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gdiobj.h
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C/C++ Source or Header
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1999-10-09
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1KB
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53 lines
/////////////////////////////////////////////////////////////////////////////
// Name: gdiobj.h
// Purpose: wxGDIObject class: base class for other GDI classes
// Author: David Webster
// Modified by:
// Created: ??/??/98
// RCS-ID: $Id: GDIOBJ.H,v 1.4 1999/10/09 04:19:01 DW Exp $
// 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_