mappivw.cpp

API经典入门

// mappivw.cpp : implementation of the CMappingView class
//

#include "stdafx.h"
#include "mapping.h"

#include "mappidoc.h"
#include "mappivw.h"

#ifdef _DEBUG
#undef THIS_FILE
static char BASED_CODE THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CMappingView

IMPLEMENT_DYNCREATE(CMappingView, CView)

BEGIN_MESSAGE_MAP(CMappingView, CView)
	//{{AFX_MSG_MAP(CMappingView)
		// NOTE - the ClassWizard will add and remove mapping macros here.
		//    DO NOT EDIT what you see in these blocks of generated code!
	//}}AFX_MSG_MAP
	// Standard printing commands
	ON_COMMAND(ID_FILE_PRINT, CView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_PREVIEW, CView::OnFilePrintPreview)
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CMappingView construction/destruction

CMappingView::CMappingView()
{
	// TODO: add construction code here
}

CMappingView::~CMappingView()
{
}

/////////////////////////////////////////////////////////////////////////////
// CMappingView drawing

void CMappingView::OnDraw(CDC* pDC)
{
	CMappingDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);

	pDC->SetMapMode(MM_HIMETRIC);
	pDC->Ellipse(0,0,200,-1000);
	// draws an ellipse 2mm by 10mm in upper left corner

	pDC->SetMapMode(MM_LOENGLISH);
	pDC->Ellipse(0,0,200,-1000);
	// draws an ellipse 0.2 inches by 1.0 inches 
	// in upper left corner

	pDC->SetMapMode(MM_TEXT);
	pDC->Ellipse(0,0,200,+1000);
	// draws an ellipse 200 pixels by 1000 pixels
	// in upper left corner
}

/////////////////////////////////////////////////////////////////////////////
// CMappingView printing

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

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

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

/////////////////////////////////////////////////////////////////////////////
// CMappingView diagnostics

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

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

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

/////////////////////////////////////////////////////////////////////////////
// CMappingView message handlers