ch6demo1view.cpp

零基础学Visual.C....教案PPT.随书光盘-452M.zip

// Ch6Demo1View.cpp : implementation of the CCh6Demo1View class
//

#include "stdafx.h"
#include "Ch6Demo1.h"

#include "Ch6Demo1Doc.h"
#include "Ch6Demo1View.h"

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

/////////////////////////////////////////////////////////////////////////////
// CCh6Demo1View

IMPLEMENT_DYNCREATE(CCh6Demo1View, CView)

BEGIN_MESSAGE_MAP(CCh6Demo1View, CView)
	//{{AFX_MSG_MAP(CCh6Demo1View)
	ON_COMMAND(ID_DRAWCIRCLE, OnDrawcircle)
	ON_COMMAND(ID_DRAWRECT, OnDrawrect)
	ON_UPDATE_COMMAND_UI(ID_DRAWCIRCLE, OnUpdateDrawcircle)
	ON_UPDATE_COMMAND_UI(ID_DRAWRECT, OnUpdateDrawrect)
	ON_WM_RBUTTONDOWN()
	//}}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()

/////////////////////////////////////////////////////////////////////////////
// CCh6Demo1View construction/destruction

CCh6Demo1View::CCh6Demo1View()
{
	// TODO: add construction code here
	m_nDdrawtype=0;

}

CCh6Demo1View::~CCh6Demo1View()
{
}

BOOL CCh6Demo1View::PreCreateWindow(CREATESTRUCT& cs)
{
	// TODO: Modify the Window class or styles here by modifying
	//  the CREATESTRUCT cs

	return CView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CCh6Demo1View drawing

void CCh6Demo1View::OnDraw(CDC* pDC)
{
	CCh6Demo1Doc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	// TODO: add draw code for native data here
}

/////////////////////////////////////////////////////////////////////////////
// CCh6Demo1View printing

BOOL CCh6Demo1View::OnPreparePrinting(CPrintInfo* pInfo)
{
	// default preparation
	return DoPreparePrinting(pInfo);
}

void CCh6Demo1View::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: add extra initialization before printing
}

void CCh6Demo1View::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: add cleanup after printing
}

/////////////////////////////////////////////////////////////////////////////
// CCh6Demo1View diagnostics

#ifdef _DEBUG
void CCh6Demo1View::AssertValid() const
{
	CView::AssertValid();
}

void CCh6Demo1View::Dump(CDumpContext& dc) const
{
	CView::Dump(dc);
}

CCh6Demo1Doc* CCh6Demo1View::GetDocument() // non-debug version is inline
{
	ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CCh6Demo1Doc)));
	return (CCh6Demo1Doc*)m_pDocument;
}
#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// CCh6Demo1View message handlers

void CCh6Demo1View::OnDrawcircle() 
{
	// TODO: Add your command handler code here
	m_nDdrawtype=1;//表示绘制圆
	CDC*pDC=GetDC();							//使用GetDC()函数申请CDC类的指针
	CRect rect(100,0,320,200);
	CBrush brush(RGB(180,180,180));//定义画刷
	pDC->FillRect(rect,&brush);//填充绘图区域
	pDC->Ellipse(160,10,260,110);					//画圆
	pDC->TextOut(120,120,"绘制直径为100个像素的圆");//在圆下方输出文字
	ReleaseDC(pDC);							//释放CDC类的指针	
}

void CCh6Demo1View::OnDrawrect() 
{
	// TODO: Add your command handler code here
	m_nDdrawtype=2;//表示绘制矩形
	CDC*pDC=GetDC();							//使用GetDC()函数申请CDC类的指针
	CRect rect(100,0,320,200);
	CBrush brush(RGB(180,180,180));//定义画刷
	pDC->FillRect(rect,&brush);//填充绘图区域
	pDC->Rectangle(160,10,260,110);					//画矩形
	pDC->TextOut(120,120,"绘制边长为100的正方形");//在矩形下方输出文字
	ReleaseDC(pDC);//释放CDC类的指针					
}

void CCh6Demo1View::OnUpdateDrawcircle(CCmdUI* pCmdUI) 
{
	// TODO: Add your command update UI handler code here
	pCmdUI->SetCheck(m_nDdrawtype==1);//若为圆形，设置选中标记
	
}

void CCh6Demo1View::OnUpdateDrawrect(CCmdUI* pCmdUI) 
{
	// TODO: Add your command update UI handler code here
	pCmdUI->SetCheck(m_nDdrawtype==2);//若为矩形，设置选中标记
	
}

void CCh6Demo1View::OnRButtonDown(UINT nFlags, CPoint point) 
{
	// TODO: Add your message handler code here and/or call default
	CMenu menu;										//定义菜单
	menu.LoadMenu(IDR_POPUPMENU);					//载入浮动菜单资源
	CMenu* pM=menu.GetSubMenu(0);						//菜单的第一项作为浮动菜单
	CPoint pt;
	GetCursorPos(&pt);											//获得鼠标位置
	pM->TrackPopupMenu(TPM_LEFTALIGN,pt.x,pt.y,this);			//弹出浮动菜单	
	CView::OnRButtonDown(nFlags, point);
}