X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fdynamic-engraver.cc;h=ca58662b9f3223640c15479157ad26eb432ed268;hb=1f0d3e5ed0e3b1f0a21a7d64e5b9c7e27bba4f5a;hp=7ca99417dd0cf0c46f2eb405dad0f227223696a2;hpb=1d0c1b5899beabc7bc8a1f7b75a3387de08b9e92;p=lilypond.git diff --git a/lily/dynamic-engraver.cc b/lily/dynamic-engraver.cc index 7ca99417dd..ca58662b9f 100644 --- a/lily/dynamic-engraver.cc +++ b/lily/dynamic-engraver.cc @@ -3,427 +3,453 @@ source file of the GNU LilyPond music typesetter - (c) 1997--2000 Han-Wen Nienhuys + (c) 1997--2002 Han-Wen Nienhuys */ -#include "debug.hh" +#include "warn.hh" #include "dimensions.hh" -#include "dimension-cache.hh" -#include "crescendo.hh" -#include "musical-request.hh" -#include "lookup.hh" -#include "paper-def.hh" +#include "hairpin.hh" +#include "event.hh" #include "paper-column.hh" -#include "staff-symbol.hh" #include "note-column.hh" -#include "text-item.hh" +#include "item.hh" #include "side-position-interface.hh" #include "engraver.hh" -#include "stem.hh" -#include "note-head.hh" #include "group-interface.hh" #include "directional-element-interface.hh" -#include "staff-symbol-referencer.hh" #include "translator-group.hh" #include "axis-group-interface.hh" - +#include "script.hh" /* TODO: - * direction of text-dynamic-request if not equalt to direction - of line-spanner - - * FIXME: this has gotten a bit too hairy. - */ + * direction of text-dynamic-event if not equal to direction of + line-spanner -class Dynamic_line_spanner : public Spanner -{ -public: - Dynamic_line_spanner (); - VIRTUAL_COPY_CONS(Score_element); - void add_column (Note_column*); - void add_element (Score_element*); -}; + - TODO: this engraver is too complicated. We should split it into + the handling of the basic grobs and the linespanner -Dynamic_line_spanner::Dynamic_line_spanner () -{ - set_elt_property ("transparent", SCM_BOOL_T); - side_position (this).set_axis (Y_AXIS); - Axis_group_interface (this).set_interface (); - Axis_group_interface (this).set_axes (X_AXIS, Y_AXIS); -} + - TODO: the line-spanner is not killed after the (de)crescs are + finished. -void -Dynamic_line_spanner::add_column (Note_column* n) -{ - if (!get_bound (LEFT)) - set_bound (LEFT, n); - else - set_bound (RIGHT, n); - - add_dependency (n); -} - - -void -Dynamic_line_spanner::add_element (Score_element* e) -{ - e->set_parent (this, Y_AXIS); - Axis_group_interface (this).add_element (e); -} +*/ /** print text & hairpin dynamics. */ class Dynamic_engraver : public Engraver { - Text_item * text_p_; - Crescendo * finished_cresc_p_; - Crescendo * cresc_p_; + Item * script_; + Spanner * finished_cresc_; + Spanner * cresc_; - Text_script_req* text_req_l_; - Span_req * span_start_req_l_; - Drul_array span_req_l_drul_; + Music* script_ev_; + + Music * current_cresc_ev_; + Drul_array accepted_spanreqs_drul_; - Dynamic_line_spanner* line_spanner_; - Dynamic_line_spanner* finished_line_spanner_; - Moment last_request_mom_; + Spanner* line_spanner_; + Spanner* finished_line_spanner_; - Array pending_column_arr_; - Link_array pending_element_arr_; + Link_array pending_columns_; + Link_array pending_elements_; - void typeset_all (); + void typeset_all (); -public: - VIRTUAL_COPY_CONS(Translator); - Dynamic_engraver (); +TRANSLATOR_DECLARATIONS(Dynamic_engraver ); protected: - void announce_element (Score_element_info); - - virtual void do_removal_processing (); - virtual void acknowledge_element (Score_element_info); - virtual bool do_try_music (Music *req_l); - virtual void do_process_music (); - virtual void do_pre_move_processing (); - 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 (); + virtual void start_translation_timestep (); }; -ADD_THIS_TRANSLATOR (Dynamic_engraver); -void -Dynamic_engraver::announce_element (Score_element_info i) -{ - group (i.elem_l_, "interfaces").add_thing (ly_symbol2scm ("dynamic")); - - Engraver::announce_element (i); -} Dynamic_engraver::Dynamic_engraver () { - text_p_ = 0; - finished_cresc_p_ = 0; + script_ = 0; + finished_cresc_ = 0; line_spanner_ = 0; finished_line_spanner_ = 0; - span_start_req_l_ = 0; - cresc_p_ =0; + current_cresc_ev_ = 0; + cresc_ =0; - text_req_l_ = 0; - span_req_l_drul_[START] = 0; - span_req_l_drul_[STOP] = 0; + script_ev_ = 0; + accepted_spanreqs_drul_[START] = 0; + accepted_spanreqs_drul_[STOP] = 0; } void -Dynamic_engraver::do_post_move_processing () +Dynamic_engraver::start_translation_timestep () { - text_req_l_ = 0; - span_req_l_drul_[START] = 0; - span_req_l_drul_[STOP] = 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 (Text_script_req* d = dynamic_cast (m)) + if (m->is_mus_type ("absolute-dynamic-event")) { - if (d->style_str_ == "dynamic") - { - text_req_l_ = d; - return true; - } + /* + TODO: probably broken. + */ + script_ev_ = m; + return true; } - else if (Span_req* s = dynamic_cast (m)) + else if (m->is_mus_type ("abort-event")) { - if ((s->span_type_str_ == "crescendo" - || s->span_type_str_ == "decrescendo")) - { - span_req_l_drul_[s->span_dir_] = s; - return true; - } + accepted_spanreqs_drul_[LEFT] = 0; + accepted_spanreqs_drul_[RIGHT] = 0; + /* + Let's not kill the line spanner, since that would fuck up + earlier, not-to-be-terminated stuff. + + It will disappear by itself when stop_translation_timestep + () finds that there is nothing to support anymore. */ + + if (cresc_) + cresc_->suicide (); + cresc_ = 0; + } + else if (m->is_mus_type ("decrescendo-event") + || m->is_mus_type ("crescendo-event")) + { + Direction d = to_dir (m->get_mus_property ("span-direction")); + accepted_spanreqs_drul_[d] = m; + return true; } return false; } void -Dynamic_engraver::do_process_music () +Dynamic_engraver::process_music () { - if ((span_req_l_drul_[START] || span_req_l_drul_[STOP] || text_req_l_) - && !line_spanner_ - && pending_element_arr_.size ()) + if (accepted_spanreqs_drul_[START] || accepted_spanreqs_drul_[STOP] || script_ev_) { - line_spanner_ = new Dynamic_line_spanner; - for (int i = 0; i < pending_column_arr_.size (); i++) - line_spanner_->add_column (pending_column_arr_[i]); - pending_column_arr_.clear (); - announce_element (Score_element_info - (line_spanner_, - text_req_l_ ? text_req_l_ : span_req_l_drul_[START])); + if (!line_spanner_) + { + line_spanner_ = new Spanner (get_property ("DynamicLineSpanner")); + Music * rq = accepted_spanreqs_drul_[START]; + if (script_ev_) + rq = script_ev_ ; + announce_grob(line_spanner_, rq ? rq->self_scm(): SCM_EOL); + } } + + /* + During a (de)crescendo, pending event will not be cleared, + and a line-spanner will always be created, as \< \! are already + two events. - if (line_spanner_ && pending_element_arr_.size ()) - { - for (int i = 0; i < pending_element_arr_.size (); i++) - line_spanner_->add_element (pending_element_arr_[i]); - pending_element_arr_.clear (); - } + Note: line-spanner must always have at least same duration + as (de)crecsendo, b.o. line-breaking. + */ + + /* - TODO: This should be optionised: - * break when group of dynamic requests ends - * break now (only if no cresc. in progress) - * continue through piece */ - if (span_req_l_drul_[START] || span_req_l_drul_[STOP] || text_req_l_) + maybe we should leave dynamic texts to the text-engraver and + simply acknowledge them? + */ + if (script_ev_) { - last_request_mom_ = now_mom (); - } - else - { - /* - During a (de)crescendo, pending request will not be cleared, - and a line-spanner will always be created, as \< \! are already - two requests. + script_ = new Item (get_property ("DynamicText")); + script_->set_grob_property ("text", + script_ev_->get_mus_property ("text")); - Maybe always creating a line-spanner for a (de)crescendo (see - below) is not a good idea: + + if (Direction d = to_dir (script_ev_->get_mus_property ("direction"))) + Directional_element_interface::set (line_spanner_, d); - a\< b\p \!c + Axis_group_interface::add_element (line_spanner_, script_); - 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? + announce_grob(script_, script_ev_->self_scm()); + } + + Music *stop_ev = accepted_spanreqs_drul_ [STOP] ? + accepted_spanreqs_drul_[STOP] : script_ev_; - Urg, but line-spanner must always have at least same duration - as (de)crecsendo, b.o. line-breaking. + if (accepted_spanreqs_drul_[STOP] || script_ev_) + { + /* + finish side position alignment if the (de)cresc ends here, and + there are no new dynamics. */ - if (now_mom () > last_request_mom_ && !span_start_req_l_) + + + if (cresc_) { - for (int i = 0; i < pending_element_arr_.size (); i++) - { - Score_element* e = pending_element_arr_[i]; - side_position (e).set_axis (Y_AXIS); - side_position (e).add_staff_support (); + assert (!finished_cresc_ && cresc_); - /* - UGH UGH - */ - Direction d = directional_element (e).get (); - if (!d) - { - SCM s = get_property ("dynamicDirection"); - if (!isdir_b (s)) - s = get_property ("verticalDirection"); - if (isdir_b (s)) - d = to_dir (s); - directional_element (e).set (d); - } + cresc_->set_bound (RIGHT, script_ + ? script_ + : unsmob_grob (get_property ("currentMusicalColumn"))); + add_bound_item (line_spanner_, cresc_->get_bound (RIGHT)); - SCM s = get_property ("dynamicPadding"); - if (gh_number_p (s)) - e->set_elt_property ("padding", s); - s = get_property ("dynamicMinimumSpace"); - if (gh_number_p (s)) - e->set_elt_property ("minimum-space", s); - } - pending_element_arr_.clear (); - if (line_spanner_) - { - for (int i = 0; i < pending_column_arr_.size (); i++) - line_spanner_->add_column (pending_column_arr_[i]); - pending_column_arr_.clear (); - finished_line_spanner_ = line_spanner_; - line_spanner_ = 0; - } - } - } - - if (text_req_l_) - { - String loud = text_req_l_->text_str_; - - text_p_ = new Text_item; - text_p_->set_elt_property ("text", - ly_str02scm (loud.ch_C ())); - text_p_->set_elt_property ("style", gh_str02scm ("dynamic")); - text_p_->set_elt_property ("script-priority", - gh_int2scm (100)); - if (Direction d=text_req_l_->get_direction ()) - directional_element (text_p_).set (d); - pending_element_arr_.push (text_p_); - text_p_->set_elt_property ("self-alignment-Y", gh_int2scm (0)); - text_p_->add_offset_callback (Side_position_interface::aligned_on_self, - Y_AXIS); - announce_element (Score_element_info (text_p_, text_req_l_)); - } - if (span_req_l_drul_[STOP]) - { - if (!cresc_p_) - { - span_req_l_drul_[STOP]->warning - (_ ("can't find start of (de)crescendo")); + finished_cresc_ = cresc_; + cresc_ = 0; + current_cresc_ev_ = 0; } - else + else if (accepted_spanreqs_drul_[STOP] ) { - assert (!finished_cresc_p_); - cresc_p_->set_bound (RIGHT, get_staff_info ().musical_pcol_l ()); - finished_cresc_p_ = cresc_p_; - cresc_p_ = 0; - span_start_req_l_ = 0; + accepted_spanreqs_drul_[STOP]->origin ()->warning(_ ("can't find start of (de)crescendo")); + stop_ev = 0; } + } - - if (span_req_l_drul_[START]) + + if (accepted_spanreqs_drul_[START]) { - if (span_start_req_l_) + if (current_cresc_ev_) { - span_req_l_drul_[START]->warning - (span_start_req_l_->span_dir_ == 1 - ? - _ ("already have a crescendo") - : _ ("already have a decrescendo")); + Direction sd = to_dir (current_cresc_ev_->get_mus_property ("span-direction")); + String msg = sd == 1 + ? _ ("already have a crescendo") + : _ ("already have a decrescendo"); + + accepted_spanreqs_drul_[START]->origin ()->warning (msg); + current_cresc_ev_->origin ()->warning (_("Cresc started here")); } else { - span_start_req_l_ = span_req_l_drul_[START]; - cresc_p_ = new Crescendo; - cresc_p_->set_elt_property - ("grow-direction", - gh_int2scm ((span_req_l_drul_[START]->span_type_str_ == "crescendo") - ? BIGGER : SMALLER)); - - SCM s = get_property (span_req_l_drul_[START]->span_type_str_ + "Text"); - if (gh_string_p (s)) - { - cresc_p_->set_elt_property ("start-text", s); - daddy_trans_l_->set_property (span_req_l_drul_[START]->span_type_str_ - + "Text", SCM_UNDEFINED); - } - - s = get_property (span_req_l_drul_[START]->span_type_str_ + "Spanner"); - if (gh_string_p (s)) //&& ly_scm2string (s) != "hairpin") - { - cresc_p_->set_elt_property ("spanner", s); - daddy_trans_l_->set_property (span_req_l_drul_[START]->span_type_str_ - + "Spanner", SCM_UNDEFINED); - } + current_cresc_ev_ = accepted_spanreqs_drul_[START]; - cresc_p_->set_bound (LEFT, get_staff_info ().musical_pcol_l ()); + if (Direction d = to_dir (current_cresc_ev_->get_mus_property ("direction"))) + Directional_element_interface::set (line_spanner_, d); + /* + TODO: Use symbols. + */ - /* - We know how wide the text is, if we can be sure that the - text already has relevant pointers into the paperdef, - and it has its font-size property set. - - Since font-size may be set by a context higher up, we - can not be sure of the size. - + String start_type = + ly_symbol2string (current_cresc_ev_->get_mus_property ("name")); - We shouldn't try to do this stuff here, the Item should - do it when the score is finished. We could maybe - set a callback to have the Item do the alignment if - it is not a special symbol, like Crescendo. + /* + ugh. Use push/pop? */ + 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 (!gh_symbol_p (s) || s == ly_symbol2scm ("hairpin")) + { + cresc_ = new Spanner (get_property ("Hairpin")); + cresc_->set_grob_property ("grow-direction", + gh_int2scm ((start_type == "crescendo") + ? BIGGER : SMALLER)); + + } - - if (text_p_) + + /* + This is a convenient (and legacy) interface to TextSpanners + for use in (de)crescendi. + Hmm. + */ + else { - index_set_cell (cresc_p_->get_elt_property ("dynamic-drul"), - LEFT, SCM_BOOL_T); - if (finished_cresc_p_) - index_set_cell (finished_cresc_p_->get_elt_property ("dynamic-drul"), - RIGHT, SCM_BOOL_T); + cresc_ = new Spanner (get_property ("TextSpanner")); + cresc_->set_grob_property ("type", s); + daddy_trans_->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 (gh_string_p (s) || gh_pair_p (s)) + { + cresc_->set_grob_property ("edge-text", + gh_cons (s, scm_makfrom0str (""))); + daddy_trans_->set_property ((start_type + "Text").to_str0 (), + SCM_EOL); + } } - pending_element_arr_.push (cresc_p_); - cresc_p_->set_elt_property ("self-alignment-Y", gh_int2scm (0)); - cresc_p_->add_offset_callback - (Side_position_interface::aligned_on_self, Y_AXIS); - announce_element (Score_element_info (cresc_p_, span_req_l_drul_[START])); + + cresc_->set_bound (LEFT, script_ + ? script_ + : unsmob_grob (get_property ("currentMusicalColumn"))); + + Axis_group_interface::add_element (line_spanner_, cresc_); + + add_bound_item (line_spanner_, cresc_->get_bound (LEFT)); + + announce_grob(cresc_, accepted_spanreqs_drul_[START]->self_scm()); } } } 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::do_removal_processing () +Dynamic_engraver::finalize () { - if (cresc_p_) - { - typeset_element (cresc_p_ ); - span_start_req_l_->warning (_ ("unterminated (de)crescendo")); - cresc_p_ =0; - } typeset_all (); + + if (line_spanner_ + && !line_spanner_->live()) + line_spanner_ = 0; if (line_spanner_) { - side_position (line_spanner_).add_staff_support (); - typeset_element (line_spanner_); - line_spanner_ = 0; + finished_line_spanner_ = line_spanner_; + typeset_all (); + } + + if (cresc_ + && !cresc_->live()) + cresc_ = 0; + if (cresc_) + { + current_cresc_ev_->origin ()->warning (_ ("unterminated (de)crescendo")); + cresc_->suicide (); + cresc_ = 0; } } void Dynamic_engraver::typeset_all () { - if (finished_cresc_p_) + /* + remove suicided spanners, + ugh: we'll need this for every spanner, beam, slur + Hmm, how to do this, cleanly? + Maybe just check at typeset_grob ()? + */ + if (finished_cresc_ + && !finished_cresc_->live()) + finished_cresc_ = 0; + if (finished_line_spanner_ + && !finished_line_spanner_->live()) + finished_line_spanner_ = 0; + + if (finished_cresc_) { - typeset_element (finished_cresc_p_); - finished_cresc_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)); + } + typeset_grob (finished_cresc_); + finished_cresc_ =0; } - if (text_p_) + if (script_) { - typeset_element (text_p_); - text_p_ = 0; + typeset_grob (script_); + script_ = 0; } if (finished_line_spanner_) { - side_position (finished_line_spanner_).add_staff_support (); - typeset_element (finished_line_spanner_); + /* To make sure that this works */ + Side_position_interface::add_staff_support (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); + } + + typeset_grob (finished_line_spanner_); finished_line_spanner_ = 0; } } void -Dynamic_engraver::acknowledge_element (Score_element_info i) +Dynamic_engraver::acknowledge_grob (Grob_info i) { - if (Note_column* n = dynamic_cast (i.elem_l_)) + if (!line_spanner_) + return ; + + if (Note_column::has_interface (i.grob_)) { - if (line_spanner_) + if (line_spanner_ + /* Don't refill killed spanner */ + && line_spanner_->live()) { - side_position (line_spanner_).add_support (n); - line_spanner_->add_column (n); + Side_position_interface::add_support (line_spanner_,i.grob_); + add_bound_item (line_spanner_,dynamic_cast (i.grob_)); } - else + + if (script_ && !script_->get_parent (X_AXIS)) { - pending_column_arr_.push (n); + script_->set_parent (i.grob_, X_AXIS); } + + } + else if (Script_interface::has_interface (i.grob_) && script_) + { + SCM p = i.grob_->get_grob_property ("script-priority"); + + /* + UGH. + + DynamicText doesn't really have a script-priority field. + */ + if (gh_number_p (p) + && gh_scm2int (p) < gh_scm2int (script_->get_grob_property ("script-priority"))) + { + Side_position_interface::add_support (line_spanner_, i.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", +/* reads */ "", +/* write */ "");