// PROGRAMM START

int level = 0;
int[][] levelPixels;
int imageWidth = 400;
int currentPixelSize = 400;
int pixelCount = 1;
PImage orgImage;

void setup() {
   size(imageWidth, imageWidth);
   background(255);
   levelPixels = new int[10][imageWidth*imageWidth];
   orgImage = loadImage("Monroe.jpg");
   draw();
}

void draw() {
  
  
     if (pixelCount==1) {
       image(orgImage, 0, 0, 2, 2);
       color[] colors = new color[4];
       color cp1 = get(0, 0);
       color cp2 = get(0, 1);
       color cp3 = get(1, 0);
       color cp4 = get(1, 1);
       float r = (red(cp1)+red(cp2)+red(cp3)+red(cp4))/4;
       float g = (green(cp1)+green(cp2)+green(cp3)+green(cp4))/4;
       float b = (blue(cp1)+blue(cp2)+blue(cp3)+blue(cp4))/4;
       background(r, g, b);
     } else {
    
       
       
     smooth();
     
     
     
     image(orgImage, 0, 0, pixelCount, pixelCount);
    
    
    
     PImage cp = get(0,0,pixelCount,pixelCount);
     
     
     
     noSmooth();
   
   
   
    image(cp, 0, 0, 400, 400);
     }
}

void mousePressed() {
   if (currentPixelSize==1) {
     return;
   }
   level++;
   currentPixelSize = (int)(Math.ceil(imageWidth * Math.pow(0.5, 
level)));
   pixelCount = imageWidth/currentPixelSize;
   println(currentPixelSize+" "+pixelCount);
   this.draw();
}

// PROGRAMM ENDE