inputdialog.cpp

车牌识别及定位

// InputDialog.cpp : implementation file
//

#include "stdafx.h"
#include "BmpTest.h"
#include "InputDialog.h"

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

/////////////////////////////////////////////////////////////////////////////
// CInputDialog dialog


CInputDialog::CInputDialog(CWnd* pParent /*=NULL*/)
	: CDialog(CInputDialog::IDD, pParent)
{
	//{{AFX_DATA_INIT(CInputDialog)
	m_Xt = 0;
	m_Xb = 0;
	m_Yb = 0;
	m_Yt = 0;
	//}}AFX_DATA_INIT
}


void CInputDialog::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CInputDialog)
	DDX_Control(pDX, IDC_PREVIEW, m_Preview);
	DDX_Text(pDX, IDC_XT, m_Xt);
	DDV_MinMaxUInt(pDX, m_Xt, 0, 10000);
	DDX_Text(pDX, IDC_XB, m_Xb);
	DDV_MinMaxUInt(pDX, m_Xb, 0, 10000);
	DDX_Text(pDX, IDC_YB, m_Yb);
	DDV_MinMaxUInt(pDX, m_Yb, 0, 10000);
	DDX_Text(pDX, IDC_YT, m_Yt);
	DDV_MinMaxUInt(pDX, m_Yt, 0, 10000);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CInputDialog, CDialog)
	//{{AFX_MSG_MAP(CInputDialog)
	ON_WM_PAINT()
	ON_EN_CHANGE(IDC_XB, OnChange)
	ON_EN_CHANGE(IDC_XT, OnChange)
	ON_EN_CHANGE(IDC_YB, OnChange)
	ON_EN_CHANGE(IDC_YT, OnChange)
	ON_COMMAND(ID_ZFT_BALANCE, OnZftBalance)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CInputDialog message handlers
//●: 
BOOL CInputDialog::OnInitDialog() 
{
	CDialog::OnInitDialog();
	
	// TODO: Add extra initialization here
	m_Preview.GetWindowRect(rcDest);

	m_Dib.LoadBmp(m_FileName);
	rcSrc.left=0;
	rcSrc.top=0;
	rcSrc.right=m_Dib.Width;
	rcSrc.bottom=m_Dib.Height;

	m_Xt=rcDest.left+rcDest.Width()/3;
	m_Yt=rcDest.top+rcDest.Height()/3;
	m_Xb=rcDest.right-rcDest.Width()/3;
	m_Yb=rcDest.bottom-rcDest.Height()/3;
	UpdateData(FALSE);
	return TRUE;  // return TRUE unless you set the focus to a control
	              // EXCEPTION: OCX Property Pages should return FALSE
}

void CInputDialog::OnPaint() 
{
	CPaintDC dc(this); // device context for painting
	
	// TODO: Add your message handler code here
	m_Dib.Draw(dc.GetSafeHdc(),rcDest,rcSrc);

	CBrush br, * obr;
	br.CreateStockObject(NULL_BRUSH);
	obr=dc.SelectObject(&br);

	dc.Rectangle(m_Xt,m_Yt,m_Xb,m_Yb);

	dc.SelectObject(obr);
	br.DeleteObject();
	// Do not call CDialog::OnPaint() for painting messages
}

void CInputDialog::OnChange() 
{
	// TODO: If this is a RICHEDIT control, the control will not
	// send this notification unless you override the CDialog::OnInitDialog()
	// function and call CRichEditCtrl().SetEventMask()
	// with the ENM_CHANGE flag ORed into the mask.
	
	// TODO: Add your control notification handler code here
	UpdateData();
	Sort(m_Xt,m_Xb);
	Sort(m_Yt,m_Yb);
	if(m_Xt<rcDest.left)
	{
		m_Xt=rcDest.left;
	}
	if(m_Yt<rcDest.top)
	{
		m_Yt=rcDest.top;
	}
	if(m_Xb>rcDest.right)
	{
		m_Xb=rcDest.right;
	}
	if(m_Yb>rcDest.bottom)
	{
		m_Yb=rcDest.bottom;
	}

	InvalidateRect(rcDest,TRUE);
	UpdateWindow();
}

void CInputDialog::Sort(UINT &x0, UINT &x1)
{
	UINT t;
	if(x0>x1)
	{
		t=x1;
		x1=x0;
		x0=t;
	}
}