cclsstaticpictureview.cpp

Symbol_MC3000_C#.条码扫码范例程序之5

// cClsStaticPictureView.cpp : implementation file
//
#include "stdafx.h"
#include "resource.h"
#include "DIBSectionCE.h"
#include "voimage.h"
#include "ParamManagerDlg.h"
#include "cClsStaticPictureView.h"

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

/////////////////////////////////////////////////////////////////////////////
// CStaticPictureView

CStaticPictureView::CStaticPictureView()
                   :m_sPictureName(_T(""))
{

};

CStaticPictureView::~CStaticPictureView()
{
};


BEGIN_MESSAGE_MAP(CStaticPictureView, CStatic)
	//{{AFX_MSG_MAP(CStaticPictureView)
	ON_WM_PAINT()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()


void CStaticPictureView::OnPaint() 
{
	CPaintDC dc(this); // device context for painting
    RECT   rect;
	BOOL   bLoad;
	GetClientRect(&rect);
	if(m_sPictureName.IsEmpty() /*file not correct */)
	{
		CBrush *pBrush = new CBrush(RGB(255,255,255));
     	dc.FillRect(CRect(0,0,rect.right ,rect.bottom),pBrush);
        dc.MoveTo(0,0);
		dc.LineTo(rect.right,rect.bottom);
		dc.MoveTo(rect.right,0);
		dc.LineTo(0,rect.bottom);
		pBrush->DeleteObject();		
		delete pBrush;
		return ;
	};
   CVOImage *pvoimage = new CVOImage();
   pvoimage->Load(dc.GetSafeHdc(),m_sPictureName);
	if((bLoad = pvoimage->IsLoaded()) == TRUE)
	  pvoimage->Draw(dc.GetSafeHdc(),0,0,rect.right,rect.bottom);
	else
	{
      CDIBSectionCE DIBSection;
	  if(bLoad = DIBSection.Load((LPCTSTR)m_sPictureName))
	  {		  
		  CSize size(rect.right,rect.bottom);
		  DIBSection.Stretch(&dc, CPoint(0,0), size);
	  };
  	};

   if(bLoad == FALSE)
   {
    AfxMessageBox(L"与楼层关联的楼层图打开失败或已经删除!");
	CBrush *pBrush = new CBrush(RGB(255,255,255));
	dc.FillRect(CRect(0,0,rect.right ,rect.bottom),pBrush);
	dc.MoveTo(0,0);
	dc.LineTo(rect.right,rect.bottom);
	dc.MoveTo(rect.right,0);
	dc.LineTo(0,rect.bottom);
	pBrush->DeleteObject();		
	delete pBrush;	
   }
   delete pvoimage;
};
/*
 *	
 */
VOID CStaticPictureView::SetDIB(CString sDIB)
{
   m_sPictureName = sDIB;
   Invalidate();
};