source file of the GNU LilyPond music typesetter
- (c) 1997--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
-#include "debug.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 "paper-column.hh"
-#include "command-request.hh"
-#include "paper-def.hh"
+#include "output-def.hh"
#include "axis-group-interface.hh"
-#include "translator-def.hh"
-
+#include "context-def.hh"
#include "staff-spacing.hh"
#include "note-spacing.hh"
+#include "context.hh"
+#include "global-context.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_)
+ if (!command_column_)
{
- set_columns (new Paper_column (get_property ("NonMusicalPaperColumn")),
- new Paper_column (get_property ("PaperColumn")));
-
- command_column_l_->set_grob_property ("breakable", SCM_BOOL_T);
+ SCM nmp
+ = updated_grob_properties (context (),
+ ly_symbol2scm ("NonMusicalPaperColumn"));
+ SCM pc = updated_grob_properties (context (),
+ ly_symbol2scm ("PaperColumn"));
+
+ set_columns (new Paper_column (nmp), new Paper_column (pc));
- Grob_info i1 (command_column_l_);
- i1.origin_trans_l_ = this;
+ Grob_info i1;
+ i1.grob_ = command_column_;
+ i1.origin_trans_ = this;
+
+ announce_grob (i1);
- Grob_info i2 (musical_column_l_);
- i2.origin_trans_l_ = this;
+ Grob_info i2;
+ i2.grob_ = musical_column_;
+ i2.origin_trans_ = this;
- announce_grob (i1);
announce_grob (i2);
}
}
void
-Score_engraver::prepare (Moment w)
+Score_engraver::prepare (Moment m)
{
- Global_translator::prepare (w);
-
+ /*
+ TODO: don't make columns when skipTypesetting is true.
+ */
make_columns ();
- command_column_l_->set_grob_property ("when", now_mom_.smobbed_copy ());
- musical_column_l_->set_grob_property ("when", now_mom_.smobbed_copy ());
+ SCM w = m.smobbed_copy ();
+ command_column_->set_property ("when", w);
+ musical_column_->set_property ("when", w);
- start_translation_timestep ();
+ recurse_over_translators (context (), &Translator::start_translation_timestep, DOWN);
}
void
Score_engraver::finish ()
{
- if ((breaks_i_%8))
- progress_indication ("[" + to_str (breaks_i_) + "]");
-
- check_removal ();
- removal_processing ();
+ if ((breaks_%8))
+ progress_indication ("[" + to_string (breaks_) + "]");
+ recurse_over_translators (context (), &Translator::finalize, UP);
}
/*
void
Score_engraver::initialize ()
{
- unsmob_translator_def (definition_)->apply_property_operations (this);
+ 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"));
+
- 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_);
+ pscore_ = new Paper_score;
+ pscore_->paper_ = dynamic_cast<Output_def*> (get_output_def ());
- SCM props = get_property ("System");
+ SCM props = updated_grob_properties (context (), ly_symbol2scm ("System"));
- pscore_p_->typeset_line (new System (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_property ("breakable", SCM_BOOL_T);
Engraver_group_engraver::initialize ();
}
void
Score_engraver::finalize ()
{
- Engraver_group_engraver::finalize ();
+ Score_translator::finalize ();
Grob * cc
= unsmob_grob (get_property ("currentCommandColumn"));
- scoreline_l_->set_bound (RIGHT, cc);
- cc->set_grob_property ("breakable", SCM_BOOL_T);
+ system_->set_bound (RIGHT, cc);
+ cc->set_property ("breakable", SCM_BOOL_T);
typeset_all ();
}
+
void
Score_engraver::one_time_step ()
{
if (!to_boolean (get_property ("skipTypesetting")))
{
- process_music ();
- announces ();
+ recurse_over_translators (context (), &Engraver::process_music, UP);
+ recurse_over_translators (context (), &Engraver::do_announces, UP);
}
- stop_translation_timestep ();
- check_removal ();
+ recurse_over_translators (context (), &Translator::stop_translation_timestep, UP);
}
void
Score_engraver::announce_grob (Grob_info info)
{
- announce_info_arr_.push (info);
- pscore_p_->line_l_->typeset_grob (info.grob_l_);
-
-
-}
-
-
-void
-Score_engraver::typeset_grob (Grob *elem_p)
-{
- if (!elem_p)
- programming_error ("Score_engraver: empty elt\n");
- else
-
- elem_p_arr_.push (elem_p);
+ announce_infos_.push (info);
+ pscore_->system_->typeset_grob (info.grob_);
+ elems_.push (info.grob_);
}
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 (dynamic_cast<Item*> (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_);
- /* 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
- elem_p->warning (_f ("unbound spanner `%s'", s->name ().ch_C ()));
- }
- }
- 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->get_parent (X_AXIS))
+ if (!elem->get_parent (X_AXIS)
+ && elem != command_column_
+ && elem != musical_column_
+ )
{
- 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_property ("breakable"));
+ Axis_group_interface::add_element (br ? command_column_ : musical_column_, elem);
}
}
- if (!elem_p->get_parent (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_property ("breakable")))
{
- breaks_i_ ++;
- if (! (breaks_i_%8))
- progress_indication ("[" + to_str (breaks_i_) + "]");
+ breaks_ ++;
+ if (! (breaks_%8))
+ progress_indication ("[" + to_string (breaks_) + "]");
}
- 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_);
+ assert (!command_column_ && !musical_column_);
- command_column_l_ = new_command_l;
- musical_column_l_ = new_musical_l;
- if (new_command_l)
+ command_column_ = new_command;
+ musical_column_ = new_musical;
+ if (new_command)
{
- set_property ("currentCommandColumn", new_command_l->self_scm ());
+ context ()->set_property ("currentCommandColumn", new_command->self_scm ());
}
- if (new_musical_l)
+ if (new_musical)
{
- set_property ("currentMusicalColumn", new_musical_l->self_scm ());
+ context ()->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_;
+ ///FIXME WTF? pscore_ = 0;
return o;
}
bool
-Score_engraver::try_music (Music*r)
+Score_engraver::try_music (Music *m)
{
- bool gotcha = Engraver_group_engraver::try_music (r);
+ if (Engraver_group_engraver::try_music (m))
+ return true;
- if (!gotcha)
+ if (m->is_mus_type ("break-event"))
{
- if (Break_req* b = dynamic_cast<Break_req *> (r))
- {
- gotcha = true;
+ SCM pen = command_column_->get_property ("penalty");
+ Real total_penalty = ly_c_number_p (pen) ? ly_scm2double (pen) : 0.0;
+ SCM mpen = m->get_property ("penalty");
+ if (ly_c_number_p (mpen))
+ total_penalty += ly_scm2double (mpen);
- SCM pen = command_column_l_->get_grob_property ("penalty");
- Real total_penalty = gh_number_p (pen)
- ? gh_scm2double (pen)
- : 0.0;
+ command_column_->set_property ("penalty", scm_make_real (total_penalty));
- 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 ();
+ /* ugh. arbitrary, hardcoded */
+ if (total_penalty > 10000.0)
+ forbid_breaks ();
- command_column_l_->set_grob_property ("penalty",
- gh_double2scm (total_penalty));
- }
+ SCM page_pen = command_column_->get_property ("page-penalty");
+ Real total_pp = ly_c_number_p (page_pen) ? ly_scm2double (page_pen) : 0.0;
+ SCM mpage_pen = m->get_property ("page-penalty");
+ if (ly_c_number_p (mpage_pen))
+ total_pp += ly_scm2double (mpage_pen);
+
+ command_column_->set_property ("page-penalty", scm_make_real (total_pp));
+ return true;
}
- return gotcha;
+ return false;
}
-/*
- 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_property ("breakable", SCM_EOL);
}
void
Score_engraver::acknowledge_grob (Grob_info gi)
{
- if (Staff_spacing::has_interface (gi.grob_l_))
+ if (Staff_spacing::has_interface (gi.grob_))
{
- Pointer_group_interface::add_grob (command_column_l_,
- ly_symbol2scm ("spacing-wishes"),
- gi.grob_l_);
+ Pointer_group_interface::add_grob (command_column_,
+ ly_symbol2scm ("spacing-wishes"),
+ gi.grob_);
}
- if (Note_spacing::has_interface (gi.grob_l_))
+ if (Note_spacing::has_interface (gi.grob_))
{
- Pointer_group_interface::add_grob (musical_column_l_,
+ Pointer_group_interface::add_grob (musical_column_,
ly_symbol2scm ("spacing-wishes"),
- gi.grob_l_);
+ gi.grob_);
}
}
-ENTER_DESCRIPTION(Score_engraver,
-/* descr */ "Top level engraver. Takes care of generating columns and the complete system (ie. System)
-
-
-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",
+ENTER_DESCRIPTION (Score_engraver,
+/* descr */ "Top level engraver. Takes care of generating columns and the complete system (ie. System) "
+"\n\n "
+"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",
+/* accepts */ "break-event",
/* acks */ "note-spacing-interface staff-spacing-interface",
/* reads */ "currentMusicalColumn currentCommandColumn",
/* write */ "");