgra[1];
rgb[0] = bgra[2];
}
bgra += bgraGap;
rgb += rgbGap;
}
}
void BgraToRgba(const uint8_t* bgra, size_t width, size_t height, size_t bgraStride, uint8_t* rgba, size_t rgbaStride)
{
size_t bgraGap = bgraStride - width * 4;
size_t rgbaGap = rgbaStride - width * 4;
for (size_t row = 0; row < height; ++row)
{
for (size_t col = 0; col < width; ++col, bgra += 4, rgba += 4)
{
rgba[2] = bgra[0];
rgba[1] = bgra[1];
rgba[0] = bgra[2];
rgba[3] = bgra[3];
}
bgra += bgraGap;
rgba += rgbaGap;
}
}
}
}
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