source file of the GNU LilyPond music typesetter
- (c) 1998--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-
+ (c) 1998--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ Jan Nieuwenhuizen <janneke@gnu.org>
*/
+#include <math.h>
+#include "warn.hh"
+#include "grob.hh"
#include "text-item.hh"
-#include "debug.hh"
-#include "molecule.hh"
+#include "font-interface.hh"
+#include "virtual-font-metric.hh"
#include "paper-def.hh"
-#include "lookup.hh"
-Molecule*
-Text_item::do_brew_molecule_p () const
+MAKE_SCHEME_CALLBACK (Text_item, interpret_markup, 3)
+SCM
+Text_item::interpret_markup (SCM paper, SCM props, SCM markup)
{
- SCM style = get_elt_property ("style");
- String st = gh_string_p (style) ? ly_scm2string (style) : "";
-
- Molecule a= paper_l ()->lookup_l(0)->text (st, text_str_, paper_l ());
+ if (gh_string_p (markup))
+ {
+ String str = ly_scm2string (markup);
+ if (str.index_any (" \t\n\r") != -1)
+ {
+ /* Multi word string to line markup. */
+ static SCM proc;
+ if (!proc)
+ proc = scm_c_eval_string ("make-simple-markup");
+ return interpret_markup (paper, props, scm_call_1 (proc, markup));
+ }
- return new Molecule (a);
+ /* Simple word. */
+ Paper_def *pap = unsmob_paper (paper);
+ Font_metric *fm = select_font (pap, props);
+ SCM lst = 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
+ lst = fontify_atom (fm, lst);
+
+ Box b = fm->text_dimension (str);
+ return Stencil (b, lst).smobbed_copy ();
+ }
+ else if (gh_pair_p (markup))
+ {
+ 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);
+ }
+ return SCM_EOL;
}
-void
-Text_item::do_print () const
+MAKE_SCHEME_CALLBACK (Text_item,print,1);
+SCM
+Text_item::print (SCM grob)
{
- DEBUG_OUT << "text= " << text_str_;
+ Grob * me = unsmob_grob (grob);
+
+ SCM t = me->get_property ("text");
+ SCM chain = Font_interface::font_alist_chain (me);
+ return interpret_markup (me->get_paper ()->self_scm (), chain, t);
}
+
+/*
+ Ugh. Duplicated from Scheme.
+ */
+bool
+Text_item::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")));
+}
+
+ADD_INTERFACE (Text_item,"text-interface",
+ "A scheme markup text, see @usermanref{Text-markup}.",
+ "text baseline-skip word-space");
+
+
+
+