import processing.video.*;

Capture cam;
PImage img;
boolean outputOne = true;
boolean captured = false;
boolean saved = false;
boolean update = true;
color cTrans = color(0, 0, 0,0);

void setup() {
  size(640, 480);

  String[] cameras = Capture.list();

  if (cameras.length == 0) {
    println("There are no cameras available for capture.");
    exit();
  } else {
    println("Available cameras:");
    for (int i = 0; i < cameras.length; i++) {
      print(i);
      print(" , ");
      println(cameras[i]);
    }

    // The camera can be initialized directly using an
    // element from the array returned by list():
    cam = new Capture(this, cameras[49 ]);
    cam.start();
  }
}

void draw() {
  if (captured == false) {
    if (cam.available() == true) {
      cam.read();
    }
    image(cam, 0, 0);
    // The following does the same, and is faster when just drawing the image
    // without any additional resizing, transformations, or tint.
    //set(0, 0, cam);
  }
  else
  {
    PImage primg;
    primg = img;
    primg.loadPixels();
    for (int y = 0; y < primg.height; y++) {
      for (int x = 0; x < primg.width; x++) {
        int loc = x + y*primg.width;
        color c = primg.pixels[loc];
        float r = red(c);
        float g = green(c);
        float b = blue(c);
        float h = hue(c);
        float s = saturation(c);
        float br = brightness(c);

        //println(br);
        if (h > 120 && h < 155 ) {
          primg.pixels[loc] = cTrans;
        }

      }
      primg.updatePixels();
    }
      background(100,0,0);
      image(primg, 0, 0);
      if(saved){
        PImage simg = createImage(primg.width,primg.height, RGB);
        simg = primg.get();
        if(outputOne){
          simg.save("img1.png");
          outputOne = false;
        }else{
          simg.save("img2.png");
          outputOne = true;
        }


      saved = false;
    }
  }
  update = false;
  }

void keyPressed() {
  if (key == ' ') {
    if (captured == false) {
      img = cam;
      captured = true;
      update = false;
      saved = true;
    } else {
      captured = false;
    }
  }

}