X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fdynamic-engraver.cc;h=dd7e8ad4fbf5c4254c860a627bf7d6718c5d6e55;hb=84aa0dad3e436409f734cca40f475d3808cfdfeb;hp=e9141a840e8a8a663418223505c72e71965dd920;hpb=a4d7106c75b325441063fd9ba9c4131979784aa5;p=lilypond.git diff --git a/lily/dynamic-engraver.cc b/lily/dynamic-engraver.cc index e9141a840e..dd7e8ad4fb 100644 --- a/lily/dynamic-engraver.cc +++ b/lily/dynamic-engraver.cc @@ -3,349 +3,427 @@ source file of the GNU LilyPond music typesetter - (c) 1997--2000 Han-Wen Nienhuys + (c) 1997--2005 Han-Wen Nienhuys */ -#include "debug.hh" + +#include "axis-group-interface.hh" +#include "context.hh" #include "dimensions.hh" -#include "crescendo.hh" -#include "musical-request.hh" -#include "paper-column.hh" +#include "directional-element-interface.hh" +#include "engraver.hh" +#include "hairpin.hh" +#include "interval.hh" #include "note-column.hh" -#include "item.hh" +#include "paper-column.hh" +#include "script-interface.hh" #include "side-position-interface.hh" -#include "engraver.hh" -#include "group-interface.hh" -#include "directional-element-interface.hh" -#include "translator-group.hh" -#include "axis-group-interface.hh" - +#include "staff-symbol-referencer.hh" +#include "warn.hh" /* TODO: - * direction of text-dynamic-request if not equal to direction of + * direction of text-dynamic-event if not equal to direction of line-spanner + + - TODO: this engraver is too complicated. We should split it into + 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_p_; - Spanner * finished_cresc_p_; - Spanner * cresc_p_; + Item *script_; + Spanner *line_spanner_; + Spanner *cresc_; - Text_script_req* script_req_l_; - - Span_req * current_cresc_req_; - Drul_array accepted_spanreqs_drul_; + Spanner *finished_line_spanner_; + Spanner *finished_cresc_; - Spanner* line_spanner_; - Spanner* finished_line_spanner_; + Music *script_ev_; + Music *current_cresc_ev_; + + Drul_array accepted_spanreqs_drul_; + + Link_array pending_columns_; + Link_array pending_elements_; - Link_array pending_column_arr_; - Link_array pending_element_arr_; - void typeset_all (); -public: - VIRTUAL_COPY_CONS(Translator); - Dynamic_engraver (); - + TRANSLATOR_DECLARATIONS (Dynamic_engraver); + protected: - virtual void do_removal_processing (); - virtual void acknowledge_element (Score_element_info); - virtual bool do_try_music (Music *req_l); - void deprecated_process_music (); - virtual void do_pre_move_processing (); - virtual void process_acknowledged (); - virtual void do_post_move_processing (); + virtual void finalize (); + virtual void acknowledge_grob (Grob_info); + virtual bool try_music (Music *req); + virtual void stop_translation_timestep (); + virtual void process_music (); }; -ADD_THIS_TRANSLATOR (Dynamic_engraver); - - Dynamic_engraver::Dynamic_engraver () { - script_p_ = 0; - finished_cresc_p_ = 0; + script_ = 0; + finished_cresc_ = 0; line_spanner_ = 0; finished_line_spanner_ = 0; - current_cresc_req_ = 0; - cresc_p_ =0; - - script_req_l_ = 0; - accepted_spanreqs_drul_[START] = 0; - accepted_spanreqs_drul_[STOP] = 0; -} + current_cresc_ev_ = 0; + cresc_ = 0; -void -Dynamic_engraver::do_post_move_processing () -{ - script_req_l_ = 0; + script_ev_ = 0; accepted_spanreqs_drul_[START] = 0; accepted_spanreqs_drul_[STOP] = 0; } bool -Dynamic_engraver::do_try_music (Music * m) +Dynamic_engraver::try_music (Music *m) { - if (dynamic_cast (m) - && m->get_mus_property ("text-type") == ly_symbol2scm ("dynamic")) + if (m->is_mus_type ("absolute-dynamic-event")) { - script_req_l_ = dynamic_cast (m); + /* + TODO: probably broken. + */ + script_ev_ = m; return true; } - else if (Span_req* s = dynamic_cast (m)) + else if (m->is_mus_type ("decrescendo-event") + || m->is_mus_type ("crescendo-event")) { - String t = ly_scm2string (s->get_mus_property ("span-type")); - if (t== "abort") - { - accepted_spanreqs_drul_[LEFT] = 0; - accepted_spanreqs_drul_[RIGHT] = 0; - if (line_spanner_) - line_spanner_->suicide (); - line_spanner_ = 0; - if (cresc_p_) - cresc_p_->suicide (); - cresc_p_ = 0; - } - else if (t == "crescendo" - || t == "decrescendo") - { - accepted_spanreqs_drul_[s->get_span_dir()] = s; - return true; - } + Direction d = to_dir (m->get_property ("span-direction")); + + accepted_spanreqs_drul_[d] = m; + if (current_cresc_ev_ && d == START) + accepted_spanreqs_drul_[STOP] = m; + return true; } return false; } void -Dynamic_engraver::deprecated_process_music () +Dynamic_engraver::process_music () { - if (accepted_spanreqs_drul_[START] || accepted_spanreqs_drul_[STOP] || script_req_l_) - + if (accepted_spanreqs_drul_[START] || accepted_spanreqs_drul_[STOP] || script_ev_) { if (!line_spanner_) { - line_spanner_ = new Spanner (get_property ("DynamicLineSpanner")); - - Side_position::set_axis (line_spanner_, Y_AXIS); - Axis_group_interface::set_interface (line_spanner_); - Axis_group_interface::set_axes (line_spanner_, Y_AXIS, Y_AXIS); - - Music * rq = accepted_spanreqs_drul_[START]; - if (script_req_l_) - rq = script_req_l_ ; - announce_element (line_spanner_, rq); - + Music *rq = accepted_spanreqs_drul_[START]; + line_spanner_ = make_spanner ("DynamicLineSpanner", rq ? rq->self_scm () : SCM_EOL); + if (script_ev_) + rq = script_ev_; } } /* - finish side position alignment if the (de)cresc ends here, and - there are no new dynamics. - - */ - else if (accepted_spanreqs_drul_[STOP] - && !accepted_spanreqs_drul_[START] && !script_req_l_) - { - finished_line_spanner_ = line_spanner_; - line_spanner_ = 0; - } - - /* - todo: resurrect dynamic{direction, padding,minimumspace} - */ - /* - During a (de)crescendo, pending request will not be cleared, - and a line-spanner will always be created, as \< \! are already - two requests. - - Maybe always creating a line-spanner for a (de)crescendo (see - below) is not a good idea: - - a\< b\p \!c - - the \p will be centred on the line-spanner, and thus clash - with the hairpin. When axis-group code is in place, the \p - should move below the hairpin, which is probably better? - - Urg, but line-spanner must always have at least same duration - as (de)crecsendo, b.o. line-breaking. - */ + During a (de)crescendo, pending event will not be cleared, + and a line-spanner will always be created, as \< \! are already + two events. - + 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 simply acknowledge them? */ - if (script_req_l_) + if (script_ev_) { - script_p_ = new Item (get_property ("DynamicText")); - script_p_->set_elt_property ("text", - script_req_l_->get_mus_property ("text")); - if (Direction d = script_req_l_->get_direction ()) - Directional_element_interface::set (line_spanner_, d); + script_ = make_item ("DynamicText", script_ev_->self_scm ()); + script_->set_property ("text", + script_ev_->get_property ("text")); - Axis_group_interface::add_element (line_spanner_, script_p_); + if (Direction d = to_dir (script_ev_->get_property ("direction"))) + set_grob_direction (line_spanner_, d); - announce_element (script_p_, script_req_l_); + Axis_group_interface::add_element (line_spanner_, script_); } - if (accepted_spanreqs_drul_[STOP]) + Music *stop_ev = accepted_spanreqs_drul_ [STOP] + ? accepted_spanreqs_drul_[STOP] : script_ev_; + + if (accepted_spanreqs_drul_[STOP] || script_ev_) { - if (!cresc_p_) + /* + finish side position alignment if the (de)cresc ends here, and + there are no new dynamics. + */ + + if (cresc_) { - accepted_spanreqs_drul_[STOP]->origin ()->warning - (_ ("can't find start of (de)crescendo")); + assert (!finished_cresc_ && cresc_); + + if (script_) + { + cresc_->set_bound (RIGHT, script_); + add_bound_item (line_spanner_, script_); + } + + finished_cresc_ = cresc_; + cresc_ = 0; + current_cresc_ev_ = 0; } - else + else if (accepted_spanreqs_drul_[STOP]) { - assert (!finished_cresc_p_); - Score_element* cc = unsmob_element (get_property ("currentMusicalColumn")); - - cresc_p_->set_bound (RIGHT, cc); - - finished_cresc_p_ = cresc_p_; - cresc_p_ = 0; - current_cresc_req_ = 0; + accepted_spanreqs_drul_[STOP]->origin ()->warning (_ ("can't find start of (de)crescendo")); + stop_ev = 0; } } if (accepted_spanreqs_drul_[START]) { - if (current_cresc_req_) + if (current_cresc_ev_) { - accepted_spanreqs_drul_[START]->origin ()->warning - (current_cresc_req_->get_span_dir() == 1 - ? _ ("already have a crescendo") - : _ ("already have a decrescendo")); + String msg = _ ("already have a decrescendo"); + 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 starts here")); } else { - current_cresc_req_ = accepted_spanreqs_drul_[START]; + current_cresc_ev_ = accepted_spanreqs_drul_[START]; + + if (Direction d = to_dir (current_cresc_ev_->get_property ("direction"))) + set_grob_direction (line_spanner_, d); /* TODO: Use symbols. - */ + */ - String start_type = ly_scm2string (accepted_spanreqs_drul_[START]->get_mus_property ("span-type")); + String start_type + = ly_symbol2string (current_cresc_ev_->get_property ("name")); /* ugh. Use push/pop? - */ - SCM s = get_property ((start_type + "Spanner").ch_C()); - if (!gh_string_p (s) || ly_scm2string (s) == "hairpin") + */ + if (start_type == "DecrescendoEvent") + 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_p_ = new Spanner (get_property ("Crescendo")); - cresc_p_->set_elt_property ("grow-direction", - gh_int2scm ((start_type == "crescendo") - ? BIGGER : SMALLER)); - + cresc_ = make_spanner ("Hairpin", accepted_spanreqs_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)); } + /* This is a convenient (and legacy) interface to TextSpanners for use in (de)crescendi. Hmm. - */ + */ else { - cresc_p_ = new Spanner (get_property ("TextSpanner")); - cresc_p_->set_elt_property ("type", s); - daddy_trans_l_->set_property (start_type - + "Spanner", SCM_UNDEFINED); - s = get_property ((start_type + "Text").ch_C()); - if (gh_string_p (s)) + cresc_ = make_spanner ("DynamicTextSpanner", accepted_spanreqs_drul_[START]->self_scm ()); + cresc_->set_property ("style", s); + context ()->set_property ((start_type + + "Spanner").to_str0 (), SCM_EOL); + s = get_property ((start_type + "Text").to_str0 ()); + /* + FIXME: use get_markup () to check type. + */ + if (scm_is_string (s) || scm_is_pair (s)) { - cresc_p_->set_elt_property ("edge-text", - gh_cons (s, ly_str02scm (""))); - daddy_trans_l_->set_property (start_type + "Text", - SCM_UNDEFINED); + cresc_->set_property ("edge-text", + scm_cons (s, scm_makfrom0str (""))); + context ()->set_property ((start_type + "Text").to_str0 (), + SCM_EOL); } } - cresc_p_->set_bound (LEFT, script_p_ - ? script_p_ - : unsmob_element (get_property ("currentMusicalColumn"))); - - Axis_group_interface::add_element (line_spanner_, cresc_p_); - announce_element (cresc_p_, accepted_spanreqs_drul_[START]); + + if (script_) + { + cresc_->set_bound (LEFT, script_); + add_bound_item (line_spanner_, cresc_->get_bound (LEFT)); + } + + Axis_group_interface::add_element (line_spanner_, cresc_); } } - script_req_l_ = 0; - accepted_spanreqs_drul_[START] = 0; - accepted_spanreqs_drul_[STOP] = 0; } void -Dynamic_engraver::do_pre_move_processing () +Dynamic_engraver::stop_translation_timestep () { typeset_all (); -} + if (!current_cresc_ev_) + { + finished_line_spanner_ = line_spanner_; + line_spanner_ = 0; + typeset_all (); + } -void -Dynamic_engraver::process_acknowledged () -{ - deprecated_process_music (); + 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; } void -Dynamic_engraver::do_removal_processing () +Dynamic_engraver::finalize () { typeset_all (); + + if (line_spanner_ + && !line_spanner_->is_live ()) + line_spanner_ = 0; if (line_spanner_) { finished_line_spanner_ = line_spanner_; typeset_all (); } - if (cresc_p_) + if (cresc_ + && !cresc_->is_live ()) + cresc_ = 0; + if (cresc_) { - current_cresc_req_->origin ()->warning (_ ("unterminated (de)crescendo")); - cresc_p_->suicide (); - cresc_p_ = 0; + current_cresc_ev_->origin ()->warning (_ ("unterminated (de)crescendo")); + cresc_->suicide (); + cresc_ = 0; } } void Dynamic_engraver::typeset_all () -{ - if (finished_cresc_p_) - { - finished_cresc_p_->set_bound (RIGHT, script_p_ - ? script_p_ - : unsmob_element (get_property ("currentMusicalColumn"))); - - typeset_element (finished_cresc_p_); - finished_cresc_p_ =0; - } - - if (script_p_) +{ + if (finished_cresc_) { - typeset_element (script_p_); - script_p_ = 0; + if (!finished_cresc_->get_bound (RIGHT)) + { + 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; } + + script_ = 0; if (finished_line_spanner_) { - Side_position::add_staff_support (finished_line_spanner_); - extend_spanner_over_elements (finished_line_spanner_); - typeset_element (finished_line_spanner_); + /* + We used to have + + 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 + entire staff. + + */ + + 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) + finished_line_spanner_->set_bound (LEFT, r); + else if (!r && !l) + { + /* + 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); + finished_line_spanner_->set_bound (RIGHT, ci); + finished_line_spanner_->set_bound (LEFT, ci); + } + finished_line_spanner_ = 0; } } void -Dynamic_engraver::acknowledge_element (Score_element_info i) +Dynamic_engraver::acknowledge_grob (Grob_info info) { - if (Note_column::has_interface (i.elem_l_)) + if (!line_spanner_) + return; + + if (Note_column::has_interface (info.grob_)) { - if (line_spanner_) + 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_)); + } + + if (script_ && !script_->get_parent (X_AXIS)) { - Side_position::add_support (line_spanner_,i.elem_l_); - add_bound_item (line_spanner_,dynamic_cast(i.elem_l_)); + SCM head = scm_last_pair (info.grob_->get_property ("note-heads")); + if (scm_is_pair (head)) + script_->set_parent (unsmob_grob (scm_car (head)), X_AXIS); + } + + if (cresc_) + { + if (!cresc_->get_bound (LEFT)) + { + cresc_->set_bound (LEFT, info.grob_); + add_bound_item (line_spanner_, cresc_->get_bound (LEFT)); + } + } + + if (finished_cresc_ && !finished_cresc_->get_bound (RIGHT)) + { + finished_cresc_->set_bound (RIGHT, info.grob_); } } + + 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_); + } } + +ADD_TRANSLATOR (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", + /* reads */ "", + /* write */ "");