The grand \paper -> \layout, \bookpaper -> \paper renaming.

[lilypond.git] / lily / text-item.cc

diff --git a/lily/text-item.cc b/lily/text-item.cc
index f695a06f501fac153602d219a42b1f7521e311c4..032bb09ae12b15f7af20992252a90e144885e5d4 100644 (file)
--- a/lily/text-item.cc
+++ b/lily/text-item.cc
@@ -1,11 +1,12 @@
 /*   
-  text-item.cc -- implement Text_item
+  text-item.cc -- implement Text_interface
 
   source file of the GNU LilyPond music typesetter
   
-  (c) 1998--2003 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-  Jan Nieuwenhuizen <janneke@gnu.org>
- */
+  (c) 1998--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+                 Jan Nieuwenhuizen <janneke@gnu.org>
+*/
+
 #include <math.h>
 
 #include "warn.hh"
@@ -13,75 +14,100 @@
 #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");
+  SCM_ASSERT_TYPE (input_encoding == SCM_EOL || scm_is_symbol (input_encoding),
+                  input_encoding, SCM_ARG2, __FUNCTION__, "symbol");
+  
+  String str = ly_scm2string (markup);
+  if (!scm_is_symbol (input_encoding))
     {
-      Paper_def *pap = unsmob_paper (paper);
-      Font_metric *fm = Font_interface::get_font (pap, props);
+      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;
+    }
   
-      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);
+  Font_metric *fm = select_encoded_font (layout, props, input_encoding);
 
-      Box b = fm->text_dimension (ly_scm2string (markup));
-      return Molecule (b, list).smobbed_copy();
-    }
-  else if (gh_pair_p (markup))
+  SCM lst = SCM_EOL;      
+  Box b;
+  if (Modified_font_metric* mf = dynamic_cast<Modified_font_metric*> (fm))
     {
-      SCM func = gh_car (markup);
-      SCM args = gh_cdr (markup);
-      if (!markup_p (markup))
-       programming_error ("Markup head has no markup signature.");
-      
-      return scm_apply_2 (func, paper, props, args);
+      lst = scm_list_3 (ly_symbol2scm ("text"),
+                       mf->self_scm (),
+                       markup);
+       
+      b = mf->text_dimension (str);
     }
   else
     {
-      return SCM_EOL;
+      /* ARGH. */
+      programming_error ("Must have Modified_font_metric for text.");
+      scm_display (fm->description_, scm_current_error_port ());
     }
+      
+  return Stencil (b, lst).smobbed_copy ();
 }
 
-MAKE_SCHEME_CALLBACK(Text_item,brew_molecule,1);
+
+MAKE_SCHEME_CALLBACK (Text_interface, interpret_markup, 3)
 SCM
-Text_item::brew_molecule (SCM grob)
+Text_interface::interpret_markup (SCM layout_smob, SCM props, SCM markup)
 {
-  Grob * me = unsmob_grob (grob);
-
-  SCM t = me->get_grob_property ("text");
-  SCM chain = Font_interface::font_alist_chain (me);
-  return interpret_markup (grob, chain, t);
+  if (scm_is_string (markup))
+    return interpret_string (layout_smob, props, SCM_EOL, markup);
+  else if (scm_is_pair (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, layout_smob, props, args);
+    }
+  return SCM_EOL;
 }
 
+MAKE_SCHEME_CALLBACK (Text_interface,print,1);
+SCM
+Text_interface::print (SCM grob)
+{
+  Grob *me = unsmob_grob (grob);
+  
+  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 @ref{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");