/*
- dynamic-reg.cc -- implement Dynamic_engraver
+ dynamic-engraver.cc -- implement Dynamic_engraver
source file of the GNU LilyPond music typesetter
- (c) 1997--1998 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
#include "debug.hh"
-#include "crescendo.hh"
-#include "dynamic-engraver.hh"
+#include "dimensions.hh"
+#include "hairpin.hh"
#include "musical-request.hh"
-#include "text-item.hh"
-#include "lookup.hh"
-#include "paper-def.hh"
-#include "score-column.hh"
-#include "staff-sym.hh"
+#include "paper-column.hh"
#include "note-column.hh"
+#include "item.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"
-Dynamic_engraver::Dynamic_engraver()
+
+/*
+ TODO:
+
+ * direction of text-dynamic-request 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_;
+
+ Text_script_req* script_req_l_;
+
+ Span_req * current_cresc_req_;
+ Drul_array<Span_req*> accepted_spanreqs_drul_;
+
+ Spanner* line_spanner_;
+ Spanner* finished_line_spanner_;
+
+ Link_array<Note_column> pending_column_arr_;
+ Link_array<Grob> pending_element_arr_;
+
+ void typeset_all ();
+
+TRANSLATOR_DECLARATIONS(Dynamic_engraver );
+
+protected:
+ virtual void finalize ();
+ virtual void acknowledge_grob (Grob_info);
+ virtual bool try_music (Music *req_l);
+ virtual void stop_translation_timestep ();
+ virtual void process_music ();
+ virtual void start_translation_timestep ();
+};
+
+
+
+
+Dynamic_engraver::Dynamic_engraver ()
{
- do_post_move_processing();
- dir_ = CENTER;
- dynamic_p_ =0;
- to_end_cresc_p_ = cresc_p_ = 0;
- cresc_req_l_ = 0;
+ script_p_ = 0;
+ finished_cresc_p_ = 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;
}
void
-Dynamic_engraver::do_post_move_processing()
+Dynamic_engraver::start_translation_timestep ()
{
- dynamic_req_l_arr_.clear();
+ script_req_l_ = 0;
+ accepted_spanreqs_drul_[START] = 0;
+ accepted_spanreqs_drul_[STOP] = 0;
}
bool
-Dynamic_engraver::do_try_music (Music * r)
+Dynamic_engraver::try_music (Music * m)
{
- if(Dynamic_req * d = dynamic_cast <Dynamic_req *> (r))
+ if (dynamic_cast <Text_script_req*> (m)
+ && m->get_mus_property ("text-type") == ly_symbol2scm ("dynamic"))
{
- for (int i=0; i < dynamic_req_l_arr_.size (); i++)
- if (d->equal_b (dynamic_req_l_arr_[i]))
- return true;
-
- dynamic_req_l_arr_.push (d);
+ script_req_l_ = dynamic_cast<Text_script_req*> (m);
return true;
}
+ else if (Span_req* s = dynamic_cast <Span_req*> (m))
+ {
+ String t = ly_scm2string (s->get_mus_property ("span-type"));
+ if (t== "abort")
+ {
+ 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_p_)
+ cresc_p_->suicide ();
+ cresc_p_ = 0;
+ }
+ else if (t == "crescendo"
+ || t == "decrescendo")
+ {
+ accepted_spanreqs_drul_[s->get_span_dir ()] = s;
+ return true;
+ }
+ }
return false;
}
+
void
-Dynamic_engraver::do_process_requests()
+Dynamic_engraver::process_music ()
{
- Crescendo* new_cresc_p=0;
- for (int i=0; i < dynamic_req_l_arr_.size(); i++)
+ if (accepted_spanreqs_drul_[START] || accepted_spanreqs_drul_[STOP] || script_req_l_)
{
- Dynamic_req *dreq_l = dynamic_req_l_arr_[i];
- if (Absolute_dynamic_req *absd = dynamic_cast<Absolute_dynamic_req *> (dreq_l))
+ if (!line_spanner_)
{
+ line_spanner_ = new Spanner (get_property ("DynamicLineSpanner"));
- if (dynamic_p_)
- {
- dynamic_req_l_arr_[i]->warning (_("Got a dynamic already. Continuing dazed and confused"));
- continue;
- }
-
- Text_def * td_p = new Text_def;
- td_p->align_dir_ = CENTER;
- String loud = absd->loudness_str ();
- td_p->text_str_ = paper ()->lookup_l (0)->dynamic (loud).str_; // ugh
- td_p->style_str_ = "dynamic";
+ Side_position_interface::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_grob (line_spanner_, rq);
+
+
+ }
+ }
+
+ /*
+ During a (de)crescendo, pending request will not be cleared,
+ and a line-spanner will always be created, as \< \! are already
+ two requests.
+
+ 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_)
+ {
+ script_p_ = new Item (get_property ("DynamicText"));
+ script_p_->set_grob_property ("text",
+ script_req_l_->get_mus_property ("text"));
+
+ Side_position_interface::set_direction (script_p_, DOWN);
+
+ if (Direction d = script_req_l_->get_direction ())
+ Directional_element_interface::set (line_spanner_, d);
+
+ Axis_group_interface::add_element (line_spanner_, script_p_);
+
+ announce_grob (script_p_, script_req_l_);
+ }
+
+ if (accepted_spanreqs_drul_[STOP])
+ {
+ /*
+ finish side position alignment if the (de)cresc ends here, and
+ there are no new dynamics.
+ */
+
+ if (!cresc_p_)
+ {
+ accepted_spanreqs_drul_[STOP]->origin ()->warning
+ (_ ("can't find start of (de)crescendo"));
+ accepted_spanreqs_drul_[STOP] = 0;
+ }
+ else
+ {
+ assert (!finished_cresc_p_ && cresc_p_);
+ cresc_p_->set_bound (RIGHT, script_p_
+ ? script_p_
+ : unsmob_grob (get_property ("currentMusicalColumn")));
+ add_bound_item (line_spanner_, cresc_p_->get_bound (RIGHT));
- dynamic_p_ = new Text_item (td_p);
- announce_element (Score_element_info (dynamic_p_, dreq_l));
+ finished_cresc_p_ = cresc_p_;
+ cresc_p_ = 0;
+ current_cresc_req_ = 0;
}
- else if (Span_dynamic_req *span_l = dynamic_cast <Span_dynamic_req *> (dreq_l))
+ }
+
+ if (accepted_spanreqs_drul_[START])
+ {
+ if (current_cresc_req_)
{
- if (span_l->spantype == Span_req::STOP)
+ accepted_spanreqs_drul_[START]->origin ()->warning
+ (current_cresc_req_->get_span_dir () == 1
+ ? _ ("already have a crescendo")
+ : _ ("already have a decrescendo"));
+ }
+ else
+ {
+ current_cresc_req_ = accepted_spanreqs_drul_[START];
+
+ /*
+ TODO: Use symbols.
+ */
+
+ String start_type = ly_scm2string (accepted_spanreqs_drul_[START]->get_mus_property ("span-type"));
+
+ /*
+ ugh. Use push/pop?
+ */
+ SCM s = get_property ((start_type + "Spanner").ch_C ());
+ if (!gh_symbol_p (s) || s == ly_symbol2scm ("hairpin"))
{
- if (!cresc_p_)
- {
- span_l->warning (_ ("can't find (de)crescendo to end"));
- }
- else
- {
- assert (!to_end_cresc_p_);
- to_end_cresc_p_ =cresc_p_;
- cresc_p_ = 0;
- }
+ cresc_p_ = new Spanner (get_property ("Hairpin"));
+ cresc_p_->set_grob_property ("grow-direction",
+ gh_int2scm ((start_type == "crescendo")
+ ? BIGGER : SMALLER));
+
}
- else if (span_l->spantype == Span_req::START)
+ /*
+ This is a convenient (and legacy) interface to TextSpanners
+ for use in (de)crescendi.
+ Hmm.
+ */
+ else
{
- cresc_req_l_ = span_l;
- assert (!new_cresc_p);
- new_cresc_p = new Crescendo;
- new_cresc_p->grow_dir_ = span_l->dynamic_dir_;
- announce_element (Score_element_info (new_cresc_p, span_l));
+ cresc_p_ = new Spanner (get_property ("TextSpanner"));
+ cresc_p_->set_interface (ly_symbol2scm ("dynamic-interface"));
+ cresc_p_->set_grob_property ("type", s);
+
+ daddy_trans_l_->set_property ((start_type
+ + "Spanner").ch_C(), SCM_UNDEFINED);
+ s = get_property ((start_type + "Text").ch_C ());
+ /*
+ FIXME: use markup_p () to check type.
+ */
+ if (gh_string_p (s) || gh_pair_p (s))
+ {
+ cresc_p_->set_grob_property ("edge-text",
+ gh_cons (s, ly_str02scm ("")));
+ daddy_trans_l_->set_property ((start_type + "Text").ch_C(),
+ SCM_UNDEFINED);
+ }
}
+
+ cresc_p_->set_bound (LEFT, script_p_
+ ? script_p_
+ : unsmob_grob (get_property ("currentMusicalColumn")));
+
+ Axis_group_interface::add_element (line_spanner_, cresc_p_);
+
+ add_bound_item (line_spanner_, cresc_p_->get_bound (LEFT));
+
+ announce_grob (cresc_p_, accepted_spanreqs_drul_[START]);
}
}
+}
- if (new_cresc_p)
+void
+Dynamic_engraver::stop_translation_timestep ()
+{
+ typeset_all ();
+ if (script_req_l_ && !current_cresc_req_)
{
- if (cresc_p_)
- {
- ::warning (_ ("Too many crescendi here"));
- typeset_element (cresc_p_);
- cresc_p_ = 0;
- }
-
- cresc_p_ = new_cresc_p;
- cresc_p_->set_bounds(LEFT,get_staff_info().musical_l ());
- if (dynamic_p_)
- {
- cresc_p_->dyn_b_drul_[LEFT] = true;
- }
+ finished_line_spanner_ = line_spanner_;
+ line_spanner_ =0;
+ typeset_all ();
}
}
void
-Dynamic_engraver::do_pre_move_processing()
+Dynamic_engraver::finalize ()
{
- Staff_symbol* s_l = get_staff_info().staff_sym_l_;
- if (to_end_cresc_p_)
+ typeset_all ();
+
+ if (line_spanner_
+ && line_spanner_->immutable_property_alist_ == SCM_EOL)
+ line_spanner_ = 0;
+ if (line_spanner_)
{
- if (dynamic_p_)
- to_end_cresc_p_->dyn_b_drul_[RIGHT]=true;
-
-
- Scalar prop = get_property ("dynamicdir");
- if (prop.isnum_b ())
- {
- to_end_cresc_p_->dir_ = (Direction) (int) prop;
- }
- to_end_cresc_p_->set_bounds(RIGHT,get_staff_info().musical_l ());
- to_end_cresc_p_->add_support (s_l);
- typeset_element (to_end_cresc_p_);
- to_end_cresc_p_ = 0;
+ finished_line_spanner_ = line_spanner_;
+ typeset_all ();
}
- if (dynamic_p_)
+
+ if (cresc_p_
+ && cresc_p_->immutable_property_alist_ == SCM_EOL)
+ cresc_p_ = 0;
+ if (cresc_p_)
{
- Scalar prop = get_property ("dynamicdir");
- if (prop.isnum_b ())
- {
- dynamic_p_->dir_ = (Direction) (int) prop;
- }
-
- dynamic_p_->add_support (s_l);
- typeset_element (dynamic_p_);
- dynamic_p_ = 0;
+ current_cresc_req_->origin ()->warning (_ ("unterminated (de)crescendo"));
+ cresc_p_->suicide ();
+ cresc_p_ = 0;
}
}
-
-
-ADD_THIS_TRANSLATOR(Dynamic_engraver);
-
void
-Dynamic_engraver::do_removal_processing ()
-{
- if (cresc_p_)
+Dynamic_engraver::typeset_all ()
+{
+ /*
+ 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_p_
+ && finished_cresc_p_->immutable_property_alist_ == SCM_EOL)
+ finished_cresc_p_ = 0;
+ if (finished_line_spanner_
+ && finished_line_spanner_->immutable_property_alist_ == SCM_EOL)
+ finished_line_spanner_ = 0;
+
+ if (finished_cresc_p_)
{
- typeset_element (cresc_p_ );
-
- cresc_req_l_->warning (_ ("unended crescendo"));
- cresc_p_ =0;
+ if (!finished_cresc_p_->get_bound (RIGHT))
+ {
+ finished_cresc_p_->set_bound (RIGHT, script_p_
+ ? script_p_
+ : unsmob_grob (get_property ("currentMusicalColumn")));
+
+ if (finished_line_spanner_)
+ add_bound_item (finished_line_spanner_,
+ finished_cresc_p_->get_bound (RIGHT));
+ }
+ typeset_grob (finished_cresc_p_);
+ finished_cresc_p_ =0;
}
- if (to_end_cresc_p_)
+
+ if (script_p_)
{
- typeset_element (to_end_cresc_p_);
- to_end_cresc_p_ =0;
+ typeset_grob (script_p_);
+ script_p_ = 0;
}
- if (dynamic_p_)
+ if (finished_line_spanner_)
{
- typeset_element (dynamic_p_);
- dynamic_p_ =0;
+ /* 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<Item*>(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 (dynamic_cast<Note_column *> (i.elem_l_))
+ if (Note_column::has_interface (i.grob_l_))
{
- if (dynamic_p_)
- dynamic_p_->add_support (i.elem_l_);
-
- if (to_end_cresc_p_)
- to_end_cresc_p_->add_support (i.elem_l_);
-
- if (cresc_p_)
- cresc_p_->add_support (i.elem_l_);
+ if (line_spanner_
+ /* Don't refill killed spanner */
+ && line_spanner_->immutable_property_alist_ != SCM_EOL)
+ {
+ Side_position_interface::add_support (line_spanner_,i.grob_l_);
+ add_bound_item (line_spanner_,dynamic_cast<Item*> (i.grob_l_));
+ }
}
}
+ENTER_DESCRIPTION(Dynamic_engraver,
+/* descr */ "",
+/* creats*/ "DynamicLineSpanner DynamicText Hairpin TextSpanner",
+/* acks */ "note-column-interface",
+/* reads */ "",
+/* write */ "");
projects / lilypond.git / blobdiff