dsotestview.cpp

最新的USB示波器源码?可直接编译生成可执行程序,需要硬件支持

// DSOTESTView.cpp : implementation of the CDSOTESTView class
//

#include "stdafx.h"
#include "DSOTEST.h"

#include "DSOTESTDoc.h"
#include "DSOTESTView.h"

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

/////////////////////////////////////////////////////////////////////////////
// CDSOTESTView

IMPLEMENT_DYNCREATE(CDSOTESTView, CView)

BEGIN_MESSAGE_MAP(CDSOTESTView, CView)
	//{{AFX_MSG_MAP(CDSOTESTView)
	ON_WM_ERASEBKGND()
	//}}AFX_MSG_MAP
	// Standard printing commands
	ON_COMMAND(ID_FILE_PRINT, CView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_DIRECT, CView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_PREVIEW, CView::OnFilePrintPreview)
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CDSOTESTView construction/destruction

CDSOTESTView::CDSOTESTView()
{
	// TODO: add construction code here
  m_bmpSplash.LoadBitmap(IDB_BITMAP_DSO);
}

CDSOTESTView::~CDSOTESTView()
{
}

BOOL CDSOTESTView::PreCreateWindow(CREATESTRUCT& cs)
{
	// TODO: Modify the Window class or styles here by modifying
	//  the CREATESTRUCT cs

	return CView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CDSOTESTView drawing

void CDSOTESTView::OnDraw(CDC* pDC)
{
	CDSOTESTDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	// TODO: add draw code for native data here
}

/////////////////////////////////////////////////////////////////////////////
// CDSOTESTView printing

BOOL CDSOTESTView::OnPreparePrinting(CPrintInfo* pInfo)
{
	// default preparation
	return DoPreparePrinting(pInfo);
}

void CDSOTESTView::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: add extra initialization before printing
}

void CDSOTESTView::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: add cleanup after printing
}

/////////////////////////////////////////////////////////////////////////////
// CDSOTESTView diagnostics

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

void CDSOTESTView::Dump(CDumpContext& dc) const
{
	CView::Dump(dc);
}

CDSOTESTDoc* CDSOTESTView::GetDocument() // non-debug version is inline
{
	ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CDSOTESTDoc)));
	return (CDSOTESTDoc*)m_pDocument;
}
#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// CDSOTESTView message handlers

BOOL CDSOTESTView::OnEraseBkgnd(CDC* pDC) 
{
  CRect rect;
  GetClientRect (&rect);
  HBRUSH key = ::CreateSolidBrush( RGB(205,220,225) );
  BITMAP bm;
  RECT rc;
  m_bmpSplash.GetBitmap( &bm );
  // calc top side of splash bitmap to paint
  rc.left = 0;
  rc.top = 0;
  rc.right = rect.Width();
  rc.bottom = (rect.Height() - bm.bmHeight) / 2;
  FillRect(pDC->GetSafeHdc(), &rc, key);
  // calc left side of splash bitmap to paint
  rc.left = 0;
  rc.top = (rect.Height() - bm.bmHeight) / 2;
  rc.right = (rect.Width() - bm.bmWidth) / 2;
  rc.bottom = (rect.Height() - bm.bmHeight) / 2 + bm.bmHeight;
  ::FillRect(pDC->GetSafeHdc(), &rc, key);
  // calc right side of splash bitmap to paint
  rc.left = (rect.Width() - bm.bmWidth) / 2 + bm.bmWidth;
  rc.top = (rect.Height() - bm.bmHeight) / 2;
  rc.right = rect.Width();
  rc.bottom = (rect.Height() - bm.bmHeight) / 2 + bm.bmHeight;
  ::FillRect(pDC->GetSafeHdc(), &rc, key);
  // calc bottom side of splash bitmap to paint
  rc.left = 0;
  rc.top = (rect.Height() - bm.bmHeight) / 2 + bm.bmHeight;
  rc.right = rect.Width();
  rc.bottom = rect.Height();
  ::FillRect(pDC->GetSafeHdc(), &rc, key);
  ::DeleteObject(key);
  
  if ( m_bmpSplash.GetSafeHandle() )
  {
    pDC->SetStretchBltMode( COLORONCOLOR );
    DrawSplashBmp( pDC );
  }
  return TRUE;	
	return CView::OnEraseBkgnd(pDC);
}

void CDSOTESTView::DrawSplashBmp(CDC *pDC)
{BITMAP bm;
  m_bmpSplash.GetBitmap (&bm);

  CDC memDC;
  memDC.CreateCompatibleDC (pDC);
  
  HGDIOBJ hBmpOld = memDC.SelectObject (m_bmpSplash);

  CRect rc;
  GetClientRect (rc);
  pDC->BitBlt   ((rc.Width () - bm.bmWidth) / 2, (rc.Height () - bm.bmHeight) / 2, bm.bmWidth, bm.bmHeight, &memDC, 0, 0, SRCCOPY);

  memDC.SelectObject (hBmpOld);
  memDC.DeleteDC     ();

}