// Jay Summet - GaTech
// Released to the public domain, Sep 2009

public class ConditionalExample {
  
  
  public static void main( String [] args) {
    
    Picture p = new Picture( FileChooser.pickAFile());
    
    Pixel [] myPixels = p.getPixels();
    
    for( Pixel myP : myPixels) {
      int r = myP.getRed();
      int g = myP.getGreen();
      int b = myP.getBlue();
      
      if ( (r+g+b > 500) &&  (myP.getY() < p.getHeight() / 2 ) ) {
       
           myP.setRed(0);
           myP.setGreen(255);
           myP.setBlue(0);
        
        
      } // end IF
     
    } // for every pixel.
    
    p.show();
    
    
    System.out.println("all done!");
    
  } // end main

} // end class