import processing.video.*;

class CamModule
{

  private Capture cam;
  private PImage frame;
  private int w, h, offSet;

  CamModule(PApplet applet, int _w, int _h, int _o)
  {
    w = _w;
    h = _h;
    offSet = _o;
    String[] devices = Capture.list();
    //println(devices);
    //comment in the above line if you don't know which port your webcam is plugged into
    cam = new Capture(applet, width, height, devices[1]);
    frame = createImage(w, h, RGB);
  }
  
  public PImage bitmap()
  {
    //read the full image from the webcam and copy out the pixels needed
    if (cam.available()) {
        cam.read();  
        frame.copy(cam, offSet, 0, w, h, 0, 0, w, h);
    }
    return frame;
  }
}