1. wxFontMapper almost finished

2. font helper functions are now in separate files, not utilsunx.cpp


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@4376 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/fontutil.h

@@ -0,0 +1,93 @@
+/////////////////////////////////////////////////////////////////////////////
+// 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 wxNativeEncodingInfo
+{
+    wxString facename;          // may be empty meaning "any"
+
+#if defined(__WXMSW__)
+    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_