public static WuColorCube Create(Wu3DHistogram histogram, int colorCount)
{
var boxes = new WuColorBox[colorCount];
double[] vv = new double[colorCount];
for (int i = 0; i < colorCount; i++)
{
boxes[i] = new WuColorBox(histogram);
}
boxes[0].R0 = boxes[0].G0 = boxes[0].B0 = boxes[0].A0 = 0;
boxes[0].R1 = boxes[0].G1 = boxes[0].B1 = histogram.IndexCount - 1;
boxes[0].A1 = histogram.IndexAlphaCount - 1;
int next = 0;
for (int i = 1; i < colorCount; i++)
{
if (WuCommon.Cut(boxes[next], boxes[i]))
{
vv[next] = boxes[next].Volume > 1 ? boxes[next].GetVariance() : 0.0;
vv[i] = boxes[i].Volume > 1 ? boxes[i].GetVariance() : 0.0;
}
else
{
vv[next] = 0.0;
i--;
}
next = 0;
double temp = vv[0];
for (int k = 1; k <= i; k++)
{
if (vv[k] > temp)
{
temp = vv[k];
next = k;
}
}
if (temp <= 0.0)
{
colorCount = i + 1;
break;
}
}
return(new WuColorCube(boxes, colorCount));
}
public WuColorBox(Wu3DHistogram histogram)
{
_histogram = histogram;
}
