X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Ftext-item.cc;h=7203d7b8e049d0b0b4a5eb286e57ce652a14250b;hb=98ba77f9a972c75e431f29a47df18676c3d65621;hp=f45b66e068b14e2c229e8552530cf80692a7de65;hpb=402045837e7134cdf90d1fcf31768c62227a4936;p=lilypond.git

diff --git a/lily/text-item.cc b/lily/text-item.cc
index f45b66e068..7203d7b8e0 100644
--- a/lily/text-item.cc
+++ b/lily/text-item.cc
@@ -1,86 +1,120 @@
 /*   
-  text-item.cc -- implement Text_item
+  text-item.cc -- implement Text_interface
 
   source file of the GNU LilyPond music typesetter
   
   (c) 1998--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-  Jan Nieuwenhuizen <janneke@gnu.org>
- */
+                 Jan Nieuwenhuizen <janneke@gnu.org>
+*/
+
+#include "text-item.hh"
+
 #include <math.h>
 
+#include "main.hh" 
+#include "config.hh"
+#include "pango-font.hh"
 #include "warn.hh"
 #include "grob.hh"
-#include "text-item.hh"
 #include "font-interface.hh"
-#include "virtual-font-metric.hh"
-#include "paper-def.hh"
+#include "output-def.hh"
+#include "modified-font-metric.hh"
+#include "ly-module.hh"
+
 
-MAKE_SCHEME_CALLBACK(Text_item,interpret_markup,3);
+MAKE_SCHEME_CALLBACK (Text_interface, interpret_string, 4)
 SCM
-Text_item::interpret_markup (SCM paper, SCM props, SCM markup)
+Text_interface::interpret_string (SCM layout_smob,
+				  SCM props, SCM input_encoding, SCM markup)
 {
-  if (gh_string_p (markup))
+  Output_def *layout = unsmob_output_def (layout_smob);
+  
+  SCM_ASSERT_TYPE (layout, layout_smob, SCM_ARG1,
+		   __FUNCTION__, "Layout definition");
+  SCM_ASSERT_TYPE (scm_is_string (markup), markup, SCM_ARG3,
+		   __FUNCTION__, "string");
+
+  String str = ly_scm2string (markup);
+
+#if HAVE_PANGO_FT2
+  if (output_format_global != "tex")
     {
-      Paper_def *pap = unsmob_paper (paper);
-      Font_metric *fm = select_font (pap, props);
+      Font_metric *fm = select_pango_font (layout, props);
+      return fm->text_stencil (str).smobbed_copy ();
+    }
+#endif
   
-      SCM list = scm_list_n (ly_symbol2scm ("text"), markup, SCM_UNDEFINED);
-      
-      if (dynamic_cast<Virtual_font_metric*> (fm))
-	{
-	  /*
-	    ARGH.
-	  */
-	  programming_error ("Can't use virtual font for text.");
-	}
-      else
-	list = fontify_atom (fm, list);
-
-      Box b = fm->text_dimension (ly_scm2string (markup));
-      return Stencil (b, list).smobbed_copy();
+  SCM_ASSERT_TYPE (input_encoding == SCM_EOL || scm_is_symbol (input_encoding),
+		   input_encoding, SCM_ARG2, __FUNCTION__, "symbol");
+
+  if (!scm_is_symbol (input_encoding))
+    {
+      SCM enc = layout->lookup_variable (ly_symbol2scm ("inputencoding"));
+      if (scm_is_string (enc))
+	input_encoding = scm_string_to_symbol (enc);
+      else if (scm_is_symbol (enc))
+	input_encoding = enc;
     }
-  else if (gh_pair_p (markup))
+  
+  Font_metric *fm = select_encoded_font (layout, props, input_encoding);
+
+  return fm->text_stencil (str).smobbed_copy();
+}
+
+MAKE_SCHEME_CALLBACK (Text_interface, interpret_markup, 3)
+SCM
+Text_interface::interpret_markup (SCM layout_smob, SCM props, SCM markup)
+{
+  if (scm_is_string (markup))
+    return interpret_string (layout_smob, props, SCM_EOL, markup);
+  else if (scm_is_pair (markup))
     {
-      SCM func = gh_car (markup);
-      SCM args = gh_cdr (markup);
+      SCM func = scm_car (markup);
+      SCM args = scm_cdr (markup);
       if (!markup_p (markup))
 	programming_error ("Markup head has no markup signature.");
       
-      return scm_apply_2 (func, paper, props, args);
+      return scm_apply_2 (func, layout_smob, props, args);
     }
   else
     {
-      return SCM_EOL;
+      programming_error ("Is not a markup: ");
+      scm_display (markup, scm_current_error_port());
+      assert (false);
+      Box b;
+      b[X_AXIS].set_empty();
+      b[Y_AXIS].set_empty();
+      
+      Stencil s(b, SCM_EOL);
+      return s.smobbed_copy();
     }
 }
 
-MAKE_SCHEME_CALLBACK(Text_item,print,1);
+MAKE_SCHEME_CALLBACK (Text_interface,print,1);
 SCM
-Text_item::print (SCM grob)
+Text_interface::print (SCM grob)
 {
-  Grob * me = unsmob_grob (grob);
+  Grob *me = unsmob_grob (grob);
   
-  SCM t = me->get_grob_property ("text");
-  SCM chain = Font_interface::font_alist_chain (me);
-  return interpret_markup (me->get_paper ()->self_scm (), chain, t);
+  SCM t = me->get_property ("text");
+  SCM chain = Font_interface::text_font_alist_chain (me);
+  return interpret_markup (me->get_layout ()->self_scm (), chain, t);
 }
 
-
-/*
-  Ugh. Duplicated from Scheme.
- */
+/* Ugh. Duplicated from Scheme.  */
 bool
-Text_item::markup_p (SCM x)
+Text_interface::markup_p (SCM x)
 {
-  return
-    gh_string_p (x) ||
-    (gh_pair_p (x)
-     && SCM_BOOL_F != scm_object_property (gh_car (x), ly_symbol2scm ("markup-signature")));
+  return (scm_is_string (x)
+	  || (scm_is_pair (x)
+	      && SCM_BOOL_F
+	      != scm_object_property (scm_car (x),
+				      ly_symbol2scm ("markup-signature"))));
 }
 
-ADD_INTERFACE (Text_item,"text-interface",
-  "A scheme markup text, see @usermanref{Markup functions}.",
-  "text baseline-skip word-space");
+ADD_INTERFACE (Text_interface,"text-interface",
+	       "A scheme markup text, see @usermanref{Text-markup}.",
+	       "text baseline-skip word-space");