Creates a "binary digit mosaic" of a JPG file

BinaryDigitMosaic.pde

/**
 * Load a JPG image and convert it into a "binary digit mosaic" 
 *
 * Author: Mario Gianota, September 2020
 */

PImage img;  // Declare variable of type PImage
boolean once = false;
PFont myFont;
int x;
int y;
String one  = "1";
String zero = "0";
boolean toggle = false;

void setup() {
  size(1024, 768); 
  // The image file must be in the data folder of the current sketch 
  // to load successfully
  img = loadImage("me4-64x80.jpg");  // Load the image into the program
  // Grab the pixels
  loadPixels();

  myFont = createFont("Lucida Sans", 12);
  textFont(myFont);
  textAlign(CENTER, CENTER);
}

void draw() {
  if( once )
    return;
  background(0);
  for(int i=0; i<64; i++) {
    for(int j=0; j<80; j++) {
      color c = img.get(j, i);
      fill(c);
      text( toggle == true ? one : zero, x, y);
      toggle = ! toggle;
      x+= 8;
    }
    x = 0;
    y += 10;
  }
  y=0;

  
  saveFrame("me4-binary-mosaic.jpg");
  once = true;
}