source file of the GNU LilyPond music typesetter
- (c) 1997--2001 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
-#include "debug.hh"
-
-#include "line-of-score.hh"
+#include "all-font-metrics.hh"
+#include "afm.hh"
+#include "warn.hh"
+#include "main.hh"
+#include "system.hh"
#include "item.hh"
#include "score-engraver.hh"
#include "paper-score.hh"
#include "axis-group-interface.hh"
#include "translator-def.hh"
+#include "staff-spacing.hh"
+#include "note-spacing.hh"
/*
TODO: the column creation logic is rather hairy. Revise it.
*/
Score_engraver::Score_engraver ()
{
- scoreline_l_ =0;
- command_column_l_ =0;
- musical_column_l_ =0;
- breaks_i_ =0;
- pscore_p_ = 0;
+ system_ =0;
+ command_column_ =0;
+ musical_column_ =0;
+ breaks_ =0;
+ pscore_ = 0;
}
void
/*
ugh.
*/
- if (!command_column_l_)
- // || *unsmob_moment (command_column_l_->get_grob_property ("when")) != w)
+ if (!command_column_)
{
- set_columns (new Paper_column (get_property (ly_symbol2scm ("NonMusicalPaperColumn"))),
- new Paper_column (get_property (ly_symbol2scm ("PaperColumn"))));
+ set_columns (new Paper_column (get_property ("NonMusicalPaperColumn")),
+ new Paper_column (get_property ("PaperColumn")));
- command_column_l_->set_grob_property ("breakable", SCM_BOOL_T);
+ command_column_->set_grob_property ("breakable", SCM_BOOL_T);
+
- Grob_info i1 (command_column_l_, 0), i2 (musical_column_l_,0);
+ Grob_info i1 (command_column_);
+ i1.origin_trans_ = this;
+
+ Grob_info i2 (musical_column_);
+ i2.origin_trans_ = this;
- i1.origin_trans_l_ = this;
- i2.origin_trans_l_ = this;
announce_grob (i1);
announce_grob (i2);
}
{
Global_translator::prepare (w);
+ /*
+ TODO: don't make columns when skipTypesetting is true.
+ */
make_columns ();
- start_translation_timestep ();
+
+ command_column_->set_grob_property ("when", now_mom_.smobbed_copy ());
+ musical_column_->set_grob_property ("when", now_mom_.smobbed_copy ());
+
+
+ Translator_group::start_translation_timestep();
}
void
Score_engraver::finish ()
{
- if ((breaks_i_%8))
- progress_indication ("[" + to_str (breaks_i_) + "]");
+ if ((breaks_%8))
+ progress_indication ("[" + to_string (breaks_) + "]");
check_removal ();
removal_processing ();
void
Score_engraver::initialize ()
{
+ Font_metric *fm = all_fonts_global->find_afm("feta20");
+ if (!fm)
+ error (_f ("can't find `%s'", "feta20.afm")
+ + "\n" +_ ("Fonts have not been installed properly. Aborting"));
+
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_);
+ assert (dynamic_cast<Paper_def *> (output_def_));
+ assert (!daddy_trans_);
+ pscore_ = new Paper_score;
+ pscore_->paper_ = dynamic_cast<Paper_def*> (output_def_);
- SCM props = get_property (ly_symbol2scm ("LineOfScore"));
+ SCM props = get_property ("System");
- pscore_p_->typeset_line (new Line_of_score (props));
+ pscore_->typeset_line (new System (props));
make_columns ();
- scoreline_l_ = pscore_p_->line_l_;
- scoreline_l_->set_bound (LEFT, command_column_l_);
- command_column_l_->set_grob_property ("breakable", SCM_BOOL_T);
+ system_ = pscore_->system_;
+ system_->set_bound (LEFT, command_column_);
+ command_column_->set_grob_property ("breakable", SCM_BOOL_T);
Engraver_group_engraver::initialize ();
}
Engraver_group_engraver::finalize ();
Grob * cc
- = unsmob_grob (get_property (ly_symbol2scm ("currentCommandColumn")));
- scoreline_l_->set_bound (RIGHT, cc);
+ = unsmob_grob (get_property ("currentCommandColumn"));
+ system_->set_bound (RIGHT, cc);
cc->set_grob_property ("breakable", SCM_BOOL_T);
typeset_all ();
void
Score_engraver::one_time_step ()
{
- if (!to_boolean (get_property (ly_symbol2scm("skipTypesetting"))))
+ if (!to_boolean (get_property ("skipTypesetting")))
{
process_music ();
- announces ();
+ do_announces ();
}
-
stop_translation_timestep ();
+
+ apply_finalizations ();
check_removal ();
-}
-void
-Score_engraver::announce_grob (Grob_info info)
-{
- announce_info_arr_.push (info);
- pscore_p_->line_l_->typeset_grob (info.elem_l_);
+
+ for (int i = announce_infos_.size(); i--;)
+ {
+ Grob *g = announce_infos_[i].grob_;
+ if (!dynamic_cast<Paper_column*> (g)) // ugh.
+ {
+
+ String msg= "Grob "
+ + g->name()
+ + " was created too late!";
+ g->programming_error (msg);
+ }
+ }
+ announce_infos_.clear ();
}
-/* 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
-*/
-/* junkme? Done by Engraver_group_engraver::do_announces ()?
- */
-
void
-Score_engraver::do_announces ()
+Score_engraver::announce_grob (Grob_info info)
{
- ////// do
- Engraver_group_engraver::do_announces ();
- //////while (announce_info_arr_.size ());
+ announce_infos_.push (info);
+ pscore_->system_->typeset_grob (info.grob_);
}
-
void
-Score_engraver::typeset_grob (Grob *elem_p)
+Score_engraver::typeset_grob (Grob *elem)
{
- if (!elem_p)
+ if (!elem)
programming_error ("Score_engraver: empty elt\n");
else
-
- elem_p_arr_.push (elem_p);
+ elems_.push (elem);
}
-
void
Score_engraver::typeset_all ()
{
- for (int i =0; i < elem_p_arr_.size (); i++)
+ for (int i =0; i < elems_.size (); i++)
{
- Grob * elem_p = elem_p_arr_[i];
+ Grob * elem = elems_[i];
- if (Spanner *s = dynamic_cast <Spanner *> (elem_p))
+ if (Spanner *s = dynamic_cast <Spanner *> (elem))
{
- /*
+ /*
do something sensible if spanner not
spanned on 2 items.
- */
+ */
Direction d = LEFT;
do {
if (!s->get_bound (d))
{
- s->set_bound (d, command_column_l_);
+ s->set_bound (d, command_column_);
/* don't warn for empty/suicided spanners,
it makes real warningsinvisible.
maybe should be junked earlier? */
- if (elem_p->immutable_property_alist_ == SCM_EOL)
+ if (!elem->live())
; // gdb hook
else
- ::warning (_f ("unbound spanner `%s'", s->name ().ch_C ()));
+ elem->warning (_f ("unbound spanner `%s'", s->name ().to_str0 ()));
}
- } while (flip (&d) != LEFT);
+ }
+ while (flip (&d) != LEFT);
+
+ if (dynamic_cast<Item*> (s->get_parent (Y_AXIS)))
+ programming_error ("Spanner Y-parent is an item.");
}
else
{
- if (!elem_p->parent_l (X_AXIS))
+ if (!elem->get_parent (X_AXIS))
{
- bool br = to_boolean (elem_p->get_grob_property ("breakable"));
- Axis_group_interface::add_element (br ? command_column_l_ : musical_column_l_, elem_p);
+ bool br = to_boolean (elem->get_grob_property ("breakable"));
+ Axis_group_interface::add_element (br ? command_column_ : musical_column_, elem);
}
}
- if (!elem_p->parent_l (Y_AXIS))
- Axis_group_interface::add_element (scoreline_l_, elem_p);
+ if (!elem->get_parent (Y_AXIS))
+ Axis_group_interface::add_element (system_, elem);
}
- elem_p_arr_.clear ();
+ elems_.clear ();
}
void
Engraver_group_engraver::stop_translation_timestep ();
typeset_all ();
- if (to_boolean (command_column_l_->get_grob_property ("breakable")))
+ if (to_boolean (command_column_->get_grob_property ("breakable")))
{
- breaks_i_ ++;
- if (! (breaks_i_%8))
- progress_indication ("[" + to_str (breaks_i_) + "]");
+ breaks_ ++;
+ if (! (breaks_%8))
+ progress_indication ("[" + to_string (breaks_) + "]");
}
- command_column_l_->set_grob_property ("when", now_mom_.smobbed_copy ());
- musical_column_l_->set_grob_property ("when", now_mom_.smobbed_copy ());
- scoreline_l_->add_column (command_column_l_);
- scoreline_l_->add_column (musical_column_l_);
+ system_->add_column (command_column_);
+ system_->add_column (musical_column_);
- command_column_l_ = 0;
- musical_column_l_ = 0;
+ command_column_ = 0;
+ musical_column_ = 0;
}
void
-Score_engraver::set_columns (Paper_column *new_command_l,
- Paper_column *new_musical_l)
+Score_engraver::set_columns (Paper_column *new_command,
+ Paper_column *new_musical)
{
- assert (!command_column_l_ && !musical_column_l_);
- command_column_l_ = new_command_l;
- musical_column_l_ = new_musical_l;
+ assert (!command_column_ && !musical_column_);
+
+ command_column_ = new_command;
+ musical_column_ = new_musical;
+ if (new_command)
+ {
+ set_property ("currentCommandColumn", new_command->self_scm ());
+ }
- if (new_musical_l)
- set_property ("currentMusicalColumn", new_musical_l->self_scm ());
- if (new_command_l)
- set_property ("currentCommandColumn", new_command_l->self_scm ());
+ if (new_musical)
+ {
+ set_property ("currentMusicalColumn", new_musical->self_scm ());
+ }
}
Music_output*
-Score_engraver::get_output_p ()
+Score_engraver::get_output ()
{
- Music_output * o = pscore_p_;
- pscore_p_=0;
+ Music_output * o = pscore_;
+ pscore_=0;
return o;
}
gotcha = true;
- SCM pen = command_column_l_->get_grob_property ("penalty");
+ SCM pen = command_column_->get_grob_property ("penalty");
Real total_penalty = gh_number_p (pen)
? gh_scm2double (pen)
: 0.0;
if (total_penalty > 10000.0) // ugh. arbitrary.
forbid_breaks ();
- command_column_l_->set_grob_property ("penalty",
+ command_column_->set_grob_property ("penalty",
gh_double2scm (total_penalty));
}
}
/*
TODO: use property Score.breakForbidden = #t
*/
-
void
Score_engraver::forbid_breaks ()
{
/*
result is junked.
*/
- command_column_l_->remove_grob_property ("breakable");
+ if (command_column_)
+ command_column_->set_grob_property ("breakable", SCM_EOL);
}
+
+void
+Score_engraver::acknowledge_grob (Grob_info gi)
+{
+ if (Staff_spacing::has_interface (gi.grob_))
+ {
+ Pointer_group_interface::add_grob (command_column_,
+ ly_symbol2scm ("spacing-wishes"),
+ gi.grob_);
+ }
+ if (Note_spacing::has_interface (gi.grob_))
+ {
+ Pointer_group_interface::add_grob (musical_column_,
+ ly_symbol2scm ("spacing-wishes"),
+ gi.grob_);
+ }
+}
+
+
+
+ENTER_DESCRIPTION(Score_engraver,
+/* descr */ "Top level engraver. Takes care of generating columns and the complete system (ie. System)
+
-ADD_THIS_TRANSLATOR (Score_engraver);
+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*/ "System PaperColumn NonMusicalPaperColumn",
+/* acks */ "note-spacing-interface staff-spacing-interface",
+/* reads */ "currentMusicalColumn currentCommandColumn",
+/* write */ "");
projects / lilypond.git / blobdiff