X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fnote-head.cc;h=aeb7b4a19bd395bb730178820fcf5c8d150127df;hb=17345fe2a78e71cebd3252f877f4f30bca6bb1b9;hp=0ccd6dd9811750dbca42c0d467e4f506a5384bff;hpb=ea7676140da4a5b2365cef159ed65572bfa54cae;p=lilypond.git diff --git a/lily/note-head.cc b/lily/note-head.cc index 0ccd6dd981..aeb7b4a19b 100644 --- a/lily/note-head.cc +++ b/lily/note-head.cc @@ -1,133 +1,195 @@ /* - 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--2011 Han-Wen Nienhuys - (c) 1997--2001 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 -#include "misc.hh" -#include "dots.hh" #include "note-head.hh" -#include "debug.hh" -#include "font-interface.hh" -#include "molecule.hh" -#include "musical-request.hh" +#include +#include +#include // min, max + +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" -/* - build a ledger line for small pieces. - */ -Molecule -Note_head::ledger_line (Interval xwid, Grob *me) +static Stencil +internal_print (Grob *me, string *font_char) { - Drul_array endings; - endings[LEFT] = Font_interface::get_default_font (me)->find_by_name ("noteheads-ledgerending"); - Molecule *e = &endings[LEFT]; - endings[RIGHT] = *e; - - Real thick = e->extent (Y_AXIS).length(); - Real len = e->extent (X_AXIS).length () - thick; + SCM style = me->get_property ("style"); + if (!scm_is_symbol (style)) + style = ly_symbol2scm ("default"); - 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); + string suffix = to_string (min (robust_scm2int (me->get_property ("duration-log"), 2), 2)); + if (style != ly_symbol2scm ("default")) + { + SCM gn = me->get_property ("glyph-name"); + if (scm_is_string (gn)) + suffix = ly_scm2string (gn); + } - Real xpos = xwid [LEFT] + len; + Font_metric *fm = Font_interface::get_default_font (me); - while (xpos + len + thick /2 <= xwid[RIGHT]) + string idx_symmetric; + string idx_directed; + string idx_either; + idx_symmetric = idx_either = "noteheads.s" + suffix; + Stencil out = fm->find_by_name (idx_symmetric); + if (out.is_empty ()) { - e->translate_axis (len, X_AXIS); - total.add_molecule (*e); - xpos += len; + string prefix = "noteheads."; + + 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_directed = idx_either = + prefix + ((stem_dir == UP) ? "u" : "d") + suffix; + out = fm->find_by_name (idx_directed); + } + + + 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 total; + 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_grob (smob); + Grob *stem = unsmob_grob (me->get_object ("stem")); + if (stem) + (void) stem->get_property ("positioning-done"); -MAKE_SCHEME_CALLBACK(Note_head,brew_molecule,1); + return scm_from_int (0); +} +MAKE_SCHEME_CALLBACK (Note_head, print, 1); SCM -Note_head::brew_molecule (SCM smob) +Note_head::print (SCM smob) { Grob *me = unsmob_grob (smob); - - Real inter_f = Staff_symbol_referencer::staff_space (me)/2; - int sz = Staff_symbol_referencer::line_count (me)-1; - int p = (int) rint (Staff_symbol_referencer::position_f (me)); - int streepjes_i = abs (p) < sz - ? 0 - : (abs(p) - sz) /2; - - SCM style = me->get_grob_property ("style"); - if (!gh_symbol_p (style)) - { - return SCM_EOL; - } + string idx; + return internal_print (me, &idx).smobbed_copy (); +} - // ugh: use gh_call () - Molecule out = Font_interface::get_default_font (me)->find_by_name (String ("noteheads-") + - ly_scm2string (scm_eval2 (gh_list (ly_symbol2scm("find-notehead-symbol"), - me->get_grob_property ("duration-log"), - ly_quote_scm(style), - SCM_UNDEFINED), - SCM_EOL))); +MAKE_SCHEME_CALLBACK (Note_head, include_ledger_line_height, 1); +SCM +Note_head::include_ledger_line_height (SCM smob) +{ + Grob *me = unsmob_grob (smob); + Grob *staff = Staff_symbol_referencer::get_staff_symbol (me); - if (streepjes_i) + if (staff) { - 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), me)); - + 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); + } + + return ly_interval2scm (Interval (0, 0)); +} - ledger.set_empty (true); - Real offs = (Staff_symbol_referencer::on_staffline (me)) - ? 0.0 - : -dir * inter_f; +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]; +} - for (int i=0; i < streepjes_i; i++) +Offset +Note_head::get_stem_attachment (Font_metric *fm, string key) +{ + Offset att; + + int k = fm->name_to_index (key); + if (k >= 0) + { + Box b = fm->get_indexed_char_dimensions (k); + Offset wxwy = fm->attachment_point (key); + for (int i = X_AXIS ; i < NO_AXES; i++) { - Molecule s (ledger); - s.translate_axis (-dir * inter_f * i*2 + offs, - Y_AXIS); - out.add_molecule (s); + Axis a = Axis (i); + + Interval v = b[a]; + if (!v.is_empty ()) + { + att[a] = (2 * (wxwy[a] - v.center ()) / v.length ()); + } } } - return out.smobbed_copy(); + + return att; } -bool -Note_head::has_interface (Grob*m) +MAKE_SCHEME_CALLBACK (Note_head, calc_stem_attachment, 1); +SCM +Note_head::calc_stem_attachment (SCM smob) { - return m&& m->has_interface (ly_symbol2scm ("note-head-interface")); + 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)); } -MAKE_SCHEME_CALLBACK(Note_head,brew_ez_molecule,1); +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 */ + "note-names " + "accidental-grob " + "glyph-name " + "stem-attachment " + "style " + ); -SCM -Note_head::brew_ez_molecule (SCM smob) -{ - Grob *me = unsmob_grob (smob); - int l = gh_scm2int (me->get_grob_property ("duration-log")); - - int b = (l >= 2); - SCM at = gh_list (ly_symbol2scm ("ez-ball"), - me->get_grob_property ("note-character"), - gh_int2scm (b), - gh_int2scm (1-b), - SCM_UNDEFINED); - Box bx (Interval (0, 1.0), Interval (-0.5, 0.5)); - Molecule m (bx, at); - - return m.smobbed_copy (); -}