source file of the GNU LilyPond music typesetter
- (c) 1999 Jan Nieuwenhuizen <janneke@gnu.org>
+ (c) 1999--2008 Jan Nieuwenhuizen <janneke@gnu.org>
*/
#include "chord-name.hh"
-#include "musical-request.hh"
-#include "warn.hh"
-#include "debug.hh"
-#include "molecule.hh"
-#include "paper-def.hh"
-#include "lookup.hh"
-SCM
-to_scm (Musical_pitch p)
-{
- return gh_list (gh_int2scm (p.notename_i_), gh_int2scm (p.accidental_i_), gh_int2scm (p.octave_i_), SCM_UNDEFINED);
-}
-
-Musical_pitch
-from_scm (SCM s)
-{
- return Musical_pitch (gh_scm2int (gh_car (s)),
- gh_scm2int (gh_cadr (s)),
- gh_scm2int (gh_caddr (s)));
-}
-
-template<class T>SCM
-array_to_scm (Array<T> arr)
-{
- SCM list = SCM_EOL;
- for (int i = arr.size (); i--;)
- list = gh_cons (to_scm (arr[i]), list);
- return list;
-}
-
-/*
- Silly templates
- Array<T> scm_to_array (SCM s)
- */
-template<class T>void
-scm_to_array (SCM s, Array<T>* arr)
-{
- for (; gh_pair_p (s); s= gh_cdr (s))
- arr->push (from_scm (gh_car (s)));
-}
-
-/*
- ugh, move to chord-name-engraver
-
- Hmm, why not represent complete chord as list?
- ((tonic third fifth) (inversion bass))
- */
-void
-Chord_name::set (Chord const& c)
-{
- set_elt_property ("pitches", array_to_scm (c.pitch_arr_));
- if (c.inversion_b_)
- set_elt_property ("inversion", to_scm (c.inversion_pitch_));
- if (c.bass_b_)
- set_elt_property ("bass", to_scm (c.bass_pitch_));
-}
+#include "output-def.hh"
+#include "font-interface.hh"
+#include "paper-column.hh"
+#include "system.hh"
+#include "staff-symbol-referencer.hh"
+#include "text-interface.hh"
+MAKE_SCHEME_CALLBACK (Chord_name, after_line_breaking, 1);
SCM
-notename2scm (Musical_pitch p)
-{
- return gh_cons (gh_int2scm (p.notename_i_), gh_int2scm (p.accidental_i_));
-}
-
-/*
- word is roman text or styled text:
- "text"
- ("style" . "text")
- */
-Molecule
-Chord_name::ly_word2molecule (SCM scm) const
-{
- String style;
- if (gh_pair_p (scm))
- {
- style = ly_scm2string (gh_car (scm));
- scm = gh_cdr (scm);
- }
- String text = ly_scm2string (scm);
- return lookup_l ()->text (style, text, paper_l ());
-}
-
-/*
- scm is word or list of words:
- word
- (word word)
- */
-Molecule
-Chord_name::ly_text2molecule (SCM scm) const
-{
- Molecule mol;
- if (gh_list_p (scm))
- {
- while (gh_cdr (scm) != SCM_EOL)
- {
- mol.add_at_edge (X_AXIS, RIGHT,
- ly_word2molecule (gh_car (scm)), 0);
- scm = gh_cdr (scm);
- }
- scm = gh_car (scm);
- }
- mol.add_at_edge (X_AXIS, RIGHT,
- ly_word2molecule (scm), 0);
- return mol;
-}
-
-Molecule
-Chord_name::pitch2molecule (Musical_pitch p) const
-{
- SCM name = scm_eval (gh_list (ly_symbol2scm ("user-pitch-name"), ly_quote_scm (notename2scm (p)), SCM_UNDEFINED));
-
- if (name != SCM_UNSPECIFIED)
- {
- return ly_text2molecule (name);
- }
-
- Molecule mol = lookup_l ()->text ("", p.str ().left_str (1).upper_str (), paper_l ());
-
- /*
- We want the smaller size, even if we're big ourselves.
- */
- if (p.accidental_i_)
- mol.add_at_edge (X_AXIS, RIGHT,
-
- paper_l ()->lookup_l (-2)->afm_find (String ("accidentals-") + to_str (p.accidental_i_)), 0.0);
- return mol;
-}
-
-Musical_pitch
-diff_pitch (Musical_pitch tonic, Musical_pitch p)
+Chord_name::after_line_breaking (SCM smob)
{
- Musical_pitch diff (p.notename_i_ - tonic.notename_i_,
- p.accidental_i_ - tonic.accidental_i_,
- p.octave_i_ - tonic.octave_i_);
-
- while (diff.notename_i_ >= 7)
- {
- diff.notename_i_ -= 7;
- diff.octave_i_ ++;
- }
- while (diff.notename_i_ < 0)
- {
- diff.notename_i_ += 7;
- diff.octave_i_ --;
- }
-
- diff.accidental_i_ -= (tonic.semitone_pitch () + diff.semitone_pitch ())
- - p.semitone_pitch ();
-
- return diff;
-}
-
-bool
-Chord_name::user_chord_name (Array<Musical_pitch> pitch_arr, Chord_mol* name_p) const
-{
- SCM chord = SCM_EOL;
- Array<Musical_pitch> chord_type = pitch_arr;
- Chord::rebuild_transpose (&chord_type, diff_pitch (pitch_arr[0], Musical_pitch (0)), false);
-
- for (int i= chord_type.size (); i--; )
- chord = gh_cons (notename2scm (chord_type[i]), chord);
-
- SCM name = scm_eval (gh_list (ly_symbol2scm ("user-chord-name"), ly_quote_scm (chord), SCM_UNDEFINED));
- if (gh_pair_p (name))
- {
- name_p->modifier_mol = ly_text2molecule (gh_car (name));
- name_p->addition_mol = ly_text2molecule (gh_cdr (name));
- return true;
- }
- return false;
-}
-
-void
-Chord_name::banter (Array<Musical_pitch> pitch_arr, Chord_mol* name_p) const
-{
- Array<Musical_pitch> add_arr;
- Array<Musical_pitch> sub_arr;
- Chord::find_additions_and_subtractions (pitch_arr, &add_arr, &sub_arr);
-
- Array<Musical_pitch> scale;
- for (int i=0; i < 7; i++)
- scale.push (Musical_pitch (i));
-
- Musical_pitch tonic = pitch_arr[0];
- Chord::rebuild_transpose (&scale, tonic, true);
-
- /*
- Does chord include this step? -1 if flat
- */
- int has[16];
- for (int i=0; i<16; i++)
- has[i] = 0;
+ Item *me = unsmob_item (smob);
+ assert (me);
- String mod_str;
- String add_str;
- String sep_str;
- for (int i = 0; i < add_arr.size (); i++)
+ SCM s = me->get_property ("begin-of-line-visible");
+ if (to_boolean (s))
{
- Musical_pitch p = add_arr[i];
- int step = Chord::step_i (tonic, p);
- int accidental = p.accidental_i_ - scale[(step - 1) % 7].accidental_i_;
- if ((step < 16) && (has[step] != -1))
- has[step] = accidental == -1 ? -1 : 1;
- // only from guile table ?
- if ((step == 3) && (accidental == -1))
- {
- mod_str = "m";
- }
- else if (accidental
- || (!(step % 2)
- || ((i == add_arr.size () - 1) && (step > 5))))
- {
- add_str += sep_str;
- sep_str = "/";
- if ((step == 7) && (accidental == 1))
- {
- add_str += "maj7";
- }
- else
- {
- add_str += to_str (step);
- if (accidental)
- add_str += accidental < 0 ? "-" : "+";
- }
- }
- }
-
- for (int i = 0; i < sub_arr.size (); i++)
- {
- Musical_pitch p = sub_arr[i];
- int step = Chord::step_i (tonic, p);
- /*
- if additions include 2 or 4, assume sus2/4 and don't display 'no3'
- */
- if (!((step == 3) && (has[2] || has[4])))
- {
- add_str += sep_str + "no" + to_str (step);
- sep_str = "/";
- }
- }
-
- if (mod_str.length_i ())
- name_p->modifier_mol.add_at_edge (X_AXIS, RIGHT,
- lookup_l ()->text ("roman", mod_str, paper_l ()), 0);
- if (add_str.length_i ())
- {
- if (!name_p->addition_mol.empty_b ())
- add_str = "/" + add_str;
- name_p->addition_mol.add_at_edge (X_AXIS, RIGHT,
- lookup_l ()->text ("script", add_str, paper_l ()), 0);
+ if (me->get_column ()->get_rank ()
+ - me->get_system ()->spanned_rank_interval ()[LEFT] > 1)
+ me->suicide ();
}
+ return SCM_UNSPECIFIED;
}
-/*
- TODO:
- fix silly to-and-fro scm conversions
- */
-Molecule*
-Chord_name::do_brew_molecule_p () const
-{
- Array<Musical_pitch> pitch_arr;
- scm_to_array (get_elt_property ("pitches"), &pitch_arr);
- Musical_pitch tonic = pitch_arr[0];
-
- Chord_mol name;
- name.tonic_mol = pitch2molecule (tonic);
+ADD_INTERFACE (Chord_name,
+ "A chord name.",
- /*
- if user has explicitely listed chord name, use that
-
- TODO
- urg
- maybe we should check all sub-lists of pitches, not
- just full list and base triad?
- */
- if (!user_chord_name (pitch_arr, &name))
- {
- /*
- else, check if user has listed base triad
- use user base name and add banter for remaining part
- */
- if ((pitch_arr.size () > 2)
- && user_chord_name (pitch_arr.slice (0, 3), &name))
- {
- Array<Musical_pitch> base = Chord::base_arr (tonic);
- base.concat (pitch_arr.slice (3, pitch_arr.size ()));
- banter (base, &name);
- }
- /*
- else, use pure banter
- */
- else
- {
- banter (pitch_arr, &name);
- }
- }
-
- SCM s = get_elt_property ("inversion");
- if (s != SCM_UNDEFINED)
- {
- name.inversion_mol = lookup_l ()->text ("", "/", paper_l ());
- Molecule mol = pitch2molecule (from_scm (s));
- name.inversion_mol.add_at_edge (X_AXIS, RIGHT, mol, 0);
- }
-
- s = get_elt_property ("bass");
- if (s != SCM_UNDEFINED)
- {
- name.bass_mol = lookup_l ()->text ("", "/", paper_l ());
- Molecule mol = pitch2molecule (from_scm (s));
- name.bass_mol.add_at_edge (X_AXIS, RIGHT, mol, 0);
- }
-
- // urg, howto get a good superscript_y?
- Real super_y = lookup_l ()->text ("", "x", paper_l ()).dim_.y ().length ()/2;
- if (!name.addition_mol.empty_b ())
- name.addition_mol.translate (Offset (0, super_y));
-
- Molecule* mol_p = new Molecule;
- mol_p->add_at_edge (X_AXIS, RIGHT, name.tonic_mol, 0);
- // huh?
- if (!name.modifier_mol.empty_b ())
- mol_p->add_at_edge (X_AXIS, RIGHT, name.modifier_mol, 0);
- if (!name.addition_mol.empty_b ())
- mol_p->add_at_edge (X_AXIS, RIGHT, name.addition_mol, 0);
- if (!name.inversion_mol.empty_b ())
- mol_p->add_at_edge (X_AXIS, RIGHT, name.inversion_mol, 0);
- if (!name.bass_mol.empty_b ())
- mol_p->add_at_edge (X_AXIS, RIGHT, name.bass_mol, 0);
- return mol_p;
-}
+ /* properties */
+ "begin-of-line-visible "
+ );
projects / lilypond.git / blobdiff