consoledlg.cpp

This paper provides video capture and category CcaptureVideo example, in Win2K DirectX9 SDK VC6 thro

// ConsoleDlg.cpp : implementation file
//

#include "stdafx.h"
#include "Console.h"
#include "ConsoleDlg.h"
#include "resource.h"
#include "ParaDlg.h"
#include "MyPropertySheet.h"
#include "..\\inc\\videodispctl.h"

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

/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About

class CAboutDlg : public CDialog
{
public:
	CAboutDlg();

// Dialog Data
	//{{AFX_DATA(CAboutDlg)
	enum { IDD = IDD_ABOUTBOX };
	//}}AFX_DATA

	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CAboutDlg)
	protected:
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
	//}}AFX_VIRTUAL

// Implementation
protected:
	//{{AFX_MSG(CAboutDlg)
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
	//{{AFX_DATA_INIT(CAboutDlg)
	//}}AFX_DATA_INIT
}

void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CAboutDlg)
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
	//{{AFX_MSG_MAP(CAboutDlg)
		// No message handlers
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CConsoleDlg dialog

CConsoleDlg::CConsoleDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CConsoleDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CConsoleDlg)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
	bSnapEnable=FALSE;
    InitFlag=FALSE;
	bShowMax=FALSE;
	bMoveFlag=FALSE;
	//MY CODE STARTS HERE linca
	m_iCardNum = (int)CG300GetCardNumber(); 
	if (m_iCardNum > MAX_CARD_NUMBER)
	{
		m_iCardNum = MAX_CARD_NUMBER;
	}

	//构造各个播放器
	for (int i = 0; i < m_iCardNum; i++)        
	{
		m_pStatic[i] = new CStaticEx(i + 1);    //(i + 1)为卡的序号,从1开始
												//这里CStatic类开始构造，真难找！
	}

	m_hDeskTop = ::GetDesktopWindow();
	
}
CConsoleDlg::~CConsoleDlg()
{
	//释放删除个播放器
	for (int i = 0; i < m_iCardNum; i++)
	{
		delete m_pStatic[i];
	}

	::RedrawWindow(m_hDeskTop, NULL, NULL, RDW_ERASENOW | RDW_UPDATENOW |
			     RDW_ERASE | RDW_NOINTERNALPAINT | RDW_INVALIDATE | RDW_ALLCHILDREN);
}

void CConsoleDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CConsoleDlg)
	
	//}}AFX_DATA_MAP
}



BEGIN_MESSAGE_MAP(CConsoleDlg, CDialog)
	//{{AFX_MSG_MAP(CConsoleDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_SET_BUTTON, OnSetButton)
	ON_BN_CLICKED(IDC_CAPTURE_BUTTON, OnCaptureButton)
	ON_WM_CREATE()
	ON_WM_SIZE()
	ON_WM_SHOWWINDOW()
	ON_WM_MOVE()
	ON_WM_TIMER()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CConsoleDlg message handlers

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

	// Add "About..." menu item to system menu.

	// IDM_ABOUTBOX must be in the system command range.
	ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
	ASSERT(IDM_ABOUTBOX < 0xF000);

	CMenu* pSysMenu = GetSystemMenu(FALSE);
	if (pSysMenu != NULL)
	{
		CString strAboutMenu;
		strAboutMenu.LoadString(IDS_ABOUTBOX);
		if (!strAboutMenu.IsEmpty())
		{
			pSysMenu->AppendMenu(MF_SEPARATOR);
			pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
		}
	}

	// 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
	
	
	pCapButton=(CButton*) GetDlgItem(IDC_CAPTURE_BUTTON);

	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CConsoleDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
	if ((nID & 0xFFF0) == IDM_ABOUTBOX)
	{
		CAboutDlg dlgAbout;
		dlgAbout.DoModal();
	}
	else
	{
		CDialog::OnSysCommand(nID, lParam);
	}
}

// If you add a minimize button to your dialog, you will need the code below
//  to draw the icon.  For MFC applications using the document/view model,
//  this is automatically done for you by the framework.

void CConsoleDlg::OnPaint() 
{
	if (IsIconic())
	{
		CPaintDC dc(this); // device context for painting

		SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);

		// Center icon in client rectangle
		int cxIcon = GetSystemMetrics(SM_CXICON);
		int cyIcon = GetSystemMetrics(SM_CYICON);
		CRect rect;
		GetClientRect(&rect);
		int x = (rect.Width() - cxIcon + 1) / 2;
		int y = (rect.Height() - cyIcon + 1) / 2;

		// Draw the icon
		dc.DrawIcon(x, y, m_hIcon);
	}
	else
	{
		CPaintDC dc(this); // device context for painting 
		//dc.LineTo(100, 100); 
		CDialog::OnPaint();
	}
}

// The system calls this to obtain the cursor to display while the user drags
//  the minimized window.
HCURSOR CConsoleDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CConsoleDlg::OnSetButton() 
{
	CMyPropertySheet aPropertySheet(_T("参数设置"),NULL, m_pStatic);
	aPropertySheet.DoModal();
	
}

void CConsoleDlg::OnCaptureButton() 
{
   	
	/*	BOOL bEnable=1;
	for (int i = 0; i < m_iCardNum; i++) 
	{
	m_pStatic[i]->CaptureToVGA(bEnable);
	}

	pCapButton->EnableWindow(FALSE);
	pStopButton->EnableWindow(TRUE);
	*/
	CString str;
	pCapButton->GetWindowText(str);
	
	if(str=="采 集")
	{		
		str="停 止";
		pCapButton->SetWindowText(str);
		bSnapEnable=TRUE;
		int iImageSize = (m_pStatic[0]->m_rectVideo.Width()) * 
			(m_pStatic[0]->m_rectVideo.Height()) * 4;
	  
	
		int iMode;
		DWORD dwMemSize, dwPhysMem, dwHandle, dwLineAddr;
		int nRet = StaticMemAlloc(&dwMemSize, &dwPhysMem, &dwHandle, &dwLineAddr);
		if((nRet == 0) || (dwMemSize == 0))
		{
			MessageBox("Memory allocates error!", NULL, MB_OK | MB_ICONEXCLAMATION);
			return;
		}
		dwMemSize *= 4 * 1024; // dwMemSize的单位为页数，一页是4K
		if (CStaticEx::m_staticCounts <= 0)
		{
			return;
		}
		//启动各图像卡SnapToMem，数据存放格式由参数设置对话框控制
		for ( int i = 0; i < CStaticEx::m_staticCounts; i++)
		{
			//设置回放参数
			m_pStatic[i]->SetPlayBackParam(i *2* iImageSize, //偏移地址，帧数，图像大小
				2, iImageSize,           //目标窗口的大小
				CSize(m_pStatic[i]->m_rectVideo.Width(), m_pStatic[i]->m_rectVideo.Height()));
			if (m_pStatic[i]->m_iFormMode == FRAME)//数据采集帧/场模式
			{
				iMode = m_pStatic[i]->m_iStoreFmt;//数据存储帧/场模式
			}
			else
			{
				iMode = FRAME;
			}
			
			int iRetVal1= CG300FillToMem(m_pStatic[i]->m_hCG300, 
				(char *)dwLineAddr + m_pStatic[i]->m_dwLineAddrOffset,
				(DWORD)iImageSize*2, 0);
			
			int iRetVal3=CG300SnapOneToMem(m_pStatic[i]->m_hCG300,//启动各图像卡SnapToMem
				dwPhysMem + m_pStatic[i]->m_dwLineAddrOffset, 
				(DWORD)iImageSize*2, iMode);
			
			if(iRetVal3)
				SetTimer(1, 20, NULL);    
			
		}
	}
	
	else
	{
		str="采 集";
		pCapButton->SetWindowText(str);
		KillTimer(1);
		
		for (int j = 0; j < CStaticEx::m_staticCounts; j++)
		{
			CG300Capture(m_pStatic[j]->m_hCG300, FALSE);
		}
		Invalidate(TRUE);
		SendMessage(WM_MOVE);
	
		GetDlgItem(IDC_RECTVIDEO1)->GetClientRect(m_pStatic[0]->m_rectVideo);
	    GetDlgItem(IDC_RECTVIDEO1)->ClientToScreen(m_pStatic[0]->m_rectVideo);
		GetDlgItem(IDC_RECTVIDEO2)->GetClientRect(m_pStatic[1]->m_rectVideo);
	    GetDlgItem(IDC_RECTVIDEO2)->ClientToScreen(m_pStatic[1]->m_rectVideo);
		GetDlgItem(IDC_RECTVIDEO3)->GetClientRect(m_pStatic[2]->m_rectVideo);
	    GetDlgItem(IDC_RECTVIDEO3)->ClientToScreen(m_pStatic[2]->m_rectVideo);
		GetDlgItem(IDC_RECTVIDEO4)->GetClientRect(m_pStatic[3]->m_rectVideo);
	    GetDlgItem(IDC_RECTVIDEO4)->ClientToScreen(m_pStatic[3]->m_rectVideo);
		for(int k = 0; k < m_iCardNum; k++)
		{
			m_pStatic[k]->SetDispWindow(TRUE);
		}	
		
	}
	
}



int CConsoleDlg::OnCreate(LPCREATESTRUCT lpCreateStruct) 
{
	if (CDialog::OnCreate(lpCreateStruct) == -1)
		return -1;
	
    for (int i = 0; i < m_iCardNum; i++)
	{
		//创建每个播放器窗口，初始时窗口为0，窗口大小在WM_SIZE消息响应中调整
		int nResponse=m_pStatic[i]->Create(NULL, WS_CHILD | WS_VISIBLE, CRect(0, 0, 0, 0), this, 1000);
        m_pStatic[i]->OnCreate();     
		
	}
	
	return 0;	
	
}

void CConsoleDlg::OnSize(UINT nType, int cx, int cy) 
{
	CDialog::OnSize(nType, cx, cy);
	
   	::RedrawWindow(m_hDeskTop, NULL, NULL, RDW_ERASENOW | RDW_UPDATENOW |
			     RDW_ERASE | RDW_NOINTERNALPAINT | RDW_INVALIDATE | RDW_ALLCHILDREN);	

}

void CConsoleDlg::OnShowWindow(BOOL bShow, UINT nStatus) 
{
	CDialog::OnShowWindow(bShow, nStatus);
	
	
//	ShowWindow(SW_SHOWMAXIMIZED);
	bShowMax=TRUE;
	InitFlag=TRUE;//设立初始化标记
	GetClientRect(RectMaxShow);
	ClientToScreen(RectMaxShow);
	CRect rectTemp;
	GetDlgItem(IDC_RECTVIDEO1)->GetClientRect(m_pStatic[0]->m_rectVideo);
	GetDlgItem(IDC_RECTVIDEO1)->ClientToScreen(m_pStatic[0]->m_rectVideo);
	GetDlgItem(IDC_RECTVIDEO2)->GetClientRect(m_pStatic[1]->m_rectVideo);
	GetDlgItem(IDC_RECTVIDEO2)->ClientToScreen(m_pStatic[1]->m_rectVideo);
	GetDlgItem(IDC_RECTVIDEO3)->GetClientRect(m_pStatic[2]->m_rectVideo);
	GetDlgItem(IDC_RECTVIDEO3)->ClientToScreen(m_pStatic[2]->m_rectVideo);
	GetDlgItem(IDC_RECTVIDEO4)->GetClientRect(m_pStatic[3]->m_rectVideo);
	GetDlgItem(IDC_RECTVIDEO4)->ClientToScreen(m_pStatic[3]->m_rectVideo);
	for( int i = 0; i < m_iCardNum; i++)
	{
		rectTemp = RectMaxShow;
		//移动播放器到相应位置
		m_pStatic[i]->MoveWindow(rectTemp);
		//重新设置播放器视频输入和输出窗口
		m_pStatic[i]->SetDispWindow(TRUE);
		bMoveFlag=TRUE;

	}
}

void CConsoleDlg::OnMove(int x, int y) 
{
	CDialog::OnMove(x, y);
	bMoveFlag=TRUE;
	if(InitFlag&&bMoveFlag)
	{
		GetDlgItem(IDC_RECTVIDEO1)->GetClientRect(m_pStatic[0]->m_rectVideo);
	    GetDlgItem(IDC_RECTVIDEO1)->ClientToScreen(m_pStatic[0]->m_rectVideo);
		GetDlgItem(IDC_RECTVIDEO2)->GetClientRect(m_pStatic[1]->m_rectVideo);
	    GetDlgItem(IDC_RECTVIDEO2)->ClientToScreen(m_pStatic[1]->m_rectVideo);
		GetDlgItem(IDC_RECTVIDEO3)->GetClientRect(m_pStatic[2]->m_rectVideo);
	    GetDlgItem(IDC_RECTVIDEO3)->ClientToScreen(m_pStatic[2]->m_rectVideo);
		GetDlgItem(IDC_RECTVIDEO4)->GetClientRect(m_pStatic[3]->m_rectVideo);
	    GetDlgItem(IDC_RECTVIDEO4)->ClientToScreen(m_pStatic[3]->m_rectVideo);
		for(int k = 0; k < m_iCardNum; k++)
		{
			m_pStatic[k]->SetDispWindow(TRUE);
		}	

		CRect rect;
		GetClientRect(rect);
		ClientToScreen(rect);
		if(rect.top <=25||rect.left<=1) ReleaseCapture();//禁止左上角移出屏幕

	}
	bMoveFlag=FALSE;
    //刷新整个桌面
	::RedrawWindow(m_hDeskTop, NULL, NULL, RDW_ERASENOW | RDW_UPDATENOW |
			     RDW_ERASE | RDW_NOINTERNALPAINT | RDW_INVALIDATE | RDW_ALLCHILDREN);	
	
}

void CConsoleDlg::OnTimer(UINT nIDEvent) 
{
	int nStatus[4],i;
	int m_iCurFrame[4] ;
	bool bComplete1[4] ;
	memset(m_iCurFrame,0,4*sizeof(int));
	memset(bComplete1,0,4*sizeof(bool));
	switch(nIDEvent)
	{
	case 1:
		
		for ( i = 0; i < CStaticEx::m_staticCounts; i++)
		{
			if(!CG300GetSnappingStatus(m_pStatic[i]->m_hCG300, &nStatus[i]))
				break;
			if(nStatus[i] == 3 && bComplete1[i] == 0)//nStatus=0,3表示正在采集第二幅图像
				
			{                                  
				m_iCurFrame[i] = 1;               //第一幅图像已经采集完毕
				bComplete1[i] = 1;
			}
			
			if(nStatus[i] == 1 && bComplete1[i] == 1)//nStatus=1,2表示正在采集第一幅图像
			{
				m_iCurFrame[i] = 2;               //第二幅图像已经采集完毕
				bComplete1[i] = 0;
			}
			
			if( m_iCurFrame[i] )
			{
				m_pStatic[i]->m_iCurFrame=m_iCurFrame[i]-1;
				m_pStatic[i]->Display();
				m_iCurFrame[i] = 0;
				
			}
		}
		break;
	}	
	CDialog::OnTimer(nIDEvent);
}