pictureview.cpp

VC6开发的用于进行色谱分析的示例

// pictureView.cpp : implementation file
//

#include "stdafx.h"
#include "MyWork.h"
#include "pictureView.h"



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

/////////////////////////////////////////////////////////////////////////////
// CpictureView

IMPLEMENT_DYNCREATE(CpictureView, CView)

CpictureView::CpictureView()
{
}

CpictureView::~CpictureView()
{
}


BEGIN_MESSAGE_MAP(CpictureView, CView)
	//{{AFX_MSG_MAP(CpictureView)
		// NOTE - the ClassWizard will add and remove mapping macros here.
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CpictureView drawing

void CpictureView::OnDraw(CDC* pDC)
{
	CDocument* pDoc = GetDocument();
	// TODO: add draw code here
	//初始化图片界面
   CBitmap Bitmap;
   if (GetDocument()->m_picpath=="")
   {
		Bitmap.LoadBitmap(IDB_BITMAP1);
   }
   else
   {
	   	HBITMAP hBitmap=(HBITMAP)LoadImage(NULL,_T(GetDocument()->m_picpath),IMAGE_BITMAP,
			600,350,LR_CREATEDIBSECTION|LR_DEFAULTSIZE|LR_LOADFROMFILE);
		Bitmap.Attach(hBitmap);
	}
   CDC dcImage;
   dcImage.CreateCompatibleDC(pDC);
   CBitmap *pOldBitmap=dcImage.SelectObject(&Bitmap);
   BITMAP bm;
   Bitmap.GetObject(sizeof(BITMAP),&bm);
   pDC->BitBlt(0,0,bm.bmWidth,bm.bmHeight,&dcImage,0,0,SRCCOPY);
   dcImage.SelectObject(pOldBitmap);
}

/////////////////////////////////////////////////////////////////////////////
// CpictureView diagnostics

#ifdef _DEBUG
void CpictureView::AssertValid() const
{
	CView::AssertValid();
}

void CpictureView::Dump(CDumpContext& dc) const
{
	CView::Dump(dc);
}
#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// CpictureView message handlers

void CpictureView::OnUpdate(CView* pSender, LPARAM lHint, CObject* pHint) 
{
	// TODO: Add your specialized code here and/or call the base class
	
	
	this->Invalidate();
	
}

CMyWorkDoc * CpictureView::GetDocument()
{
	ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CMyWorkDoc)));
	return (CMyWorkDoc*)m_pDocument;
}