wxWidgets/include/wx/x11/gdiobj.h

/////////////////////////////////////////////////////////////////////////////
// Name:        gdiobj.h
// Purpose:     wxGDIObject class: base class for other GDI classes
// Author:      Julian Smart
// Modified by:
// Created:     17/09/98
// RCS-ID:      $Id$
// Copyright:   (c) Julian Smart
// Licence:   	wxWindows licence
/////////////////////////////////////////////////////////////////////////////

#ifndef _WX_GDIOBJ_H_
#define _WX_GDIOBJ_H_

#include "wx/object.h"

#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
#pragma interface "gdiobj.h"
#endif

class WXDLLEXPORT wxGDIRefData: public wxObjectRefData {
public:
    inline wxGDIRefData()
    {
    }
};

#define M_GDIDATA ((wxGDIRefData *)m_refData)

class WXDLLEXPORT wxGDIObject: public wxObject
{
    DECLARE_DYNAMIC_CLASS(wxGDIObject)
public:
    inline wxGDIObject() { m_visible = FALSE; };
    inline ~wxGDIObject() {};
    
    inline bool IsNull() const { return (m_refData == 0); }
    
    virtual bool GetVisible() { return m_visible; }
    virtual void SetVisible(bool v) { m_visible = v; }
    
protected:
    bool m_visible; // Can a pointer to this object be safely taken?
    // - only if created within FindOrCreate...
};

#endif
// _WX_GDIOBJ_H_