vcexpshi10view.cpp

用VC编写的一个单文档程序

// VCexpshi10View.cpp : implementation of the CVCexpshi10View class
//

#include "stdafx.h"
#include "VCexpshi10.h"

#include "VCexpshi10Doc.h"
#include "VCexpshi10View.h"

#include "Circle.h"
#include "math.h"

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

/////////////////////////////////////////////////////////////////////////////
// CVCexpshi10View

IMPLEMENT_DYNCREATE(CVCexpshi10View, CView)

BEGIN_MESSAGE_MAP(CVCexpshi10View, CView)
	//{{AFX_MSG_MAP(CVCexpshi10View)
	ON_WM_LBUTTONDOWN()
	ON_WM_LBUTTONUP()
	ON_COMMAND(IMD_SHOW, OnShow)
	ON_COMMAND(IDM_COLOR, OnColor)
	//}}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()

/////////////////////////////////////////////////////////////////////////////
// CVCexpshi10View construction/destruction

CVCexpshi10View::CVCexpshi10View()
{
	m_clr=RGB(0,0,255);
	// TODO: add construction code here
}

CVCexpshi10View::~CVCexpshi10View()
{

}

BOOL CVCexpshi10View::PreCreateWindow(CREATESTRUCT& cs)
{
	// TODO: Modify the Window class or styles here by modifying
	//  the CREATESTRUCT cs

	return CView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CVCexpshi10View drawing

void CVCexpshi10View::OnDraw(CDC* pDC)
{

	CVCexpshi10Doc* p = GetDocument();
	ASSERT_VALID(p);

/**一下创建一个透明画刷*************/
	CClientDC dc(this);//创建并获得设备描述表m_nLineWidth	m_nLineStyle
	CBrush *pBrush=CBrush::FromHandle((HBRUSH)GetStockObject(NULL_BRUSH));//创建一个空画刷
	CBrush *pOldBrush=dc.SelectObject(pBrush);//将空画刷选入设备描述表
    

 /******重绘*************/   
	for(int j=0;j<p->i;j++)
	{
		CPen pen(0,0,p->circles[j].c);/********添加颜色笔************/
	    dc.SelectObject(&pen);
		dc.Ellipse(CRect(p->circles[j].x-p->circles[j].radius,p->circles[j].y-p->circles[j].radius,p->circles[j].x+p->circles[j].radius,p->circles[j].y+p->circles[j].radius));
        
	}
	dc.SelectObject(pOldBrush);

	/*for(int j=0;j<p->i;j++)
	{                                                                                                                                                                                                                                       
    	p->Ellipse(CRect(p->circles[j].x-p->circles[j].radius,p->circles[j].y-p->circles[j].radius,p->circles[j].x+p->circles[j].radius,p->circles[j].y+p->circles[j].radius));
	}*/
	// TODO: add draw code for native data here

}

/////////////////////////////////////////////////////////////////////////////
// CVCexpshi10View printing

BOOL CVCexpshi10View::OnPreparePrinting(CPrintInfo* pInfo)
{
	// default preparation
	return DoPreparePrinting(pInfo);
}

void CVCexpshi10View::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: add extra initialization before printing
}

void CVCexpshi10View::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: add cleanup after printing
}

/////////////////////////////////////////////////////////////////////////////
// CVCexpshi10View diagnostics

#ifdef _DEBUG
void CVCexpshi10View::AssertValid() const
{
	CView::AssertValid();
}

void CVCexpshi10View::Dump(CDumpContext& dc) const
{
	CView::Dump(dc);
}

CVCexpshi10Doc* CVCexpshi10View::GetDocument() // non-debug version is inline
{
	ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CVCexpshi10Doc)));
	return (CVCexpshi10Doc*)m_pDocument;
}
#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// CVCexpshi10View message handlers

void CVCexpshi10View::OnLButtonDown(UINT nFlags, CPoint point) 
{
	// TODO: Add your message handler code here and/or call default
    CVCexpshi10Doc* p=GetDocument();//获得文档内容
	p->circles[p->i].x=point.x;//获得该圆的圆心横坐标
	p->circles[p->i].y=point.y;//获得该圆圆心纵坐标


	
	CView::OnLButtonDown(nFlags, point);
}

void CVCexpshi10View::OnLButtonUp(UINT nFlags, CPoint point) 
{
	/**一下创建一个透明画刷*************/
	CClientDC dc(this);//创建并获得设备描述表m_nLineWidth	m_nLineStyle
	CPen pen(0,0,m_clr);/********添加颜色笔************/
	dc.SelectObject(&pen);
	CBrush *pBrush=CBrush::FromHandle((HBRUSH)GetStockObject(NULL_BRUSH));//创建一个空画刷
	CBrush *pOldBrush=dc.SelectObject(pBrush);//将空画刷选入设备描述表
    
	

	
	CVCexpshi10Doc* p=GetDocument();
	p->circles[p->i].radius=(int)sqrt(pow(p->circles[p->i].x-point.x,2)+pow(p->circles[p->i].y-point.y,2));//当鼠标弹起时求得圆的半径
	// TODO: Add your message handler code here and/or call default
	p->circles[p->i].c=m_clr;
    dc.Ellipse(CRect(p->circles[p->i].x-p->circles[p->i].radius,p->circles[p->i].y-p->circles[p->i].radius,p->circles[p->i].x+p->circles[p->i].radius,p->circles[p->i].y+p->circles[p->i].radius));
    dc.SelectObject(pOldBrush);
	p->i++;//数组向下移动
	//Invalidate();//重绘 
	CView::OnLButtonUp(nFlags, point);
}




//DEL void CVCexpshi10View::OnDisp() 
//DEL {
//DEL 	// TODO: Add your command handler code here
//DEL 	MessageBox("shi");
//DEL }

void CVCexpshi10View::OnShow() 
{
	CVCexpshi10Doc* p=GetDocument();
	CString s="";
    CString s1;
	for(int j=0;j<p->i;j++)
	{
	   s1.Format("N0. x=%d,y=%d     ",p->circles[j].x,p->circles[j].y);
	   s+=s1;
	   if((j+1)%3==0)
	   {
		   s+="\r\n";
	   }
	 
	}
	// TODO: Add your command handler code here
	MessageBox(s,"圆心坐标");
}


void CVCexpshi10View::OnColor() //为文本添加调色板
{
	// TODO: Add your command handler code here
	CColorDialog dlg;
	dlg.m_cc.Flags|=CC_RGBINIT;
	dlg.m_cc.rgbResult=m_clr;//将调试板初值设置为m_clr的颜色
	if(IDOK==dlg.DoModal())
	{
		m_clr=dlg.m_cc.rgbResult;
	}
	
}