public QuantizeImageSettings(IColorQuantizer quantizer)
{
Quantizer = quantizer ?? throw new ArgumentNullException(nameof(quantizer));
Ditherer = null;
ColorCache = new EuclideanDistanceColorCache();
ColorModel = ColorModel.RGB;
ColorCount = 256;
ParallelCount = 8;
}
private ColorPalette GetColours(Image sourceImage, PictureBox picture)
{
IColorQuantizer activeQuantizer = new DistinctSelectionQuantizer();
IColorCache activeColorCache = new EuclideanDistanceColorCache();
((BaseColorCacheQuantizer)activeQuantizer).ChangeCacheProvider(activeColorCache);
((BaseColorCache)activeColorCache).ChangeColorModel(ColorModel.RedGreenBlue);
Int32 parallelTaskCount = 8;
TaskScheduler uiScheduler = TaskScheduler.FromCurrentSynchronizationContext();
Image targetImage = ImageBuffer.QuantizeImage(sourceImage, activeQuantizer, null, 2, parallelTaskCount);
picture.Image = targetImage;
return(targetImage.Palette);
}
/// <summary>
/// Creates a new instance of <see cref="QuantizationSettings"/>.
/// </summary>
/// <param name="quantizer">The quantizer to use.</param>
/// <param name="width">The width of the image.</param>
/// <param name="height">The height of the image.</param>
public QuantizationSettings(IColorQuantizer quantizer, int width, int height)
{
if (width <= 0)
{
throw new ArgumentOutOfRangeException(nameof(width));
}
if (height <= 0)
{
throw new ArgumentOutOfRangeException(nameof(height));
}
Quantizer = quantizer ?? throw new ArgumentNullException(nameof(quantizer));
Width = width;
Height = height;
Ditherer = null;
ColorCache = new EuclideanDistanceColorCache();
ColorModel = ColorModel.RGB;
ColorCount = 256;
ParallelCount = 8;
}
