Java examples for 2D Graphics:Color RGB
from Normalized RGBA
//package com.java2s; public class Main { public static int fromNormalizedRGBA(float r, float g, float b, float a) { return fromRGBA((int) r * 255, (int) g * 255, (int) b * 255, (int) a * 255); }//from w w w. jav a 2 s .c o m public static int fromRGBA(int r, int g, int b, int a) { return (a & 255) << 24 | (r & 255) << 16 | (g & 255) << 8 | b & 255; } }