Difference between revisions of "JavaHowTo ColorConversion" - Rhea

public static java.awt.Color twoColorFromYUV(byte y, byte u, byte v) {
	return new java.awt.Color(Ts.twoColorFromYUVInt(y, u, v));
}
 
public static int twoColorFromYUVInt(byte y, byte u, byte v) {
	int red = (298 * ((y & 0xFF) - 16) + 409 * ((v & 0xFF) - 128) + 128) >> 8;
	int green = (298 * ((y & 0xFF) - 16) - 100 * ((u & 0xFF) - 128) - 208 * ((v & 0xFF) - 128) + 128) >> 8;
	int blue = (298 * ((y & 0xFF) - 16) + 516 * ((u & 0xFF) - 128) + 128) >> 8;
	red = red > 255 ? 255 : (red < 0 ? 0 : red);
	red = Ts.mathClip(red, 255, 0);
	green = Ts.mathClip(green, 255, 0);
	blue = Ts.mathClip(blue, 255, 0);
	return ((red << 16) | (green << 8) | blue);
}
 
/**
 * Clip the value to limit it in the range from min to max (inclusive)
 * @param original the value to be applied by clip
 * @param max the max of the range (inclusive)
 * @param min the min of the range (inclusive)
 * @return the value that range from min to max
 */
public static int mathClip(int original, int max, int min) {
	int result = Math.max(min, original);
	return Math.min(max, result);
}