internal override Image GetQuantizedImage(ImageBuffer image, int colorCount, Pixel[] lookups, int alphaThreshold)
{
var result = new Bitmap(image.Image.Width, image.Image.Height, PixelFormat.Format8bppIndexed);
var resultBuffer = new ImageBuffer(result);
var paletteHistogram = new PaletteColorHistory[colorCount + 1];
resultBuffer.UpdatePixelIndexes(IndexedPixels(image, lookups, alphaThreshold, paletteHistogram));
result.Palette = BuildPalette(result.Palette, paletteHistogram);
return(result);
}
internal override Image GetQuantizedImage(ImageBuffer image, int colorCount, int maxColors, Pixel[] lookups, int alphaThreshold)
{
PixelFormat pf;
switch (maxColors)
{
case 256: pf = PixelFormat.Format8bppIndexed; break;
case 16: pf = PixelFormat.Format4bppIndexed; break;
case 2: pf = PixelFormat.Format1bppIndexed; break;
default: throw new QuantizationException(string.Format("The target amount of colors is not supported. Requested {0} colors.", maxColors));
}
var result = new Bitmap(image.Image.Width, image.Image.Height, pf);
var resultBuffer = new ImageBuffer(result);
var paletteHistogram = new PaletteColorHistory[colorCount + 1];
resultBuffer.UpdatePixelIndexes(indexedPixels(image, lookups, alphaThreshold, maxColors, paletteHistogram));
result.Palette = BuildPalette(result.Palette, paletteHistogram);
return result;
}
internal override Image GetQuantizedImage(ImageBuffer image, int colorCount, int maxColors, Pixel[] lookups, int alphaThreshold)
{
PixelFormat pf;
switch (maxColors)
{
case 256: pf = PixelFormat.Format8bppIndexed; break;
case 16: pf = PixelFormat.Format4bppIndexed; break;
case 2: pf = PixelFormat.Format1bppIndexed; break;
default: throw new QuantizationException(string.Format("The target amount of colors is not supported. Requested {0} colors.", maxColors));
}
var result = new Bitmap(image.Image.Width, image.Image.Height, pf);
var resultBuffer = new ImageBuffer(result);
var paletteHistogram = new PaletteColorHistory[colorCount + 1];
resultBuffer.UpdatePixelIndexes(indexedPixels(image, lookups, alphaThreshold, maxColors, paletteHistogram));
result.Palette = BuildPalette(result.Palette, paletteHistogram);
return(result);
}