/usr/include/wx-3.0/wx/fontenum.h is in wx3.0-headers 3.0.4+dfsg-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// Name: wx/fontenum.h
// Purpose: wxFontEnumerator class for getting available fonts
// Author: Julian Smart, Vadim Zeitlin
// Modified by: extended to enumerate more than just font facenames and works
// not only on Windows now (VZ)
// Created: 04/01/98
// Copyright: (c) Julian Smart, Vadim Zeitlin
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_FONTENUM_H_
#define _WX_FONTENUM_H_
#include "wx/defs.h"
#if wxUSE_FONTENUM
#include "wx/fontenc.h"
#include "wx/arrstr.h"
// ----------------------------------------------------------------------------
// wxFontEnumerator enumerates all available fonts on the system or only the
// fonts with given attributes
// ----------------------------------------------------------------------------
class WXDLLIMPEXP_CORE wxFontEnumerator
{
public:
wxFontEnumerator() {}
// virtual dtor for the base class
virtual ~wxFontEnumerator() {}
// start enumerating font facenames (either all of them or those which
// support the given encoding) - will result in OnFacename() being
// called for each available facename (until they are exhausted or
// OnFacename returns false)
virtual bool EnumerateFacenames
(
wxFontEncoding encoding = wxFONTENCODING_SYSTEM, // all
bool fixedWidthOnly = false
);
// enumerate the different encodings either for given font facename or for
// all facenames - will result in OnFontEncoding() being called for each
// available (facename, encoding) couple
virtual bool EnumerateEncodings(const wxString& facename = wxEmptyString);
// callbacks which are called after one of EnumerateXXX() functions from
// above is invoked - all of them may return false to stop enumeration or
// true to continue with it
// called by EnumerateFacenames
virtual bool OnFacename(const wxString& WXUNUSED(facename))
{ return true; }
// called by EnumerateEncodings
virtual bool OnFontEncoding(const wxString& WXUNUSED(facename),
const wxString& WXUNUSED(encoding))
{ return true; }
// convenience function that returns array of facenames.
static wxArrayString
GetFacenames(wxFontEncoding encoding = wxFONTENCODING_SYSTEM, // all
bool fixedWidthOnly = false);
// convenience function that returns array of all available encodings.
static wxArrayString GetEncodings(const wxString& facename = wxEmptyString);
// convenience function that returns true if the given face name exist
// in the user's system
static bool IsValidFacename(const wxString &str);
private:
#ifdef wxHAS_UTF8_FONTS
// helper for ports that only use UTF-8 encoding natively
bool EnumerateEncodingsUTF8(const wxString& facename);
#endif
wxDECLARE_NO_COPY_CLASS(wxFontEnumerator);
};
#endif // wxUSE_FONTENUM
#endif // _WX_FONTENUM_H_
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