mix Colors - Java 2D Graphics

Java examples for 2D Graphics:Color

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Description

mix Colors

Demo Code


//package com.java2s;

public class Main {
    public static void main(String[] argv) throws Exception {
        int color1 = 2;
        int color2 = 2;
        float amount = 2.45678f;
        System.out.println(mixColors(color1, color2, amount));
    }//from  www.  j a v  a 2s.  co m

    public static int mixColors(int color1, int color2, float amount) {

        final byte ALPHA_CHANNEL = 24;
        final byte RED_CHANNEL = 16;
        final byte GREEN_CHANNEL = 8;
        final byte BLUE_CHANNEL = 0;

        final float inverseAmount = 1.0f - amount;

        int a = ((int) (((float) (color1 >> ALPHA_CHANNEL & 0xff) * amount) + ((float) (color2 >> ALPHA_CHANNEL & 0xff) * inverseAmount))) & 0xff;
        int r = ((int) (((float) (color1 >> RED_CHANNEL & 0xff) * amount) + ((float) (color2 >> RED_CHANNEL & 0xff) * inverseAmount))) & 0xff;
        int g = ((int) (((float) (color1 >> GREEN_CHANNEL & 0xff) * amount) + ((float) (color2 >> GREEN_CHANNEL & 0xff) * inverseAmount))) & 0xff;
        int b = ((int) (((float) (color1 & 0xff) * amount) + ((float) (color2 & 0xff) * inverseAmount))) & 0xff;

        return a << ALPHA_CHANNEL | r << RED_CHANNEL | g << GREEN_CHANNEL
                | b << BLUE_CHANNEL;
    }
}

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