capture.cpp

VC写的harris角点检测程序。又名plessey

// Capture.cpp : implementation file
//

#include "stdafx.h"
#include "ImageCodes.h"
#include "Capture.h"
 

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

extern HWND m_hCapWnd;
extern CCapture dlg;
/////////////////////////////////////////////////////////////////////////////
// CCapture dialog


CCapture::CCapture(CWnd* pParent /*=NULL*/)
	: CDialog(CCapture::IDD, pParent)
{
	//{{AFX_DATA_INIT(CCapture)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT

}


void CCapture::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CCapture)
		// NOTE: the ClassWizard will add DDX and DDV calls here
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CCapture, CDialog)
	//{{AFX_MSG_MAP(CCapture)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CCapture message handlers

BOOL CCapture::OnInitDialog() 
{
	CDialog::OnInitDialog();

	// Set the icon for this dialog.  The framework does this automatically
	//  when the application's main window is not a dialog
	SetIcon(m_hIcon, TRUE);			// Set big icon
	SetIcon(m_hIcon, FALSE);		// Set small icon
	
	PV_InitHW();
	// TODO: Add extra initialization here
	m_bInit = FALSE;
	CWnd * pWnd = GetDlgItem(IDC_VEDIO );
	CRect rect ;
	pWnd->GetWindowRect(&rect);//得到窗口大小


  
	// 设置预视窗口
	m_hCapWnd = capCreateCaptureWindow((LPTSTR)TEXT("Capture Test"), // 标题
							WS_CHILD | WS_VISIBLE 
							| WS_EX_CLIENTEDGE 
							| WS_EX_DLGMODALFRAME,  // 风格
							0, 0, rect.Width(), rect.Width(),  // 大小
							pWnd->GetSafeHwnd(),  // 窗口句柄
							(int) 0);  // 窗口的ID号
	ASSERT(m_hCapWnd);
		// 连接驱动器
	if(capDriverConnect(m_hCapWnd, 0)) // 连接第0号驱动器
	{
		m_bInit = TRUE;
		// 得到驱动器的性能
		capDriverGetCaps(m_hCapWnd, &m_CapDrvCap, sizeof(CAPDRIVERCAPS));
		// 是否初始化成功
		if(m_CapDrvCap.fCaptureInitialized)
		{
			// 得到驱动器状态
			capGetStatus(m_hCapWnd ,&m_CapStatus, sizeof(m_CapStatus));
			// 设置预视帧率
			//capPreviewRate(m_hCapWnd, 30);
			// 设置为预视方式
			//capPreview(m_hCapWnd, TRUE);
            capOverlay(m_hCapWnd, TRUE);
		}
		else
		{// 初始化未成功
			AfxMessageBox("Driver not initialized!");
			AfxGetMainWnd()->PostMessage(WM_CLOSE);
		}
	}
	else
	{ // 未能连接到驱动器
		AfxMessageBox("Conncet to driver Fail!");
		AfxGetMainWnd()->PostMessage(WM_CLOSE);
	}
	// 设置捕捉文件
	m_CapFileName = "G:\\Capture.avi";
	capFileSetCaptureFile(m_hCapWnd, m_CapFileName.GetBuffer(255));


	//设置视频数据回调函数
//**    capSetCallbackOnVideoStream(m_hCapWnd,(FARPROC)VideoCallbackProc);
	return TRUE;  // return TRUE  unless you set the focus to a control
}

CCapture::~CCapture()
{
    // 断开驱动器连接
	   PV_DeInitHW();
	   capDriverDisconnect(m_hCapWnd);
	   ::DestroyWindow(dlg);	
}