org.pepsoft.util

Class ColourUtils

java.lang.Object

org.pepsoft.util.ColourUtils

public final class ColourUtils
extends Object

Method Summary

Modifier and Type	Method and Description
static boolean	isGreyScale(int colour)
static int	mix(int colour1, int colour2)
static int	mix(int colour1, int colour2, int alpha)
static int	multiply(int colour, int amount) Multiplies each of component of colour with amount and divides the result by 256.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

mix

public static int mix(int colour1,
                      int colour2)

mix

public static int mix(int colour1,
                      int colour2,
                      int alpha)

multiply

public static int multiply(int colour,
                           int amount)

Multiplies each of component of colour with amount and divides the result by 256.

Parameters:

colour - The RGB colour to multiply.

amount - The amount to multiply each colour band with, where 256 leaves the colour unchanged.

Returns:

The multiplied colour.

isGreyScale

public static boolean isGreyScale(int colour)