using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Drawing.Imaging;
using System.Linq;
using System.Runtime.InteropServices;
using System.Text;
using System.Windows.Forms;

namespace SOH.QianTai
{
    public partial class FrmPaiZhao : Form
    {
        private  Capture cam;

        public FrmPaiZhao()
        {
            const int VIDEODEVICE = 0; // zero based index of video capture device to use
            const int VIDEOWIDTH = 640; // Depends on video device caps
            const int VIDEOHEIGHT = 480; // Depends on video device caps
            const int VIDEOBITSPERPIXEL = 24; // BitsPerPixel values determined by device

            
            InitializeComponent();
            cam = new Capture(VIDEODEVICE, VIDEOWIDTH, VIDEOHEIGHT, VIDEOBITSPERPIXEL, panzp);
        }
        public Image img;
        private void FrmPaiZhao_Load(object sender, EventArgs e)
        {
            
        }
        IntPtr m_ip = IntPtr.Zero;
        private void button1_Click(object sender, EventArgs e)
        {
            Cursor.Current = Cursors.WaitCursor;

            // Release any previous buffer
            if (m_ip != IntPtr.Zero)
            {
                Marshal.FreeCoTaskMem(m_ip);
                m_ip = IntPtr.Zero;
            }

            // capture image
            m_ip = cam.Click();
            Bitmap b = new Bitmap(cam.Width, cam.Height, cam.Stride, PixelFormat.Format24bppRgb, m_ip);

            // If the image is upsidedown
            b.RotateFlip(RotateFlipType.RotateNoneFlipY);
            img = b;

            Cursor.Current = Cursors.Default;
            DialogResult = DialogResult.OK;
        }

        private void FrmPaiZhao_FormClosed(object sender, FormClosedEventArgs e)
        {
            cam.Dispose();

            if (m_ip != IntPtr.Zero)
            {
                Marshal.FreeCoTaskMem(m_ip);
                m_ip = IntPtr.Zero;
            }
        }
    }


}