public int GetPaletteIndex(Color color)
{
int a = color.A >> (8 - _indexAlphaBits);
int r = color.R >> (8 - _indexBits);
int g = color.G >> (8 - _indexBits);
int b = color.B >> (8 - _indexBits);
int index = WuCommon.GetIndex(r + 1, g + 1, b + 1, a + 1, _indexBits, _indexAlphaBits);
return(tag[index]);
}
private void Mark(WuColorBox box, byte label)
{
for (int r = box.R0 + 1; r <= box.R1; r++)
{
for (int g = box.G0 + 1; g <= box.G1; g++)
{
for (int b = box.B0 + 1; b <= box.B1; b++)
{
for (int a = box.A0 + 1; a <= box.A1; a++)
{
tag[WuCommon.GetIndex(r, g, b, a, _indexBits, _indexAlphaBits)] = label;
}
}
}
}
}
