Java examples for 2D Graphics:Color Alpha
Returns the alpha component in the range 0-255.
//package com.java2s; public class Main { public static void main(String[] argv) throws Exception { int rgb = 2; System.out.println(getAlpha(rgb)); }/*from www . j a v a 2 s . c o m*/ /** * Returns the alpha component in the range 0-255. * @return the alpha component. * @see #getRGB */ public static int getAlpha(int rgb) { return (rgb >> 24) & 0xff; } }