/*
- notehead.cc -- implement Note_head
+ This file is part of LilyPond, the GNU music typesetter.
- source file of the GNU LilyPond music typesetter
+ Copyright (C) 1997--2015 Han-Wen Nienhuys <hanwen@xs4all.nl>
- (c) 1997--1998 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ 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.
+
+ 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/>.
*/
-#include "misc.hh"
-#include "dots.hh"
#include "note-head.hh"
-#include "debug.hh"
-#include "paper-def.hh"
-#include "lookup.hh"
-#include "molecule.hh"
-#include "musical-request.hh"
+#include <cmath>
+#include <cctype>
+#include <algorithm> // min, max
-Note_head::Note_head ()
-{
- x_dir_ = CENTER;
- staff_size_i_= 8; // UGH
- steps_i_ = 0;
- position_i_ = 0;
- extremal_i_ = 0;
-}
+using namespace std;
+
+#include "directional-element-interface.hh"
+#include "font-interface.hh"
+#include "grob.hh"
+#include "international.hh"
+#include "staff-symbol.hh"
+#include "staff-symbol-referencer.hh"
+#include "warn.hh"
-void
-Note_head::do_pre_processing ()
+static Stencil
+internal_print (Grob *me, string *font_char)
{
- // 8 ball looks the same as 4 ball:
- if (balltype_i_ > 2)
- balltype_i_ = 2;
- if (dots_l_) // move into Rhythmic_head?
- dots_l_->position_i_ = position_i_;
-}
+ string style = robust_symbol2string (me->get_property ("style"), "default");
+
+ string suffix = ::to_string (min (robust_scm2int (me->get_property ("duration-log"), 2), 2));
+ if (style != "default")
+ suffix = robust_scm2string (me->get_property ("glyph-name"), "");
+
+ Font_metric *fm = Font_interface::get_default_font (me);
+
+ string prefix = "noteheads.";
+ string idx_symmetric;
+ string idx_directed;
+ string idx_either = idx_symmetric = prefix + "s";
+ Stencil out = fm->find_by_name (idx_either + suffix);
+ if (out.is_empty ())
+ {
+ Grob *stem = unsmob<Grob> (me->get_object ("stem"));
+ Direction stem_dir = stem ? get_grob_direction (stem) : CENTER;
+
+ if (stem_dir == CENTER)
+ programming_error ("must have stem dir for note head");
+ idx_either = idx_directed = prefix + (stem_dir == UP ? "u" : "d");
+ out = fm->find_by_name (idx_either + suffix);
+ }
+ if (style == "mensural"
+ || style == "neomensural"
+ || style == "petrucci"
+ || style == "baroque"
+ || style == "kievan")
+ {
+ if (!Staff_symbol_referencer::on_line
+ (me,
+ robust_scm2int (me->get_property ("staff-position"), 0)))
+ {
+ Stencil test = fm->find_by_name (idx_either + "r" + suffix);
+ if (!test.is_empty ())
+ {
+ idx_either += "r";
+ out = test;
+ }
+ }
+ }
+ if (style == "kievan"
+ && 3 == robust_scm2int (me->get_property ("duration-log"), 2))
+ {
+ Grob *stem = unsmob<Grob> (me->get_object ("stem"));
+ Grob *beam = unsmob<Grob> (stem->get_object ("beam"));
+ if (beam)
+ out = fm->find_by_name (idx_either + "2kievan");
+ }
-int
-Note_head::compare (Note_head *const &a, Note_head * const &b)
+ idx_either += suffix;
+ if (out.is_empty ())
+ {
+ me->warning (_f ("none of note heads `%s' or `%s' found",
+ idx_symmetric.c_str (), idx_directed.c_str ()));
+ out = Stencil (Box (Interval (0, 0), Interval (0, 0)), SCM_EOL);
+ }
+ else
+ *font_char = idx_either;
+
+ return out;
+}
+
+/*
+ TODO: make stem X-parent of notehead.
+ */
+MAKE_SCHEME_CALLBACK (Note_head, stem_x_shift, 1);
+SCM
+Note_head::stem_x_shift (SCM smob)
{
- return a->position_i_ - b->position_i_;
+ Grob *me = unsmob<Grob> (smob);
+ Grob *stem = unsmob<Grob> (me->get_object ("stem"));
+ if (stem)
+ (void) stem->get_property ("positioning-done");
+
+ return scm_from_int (0);
}
-Interval
-Note_head::do_width () const
+MAKE_SCHEME_CALLBACK (Note_head, print, 1);
+SCM
+Note_head::print (SCM smob)
{
- Atom a = lookup_l ()->ball (balltype_i_);
- Interval i = a.dim_[X_AXIS];
- i+= x_dir_ * i.length ();
- return i;
+ Grob *me = unsmob<Grob> (smob);
+
+ string idx;
+ return internal_print (me, &idx).smobbed_copy ();
}
-Molecule*
-Note_head::do_brew_molecule_p() const
+MAKE_SCHEME_CALLBACK (Note_head, include_ledger_line_height, 1);
+SCM
+Note_head::include_ledger_line_height (SCM smob)
{
- Molecule*out = 0;
- Paper_def *p = paper();
- Real inter_f = p->internote_f ();
-
- // ugh
- int streepjes_i = abs (position_i_) < staff_size_i_/2
- ? 0
- : (abs(position_i_) - staff_size_i_/2) /2;
-
- //Atom s = lookup_l()->ball (balltype_i_);
-
- Atom s; // = lookup_l()->ball (balltype_i_);
-
- if (note_head_type_str_.length_i ()) {
- if (note_head_type_str_ == "normal")
- note_head_type_str_ = "";
- s = lookup_l()->special_ball (balltype_i_, note_head_type_str_);
+ Grob *me = unsmob<Grob> (smob);
+ Grob *staff = Staff_symbol_referencer::get_staff_symbol (me);
+
+ if (staff)
+ {
+ Real ss = Staff_symbol::staff_space (staff);
+ Interval lines = Staff_symbol::line_span (staff) * (ss / 2.0);
+ Real my_pos = Staff_symbol_referencer::get_position (me) * ss / 2.0;
+ Interval my_ext = me->extent (me, Y_AXIS) + my_pos;
+
+ // The +1 and -1 come from the fact that we only want to add
+ // the interval between the note and the first ledger line, not
+ // the whole interval between the note and the staff.
+ Interval iv (min (0.0, lines[UP] - my_ext[DOWN] + 1),
+ max (0.0, lines[DOWN] - my_ext[UP] - 1));
+ return ly_interval2scm (iv);
}
- else
- s = lookup_l()->ball (balltype_i_);
- out = new Molecule (Atom (s));
- out->translate_axis (x_dir_ * s.dim_[X_AXIS].length (), X_AXIS);
+ return ly_interval2scm (Interval (0, 0));
+}
- //out = new Molecule (Atom (s));
- //out->translate_axis (x_dir_ * s.dim_[X_AXIS].length (), X_AXIS);
+Real
+Note_head::stem_attachment_coordinate (Grob *me, Axis a)
+{
+ Offset off = robust_scm2offset (me->get_property ("stem-attachment"),
+ Offset (0, 0));
+
+ return off [a];
+}
- if (streepjes_i)
+Offset
+Note_head::get_stem_attachment (Font_metric *fm, const string &key)
+{
+ Offset att;
+
+ int k = fm->name_to_index (key);
+ if (k >= 0)
{
- int dir = sign (position_i_);
- Atom streepje = lookup_l ()->streepje (balltype_i_);
-
- int parity = (position_i_ % 2) ? 1 : 0;
-
-
- for (int i=0; i < streepjes_i; i++)
- {
- Atom s = streepje;
- s.translate_axis (-dir * inter_f * (i*2 + parity),
- Y_AXIS);
- out->add_atom (s);
- }
+ Box b = fm->get_indexed_char_dimensions (k);
+ Offset wxwy = fm->attachment_point (key);
+ for (int i = X_AXIS; i < NO_AXES; i++)
+ {
+ Axis a = Axis (i);
+
+ Interval v = b[a];
+ if (!v.is_empty ())
+ {
+ att[a] = (2 * (wxwy[a] - v.center ()) / v.length ());
+ }
+ }
}
-
- out->translate_axis (inter_f*position_i_, Y_AXIS);
- return out;
+
+ return att;
+}
+
+MAKE_SCHEME_CALLBACK (Note_head, calc_stem_attachment, 1);
+SCM
+Note_head::calc_stem_attachment (SCM smob)
+{
+ Grob *me = unsmob<Grob> (smob);
+ Font_metric *fm = Font_interface::get_default_font (me);
+ string key;
+ internal_print (me, &key);
+
+ return ly_offset2scm (get_stem_attachment (fm, key));
}
+
+ADD_INTERFACE (Note_head,
+ "A note head. There are many possible values for"
+ " @code{style}. For a complete list, see"
+ " @ruser{Note head styles}.",
+
+ /* properties */
+ "duration-log "
+ "note-names "
+ "accidental-grob "
+ "ignore-ambitus "
+ "glyph-name "
+ "stem-attachment "
+ "style "
+ "ledger-positions "
+ );
+
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