A fast and lightweight cell control

/* -------------------------------------------------------------------------
//MyCell Library - MyCell version 1.0
//
// This file is a part of the MyCell Library.
// The use and distribution terms for this software are covered by the
// Common Public License 1.0 (http://opensource.org/licenses/cpl.php)
// which can be found in the file CPL.txt at this distribution. By using
// this software in any fashion, you are agreeing to be bound by the terms
// of this license. You must not remove this notice, or any other, from
// this software.
//
// Creator: yanxueming
// Email: xueming.yan@gmail.com
//Yanxm 2008��1��26�� 15:28:29
// -----------------------------------------------------------------------*/
#pragma once
class DeleteGdiObjPolicy
{
protected:
	void DelGdiObject(HGDIOBJ obj)
	{
		DeleteObject(obj);
	}
};
class DeleteGdiObjDummyPolicy
{
protected:
	void DelGdiObject(HGDIOBJ obj)
	{
	}
};
template<class GdiObjDelPolicy=DeleteGdiObjPolicy>
class GdiSelectObject : public GdiObjDelPolicy
{
	HDC hDC_;
	HGDIOBJ	 oldObj_;
public:
	GdiSelectObject(HDC hDC,HGDIOBJ hObj):hDC_(hDC)
	{
		oldObj_=::SelectObject(hDC,hObj);
	}
	void SelectObject(HGDIOBJ hObj)
	{
		GdiObjDelPolicy::DelGdiObject(::SelectObject(hDC_,oldObj_));
		oldObj_=::SelectObject(hDC_,hObj);
	}
	~GdiSelectObject()
	{
		GdiObjDelPolicy::DelGdiObject(::SelectObject(hDC_,oldObj_));
	}
};
typedef GdiSelectObject<DeleteGdiObjDummyPolicy> GdiSelectObjectPlain;
typedef GdiSelectObject<> GdiSelectObjectAutoDel;
class GDISetROP2
{
	HDC hDC_;
	int fnDrawMode_;
public:
	GDISetROP2(HDC hdc,int fnDrawMode):hDC_(hdc)
	{
		fnDrawMode_=SetROP2(hDC_,fnDrawMode);
	}
	~GDISetROP2()
	{
		SetROP2(hDC_,fnDrawMode_);
	}
};