CalculatePalette() public method

Calculate reduced color palette for the specified image.

See CalculatePalette(UnmanagedImage, int) for details.

public CalculatePalette ( Bitmap image, int paletteSize ) : Color[]
image System.Drawing.Bitmap Image to calculate palette for.
paletteSize int Palette size to calculate.
return Color[]
ColorImageQuantizer Class Documentation
Exemplo n.º 1
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        private Bitmap reducedColor(Bitmap image, int numColors)
        {
            // create color image quantization routine
            ColorImageQuantizer ciq = new ColorImageQuantizer(new MedianCutQuantizer());
            // create 16 colors table
            Color[] colorTable = ciq.CalculatePalette(image, numColors);
            // create dithering routine
            FloydSteinbergColorDithering dithering = new FloydSteinbergColorDithering();
            dithering.ColorTable = colorTable;
            // apply the dithering routine
            Bitmap newImage = dithering.Apply(image);

            return newImage;
        }
Exemplo n.º 2
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 public static Bitmap OrderedColorDithering(Bitmap bmp, int value)
 {
     // create color image quantization routine
     ColorImageQuantizer ciq = new ColorImageQuantizer(new MedianCutQuantizer());
     // create 256 colors table
     Color[] colorTable = ciq.CalculatePalette(bmp, value);
     // create dithering routine
     OrderedColorDithering dithering = new OrderedColorDithering();
     dithering.ColorTable = colorTable;
     // apply the dithering routine
     Bitmap newImage = dithering.Apply(bmp);
     return newImage;
 }