1 /////////////////////////////////////////////////////////////////////////////
2 // Name: wx/msw/gdiobj.h
3 // Purpose: wxGDIObject class: base class for other GDI classes
4 // Author: Julian Smart
8 // Copyright: (c) Julian Smart
9 // Licence: wxWindows licence
10 /////////////////////////////////////////////////////////////////////////////
16 #pragma interface "gdiobj.h"
19 #include "wx/object.h" // base class
21 // ----------------------------------------------------------------------------
22 // wxGDIRefData is the base class for wxXXXData structures which contain the
23 // real data for the GDI object and are shared among all wxWin objects sharing
24 // the same native GDI object
25 // ----------------------------------------------------------------------------
27 class WXDLLEXPORT wxGDIRefData
: public wxObjectRefData
29 // this class is intentionally left blank
32 // ----------------------------------------------------------------------------
34 // ----------------------------------------------------------------------------
36 class WXDLLEXPORT wxGDIObject
: public wxObject
41 virtual bool GetVisible() { return m_visible
; }
42 virtual void SetVisible( bool visible
) { m_visible
= visible
; }
44 bool IsNull() const { return (m_refData
== 0); }
47 bool m_visible
; /* can a pointer to this object be safely taken?
48 * - only if created within FindOrCreate... */
51 DECLARE_DYNAMIC_CLASS(wxGDIObject
)