///////////////////////////////////////////////////////////////////////////// // Name: gdiobj.h // Purpose: wxGDIObject class: base class for other GDI classes // Author: David Webster // Modified by: // Created: ??/??/98 // RCS-ID: $Id$ // Copyright: (c) David Webster // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// #ifndef _WX_GDIOBJ_H_ #define _WX_GDIOBJ_H_ #include "wx/object.h" class WXDLLEXPORT wxGDIRefData: public wxObjectRefData { public: inline wxGDIRefData() { } }; #define M_GDIDATA ((wxGDIRefData *)m_refData) class WXDLLEXPORT wxGDIObject: public wxObject { DECLARE_DYNAMIC_CLASS(wxGDIObject) public: inline wxGDIObject() { m_visible = FALSE; }; inline ~wxGDIObject() {}; // Creates the resource virtual bool RealizeResource(void) { return FALSE; }; // Frees the resource virtual bool FreeResource(bool WXUNUSED(force) = FALSE) { return FALSE; }; virtual bool IsFree(void) const { return FALSE; }; inline bool IsNull() const { return (m_refData == 0); } virtual bool GetVisible() { return m_visible; } virtual void SetVisible(bool v) { m_visible = v; } protected: bool m_visible; // Can a pointer to this object be safely taken? // - only if created within FindOrCreate... }; #endif // _WX_GDIOBJ_H_