public void ConversionPremulTest <TSrcPixel, TDstPixel>()
where TSrcPixel : unmanaged, Pixel.IConvertTo, Pixel.IValueSetter <Pixel.BGRA32>
where TDstPixel : unmanaged, Pixel.IConvertTo, Pixel.IValueSetter <Pixel.BGRA32>
{
var srcFmt = PixelFormat.TryIdentifyFormat <TSrcPixel>();
var dstFmt = PixelFormat.TryIdentifyFormat <TDstPixel>();
var src = new TSrcPixel[5];
var dst = new TDstPixel[5];
var cvt = Pixel.GetByteCopyConverter(srcFmt, dstFmt);
for (int i = 0; i < 5; ++i)
{
src[i].SetValue(new Pixel.BGRA32(i * 50, 255 - i * 50, i * 30, 20 + i * 30));
}
Pixel.GetPixelCopyConverter <TSrcPixel, TDstPixel>().Invoke(src, dst);
for (int i = 0; i < 5; ++i)
{
var srcA = src[i].To <Pixel.BGRA32>();
var dstA = dst[i].To <Pixel.BGRA32>();
var srcP = new Pixel.RGBP32(srcA);
var dstP = new Pixel.RGBP32(dstA);
Assert.AreEqual(srcP.PreR, dstP.PreR, 1);
Assert.AreEqual(srcP.PreG, dstP.PreG, 1);
Assert.AreEqual(srcP.PreB, dstP.PreB, 1);
Assert.AreEqual(srcP.A, dstP.A, 1);
}
}
public void ConversionTest <TSrcPixel, TDstPixel>()
where TSrcPixel : unmanaged, Pixel.IConvertTo, Pixel.IValueSetter <Pixel.BGRA32>
where TDstPixel : unmanaged, Pixel.IConvertTo, Pixel.IValueSetter <Pixel.BGRA32>
{
var srcFmt = PixelFormat.TryIdentifyFormat <TSrcPixel>();
var dstFmt = PixelFormat.TryIdentifyFormat <TDstPixel>();
var src = new TSrcPixel[5];
var dst = new TDstPixel[5];
for (int i = 0; i < 5; ++i)
{
src[i].SetValue(new Pixel.BGRA32(i * 50, 255 - i * 50, i * 30, 20 + i * 30));
}
Pixel.GetPixelCopyConverter <TSrcPixel, TDstPixel>().Invoke(src, dst);
for (int i = 0; i < 5; ++i)
{
var srcP = src[i].To <Pixel.BGRA32>();
var dstP = dst[i].To <Pixel.BGRA32>();
if (!srcFmt.HasUnpremulAlpha || !dstFmt.HasUnpremulAlpha)
{
srcP = new Pixel.BGRA32(srcP.R, srcP.G, srcP.B, (Byte)255);
dstP = new Pixel.BGRA32(dstP.R, dstP.G, dstP.B, (Byte)255);
}
Assert.AreEqual(srcP, dstP);
}
}