www.pudn.com > vcframe.rar > DlgZoom.cpp

// DlgZoom.cpp : implementation file 
// 
 
#include "stdafx.h" 
#include "match.h" 
#include "DlgZoom.h" 
 
#ifdef _DEBUG 
#define new DEBUG_NEW 
#undef THIS_FILE 
static char THIS_FILE[] = __FILE__; 
#endif 
 
///////////////////////////////////////////////////////////////////////////// 
// CDlgZoom dialog 
 
 
CDlgZoom::CDlgZoom(CWnd* pParent /*=NULL*/) 
	: CDialog(CDlgZoom::IDD, pParent) 
{ 
	//{{AFX_DATA_INIT(CDlgZoom) 
		// NOTE: the ClassWizard will add member initialization here 
	//}}AFX_DATA_INIT 
} 
 
 
void CDlgZoom::DoDataExchange(CDataExchange* pDX) 
{ 
	CDialog::DoDataExchange(pDX); 
	//{{AFX_DATA_MAP(CDlgZoom) 
		// NOTE: the ClassWizard will add DDX and DDV calls here 
	//}}AFX_DATA_MAP 
} 
 
 
BEGIN_MESSAGE_MAP(CDlgZoom, CDialog) 
	//{{AFX_MSG_MAP(CDlgZoom) 
	ON_BN_CLICKED(IDOK, OnOk) 
	ON_BN_CLICKED(IDCANCEL, OnCancle) 
	ON_WM_LBUTTONDOWN() 
	ON_WM_PAINT() 
	ON_WM_SETCURSOR() 
	ON_WM_MOUSEMOVE() 
	//}}AFX_MSG_MAP 
END_MESSAGE_MAP() 
 
///////////////////////////////////////////////////////////////////////////// 
// CDlgZoom message handlers 
 
BOOL CDlgZoom::OnInitDialog()  
{ 
	CDialog::OnInitDialog(); 
	m_bIsUseSelectCursor=FALSE; 
	// TODO: Add extra initialization here 
//	pWnd->Invalidate(); 
//	pWnd->UpdateWindow(); 
   	hSelectPoint=AfxGetApp()->LoadCursor(IDC_SELECT); 
	CWnd* pWnd=GetDlgItem(IDC_STATICL1); 
	 
	pWnd->GetWindowRect(&m_ClientRect); 
	 
	 
	return TRUE;  // return TRUE unless you set the focus to a control 
	              // EXCEPTION: OCX Property Pages should return FALSE 
} 
 
void CDlgZoom::OnOk()  
{ 
	CDialog::OnOK(); 
	 
} 
 
void CDlgZoom::OnCancle()  
{ 
	CDialog::OnCancel(); 
	 
} 
 
void CDlgZoom::OnLButtonDown(UINT nFlags, CPoint point)  
{ 
	 
//	paint(); 
	CDialog::OnLButtonDown(nFlags, point); 
} 
 
void CDlgZoom::paint() 
{ 
 
	if (hdib==NULL) 
		return; 
	 
	 
	LPSTR lpDIB = (LPSTR) ::GlobalLock((HGLOBAL) hdib); 
	CWnd* pWnd=GetDlgItem(IDC_STATICL1); 
	 
	CDC* pDC=pWnd->GetDC(); 
	//   pWnd->Invalidate(); 
	//  pWnd->UpdateWindow(); 
	CRect rcDest; 
	pWnd->GetClientRect(&rcDest); 
	CRect rcDIB; 
	rcDIB.top = m_CursorPoint.y-rcDest.Height()/6; 
	rcDIB.left = m_CursorPoint.x-rcDest.Width()/6; 
	rcDIB.right = m_CursorPoint.x+rcDest.Width()/6; 
	rcDIB.bottom =m_CursorPoint.y+rcDest.Height()/6; 
//	rcDest.bottom*=2; 
//	rcDest.right*=2; 
	 
	 
	 
	::GlobalUnlock((HGLOBAL) hdib); 
	::PaintDIB(pDC->m_hDC,&rcDest,hdib,&rcDIB,NULL); 
		 
 
		 
} 
void CDlgZoom::OnPaint()  
{ 
	CPaintDC dc(this); // device context for painting 
	paint();	 
	// TODO: Add your message handler code here 
	 
	// Do not call CDialog::OnPaint() for painting messages 
} 
BOOL CDlgZoom::OnSetCursor(CWnd* pWnd, UINT nHitTest, UINT message)  
{ 
	if(pWnd==this&&nHitTest == HTCLIENT&&m_bIsUseSelectCursor) 
	{ 
		SetCursor(hSelectPoint); 
		return FALSE; 
		 
	} 
	 
 
	return CDialog::OnSetCursor(pWnd, nHitTest, message); 
	 
} 
 
void CDlgZoom::OnMouseMove(UINT nFlags, CPoint point)  
{ 
	 
	CWnd* pWnd=GetDlgItem(IDC_STATICL1); 
	CRect rect; 
	pWnd->GetClientRect(&rect); 
	pWnd->ClientToScreen(&rect); 
	ClientToScreen(&point); 
	if(rect.PtInRect(point)) 
		m_bIsUseSelectCursor=TRUE; 
	else 
		m_bIsUseSelectCursor=FALSE; 
	CDialog::OnMouseMove(nFlags, point); 
}