1///////////////////////////////////////////////////////////////////////////// 2// Name: wx/gdiobj.h 3// Purpose: wxGDIObject base header 4// Author: Julian Smart 5// Modified by: 6// Created: 7// Copyright: (c) Julian Smart 8// RCS-ID: $Id: gdiobj.h 42211 2006-10-21 17:19:11Z SN $ 9// Licence: wxWindows Licence 10///////////////////////////////////////////////////////////////////////////// 11 12#ifndef _WX_GDIOBJ_H_BASE_ 13#define _WX_GDIOBJ_H_BASE_ 14 15#include "wx/object.h" 16 17// ---------------------------------------------------------------------------- 18// wxGDIRefData is the base class for wxXXXData structures which contain the 19// real data for the GDI object and are shared among all wxWin objects sharing 20// the same native GDI object 21// ---------------------------------------------------------------------------- 22 23class WXDLLIMPEXP_CORE wxGDIRefData: public wxObjectRefData { }; 24 25// ---------------------------------------------------------------------------- 26// wxGDIObject 27// ---------------------------------------------------------------------------- 28 29class WXDLLIMPEXP_CORE wxGDIObject: public wxObject 30{ 31public: 32 bool IsNull() const { return m_refData == NULL; } 33 34#if defined(__WXMSW__) || defined(__WXPM__) || defined(__WXPALMOS__) 35 // Creates the resource 36 virtual bool RealizeResource() { return false; } 37 38 // Frees the resource 39 virtual bool FreeResource(bool WXUNUSED(force) = false) { return false; } 40 41 virtual bool IsFree() const { return false; } 42 43 // Returns handle. 44 virtual WXHANDLE GetResourceHandle() const { return 0; } 45#endif // defined(__WXMSW__) || defined(__WXPM__) 46 47 DECLARE_DYNAMIC_CLASS(wxGDIObject) 48}; 49 50#endif 51 // _WX_GDIOBJ_H_BASE_ 52