public void ErrorDitherEquality()
{
IDither dither = KnownDitherings.FloydSteinberg;
ErrorDither dither2 = ErrorDither.FloydSteinberg;
ErrorDither dither3 = ErrorDither.FloydSteinberg;
Assert.True(dither == dither2);
Assert.True(dither2 == dither);
Assert.False(dither != dither2);
Assert.False(dither2 != dither);
Assert.Equal(dither, dither2);
Assert.Equal(dither, (object)dither2);
Assert.Equal(dither.GetHashCode(), dither2.GetHashCode());
dither = null;
Assert.False(dither == dither2);
Assert.False(dither2 == dither);
Assert.True(dither != dither2);
Assert.True(dither2 != dither);
Assert.NotEqual(dither, dither2);
Assert.NotEqual(dither, (object)dither2);
Assert.NotEqual(dither?.GetHashCode(), dither2.GetHashCode());
Assert.True(dither2 == dither3);
Assert.True(dither3 == dither2);
Assert.False(dither2 != dither3);
Assert.False(dither3 != dither2);
Assert.Equal(dither2, dither3);
Assert.Equal(dither2, (object)dither3);
Assert.Equal(dither2.GetHashCode(), dither3.GetHashCode());
}
/// <summary>
/// This method pre-seeds the default dithering engine (FloydSteinbergDiffuser) in the AoT compiler for iOS.
/// </summary>
/// <typeparam name="TPixel">The pixel format.</typeparam>
private static void AotCompileDithering <TPixel>()
where TPixel : unmanaged, IPixel <TPixel>
{
ErrorDither errorDither = ErrorDither.FloydSteinberg;
OrderedDither orderedDither = OrderedDither.Bayer2x2;
TPixel pixel = default;
using (var image = new ImageFrame <TPixel>(Configuration.Default, 1, 1))
{
errorDither.Dither(image, image.Bounds(), pixel, pixel, 0, 0, 0);
orderedDither.Dither(pixel, 0, 0, 0, 0);
}
}
