color pix[][];
PImage p;

void setup()
{
  int i;

  size(1200, 800);
  background(0);

  p=loadImage("http://marvin.cs.uidaho.edu/Pics/kat.png");
  pix = new color [p.width][p.height];

  // get picture from PImage into pix
  i = 0;
  for (int y=0; y<p.height; y++) {
    for (int x=0; x<p.width; x++) {
      pix[x][y] = p.pixels[i];
      i++;
    }
  }
} // end of setup



void draw() {
  // display picture in pix
  for (int y=0; y<p.height; y+=10) {
    for (int x=0; x<p.width; x+=5) {
      color c;
      float shade;

      c = pix[x][y];
      fill(c);
      noStroke();
      // rect(2*(p.width-x), 2*y, 2, 2);
      ellipse(2*x, 2*y+sin(x/10)*20, 9, 9);
    }
  }
}  // end of draw


void mouseClicked()
{
  saveFrame("result.png");
}