43cf637fac
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@50621 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
57 lines
1.8 KiB
C++
57 lines
1.8 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: wx/gdiobj.h
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// Purpose: wxGDIObject base header
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// Author: Julian Smart
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// Modified by:
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// Created:
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// Copyright: (c) Julian Smart
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// RCS-ID: $Id$
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// Licence: wxWindows Licence
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/////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_GDIOBJ_H_BASE_
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#define _WX_GDIOBJ_H_BASE_
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#include "wx/object.h"
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// ----------------------------------------------------------------------------
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// wxGDIRefData is the base class for wxXXXData structures which contain the
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// real data for the GDI object and are shared among all wxWin objects sharing
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// the same native GDI object
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// ----------------------------------------------------------------------------
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class WXDLLIMPEXP_FWD_CORE wxGDIRefData: public wxObjectRefData { };
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// ----------------------------------------------------------------------------
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// wxGDIObject
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// ----------------------------------------------------------------------------
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class WXDLLIMPEXP_CORE wxGDIObject: public wxObject
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{
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public:
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bool IsNull() const { return m_refData == NULL; }
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// older version, for backwards compat
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bool Ok() const { return IsOk(); }
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virtual bool IsOk() const { return (m_refData != NULL) ; }
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#if defined(__WXMSW__) || defined(__WXPM__) || defined(__WXPALMOS__)
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// Creates the resource
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virtual bool RealizeResource() { return false; }
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// Frees the resource
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virtual bool FreeResource(bool WXUNUSED(force) = false) { return false; }
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virtual bool IsFree() const { return false; }
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// Returns handle.
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virtual WXHANDLE GetResourceHandle() const { return 0; }
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#endif // defined(__WXMSW__) || defined(__WXPM__)
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DECLARE_DYNAMIC_CLASS(wxGDIObject)
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};
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#endif
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// _WX_GDIOBJ_H_BASE_
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