Issue 1388: Initial work to support opentype font features.

[lilypond.git] / lily / include / modified-font-metric.hh

diff --git a/lily/include/modified-font-metric.hh b/lily/include/modified-font-metric.hh
index 6bf2d8d6d0e9f9e3c4c61236c128f4918726fec4..70016808633d6c0461f3a3006443f961fc55f779 100644 (file)
--- a/lily/include/modified-font-metric.hh
+++ b/lily/include/modified-font-metric.hh
@@ -1,7 +1,7 @@
 /*
   This file is part of LilyPond, the GNU music typesetter.
 
-  Copyright (C) 1999--2012 Han-Wen Nienhuys <hanwen@xs4all.nl>
+  Copyright (C) 1999--2015 Han-Wen Nienhuys <hanwen@xs4all.nl>
 
   LilyPond is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
@@ -22,23 +22,29 @@
 
 #include "font-metric.hh"
 
+struct Preinit_Modified_font_metric
+{
+  Font_metric *orig_;
+  Preinit_Modified_font_metric ();
+};
+
 /* Perhaps junk this, and move this to layout_def as interface? */
-struct Modified_font_metric : public Font_metric
+class Modified_font_metric : Preinit_Modified_font_metric,
+                              public Font_metric
 {
 public:
-  Stencil text_stencil (Output_def *output_state, string, bool) const;
+  Stencil text_stencil (Output_def *output_state, const string&, bool, const string&) const;
   Real get_magnification () const;
 
   static SCM make_scaled_font_metric (Font_metric *fm, Real magnification);
   size_t count () const;
   Offset get_indexed_wxwy (size_t) const;
-  Offset attachment_point (string) const;
+  Offset attachment_point (const string&) const;
   size_t name_to_index (string) const;
   size_t index_to_charcode (size_t) const;
   Font_metric *original_font () const;
 
 protected:
-  Font_metric *orig_;
   Real magnification_;
 
   Modified_font_metric (Font_metric *fm, Real magnification);