X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fmulti-measure-rest.cc;h=38dd598ee95d329be323342eeddb4da4817b946b;hb=a6a51abfd0195a3cf7d6ea095cf69808852f21ce;hp=42078d9b40f75996b7013b99ea53e9d0043de52d;hpb=59d0cc762d47ad9e1ae46620215a5c4f943be4c9;p=lilypond.git diff --git a/lily/multi-measure-rest.cc b/lily/multi-measure-rest.cc index 42078d9b40..38dd598ee9 100644 --- a/lily/multi-measure-rest.cc +++ b/lily/multi-measure-rest.cc @@ -1,7 +1,7 @@ /* This file is part of LilyPond, the GNU music typesetter. - Copyright (C) 1998--2009 Jan Nieuwenhuizen + Copyright (C) 1998--2015 Jan Nieuwenhuizen LilyPond is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -19,34 +19,41 @@ #include "multi-measure-rest.hh" -#include "warn.hh" +#include "directional-element-interface.hh" +#include "font-interface.hh" +#include "international.hh" +#include "lookup.hh" +#include "misc.hh" +#include "moment.hh" #include "output-def.hh" #include "paper-column.hh" // urg -#include "font-interface.hh" +#include "percent-repeat-item.hh" #include "rest.hh" -#include "misc.hh" +#include "separation-item.hh" +#include "spacing-options.hh" #include "spanner.hh" +#include "staff-symbol.hh" #include "staff-symbol-referencer.hh" #include "system.hh" #include "text-interface.hh" -#include "percent-repeat-item.hh" -#include "lookup.hh" -#include "separation-item.hh" +#include "warn.hh" Interval Multi_measure_rest::bar_width (Spanner *me) { + SCM spacing_pair = me->get_property ("spacing-pair"); Interval iv; - Direction d = LEFT; - do + for (LEFT_and_RIGHT (d)) { Item *col = me->get_bound (d)->get_column (); - - Interval coldim = Paper_column::break_align_width (col); + SCM align_sym + = (scm_is_pair (spacing_pair) + ? index_get_cell (spacing_pair, d) + : ly_symbol2scm ("staff-bar")); + Interval coldim = Paper_column::break_align_width (col, align_sym); iv[d] = coldim[-d]; } - while ((flip (&d)) != LEFT); return iv; } @@ -55,15 +62,16 @@ MAKE_SCHEME_CALLBACK (Multi_measure_rest, percent, 1); SCM Multi_measure_rest::percent (SCM smob) { - Grob *me = unsmob_grob (smob); + Grob *me = unsmob (smob); Spanner *sp = dynamic_cast (me); Stencil r = Percent_repeat_item_interface::x_percent (me, 1); + r.translate_axis (-r.extent (X_AXIS).center (), X_AXIS); // ugh copy & paste. Grob *common_x = sp->get_bound (LEFT)->common_refpoint (sp->get_bound (RIGHT), - X_AXIS); + X_AXIS); Interval sp_iv = bar_width (sp); Real x_off = 0.0; @@ -88,7 +96,7 @@ MAKE_SCHEME_CALLBACK (Multi_measure_rest, print, 1); SCM Multi_measure_rest::print (SCM smob) { - Grob *me = unsmob_grob (smob); + Grob *me = unsmob (smob); Spanner *sp = dynamic_cast (me); Interval sp_iv = bar_width (sp); @@ -104,27 +112,104 @@ Multi_measure_rest::print (SCM smob) Stencil mol; mol.add_stencil (symbol_stencil (me, space)); - int measures = 0; - SCM m (me->get_property ("measure-count")); - if (scm_is_number (m)) - measures = scm_to_int (m); - mol.translate_axis (x_off, X_AXIS); return mol.smobbed_copy (); } +MAKE_SCHEME_CALLBACK (Multi_measure_rest, height, 1); +SCM +Multi_measure_rest::height (SCM smob) +{ + Grob *me = unsmob (smob); + + Real space = 1000000; // something very large... + + Stencil mol; + mol.add_stencil (symbol_stencil (me, space)); + + return ly_interval2scm (mol.extent (Y_AXIS)); +} + +int +calc_closest_duration_log (Grob *me, double duration, bool force_round_up) +{ + bool round_up = force_round_up + || to_boolean (me->get_property ("round-up-to-longer-rest")); + int closest_usable_duration_log; + + // Out of range initial values. + if (round_up) + closest_usable_duration_log = -15; // high value + else + closest_usable_duration_log = 15; // low value + int minimum_usable_duration_log = -15; + int maximum_usable_duration_log = 15; + + SCM duration_logs_list = me->get_property ("usable-duration-logs"); + if (to_boolean (scm_null_p (duration_logs_list)) + || !to_boolean (scm_list_p (duration_logs_list))) + { + warning (_ ("usable-duration-logs must be a non-empty list." + " Falling back to whole rests.")); + closest_usable_duration_log = 0; + } + else + { + for (SCM s = duration_logs_list; scm_is_pair (s); s = scm_cdr (s)) + { + int dur_log = scm_to_int (scm_car (s)); + if (dur_log > minimum_usable_duration_log) + minimum_usable_duration_log = dur_log; + if (dur_log < maximum_usable_duration_log) + maximum_usable_duration_log = dur_log; + double dur = pow (2.0, -dur_log); + if (round_up) + { + if (duration <= dur && dur_log > closest_usable_duration_log) + closest_usable_duration_log = dur_log; + } + else + { + if (duration >= dur && dur_log < closest_usable_duration_log) + closest_usable_duration_log = dur_log; + } + } + } + + if (closest_usable_duration_log == 15) + closest_usable_duration_log = minimum_usable_duration_log; + if (closest_usable_duration_log == -15) + closest_usable_duration_log = maximum_usable_duration_log; + + return closest_usable_duration_log; +} + +int +calc_measure_duration_log (Grob *me) +{ + SCM sml = dynamic_cast (me)->get_bound (LEFT) + ->get_property ("measure-length"); + Rational ml = (unsmob (sml)) ? unsmob (sml)->main_part_ + : Rational (1); + double measure_duration = ml.Rational::to_double (); + bool force_round_up = to_boolean (scm_list_p (scm_member (scm_cons (scm_from_int64 (ml.numerator ()), + scm_from_int64 (ml.denominator ())), + me->get_property ("round-up-exceptions")))); + return calc_closest_duration_log (me, measure_duration, force_round_up); +} + Stencil Multi_measure_rest::symbol_stencil (Grob *me, Real space) { - int measures = 0; + int measure_count = 0; SCM m (me->get_property ("measure-count")); if (scm_is_number (m)) - measures = scm_to_int (m); - if (measures <= 0) + measure_count = scm_to_int (m); + if (measure_count <= 0) return Stencil (); SCM limit = me->get_property ("expand-limit"); - if (measures > scm_to_int (limit)) + if (measure_count > scm_to_int (limit)) { Real padding = 0.15; Stencil s = big_rest (me, (1.0 - 2 * padding) * space); @@ -132,38 +217,25 @@ Multi_measure_rest::symbol_stencil (Grob *me, Real space) return s; } - Real staff_space = Staff_symbol_referencer::staff_space (me); - Font_metric *musfont = Font_interface::get_default_font (me); + int mdl = calc_measure_duration_log (me); - SCM sml = me->get_property ("use-breve-rest"); - if (measures == 1) + if (measure_count == 1) { - if (to_boolean (sml)) - { - Stencil s = musfont->find_by_name (Rest::glyph_name (me, -1, "", false)); + if (scm_is_null (me->get_property ("staff-position"))) + { + int dir = get_grob_direction (me); + Real pos = Rest::staff_position_internal (me, mdl, dir); + me->set_property ("staff-position", scm_from_double (pos)); + } - s.translate_axis ((space - s.extent (X_AXIS).length ()) / 2, X_AXIS); + Stencil s = musfont->find_by_name (Rest::glyph_name (me, mdl, "", true, 0.0)); - return s; - } - else - { - Stencil s = musfont->find_by_name (Rest::glyph_name (me, 0, "", true)); - - /* - ugh. - */ - if (Staff_symbol_referencer::get_position (me) == 0.0) - s.translate_axis (staff_space, Y_AXIS); - - s.translate_axis ((space - s.extent (X_AXIS).length ()) / 2, X_AXIS); - - return s; - } + s.translate_axis ((space - s.extent (X_AXIS).length ()) / 2, X_AXIS); + return s; } else - return church_rest (me, musfont, measures, space); + return church_rest (me, musfont, measure_count, space); } /* @@ -198,82 +270,77 @@ Multi_measure_rest::big_rest (Grob *me, Real width) Kirchenpause (?) */ Stencil -Multi_measure_rest::church_rest (Grob *me, Font_metric *musfont, int measures, - Real space) +Multi_measure_rest::church_rest (Grob *me, Font_metric *musfont, int measure_count, + Real space) { SCM mols = SCM_EOL; - - /* See Wanske pp. 125 */ - int l = measures; - int count = 0; + int symbol_count = 0; Real symbols_width = 0.0; + double total_duration = measure_count * pow (2.0, -calc_measure_duration_log (me)); + + SCM staff_position = me->get_property ("staff-position"); - bool use_breve = to_boolean (me->get_property ("use-breve-rest")); + if (!scm_is_number (staff_position)) + { + // Staff position is somewhat icky regarding its definition for + // compatibility reasons. It is intended to be the baseline of + // a breve rest. However, when the staff space is more than + // single space (like with tablature), it looks better if all + // rests are actually hanging. So staff position, in reality, + // is the semi-breve position - 2. Everything else is + // calculated from there. + int dir = get_grob_direction (me); + Real pos = Rest::staff_position_internal (me, 0, dir); + me->set_property ("staff-position", scm_from_double (pos - 2)); + } - while (l) + while (total_duration > 0) { - if (use_breve) - { - int k; - if (l >= 2) - { - l -= 2; - k = -2; - } - else - { - l -= 1; - k = -1; - } - - Stencil r (musfont->find_by_name ("rests." + to_string (k))); - symbols_width += r.extent (X_AXIS).length (); - mols = scm_cons (r.smobbed_copy (), mols); - } + int dl = calc_closest_duration_log (me, total_duration, false); + double duration = pow (2.0, -dl); + + total_duration -= duration; + + Stencil r = musfont->find_by_name (Rest::glyph_name (me, dl, "", true, 2)); + + Real staff_space = Staff_symbol_referencer::staff_space (me); + if (dl == 0) + { + r.translate_axis (staff_space, Y_AXIS); + } else - { - int k; - if (l >= 4) - { - l -= 4; - k = -2; - } - else if (l >= 2) - { - l -= 2; - k = -1; - } - else - { - k = 0; - l--; - } - - Stencil r (musfont->find_by_name ("rests." + to_string (k))); - if (k == 0) - { - Real staff_space = Staff_symbol_referencer::staff_space (me); - r.translate_axis (staff_space, Y_AXIS); - } - symbols_width += r.extent (X_AXIS).length (); - mols = scm_cons (r.smobbed_copy (), mols); - } - count++; + { + r.translate_axis (staff_space-r.extent (Y_AXIS).at (UP), Y_AXIS); + } + symbols_width += r.extent (X_AXIS).length (); + mols = scm_cons (r.smobbed_copy (), mols); + symbol_count++; } - /* Make outer padding this much bigger. */ + /* + When symbols spread to fullest extent, outer padding is this much + bigger. + */ Real outer_padding_factor = 1.5; + /* Widest gap between symbols; to be limited by max-symbol-separation */ Real inner_padding = (space - symbols_width) - / (2 * outer_padding_factor + (count - 1)); + / (2 * outer_padding_factor + (symbol_count - 1)); if (inner_padding < 0) inner_padding = 1.0; + Real max_separation = max (robust_scm2double (me->get_property ("max-symbol-separation"), 8.0), + 1.0); + + inner_padding = min (inner_padding, max_separation); + Real left_offset = (space - symbols_width - (inner_padding * (symbol_count - 1))) + / 2; + Stencil mol; for (SCM s = mols; scm_is_pair (s); s = scm_cdr (s)) - mol.add_at_edge (X_AXIS, LEFT, *unsmob_stencil (scm_car (s)), - inner_padding); + mol.add_at_edge (X_AXIS, LEFT, *unsmob (scm_car (s)), + inner_padding); mol.align_to (X_AXIS, LEFT); - mol.translate_axis (outer_padding_factor * inner_padding, X_AXIS); + mol.translate_axis (left_offset, X_AXIS); return mol; } @@ -291,7 +358,7 @@ Multi_measure_rest::calculate_spacing_rods (Grob *me, Real length) if (! (sp->get_bound (LEFT) && sp->get_bound (RIGHT))) { programming_error ("Multi_measure_rest::get_rods (): I am not spanned!"); - return ; + return; } Item *li = sp->get_bound (LEFT)->get_column (); @@ -299,10 +366,30 @@ Multi_measure_rest::calculate_spacing_rods (Grob *me, Real length) Item *lb = li->find_prebroken_piece (RIGHT); Item *rb = ri->find_prebroken_piece (LEFT); + Grob *spacing = unsmob (li->get_object ("spacing")); + if (!spacing) + spacing = unsmob (ri->get_object ("spacing")); + if (spacing) + { + Spacing_options options; + options.init_from_grob (me); + Moment mlen = robust_scm2moment (li->get_property ("measure-length"), + Moment (1)); + length += robust_scm2double (li->get_property ("full-measure-extra-space"), 0.0) + + options.get_duration_space (mlen.main_part_) + + (robust_scm2double (me->get_property ("space-increment"), 0.0) + * log_2 (robust_scm2int (me->get_property ("measure-count"), 1))); + } + + length += 2 * robust_scm2double (me->get_property ("bound-padding"), 0.0); + + Real minlen = robust_scm2double (me->get_property ("minimum-length"), 0.0); + Item *combinations[4][2] = {{li, ri}, - {lb, ri}, - {li, rb}, - {lb, rb}}; + {lb, ri}, + {li, rb}, + {lb, rb} + }; for (int i = 0; i < 4; i++) { @@ -310,18 +397,14 @@ Multi_measure_rest::calculate_spacing_rods (Grob *me, Real length) Item *ri = combinations[i][1]; if (!li || !ri) - continue; + continue; Rod rod; rod.item_drul_[LEFT] = li; rod.item_drul_[RIGHT] = ri; - rod.distance_ = Paper_column::minimum_distance (li, ri) - + length - + 2 * robust_scm2double (me->get_property ("bound-padding"), 1.0); - - Real minlen = robust_scm2double (me->get_property ("minimum-length"), 0); - rod.distance_ = max (rod.distance_, minlen); + rod.distance_ = max (Paper_column::minimum_distance (li, ri) + length, + minlen); rod.add_to_cols (); } } @@ -330,39 +413,43 @@ MAKE_SCHEME_CALLBACK (Multi_measure_rest, set_spacing_rods, 1); SCM Multi_measure_rest::set_spacing_rods (SCM smob) { - Grob *me = unsmob_grob (smob); + Grob *me = unsmob (smob); Real sym_width = symbol_stencil (me, 0.0).extent (X_AXIS).length (); calculate_spacing_rods (me, sym_width); - return SCM_UNSPECIFIED; + return SCM_UNSPECIFIED; } - + MAKE_SCHEME_CALLBACK (Multi_measure_rest, set_text_rods, 1); SCM Multi_measure_rest::set_text_rods (SCM smob) { - Grob *me = unsmob_grob (smob); + Grob *me = unsmob (smob); Stencil *stil = me->get_stencil (); /* FIXME uncached */ Real len = (stil && !stil->extent (X_AXIS).is_empty ()) - ? stil->extent (X_AXIS).length () - : 0.0; + ? stil->extent (X_AXIS).length () + : 0.0; calculate_spacing_rods (me, len); return SCM_UNSPECIFIED; } ADD_INTERFACE (Multi_measure_rest, - "A rest that spans a whole number of measures.", - - /* properties */ - "expand-limit " - "measure-count " - "hair-thickness " - "thick-thickness " - "use-breve-rest " - "bound-padding " - "minimum-length " - ); - + "A rest that spans a whole number of measures.", + + /* properties */ + "bound-padding " + "expand-limit " + "hair-thickness " + "max-symbol-separation " + "measure-count " + "minimum-length " + "round-up-exceptions " + "round-up-to-longer-rest " + "space-increment " + "spacing-pair " + "thick-thickness " + "usable-duration-logs " + );