www.pudn.com > ImageCheck.rar > CaiDX.h

#if !defined(AFX_CAIDX_H__CD778F67_1439_47B4_B21D_92717101F379__INCLUDED_) 
#define AFX_CAIDX_H__CD778F67_1439_47B4_B21D_92717101F379__INCLUDED_ 
 
#if _MSC_VER > 1000 
#pragma once 
#endif // _MSC_VER > 1000 
// CaiDX.h : header file 
// 
#include  
#include  
#include  
///////////////////////////////////////////////////////////////////////////// 
// CCaiDX window 
#define SAFE_RELEASE(x) { if (x) x->Release(); x = NULL; } 
 
class CCaiDX : public CWnd 
{ 
// Construction 
public: 
	CCaiDX(); 
 
// Attributes 
public: 
 
// Operations 
public: 
 
// Overrides 
	// ClassWizard generated virtual function overrides 
	//{{AFX_VIRTUAL(CCaiDX) 
	//}}AFX_VIRTUAL 
 
// Implementation 
public: 
	BOOL GetImage(BYTE** pBuf,LONG& nWidth,LONG& nHeight,int& nBitCount); 
	BOOL CreateVideoFilter(CString strDeviceName, IBaseFilter **pCap); 
	void StopPreview(); 
	BOOL StartPreview(); 
	virtual ~CCaiDX(); 
 
	// Generated message map functions 
protected: 
	BOOL SetPreviewWindow(); 
	//{{AFX_MSG(CCaiDX) 
	afx_msg void OnPaint(); 
	afx_msg void OnSize(UINT nType, int cx, int cy); 
	//}}AFX_MSG 
	DECLARE_MESSAGE_MAP() 
    //预览和采集 Builder 
    CComPtr< IGraphBuilder > m_pGraph; 
	CComPtr< ISampleGrabber > m_pGrabber; 
	CComPtr< ICaptureGraphBuilder2 > m_pBuilder; 
 
	//视频采集设备对象 
	CComPtr< IBaseFilter > m_pCapVideo; 
	BOOL m_bIsPreviewing; 
	CRect m_rtPreview; 
}; 
 
///////////////////////////////////////////////////////////////////////////// 
 
//{{AFX_INSERT_LOCATION}} 
// Microsoft Visual C++ will insert additional declarations immediately before the previous line. 
 
#endif // !defined(AFX_CAIDX_H__CD778F67_1439_47B4_B21D_92717101F379__INCLUDED_)