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 9f264e744d05df903c88bfd838e44f1d40f055c3..70016808633d6c0461f3a3006443f961fc55f779 100644 (file)
--- a/lily/include/modified-font-metric.hh
+++ b/lily/include/modified-font-metric.hh
@@ -1,9 +1,20 @@
-/*   
-  modified-font-metric.hh -- declare Font_metric
-  
-  source file of the GNU LilyPond music typesetter
-  
-  (c) 1999--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+/*
+  This file is part of LilyPond, the GNU music typesetter.
+
+  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
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  LilyPond is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with LilyPond.  If not, see <http://www.gnu.org/licenses/>.
 */
 
 #ifndef MODIFIED_FONT_METRIC_HH
@@ -11,41 +22,37 @@
 
 #include "font-metric.hh"
 
-/* Perhaps junk this, and move this to paper_def as interface? */
-struct Modified_font_metric : public Font_metric
+struct Preinit_Modified_font_metric
+{
+  Font_metric *orig_;
+  Preinit_Modified_font_metric ();
+};
+
+/* Perhaps junk this, and move this to layout_def as interface? */
+class Modified_font_metric : Preinit_Modified_font_metric,
+                              public Font_metric
 {
 public:
-  Box text_dimension (String);
-  
-  
-  static SCM make_scaled_font_metric (SCM, Font_metric*, Real);
-  virtual int count () const;
-  virtual Offset get_indexed_wxwy (int) const;
-  virtual int name_to_index (String) const;
-  virtual String coding_scheme () const;
+  Stencil text_stencil (Output_def *output_state, const string&, bool, const string&) const;
+  Real get_magnification () const;
 
-  virtual Font_metric * original_font () 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 (const string&) const;
+  size_t name_to_index (string) const;
+  size_t index_to_charcode (size_t) const;
+  Font_metric *original_font () const;
 
 protected:
-  
-  SCM coding_vector_;
-  SCM coding_table_;
-  SCM coding_mapping_;
-  SCM coding_description_;
-  friend SCM ly_font_encoding_alist (SCM);
-    
-  virtual Real design_size () const;
-  virtual void derived_mark () const; 
-  virtual Box get_indexed_char (int) const;
-  virtual int index_to_ascii (int) const;
-  virtual Box get_ascii_char (int) const;
-  Font_metric *orig_;
   Real magnification_;
-  String coding_scheme_;
 
-  
-  Modified_font_metric (String, Font_metric*, Real);
-  Box tex_kludge (String) const;
+  Modified_font_metric (Font_metric *fm, Real magnification);
+  SCM sub_fonts () const;
+  string font_name () const;
+  Real design_size () const;
+  void derived_mark () const;
+  Box get_indexed_char_dimensions (size_t) const;
 };
 
 #endif /* MODIFIED_FONT_METRIC_HH */