wxWidgets/include/wx/fontutil.h
1999-11-10 11:32:00 +00:00

96 lines
3.4 KiB
C

/////////////////////////////////////////////////////////////////////////////
// Name: wx/fontutil.h
// Purpose: font-related helper functions
// Author: Vadim Zeitlin
// Modified by:
// Created: 05.11.99
// RCS-ID: $Id$
// Copyright: (c) wxWindows team
// Licence: wxWindows license
/////////////////////////////////////////////////////////////////////////////
// General note: this header is private to wxWindows and is not supposed to be
// included by user code. The functions declared here are implemented in
// msw/fontutil.cpp for Windows, unix/fontutil.cpp for GTK/Motif &c.
#ifndef _WX_FONTUTIL_H_
#define _WX_FONTUTIL_H_
#ifdef __GNUG__
#pragma interface "fontutil.h"
#endif
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
#include "wx/font.h" // for wxFont and wxFontEncoding
// for our purposes here, GDK and X are identical
#if defined(__WXGTK__) || defined(__X__)
#define _WX_X_FONTLIKE
#endif
// ----------------------------------------------------------------------------
// types
// ----------------------------------------------------------------------------
// This private structure specifies all the parameters needed to create a font
// with the given encoding on this platform.
//
// Under X, it contains the last 2 elements of the font specifications
// (registry and encoding).
//
// Under Windows, it contains a number which is one of predefined CHARSET_XXX
// values.
//
// Under all platforms it also contains a facename string which should be
// used, if not empty, to create fonts in this encoding (this is the only way
// to create a font of non-standard encoding (like KOI8) under Windows - the
// facename specifies the encoding then)
struct WXDLLEXPORT wxNativeEncodingInfo
{
wxString facename; // may be empty meaning "any"
#if defined(__WXMSW__) || defined(__WXPM__) || defined(__WXMAC__)
wxNativeEncodingInfo() { charset = 0; /* ANSI_CHARSET */ }
int charset;
#elif defined(_WX_X_FONTLIKE)
wxString xregistry,
xencoding;
#else
#error "Unsupported toolkit"
#endif
// this struct is saved in config by wxFontMapper, so it should know to
// serialise itself (implemented in platform-specific code)
bool FromString(const wxString& s);
wxString ToString() const;
};
// ----------------------------------------------------------------------------
// font-related functions (common)
// ----------------------------------------------------------------------------
// translate a wxFontEncoding into native encoding parameter (defined above),
// returning TRUE if an (exact) macth could be found, FALSE otherwise (without
// attempting any substitutions)
extern bool wxGetNativeFontEncoding(wxFontEncoding encoding,
wxNativeEncodingInfo *info);
// test for the existence of the font described by this facename/encoding,
// return TRUE if such font(s) exist, FALSE otherwise
extern bool wxTestFontEncoding(const wxNativeEncodingInfo& info);
// ----------------------------------------------------------------------------
// font-related functions (X and GTK)
// ----------------------------------------------------------------------------
#ifdef _WX_X_FONTLIKE
#include "wx/unix/fontutil.h"
#endif // X || GDK
#endif // _WX_FONTUTIL_H_