/*
- 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--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
#include "debug.hh"
+#include "dimensions.hh"
#include "crescendo.hh"
-#include "dynamic-engraver.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
+*/
+
+/**
+ print text & hairpin dynamics.
+ */
+class Dynamic_engraver : public Engraver
+{
+ Item * text_p_;
+ Spanner * finished_cresc_p_;
+ Spanner * cresc_p_;
+
+ Text_script_req* text_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<Score_element> pending_element_arr_;
+
+ void typeset_all ();
+
+public:
+ VIRTUAL_COPY_CONS(Translator);
+ Dynamic_engraver ();
+
+protected:
+ 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 ();
+};
+
+ADD_THIS_TRANSLATOR (Dynamic_engraver);
+
+
+Dynamic_engraver::Dynamic_engraver ()
{
- do_post_move_processing();
- dir_ = CENTER;
- dynamic_p_ =0;
- to_end_cresc_p_ = cresc_p_ = 0;
- cresc_req_l_ = 0;
+ text_p_ = 0;
+ finished_cresc_p_ = 0;
+ line_spanner_ = 0;
+ finished_line_spanner_ = 0;
+ current_cresc_req_ = 0;
+ cresc_p_ =0;
+
+ text_req_l_ = 0;
+ accepted_spanreqs_drul_[START] = 0;
+ accepted_spanreqs_drul_[STOP] = 0;
}
void
-Dynamic_engraver::do_post_move_processing()
+Dynamic_engraver::do_post_move_processing ()
{
- dynamic_req_l_arr_.clear();
+ text_req_l_ = 0;
+ accepted_spanreqs_drul_[START] = 0;
+ accepted_spanreqs_drul_[STOP] = 0;
}
bool
-Dynamic_engraver::do_try_request (Request * r)
+Dynamic_engraver::do_try_music (Music * m)
{
- if(Dynamic_req * d = dynamic_cast <Dynamic_req *> (r))
+ if (Text_script_req* d = dynamic_cast <Text_script_req*> (m))
{
- for (int i=0; i < dynamic_req_l_arr_.size (); i++)
- if (d->equal_b (dynamic_req_l_arr_[i]))
+ if (d->style_str_ == "dynamic")
+ {
+ text_req_l_ = d;
return true;
-
- dynamic_req_l_arr_.push (d);
- return true;
+ }
+ }
+ else if (Span_req* s = dynamic_cast <Span_req*> (m))
+ {
+ if ((s->span_type_str_ == "crescendo"
+ || s->span_type_str_ == "decrescendo"))
+ {
+ accepted_spanreqs_drul_[s->span_dir_] = s;
+ return true;
+ }
}
return false;
}
+
void
-Dynamic_engraver::do_process_requests()
+Dynamic_engraver::do_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] || text_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 ("basicDynamicLineSpannerProperties"));
- 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::set_axis (line_spanner_, Y_AXIS);
+ Axis_group_interface::set_interface (line_spanner_);
+ Axis_group_interface::set_axes (line_spanner_, Y_AXIS, Y_AXIS);
+ announce_element (line_spanner_,
+ text_req_l_ ? text_req_l_ : accepted_spanreqs_drul_[START]);
-
+ }
+ }
+
+ /*
+ TODO: should finish and create new spanner if vertical dyn-direction is changed.
+ */
+ else if (!accepted_spanreqs_drul_[START] && !text_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?
- dynamic_p_ = new Text_item (td_p);
- announce_element (Score_element_info (dynamic_p_, dreq_l));
+ Urg, but line-spanner must always have at least same duration
+ as (de)crecsendo, b.o. line-breaking.
+ */
+
+
+ if (text_req_l_)
+ {
+ String loud = text_req_l_->text_str_;
+
+ text_p_ = new Item (get_property ("basicDynamicTextProperties"));
+ text_p_->set_elt_property ("text", ly_str02scm (loud.ch_C ()));
+ if (Direction d=text_req_l_->get_direction ())
+ Directional_element_interface (line_spanner_).set (d);
+
+ Axis_group_interface::add_element (line_spanner_, text_p_);
+
+ text_p_->add_offset_callback (Side_position::aligned_on_self,
+ Y_AXIS);
+ announce_element (text_p_, text_req_l_);
+ }
+
+ if (accepted_spanreqs_drul_[STOP])
+ {
+ if (!cresc_p_)
+ {
+ accepted_spanreqs_drul_[STOP]->origin ()->warning
+ (_ ("can't find start of (de)crescendo"));
}
- else if (Span_dynamic_req *span_l = dynamic_cast <Span_dynamic_req *> (dreq_l))
+ else
{
- if (span_l->spantype == Span_req::STOP)
- {
- 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;
- }
- }
- else if (span_l->spantype == Span_req::START)
- {
- 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));
- }
+ assert (!finished_cresc_p_);
+ cresc_p_->set_bound (RIGHT, unsmob_element (get_property ("currentMusicalColumn")));
+ finished_cresc_p_ = cresc_p_;
+ cresc_p_ = 0;
+ current_cresc_req_ = 0;
}
}
- if (new_cresc_p)
+ if (accepted_spanreqs_drul_[START])
{
- if (cresc_p_)
+ if (current_cresc_req_)
{
- ::warning (_ ("Too many crescendi here"));
- typeset_element (cresc_p_);
- cresc_p_ = 0;
+ accepted_spanreqs_drul_[START]->origin ()->warning
+ (current_cresc_req_->span_dir_ == 1
+ ?
+ _ ("already have a crescendo")
+ : _ ("already have a decrescendo"));
}
-
- cresc_p_ = new_cresc_p;
- cresc_p_->set_bounds(LEFT,get_staff_info().musical_l ());
- if (dynamic_p_)
+ else
{
- cresc_p_->dyn_b_drul_[LEFT] = true;
+ current_cresc_req_ = accepted_spanreqs_drul_[START];
+ cresc_p_ = new Spanner (get_property ("basicCrescendoProperties"));
+ Crescendo::set_interface (cresc_p_);
+ cresc_p_->set_elt_property
+ ("grow-direction",
+ gh_int2scm ((accepted_spanreqs_drul_[START]->span_type_str_ == "crescendo")
+ ? BIGGER : SMALLER));
+
+ SCM s = get_property ((accepted_spanreqs_drul_[START]->span_type_str_ + "Text").ch_C());
+ if (gh_string_p (s))
+ {
+ cresc_p_->set_elt_property ("start-text", s);
+ daddy_trans_l_->set_property (accepted_spanreqs_drul_[START]->span_type_str_
+ + "Text", SCM_UNDEFINED);
+ }
+
+ s = get_property ((accepted_spanreqs_drul_[START]->span_type_str_ + "Spanner").ch_C());
+
+
+ /*
+ TODO: Use symbols.
+ */
+ if (gh_string_p (s)) //&& ly_scm2string (s) != "hairpin")
+ {
+ cresc_p_->set_elt_property ("spanner", s);
+ daddy_trans_l_->set_property (accepted_spanreqs_drul_[START]->span_type_str_
+ + "Spanner", SCM_UNDEFINED);
+ }
+
+ cresc_p_->set_bound (LEFT, unsmob_element (get_property ("currentMusicalColumn")));
+
+
+ /*
+ 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.
+
+
+ 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.
+ */
+
+
+ if (text_p_)
+ {
+ index_set_cell (cresc_p_->get_elt_property ("dynamic-drul"),
+ LEFT, text_p_->self_scm ());
+ if (finished_cresc_p_)
+ index_set_cell (finished_cresc_p_->get_elt_property ("dynamic-drul"),
+ RIGHT, text_p_->self_scm ());
+ }
+
+ Axis_group_interface::add_element (line_spanner_, cresc_p_);
+ cresc_p_->set_elt_property ("self-alignment-Y", gh_int2scm (0));
+ cresc_p_->add_offset_callback
+ (Side_position::aligned_on_self, Y_AXIS);
+ announce_element (cresc_p_, accepted_spanreqs_drul_[START]);
}
}
}
void
-Dynamic_engraver::do_pre_move_processing()
+Dynamic_engraver::do_pre_move_processing ()
{
- Staff_symbol* s_l = get_staff_info().staff_sym_l_;
- if (to_end_cresc_p_)
- {
- 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;
- }
- if (dynamic_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;
- }
+ typeset_all ();
}
-
-IMPLEMENT_IS_TYPE_B1(Dynamic_engraver,Engraver);
-ADD_THIS_TRANSLATOR(Dynamic_engraver);
-
void
Dynamic_engraver::do_removal_processing ()
{
+ typeset_all ();
+
if (cresc_p_)
{
typeset_element (cresc_p_ );
-
- cresc_req_l_->warning (_ ("unended crescendo"));
- cresc_p_ =0;
+ finished_cresc_p_ = cresc_p_;
+ current_cresc_req_->origin ()->warning (_ ("unterminated (de)crescendo"));
+ }
+ if (line_spanner_)
+ {
+ finished_line_spanner_ = line_spanner_;
}
- if (to_end_cresc_p_)
+ typeset_all ();
+}
+
+void
+Dynamic_engraver::typeset_all ()
+{
+ if (finished_cresc_p_)
{
- typeset_element (to_end_cresc_p_);
- to_end_cresc_p_ =0;
+ typeset_element (finished_cresc_p_);
+ finished_cresc_p_ =0;
}
- if (dynamic_p_)
+
+ if (text_p_)
{
- typeset_element (dynamic_p_);
- dynamic_p_ =0;
+ typeset_element (text_p_);
+ text_p_ = 0;
+ }
+ if (finished_line_spanner_)
+ {
+ Side_position::add_staff_support (finished_line_spanner_);
+
+ if (!finished_line_spanner_->get_bound (LEFT))
+ {
+ Score_element * cmc
+ = unsmob_element (get_property ("currentMusicalColumn"));
+ finished_line_spanner_->set_bound (LEFT, cmc);
+ }
+ if (!finished_line_spanner_->get_bound (RIGHT))
+ finished_line_spanner_->set_bound (RIGHT,
+ finished_line_spanner_->get_bound (LEFT));
+
+
+ typeset_element (finished_line_spanner_);
+ finished_line_spanner_ = 0;
}
}
void
Dynamic_engraver::acknowledge_element (Score_element_info i)
{
- if (dynamic_cast<Note_column *> (i.elem_l_))
+ if (Note_column::has_interface (i.elem_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_)
+ {
+ Side_position::add_support (line_spanner_,i.elem_l_);
+ add_bound_item (line_spanner_,dynamic_cast<Item*>(i.elem_l_));
+ }
}
}
projects / lilypond.git / blobdiff