73 lines
2.0 KiB
C#
73 lines
2.0 KiB
C#
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using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Data;
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using System.Drawing;
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using System.Drawing.Imaging;
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using System.Linq;
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using System.Runtime.InteropServices;
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using System.Text;
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using System.Windows.Forms;
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namespace SOH.QianTai
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{
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public partial class FrmPaiZhao : Form
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{
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private Capture cam;
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public FrmPaiZhao()
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{
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const int VIDEODEVICE = 0; // zero based index of video capture device to use
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const int VIDEOWIDTH = 640; // Depends on video device caps
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const int VIDEOHEIGHT = 480; // Depends on video device caps
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const int VIDEOBITSPERPIXEL = 24; // BitsPerPixel values determined by device
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InitializeComponent();
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cam = new Capture(VIDEODEVICE, VIDEOWIDTH, VIDEOHEIGHT, VIDEOBITSPERPIXEL, panzp);
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}
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public Image img;
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private void FrmPaiZhao_Load(object sender, EventArgs e)
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{
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}
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IntPtr m_ip = IntPtr.Zero;
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private void button1_Click(object sender, EventArgs e)
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{
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Cursor.Current = Cursors.WaitCursor;
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// Release any previous buffer
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if (m_ip != IntPtr.Zero)
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{
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Marshal.FreeCoTaskMem(m_ip);
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m_ip = IntPtr.Zero;
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}
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// capture image
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m_ip = cam.Click();
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Bitmap b = new Bitmap(cam.Width, cam.Height, cam.Stride, PixelFormat.Format24bppRgb, m_ip);
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// If the image is upsidedown
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b.RotateFlip(RotateFlipType.RotateNoneFlipY);
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img = b;
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Cursor.Current = Cursors.Default;
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DialogResult = DialogResult.OK;
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}
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private void FrmPaiZhao_FormClosed(object sender, FormClosedEventArgs e)
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{
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cam.Dispose();
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if (m_ip != IntPtr.Zero)
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{
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Marshal.FreeCoTaskMem(m_ip);
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m_ip = IntPtr.Zero;
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}
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}
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}
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}
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