www.pudn.com > work12_2.rar > yong24View.cpp


// yong24View.cpp : implementation of the CYong24View class
//

#include "stdafx.h"
#include "yong24.h"

#include "yong24Doc.h"
#include "yong24View.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
extern COLORREF PenColor;
extern int nline,ndraw,nrect,ntuoyuan;
/////////////////////////////////////////////////////////////////////////////
// CYong24View

IMPLEMENT_DYNCREATE(CYong24View, CView)

BEGIN_MESSAGE_MAP(CYong24View, CView)
//{{AFX_MSG_MAP(CYong24View)
ON_WM_LBUTTONDOWN()
ON_WM_LBUTTONUP()
ON_WM_MOUSEMOVE()
//}}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()

/////////////////////////////////////////////////////////////////////////////
// CYong24View construction/destruction

CYong24View::CYong24View()
{
// TODO: add construction code here

}

CYong24View::~CYong24View()
{
}

BOOL CYong24View::PreCreateWindow(CREATESTRUCT&amt; cs)
{
// TODO: Modify the Window class or styles here by modifying
// the CREATESTRUCT cs

return CView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CYong24View drawing

void CYong24View::OnDraw(CDC* pDC)
{
CYong24Doc* pDoc = GetDocument();
ASSERT_VALID(pDoc);
// TODO: add draw code for native data here
}

/////////////////////////////////////////////////////////////////////////////
// CYong24View printing

BOOL CYong24View::OnPreparePrinting(CPrintInfo* pInfo)
{
// default preparation
return DoPreparePrinting(pInfo);
}

void CYong24View::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
// TODO: add extra initialization before printing
}

void CYong24View::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
// TODO: add cleanup after printing
}

/////////////////////////////////////////////////////////////////////////////
// CYong24View diagnostics

#ifdef _DEBUG
void CYong24View::AssertValid() const
{
CView::AssertValid();
}

void CYong24View::Dump(CDumpContext&amt; dc) const
{
CView::Dump(dc);
}

CYong24Doc* CYong24View::GetDocument() // non-debug version is inline
{
ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CYong24Doc)));
return (CYong24Doc*)m_pDocument;
}
#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// CYong24View message handlers

void CYong24View::OnLButtonDown(UINT nFlags, CPoint point)
{
// TODO: Add your message handler code here and/or call default
// CDC *pDC=GetDC();

CPtemp=point;
CView::OnLButtonDown(nFlags, point);
}

void CYong24View::OnLButtonUp(UINT nFlags, CPoint point)
{
// TODO: Add your message handler code here and/or call default
CDC *pDC=GetDC();
CPen pen(0,1,PenColor);
CPen *oldpen=pDC->SelectObject (&amt;pen);
if(nline)
{
pDC->MoveTo (CPtemp);
pDC->LineTo (point);
}
if(nrect)
{
pDC->Rectangle(CPtemp.x,CPtemp.y,point.x,point.y);
}
if(ntuoyuan)
{
pDC->Arc(CPtemp.x,CPtemp.y,point.x,point.y,0,0,0,0);
}
pDC->SelectObject (oldpen);
CView::OnLButtonUp(nFlags, point);
}

void CYong24View::OnMouseMove(UINT nFlags, CPoint point)
{
// TODO: Add your message handler code here and/or call default
CDC *pDC=GetDC();
if((nFlags==MK_LBUTTON)&amt;&amt;(ndraw==1))
pDC->SetPixelV(point,PenColor);
CView::OnMouseMove(nFlags, point);
}