rj030413view.cpp

实现用户验证．．画圆 显示当前系统时间 对ＶＣ很有帮助 1）：修改字体背景色 2）：修改字体颜色 3）：修改字体属性 4）：在工作区画硬币（可以通过菜单栏、工具栏及右键来实现

// RJ030413View.cpp : implementation of the CRJ030413View class
//

#include "stdafx.h"
#include "RJ030413.h"

#include "RJ030413Doc.h"
#include "RJ030413View.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
//.......................................................................
#include"ComctlDlg.h"
/////////////////////////////////////////////////////////////////////////////
// CRJ030413View

IMPLEMENT_DYNCREATE(CRJ030413View, CView)

BEGIN_MESSAGE_MAP(CRJ030413View, CView)
	//{{AFX_MSG_MAP(CRJ030413View)
	ON_COMMAND(ID_MENU_FORE, OnMenuFore)
	ON_COMMAND(ID_MENU_FONT, OnMenuFont)
	ON_COMMAND(ID_MENU_BACK, OnMenuBack)
	ON_WM_CONTEXTMENU()
	ON_COMMAND(ID_TEST_COMCTL, OnTestComctl)
	ON_WM_LBUTTONDOWN()
	ON_WM_LBUTTONUP()
	ON_WM_MOUSEMOVE()
	//}}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()

/////////////////////////////////////////////////////////////////////////////
// CRJ030413View construction/destruction

CRJ030413View::CRJ030413View()
{
	// TODO: add construction code here
	/////////////////////////////////////////////////////////////////////////////
	m_ForeColor=0;
	m_BackColor=0xFFFFFF;
	m_Font.CreateStockObject(SYSTEM_FONT);
	m_bDragging=false;
	m_hCross=AfxGetApp()->LoadStandardCursor(IDC_CROSS);
/////////////////////////////////////////////////////////////////////////////////
}

CRJ030413View::~CRJ030413View()
{
}

BOOL CRJ030413View::PreCreateWindow(CREATESTRUCT& cs)
{
	// TODO: Modify the Window class or styles here by modifying
	//  the CREATESTRUCT cs

	return CView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CRJ030413View drawing

void CRJ030413View::OnDraw(CDC* pDC)
{
	CRJ030413Doc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	// TODO: add draw code for native data here
	//............................................................................
	//CComDlgDoc*pDoc=GetDocument();
	ASSERT_VALID(pDoc);
	int x,y;
	TEXTMETRIC tm;
	CFont *PoldFont;
	PoldFont=pDC->SelectObject(&m_Font);
	pDC->SetTextColor(m_ForeColor);
	pDC->SetBkColor(m_BackColor);
	x=80,y=80;
	pDC->TextOut(x,y,"欢迎光临!");
	pDC->GetTextMetrics(&tm);
	y=y+tm.tmHeight+tm.tmExternalLeading;
	pDC->TextOut(x,y,"2005.6!");
	pDC->SelectObject(PoldFont);
////..................................................................................
	for(int i=0;i<pDoc->m_nCoins;i++)
	{
		int y=400-10*i;
		pDC->Ellipse(400,y,500,y-30);
		pDC->Ellipse(400,y-10,500,y-35);
	}
	//..........................................................................
	CString strCoins;
	CStatusBar * pStatus=(CStatusBar *)AfxGetApp()->m_pMainWnd->GetDescendantWindow(ID_VIEW_STATUS_BAR);
	if(pStatus)
	{
		strCoins.Format("硬币:%d",pDoc->m_nCoins);
		pStatus->SetPaneText(1,strCoins);
	}
	//...............................................................................
	int nIndex=pDoc->GetNumLines();
	TRACE("nIndex1=%d\n",nIndex);
	while(nIndex--)
	{
		TRACE("nIndex2=%d\n",nIndex);
		pDoc->GetLine(nIndex)->DrawLine(pDC);
	}
	//.......................................................................
	CDC MemDC;
	MemDC.CreateCompatibleDC(pDC);
	CBitmap Bitmap;
	Bitmap.LoadBitmap(IDB_MYBITMAP);
	CBitmap *pOldBitmap=MemDC.SelectObject(&Bitmap);
	BITMAP bm;
	Bitmap.GetObject(sizeof(BITMAP),&bm);
	pDC->BitBlt(320,80,bm.bmWidth,bm.bmHeight,&MemDC,0,0,SRCCOPY);
	MemDC.SelectObject(pOldBitmap);
	//.......................................................................
}

/////////////////////////////////////////////////////////////////////////////
// CRJ030413View printing

BOOL CRJ030413View::OnPreparePrinting(CPrintInfo* pInfo)
{
	// default preparation
	return DoPreparePrinting(pInfo);
}

void CRJ030413View::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: add extra initialization before printing
}

void CRJ030413View::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: add cleanup after printing
}

/////////////////////////////////////////////////////////////////////////////
// CRJ030413View diagnostics

#ifdef _DEBUG
void CRJ030413View::AssertValid() const
{
	CView::AssertValid();
}

void CRJ030413View::Dump(CDumpContext& dc) const
{
	CView::Dump(dc);
}

CRJ030413Doc* CRJ030413View::GetDocument() // non-debug version is inline
{
	ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CRJ030413Doc)));
	return (CRJ030413Doc*)m_pDocument;
}
#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// CRJ030413View message handlers

void CRJ030413View::OnMenuFore() 
{
	// TODO: Add your command handler code here

		CColorDialog dlg;
	if(dlg.DoModal()==IDOK)
	{
		m_ForeColor=dlg.GetColor();
		Invalidate();
	}
}

void CRJ030413View::OnMenuFont() 
{
	// TODO: Add your command handler code here
		CFontDialog dlg;
	if(dlg.DoModal()==IDOK)
	{
		LOGFONT LF;
		dlg.GetCurrentFont(&LF);
		m_ForeColor=dlg.GetColor();
		m_Font.DeleteObject();
		m_Font.CreateFontIndirect(&LF);
		Invalidate();
	}
	
}

void CRJ030413View::OnMenuBack() 
{
	// TODO: Add your command handler code here
	CColorDialog dlg;
	if(dlg.DoModal()==IDOK)
	{
		m_BackColor=dlg.GetColor();
		Invalidate();
	}
}

void CRJ030413View::OnContextMenu(CWnd* pWnd, CPoint point) 
{
	// TODO: Add your message handler code here
	//................................................................
	CMenu menuPopup;
	if(menuPopup.CreatePopupMenu())
	{
		menuPopup.AppendMenu(MF_STRING,ID_COIN_ADD,"增加硬币\tCtrl+A");
		menuPopup.AppendMenu(MF_STRING,ID_COIN_SUB,"减少硬币\tCtrl+B");
		menuPopup.AppendMenu(MF_STRING,ID_TEST_COMCTL,"画圆");
		menuPopup.AppendMenu(MF_STRING,ID_MENU_FONT,"字体");
		menuPopup.TrackPopupMenu(TPM_LEFTALIGN,point.x,point.y,this);
	}
		//..................................................................

	
}


void CRJ030413View::OnTestComctl() 
{
	// TODO: Add your command handler code here
		//。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。
	CComctlDlg dlg;
	if(dlg.DoModal()!=IDOK)
		return;
	Invalidate();
	UpdateWindow();
	CClientDC dc(this);
	CPen penNew,*ppenOld;
	penNew.CreatePen(PS_SOLID,dlg.m_nLineWt,RGB(225,20,50));
	ppenOld=dc.SelectObject(&penNew);
	dc.Ellipse(500,200,500+2*dlg.m_nRadius,200+2*dlg.m_nRadius);//>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
	dc.SelectObject(ppenOld);
	//..............................................................................
	
}

void CRJ030413View::OnLButtonDown(UINT nFlags, CPoint point) 
{
	// TODO: Add your message handler code here and/or call default
	//.........................................................................
	SetCapture();
	::SetCursor(m_hCross);
	m_ptOrigin=point;
	m_bDragging=TRUE;
	//.........................................
	
	CView::OnLButtonDown(nFlags, point);
}

void CRJ030413View::OnLButtonUp(UINT nFlags, CPoint point) 
{
	// TODO: Add your message handler code here and/or call default
	//........................................................................
	if(m_bDragging)
	{
		m_bDragging=false;
		ReleaseCapture();
	}
	//.................................................................
	
	CView::OnLButtonUp(nFlags, point);
}

void CRJ030413View::OnMouseMove(UINT nFlags, CPoint point) 
{
	// TODO: Add your message handler code here and/or call default
	//......................................................................
	if(m_bDragging)
	{
		CRJ030413Doc *pDoc=GetDocument();
		ASSERT_VALID(pDoc);
		pDoc->AddLine(m_ptOrigin,point);
		CClientDC dc(this);
		dc.MoveTo(m_ptOrigin);
		dc.LineTo(point);
		m_ptOrigin=point;
	}
	//.....................................................................
	CView::OnMouseMove(nFlags, point);
}