get Red from BufferedImage - Java 2D Graphics

Java examples for 2D Graphics:BufferedImage Color

  1. HOME
  2. Java
  3. 2D Graphics
  4. BufferedImage Color

Description

get Red from BufferedImage

Demo Code


//package com.java2s;

import java.awt.image.BufferedImage;

public class Main {
    public static int getRed(BufferedImage i, int x, int y) {
        return ((i.getRGB(x, y) >> 16) & 255);
    }//from ww  w.  j a  v a  2  s.  c o m

    public static int[] getRGB(BufferedImage i, int x, int y) {
        int rgb = i.getRGB(x, y);

        int[] res = new int[3];
        res[0] = (rgb >> 16) & 255;
        res[1] = (rgb >> 8) & 255;
        res[2] = (rgb) & 255;
        return res;
    }
}

Related Tutorials