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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: gdiobj.h | |
3 | // Purpose: wxGDIObject class: base class for other GDI classes | |
4 | // Author: David Elliott <dfe@cox.net> | |
5 | // Modified by: | |
6 | // Created: 2002/11/27 | |
7 | // RCS-ID: | |
8 | // Copyright: (c) AUTHOR | |
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 | wxGDIObject() : m_visible(FALSE) { } | |
31 | ~wxGDIObject() { } | |
32 | ||
33 | 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_ |