/// <summary>
/// Get the palette index for the passed color
/// </summary>
/// <param name="pixel"></param>
/// <returns></returns>
public int GetPaletteIndex(ColorBgra *pixel)
{
int ret = -1;
ret = _root.GetPaletteIndex(pixel, 0);
if (ret < 0)
{
if (this.paletteTable == null)
{
this.paletteTable = new PaletteTable(this._palette);
}
ret = this.paletteTable.FindClosestPaletteIndex(pixel->ToColor());
}
return(ret);
}
/// <summary>
/// Convert the nodes in the octree to a palette with a maximum of colorCount colors
/// </summary>
/// <param name="colorCount">The maximum number of colors</param>
/// <returns>A list with the palettized colors</returns>
public List <Color> Palletize(int colorCount)
{
while (Leaves > colorCount)
{
Reduce();
}
// Now palettize the nodes
List <Color> palette = new List <Color>(Leaves);
int paletteIndex = 0;
_root.ConstructPalette(palette, ref paletteIndex);
// And return the palette
this._palette = palette.ToArray();
this.paletteTable = null;
return(palette);
}