okmfcview.cpp

OK视频采集卡VC源代码

		//okCaptureThread(hBoard,BUFFER,0,3);//single

		okCaptureTo(hBoard, BUFFER, 0, 1);//single
		//okSleep(30);
		times = okGetTickCount();
		okGetCaptureStatus(hBoard, 1);
		times = okGetTickCount() - times;

		//buf->scr
		exGetBitmapHeader(hBoard, BUFFER, lpbi); 
		exSetDataToDIB(BUFFER, 0, lpbi, (LPBYTE)lpdib);
		//okStopCapture(hBoard);
	}
	lScrnOffset = exSetToWndRectEx(hBoard, hWnd, m_Centerscreen);
	InvalidateRect(NULL, TRUE);
}

void COkMfcView::OnPaint() 
{
//	CPaintDC dc(this); // device context for painting
	
	{
		PAINTSTRUCT	ps;
		HDC			hDC;
		CDC*		cdc;
		LPBITMAPINFOHEADER	lpBI;
		LPBYTE				lpDIB;
		HDRAWDIB	hdd;
		//HPALETTE	hPal;		

		//hWnd = GetSafeHwnd();
		//hDC = ::BeginPaint(hWnd, &ps);
		cdc = BeginPaint(&ps);
		hDC = cdc->m_hDC;
		exSetPaletteToWnd(hDC);

		lpBI = lpbi;
		lpDIB = (LPBYTE)lpdib;
			
		if (lpBI) 
		{
			RECT	rect;	POINT	pt;
			short	scrbits;

			scrbits = HIWORD(okSetCaptureParam(hBoard, CAPTURE_SCRRGBFORMAT, GETCURRPARAM));
			GetClientRect(&rect);
			if (lpBI->biHeight>rect.bottom)
				rect.top = lpBI->biHeight-rect.bottom;
			else
				rect.top = 0;
			//pt.x=rect.left;
			//ClientToScreen(hWnd,&pt);

			//adjust x abs. offset to 4 align
			//pt.x=LOWORD(lScrnOffset);
			//pt.x= pt.x%4 ? pt.x+4-pt.x%4 : pt.x;
			//pt.y=HIWORD(lScrnOffset);

			pt.x = LOWORD(lScrnOffset);
			pt.y = HIWORD(lScrnOffset);
			ClientToScreen(&pt);
			//adjust x abs. offset to 4 align
			pt.x = pt.x%4 ? pt.x+4-pt.x%4 : pt.x;
			ScreenToClient(&pt);
				
			hdd = DrawDibOpen(); //when to 8 bit dib on NT platform you should use function group DrawDib
							//because they are too slow with GDI funtions group
						// to use DrawDib you must add vfw.h and vfw32.lib 

			//hPal=exSetPaletteToWnd(hDC);
				
			GetVersion();
			if (m_MatchClient == 0) 
				if ((scrbits==8) && (lpBI->biBitCount != 8))  //only on NT4.0 need to do so 
				{
					//DrawDibDraw can not support 16 and 32
					DrawDibDraw(hdd, hDC,				//you must add vfw32.lib 	
						pt.x, pt.y,
						lpBI->biWidth, lpBI->biHeight,				
						(LPBITMAPINFOHEADER)lpBI, lpDIB,
						0, 0, 
						lpBI->biWidth, lpBI->biHeight,
						//DDF_SAME_HDC );
						DDF_BACKGROUNDPAL );
				}
				else  //you can always use this on win95/98/2000
				{
					SetDIBitsToDevice(hDC,	
						pt.x, pt.y,
						lpBI->biWidth, lpBI->biHeight,				
						0, 0,//rect.top, 
						0, lpBI->biHeight,
						lpDIB,
						(LPBITMAPINFO)lpBI,
						DIB_RGB_COLORS
						);
				}
			else //strech in order to match client rect
			{
				rect.left = pt.x;
				rect.top = pt.y;
				if ((iClientWidth > 0) && (iClientHeight>0)) 
				{
					rect.right = iClientWidth + rect.left;
					rect.bottom = iClientHeight + rect.top;
				}

				if ((scrbits == 8) && (lpBI->biBitCount != 8))  //only on NT4.0 need to do so 
				{
					DrawDibDraw(hdd, hDC,
						rect.left,rect.top,
						rect.right,rect.bottom, 
						(LPBITMAPINFOHEADER)lpBI, lpDIB,
						0, 0, 
						lpBI->biWidth, lpBI->biHeight,
						DDF_BACKGROUNDPAL );
				}
				else  //you can always use this on win95/98/2000
				{
					SetStretchBltMode(hDC, STRETCH_DELETESCANS);     
					StretchDIBits(hDC,
						rect.left, rect.top,
						rect.right, rect.bottom, 
						0, 0, 
						lpBI->biWidth, lpBI->biHeight,
						lpDIB, (LPBITMAPINFO)lpBI, 
						DIB_RGB_COLORS,SRCCOPY);
				}
			}
			DrawDibClose(hdd);
		}

		EndPaint(&ps);
	}
	// Do not call CView::OnPaint() for painting messages
}

void COkMfcView::OnExttrigger() 
{
	//测试外触发
	char	string[128];
	int		trigger;

	okCaptureToScreen(hBoard);
	sprintf(string, " Waiting extern trigger...");
	sBar->SetPaneText(0, string);
	trigger = okWaitSignalEvent(hBoard, EVENT_EXTTRIGGER, 10000);//max 10 seconds
	if (trigger == 1) 
		sprintf(string, " Extern trigger came.");
	else if (trigger == -1)
		sprintf(string, " Not support trigger");
	else
		sprintf(string, " Waiting time out");
	okStopCapture(hBoard);
	sBar->SetPaneText(0, string);
}

void COkMfcView::OnAbout() 
{
	//系统信息
	CInfoBox	infoBox;
	infoBox.DoModal();
}

void COkMfcView::OnSignaleinfo() 
{
	//信号源信息
	CSignBox	signBox;
	signBox.DoModal();
}

void COkMfcView::OnBacktoscreen() 
{
	//使序列采集显示

	if (bDispToScreen)
		bDispToScreen = 0;
	else
		bDispToScreen = 1;
}

void COkMfcView::OnUpdateBacktoscreen(CCmdUI* pCmdUI) 
{
	//菜单更新
	pCmdUI->SetCheck(bDispToScreen);
}

void COkMfcView::OnCaptobuffer() 
{
	//序列采集到缓存
	long num;

	exEnableItem(IDM_FREEZE, TRUE);
	okSetSeqCallback(hBoard, exBeginCapture, exBackDisplay, exEndCapture);
	//okSetSeqProcWnd(hBoard,hWnd);
	num = okGetBufferSize(hBoard, NULL, NULL);//			
	okCaptureTo(hBoard, BUFFER, 0, num);//
}

void COkMfcView::OnLooptobuffer() 
{
	//循环序列采集
	exEnableItem(IDM_FREEZE, TRUE);
	okSetSeqCallback(hBoard, exBeginCapture, exBackDisplay, exEndCapture);
	//okSetSeqProcWnd(hBoard,hWnd);
	okCaptureTo(hBoard, BUFFER, 0, -1);//-1: loop infiniately
	//okCaptureSequence(hBoard, 0, -1);//-1: loop infiniately
}

void COkMfcView::OnSetupvideo() 
{
	//设置参数

	okOpenSetParamDlg(hBoard, hWnd);
	//dest(buffer) rect may be changed
	exGetBitmapHeader(hBoard, BUFFER, lpbi); 
	//get current size  
	sampwidth = (short)lpbi->biWidth;
	sampheight = (short)lpbi->biHeight;
	lScrnOffset = exSetToWndRectEx(hBoard, hWnd, m_Centerscreen);
	//get current mask mode
	m_Enablemask = (short)okEnableMask(hBoard, -1);
	if( !okSetConvertParam(hBoard,CONVERT_UPRIGHT,-1))  //rotate offed
	{
		m_UptoRight = TRUE;
		m_UptoLeft = TRUE;
	}
	InvalidateRect(NULL, TRUE);
}

void COkMfcView::OnCapsequence() 
{
	//序列采集	
	total = okOpenSeqCaptureDlg(hBoard, hWnd);
	//dest(buffer) rect may be changed
	exGetBitmapHeader(hBoard, BUFFER, lpbi); 
	//get current size  
	sampwidth = (short)lpbi->biWidth;
	sampheight = (short)lpbi->biHeight;
	lScrnOffset = exSetToWndRectEx(hBoard, hWnd, m_Centerscreen);
}

void COkMfcView::OnUpdateCenterscreen(CCmdUI* pCmdUI) 
{
	pCmdUI->SetCheck(m_Centerscreen);
}

void COkMfcView::OnCenterscreen() 
{
	//使采集到屏幕中心

	if (m_Centerscreen)
		m_Centerscreen = 0;
	else
		m_Centerscreen = 1;
	lScrnOffset = exSetToWndRectEx(hBoard, hWnd, m_Centerscreen); 
	InvalidateRect(NULL, TRUE);
}

void COkMfcView::OnEnablemask() 
{
	//允许采集位屏幕

	if(m_Enablemask)
		m_Enablemask = 0; //disable mask
	else
		m_Enablemask = 1; //positive mask
	okEnableMask(hBoard, m_Enablemask); //set mask
}

void COkMfcView::OnReplaybuffer() 
{
	//回放缓存

	total = (short)okGetBufferSize(hBoard, NULL, NULL);
	okOpenReplayDlgEx(hBoard, hWnd, BUFFER, total, lpbi, (LPBYTE)lpdib);
}

void COkMfcView::OnReplaymemory() 
{
	//回放内存
	int	num;

	num = dwMaxMemSize/exGetFrameSize(hBoard);
	if (lpbi)
		okOpenReplayDlgEx(hBoard, hWnd, (TARGET)lpMemory, num, lpbi, (LPBYTE)lpdib);
}

void COkMfcView::OnReplayfile() 
{
	//回放序列文件
	char	szFileName[128]="\0";
	CSeqNum	csf;

	if (!exGetLoadName(hWnd, szFileName))
		return;
	if (stricmp(strrchr(szFileName, '.'), ".seq")) //non seq file
	{
		if (!csf.DoModal()) return;
	}
	else
		//just get num
		iNumImage = (short)okLoadImageFile(hBoard, szFileName, 0, SCREEN, 0, 0);
						
	okOpenReplayDlgEx(hBoard, hWnd, (TARGET)szFileName, iNumImage, lpbi, (LPBYTE)lpdib);
}

void COkMfcView::OnBuffertoscreen() 
{
	//缓存0传到屏幕

	exSetDataToDIB(BUFFER, 0, lpbi, (LPBYTE)lpdib);
	InvalidateRect(NULL, FALSE);
}

void COkMfcView::OnScreentobuffer() 
{
	//屏幕传到缓存0

	okConvertRect(hBoard, BUFFER, 0, SCREEN, 0, 1);
}

void COkMfcView::OnBuffer0tobuffer1() 
{
	//缓存0传到缓存1

	okTransferRect(hBoard, BUFFER, 1, BUFFER, 0, 1);
}

void COkMfcView::OnBuffer1tobuffer0() 
{
	//缓存1传到缓存0

	okTransferRect(hBoard, BUFFER, 0, BUFFER, 1, 1);
}

void COkMfcView::OnBuffertoframe() 
{
	//缓存0传到帧存

	exEnableItem(IDM_FREEZE, TRUE);
	if (okGetTypeCode(hBoard, NULL) == OK_M60) //special for M60 with frame
		//can only by TransferRect for M60
		okTransferRect(hBoard, FRAME, 0, BUFFER, 0, 1);
	else
		okConvertRect(hBoard, FRAME, 0, BUFFER, 0, 1);
}

void COkMfcView::OnFrametobuffer() 
{
	//帧存传到缓存0
	
	okConvertRect(hBoard, BUFFER, 0, FRAME, 0, 1);
}

void COkMfcView::OnFrametoscreen() 
{
	//帧存传到屏幕

	if (okConvertRect(hBoard, SCREEN, 0, FRAME, 0, 1) > 0) 
	{
		//take buffer size
		exGetBitmapHeader(hBoard, BUFFER, lpbi); 
		exSetDataToDIB(SCREEN, 0, lpbi, (LPBYTE)lpdib);
	}
}

void COkMfcView::OnCaptomemory() 
{
	//序列采集到内存
	
	exEnableItem(IDM_FREEZE, TRUE);
	okSetSeqCallback(hBoard, exBeginCapture, exBackDisplay, exEndCapture);
	if (lpbi) {
		int			num;
		BLOCKINFO	blk;

		blk.iType = BLKHEADER;
		blk.lpBits = (LPBYTE)lpMemory;
		num = dwMaxMemSize/exGetFrameSize(hBoard);
		lpMemory[0]=0;
		//okCaptureByBuffer(hBoard, (TARGET)lpMemory, 0, num);
		okCaptureByBuffer(hBoard,(TARGET)&blk,0,num);
	}
}

void COkMfcView::OnCaptoseqfile() 
{
	//采集到文件
	CSeqNum	csf;
	char	szFileName[128]="\0";
	
	if (!exGetSaveName(hWnd, szFileName))
		return;

	exEnableItem(IDM_FREEZE, TRUE);
	okSetSeqCallback(hBoard, exBeginCapture, exBackDisplay, exEndCapture);
	if (csf.DoModal()) 
	{
		//first delete ok.seq
		DeleteFile(seqfile);
		MessageBox(szFileName);
		okCaptureByBuffer(hBoard, (TARGET)szFileName, 0, iNumImage);
	}
	else
	{
		exEnableItem(IDM_FREEZE, FALSE);
	}
}

void COkMfcView::OnCaptoindirect() 
{
	//(经缓存)实时显示
	exEnableItem(IDM_FREEZE, TRUE);
	okSetConvertParam(hBoard, CONVERT_PALETTE, (LPARAM)NULL);
	bDispToScreen = 2;
	okSetSeqCallback(hBoard,exBeginCapture,exBackDisplay,exEndCapture);
	//just capture to buffer
	okCaptureByBuffer(hBoard, BUFFER, 0, 0);//0: cont.
}

void COkMfcView::OnCaptodirect() 
{
	//(待停)实时显
	okStopCapture(hBoard);

	//must not to upright
	m_UptoRightCheck = FALSE;
	m_UptoLeftCheck = FALSE;
	okSetConvertParam(hBoard,CONVERT_UPRIGHT,0); //un to upright

	lScrnOffset = exSetToWndRectEx(hBoard, hWnd, m_Centerscreen);
	if (okCaptureToScreen(hBoard) <= 0)
		MessageBox("Please try 256 color mode for B/W grabber, and 24 bits mode for color grabber.");
	else {
		MSG		msg;

		exEnableItem(IDM_ACTIVE, FALSE);
		exEnableItem(IDM_FREEZE, TRUE);
		bActive = 1;
		//okCaptureTo(hBoard,BUFFER,0,0);//0: cont.
		//SleepEx(40,TRUE);				

		SetCapture();
		while (1) {

			//PeekMessage(&msg, NULL, 0, 0, PM_REMOVE);
			GetMessage(&msg, NULL, 0, 0);
			if ((msg.message == WM_KEYDOWN) ||
				(msg.message == WM_LBUTTONDOWN) ||
				(msg.message == WM_NCLBUTTONDOWN)) {
				break;
			}
		}
		ReleaseCapture();

		SendMessage(WM_COMMAND, IDM_FREEZE, 0);
		InvalidateRect(NULL, TRUE);
		//UpdateWindow(NULL);
	}
	
}

void COkMfcView::OnCaptoforever() 
{
	//(恒久)实时显

	//must to not match
	m_MatchClient = 0;

	//must not to upright
	m_UptoRightCheck = FALSE;
	m_UptoLeftCheck = FALSE;
	okSetConvertParam(hBoard, CONVERT_UPRIGHT, 0); //un to upright

	exGetBitmapHeader(hBoard, SCREEN, lpbi); 
	lScrnOffset = exSetToWndRectEx(hBoard, hWnd, m_Centerscreen); 
	//UpdateWindow(hWnd);
	okStopCapture(hBoard); //confirm
	//specail capture to frame
	if (okGetTypeCode(hBoard, NULL) == OK_C70) {

		okCaptureTo(hBoard, FRAME, 0, 0);
		exEnableItem(IDM_ACTIVE, FALSE);
		exEnableItem(IDM_FREEZE, TRUE);


	} //normal to screen
	else if (okCaptureToScreen(hBoard) <= 0)
		MessageBox("Please try 256 color mode for B/W grabber, and 24 bits mode for color grabber.");
	else {
		exEnableItem(IDM_ACTIVE, FALSE);
		exEnableItem(IDM_FREEZE, TRUE);
		bActive = 2;
	}
}

void COkMfcView::OnConttobuffer0() 
{
	//实时采到缓存0
	exEnableItem(IDM_FREEZE, TRUE);
	okCaptureTo(hBoard, BUFFER, 0, 0);
}

void COkMfcView::OnConttobuffer1() 
{
	//实时采到缓存1
	exEnableItem(IDM_FREEZE, TRUE);
	okCaptureTo(hBoard, BUFFER, 1, 0);
}

void COkMfcView::OnCaptoframe() 
{
	//实时采到帧存
	exEnableItem(IDM_FREEZE, TRUE);
	okCaptureTo(hBoard, FRAME, 0, 0); //cont.
}