PImage img;
int rowheight;
int cols, rows;
int counter = 0;
int charcount = 0;
String chars;
PFont f;
int index = 0;
//Letter[] letters;
ArrayList letters;

int scl;


//-----------------------------------------
void setup() {
  size(600, 600);
  smooth();
  framerate(10);

  img = loadImage("Nietzsche-Munch304x298.jpg");
  println(img.width + " " + img.height);

  scl = width/img.width;

  f = loadFont("AmericanTypewriter-Bold-12.vlw");

  String[] nText = loadStrings("nText.txt");
  chars = join (nText, "");
  //x=width;
  
  createGrid(12);

}

//-----------------------------------------

void draw(){
  background(0);

  for (int i = 0; i<letters.size(); i++){

    Letter current = (Letter) letters.get(i);

    current.display();
  }
}

void mousePressed() {
  createGrid(int(random(10,36))); 
}

void createGrid(int rowheight) {
  letters = new ArrayList();
  textFont (f,rowheight);
  for (float y =0; y <height-1; y+=rowheight){
    //for (int i = 0; i<cols; i++){
    float x = 0;

    while (x < width) {
      int i = int(x) / scl;
      int j = int(y) / scl;
      Letter newletter = new Letter(x,y,chars.charAt(charcount),img.pixels[i+j*img.width]);
      letters.add(newletter);
      counter++;
      x += textWidth(chars.charAt(charcount));
      charcount = (charcount +1) % chars.length();
    }

  }
}