wxWidgets/include/wx/os2/gdiobj.h
David Webster 45016e1a6b *** empty log message ***
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@3898 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
1999-10-09 04:19:01 +00:00

53 lines
1.3 KiB
C++

/////////////////////////////////////////////////////////////////////////////
// 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_