lineview.cpp

本压缩软件为《Visual C++6.0基础教程》（黑魔方系列）一书的源代码

// LineView.cpp : implementation of the CLineView class
//

#include "stdafx.h"
#include "Line.h"

#include "LineDoc.h"
#include "LineView.h"

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

/////////////////////////////////////////////////////////////////////////////
// CLineView

IMPLEMENT_DYNCREATE(CLineView, CView)

BEGIN_MESSAGE_MAP(CLineView, CView)
	//{{AFX_MSG_MAP(CLineView)
	//}}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()

/////////////////////////////////////////////////////////////////////////////
// CLineView construction/destruction

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

}

CLineView::~CLineView()
{
}

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

	return CView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CLineView drawing

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

/////////////////////////////////////////////////////////////////////////////
// CLineView printing

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

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

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

/////////////////////////////////////////////////////////////////////////////
// CLineView diagnostics

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

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

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

/////////////////////////////////////////////////////////////////////////////
// CLineView message handlers
void CLineView::ShowPen(CDC *pDC)
{
	UINT position=10;
	int m=370,n=370;
	for(int x=0; x<28 ;x++)
	{
		CPen pen(PS_SOLID, x*1.2,RGB(245,120,225));
		CPen* oldPen=pDC->SelectObject (&pen);
		position+=x*2+5;
		pDC->MoveTo (m,position);
		pDC->LineTo (n,position);
		pDC->SelectObject (oldPen);
		m=m-20;
		n=n+20;
	}
}