wxWidgets/include/wx/gdiobj.h
2006-10-21 17:19:11 +00:00

52 lines
1.6 KiB
C++

/////////////////////////////////////////////////////////////////////////////
// Name: wx/gdiobj.h
// Purpose: wxGDIObject base header
// Author: Julian Smart
// Modified by:
// Created:
// Copyright: (c) Julian Smart
// RCS-ID: $Id$
// Licence: wxWindows Licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_GDIOBJ_H_BASE_
#define _WX_GDIOBJ_H_BASE_
#include "wx/object.h"
// ----------------------------------------------------------------------------
// wxGDIRefData is the base class for wxXXXData structures which contain the
// real data for the GDI object and are shared among all wxWin objects sharing
// the same native GDI object
// ----------------------------------------------------------------------------
class WXDLLIMPEXP_CORE wxGDIRefData: public wxObjectRefData { };
// ----------------------------------------------------------------------------
// wxGDIObject
// ----------------------------------------------------------------------------
class WXDLLIMPEXP_CORE wxGDIObject: public wxObject
{
public:
bool IsNull() const { return m_refData == NULL; }
#if defined(__WXMSW__) || defined(__WXPM__) || defined(__WXPALMOS__)
// Creates the resource
virtual bool RealizeResource() { return false; }
// Frees the resource
virtual bool FreeResource(bool WXUNUSED(force) = false) { return false; }
virtual bool IsFree() const { return false; }
// Returns handle.
virtual WXHANDLE GetResourceHandle() const { return 0; }
#endif // defined(__WXMSW__) || defined(__WXPM__)
DECLARE_DYNAMIC_CLASS(wxGDIObject)
};
#endif
// _WX_GDIOBJ_H_BASE_