資源簡介
本功能實現(xiàn)任意多邊形的最小外接圓,先實現(xiàn)任意多邊形的繪制,在通過一個菜單實現(xiàn)繪制這個多邊形的最小外接圓。

代碼片段和文件信息
//?MainFrm.cpp?:?implementation?of?the?CMainframe?class
//
#include?“stdafx.h“
#include?“MinCircle.h“
#include?“MainFrm.h“
#ifdef?_DEBUG
#define?new?DEBUG_NEW
#undef?THIS_FILE
static?char?THIS_FILE[]?=?__FILE__;
#endif
/////////////////////////////////////////////////////////////////////////////
//?CMainframe
IMPLEMENT_DYNCREATE(CMainframe?CframeWnd)
BEGIN_MESSAGE_MAP(CMainframe?CframeWnd)
//{{AFX_MSG_MAP(CMainframe)
ON_WM_CREATE()
ON_COMMAND(ID_Polygon?OnPolygon)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
static?UINT?indicators[]?=
{
ID_SEPARATOR???????????//?status?line?indicator
ID_INDICATOR_CAPS
ID_INDICATOR_NUM
ID_INDICATOR_SCRL
};
/////////////////////////////////////////////////////////////////////////////
//?CMainframe?construction/destruction
CMainframe::CMainframe()
{
//?TODO:?add?member?initialization?code?here
}
CMainframe::~CMainframe()
{
}
int?CMainframe::OnCreate(LPCREATESTRUCT?lpCreateStruct)
{
if?(CframeWnd::OnCreate(lpCreateStruct)?==?-1)
return?-1;
if?(!m_wndToolBar.CreateEx(this?TBstyle_FLAT?WS_CHILD?|?WS_VISIBLE?|?CBRS_TOP
|?CBRS_GRIPPER?|?CBRS_TOOLTIPS?|?CBRS_FLYBY?|?CBRS_SIZE_DYNAMIC)?||
!m_wndToolBar.LoadToolBar(IDR_MAINframe))
{
TRACE0(“Failed?to?create?toolbar\n“);
return?-1;??????//?fail?to?create
}
if?(!m_wndStatusBar.Create(this)?||
!m_wndStatusBar.SetIndicators(indicators
??sizeof(indicators)/sizeof(UINT)))
{
TRACE0(“Failed?to?create?status?bar\n“);
return?-1;??????//?fail?to?create
}
//?TODO:?Delete?these?three?lines?if?you?don‘t?want?the?toolbar?to
//??be?dockable
m_wndToolBar.EnableDocking(CBRS_ALIGN_ANY);
EnableDocking(CBRS_ALIGN_ANY);
DockControlBar(&m_wndToolBar);
return?0;
}
BOOL?CMainframe::PreCreateWindow(CREATESTRUCT&?cs)
{
if(?!CframeWnd::PreCreateWindow(cs)?)
return?FALSE;
//?TODO:?Modify?the?Window?class?or?styles?here?by?modifying
//??the?CREATESTRUCT?cs
return?TRUE;
}
/////////////////////////////////////////////////////////////////////////////
//?CMainframe?diagnostics
#ifdef?_DEBUG
void?CMainframe::AssertValid()?const
{
CframeWnd::AssertValid();
}
void?CMainframe::Dump(CDumpContext&?dc)?const
{
CframeWnd::Dump(dc);
}
#endif?//_DEBUG
/////////////////////////////////////////////////////////////////////////////
//?CMainframe?message?handlers
void?CMainframe::OnPolygon()?
{
//?TODO:?Add?your?command?handler?code?here
}
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件??????20610??2010-11-25?21:34??MinCircle\Debug\MainFrm.obj
?????文件?????127071??2010-11-29?21:55??MinCircle\Debug\MinCircle.exe
?????文件?????351256??2010-11-29?21:55??MinCircle\Debug\MinCircle.ilk
?????文件??????23240??2010-11-25?22:12??MinCircle\Debug\MinCircle.obj
?????文件????5505248??2010-11-25?21:34??MinCircle\Debug\MinCircle.pch
?????文件?????508928??2010-11-29?21:55??MinCircle\Debug\MinCircle.pdb
?????文件???????7588??2010-11-26?21:23??MinCircle\Debug\MinCircle.res
?????文件??????15001??2010-11-25?21:34??MinCircle\Debug\MinCircleDoc.obj
?????文件??????41827??2010-11-29?21:55??MinCircle\Debug\MinCircleView.obj
?????文件??????10487??2010-11-25?21:34??MinCircle\Debug\Polygondialog.obj
?????文件?????105751??2010-11-25?21:34??MinCircle\Debug\StdAfx.obj
?????文件?????238592??2010-11-29?22:44??MinCircle\Debug\vc60.idb
?????文件?????380928??2010-11-29?21:55??MinCircle\Debug\vc60.pdb
?????文件???????2494??2010-11-25?21:04??MinCircle\MainFrm.cpp
?????文件???????1468??2010-11-25?21:04??MinCircle\MainFrm.h
?????文件??????29692??2010-11-29?20:42??MinCircle\MinCircle.aps
?????文件???????2766??2010-11-29?22:46??MinCircle\MinCircle.clw
?????文件???????4263??2010-11-25?21:01??MinCircle\MinCircle.cpp
?????文件???????4756??2010-11-25?21:29??MinCircle\MinCircle.dsp
?????文件????????526??2010-11-25?21:29??MinCircle\MinCircle.dsw
?????文件???????1389??2010-11-25?21:01??MinCircle\MinCircle.h
?????文件?????197632??2010-11-29?22:46??MinCircle\MinCircle.ncb
?????文件??????51712??2010-11-29?22:46??MinCircle\MinCircle.opt
?????文件????????252??2010-11-29?22:44??MinCircle\MinCircle.plg
?????文件??????12342??2010-11-26?19:38??MinCircle\MinCircle.rc
?????文件???????1802??2010-11-25?21:01??MinCircle\MinCircleDoc.cpp
?????文件???????1508??2010-11-25?21:01??MinCircle\MinCircleDoc.h
?????文件???????9589??2010-11-29?21:55??MinCircle\MinCircleView.cpp
?????文件???????2293??2010-11-29?15:55??MinCircle\MinCircleView.h
?????文件????????992??2010-11-25?21:09??MinCircle\Polygondialog.cpp
............此處省略15個文件信息
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