public void QuantizersDitherByDefault()
{
var werner = new WernerPaletteQuantizer();
var webSafe = new WebSafePaletteQuantizer();
var octree = new OctreeQuantizer();
var wu = new WuQuantizer();
Assert.NotNull(werner.Options.Dither);
Assert.NotNull(webSafe.Options.Dither);
Assert.NotNull(octree.Options.Dither);
Assert.NotNull(wu.Options.Dither);
using (IFrameQuantizer <Rgba32> quantizer = werner.CreateFrameQuantizer <Rgba32>(this.Configuration))
{
Assert.NotNull(quantizer.Options.Dither);
}
using (IFrameQuantizer <Rgba32> quantizer = webSafe.CreateFrameQuantizer <Rgba32>(this.Configuration))
{
Assert.NotNull(quantizer.Options.Dither);
}
using (IFrameQuantizer <Rgba32> quantizer = octree.CreateFrameQuantizer <Rgba32>(this.Configuration))
{
Assert.NotNull(quantizer.Options.Dither);
}
using (IFrameQuantizer <Rgba32> quantizer = wu.CreateFrameQuantizer <Rgba32>(this.Configuration))
{
Assert.NotNull(quantizer.Options.Dither);
}
}
public void ShouldThrowForDefaultDitherInstance(IDither dither)
{
void Command()
{
using var image = new Image <Rgba32>(10, 10);
var quantizer = new WebSafePaletteQuantizer();
quantizer.Options.Dither = dither;
image.Mutate(x => x.Quantize(quantizer));
}
Assert.Throws <ImageProcessingException>(Command);
}
public void QuantizersDitherByDefault()
{
var werner = new WernerPaletteQuantizer();
var webSafe = new WebSafePaletteQuantizer();
var octree = new OctreeQuantizer();
var wu = new WuQuantizer();
Assert.NotNull(werner.Diffuser);
Assert.NotNull(webSafe.Diffuser);
Assert.NotNull(octree.Diffuser);
Assert.NotNull(wu.Diffuser);
Assert.True(werner.CreateFrameQuantizer <Rgba32>(this.Configuration).Dither);
Assert.True(webSafe.CreateFrameQuantizer <Rgba32>(this.Configuration).Dither);
Assert.True(octree.CreateFrameQuantizer <Rgba32>(this.Configuration).Dither);
Assert.True(wu.CreateFrameQuantizer <Rgba32>(this.Configuration).Dither);
}
