/*Drew Cogbill
 ex40.10
 [computation08]*/

PImage trista = loadImage("trista.jpg");
size(trista.width, trista.height);
int count = trista.width * trista.height; 
trista.loadPixels(); 
loadPixels(); 
for (int i = 0; i < count; i ++) { 
  pixels[i] = trista.pixels[count - i/3 - 9]; 
} 
updatePixels();