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 System.Xml.Linq;
using AForge;
using AForge.Controls;
using AForge.Video.DirectShow;

namespace photo
{
    public partial class Form1 : Form
    {
        private FilterInfoCollection _videoDevices;//摄像设备 

        private VideoCaptureDevice _videoCapture; //捕获设备源

        //private Bitmap bitmap;//处理图片


        public Form1()
        {
            InitializeComponent();

            try
            {
                _videoDevices = new FilterInfoCollection(FilterCategory.VideoInputDevice);
                if (_videoDevices.Count == 0)
                {
                    throw new ApplicationException();
                }
                foreach (FilterInfo filter in _videoDevices)
                {
                    comboBox1.Items.Add(filter.Name);
                }
            }
            catch (Exception)
            {
                comboBox1.Items.Add("没有本地设备");
                _videoDevices = null;
            }
        }

        public void ShutCamera()
        {
            if (videoSourcePlayer1.VideoSource != null)
            {
                videoSourcePlayer1.SignalToStop();
                videoSourcePlayer1.WaitForStop();
                videoSourcePlayer1.VideoSource=null;
            }
        }

        public void CameraConn()
        {
            _videoCapture = new VideoCaptureDevice(_videoDevices[comboBox1.SelectedIndex].MonikerString);
            videoSourcePlayer1.VideoSource = _videoCapture;
            videoSourcePlayer1.Start();
        }

        //private void button1_Click(object sender, EventArgs e)
        //{
        //    try
        //    {
        //        TimeSpan timeSpan = DateTime.UtcNow - new DateTime(1970, 1, 1, 0, 0, 0, 0);
        //        string jpgFile = GetImagePath() + "//" + string.Format("{0}.jpg", (Convert.ToInt64(timeSpan.TotalMilliseconds).ToString()));
        //        bitmap.Save(jpgFile);

        //        MessageBox.Show("保存成功");
        //        button1.Enabled = false;
        //    }
        //    catch (Exception ee)
        //    {

        //        throw ee;
        //    }
    
        //}

        private void button2_Click(object sender, EventArgs e)
        {

        }
    }
}