private byte[] IndexPixels(List <Color> palette)
{
var pixels = new byte[NonIndexedPixels.Count];
//TODO: Parallel foreach.
int pixelCount = 0;
foreach (Color color in NonIndexedPixels)
{
var index = palette.IndexOf(color);
if (index == -1)
{
//Search for nearby colors.
index = ColorExtensions.ClosestColorRgb(palette, color);
//index = ColorExtensions.ClosestColorHue(palette, color);
//index = ColorExtensions.ClosestColorRsb(palette, color);
//Add colors to a dictionary, if available, no need to search.
//TODO: Make this available for choice.
}
//Map the pixel to a color in the Color Table.
pixels[pixelCount] = (byte)index;
pixelCount++;
}
return(pixels);
}
private byte[] IndexPixels(List <Color> palette)
{
return(NonIndexedPixels.AsParallel().Select((x, i) => new { Index = i, Indexed = (byte)ColorExtensions.ClosestColorRgb(palette, x) }).Select(x => x.Indexed).ToArray());
#region Old code
//var pixels = new byte[NonIndexedPixels.Count];
//var pixelCount = 0;
//foreach (var color in NonIndexedPixels)
//{
// var index = palette.IndexOf(color);
// if (index == -1)
// {
// //Search for nearby colors.
// index = ColorExtensions.ClosestColorRgb(palette, color);
// //index = ColorExtensions.ClosestColorHue(palette, color);
// //index = ColorExtensions.ClosestColorRsb(palette, color);
// //Add colors to a dictionary, if available, no need to search.
// //TODO: Make this available for choice.
// }
// //Map the pixel to a color in the Color Table.
// pixels[pixelCount] = (byte)index;
// pixelCount++;
//}
//return pixels;
#endregion
}