//?Circle.cpp:?implementation?of?the?CCircle?class.
//
//////////////////////////////////////////////////////////////////////

#include?“stdafx.h“
#include?“Graph.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::CircleMidPoint（CDC?*pDC?int?ptCenterx?int?ptCentery?int?r?COLORREF?color）
{
int?ptxpty;
??ptx?=0;pty?=r;int?p=1-r;
??CirclePlotPoint（pDCptCenterxptCenteryptxptycolor）;
??while（ptx???{ptx?++;
??if（p<0）?p+=2*ptx?+1;else{pty--;
??p+=2*（ptx?-pty）+1;
??}
CirclePlotPoint（pDCptCenterxptCenteryptxptycolor）;
??}
}

void?CCircle::CirclePlotPoint（CDC?*pDC?int?ptCenterx?int?ptCentery?int?ptx?int?pty?COLORREF?color）
{
pDC->SetPixel（ptCenterx+ptxptCentery+ptycolor）;
	pDC->SetPixel（ptCenterx-ptxptCentery+ptycolor）;
	pDC->SetPixel（ptCenterx+ptxptCentery-ptycolor）;
	pDC->SetPixel（ptCenterx-ptxptCentery-ptycolor）;
	pDC->SetPixel（ptCenterx+ptyptCentery+ptxcolor）;
	pDC->SetPixel（ptCenterx-ptyptCentery+ptxcolor）;
	pDC->SetPixel（ptCenterx+ptyptCentery-ptxcolor）;
	pDC->SetPixel（ptCenterx-ptyptCentery-ptxcolor）;
}

void?CCircle::draw（CDC?*pDC）
{
int?ptCenterx=（m_ptBegin.x+m_ptEnd.x）/2;
	int?ptCentery=（m_ptBegin.y+m_ptEnd.y）/2;
	int?t1=（m_ptBegin.x-m_ptEnd.x）*（m_ptBegin.x-m_ptEnd.x）;
	int?t2=（m_ptBegin.y-m_ptEnd.y）*（m_ptBegin.y-m_ptEnd.y）;
	int?r=（int）sqrt（t1+t2）;
CircleMidPoint（pDC?ptCenterxptCenteryrm_color）;
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????1750??2003-11-01?22:36??簡易圖形編輯軟件MFC\Circle.cpp

?????文件????????742??2003-11-01?22:36??簡易圖形編輯軟件MFC\Circle.h

?????文件???????2916??2004-10-04?21:33??簡易圖形編輯軟件MFC\Cn700.com.txt

?????文件???????7341??2007-12-19?22:53??簡易圖形編輯軟件MFC\Debug\Circle.obj

?????文件???????7019??2007-12-19?22:53??簡易圖形編輯軟件MFC\Debug\Circle.sbr

?????文件???????8652??2007-12-19?22:53??簡易圖形編輯軟件MFC\Debug\Element.obj

?????文件???????3180??2007-12-19?22:53??簡易圖形編輯軟件MFC\Debug\Element.sbr

?????文件???????8046??2007-12-19?22:53??簡易圖形編輯軟件MFC\Debug\Ellipse.obj

?????文件???????3871??2007-12-19?22:53??簡易圖形編輯軟件MFC\Debug\Ellipse.sbr

?????文件?????143423??2007-12-19?23:05??簡易圖形編輯軟件MFC\Debug\Graph.exe

?????文件?????360476??2007-12-19?23:05??簡易圖形編輯軟件MFC\Debug\Graph.ilk

?????文件??????22949??2007-12-19?23:05??簡易圖形編輯軟件MFC\Debug\Graph.obj

?????文件????6876788??2007-12-19?22:53??簡易圖形編輯軟件MFC\Debug\Graph.pch

?????文件?????484352??2007-12-19?23:05??簡易圖形編輯軟件MFC\Debug\Graph.pdb

?????文件??????11756??2007-12-19?22:53??簡易圖形編輯軟件MFC\Debug\Graph.res

?????文件??????12457??2007-12-19?23:05??簡易圖形編輯軟件MFC\Debug\Graph.sbr

?????文件??????14635??2007-12-19?22:53??簡易圖形編輯軟件MFC\Debug\GraphDoc.obj

?????文件???????3525??2007-12-19?22:53??簡易圖形編輯軟件MFC\Debug\GraphDoc.sbr

?????文件??????52346??2007-12-19?22:53??簡易圖形編輯軟件MFC\Debug\GraphView.obj

?????文件??????20047??2007-12-19?22:53??簡易圖形編輯軟件MFC\Debug\GraphView.sbr

?????文件???????6131??2007-12-19?22:53??簡易圖形編輯軟件MFC\Debug\Line.obj

?????文件???????3100??2007-12-19?22:53??簡易圖形編輯軟件MFC\Debug\Line.sbr

?????文件??????19883??2007-12-19?22:53??簡易圖形編輯軟件MFC\Debug\MainFrm.obj

?????文件???????4090??2007-12-19?22:53??簡易圖形編輯軟件MFC\Debug\MainFrm.sbr

?????文件??????10324??2007-12-19?22:53??簡易圖形編輯軟件MFC\Debug\RGBDialog.obj

?????文件???????2775??2007-12-19?22:53??簡易圖形編輯軟件MFC\Debug\RGBDialog.sbr

?????文件??????10252??2007-12-19?22:53??簡易圖形編輯軟件MFC\Debug\RGBFill.obj

?????文件???????2730??2007-12-19?22:53??簡易圖形編輯軟件MFC\Debug\RGBFill.sbr

?????文件??????10334??2007-12-19?22:53??簡易圖形編輯軟件MFC\Debug\Rotate.obj

?????文件???????2737??2007-12-19?22:53??簡易圖形編輯軟件MFC\Debug\Rotate.sbr

............此處省略59個文件信息