X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Ftiming-translator.cc;h=8581d2afd1a994c494543cbfaf4d936366dd8178;hb=72bb8243c0af0d8376bdf1417d0159f6009cd91b;hp=a5cf4adb3f6441d6efe2f9572a330595359de2d4;hpb=75eebcb49e52d296b1da3e1074e0825d2c780db4;p=lilypond.git diff --git a/lily/timing-translator.cc b/lily/timing-translator.cc index a5cf4adb3f..8581d2afd1 100644 --- a/lily/timing-translator.cc +++ b/lily/timing-translator.cc @@ -1,10 +1,20 @@ /* - timing-translator.cc -- implement Timing_translator + This file is part of LilyPond, the GNU music typesetter. + Copyright (C) 1997--2010 Han-Wen Nienhuys - source file of the GNU LilyPond music typesetter + 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. - (c) 1997--2006 Han-Wen Nienhuys + 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 "timing-translator.hh" @@ -12,7 +22,6 @@ #include "warn.hh" #include "translator-group.hh" #include "global-context.hh" -#include "multi-measure-rest.hh" void Timing_translator::stop_translation_timestep () @@ -25,13 +34,12 @@ Timing_translator::stop_translation_timestep () Moment barleft = (measure_length () - measure_position (context ())); Moment now = now_mom (); - if (barleft > Moment (0) - /* - Hmm. We insert the bar moment every time we process a - moment. A waste of cpu? - */ - && !now.grace_part_) - global->add_moment_to_process (now + barleft); + if (barleft > Moment (0)) + { + Moment nextmom = now + barleft; + nextmom.grace_part_ = Rational (0); + global->add_moment_to_process (nextmom); + } } } @@ -40,6 +48,7 @@ Timing_translator::initialize () { context ()->add_alias (ly_symbol2scm ("Timing")); context ()->set_property ("currentBarNumber", scm_from_int (1)); + context ()->set_property ("internalBarNumber", scm_from_int (1)); context ()->set_property ("timeSignatureFraction", scm_cons (scm_from_int (4), scm_from_int (4))); @@ -49,7 +58,7 @@ Timing_translator::initialize () */ context ()->set_property ("measureLength", Moment (Rational (1)).smobbed_copy ()); - context ()->set_property ("beatLength", + context ()->set_property ("baseMoment", Moment (Rational (1, 4)).smobbed_copy ()); } @@ -102,10 +111,8 @@ Timing_translator::start_translation_timestep () measposp += dt; - SCM barn = get_property ("currentBarNumber"); - int b = 0; - if (scm_is_number (barn)) - b = scm_to_int (barn); + int current_barnumber = robust_scm2int (get_property ("currentBarNumber"), 0); + int internal_barnumber = robust_scm2int (get_property ("internalBarNumber"), 0); SCM cad = get_property ("timing"); bool c = to_boolean (cad); @@ -114,22 +121,39 @@ Timing_translator::start_translation_timestep () while (c && measposp.main_part_ >= len) { measposp.main_part_ -= len; - b++; + current_barnumber ++; + internal_barnumber ++; } - context ()->set_property ("currentBarNumber", scm_from_int (b)); + context ()->set_property ("currentBarNumber", scm_from_int (current_barnumber)); + context ()->set_property ("internalBarNumber", scm_from_int (internal_barnumber)); context ()->set_property ("measurePosition", measposp.smobbed_copy ()); } #include "translator.icc" ADD_TRANSLATOR (Timing_translator, - "This engraver adds the alias " - "@code{Timing} to its containing context." - "Responsible for synchronizing timing information from staves. " - "Normally in @code{Score}. In order to create polyrhythmic music, " - "this engraver should be removed from @code{Score} and placed in " - "@code{Staff}. " - "\n\nThis engraver adds the alias @code{Timing} to its containing context.", - - "", "", "", ""); + /* doc */ + "This engraver adds the alias @code{Timing} to its containing" + " context. Responsible for synchronizing timing information" + " from staves. Normally in @code{Score}. In order to create" + " polyrhythmic music, this engraver should be removed from" + " @code{Score} and placed in @code{Staff}.", + + /* create */ + "", + + /* read */ + "internalBarNumber " + "currentBarNumber " + "measureLength " + "measurePosition ", + + /* write */ + "baseMoment " + "currentBarNumber " + "internalBarNumber " + "measureLength " + "measurePosition " + "timeSignatureFraction " + );