Ejemplo n.º 1
0
        /// <summary>
        /// Initializes a new instance of the <see cref="OctreeNode"/> class.
        /// </summary>
        public OctreeNode(Int32 level, OctreeQuantizer parent)
        {
            nodes = new OctreeNode[8];

            if (level < 7)
            {
                parent.AddLevelNode(level, this);
            }
        }
Ejemplo n.º 2
0
        /// <summary>
        /// Removes the leaves by summing all it's color components and pixel presence.
        /// </summary>
        /// <returns></returns>
        public Int32 RemoveLeaves(Int32 level, Int32 activeColorCount, Int32 targetColorCount, OctreeQuantizer parent)
        {
            Int32 result = 0;

            // scans thru all the active nodes
            for (Int32 index = 0; index < 8; index++)
            {
                OctreeNode node = nodes[index];

                if (node != null)
                {
                    // sums up their color components
                    red   += node.red;
                    green += node.green;
                    blue  += node.blue;

                    // and pixel presence
                    pixelCount += node.pixelCount;

                    // increases the count of reduced nodes
                    result++;
                }
            }

            // returns a number of reduced sub-nodes, minus one because this node becomes a leaf
            return(result - 1);
        }