using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using Emgu.CV;
using Emgu.CV.CvEnum;
using Emgu.CV.Structure;
using Emgu.Util;

namespace WindowsFormsApplication1
{
    public partial class Form1 : Form
    {

        private Capture camera;
        private CascadeClassifier faces_cascade, eyes_cascade, mouth_cascade;


        public Form1()
        {
            InitializeComponent();
            faces_cascade = new CascadeClassifier("haarcascade_frontalface_default.xml");
            eyes_cascade = new CascadeClassifier("haarcascade_eye.xml");
            mouth_cascade = new CascadeClassifier("haarcascade_mcs_mouth.xml");

            camera = new Capture();
        }

        private void button1_Click(object sender, EventArgs e)
        {

            if (timer2.Enabled)
                timer2.Stop();
            else
                timer2.Start();


            //pictureBox1.Image = Image.FromFile("lena.jpg");
            //Image<Bgr, Byte> ImageFrame = camera.QueryFrame();
            //pictureBox1.Image = ImageFrame.ToBitmap();

            //timer2.Start();
        }

        private void Form1_Load(object sender, EventArgs e)
        {

        }

        private void Timer2_click(object sender, EventArgs e)
        {
            //Image<Bgr, Byte> ImageFrame = camera.QueryFrame();
            //pictureBox1.Image = ImageFrame.ToBitmap();
            //Image<Bgr, Byte> ImageFrame = new Image<Bgr, Byte>("lena.jpp");
            Capture mMovie = new Capture("MOV_0214.mp4");
            Image<Bgr, byte> ImageFrame = mMovie.QueryFrame();
            Image<Gray, Byte> GrayFrame = ImageFrame.Convert<Gray, Byte>();

           // var faces = faces_cascade.DetectMultiScale(GrayFrame, 1.1, 3, new Size(30, 30), new Size(300, 300));
            var eyes = eyes_cascade.DetectMultiScale(GrayFrame, 1.4, 8, new Size(30, 30), new Size(300, 300));
            var mouth = mouth_cascade.DetectMultiScale(GrayFrame, 1.1, 130, new Size(30, 30), new Size(300, 300));
            var faces = faces_cascade.DetectMultiScale(GrayFrame, 1.1, 200, new Size(30,30), new Size(300, 300));

            if (faces.Length > 0)
            {
                //Bitmap BmpInput = GrayFrame.ToBitmap();
               // Bitmap ExtractedFace;
               // Graphics FaceCanvas;

                foreach (var face in faces)
                {
                     ImageFrame.Draw(face, new Bgr(0, 0, 255), 1);
                     // ImageFrame.Draw(face, new Bgr(0, double.MaxValue, 0), 3);
                   // ExtractedFace = new Bitmap(face.Width, face.Height);
                   // pictureBox2.Size = Size.FromImage(ExtractedFace);
                    pictureBox2.Size = new System.Drawing.Size(face.Width, face.Height);
                    pictureBox2.SizeMode = PictureBoxSizeMode.CenterImage;
                  //  FaceCanvas = Graphics.FromImage(ExtractedFace);
                  //  FaceCanvas.DrawImage(BmpInput, 0, 0, face, GraphicsUnit.Pixel);
                }
                    pictureBox2.Image = ImageFrame.ToBitmap();

            }


                foreach (var eye in eyes)
                    ImageFrame.Draw(eye, new Bgr(0, 255, 0), 1);
                foreach (var mout in mouth)
                    ImageFrame.Draw(mout, new Bgr(255, 0, 0), 1);
                foreach (var face in faces)
                    ImageFrame.Draw(face, new Bgr(0, 0, 255), 1);
                pictureBox1.Image = ImageFrame.ToBitmap();

            }

        private void pictureBox1_Click(object sender, EventArgs e)
        {
        }

        }
    }