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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 | #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) | |
18 | #pragma interface "gdiobj.h" | |
19 | #endif | |
20 | ||
21 | class WXDLLEXPORT wxGDIRefData: public wxObjectRefData { | |
22 | public: | |
23 | inline wxGDIRefData() | |
24 | { | |
25 | } | |
26 | }; | |
27 | ||
28 | #define M_GDIDATA ((wxGDIRefData *)m_refData) | |
29 | ||
30 | class WXDLLEXPORT wxGDIObject: public wxObject | |
31 | { | |
32 | DECLARE_DYNAMIC_CLASS(wxGDIObject) | |
33 | public: | |
34 | inline wxGDIObject() { m_visible = false; }; | |
35 | inline ~wxGDIObject() {}; | |
36 | ||
37 | inline bool IsNull() const { return (m_refData == 0); } | |
38 | ||
39 | virtual bool GetVisible() { return m_visible; } | |
40 | virtual void SetVisible(bool v) { m_visible = v; } | |
41 | ||
42 | protected: | |
43 | bool m_visible; // Can a pointer to this object be safely taken? | |
44 | // - only if created within FindOrCreate... | |
45 | }; | |
46 | ||
47 | #endif | |
48 | // _WX_GDIOBJ_H_ |