CAD

开发平台：
Visual C++

CIRCLE.cpp：源码内容
							// CIRCLE.cpp: implementation of the CCIRCLE class.
//
//////////////////////////////////////////////////////////////////////
#include "stdafx.h"
#include "CAD.h"
#include "CIRCLE.h"
#include "math.h"
#ifdef _DEBUG
#undef THIS_FILE
static char THIS_FILE[]=__FILE__;
#define new DEBUG_NEW
#endif
//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////
CCIRCLE::CCIRCLE()
{
}
CCIRCLE::~CCIRCLE()
{
}
void CCIRCLE::circle_drawMove(CPoint m_pointorg,CPoint m_pointfal,CDC* pDC,int m_line_style,int m_line_width,COLORREF m_line_color)
{
	double R;
	R=sqrt(pow(m_pointorg.x-m_pointfal.x,2)+pow(m_pointorg.y-m_pointfal.y,2));
	CPen pen;
	pen.CreatePen(m_line_style,m_line_width,m_line_color);
	pDC->SelectObject(&pen);
	pDC->Arc(CRect(m_pointorg.x-R,m_pointorg.y-R,m_pointorg.x+R,m_pointorg.y+R),m_pointfal,m_pointfal);
	pen.DeleteObject();//鼠标输出
	pen.CreatePen(PS_DOT,1,RGB(0,0,255));
	pDC->SelectObject(&pen);
	pDC->MoveTo(m_pointorg);
	pDC->LineTo(m_pointfal);
	pen.DeleteObject();//半径输出
	CString str;
	str.Format("R:%f",R);
	pDC->TextOut((m_pointorg.x+m_pointfal.x)/2+10,(m_pointorg.y+m_pointfal.y)/2+10,str,7);//文本输出
}
void CCIRCLE::circle_drawAttribution(CDC*pDC)
{
	if(m_circle_save.GetSize())
		for(int i=0;i<m_circle_save.GetSize();i++)
		{
			CPoint certrepoint;
			double circleR;
			CPen pen;
			pen.CreatePen(((circle_data *)(m_circle_save.GetAt(i)))->m_line_style,((circle_data *)(m_circle_save.GetAt(i)))->m_line_width,
							((circle_data *)(m_circle_save.GetAt(i)))->m_line_color);
			pDC->SelectObject(&pen);
			certrepoint=((circle_data *)(m_circle_save.GetAt(i)))->certrepoint;
			circleR=((circle_data *)(m_circle_save.GetAt(i)))->circleR;
			pDC->Arc(CRect(certrepoint.x-circleR,certrepoint.y-circleR,certrepoint.x+circleR,certrepoint.y+circleR),
				     CPoint(certrepoint.x+circleR,certrepoint.y),CPoint(certrepoint.x+circleR,certrepoint.y));
			pen.DeleteObject();//圆的输出
		}
	
}
void CCIRCLE::circle_store(CPoint m_pointorg,CPoint m_pointfal,int m_line_style,int m_line_width,COLORREF m_line_color)
{	
	CPoint certrepoint;
	double circleR;
	certrepoint=m_pointorg;
	circleR=sqrt(pow(m_pointorg.x-m_pointfal.x,2)+pow(m_pointorg.y-m_pointfal.y,2));
	
	circle_data *pcircle_data=new circle_data(certrepoint,circleR,m_line_style,m_line_width,m_line_color); 
		m_circle_save.Add(pcircle_data);//数据储存
	
}
void CCIRCLE::circle_catchcertre(CPoint point,CRgn *prgn,CDC *pDC)
{
	if(m_circle_save.GetSize())
		for(int i=0;i<m_circle_save.GetSize();i++)
		{
			if(prgn->PtInRegion(((circle_data*)m_circle_save.GetAt(i))->certrepoint))
				circle_fillpoint(((circle_data*)m_circle_save.GetAt(i))->certrepoint,pDC);
		}
}
void CCIRCLE::circle_fillpoint(CPoint point,CDC *pDC)
{
	CBrush brush;
	brush.CreateSolidBrush( RGB(0,255,255));
	pDC->SelectObject(&brush);
	pDC->Rectangle(CRect(point.x-4,point.y-4,point.x+4,point.y+4));
	brush.DeleteObject();
	
}
void CCIRCLE::circle_searchcertre(CPoint point,CPoint *pnearpoint,CRgn *prgn)
{
	CPoint nearpoint;
	nearpoint=*pnearpoint;
	
	float nearrest;
	nearrest=sqrt(pow(point.x-nearpoint.x,2)+pow(point.y-nearpoint.y,2));
	
	if(m_circle_save.GetSize())
		for(int i=0;i<m_circle_save.GetSize();i++)
			if(prgn->PtInRegion(((circle_data*)m_circle_save.GetAt(i))->certrepoint))
			{				
				float length;
				length=sqrt(pow(((circle_data*)m_circle_save.GetAt(i))->certrepoint.x-point.x,2)+
					pow(((circle_data*)m_circle_save.GetAt(i))->certrepoint.y-point.y,2));
				if(length<nearrest)
					nearpoint=((circle_data*)m_circle_save.GetAt(i))->certrepoint;				
			}
			
			*pnearpoint=nearpoint;
			
}
bool CCIRCLE::circle_searchcircle(CPoint point,int *pNum,int *pnStyle,CDC *pmdc)
{
	if(m_circle_save.GetSize())
		for(int i=0;i<m_circle_save.GetSize();i++)
		{
			float r;
			r=sqrt(pow(((circle_data*)m_circle_save.GetAt(i))->certrepoint.x-point.x,2)+
				   pow(((circle_data*)m_circle_save.GetAt(i))->certrepoint.y-point.y,2));
			if(fabs(r-((circle_data*)m_circle_save.GetAt(i))->circleR)<3)
			{
				circle_fillpoint(((circle_data*)m_circle_save.GetAt(i))->certrepoint,pmdc);
				*pNum=i;
				*pnStyle=3;
				return(true);
			}
		}
		return(false);
}
bool CCIRCLE::circle_editselect(CPoint point,CPoint*ppointorg,int Num)
{
	CPoint certrepoint;
	certrepoint=((circle_data*)m_circle_save.GetAt(Num))->certrepoint;
	CRgn rgn;
	rgn.CreateRectRgn(certrepoint.x-10,certrepoint.y-10,certrepoint.x+10,certrepoint.y+10);
	if(rgn.PtInRegion(point))
	{
		*ppointorg=certrepoint;
		return(true);
	}
	else
		return(false);
	
}
void CCIRCLE::circle_editmove(CPoint pointorg,CPoint pointfal,int Num,CDC* pDC)
{
	CSize pointmove;
	pointmove=pointfal-pointorg;
	
	CPoint certrepoint;
	double circleR;
	certrepoint=((circle_data *)(m_circle_save.GetAt(Num)))->certrepoint+pointmove;
	circleR=((circle_data *)(m_circle_save.GetAt(Num)))->circleR;
	CPen pen;
	pen.CreatePen(PS_SOLID,1,RGB(0,0,255));
	pDC->SelectObject(&pen);
	pDC->Arc(CRect(certrepoint.x-circleR,certrepoint.y-circleR,certrepoint.x+circleR,certrepoint.y+circleR),
			CPoint(certrepoint.x+circleR,certrepoint.y),CPoint(certrepoint.x+circleR,certrepoint.y));
	pen.DeleteObject();
}
void CCIRCLE::circle_editmovestore(CPoint pointorg,CPoint pointfal,int Num)
{
	CSize pointmove;
	pointmove=pointfal-pointorg;
	((circle_data *)(m_circle_save.GetAt(Num)))->certrepoint+=pointmove;
}
void CCIRCLE::circle_del(int Num)
{
	circle_data *pdel=(circle_data*)m_circle_save.GetAt(Num);
	if(pdel!=NULL)
	{
		m_circle_save.RemoveAt(Num);
		delete pdel;
	}
	
}
///////////////////////////////////////
CCIRCLE::circle_data::circle_data(CPoint certrepoint,double circleR,int m_line_style,int m_line_width,COLORREF m_line_color)
{
	this->certrepoint=certrepoint;
	this->circleR=circleR;
	this->m_line_style=m_line_style;
	this->m_line_width=m_line_width;
	this->m_line_color=m_line_color;
}
CCIRCLE::circle_data::~circle_data()
{
}

						