Used to convert an Jpeg image into values that my Drawbot can read.

LoadImage.java

/*
 * Colin Faulkingham Drawbot Image Processing Code 2011
 * 
 */ 


import java.awt.*;
import java.awt.image.*;
import java.io.*;
import javax.imageio.*;

public class LoadImageApp extends Component {
          
    
    
    public static void main(String[] args) {
    	
    	try{
    	    BufferedImage img;

    		Writer output = null;
    		File file = new File("/blah.txt");
    		output = new BufferedWriter(new FileWriter(file));
    		
    		img = ImageIO.read(new File( "/test1.jpg" ));
    		int w = img.getWidth();
    		int h = img.getHeight();
    		System.out.print("W:"+w+"xH:"+h);
    		for (int i=0; i<h; i++){
  
    			for (int j=0; j<w; j++){   
    				int pixel = img.getRGB(j, i);
    				//int alpha = (pixel >> 24) & 0xff;
    				int red = (pixel >> 16) & 0xff;
    				int green = (pixel >> 8) & 0xff;
    				int blue = (pixel) & 0xff;
    				int med = (red+green+blue) / 3;
    				int out = med / 23;
       				//System.out.print(out);
    				String text = out+",";
    				output.write(text);

    				//System.out.println("argb: " + alpha + ", " + red + ", " + green + ", " + blue);
    			}
    			//System.out.println();
   		 		output.write("\n");

    		}
    		output.close();

   
    	}
    	catch(IOException e){System.out.println(e);}
    }
}