// VideoShowDlg.cpp : implementation file
//

#include "stdafx.h"
#include "VideoShow.h"
#include "VideoShowDlg.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()

/////////////////////////////////////////////////////////////////////////////
// CVideoShowDlg dialog

CVideoShowDlg::CVideoShowDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CVideoShowDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CVideoShowDlg)
	m_ResizeHeigh = 240;
	m_ResizeWidth = 320;
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CVideoShowDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CVideoShowDlg)
	DDX_Text(pDX, IDC_RESIZEHEIGH, m_ResizeHeigh);
	DDX_Text(pDX, IDC_RESIZEWIDE, m_ResizeWidth);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CVideoShowDlg, CDialog)
	//{{AFX_MSG_MAP(CVideoShowDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_PREVIEW, OnPreview)
	ON_BN_CLICKED(IDC_PAUSE, OnPause)
	ON_BN_CLICKED(IDC_STOP, OnStop)
	ON_BN_CLICKED(IDC_SIZECHANGE, OnSizechange)
	ON_BN_CLICKED(IDC_FACEDETECT, OnFacedetect)
	ON_WM_LBUTTONDOWN()
	ON_BN_CLICKED(IDC_CAMSHIFT, OnCamshift)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CVideoShowDlg message handlers

BOOL CVideoShowDlg::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
	
	// TODO: Add extra initialization here
	
    GetDlgItem(IDC_VIDEOSHOW)->MoveWindow(10,10,320,240);
	GetDlgItem(IDC_ZUOZHE)->SetWindowText("作者：于泓\n郵箱yuhong651981@163.com");
	m_VideoWin.SubclassDlgItem(IDC_VIDEOSHOW,this);
    
	//設置人臉檢測標志;
    m_VideoWin.m_State=STATE_NOVIEW;
    GetDlgItem(IDC_FACEOPEN)->SetWindowText("CLOSE");
	GetDlgItem(IDC_STATIC_CAMSHIFT)->SetWindowText("CLOSE");
    m_VideoWin.DrawNoviewBackGround();
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CVideoShowDlg::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 CVideoShowDlg::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
	{   
       
		CDialog::OnPaint();
	}
}

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

void CVideoShowDlg::OnPreview() 
{
	// TODO: Add your control notification handler code here
	m_VideoWin.StartVideoPreview();	
}

void CVideoShowDlg::OnPause() 
{
	// TODO: Add your control notification handler code here
	m_VideoWin.PauseVideoPreview();
}

void CVideoShowDlg::OnStop() 
{
	// TODO: Add your control notification handler code here
    m_VideoWin.StopVideoPreview();
}

void CVideoShowDlg::OnSizechange() 
{
	// TODO: Add your control notification handler code here
	UpdateData();
	
	
	GetDlgItem(IDC_VIDEOSHOW)->MoveWindow(10,10,m_ResizeHeigh,m_ResizeWidth);	
}

void CVideoShowDlg::OnFacedetect() 
{
	// TODO: Add your control notification handler code here
    //檢測是否已經打開了人臉檢測功能

	//如果沒有打開,開啟人臉檢測功能
    if(m_VideoWin.m_State!=STATE_FACEDETECT)
    {
    //人臉檢測初始化 
	if(!m_VideoWin.FaceDectectInit())
    {
		::AfxMessageBox("無法加載人臉特征庫");
		return;
	}
    m_VideoWin.m_State=STATE_FACEDETECT;
	GetDlgItem(IDC_FACEOPEN)->SetWindowText("OPEN");
    GetDlgItem(IDC_STATIC_CAMSHIFT)->SetWindowText("CLOSE");

	}
    else
	{
	//如果已經打開人臉檢測功能,則關閉
    m_VideoWin.m_State=STATE_PREVIEW;
	GetDlgItem(IDC_FACEOPEN)->SetWindowText("CLOSE");
	}
}

void CVideoShowDlg::OnLButtonDown(UINT nFlags, CPoint point) 
{
	// TODO: Add your message handler code here and/or call default

	CDialog::OnLButtonDown(nFlags, point);
}

void CVideoShowDlg::OnCamshift() 
{
	// TODO: Add your control notification handler code here
		// TODO: Add your control notification handler code here
    //檢測是否已經打開了跟蹤檢測功能

	//如果沒有打開,開啟跟蹤檢測功能
    if(m_VideoWin.m_State!=STATE_CAMSHIFT)
    {
    
    m_VideoWin.m_State=STATE_CAMSHIFT;
	GetDlgItem(IDC_STATIC_CAMSHIFT)->SetWindowText("OPEN");
    GetDlgItem(IDC_FACEOPEN)->SetWindowText("CLOSE");
	}
    else
	{
	//如果已經打開人臉檢測功能,則關閉
    m_VideoWin.m_State=STATE_PREVIEW;
	GetDlgItem(IDC_STATIC_CAMSHIFT)->SetWindowText("CLOSE");
	}
}

void CVideoShowDlg::OnOK() 
{
	// TODO: Add extra validation here
	OnStop();
	CDialog::OnOK();
}