0425_part3.pde

PImage img  ;
int r = 10;//size of ecllipse 
boolean hasLoadedPixels = false;


void setup () {
  size(400, 400) ;
  img = loadImage("SpongeBob.jpg") ; 
  
  image(img, 0, 0) ; 
  loadPixels();
}


void draw() {
  
  if(mousePressed){
    int R = 0, G = 0, B = 0, count = 0;
    for(int i = -r; i < r; i++){
      for(int j = -r; j < r; j++){
        int x = mouseX + i;
        int y = mouseY + j;
        if(x < 0 || x >= width || y < 0 || y >= height) continue;
        if(dist(x, y, mouseX, mouseY) > r) continue;
        R += red(pixels[x + y * width]);
        G += green(pixels[x + y * width]);
        B += blue(pixels[x + y * width]);
        count++;
      }
    }
    if(count > 0){
      color newColor = color(R / count, G / count, B/ count);
      for(int i = -r; i < r; i++){
        for(int j = -r; j < r; j++){
          int x = mouseX + i;
          int y = mouseY + j;
          if(x < 0 || x >= width || y < 0 || y >= height) continue;
          if(dist(x, y, mouseX, mouseY) > r) continue;
          pixels[x + y * width] = newColor;
        }
      }
    }
    
    updatePixels();
  }
}