public void Load(Stream mystream, int SamplePercentage)
{
PalletPixelCount.Clear();
Image <Rgba32> image = Image.Load <Rgba32>(mystream);
var quantizer = new WuQuantizer <Rgba32>();
var quantizationResults = quantizer.Quantize(image.Frames.RootFrame, PaletteCount);
PalletPixelCount = quantizationResults.Pixels.GroupBy(P => P)
.Select(group => new KeyValuePair <Rgba32, int>(quantizationResults.Palette[group.Key], group.Count()))
.OrderByDescending(I => I.Value)
.ToList();
}
public void WuQuantizerYieldsCorrectTransparentPixel <TPixel>(TestImageProvider <TPixel> provider, bool dither)
where TPixel : struct, IPixel <TPixel>
{
using (Image <TPixel> image = provider.GetImage())
{
Assert.True(image[0, 0].Equals(default(TPixel)));
IQuantizer <TPixel> quantizer = new WuQuantizer <TPixel> {
Dither = dither
};
foreach (ImageFrame <TPixel> frame in image.Frames)
{
QuantizedImage <TPixel> quantized = quantizer.Quantize(frame, 256);
int index = this.GetTransparentIndex(quantized);
Assert.Equal(index, quantized.Pixels[0]);
}
}
}