private void ReduceNode(TreeViewImageGenerator.OctreeNode node, int depth)
{
ArrayList list = null;
if (depth < (this._numBits - 2))
{
list = this._levels[depth + 1];
}
for (int i = 0; i < 8; i++)
{
TreeViewImageGenerator.OctreeNode node2 = node[i];
if (node2 != null)
{
if (depth < (this._numBits - 2))
{
this.ReduceNode(node2, depth + 1);
}
if (list != null)
{
list.Remove(node2);
}
if (node2.NodeCount == 0)
{
this._leafNodes.Remove(node2);
}
node[i] = null;
}
this._levels[depth].Remove(node);
node.Reduced = true;
}
}
public void AddColor(Color c)
{
if ((!this._hasTransparency || (this._transparentColor.R != c.R)) || ((this._transparentColor.G != c.G) || (this._transparentColor.B != c.B)))
{
int depth = -1;
if (this._leafNodes.Count >= this._maxColors)
{
TreeViewImageGenerator.OctreeNode node = null;
for (int i = this._numBits - 2; i > 0; i--)
{
ArrayList list = this._levels[i];
if (list.Count > 0)
{
depth = i;
int pixelCount = -1;
for (int j = 0; j < list.Count; j++)
{
TreeViewImageGenerator.OctreeNode node2 = (TreeViewImageGenerator.OctreeNode)list[j];
if (node2.PixelCount > pixelCount)
{
node = node2;
pixelCount = node2.PixelCount;
}
}
break;
}
}
this.ReduceNode(node, depth);
this._leafNodes.Add(node);
}
TreeViewImageGenerator.OctreeNode node3 = this._root;
depth = 0;
bool flag = false;
while (depth < (this._numBits - 1))
{
int index = this.GetIndex(c, depth);
TreeViewImageGenerator.OctreeNode node4 = node3[index];
if (node4 == null)
{
node4 = new TreeViewImageGenerator.OctreeNode();
node3[index] = node4;
flag = true;
if (node3.NodeCount == 2)
{
this._levels[depth].Add(node3);
}
}
node3 = node4;
node3.AddColor(c);
if (node3.Reduced)
{
break;
}
depth++;
}
if (flag)
{
this._leafNodes.Add(node3);
}
}
}
public void AddColor(Color c)
{
if ((!this._hasTransparency || (this._transparentColor.R != c.R)) || ((this._transparentColor.G != c.G) || (this._transparentColor.B != c.B)))
{
int depth = -1;
if (this._leafNodes.Count >= this._maxColors)
{
TreeViewImageGenerator.OctreeNode node = null;
for (int i = this._numBits - 2; i > 0; i--)
{
ArrayList list = this._levels[i];
if (list.Count > 0)
{
depth = i;
int pixelCount = -1;
for (int j = 0; j < list.Count; j++)
{
TreeViewImageGenerator.OctreeNode node2 = (TreeViewImageGenerator.OctreeNode) list[j];
if (node2.PixelCount > pixelCount)
{
node = node2;
pixelCount = node2.PixelCount;
}
}
break;
}
}
this.ReduceNode(node, depth);
this._leafNodes.Add(node);
}
TreeViewImageGenerator.OctreeNode node3 = this._root;
depth = 0;
bool flag = false;
while (depth < (this._numBits - 1))
{
int index = this.GetIndex(c, depth);
TreeViewImageGenerator.OctreeNode node4 = node3[index];
if (node4 == null)
{
node4 = new TreeViewImageGenerator.OctreeNode();
node3[index] = node4;
flag = true;
if (node3.NodeCount == 2)
{
this._levels[depth].Add(node3);
}
}
node3 = node4;
node3.AddColor(c);
if (node3.Reduced)
{
break;
}
depth++;
}
if (flag)
{
this._leafNodes.Add(node3);
}
}
}