X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fnew-dynamic-engraver.cc;h=497fc0b7f710c145c1b44310e4d9c86618282118;hb=aa8c7a60ad274050c3bc8cc797d6af6eed47bd86;hp=54aa8a8c6df363dca7a4ec59dfd95c0d2967cf53;hpb=cb01be4028886109ecc4772234452965ce7dfb66;p=lilypond.git diff --git a/lily/new-dynamic-engraver.cc b/lily/new-dynamic-engraver.cc index 54aa8a8c6d..497fc0b7f7 100644 --- a/lily/new-dynamic-engraver.cc +++ b/lily/new-dynamic-engraver.cc @@ -1,15 +1,23 @@ -/* - new-dynamic-engraver.cc -- implement New_dynamic_engraver - - source file of the GNU LilyPond music typesetter - - (c) 2008--2009 Han-Wen Nienhuys - -*/ +/* + This file is part of LilyPond, the GNU music typesetter. + Copyright (C) 2008--2010 Han-Wen Nienhuys -#include "engraver.hh" + 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 "engraver.hh" #include "hairpin.hh" #include "international.hh" #include "item.hh" @@ -32,13 +40,17 @@ class New_dynamic_engraver : public Engraver protected: virtual void process_music (); virtual void stop_translation_timestep (); + virtual void finalize (); + private: - SCM get_property_setting (Stream_event *evt, char const *evprop, char const *ctxprop); + SCM get_property_setting (Stream_event *evt, char const *evprop, + char const *ctxprop); + string get_spanner_type (Stream_event *ev); Drul_array accepted_spanevents_drul_; Spanner *current_spanner_; Spanner *finished_spanner_; - + Item *script_; Stream_event *script_event_; Stream_event *current_span_event_; @@ -71,7 +83,9 @@ New_dynamic_engraver::listen_span_dynamic (Stream_event *ev) } SCM -New_dynamic_engraver::get_property_setting (Stream_event *evt, char const *evprop, char const *ctxprop) +New_dynamic_engraver::get_property_setting (Stream_event *evt, + char const *evprop, + char const *ctxprop) { SCM spanner_type = evt->get_property (evprop); if (spanner_type == SCM_EOL) @@ -83,15 +97,17 @@ void New_dynamic_engraver::process_music () { if (current_spanner_ - && (accepted_spanevents_drul_[STOP] || script_event_ || accepted_spanevents_drul_[START])) + && (accepted_spanevents_drul_[STOP] + || script_event_ + || accepted_spanevents_drul_[START])) { - Stream_event* ender = accepted_spanevents_drul_[STOP]; + Stream_event *ender = accepted_spanevents_drul_[STOP]; if (!ender) ender = script_event_; if (!ender) ender = accepted_spanevents_drul_[START]; - + finished_spanner_ = current_spanner_; announce_end_grob (finished_spanner_, ender->self_scm ()); current_spanner_ = 0; @@ -101,22 +117,10 @@ New_dynamic_engraver::process_music () if (accepted_spanevents_drul_[START]) { current_span_event_ = accepted_spanevents_drul_[START]; - - SCM start_sym = current_span_event_->get_property ("class"); - string start_type; - - if (start_sym == ly_symbol2scm ("decrescendo-event")) - start_type = "decrescendo"; - else if (start_sym == ly_symbol2scm ("crescendo-event")) - start_type = "crescendo"; - else - { - programming_error ("unknown dynamic spanner type"); - return; - } - + + string start_type = get_spanner_type (current_span_event_); SCM cresc_type = get_property_setting (current_span_event_, "span-type", - (start_type + "Spanner").c_str ()); + (start_type + "Spanner").c_str ()); if (cresc_type == ly_symbol2scm ("text")) { @@ -125,33 +129,31 @@ New_dynamic_engraver::process_music () accepted_spanevents_drul_[START]->self_scm ()); SCM text = get_property_setting (current_span_event_, "span-text", - (start_type + "Text").c_str ()); + (start_type + "Text").c_str ()); if (Text_interface::is_markup (text)) - { - current_spanner_->set_property ("text", text); - } + current_spanner_->set_property ("text", text); } else { if (cresc_type != ly_symbol2scm ("hairpin")) { - // Fixme: should put value in error message. string as_string = ly_scm_write_string (cresc_type); current_span_event_ ->origin()->warning (_f ("unknown crescendo style: %s\ndefaulting to hairpin.", as_string.c_str())); } current_spanner_ = make_spanner ("Hairpin", current_span_event_->self_scm ()); - if (finished_spanner_) - { - Pointer_group_interface::add_grob (finished_spanner_, - ly_symbol2scm ("adjacent-hairpins"), - current_spanner_); - - Pointer_group_interface::add_grob (current_spanner_, - ly_symbol2scm ("adjacent-hairpins"), - finished_spanner_); - } + } + if (finished_spanner_) + { + if (Hairpin::has_interface (finished_spanner_)) + Pointer_group_interface::add_grob (finished_spanner_, + ly_symbol2scm ("adjacent-spanners"), + current_spanner_); + if (Hairpin::has_interface (current_spanner_)) + Pointer_group_interface::add_grob (current_spanner_, + ly_symbol2scm ("adjacent-spanners"), + finished_spanner_); } } @@ -164,39 +166,61 @@ New_dynamic_engraver::process_music () if (finished_spanner_) finished_spanner_->set_bound (RIGHT, script_); if (current_spanner_) - { - current_spanner_->set_bound (LEFT, script_); - - if (!Hairpin::has_interface (current_spanner_)) - set_nested_property (current_spanner_, - scm_list_3 (ly_symbol2scm ("bound-details"), - ly_symbol2scm ("left"), - ly_symbol2scm ("attach-dir") - ), - scm_from_int (RIGHT)); - - } + current_spanner_->set_bound (LEFT, script_); } } - - void New_dynamic_engraver::stop_translation_timestep () { if (finished_spanner_ && !finished_spanner_->get_bound (RIGHT)) - finished_spanner_->set_bound (RIGHT, - unsmob_grob (get_property ("currentMusicalColumn"))); + finished_spanner_ + ->set_bound (RIGHT, + unsmob_grob (get_property ("currentMusicalColumn"))); if (current_spanner_ && !current_spanner_->get_bound (LEFT)) - current_spanner_->set_bound (LEFT, - unsmob_grob (get_property ("currentMusicalColumn"))); + current_spanner_ + ->set_bound (LEFT, + unsmob_grob (get_property ("currentMusicalColumn"))); script_ = 0; script_event_ = 0; accepted_spanevents_drul_.set (0, 0); finished_spanner_ = 0; } +void +New_dynamic_engraver::finalize () +{ + if (current_spanner_ + && !current_spanner_->is_live ()) + current_spanner_ = 0; + if (current_spanner_) + { + current_span_event_ + ->origin ()->warning (_f ("unterminated %s", + get_spanner_type (current_span_event_) + .c_str ())); + current_spanner_->suicide (); + current_spanner_ = 0; + } +} + +string +New_dynamic_engraver::get_spanner_type (Stream_event *ev) +{ + string type; + SCM start_sym = ev->get_property ("class"); + + if (start_sym == ly_symbol2scm ("decrescendo-event")) + type = "decrescendo"; + else if (start_sym == ly_symbol2scm ("crescendo-event")) + type = "crescendo"; + else + programming_error ("unknown dynamic spanner type"); + + return type; +} + void New_dynamic_engraver::acknowledge_note_column (Grob_info info) {