graphicview.cpp

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// GraphicView.cpp : implementation of the CGraphicView class
//

#include "stdafx.h"
#include "Graphic.h"

#include "GraphicDoc.h"
#include "GraphicView.h"

#include "Graph.h"

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

/////////////////////////////////////////////////////////////////////////////
// CGraphicView

IMPLEMENT_DYNCREATE(CGraphicView, CView)

BEGIN_MESSAGE_MAP(CGraphicView, CView)
	//{{AFX_MSG_MAP(CGraphicView)
	ON_COMMAND(IDM_FILE_WRITE, OnFileWrite)
	ON_COMMAND(IDM_FILE_READ, OnFileRead)
	ON_COMMAND(IDM_DOT, OnDot)
	ON_COMMAND(IDM_LINE, OnLine)
	ON_COMMAND(IDM_RECTANGLE, OnRectangle)
	ON_COMMAND(IDM_ELLIPSE, OnEllipse)
	ON_WM_LBUTTONDOWN()
	ON_WM_LBUTTONUP()
	//}}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()

/////////////////////////////////////////////////////////////////////////////
// CGraphicView construction/destruction

CGraphicView::CGraphicView()
{
	// TODO: add construction code here
	m_nDrawType=0;
	m_ptOrigin=0;
}

CGraphicView::~CGraphicView()
{
}

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

	return CView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CGraphicView drawing

void CGraphicView::OnDraw(CDC* pDC)
{
	CGraphicDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	// TODO: add draw code for native data here
	int nCount;
	//nCount=m_obArray.GetSize();
	nCount=pDoc->m_obArray.GetSize();
	for(int i=0;i<nCount;i++)
	{
		//((CGraph*)m_obArray.GetAt(i))->Draw(pDC);
		((CGraph*)pDoc->m_obArray.GetAt(i))->Draw(pDC);
	}
}

/////////////////////////////////////////////////////////////////////////////
// CGraphicView printing

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

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

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

/////////////////////////////////////////////////////////////////////////////
// CGraphicView diagnostics

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

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

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

/////////////////////////////////////////////////////////////////////////////
// CGraphicView message handlers

void CGraphicView::OnFileWrite() 
{
	// TODO: Add your command handler code here
	CFile file("1.txt",CFile::modeCreate | CFile::modeWrite);
	CArchive ar(&file,CArchive::store);
	int i=4;
	char ch='a';
	float f=1.3f;
	CString str("http://www.sunxin.org");
	ar<<i<<ch<<f<<str;
}

void CGraphicView::OnFileRead() 
{
	// TODO: Add your command handler code here
	CFile file("1.txt",CFile::modeRead);
	CArchive ar(&file,CArchive::load);
	int i;
	char ch;
	float f;
	CString str;
	CString strResult;
	ar>>i>>ch>>f>>str;
	strResult.Format("%d,%c,%f,%s",i,ch,f,str);
	MessageBox(strResult);
}

void CGraphicView::OnDot() 
{
	// TODO: Add your command handler code here
	m_nDrawType=1;
}

void CGraphicView::OnLine() 
{
	// TODO: Add your command handler code here
	m_nDrawType=2;
}

void CGraphicView::OnRectangle() 
{
	// TODO: Add your command handler code here
	m_nDrawType=3;
}

void CGraphicView::OnEllipse() 
{
	// TODO: Add your command handler code here
	m_nDrawType=4;
}

void CGraphicView::OnLButtonDown(UINT nFlags, CPoint point) 
{
	// TODO: Add your message handler code here and/or call default
	m_ptOrigin=point;
	CView::OnLButtonDown(nFlags, point);
}

void CGraphicView::OnLButtonUp(UINT nFlags, CPoint point) 
{
	// TODO: Add your message handler code here and/or call default
	CClientDC dc(this);
	CBrush *pBrush=CBrush::FromHandle((HBRUSH)GetStockObject(NULL_BRUSH));
	dc.SelectObject(pBrush);
	
	switch(m_nDrawType)
	{
	case 1:
		dc.SetPixel(point,RGB(0,0,0));
		break;
	case 2:
		dc.MoveTo(m_ptOrigin);
		dc.LineTo(point);
		break;
	case 3:
		dc.Rectangle(CRect(m_ptOrigin,point));
		break;
	case 4:
		dc.Ellipse(CRect(m_ptOrigin,point));
		break;
	}
	CGraph *pGraph=new CGraph(m_nDrawType,m_ptOrigin,point);
	//m_obArray.Add(pGraph);
	CGraphicDoc *pDoc=GetDocument();
	pDoc->m_obArray.Add(pGraph);

	CView::OnLButtonUp(nFlags, point);
}