X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fscore-engraver.cc;h=c81c5fce6bc7c3a1e75478abe64c5649b9390e01;hb=bdd3c80b32f39751ed30a89a4623ede6fe0c6df3;hp=efa97d2c9afe2804bb35fc6e1e2958b7c3481bab;hpb=db46a35cd309f9abee86af6e5518c1367621c6bd;p=lilypond.git diff --git a/lily/score-engraver.cc b/lily/score-engraver.cc index efa97d2c9a..c81c5fce6b 100644 --- a/lily/score-engraver.cc +++ b/lily/score-engraver.cc @@ -3,349 +3,179 @@ source file of the GNU LilyPond music typesetter - (c) 1997--2002 Han-Wen Nienhuys + (c) 1997--2006 Han-Wen Nienhuys */ -#include "debug.hh" - -#include "system.hh" -#include "item.hh" #include "score-engraver.hh" -#include "paper-score.hh" -#include "paper-column.hh" -#include "command-request.hh" -#include "paper-def.hh" -#include "axis-group-interface.hh" -#include "translator-def.hh" -#include "staff-spacing.hh" -#include "note-spacing.hh" +#include "all-font-metrics.hh" +#include "axis-group-interface.hh" +#include "context-def.hh" +#include "dispatcher.hh" +#include "global-context.hh" +#include "international.hh" +#include "main.hh" +#include "open-type-font.hh" +#include "output-def.hh" +#include "paper-column-engraver.hh" +#include "paper-column.hh" +#include "paper-score.hh" +#include "stream-event.hh" +#include "system.hh" +#include "warn.hh" -/* - TODO: the column creation logic is rather hairy. Revise it. - */ Score_engraver::Score_engraver () { - scoreline_l_ =0; - command_column_l_ =0; - musical_column_l_ =0; - breaks_i_ =0; - pscore_p_ = 0; + system_ = 0; + pscore_ = 0; } void -Score_engraver::make_columns () +Score_engraver::derived_mark () const { - /* - ugh. - */ - if (!command_column_l_) - { - set_columns (new Paper_column (get_property ("NonMusicalPaperColumn")), - new Paper_column (get_property ("PaperColumn"))); - - command_column_l_->set_grob_property ("breakable", SCM_BOOL_T); - - - Grob_info i1 (command_column_l_); - i1.origin_trans_l_ = this; - - Grob_info i2 (musical_column_l_); - i2.origin_trans_l_ = this; - - - announce_grob (i1); - announce_grob (i2); - - - } + if (pscore_) + scm_gc_mark (pscore_->self_scm ()); + Engraver_group::derived_mark (); } +IMPLEMENT_LISTENER (Score_engraver, prepare); void -Score_engraver::prepare (Moment w) +Score_engraver::prepare (SCM) { - Global_translator::prepare (w); - - /* - TODO: don't make columns when skipTypesetting is true. - */ - make_columns (); - - command_column_l_->set_grob_property ("when", now_mom_.smobbed_copy ()); - musical_column_l_->set_grob_property ("when", now_mom_.smobbed_copy ()); - - - Translator_group::start_translation_timestep(); + precomputed_recurse_over_translators (context (), START_TRANSLATION_TIMESTEP, DOWN); } +IMPLEMENT_LISTENER (Score_engraver, finish); void -Score_engraver::finish () +Score_engraver::finish (SCM) { - if ((breaks_i_%8)) - progress_indication ("[" + to_str (breaks_i_) + "]"); - - check_removal (); - removal_processing (); - + recurse_over_translators (context (), &Translator::finalize, + &Translator_group::finalize, + UP); } +#define MUSIC_FONT "emmentaler-20" + /* use start/finish? - */ +*/ void Score_engraver::initialize () { - unsmob_translator_def (definition_)->apply_property_operations (this); + Font_metric *fm = all_fonts_global->find_otf (MUSIC_FONT); + if (!fm) + { + error (_f ("cannot find `%s'", MUSIC_FONT ".otf") + + "\n" + + _ ("Music font has not been installed properly.") + + "\n" + + _f ("Search path `%s'", global_path.to_string ().c_str ()) + + "\n" + + _ ("Aborting")); + } - assert (dynamic_cast (output_def_l_)); - assert (!daddy_trans_l_); - pscore_p_ = new Paper_score; - pscore_p_->paper_l_ = dynamic_cast (output_def_l_); + pscore_ = new Paper_score (dynamic_cast (context ()->get_output_def ())); + pscore_->unprotect (); + context ()->set_property ("output", pscore_->self_scm ()); - SCM props = get_property ("System"); + SCM props = updated_grob_properties (context (), ly_symbol2scm ("System")); - pscore_p_->typeset_line (new System (props)); + Object_key const *sys_key = context ()->get_grob_key ("System"); + pscore_->typeset_system (new System (props, sys_key)); - make_columns (); - scoreline_l_ = pscore_p_->line_l_; - scoreline_l_->set_bound (LEFT, command_column_l_); - command_column_l_->set_grob_property ("breakable", SCM_BOOL_T); + system_ = pscore_->root_system (); + context ()->set_property ("rootSystem", system_->self_scm ()); - Engraver_group_engraver::initialize (); + Engraver_group::initialize (); } - void -Score_engraver::finalize () +Score_engraver::connect_to_context (Context *c) { - Engraver_group_engraver::finalize (); - - Grob * cc - = unsmob_grob (get_property ("currentCommandColumn")); - scoreline_l_->set_bound (RIGHT, cc); - cc->set_grob_property ("breakable", SCM_BOOL_T); + Engraver_group::connect_to_context (c); - typeset_all (); + Dispatcher *d = c->get_global_context ()->event_source (); + d->add_listener (GET_LISTENER (one_time_step), ly_symbol2scm ("OneTimeStep")); + d->add_listener (GET_LISTENER (prepare), ly_symbol2scm ("Prepare")); + d->add_listener (GET_LISTENER (finish), ly_symbol2scm ("Finish")); } void -Score_engraver::one_time_step () +Score_engraver::disconnect_from_context () { - if (!to_boolean (get_property ("skipTypesetting"))) - { - process_music (); - do_announces (); - } - - stop_translation_timestep (); - check_removal (); + Dispatcher *d = context ()->get_global_context ()->event_source (); + d->remove_listener (GET_LISTENER (one_time_step), ly_symbol2scm ("OneTimeStep")); + d->remove_listener (GET_LISTENER (prepare), ly_symbol2scm ("Prepare")); + d->remove_listener (GET_LISTENER (finish), ly_symbol2scm ("Finish")); - - for (int i = announce_info_arr_.size(); i--;) - { - Grob *g = announce_info_arr_[i].grob_l_; - if (!dynamic_cast (g)) // ugh. - { - - String msg= "Grob " - + g->name() - + " was created too late!"; - g->programming_error (msg); - } - } - announce_info_arr_.clear (); + Engraver_group::disconnect_from_context (); } void -Score_engraver::announce_grob (Grob_info info) -{ - announce_info_arr_.push (info); - pscore_p_->line_l_->typeset_grob (info.grob_l_); -} - -void -Score_engraver::typeset_grob (Grob *elem_p) +Score_engraver::finalize () { - if (!elem_p) - programming_error ("Score_engraver: empty elt\n"); - else + Engraver_group::finalize (); - elem_p_arr_.push (elem_p); + typeset_all (); } +IMPLEMENT_LISTENER(Score_engraver, one_time_step); void -Score_engraver::typeset_all () +Score_engraver::one_time_step (SCM) { - for (int i =0; i < elem_p_arr_.size (); i++) + if (!to_boolean (context ()->get_property ("skipTypesetting"))) { - Grob * elem_p = elem_p_arr_[i]; - - if (Spanner *s = dynamic_cast (elem_p)) - { - /* - do something sensible if spanner not - spanned on 2 items. - */ - Direction d = LEFT; - do { - if (!s->get_bound (d)) - { - s->set_bound (d, command_column_l_); - /* don't warn for empty/suicided spanners, - it makes real warningsinvisible. - maybe should be junked earlier? */ - if (!elem_p->live()) - ; // gdb hook - else - elem_p->warning (_f ("unbound spanner `%s'", s->name ().ch_C ())); - } - } - while (flip (&d) != LEFT); - - if (dynamic_cast (s->get_parent (Y_AXIS))) - programming_error ("Spanner Y-parent is an item."); - } - else - { - if (!elem_p->get_parent (X_AXIS)) - { - bool br = to_boolean (elem_p->get_grob_property ("breakable")); - Axis_group_interface::add_element (br ? command_column_l_ : musical_column_l_, elem_p); - - } - } - if (!elem_p->get_parent (Y_AXIS)) - Axis_group_interface::add_element (scoreline_l_, elem_p); + precomputed_recurse_over_translators (context (), PROCESS_MUSIC, UP); + Engraver_group::do_announces (); } - elem_p_arr_.clear (); -} -void -Score_engraver::stop_translation_timestep () -{ - // this generates all items. - Engraver_group_engraver::stop_translation_timestep (); - + precomputed_recurse_over_translators (context (), STOP_TRANSLATION_TIMESTEP, UP); typeset_all (); - if (to_boolean (command_column_l_->get_grob_property ("breakable"))) - { - breaks_i_ ++; - if (! (breaks_i_%8)) - progress_indication ("[" + to_str (breaks_i_) + "]"); - } - - - scoreline_l_->add_column (command_column_l_); - scoreline_l_->add_column (musical_column_l_); - - command_column_l_ = 0; - musical_column_l_ = 0; } void -Score_engraver::set_columns (Paper_column *new_command_l, - Paper_column *new_musical_l) -{ - assert (!command_column_l_ && !musical_column_l_); - - command_column_l_ = new_command_l; - musical_column_l_ = new_musical_l; - if (new_command_l) - { - set_property ("currentCommandColumn", new_command_l->self_scm ()); - } - - if (new_musical_l) - { - set_property ("currentMusicalColumn", new_musical_l->self_scm ()); - } -} - -Music_output* -Score_engraver::get_output_p () -{ - Music_output * o = pscore_p_; - pscore_p_=0; - return o; -} - -bool -Score_engraver::try_music (Music*r) +Score_engraver::announce_grob (Grob_info info) { - bool gotcha = Engraver_group_engraver::try_music (r); - - if (!gotcha) + Engraver_group::announce_grob (info); + if (info.start_end () == START) { - if (Break_req* b = dynamic_cast (r)) - { - gotcha = true; - - - SCM pen = command_column_l_->get_grob_property ("penalty"); - Real total_penalty = gh_number_p (pen) - ? gh_scm2double (pen) - : 0.0; - - SCM rpen = b->get_mus_property ("penalty"); - if (gh_number_p (rpen)) - total_penalty += gh_scm2double (rpen); - - if (total_penalty > 10000.0) // ugh. arbitrary. - forbid_breaks (); - - command_column_l_->set_grob_property ("penalty", - gh_double2scm (total_penalty)); - } + pscore_->root_system ()->typeset_grob (info.grob ()); + elems_.push_back (info.grob ()); } - return gotcha; } -/* - TODO: use property Score.breakForbidden = #t - */ -void -Score_engraver::forbid_breaks () -{ - /* - result is junked. - */ - if (command_column_l_) - command_column_l_->remove_grob_property ("breakable"); -} - void -Score_engraver::acknowledge_grob (Grob_info gi) +Score_engraver::typeset_all () { - if (Staff_spacing::has_interface (gi.grob_l_)) + for (vsize i = 0; i < elems_.size (); i++) { - Pointer_group_interface::add_grob (command_column_l_, - ly_symbol2scm ("spacing-wishes"), - gi.grob_l_); - } - if (Note_spacing::has_interface (gi.grob_l_)) - { - Pointer_group_interface::add_grob (musical_column_l_, - ly_symbol2scm ("spacing-wishes"), - gi.grob_l_); - } -} - - + Grob *elem = elems_[i]; -ENTER_DESCRIPTION(Score_engraver, -/* descr */ "Top level engraver. Takes care of generating columns and the complete system (ie. System) - - -This engraver decides whether a column is breakable. The default is -that a column is always breakable. However, when every Bar_engraver -that does not have a barline at a certain point will call -Score_engraver::forbid_breaks to stop linebreaks. In practice, this -means that you can make a breakpoint by creating a barline (assuming -that there are no beams or notes that prevent a breakpoint.) - - -", -/* creats*/ "System PaperColumn NonMusicalPaperColumn", -/* acks */ "note-spacing-interface staff-spacing-interface", -/* reads */ "currentMusicalColumn currentCommandColumn", -/* write */ ""); + if (!elem->get_parent (Y_AXIS)) + Axis_group_interface::add_element (system_, elem); + } + elems_.clear (); +} + +ADD_TRANSLATOR_GROUP (Score_engraver, + /* doc */ "Top level engraver. Takes care of generating columns and the complete system (ie. System) " + "\n\n " + "This engraver decides whether a column is breakable. The default is " + "that a column is always breakable. However, every Bar_engraver " + "that does not have a barline at a certain point will set " + "forbidBreaks to stop linebreaks. In practice, this " + "means that you can make a breakpoint by creating a barline (assuming " + "that there are no beams or notes that prevent a breakpoint.) ", + /* create */ + "System ", + + /* accept */ + "", + + /* read */ + "currentMusicalColumn " + "currentCommandColumn " + "verticallySpacedContexts", + + /* write */ + "");