static public byte[] OctreeQuantization(byte[] buffer)
{
byte[] result = new byte[buffer.Length];
OctreeQuantizer octree = new OctreeQuantizer();
for (int i = 0; i < buffer.Length; i += 4)
{
octree.AddColor(Color.FromArgb(buffer[i + 2], buffer[i + 1], buffer[i]));
}
var limitedPalette = octree.GetPalette(Constants.filterOctreeColorLimit);
for (int i = 0; i < buffer.Length; i += 4)
{
Color currentPixel = Color.FromArgb(buffer[i + 2], buffer[i + 1], buffer[i]);
Color resultPixel = limitedPalette[octree.GetPaletteIndex(currentPixel)];
result[i + 0] = resultPixel.B;
result[i + 1] = resultPixel.G;
result[i + 2] = resultPixel.R;
result[i + 3] = 255;
}
return(result);
}
public OctreeNode(int level, OctreeQuantizer parent) //level - level of parent
{
nodes = new OctreeNode[8];
if (level < 7)
{
parent.AddLevelNode(level, this);
}
}
