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git.saurik.com Git - wxWidgets.git/blob - include/wx/os2/gdiobj.h
1 /////////////////////////////////////////////////////////////////////////////
3 // Purpose: wxGDIObject class: base class for other GDI classes
4 // Author: David Webster
8 // Copyright: (c) David Webster
9 // Licence: wxWindows licence
10 /////////////////////////////////////////////////////////////////////////////
15 #include "wx/object.h"
17 class WXDLLEXPORT wxGDIRefData
: public wxObjectRefData
{
24 #define M_GDIDATA ((wxGDIRefData *)m_refData)
26 class WXDLLEXPORT wxGDIObject
: public wxObject
28 DECLARE_DYNAMIC_CLASS(wxGDIObject
)
30 inline wxGDIObject() { m_visible
= FALSE
; };
31 inline ~wxGDIObject() {};
33 // Creates the resource
34 virtual bool RealizeResource(void) { return FALSE
; };
37 virtual bool FreeResource(bool WXUNUSED(force
) = FALSE
) { return FALSE
; };
39 virtual bool IsFree(void) const { return FALSE
; };
41 inline bool IsNull() const { return (m_refData
== 0); }
43 virtual bool GetVisible() { return m_visible
; }
44 virtual void SetVisible(bool v
) { m_visible
= v
; }
47 bool m_visible
; // Can a pointer to this object be safely taken?
48 // - only if created within FindOrCreate...