///////////////////////////////////////////////////////////////////////////// // Name: wx/palmos/gdiobj.h // Purpose: wxGDIObject class: base class for other GDI classes // Author: William Osborne - minimal working wxPalmOS port // Modified by: // Created: 10/13/04 // RCS-ID: $Id$ // Copyright: (c) William Osborne // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// #ifndef _WX_GDIOBJ_H_ #define _WX_GDIOBJ_H_ #include "wx/object.h" // base class // ---------------------------------------------------------------------------- // wxGDIRefData is the base class for wxXXXData structures which contain the // real data for the GDI object and are shared among all wxWin objects sharing // the same native GDI object // ---------------------------------------------------------------------------- class WXDLLEXPORT wxGDIRefData : public wxObjectRefData { // this class is intentionally left blank }; // ---------------------------------------------------------------------------- // wxGDIObject // ---------------------------------------------------------------------------- class WXDLLEXPORT wxGDIObject : public wxObject { public: wxGDIObject() { m_visible = FALSE; }; // Creates the resource virtual bool RealizeResource() { return FALSE; }; // Frees the resource virtual bool FreeResource(bool WXUNUSED(force) = FALSE) { return FALSE; } virtual bool IsFree() const { return FALSE; } bool IsNull() const { return (m_refData == 0); } // Returns handle. virtual WXHANDLE GetResourceHandle() const { return 0; } virtual bool GetVisible() { return m_visible; } virtual void SetVisible(bool v) { m_visible = v; } protected: bool m_visible; // TRUE only if we should delete this object ourselves private: DECLARE_DYNAMIC_CLASS(wxGDIObject) }; #endif // _WX_GDIOBJ_H_