// Learning Processing
  // Daniel Shiffman
  // http://www.learningprocessing.com
  
  // Example 16-7: Video pixelation
  
  import processing.video.*;
  
  // Size of each cell in the grid, ratio of window size to video size
  int videoScale = 8;
  // Number of columns and rows in our system
  int cols, rows;
  // Variable to hold onto Capture object
  Capture video;
  
  void setup() {
    size(640,480);
    
    // Initialize columns and rows
    cols = width/videoScale;
    rows = height/videoScale;
    video = new Capture(this,cols,rows,30);
  }
  
  void draw() {
    // Read image from the camera
    if (video.available()) {
      video.read();
    }
    video.loadPixels();
    
    // Begin loop for columns
    for (int i = 0; i < cols; i++) {
      // Begin loop for rows
      for (int j = 0; j < rows; j++) {
        
        // Where are we, pixel-wise?
        int x = i*videoScale;
        int y = j*videoScale;
        // Looking up the appropriate color in the pixel array
        color c = video.pixels[i + j*video.width];
        fill(c);
        stroke(0);
        rect(x,y,videoScale,videoScale);
      }
    }
  }