📄 drawview.cpp
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// DrawView.cpp : implementation of the CDrawView class
//
#include "stdafx.h"
#include "ToolbarDialog.h"
#include "DrawDoc.h"
#include "DrawView.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
/////////////////////////////////////////////////////////////////////////////
// CDrawView
IMPLEMENT_DYNCREATE(CDrawView, CView)
BEGIN_MESSAGE_MAP(CDrawView, CView)
//{{AFX_MSG_MAP(CDrawView)
ON_WM_LBUTTONDOWN()
//}}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()
/////////////////////////////////////////////////////////////////////////////
// CDrawView construction/destruction
CDrawView::CDrawView()
{
// TODO: add construction code here
}
CDrawView::~CDrawView()
{
}
BOOL CDrawView::PreCreateWindow(CREATESTRUCT& cs)
{
// TODO: Modify the Window class or styles here by modifying
// the CREATESTRUCT cs
return CView::PreCreateWindow(cs);
}
/////////////////////////////////////////////////////////////////////////////
// CDrawView drawing
void CDrawView::OnDraw(CDC* pDC)
{
CDrawDoc* pDoc = GetDocument();
ASSERT_VALID(pDoc);
CBrush brush( RGB( 255, 0, 255 ) );
CBrush* pOldBrush = pDC->SelectObject( &brush );
CRect rect( pDoc->m_point.x-20, pDoc->m_point.y-20,
pDoc->m_point.x+20, pDoc->m_point.y+20 );
switch( pDoc->m_shape )
{
default :
ASSERT( FALSE ); // We should never get here !
break;
case CDrawDoc::SQUARE :
pDC->Rectangle( rect );
break;
case CDrawDoc::CIRCLE :
pDC->Ellipse( rect );
break;
}
CPen pen( PS_SOLID, 2, RGB( 0, 0, 0 ) );
CPen* pOldPen = pDC->SelectObject( &pen );
pDC->MoveTo( pDoc->m_point.x-3, pDoc->m_point.y-3 );
pDC->LineTo( pDoc->m_point.x+3, pDoc->m_point.y+3 );
pDC->MoveTo( pDoc->m_point.x-3, pDoc->m_point.y+3 );
pDC->LineTo( pDoc->m_point.x+3, pDoc->m_point.y-3 );
pDC->SelectObject( pOldPen );
pDC->SelectObject( pOldBrush );
}
/////////////////////////////////////////////////////////////////////////////
// CDrawView printing
BOOL CDrawView::OnPreparePrinting(CPrintInfo* pInfo)
{
// default preparation
return DoPreparePrinting(pInfo);
}
void CDrawView::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
// TODO: add extra initialization before printing
}
void CDrawView::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
// TODO: add cleanup after printing
}
/////////////////////////////////////////////////////////////////////////////
// CDrawView diagnostics
#ifdef _DEBUG
void CDrawView::AssertValid() const
{
CView::AssertValid();
}
void CDrawView::Dump(CDumpContext& dc) const
{
CView::Dump(dc);
}
CDrawDoc* CDrawView::GetDocument() // non-debug version is inline
{
ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CDrawDoc)));
return (CDrawDoc*)m_pDocument;
}
#endif //_DEBUG
/////////////////////////////////////////////////////////////////////////////
// CDrawView message handlers
void CDrawView::OnLButtonDown(UINT nFlags, CPoint point)
{
CDrawDoc* pDoc = GetDocument();
pDoc->m_point = point;
pDoc->UpdateAllViews( NULL );
pDoc->SetModifiedFlag( TRUE );
CView::OnLButtonDown(nFlags, point);
}
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