X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fnote-head.cc;h=73a2255d9040a91199e994cf05c2fe0e6f9a74b5;hb=4d405ef96a8a62771d7d9a283ff5369a772e89d8;hp=4f8934ab376d463608241169ba969e9adaee7650;hpb=b0064942493df77833e6e41e05d362850f4874b0;p=lilypond.git diff --git a/lily/note-head.cc b/lily/note-head.cc index 4f8934ab37..73a2255d90 100644 --- a/lily/note-head.cc +++ b/lily/note-head.cc @@ -1,128 +1,216 @@ /* - 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 - (c) 1997--2000 Han-Wen Nienhuys + 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 . */ -#include "misc.hh" -#include "dots.hh" #include "note-head.hh" -#include "debug.hh" -#include "lookup.hh" -#include "molecule.hh" -#include "musical-request.hh" -#include "dimension-cache.hh" -#include "staff-symbol-referencer.hh" +#include +#include +#include // min, max +using namespace std; -/* - build a ledger line for small pieces. - */ -Molecule -Note_head::ledger_line (Interval xwid) const +#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" + +static Stencil +internal_print (Grob *me, string *font_char) { - Drul_array endings; - endings[LEFT] = lookup_l()->afm_find ("noteheads-ledgerending"); - Molecule *e = &endings[LEFT]; - endings[RIGHT] = *e; - - Real thick = e->extent (Y_AXIS).length(); - Real len = e->extent (X_AXIS).length () - thick; - - Molecule total; - Direction d = LEFT; - do { - endings[d].translate_axis (xwid[d] - endings[d].extent (X_AXIS)[d], X_AXIS); - total.add_molecule (endings[d]); - } while ((flip(&d)) != LEFT); - - Real xpos = xwid [LEFT] + len; - - while (xpos + len + thick /2 <= xwid[RIGHT]) + 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 ()) { - e->translate_axis (len, X_AXIS); - total.add_molecule (*e); - xpos += len; + Grob *stem = unsmob (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); } - return total; -} + 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 (me->get_object ("stem")); + Grob *beam = unsmob (stem->get_object ("beam")); + if (beam) + out = fm->find_by_name (idx_either + "2kievan"); + } -void -Note_head::before_line_breaking () -{ - // 8 ball looks the same as 4 ball: - - if (balltype_i () > 2) - set_elt_property ("duration-log", gh_int2scm (2)); - - if (Dots *d = dots_l ()) - { // move into Rhythmic_head? - Staff_symbol_referencer_interface si (d); - Staff_symbol_referencer_interface me (this); - - si.set_position(int (me.position_f ())); + 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) +{ + Grob *me = unsmob (smob); + Grob *stem = unsmob (me->get_object ("stem")); + if (stem) + (void) stem->get_property ("positioning-done"); + + return scm_from_int (0); +} +MAKE_SCHEME_CALLBACK (Note_head, print, 1); +SCM +Note_head::print (SCM smob) +{ + Grob *me = unsmob (smob); -MAKE_SCHEME_SCORE_ELEMENT_CALLBACKS(Note_head); + string idx; + return internal_print (me, &idx).smobbed_copy (); +} -Molecule -Note_head::do_brew_molecule() const +MAKE_SCHEME_CALLBACK (Note_head, include_ledger_line_height, 1); +SCM +Note_head::include_ledger_line_height (SCM smob) { - Staff_symbol_referencer_interface si (this); - - Real inter_f = si.staff_space ()/2; - int sz = si.line_count ()-1; - Real p = si.position_f (); - int streepjes_i = abs (p) < sz - ? 0 - : (abs((int)p) - sz) /2; - - SCM style = get_elt_property ("style"); - if (style == SCM_UNDEFINED) + Grob *me = unsmob (smob); + Grob *staff = Staff_symbol_referencer::get_staff_symbol (me); + + if (staff) { - style = ly_symbol2scm("default"); + 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); } - - Molecule out = lookup_l()->afm_find (String ("noteheads-") + - ly_scm2string (scm_eval (gh_list (ly_symbol2scm("find-notehead-symbol"), - gh_int2scm(balltype_i ()), - ly_quote_scm(style), - SCM_UNDEFINED)))); - - if (streepjes_i) + + return ly_interval2scm (Interval (0, 0)); +} + +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]; +} + +Offset +Note_head::get_stem_attachment (Font_metric *fm, const string &key) +{ + Offset att; + + int k = fm->name_to_index (key); + if (k >= 0) { - Direction dir = (Direction)sign (p); - Interval hd = out.extent (X_AXIS); - Real hw = hd.length ()/4; - Molecule ledger (ledger_line (Interval (hd[LEFT] - hw, - hd[RIGHT] + hw))); - - - ledger.set_empty (true); - int parity = abs(int (p)) % 2; - - for (int i=0; i < streepjes_i; i++) - { - Molecule s (ledger); - s.translate_axis (-dir * inter_f * (i*2 + parity), - Y_AXIS); - out.add_molecule (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 ()); + } + } } - return out; -} + return att; +} -Note_head::Note_head (SCM s) - : Rhythmic_head (s) +MAKE_SCHEME_CALLBACK (Note_head, calc_stem_attachment, 1); +SCM +Note_head::calc_stem_attachment (SCM smob) { - + Grob *me = unsmob (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 " + ); +