//?arc.cpp:?implementation?of?the?arc?class.
//
//////////////////////////////////////////////////////////////////////

#include?“stdafx.h“
#include?“畫圖.h“
#include?“arc.h“
#include?“math.h“

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

//////////////////////////////////////////////////////////////////////
//?Construction/Destruction
//////////////////////////////////////////////////////////////////////

arc::arc（）
{

}

arc::~arc（）
{

}
arc::arc（CPoint?p1CPoint?p2CPoint?p3）
{
	cx=p1.x;
	cy=p1.y;
	sx=p2.x;
	sy=p2.y;
	x0=p3.x;
	y0=p3.y;	
	
}
void?arc::bound（CRect&?rect）
{
	double?dxdydx1dy1;
	double?cosvsinvr1;
	dx=sx-cx;
	dy=sy-cy;
	dx1=x0-cx;
	dy1=y0-cy;
	r=sqrt（（dx*dx）+（dy*dy））;
	r1=sqrt（（dx1*dx1）+（dy1*dy1））;
	rect.left=（int）（cx-r）;
	rect.top=（int）（cy-r）;
	rect.right=（int）（cx+r）;
	rect.bottom=（int）（cy+r）;
	cosv=dx1/r1;
	sinv=dy1/r1;
	ex=cx+r*cosv;
	ey=cy-r*sinv;
}

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

?????文件????????556??2010-07-22?08:49??畫圖\huitu.cpp

?????文件????????517??2010-07-22?08:49??畫圖\huitu.h

?????文件????????633??2010-07-22?08:49??畫圖\circle.h

?????文件????????721??2010-07-22?10:39??畫圖\juxing.cpp

?????文件????????624??2010-07-22?09:12??畫圖\arc.h

?????文件????????540??2010-07-21?18:01??畫圖\DrawArc.h

?????文件??????48640??2010-07-29?14:32??畫圖\畫圖.opt

?????文件????????635??2010-07-21?17:07??畫圖\DrawLine.h

?????文件????????555??2010-07-21?15:24??畫圖\Draw.cpp

?????文件????????591??2010-07-22?10:35??畫圖\juxing.h

?????文件???????2952??2010-07-29?14:32??畫圖\畫圖.clw

?????文件???????4696??2010-07-21?11:30??畫圖\ReadMe.txt

?????文件???????1312??2010-07-21?11:30??畫圖\畫圖.h

?????文件???????4322??2010-07-21?11:30??畫圖\畫圖.cpp

?????文件???????1054??2010-07-21?11:30??畫圖\StdAfx.h

?????文件????????206??2010-07-21?11:30??畫圖\StdAfx.cpp

?????文件???????1542??2010-07-21?11:30??畫圖\MainFrm.h

?????文件???????2521??2010-07-21?11:30??畫圖\MainFrm.cpp

?????文件???????1397??2010-07-21?11:30??畫圖\ChildFrm.h

?????文件???????1531??2010-07-21?11:30??畫圖\ChildFrm.cpp

?????文件????????660??2010-07-21?18:07??畫圖\DrawArc1.h

?????文件????????690??2010-07-21?17:07??畫圖\DrawLine.cpp

?????文件????????668??2010-07-21?17:00??畫圖\DrawCircle.h

?????文件???????1034??2010-07-21?17:04??畫圖\DrawArc1.cpp

?????文件????????396??2010-07-21?11:30??畫圖\res\畫圖.rc2

?????文件???????1078??2010-07-21?11:30??畫圖\res\畫圖Doc.ico

?????文件???????1078??2010-07-21?11:30??畫圖\res\畫圖.ico

?????文件???????1078??2010-07-21?11:30??畫圖\res\Toolbar.bmp

?????文件???????5148??2010-07-22?15:36??畫圖\畫圖.dsp

?????文件????????531??2010-07-21?14:57??畫圖\DrawArc.cpp

............此處省略70個文件信息