X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fdynamic-engraver.cc;h=bfb0f16b584c45fbed869efc65c662761972d1b8;hb=712fe7b7888d891773ec5a3a78f15c357c3eae9b;hp=1181fb15f1ff74d4926a1f27981bf28cbb0e7ede;hpb=2536405e9584f63d559653183971c0fec57ba037;p=lilypond.git diff --git a/lily/dynamic-engraver.cc b/lily/dynamic-engraver.cc index 1181fb15f1..bfb0f16b58 100644 --- a/lily/dynamic-engraver.cc +++ b/lily/dynamic-engraver.cc @@ -3,7 +3,7 @@ source file of the GNU LilyPond music typesetter - (c) 1997--2004 Han-Wen Nienhuys + (c) 1997--2005 Han-Wen Nienhuys */ #include "axis-group-interface.hh" @@ -11,18 +11,18 @@ #include "dimensions.hh" #include "directional-element-interface.hh" #include "engraver.hh" -#include "event.hh" -#include "group-interface.hh" #include "hairpin.hh" #include "interval.hh" -#include "item.hh" -#include "slur.hh" #include "note-column.hh" #include "paper-column.hh" #include "script-interface.hh" #include "side-position-interface.hh" #include "staff-symbol-referencer.hh" #include "warn.hh" +#include "self-alignment-interface.hh" +#include "pointer-group-interface.hh" + +#include "translator.icc" /* TODO: @@ -31,21 +31,19 @@ line-spanner - TODO: this engraver is too complicated. We should split it into - the handling of the basic grobs and the linespanner + the handling of the basic grobs and the linespanner - TODO: the line-spanner is not killed after the (de)crescs are finished. - */ /** print text & hairpin dynamics. - */ +*/ class Dynamic_engraver : public Engraver { Item *script_; Spanner *line_spanner_; - Spanner *slur_; Spanner *cresc_; Spanner *finished_line_spanner_; @@ -53,40 +51,39 @@ class Dynamic_engraver : public Engraver Music *script_ev_; Music *current_cresc_ev_; - - Drul_array accepted_spanreqs_drul_; + + Drul_array accepted_spanevents_drul_; Link_array pending_columns_; Link_array pending_elements_; - + void typeset_all (); TRANSLATOR_DECLARATIONS (Dynamic_engraver); - + DECLARE_ACKNOWLEDGER (script); + DECLARE_ACKNOWLEDGER (stem_tremolo); + DECLARE_ACKNOWLEDGER (note_column); + DECLARE_ACKNOWLEDGER (slur); + protected: virtual void finalize (); - virtual void acknowledge_grob (Grob_info); - virtual bool try_music (Music *req); - virtual void stop_translation_timestep (); - virtual void process_music (); + virtual bool try_music (Music *event); + void stop_translation_timestep (); + void process_music (); }; - - - Dynamic_engraver::Dynamic_engraver () { script_ = 0; - slur_ = 0; finished_cresc_ = 0; line_spanner_ = 0; finished_line_spanner_ = 0; current_cresc_ev_ = 0; - cresc_ =0; + cresc_ = 0; script_ev_ = 0; - accepted_spanreqs_drul_[START] = 0; - accepted_spanreqs_drul_[STOP] = 0; + accepted_spanevents_drul_[START] = 0; + accepted_spanevents_drul_[STOP] = 0; } bool @@ -105,9 +102,9 @@ Dynamic_engraver::try_music (Music *m) { Direction d = to_dir (m->get_property ("span-direction")); - accepted_spanreqs_drul_[d] = m; + accepted_spanevents_drul_[d] = m; if (current_cresc_ev_ && d == START) - accepted_spanreqs_drul_[STOP] = m; + accepted_spanevents_drul_[STOP] = m; return true; } return false; @@ -116,18 +113,17 @@ Dynamic_engraver::try_music (Music *m) void Dynamic_engraver::process_music () { - if (accepted_spanreqs_drul_[START] || accepted_spanreqs_drul_[STOP] || script_ev_) + if (accepted_spanevents_drul_[START] || accepted_spanevents_drul_[STOP] || script_ev_) { if (!line_spanner_) { - Music * rq = accepted_spanreqs_drul_[START]; - line_spanner_ = make_spanner ("DynamicLineSpanner", rq ? rq->self_scm (): SCM_EOL ); - + Music *rq = accepted_spanevents_drul_[START]; + line_spanner_ = make_spanner ("DynamicLineSpanner", rq ? rq->self_scm () : SCM_EOL); if (script_ev_) - rq = script_ev_; + rq = script_ev_; } } - + /* During a (de)crescendo, pending event will not be cleared, and a line-spanner will always be created, as \< \! are already @@ -136,7 +132,6 @@ Dynamic_engraver::process_music () Note: line-spanner must always have at least same duration as (de)crecsendo, b.o. line-breaking. */ - /* maybe we should leave dynamic texts to the text-engraver and @@ -148,47 +143,46 @@ Dynamic_engraver::process_music () script_->set_property ("text", script_ev_->get_property ("text")); - if (Direction d = to_dir (script_ev_->get_property ("direction"))) set_grob_direction (line_spanner_, d); + else if (Direction d = to_dir (line_spanner_->get_property ("direction"))) + set_grob_direction (script_, d); Axis_group_interface::add_element (line_spanner_, script_); } - Music *stop_ev = accepted_spanreqs_drul_ [STOP] ? - accepted_spanreqs_drul_[STOP] : script_ev_; + Music *stop_ev = accepted_spanevents_drul_ [STOP] + ? accepted_spanevents_drul_[STOP] : script_ev_; - if (accepted_spanreqs_drul_[STOP] || script_ev_) + if (accepted_spanevents_drul_[STOP] || script_ev_) { /* finish side position alignment if the (de)cresc ends here, and there are no new dynamics. - */ - + */ if (cresc_) { assert (!finished_cresc_ && cresc_); - cresc_->set_bound (RIGHT, script_ - ? script_ - : unsmob_grob (get_property ("currentMusicalColumn"))); - add_bound_item (line_spanner_, cresc_->get_bound (RIGHT)); - + if (script_) + { + cresc_->set_bound (RIGHT, script_); + add_bound_item (line_spanner_, script_); + } finished_cresc_ = cresc_; cresc_ = 0; current_cresc_ev_ = 0; } - else if (accepted_spanreqs_drul_[STOP]) + else if (accepted_spanevents_drul_[STOP]) { - accepted_spanreqs_drul_[STOP]->origin ()->warning (_ ("can't find start of (de)crescendo")); + accepted_spanevents_drul_[STOP]->origin ()->warning (_ ("can't find start of (de)crescendo")); stop_ev = 0; } - } - - if (accepted_spanreqs_drul_[START]) + + if (accepted_spanevents_drul_[START]) { if (current_cresc_ev_) { @@ -196,12 +190,12 @@ Dynamic_engraver::process_music () if (current_cresc_ev_->is_mus_type ("decrescendo-event")) msg = _ ("already have a crescendo"); - accepted_spanreqs_drul_[START]->origin ()->warning (msg); - current_cresc_ev_->origin ()->warning (_("Cresc started here")); + accepted_spanevents_drul_[START]->origin ()->warning (msg); + current_cresc_ev_->origin ()->warning (_ ("cresc starts here")); } else { - current_cresc_ev_ = accepted_spanreqs_drul_[START]; + current_cresc_ev_ = accepted_spanevents_drul_[START]; if (Direction d = to_dir (current_cresc_ev_->get_property ("direction"))) set_grob_direction (line_spanner_, d); @@ -210,8 +204,8 @@ Dynamic_engraver::process_music () TODO: Use symbols. */ - String start_type = - ly_symbol2string (current_cresc_ev_->get_property ("name")); + String start_type + = ly_symbol2string (current_cresc_ev_->get_property ("name")); /* ugh. Use push/pop? @@ -220,28 +214,26 @@ Dynamic_engraver::process_music () start_type = "decrescendo"; else if (start_type == "CrescendoEvent") start_type = "crescendo"; - + SCM s = get_property ((start_type + "Spanner").to_str0 ()); if (!scm_is_symbol (s) || s == ly_symbol2scm ("hairpin")) { - cresc_ = make_spanner ("Hairpin", accepted_spanreqs_drul_[START]->self_scm ()); + cresc_ = make_spanner ("Hairpin", accepted_spanevents_drul_[START]->self_scm ()); if (finished_cresc_) { Pointer_group_interface::add_grob (finished_cresc_, ly_symbol2scm ("adjacent-hairpins"), cresc_); - + Pointer_group_interface::add_grob (cresc_, ly_symbol2scm ("adjacent-hairpins"), finished_cresc_); } cresc_->set_property ("grow-direction", - scm_int2num ((start_type == "crescendo") - ? BIGGER : SMALLER)); - + scm_from_int ((start_type == "crescendo") + ? BIGGER : SMALLER)); } - /* This is a convenient (and legacy) interface to TextSpanners for use in (de)crescendi. @@ -249,7 +241,7 @@ Dynamic_engraver::process_music () */ else { - cresc_ = make_spanner ("DynamicTextSpanner", accepted_spanreqs_drul_[START]->self_scm ()); + cresc_ = make_spanner ("DynamicTextSpanner", accepted_spanevents_drul_[START]->self_scm ()); cresc_->set_property ("style", s); context ()->set_property ((start_type + "Spanner").to_str0 (), SCM_EOL); @@ -271,7 +263,7 @@ Dynamic_engraver::process_music () cresc_->set_bound (LEFT, script_); add_bound_item (line_spanner_, cresc_->get_bound (LEFT)); } - + Axis_group_interface::add_element (line_spanner_, cresc_); } } @@ -280,30 +272,31 @@ Dynamic_engraver::process_music () void Dynamic_engraver::stop_translation_timestep () { - typeset_all (); - if (!current_cresc_ev_) + if (!current_cresc_ev_ && line_spanner_) { + assert (!finished_line_spanner_); finished_line_spanner_ = line_spanner_; line_spanner_ = 0; - typeset_all (); } + typeset_all (); + if (cresc_ && !cresc_->get_bound (LEFT)) { cresc_->set_bound (LEFT, unsmob_grob (get_property ("currentMusicalColumn"))); add_bound_item (line_spanner_, cresc_->get_bound (LEFT)); } - + script_ev_ = 0; - accepted_spanreqs_drul_[START] = 0; - accepted_spanreqs_drul_[STOP] = 0; + accepted_spanevents_drul_[START] = 0; + accepted_spanevents_drul_[STOP] = 0; } void Dynamic_engraver::finalize () { typeset_all (); - + if (line_spanner_ && !line_spanner_->is_live ()) line_spanner_ = 0; @@ -334,21 +327,21 @@ Dynamic_engraver::typeset_all () finished_cresc_->set_bound (RIGHT, script_ ? script_ : unsmob_grob (get_property ("currentMusicalColumn"))); - + if (finished_line_spanner_) add_bound_item (finished_line_spanner_, finished_cresc_->get_bound (RIGHT)); } - finished_cresc_ =0; + finished_cresc_ = 0; } - + script_ = 0; if (finished_line_spanner_) { /* We used to have - - extend-spanner-over-elements (finished_line_spanner_); + + extend-spanner-over-elements (finished_line_spanner_); but this is rather kludgy, since finished_line_spanner_ typically has a staff-symbol field set , extending it over the @@ -356,8 +349,8 @@ Dynamic_engraver::typeset_all () */ - Grob * l = finished_line_spanner_->get_bound (LEFT); - Grob * r = finished_line_spanner_->get_bound (RIGHT); + Grob *l = finished_line_spanner_->get_bound (LEFT); + Grob *r = finished_line_spanner_->get_bound (RIGHT); if (!r && l) finished_line_spanner_->set_bound (RIGHT, l); else if (!l && r) @@ -367,76 +360,103 @@ Dynamic_engraver::typeset_all () /* This is a isolated dynamic apparently, and does not even have any interesting support item. - */ - Grob * cc = unsmob_grob (get_property ("currentMusicalColumn")); - Item * ci = dynamic_cast(cc); + */ + Grob *cc = unsmob_grob (get_property ("currentMusicalColumn")); + Item *ci = dynamic_cast (cc); finished_line_spanner_->set_bound (RIGHT, ci); - finished_line_spanner_->set_bound (LEFT, ci); + finished_line_spanner_->set_bound (LEFT, ci); } - + finished_line_spanner_ = 0; } } + void -Dynamic_engraver::acknowledge_grob (Grob_info info) +Dynamic_engraver::acknowledge_stem_tremolo (Grob_info info) +{ + if (line_spanner_) + Side_position_interface::add_support (line_spanner_, info.grob ()); +} + + +void +Dynamic_engraver::acknowledge_slur (Grob_info info) +{ + if (line_spanner_) + Side_position_interface::add_support (line_spanner_, info.grob ()); +} + + +void +Dynamic_engraver::acknowledge_note_column (Grob_info info) { if (!line_spanner_) return; - if (Note_column::has_interface (info.grob_)) + if (line_spanner_ + /* Don't refill killed spanner */ + && line_spanner_->is_live ()) { - if (line_spanner_ - /* Don't refill killed spanner */ - && line_spanner_->is_live ()) - { - Side_position_interface::add_support (line_spanner_,info.grob_); - add_bound_item (line_spanner_,dynamic_cast (info.grob_)); - } + Side_position_interface::add_support (line_spanner_, info.grob ()); + add_bound_item (line_spanner_, dynamic_cast (info.grob ())); + } - if (script_ && !script_->get_parent (X_AXIS)) + if (script_ && !script_->get_parent (X_AXIS)) + { + extract_grob_set (info.grob (), "note-heads", heads); + if (heads.size ()) { - SCM head = scm_last_pair (info.grob_->get_property ("note-heads")); - if (scm_is_pair (head)) - script_->set_parent (unsmob_grob (ly_car (head)), X_AXIS); + Grob *head = heads[0]; + script_->set_parent (head, X_AXIS); + Self_alignment_interface::set_center_parent (script_, X_AXIS); } + } - - - if (cresc_ && !cresc_->get_bound (LEFT)) + if (cresc_) + { + if (!cresc_->get_bound (LEFT)) { - cresc_->set_bound (LEFT, info.grob_); + cresc_->set_bound (LEFT, info.grob ()); add_bound_item (line_spanner_, cresc_->get_bound (LEFT)); } - } - else if (Script_interface::has_interface (info.grob_) && script_) - { - SCM p = info.grob_->get_property ("script-priority"); - /* - UGH. - - DynamicText doesn't really have a script-priority field. - */ - if (scm_is_number (p) - && scm_to_int (p) - < scm_to_int (script_->get_property ("script-priority"))) - Side_position_interface::add_support (line_spanner_, info.grob_); - } - else if (Slur::has_interface (info.grob_)) - slur_ = dynamic_cast (info.grob_); + if (finished_cresc_ && !finished_cresc_->get_bound (RIGHT)) + finished_cresc_->set_bound (RIGHT, info.grob ()); +} + +void +Dynamic_engraver::acknowledge_script (Grob_info info) +{ + if (!line_spanner_ || !script_) + return; + + SCM p = info.grob ()->get_property ("script-priority"); + + /* + UGH. + + DynamicText doesn't really have a script-priority field. + */ + if (scm_is_number (p) + && scm_to_int (p) + < scm_to_int (script_->get_property ("script-priority"))) + Side_position_interface::add_support (line_spanner_, info.grob ()); } -ENTER_DESCRIPTION (Dynamic_engraver, -/* descr */ -"This engraver creates hairpins, dynamic texts, and their vertical\n" -"alignments. The symbols are collected onto a DynamicLineSpanner grob\n" -"which takes care of vertical positioning. " -, - -/* creats*/ "DynamicLineSpanner DynamicText Hairpin TextSpanner", -/* accepts */ "absolute-dynamic-event crescendo-event decrescendo-event", -/* acks */ "note-column-interface script-interface slur-interface", -/* reads */ "", -/* write */ ""); +ADD_ACKNOWLEDGER (Dynamic_engraver, script); +ADD_ACKNOWLEDGER (Dynamic_engraver, note_column); +ADD_ACKNOWLEDGER (Dynamic_engraver, slur); +ADD_ACKNOWLEDGER (Dynamic_engraver, stem_tremolo); + +ADD_TRANSLATOR (Dynamic_engraver, + /* doc */ + "This engraver creates hairpins, dynamic texts, and their vertical\n" + "alignments. The symbols are collected onto a DynamicLineSpanner grob\n" + "which takes care of vertical positioning. ", + + /* create */ "DynamicLineSpanner DynamicText Hairpin TextSpanner", + /* accept */ "absolute-dynamic-event crescendo-event decrescendo-event", + /* read */ "", + /* write */ "");