public override int[] ToColorKeyLimit(int[] buffer, int start, int end) { int sred = LColor.GetRed(start); int sgreen = LColor.GetGreen(start); int sblue = LColor.GetBlue(start); int ered = LColor.GetRed(end); int egreen = LColor.GetGreen(end); int eblue = LColor.GetBlue(end); int size = buffer.Length; for (int i = 0; i < size; i++) { int pixel = buffer[i]; int r = LColor.GetRed(pixel); int g = LColor.GetGreen(pixel); int b = LColor.GetBlue(pixel); if ((r >= sred && g >= sgreen && b >= sblue) && (r <= ered && g <= egreen && b <= eblue)) { buffer[i] = 0x00FFFFFF; } } return(buffer); }