release: 1.5.29

[lilypond.git] / lily / scaled-font-metric.cc

diff --git a/lily/scaled-font-metric.cc b/lily/scaled-font-metric.cc
index 3327b2d8b639e157017a0dd6af8163cc35e1a4cf..d911d26e2ba8948ee47b29c2d4ce1b655f507e0d 100644 (file)
--- a/lily/scaled-font-metric.cc
+++ b/lily/scaled-font-metric.cc
@@ -1,4 +1,13 @@
-#include "font-metric.hh"
+/*   
+     scaled-font-metric.cc -- declare Scaled_font_metric
+  
+  source file of the GNU LilyPond music typesetter
+  
+  (c) 1999--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+  
+ */
+
+#include "scaled-font-metric.hh"
 #include "string.hh"
 #include "molecule.hh"
 
@@ -6,6 +15,10 @@
 Scaled_font_metric::Scaled_font_metric (Font_metric* m, Real magn)
 {
   magnification_f_ = magn;
+  SCM desc = m->description_;
+
+  Real total_mag = magn * gh_scm2double (ly_cdr (desc));
+  description_ = gh_cons (ly_car (desc), gh_double2scm (total_mag));
   orig_l_ = m;
 }
 
@@ -13,23 +26,39 @@ SCM
 Scaled_font_metric::make_scaled_font_metric (Font_metric*m, Real s)
 {
   Scaled_font_metric *sfm = new Scaled_font_metric (m,s);
-  sfm->name_ = m->name_;
-  
   return sfm->self_scm ();
 }
 
-SCM
-Scaled_font_metric::description () const
+Molecule
+Scaled_font_metric::find_by_name (String s) const
 {
-  SCM od = orig_l_->description ();
-  // todo:
-  //  gh_set_cdr_x (od, gh_int2scm (magstep_i_));
-  return od;
+  Molecule m = orig_l_->find_by_name (s);
+  Box b = m.extent_box ();
+  b.scale (magnification_f_);
+  Molecule q (b,fontify_atom ((Font_metric*) this, m.get_expr ()));
+
+  return q ;
 }
 
+Box 
+Scaled_font_metric::get_char (int i) const
+{
+  Box b = orig_l_->get_char (i);
+  b.scale (magnification_f_);
+  return b;  
+}
 
-Molecule
-Scaled_font_metric::find_by_name (String s, Real mag) const
+Box
+Scaled_font_metric::text_dimension (String t) const
+{
+  Box b (orig_l_->text_dimension (t));
+
+  b.scale (magnification_f_);
+  return b;
+}
+
+int
+Scaled_font_metric::count () const
 {
-  return orig_l_->find_by_name (s, magnification_f_ * mag);    // ugh.
+  return orig_l_->count ();
 }