using System;
using System.Runtime.InteropServices;
namespace Wuyin.ShoesManager
...{
/**////
/// VedioCapture 的摘要说明。
///
public class VedioCapture
...{
private int hCaptureM;
private bool isUnLoad = false;
public VedioCapture()
...{
}
[DllImport("avicap32.dll")]
private static extern int capCreateCaptureWindow( string strWindowName, int dwStyle, int x, int y ,int width, int height , int hwdParent, int nID );
[DllImport("user32.dll")]
private static extern int SendMessage( int hwnd , int wMsg, int wParam , int lParam );
[DllImport("user32.dll")]
private static extern int SendMessage( int hwnd , int wMsg, int wParam , string lParam );
[DllImport("Kernel32.dll")]
private static extern bool CloseHandle( int hObject );
public bool Initialize( System.Windows.Forms.Control aContainer , int intWidth, int intHeight )
...{
hCaptureM = capCreateCaptureWindow( "", 0x40000000 | 0x10000000, 0,0,intWidth,intHeight,aContainer.Handle.ToInt32() ,1 );
if( hCaptureM == 0 ) return false;
int ret = SendMessage( hCaptureM , 1034, 0,0 );
if( ret == 0 )
...{
CloseHandle(hCaptureM);
return false;
}
//WM_CAP_SET_PREVIEW
ret = SendMessage( hCaptureM, 1074, 1, 0 );
if( ret == 0 )
...{
this.UnLoad();
return false;
}
//WM_CAP_SET_SCALE
ret = SendMessage( hCaptureM, 1077, 1, 0 );
if( ret == 0 )
...{
this.UnLoad();
return false;
}
//WM_CAP_SET_PREVIEWRATE
ret = SendMessage( hCaptureM, 1076, 66, 0 );
if( ret == 0 )
...{
this.UnLoad();
return false;
}
return true;
}
public void SingleFrameBegin()
...{
//
int ret = SendMessage( hCaptureM, 1094 , 0, 0 );
}
public void SingleFrameEnd()
...{
//
int ret = SendMessage( hCaptureM, 1095 , 0, 0 );
}
public void SingleFrameMode()
...{
//WM_CAP_GRAB_FRAME
int ret = SendMessage( hCaptureM, 1084 , 0, 0 );
//WM_CAP_SET_PREVIEW
//int ret = SendMessage( hCaptureM, 1074 , 0, 0 );
//WM_CAP_SINGLE_FRAME
//ret = SendMessage( hCaptureM, 1096 , 0, 0 );
}
public void PreviewMode()
...{
int ret = SendMessage( hCaptureM, 1074 , 1, 0 );
}
public void UnLoad()
...{
int ret = SendMessage( hCaptureM, 1035, 0, 0 );
CloseHandle( this.hCaptureM );
isUnLoad = true;
}
public void CopyToClipBorad()
...{
int ret = SendMessage( hCaptureM, 1054, 0, 0 );
}
public void ShowFormatDialog()
...{
int ret = SendMessage( hCaptureM, 1065, 0, 0 );
}
public void SaveToDIB( string fileName )
...{
int ret = SendMessage( hCaptureM, 1049, 0, fileName );
}
public void ShowDisplayDialog()
...{
int ret = SendMessage( hCaptureM, 1067, 0, 0 );
}
public System.Drawing.Image getCaptureImage()
...{
System.Windows.Forms.IDataObject iData = System.Windows.Forms.Clipboard.GetDataObject();
System.Drawing.Image retImage = null;
if( iData != null )
...{
if( iData.GetDataPresent( System.Windows.Forms.DataFormats.Bitmap ) )
...{
retImage = (System.Drawing.Image)iData.GetData( System.Windows.Forms.DataFormats.Bitmap );
}
else if( iData.GetDataPresent( System.Windows.Forms.DataFormats.Dib ) )
...{
retImage = (System.Drawing.Image)iData.GetData( System.Windows.Forms.DataFormats.Dib );
}
}
return retImage;
}
~VedioCapture()
...{
if( !isUnLoad )
...{
this.UnLoad();
}
}
}
}
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