/// <summary>
/// See <see cref="BaseColorQuantizer.OnFinish"/> for more details.
/// </summary>
protected override void OnFinish()
{
base.OnFinish();
// initializes the octree level lists
levels = new List<OctreeNode>[7];
// creates the octree level lists
for (Int32 level = 0; level < 7; level++)
{
levels[level] = new List<OctreeNode>();
}
// creates a root node
root = new OctreeNode(0, this);
}
/// <summary>
/// Adds the color.
/// </summary>
/// <param name="color">The color.</param>
/// <param name="level">The level.</param>
/// <param name="parent">The parent.</param>
public void AddColor(Color color, Int32 level, OctreeQuantizer parent)
{
// if this node is a leaf, then increase a color amount, and pixel presence
if (level == 8)
{
red += color.R;
green += color.G;
blue += color.B;
pixelCount++;
}
else if (level < 8) // otherwise goes one level deeper
{
// calculates an index for the next sub-branch
Int32 index = GetColorIndexAtLevel(color, level);
// if that branch doesn't exist, grows it
if (nodes[index] == null)
{
nodes[index] = new OctreeNode(level, parent);
}
// adds a color to that branch
nodes[index].AddColor(color, level + 1, parent);
}
}
/// <summary>
/// Adds the node to a level node list.
/// </summary>
/// <param name="level">The depth level.</param>
/// <param name="octreeNode">The octree node to be added.</param>
internal void AddLevelNode(Int32 level, OctreeNode octreeNode)
{
levels[level].Add(octreeNode);
}
/// <summary>
/// Adds the node to a level node list.
/// </summary>
/// <param name="level">The depth level.</param>
/// <param name="octreeNode">The octree node to be added.</param>
internal void AddLevelNode(Int32 level, OctreeNode octreeNode)
{
levels[level].Add(octreeNode);
}
