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