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[wxWidgets.git] / include / wx / x11 / gdiobj.h
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: gdiobj.h
3 // Purpose: wxGDIObject class: base class for other GDI classes
4 // Author: Julian Smart
5 // Modified by:
6 // Created: 17/09/98
7 // RCS-ID: $Id$
8 // Copyright: (c) Julian Smart
9 // Licence: wxWindows licence
10 /////////////////////////////////////////////////////////////////////////////
11
12 #ifndef _WX_GDIOBJ_H_
13 #define _WX_GDIOBJ_H_
14
15 #include "wx/object.h"
16
17 class WXDLLEXPORT wxGDIRefData: public wxObjectRefData {
18 public:
19 inline wxGDIRefData()
20 {
21 }
22 };
23
24 #define M_GDIDATA ((wxGDIRefData *)m_refData)
25
26 class WXDLLEXPORT wxGDIObject: public wxObject
27 {
28 DECLARE_DYNAMIC_CLASS(wxGDIObject)
29 public:
30 inline wxGDIObject() { m_visible = FALSE; };
31 inline ~wxGDIObject() {};
32
33 inline bool IsNull() const { return (m_refData == 0); }
34
35 virtual bool GetVisible() { return m_visible; }
36 virtual void SetVisible(bool v) { m_visible = v; }
37
38 protected:
39 bool m_visible; // Can a pointer to this object be safely taken?
40 // - only if created within FindOrCreate...
41 };
42
43 #endif
44 // _WX_GDIOBJ_H_