X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fscore-engraver.cc;h=258b55bd22d2dc43de820ebf016feecf8741243a;hb=36342ddfdbf0c112be9cb4ce471417e9c0e8fa1f;hp=71501fed7b6bc6534b2a66b2a9d35462b22580fd;hpb=669494d7e9ab0156a1ebc8804a24f136f551d803;p=lilypond.git diff --git a/lily/score-engraver.cc b/lily/score-engraver.cc index 71501fed7b..258b55bd22 100644 --- a/lily/score-engraver.cc +++ b/lily/score-engraver.cc @@ -3,286 +3,180 @@ source file of the GNU LilyPond music typesetter - (c) 1997--2000 Han-Wen Nienhuys + (c) 1997--2005 Han-Wen Nienhuys */ -#include "debug.hh" - -#include "line-of-score.hh" -#include "item.hh" +#include "all-font-metrics.hh" +#include "afm.hh" +#include "warn.hh" +#include "main.hh" +#include "system.hh" #include "score-engraver.hh" #include "paper-score.hh" #include "paper-column.hh" -#include "command-request.hh" -#include "paper-def.hh" +#include "output-def.hh" #include "axis-group-interface.hh" -#include "translator-def.hh" - +#include "context-def.hh" +#include "global-context.hh" +#include "open-type-font.hh" +#include "paper-column-engraver.hh" -Score_engraver::Score_engraver() +/* + 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 (Moment w) +Score_engraver::derived_mark () const { - /* - ugh. - */ - if (!command_column_l_ - || *unsmob_moment (command_column_l_->get_grob_property ("when")) != w) - { - set_columns (new Paper_column (get_property (ly_symbol2scm ("NonMusicalPaperColumn"))), - new Paper_column (get_property (ly_symbol2scm ("PaperColumn")))); - - command_column_l_->set_grob_property ("when", w.smobbed_copy()); - musical_column_l_->set_grob_property ("when", w.smobbed_copy()); - command_column_l_->set_grob_property ("breakable", SCM_BOOL_T); - - Grob_info i1(command_column_l_, 0), i2 (musical_column_l_,0); - - i1.origin_trans_l_ = this; - i2.origin_trans_l_ = this; - announce_grob (i1); - announce_grob (i2); - } + if (pscore_) + scm_gc_mark (pscore_->self_scm ()); + Score_translator::derived_mark (); + Engraver_group::derived_mark (); } void -Score_engraver::prepare (Moment w) +Score_engraver::prepare (Moment m) { - Global_translator::prepare (w); - make_columns (w); + (void) m; - post_move_processing(); + precomputed_recurse_over_translators (context (), START_TRANSLATION_TIMESTEP, DOWN); } void -Score_engraver::finish() +Score_engraver::finish () { - 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); - - assert (dynamic_cast (output_def_l_)); - assert (!daddy_trans_l_); - pscore_p_ = new Paper_score; - pscore_p_->paper_l_ = dynamic_cast(output_def_l_); + 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 ().to_str0 ()) + + "\n" + + _ ("Aborting")); + } - SCM props = get_property (ly_symbol2scm ("LineOfScore")); + pscore_ = new Paper_score (dynamic_cast (context ()->get_output_def ())); + pscore_->unprotect (); - pscore_p_->typeset_line (new Line_of_score (props)); - - make_columns (Moment (0)); - scoreline_l_ = pscore_p_->line_l_; + SCM props = updated_grob_properties (context (), ly_symbol2scm ("System")); - scoreline_l_->set_bound(LEFT, command_column_l_); - - command_column_l_->set_grob_property ("breakable", SCM_BOOL_T); + Object_key const *sys_key = context ()->get_grob_key ("System"); + pscore_->typeset_system (new System (props, sys_key)); + system_ = pscore_->root_system (); + context ()->set_property ("rootSystem", system_->self_scm ()); - Engraver_group_engraver::initialize(); + Engraver_group::initialize (); } - void -Score_engraver::finalize() +Score_engraver::finalize () { - Engraver_group_engraver::finalize(); - scoreline_l_->set_bound(RIGHT,command_column_l_); - command_column_l_->set_grob_property ("breakable", SCM_BOOL_T); - - typeset_all (); + Score_translator::finalize (); - set_columns (0,0); -} - -void -Score_engraver::one_time_step() -{ - process_music(); - announces(); - pre_move_processing(); - check_removal(); + typeset_all (); } void -Score_engraver::announce_grob (Grob_info info) +Score_engraver::one_time_step () { - announce_info_arr_.push (info); - pscore_p_->line_l_->typeset_grob (info.elem_l_); -} + if (!to_boolean (context ()->get_property ("skipTypesetting"))) + { + precomputed_recurse_over_translators (context (), PROCESS_MUSIC, UP); + Engraver_group::do_announces (); + } -/* All elements are propagated to the top upon announcement. If - something was created during one run of - Engraver_group_engraver::do_announces, then - announce_info_arr_.size() will be nonzero again -*/ -/* junkme? Done by Engraver_group_engraver::do_announces ()? - */ - -void -Score_engraver::do_announces() -{ - ////// do - Engraver_group_engraver::do_announces(); - //////while (announce_info_arr_.size()); + precomputed_recurse_over_translators (context (), STOP_TRANSLATION_TIMESTEP, UP); + typeset_all (); } - void -Score_engraver::typeset_grob (Grob *elem_p) +Score_engraver::announce_grob (Grob_info info) { - if (!elem_p) - programming_error ("Score_engraver: empty elt\n"); - else - - elem_p_arr_.push (elem_p); + announce_infos_.push (info); + pscore_->root_system ()->typeset_grob (info.grob ()); + elems_.push (info.grob ()); } - void -Score_engraver::typeset_all() +Score_engraver::typeset_all () { - for (int i =0; i < elem_p_arr_.size(); i++) + for (int i = 0; i < elems_.size (); i++) { - 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_); - ::warning (_f ("unbound spanner `%s'", s->name().ch_C())); - } - } while (flip(&d) != LEFT); - } - else - { - if (!elem_p->parent_l (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); + Grob *elem = elems_[i]; - } - } - if (!elem_p->parent_l(Y_AXIS)) - Axis_group_interface::add_element (scoreline_l_, elem_p); + if (!elem->get_parent (Y_AXIS)) + Axis_group_interface::add_element (system_, elem); } - elem_p_arr_.clear(); + elems_.clear (); } -void -Score_engraver::stop_translation_timestep() +SCM +Score_engraver::get_output () { - // this generates all items. - Engraver_group_engraver::stop_translation_timestep(); - - typeset_all(); - if (to_boolean (command_column_l_->get_grob_property ("breakable"))) - { - breaks_i_ ++; - if (! (breaks_i_%8)) - progress_indication ("[" + to_str ( breaks_i_) + "]"); - } + Music_output *o = pscore_; + return o->self_scm (); } +/* + UGH UGH +*/ void -Score_engraver::set_columns (Paper_column *new_command_l, - Paper_column *new_musical_l) +Score_engraver::forbid_breaks () { - Paper_column * news[] = {new_command_l, new_musical_l}; - Paper_column **current[] = {&command_column_l_, &musical_column_l_}; - - for (int i=00; i< 2; i++) + for (SCM s = simple_trans_list_; scm_is_pair (s); s = scm_cdr (s)) { - if (*current[i]) - { - scoreline_l_->add_column ((*current[i])); - } - if (news[i]) - *current[i] = news[i]; + Translator *tr = unsmob_translator (scm_car (s)); + if (Paper_column_engraver *pce = dynamic_cast (tr)) + pce->forbid_breaks (); } - - if (new_musical_l) - set_property ("currentMusicalColumn", new_musical_l->self_scm ()); - if (new_command_l) - set_property ("currentCommandColumn", new_command_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) -{ - bool gotcha = Engraver_group_engraver::try_music (r); - - if (!gotcha) - { - 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)); - } - } - return gotcha; -} - -/* - TODO: use property Score.breakForbidden = #t - */ - -void -Score_engraver::forbid_breaks () -{ - /* - result is junked. - */ - command_column_l_->remove_grob_property ("breakable"); -} - -ADD_THIS_TRANSLATOR(Score_engraver); - - +Score_engraver::try_music (Music *m) +{ + if (Engraver_group::try_music (m)) + return true; + + return false; +} + +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, 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.) ", + /* create */ + "System ", + + /* accept */ + "break-event", + /* read */ + "currentMusicalColumn " + "currentCommandColumn " + "verticallySpacedContexts", + /* write */ + "");