/*
- chord-name.cc -- implement Chord_name
+ This file is part of LilyPond, the GNU music typesetter.
- source file of the GNU LilyPond music typesetter
+ Copyright (C) 1999--2015 Jan Nieuwenhuizen <janneke@gnu.org>
- (c) 1999--2000 Jan Nieuwenhuizen <janneke@gnu.org>
-*/
+ LilyPond is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
-#include "chord-name.hh"
-#include "musical-request.hh"
-#include "warn.hh"
-#include "debug.hh"
-#include "molecule.hh"
-#include "paper-def.hh"
-#include "lookup.hh"
-#include "staff-symbol-referencer.hh"
+ LilyPond is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+ You should have received a copy of the GNU General Public License
+ along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
+*/
-/*
- TODO: move text lookup out of Chord_name
- */
+#include "chord-name.hh"
-/*
- word is roman text or property-styled text:
- "text"
- ("text" . property-alist)
- */
+#include "output-def.hh"
+#include "font-interface.hh"
+#include "paper-column.hh"
+#include "system.hh"
+#include "staff-symbol-referencer.hh"
+#include "text-interface.hh"
-Molecule
-Chord_name::ly_word2molecule (SCM word, Real* x) const
+MAKE_SCHEME_CALLBACK (Chord_name, after_line_breaking, 1);
+SCM
+Chord_name::after_line_breaking (SCM smob)
{
- *x = 0;
+ Item *me = Item::unsmob (smob);
+ assert (me);
- SCM options_alist = SCM_EOL;
- if (gh_pair_p (word))
+ SCM s = me->get_property ("begin-of-line-visible");
+ if (to_boolean (s))
{
- options_alist = gh_cdr (word);
- word = gh_car (word);
+ if (me->get_column ()->get_rank ()
+ - me->get_system ()->spanned_rank_interval ()[LEFT] > 1)
+ me->suicide ();
}
-
- if (gh_string_p (word))
- {
- /*
- UGH. Should read from font metric structure.
- */
- Real ex = lookup_l ()->text ("", "x",
- paper_l ()).extent (Y_AXIS).length ();
- Real em = lookup_l ()->text ("", "m",
- paper_l ()).extent (X_AXIS).length ();
-
- String w = ly_scm2string (word);
-
- String style;
- SCM s = scm_assoc (ly_symbol2scm ("style"), options_alist);
- if (s != SCM_BOOL_F)
- {
- style = ly_scm2string (gh_cdr (s));
- }
-
- Offset offset;
- int size = 0;
- /*
- urg, `type'
- */
- s = scm_assoc (ly_symbol2scm ("type"), options_alist);
- if (s != SCM_BOOL_F && ly_scm2string (gh_cdr (s)) == "super")
- {
- Real super_y = ex / 2;
- offset = Offset (0, super_y);
- if (!size)
- size = -2;
- }
-
- s = scm_assoc (ly_symbol2scm ("size"), options_alist);
- if (s != SCM_BOOL_F)
- {
- size = gh_scm2int (gh_cdr (s));
- }
-
- s = scm_assoc (ly_symbol2scm ("offset"), options_alist);
- if (s != SCM_BOOL_F)
- {
- // hmm
- SCM o = gh_cdr (s);
- if (gh_pair_p (o))
- offset = Offset (0, gh_scm2double (gh_cdr (o))) * ex;
- *x = gh_scm2double (gh_car (o)) * em;
- }
-
- Molecule mol;
- s = scm_assoc (ly_symbol2scm ("font"), options_alist);
- if (s != SCM_BOOL_F && ly_scm2string (gh_cdr (s)) == "feta")
- mol = paper_l ()->lookup_l (size)->afm_find (w);
- else
- mol = paper_l ()->lookup_l (size)->text (style, w, paper_l ());
-
- mol.translate (offset);
- return mol;
- }
- return Molecule ();
+ return SCM_UNSPECIFIED;
}
-/*
- ;; text: list of word
- ;; word: string + optional list of property
- ;; property: align, kern, font (?), size
- */
-Molecule
-Chord_name::ly_text2molecule (SCM text) const
-{
- Molecule mol;
- if (gh_list_p (text))
- {
- while (gh_cdr (text) != SCM_EOL)
- {
- Real x;
- Molecule m = ly_word2molecule (gh_car (text), &x);
- if (!m.empty_b ())
- mol.add_at_edge (X_AXIS, RIGHT, m, x);
- text = gh_cdr (text);
- }
- text = gh_car (text);
- }
- Real x;
- Molecule m = ly_word2molecule (text, &x);
- if (!m.empty_b ())
- mol.add_at_edge (X_AXIS, RIGHT, m, x);
- return mol;
-}
-
-MAKE_SCHEME_SCORE_ELEMENT_CALLBACK(Chord_name,brew_molecule);
-
-SCM
-Chord_name::brew_molecule (SCM smob)
-{
- Score_element *sc = unsmob_element (smob);
- SCM style = sc->get_elt_property ("style");
- if (style == SCM_UNDEFINED)
- style = ly_str02scm ("banter");
+ADD_INTERFACE (Chord_name,
+ "A chord label (name or fretboard).",
- SCM inversion = sc-> get_elt_property ("inversion");
- if (inversion == SCM_UNDEFINED)
- inversion = SCM_BOOL_F;
-
- SCM bass = sc->get_elt_property ("bass");
- if (bass == SCM_UNDEFINED)
- bass = SCM_BOOL_F;
-
- SCM pitches = sc->get_elt_property ("pitches");
-
- SCM text = scm_eval (gh_list (ly_symbol2scm ("chord::user-name"),
- style,
- ly_quote_scm (pitches),
- ly_quote_scm (gh_cons (inversion, bass)),
- SCM_UNDEFINED));
-
- return dynamic_cast<Chord_name*> (sc)->
- ly_text2molecule (text).create_scheme ();
-}
-
-Chord_name::Chord_name (SCM s)
- : Item (s)
-{
-}
+ /* properties */
+ "begin-of-line-visible "
+ );
projects / lilypond.git / blobdiff