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/*
* Copyright (C) 2025 Sony Interactive Entertainment Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include <WebCore/IntSize.h>
#include <WebCore/PixelBufferConversion.h>
namespace TestWebKitAPI {
using namespace WebCore;
TEST(PixelBufferConversionTests, convertImagePixels)
{
auto convert = [&](PixelFormat sourceFormat, PixelFormat destinationFormat) -> std::vector<uint8_t> {
const PixelBufferFormat sourcePixelBufferFormat { AlphaPremultiplication::Unpremultiplied, sourceFormat, DestinationColorSpace::SRGB() };
const PixelBufferFormat destinationPixelBufferFormat { AlphaPremultiplication::Unpremultiplied, destinationFormat, DestinationColorSpace::SRGB() };
const std::vector<uint8_t> sourceBytes = { 1, 2, 3, 4 };
std::vector<uint8_t> destinationBytes(4);
constexpr int bytesPerRow = 4;
const PixelBufferConversionView destination { sourcePixelBufferFormat, bytesPerRow, destinationBytes };
const ConstPixelBufferConversionView source { destinationPixelBufferFormat, bytesPerRow, sourceBytes };
const IntSize size { 1, 1 };
convertImagePixels(source, destination, size);
return destinationBytes;
};
EXPECT_EQ(convert(PixelFormat::RGBA8, PixelFormat::RGBA8), (std::vector<uint8_t> { 1, 2, 3, 4 }));
EXPECT_EQ(convert(PixelFormat::RGBA8, PixelFormat::BGRA8), (std::vector<uint8_t> { 3, 2, 1, 4 }));
EXPECT_EQ(convert(PixelFormat::RGBA8, PixelFormat::BGRX8), (std::vector<uint8_t> { 3, 2, 1, 4 }));
EXPECT_EQ(convert(PixelFormat::BGRA8, PixelFormat::RGBA8), (std::vector<uint8_t> { 3, 2, 1, 4 }));
EXPECT_EQ(convert(PixelFormat::BGRA8, PixelFormat::BGRA8), (std::vector<uint8_t> { 1, 2, 3, 4 }));
EXPECT_EQ(convert(PixelFormat::BGRA8, PixelFormat::BGRX8), (std::vector<uint8_t> { 3, 2, 1, 4 }));
}
TEST(PixelBufferConversionTests, convertImagePixels2)
{
auto convert = [&](PixelFormat sourceFormat, PixelFormat destinationFormat) -> std::vector<uint8_t> {
const PixelBufferFormat sourcePixelBufferFormat { AlphaPremultiplication::Unpremultiplied, sourceFormat, DestinationColorSpace::SRGB() };
const PixelBufferFormat destinationPixelBufferFormat { AlphaPremultiplication::Unpremultiplied, destinationFormat, DestinationColorSpace::SRGB() };
const std::vector<uint8_t> sourceBytes = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12 };
std::vector<uint8_t> destinationBytes(8);
constexpr int destinationBytesPerRow = 4;
const PixelBufferConversionView destination { sourcePixelBufferFormat, destinationBytesPerRow, destinationBytes };
constexpr int sourceBytesPerRow = 8;
const ConstPixelBufferConversionView source { destinationPixelBufferFormat, sourceBytesPerRow, sourceBytes };
const IntSize size { 1, 2 };
convertImagePixels(source, destination, size);
return destinationBytes;
};
EXPECT_EQ(convert(PixelFormat::RGBA8, PixelFormat::RGBA8), (std::vector<uint8_t> { 1, 2, 3, 4, 9, 10, 11, 12 }));
EXPECT_EQ(convert(PixelFormat::RGBA8, PixelFormat::BGRA8), (std::vector<uint8_t> { 3, 2, 1, 4, 11, 10, 9, 12 }));
}
} // namespace TestWebKitAPI
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