www.pudn.com > DrawVector.rar > Circle.cpp

// Circle.cpp: implementation of the CCircle class. 
// 
////////////////////////////////////////////////////////////////////// 
 
#include "stdafx.h" 
#include "Draw.h" 
#include "Circle.h" 
//#include "DrawDoc.h" 
#include "Data.h" 
#define pi 3.1415926 
#ifdef _DEBUG 
#undef THIS_FILE 
static char THIS_FILE[]=__FILE__; 
#define new DEBUG_NEW 
#endif 
//extern CGraphPara *p_GraphPara; 
////////////////////////////////////////////////////////////////////// 
// Construction/Destruction 
////////////////////////////////////////////////////////////////////// 
extern IsRectCross(float minx,float miny,float maxx,float maxy); 
 
CCircle::CCircle(); 
/*float xMinScreen,yMinScreen,xMaxScreen,yMaxScreen; 
 
BOOL IsRectCross(float minx,float miny,float maxx,float maxy); 
BOOL CText::IsRectCross(float minx,float miny,float maxx,float maxy) 
{ 
	if(minx>xMaxScreen||maxxyMaxScreen||maxyGetColor(ColorPen)); 
	CPen* pOldPen=pDC->SelectObject(&pen); 
	CBrush brush(p_GraphPara->GetColor(m_ColorBrush)); 
	CBrush* pOldBrush=pDC->SelectObject(&brush); 
	if(m_DrawMode==0) 
		pDC->SetROP2(R2_COPYPEN); 
	else if(m_DrawMode==1) 
		pDC->SetROP2(R2_NOT); 
	if(!m_bFill) 
		pDC->SelectStockObject(NULL_BRUSH); 
	DPtoVP(m_CircleX,m_CircleY,&x,&y); 
	r=DLtoVL(m_CircleR); 
	pDC->Ellipse(x-r,y-r,x+r,y+r); 
	pDC->SelectObject(pOldPen); 
	pDC->SelectObject(pOldBrush); 
} 
 
void CCircle::CalLong() 
{ 
	m_fLong=m_CircleR*2*pi; 
} 
void CCircle::CalArea() 
{ 
	m_fArea=pi*m_CircleR*m_CircleR; 
} 
void CCircle::GetRect(float* minX,float* minY,float* maxX,float* maxY) 
{ 
	*minX=m_CircleX-m_CircleR; 
	*minY=m_CircleY-m_CircleR; 
	*maxX=m_CircleX+m_CircleR; 
	*maxY=m_CircleY+m_CircleR; 
} 
 
BOOL CCircle::IsPoint(float x,float y,float j1,float blc) 
{ 
	float xx; 
	if(b_Delete) 
		return FALSE; 
	xx=CalDisp(x,y,m_CircleX,m_CircleY); 
	if(!m_bFill) 
	{ 
		if((xx>m_CircleR-j1&&xxm_CircleX,&this->m_CircleY); 
} 
 
BOOL CCircle::IsFill() 
{ 
	return m_bFill; 
} 
 
 
CCircle::~CCircle() 
{ 
 
}