]> git.donarmstrong.com Git - lilypond.git/blobdiff - lily/font-select.cc
Run `make grand-replace'.
[lilypond.git] / lily / font-select.cc
index 0a8a093ca957658c015aa5d94f20b9c75656c6b2..81ba1115ce453314ed5807d535afed55d8fac2c9 100644 (file)
@@ -1,12 +1,11 @@
 /*
-  font-select.cc -- implement property -> font_metric routines. 
+  font-select.cc -- implement property -> font_metric routines.
 
   source file of the GNU LilyPond music typesetter
 
-  (c) 2003--2004 Han-Wen Nienhuys <hanwen@xs4all.nl>
+  (c) 2003--2008 Han-Wen Nienhuys <hanwen@xs4all.nl>
 */
 
-#include <math.h>
 
 #include "dimensions.hh"
 #include "all-font-metrics.hh"
@@ -16,7 +15,6 @@
 #include "pango-font.hh"
 #include "main.hh"
 
-
 Font_metric *
 get_font_by_design_size (Output_def *layout, Real requested,
                         SCM font_vector)
@@ -26,11 +24,12 @@ get_font_by_design_size (Output_def *layout, Real requested,
   Real last_size = -1e6;
   int i = 0;
 
-  String pango_description_string;
+  SCM pango_description_string = SCM_EOL;
+  SCM last_pango_description_string = SCM_EOL;
   for (; i < n; i++)
     {
       SCM entry = scm_c_vector_ref (font_vector, i);
-      
+
       if (scm_promise_p (entry) == SCM_BOOL_T)
        {
          Font_metric *fm = unsmob_metrics (scm_force (entry));
@@ -43,13 +42,14 @@ get_font_by_design_size (Output_def *layout, Real requested,
        {
          size = scm_to_double (scm_car (entry));
          pango_description_string
-           = ly_scm2string (scm_cdr (entry));
+           = scm_cdr (entry);
        }
 #endif
-      
+
       if (size > requested)
        break;
       last_size = size;
+      last_pango_description_string = pango_description_string;
     }
 
   if (i == n)
@@ -60,26 +60,23 @@ get_font_by_design_size (Output_def *layout, Real requested,
        {
          i--;
          size = last_size;
+         pango_description_string = last_pango_description_string;
        }
     }
-  
+
   Font_metric *fm = 0;
-  if (pango_description_string != "")
+  if (scm_is_string (pango_description_string))
     {
 #if HAVE_PANGO_FT2
-      PangoFontDescription *description
-       = pango_font_description_from_string (pango_description_string.to_str0 ());
-      return all_fonts_global->find_pango_font (description,
-                                               requested / size,
-                                               output_scale (layout));
+      return find_pango_font (layout,
+                             pango_description_string,
+                             requested / size);
 #else
-      error ("Trying to retrieve pango font without HAVE_PANGO_FT2."); 
+      error ("Trying to retrieve pango font without HAVE_PANGO_FT2.");
 #endif
     }
   else
-    {
-      fm = unsmob_metrics (scm_force (scm_c_vector_ref (font_vector, i)));
-    }
+    fm = unsmob_metrics (scm_force (scm_c_vector_ref (font_vector, i)));
 
   return find_scaled_font (layout, fm, requested / size);
 }
@@ -96,49 +93,34 @@ get_font_by_mag_step (Output_def *layout, Real requested_step,
 SCM
 properties_to_font_size_family (SCM fonts, SCM alist_chain)
 {
-  return scm_call_2 (ly_lily_module_constant ("lookup-font"), fonts, alist_chain);
+  return scm_call_2 (ly_lily_module_constant ("lookup-font"), fonts,
+                    alist_chain);
 }
 
 Font_metric *
 select_encoded_font (Output_def *layout, SCM chain)
 {
-  SCM name = ly_chain_assoc (ly_symbol2scm ("font-name"), chain);
+  SCM name = ly_chain_assoc_get (ly_symbol2scm ("font-name"), chain, SCM_BOOL_F);
 
-  if (!scm_is_pair (name) || !scm_is_string (scm_cdr (name)))
+  if (!scm_is_string (name))
     {
       SCM fonts = layout->lookup_variable (ly_symbol2scm ("fonts"));
       name = properties_to_font_size_family (fonts, chain);
     }
-  else
-    name = scm_cdr (name);
 
 #if HAVE_PANGO_FT2
   if (scm_is_string (name)
       && is_pango_format_global)
-    {
-      return select_pango_font (layout, chain);
-    }
+    return select_pango_font (layout, chain);
   else
 #endif
-    if (scm_is_string (name))
-      {
-       SCM mag = ly_chain_assoc (ly_symbol2scm ("font-magnification"), chain);
-       Real rmag = (scm_is_pair (mag)
-                    ? robust_scm2double (scm_cdr (mag), 1.0)
-                    : 1);
-       Font_metric *fm = all_fonts_global->find_font (ly_scm2string (name));
-               
-       return find_scaled_font (layout, fm, rmag);
-      }
-    else if (scm_instance_p (name))
+    if (scm_instance_p (name))
       {
-       SCM base_size  = scm_slot_ref (name, ly_symbol2scm ("default-size"));
+       SCM base_size = scm_slot_ref (name, ly_symbol2scm ("default-size"));
        SCM vec = scm_slot_ref (name, ly_symbol2scm ("size-vector"));
 
-       SCM font_size = ly_chain_assoc (ly_symbol2scm ("font-size"), chain);
-       Real req = 0;
-       if (scm_is_pair (font_size))
-         req = scm_to_double (scm_cdr (font_size));
+       Real req = robust_scm2double (ly_chain_assoc_get (ly_symbol2scm ("font-size"), chain, SCM_BOOL_F),
+                                     0.0);
 
        return get_font_by_mag_step (layout, req, vec,
                                     scm_to_double (base_size));