/*
- score-grav.cc -- implement Score_engraver
+ score-engraver.cc -- implement Score_engraver
source file of the GNU LilyPond music typesetter
- (c) 1997--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2001 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
-#include "dimension-cache.hh"
-#include "super-element.hh"
-#include "line-of-score.hh"
#include "debug.hh"
+
+#include "line-of-score.hh"
#include "item.hh"
#include "score-engraver.hh"
#include "paper-score.hh"
-#include "musical-request.hh"
-#include "score-column.hh"
+#include "paper-column.hh"
#include "command-request.hh"
#include "paper-def.hh"
+#include "axis-group-interface.hh"
+#include "translator-def.hh"
-Score_engraver::Score_engraver()
+
+/*
+ TODO: the column creation logic is rather hairy. Revise it.
+ */
+Score_engraver::Score_engraver ()
{
- break_penalty_i_ = 0;
scoreline_l_ =0;
command_column_l_ =0;
musical_column_l_ =0;
breaks_i_ =0;
pscore_p_ = 0;
}
-
+
+void
+Score_engraver::make_columns ()
+{
+ /*
+ ugh.
+ */
+ if (!command_column_l_)
+ // || *unsmob_moment (command_column_l_->get_grob_property ("when")) != w)
+ {
+ set_columns (new Paper_column (get_property ("NonMusicalPaperColumn")),
+ new Paper_column (get_property ("PaperColumn")));
+
+ command_column_l_->set_grob_property ("breakable", SCM_BOOL_T);
+
+ Grob_info i1 (command_column_l_, 0), i2 (musical_column_l_,0);
+
+ i1.origin_trans_l_ = this;
+ i2.origin_trans_l_ = this;
+ announce_grob (i1);
+ announce_grob (i2);
+ }
+}
+
void
Score_engraver::prepare (Moment w)
{
Global_translator::prepare (w);
- set_columns (new Score_column (w), new Score_column (w));
-
- break_penalty_i_ = 0;
- post_move_processing();
+
+ make_columns ();
+ start_translation_timestep ();
}
void
-Score_engraver::finish()
+Score_engraver::finish ()
{
if ((breaks_i_%8))
- *mlog << "[" << breaks_i_ << "]" << flush;
+ progress_indication ("[" + to_str (breaks_i_) + "]");
- check_removal();
- removal_processing();
+ check_removal ();
+ removal_processing ();
+
}
/*
use start/finish?
*/
void
-Score_engraver::do_creation_processing ()
+Score_engraver::initialize ()
{
+ unsmob_translator_def (definition_)->apply_property_operations (this);
+
+ assert (dynamic_cast<Paper_def *> (output_def_l_));
+ assert (!daddy_trans_l_);
+ pscore_p_ = new Paper_score;
+ pscore_p_->paper_l_ = dynamic_cast<Paper_def*> (output_def_l_);
+
+ SCM props = get_property ("LineOfScore");
+
+ pscore_p_->typeset_line (new Line_of_score (props));
+
+ make_columns ();
scoreline_l_ = pscore_p_->line_l_;
- scoreline_l_->set_bounds(LEFT,command_column_l_);
- command_column_l_->set_elt_property (breakable_scm_sym, SCM_BOOL_T);
+ scoreline_l_->set_bound (LEFT, command_column_l_);
+ command_column_l_->set_grob_property ("breakable", SCM_BOOL_T);
- Engraver_group_engraver::do_creation_processing();
+ Engraver_group_engraver::initialize ();
}
void
-Score_engraver::do_removal_processing()
+Score_engraver::finalize ()
{
- Engraver_group_engraver::do_removal_processing();
- scoreline_l_->set_bounds(RIGHT,command_column_l_);
- command_column_l_->set_elt_property (breakable_scm_sym, SCM_BOOL_T);
+ Engraver_group_engraver::finalize ();
+ Grob * cc
+ = unsmob_grob (get_property ("currentCommandColumn"));
+ scoreline_l_->set_bound (RIGHT, cc);
+ cc->set_grob_property ("breakable", SCM_BOOL_T);
+
typeset_all ();
- set_columns (0,0);
}
void
-Score_engraver::process()
+Score_engraver::one_time_step ()
{
- process_requests();
- do_announces();
- pre_move_processing();
- check_removal();
+ if (!to_boolean (get_property ("skipTypesetting")))
+ {
+ process_music ();
+ announces ();
+ }
+
+
+ stop_translation_timestep ();
+ check_removal ();
}
void
-Score_engraver::announce_element (Score_element_info info)
+Score_engraver::announce_grob (Grob_info info)
{
announce_info_arr_.push (info);
- info.origin_trans_l_arr_.push (this);
-
- if (Spanner *s = dynamic_cast <Spanner *> (info.elem_l_))
- pscore_p_->typeset_unbroken_spanner (s);
- else if (Item *i = dynamic_cast<Item*> (info.elem_l_))
- pscore_p_->typeset_element (i);
+ pscore_p_->line_l_->typeset_grob (info.grob_l_);
}
/* All elements are propagated to the top upon announcement. If
something was created during one run of
Engraver_group_engraver::do_announces, then
- announce_info_arr_.size() will be nonzero again
+ announce_info_arr_.size () will be nonzero again
*/
/* junkme? Done by Engraver_group_engraver::do_announces ()?
*/
void
-Score_engraver::do_announces()
+Score_engraver::do_announces ()
{
- while (announce_info_arr_.size())
- Engraver_group_engraver::do_announces();
+ Engraver_group_engraver::do_announces ();
}
void
-Score_engraver::typeset_element (Score_element *elem_p)
+Score_engraver::typeset_grob (Grob *elem_p)
{
- elem_p_arr_.push (elem_p);
+ if (!elem_p)
+ programming_error ("Score_engraver: empty elt\n");
+ else
+
+ elem_p_arr_.push (elem_p);
}
void
-Score_engraver::typeset_all()
+Score_engraver::typeset_all ()
{
- for (int i =0; i < elem_p_arr_.size(); i++)
+ for (int i =0; i < elem_p_arr_.size (); i++)
{
- Score_element * elem_p = elem_p_arr_[i];
- elem_p->add_processing ();
-
-#if 0 // TODO!
- /*
- elem_p wants to be connected to the rest of the
- dependency graph.
- */
-
- if (elem_p->get_elt_property (dangling_scm_sym) != SCM_BOOL_F)
- scoreline_l_->add_dependency (elem_p);
-#endif
+ Grob * elem_p = elem_p_arr_[i];
if (Spanner *s = dynamic_cast <Spanner *> (elem_p))
{
*/
Direction d = LEFT;
do {
- if (!s->spanned_drul_[d])
+ if (!s->get_bound (d))
{
- s->set_bounds(d, command_column_l_);
- ::warning (_f ("Unbound spanner `%s\'", classname(s)));
+ s->set_bound (d, command_column_l_);
+ /* don't warn for empty/suicided spanners,
+ it makes real warningsinvisible.
+ maybe should be junked earlier? */
+ if (elem_p->immutable_property_alist_ == SCM_EOL)
+ ; // gdb hook
+ else
+ ::warning (_f ("unbound spanner `%s'", s->name ().ch_C ()));
}
- } while (flip(&d) != LEFT);
+ } while (flip (&d) != LEFT);
}
else
{
- Item *item_p = dynamic_cast <Item *> (elem_p);
-
- if (!item_p->parent_l (X_AXIS))
+ if (!elem_p->parent_l (X_AXIS))
{
- bool br = (item_p->remove_elt_property (breakable_scm_sym) != SCM_BOOL_F);
- if (br)
- command_column_l_->add_element(item_p);
- else
- musical_column_l_->add_element(item_p);
+ bool br = to_boolean (elem_p->get_grob_property ("breakable"));
+ Axis_group_interface::add_element (br ? command_column_l_ : musical_column_l_, elem_p);
+
}
}
- if (!elem_p->dim_cache_[Y_AXIS]->parent_l_)
- scoreline_l_->add_element (elem_p);
+ if (!elem_p->parent_l (Y_AXIS))
+ Axis_group_interface::add_element (scoreline_l_, elem_p);
}
- elem_p_arr_.clear();
+ elem_p_arr_.clear ();
}
void
-Score_engraver::do_pre_move_processing()
+Score_engraver::stop_translation_timestep ()
{
- if (break_penalty_i_ > Break_req::DISALLOW)
+ // this generates all items.
+ Engraver_group_engraver::stop_translation_timestep ();
+
+ typeset_all ();
+ if (to_boolean (command_column_l_->get_grob_property ("breakable")))
{
- command_column_l_->set_elt_property (breakable_scm_sym, SCM_BOOL_T);
breaks_i_ ++;
if (! (breaks_i_%8))
- *mlog << "[" << breaks_i_ << "]" << flush;
+ progress_indication ("[" + to_str (breaks_i_) + "]");
}
- // this generates all items.
- Engraver_group_engraver::do_pre_move_processing();
-
- typeset_all();
-}
-void
-Score_engraver::set_columns (Score_column *new_command_l,
- Score_column *new_musical_l)
-{
- if (command_column_l_ && command_column_l_->linked_b())
- {
- pscore_p_->add_column (command_column_l_);
- scoreline_l_->add_column (command_column_l_);
- }
- else
- {
- delete command_column_l_ ;
- command_column_l_ =0;
- }
- if (new_command_l)
- command_column_l_ = new_command_l;
+ command_column_l_->set_grob_property ("when", now_mom_.smobbed_copy ());
+ musical_column_l_->set_grob_property ("when", now_mom_.smobbed_copy ());
- if (musical_column_l_ && musical_column_l_->linked_b())
- {
- pscore_p_->add_column (musical_column_l_);
- scoreline_l_->add_column (musical_column_l_);
- }
- else
- {
- delete musical_column_l_;
- musical_column_l_ = 0;
- }
+ scoreline_l_->add_column (command_column_l_);
+ scoreline_l_->add_column (musical_column_l_);
- if (new_musical_l)
- {
- musical_column_l_ = new_musical_l;
- }
+ command_column_l_ = 0;
+ musical_column_l_ = 0;
}
-
-Staff_info
-Score_engraver::get_staff_info() const
+void
+Score_engraver::set_columns (Paper_column *new_command_l,
+ Paper_column *new_musical_l)
{
- Staff_info inf = Engraver_group_engraver::get_staff_info();
-
- inf.command_l_ = command_column_l_;
- inf.musical_l_ = musical_column_l_;
+ assert (!command_column_l_ && !musical_column_l_);
+ command_column_l_ = new_command_l;
+ musical_column_l_ = new_musical_l;
- return inf;
+ if (new_musical_l)
+ set_property ("currentMusicalColumn", new_musical_l->self_scm ());
+ if (new_command_l)
+ set_property ("currentCommandColumn", new_command_l->self_scm ());
}
-
Music_output*
Score_engraver::get_output_p ()
{
}
bool
-Score_engraver::do_try_music (Music*r)
+Score_engraver::try_music (Music*r)
{
- bool gotcha = Engraver_group_engraver::do_try_music (r);
+ bool gotcha = Engraver_group_engraver::try_music (r);
if (!gotcha)
{
- /*
- UGH! THIS IS NOT SYMMETRIC. CLEAN ME UP!
- */
if (Break_req* b = dynamic_cast<Break_req *> (r))
{
gotcha = true;
- if (b->penalty_i_ <= Break_req::DISALLOW)
- break_penalty_i_ = b->penalty_i_;
- else if (b->penalty_i_ >= Break_req::FORCE)
- command_column_l_->break_penalty_i_ = b->penalty_i_;
+
+
+ SCM pen = command_column_l_->get_grob_property ("penalty");
+ Real total_penalty = gh_number_p (pen)
+ ? gh_scm2double (pen)
+ : 0.0;
+
+ SCM rpen = b->get_mus_property ("penalty");
+ if (gh_number_p (rpen))
+ total_penalty += gh_scm2double (rpen);
+
+ if (total_penalty > 10000.0) // ugh. arbitrary.
+ forbid_breaks ();
+
+ command_column_l_->set_grob_property ("penalty",
+ gh_double2scm (total_penalty));
}
}
return gotcha;
}
+/*
+ TODO: use property Score.breakForbidden = #t
+ */
+
void
Score_engraver::forbid_breaks ()
{
- break_penalty_i_ = Break_req::DISALLOW;
+ /*
+ result is junked.
+ */
+ command_column_l_->remove_grob_property ("breakable");
}
-ADD_THIS_TRANSLATOR(Score_engraver);
-void
-Score_engraver::do_add_processing ()
-{
- Translator_group::do_add_processing ();
- assert (dynamic_cast<Paper_def *> (output_def_l_));
- assert (!daddy_trans_l_);
- pscore_p_ = new Paper_score;
- pscore_p_->paper_l_ = dynamic_cast<Paper_def*>(output_def_l_);
-}
+
+
+ENTER_DESCRIPTION(Score_engraver,
+/* descr */ "Top level engraver. Takes care of generating columns and the complete system (ie. LineOfScore)
+
+
+This engraver decides whether a column is breakable. The default is
+that a column is always breakable. However, when every Bar_engraver
+that does not have a barline at a certain point will call
+Score_engraver::forbid_breaks to stop linebreaks. In practice, this
+means that you can make a breakpoint by creating a barline (assuming
+that there are no beams or notes that prevent a breakpoint.)
+
+
+",
+/* creats*/ "LineOfScore PaperColumn NonMusicalPaperColumn",
+/* acks */ "grob-interface",
+/* reads */ "currentMusicalColumn currentCommandColumn",
+/* write */ "");
projects / lilypond.git / blobdiff