dxconstruction.h

手掌采集程序

// DXConstruction.h: interface for the CDXConstruction class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_DXCONSTRUCTION_H__86F4544B_8FD2_44B0_B8E2_AD41C518C7F4__INCLUDED_)
#define AFX_DXCONSTRUCTION_H__86F4544B_8FD2_44B0_B8E2_AD41C518C7F4__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000


#include <streams.h>
#include <qedit.h>



#define WM_GRAPHNOTIFY  (WM_USER+20)

// Macros
#define SAFE_RELEASE(x) { if (x) x->Release(); x = NULL; }










class CDXConstruction : public CObject  
{
public:
	BOOL DisplayCapturedBits(BYTE *pBuffer, BITMAPINFOHEADER *pbih, HWND hwnd_nmb);
	BOOL Get_Photo(CString str,BYTE *pD,HWND hwnd_nmb);
	BOOL Build_Capture_Graph(IBaseFilter *pS,IBaseFilter *psample,IBaseFilter *pR);
	BOOL GetNRdr(IBaseFilter **pNdr);
	BOOL GetSGRdr(IBaseFilter **psgr,ISampleGrabberCB *pCB);
	BOOL GetCaptureDevice(IBaseFilter **ppCap);
	BOOL IsStopped();
	BOOL Stop();
	BOOL IsRunning();
	BOOL Run();
	BOOL IsPaused();
	BOOL Pause();
	BOOL SetNotifyWindow(HWND inWindow);
	BOOL SetDisplayWindow(HWND inWindow);
	BOOL RenderCaptureLink(ISampleGrabberCB *pCB);
	BOOL QueryInterfaces();
	BOOL Create();
	void RemoveFromObjectTable();
	void AddToObjectTable();
	void Release();
	CDXConstruction();
	virtual ~CDXConstruction();



private:
	ICaptureGraphBuilder2       *mCGBer2;
	IGraphBuilder *     mGraph;
	IBasicVideo   *		mBasicVideo;
	IMediaEventEx *		mEvent;
	IMediaControl *		mMediaControl;
	IMediaSeeking *		mSeeking;
	IVideoWindow  *		mVideoWindow;
	ISampleGrabber*     mSampleGrabber;

	DWORD				mObjectTableEntry;
	LONG                lWidth;
	LONG                lHeight;
};

#endif // !defined(AFX_DXCONSTRUCTION_H__86F4544B_8FD2_44B0_B8E2_AD41C518C7F4__INCLUDED_)