/*
 * 
 * Create a left-to-right flip of the original image. Although we could
 * exchange pixel values in place, we take the easier approach of
 * creating a second image.
 */


// Can either load an image stored locally, as follows:
// PImage slu = loadImage("campus4.jpg");
PImage slu = loadImage("http://business.slu.edu/uploads/2012/11/08/slu-homepage-campus4.jpg");
int w = slu.width;
int h = slu.height;

PImage reverse = createImage(w,h,RGB);

for (int x=0; x < w; x++) {
  for (int y=0; y < h; y++) {
    reverse.set(x, y, slu.get(w-1-x,y));
  }
}

// time to display it
size(w,h);
image(reverse,0,0);