recttestview.cpp

《Visual C++ 6.0实例教程》配套代码

// RectTestView.cpp : implementation of the CRectTestView class
//

#include "stdafx.h"
#include "RectTest.h"

#include "RectTestDoc.h"
#include "RectTestView.h"
#include "DlgPoint.h"
#include "DlgRect.h"

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

/////////////////////////////////////////////////////////////////////////////
// CRectTestView

IMPLEMENT_DYNCREATE(CRectTestView, CView)

BEGIN_MESSAGE_MAP(CRectTestView, CView)
	//{{AFX_MSG_MAP(CRectTestView)
	ON_COMMAND(ID_RECT_POINT, OnRectPoint)
	ON_COMMAND(ID_RECT_RECT, OnRectRect)
	//}}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()

/////////////////////////////////////////////////////////////////////////////
// CRectTestView construction/destruction

CRectTestView::CRectTestView()
{
	// TODO: add construction code here
	m_OldRect.SetRect(100, 100, 300, 200);
	m_NewRect.SetRect(0, 0, 0, 0);
	m_AddRect.SetRect(0, 0, 0, 0);
	m_Point = CPoint(0, 0);

}

CRectTestView::~CRectTestView()
{
}

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

	return CView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CRectTestView drawing

void CRectTestView::OnDraw(CDC* pDC)
{
	CRectTestDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	// TODO: add draw code for native data here
	pDC->Rectangle(m_OldRect);
	pDC->Rectangle(m_AddRect);
	pDC->Rectangle(m_NewRect);
    
	char temp[10];
	CString strOldRect = "Old rect is: ";
	itoa(m_OldRect.left,temp,10);
	strOldRect += temp;
	strOldRect += "  ";
	itoa(m_OldRect.top,temp,10);
	strOldRect += temp;
	strOldRect += "  ";
	itoa(m_OldRect.right,temp,10);
	strOldRect += temp;
	strOldRect += "  ";
	itoa(m_OldRect.bottom,temp,10);
	strOldRect += temp;

	CString strAddRect = "Add rect is: ";
	itoa(m_AddRect.left,temp,10);
	strAddRect += temp;
	strAddRect += "  ";
	itoa(m_AddRect.top,temp,10);
	strAddRect += temp;
	strAddRect += "  ";
	itoa(m_AddRect.right,temp,10);
	strAddRect += temp;
	strAddRect += "  ";
	itoa(m_AddRect.bottom,temp,10);
	strAddRect += temp;

	CString strNewRect = "New rect is: ";
	itoa(m_NewRect.left,temp,10);
	strNewRect += temp;
	strNewRect += "  ";
	itoa(m_NewRect.top,temp,10);
	strNewRect += temp;
	strNewRect += "  ";
	itoa(m_NewRect.right,temp,10);
	strNewRect += temp;
	strNewRect += "  ";
	itoa(m_NewRect.bottom,temp,10);
	strNewRect += temp;

	CString strPoint = "Point is: ";
	itoa(m_Point.x,temp,10);
	strPoint += temp;
	strPoint += "  ";
	itoa(m_Point.y,temp,10);
	strPoint += temp;
    
	pDC->TextOut(500,30 ,strOldRect);
	pDC->TextOut(500,50 ,strAddRect);
	pDC->TextOut(500,70 ,strNewRect);
	pDC->TextOut(500,90 ,strPoint);
}

/////////////////////////////////////////////////////////////////////////////
// CRectTestView printing

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

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

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

/////////////////////////////////////////////////////////////////////////////
// CRectTestView diagnostics

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

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

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

/////////////////////////////////////////////////////////////////////////////
// CRectTestView message handlers

void CRectTestView::OnRectPoint() 
{
	// TODO: Add your command handler code here
	CDlgPoint dlg;
	if( dlg.DoModal()==IDOK)
	{
		m_Point = CPoint(dlg.m_nX, dlg.m_nY);
		if(dlg.m_nRadio == 0)
		{
			m_NewRect = m_OldRect + m_Point;
		}
		else
		{
			m_NewRect = m_OldRect - m_Point;
		}
	}
	Invalidate();
}

void CRectTestView::OnRectRect() 
{
	// TODO: Add your command handler code here
	CDlgRect dlg;
	if( dlg.DoModal()==IDOK)
	{
		m_AddRect = CRect(dlg.m_nLeft, dlg.m_nTop, dlg.m_nRight, dlg.m_nBottom);
		if(dlg.m_nRadio == 0)
		{
			m_NewRect = m_OldRect + m_AddRect;
		}
		else if(dlg.m_nRadio == 1)
		{
			m_NewRect = m_OldRect;
			m_NewRect -= m_AddRect;
		}
		else if(dlg.m_nRadio == 2)
		{
			m_NewRect = m_OldRect & m_AddRect;
		}
		else 
		{
			m_NewRect = m_OldRect | m_AddRect;
		}
	}
	Invalidate();
	
}