/**

* File: GreenImage.java

*

* Description:

* Convert color image to green image.

*

* @author Yusuf Shakeel

* Date: 27-01-2014 mon

*

* www.github.com/yusufshakeel/Java-Image-Processing-Project

*/

import java.io.File;

import java.io.IOException;

import java.awt.image.BufferedImage;

import javax.imageio.ImageIO;

public class GreenImage{

public static void main(String args[])throws IOException{

BufferedImage img = null;

File f = null;

//read image

try{

f = new File("D:\\Image\\sonam.jpg");

img = ImageIO.read(f);

}catch(IOException e){

System.out.println(e);

}

//get width and height

int width = img.getWidth();

int height = img.getHeight();

//convert to green image

for(int y = 0; y < height; y++){

for(int x = 0; x < width; x++){

int p = img.getRGB(x,y);

int a = (p>>24)&0xff;

int g = (p>>8)&0xff;

//set new RGB

p = (a<<24) | (0<<16) | (g<<8) | 0;

img.setRGB(x, y, p);

}

}

//write image

try{

f = new File("D:\\Image\\output.jpg");

ImageIO.write(img, "jpg", f);

}catch(IOException e){

System.out.println(e);

}

}//main() ends here

}//class ends here