source file of the GNU LilyPond music typesetter
- (c) 1997--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
*/
-#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 "paper-def.hh"
+#include "all-font-metrics.hh"
#include "axis-group-interface.hh"
#include "context-def.hh"
+#include "global-context.hh"
+#include "international.hh"
+#include "main.hh"
+#include "open-type-font.hh"
+#include "output-def.hh"
+#include "paper-column-engraver.hh"
+#include "paper-column.hh"
+#include "paper-score.hh"
+#include "system.hh"
+#include "warn.hh"
-#include "staff-spacing.hh"
-#include "note-spacing.hh"
-
-/*
- TODO: the column creation logic is rather hairy. Revise it.
- */
Score_engraver::Score_engraver ()
{
- system_ =0;
- command_column_ =0;
- musical_column_ =0;
- breaks_ =0;
+ system_ = 0;
pscore_ = 0;
}
void
-Score_engraver::make_columns ()
+Score_engraver::derived_mark () const
{
- /*
- ugh.
- */
- if (!command_column_)
- {
- set_columns (new Paper_column (get_property ("NonMusicalPaperColumn")),
- new Paper_column (get_property ("PaperColumn")));
-
- command_column_->set_grob_property ("breakable", SCM_BOOL_T);
-
-
- Grob_info i1;
- i1.grob_ = command_column_;
- i1.origin_trans_ = this;
-
- announce_grob (i1);
-
- Grob_info i2;
- i2.grob_ = musical_column_;
- i2.origin_trans_ = this;
-
- announce_grob (i2);
- }
+ if (pscore_)
+ scm_gc_mark (pscore_->self_scm ());
+ Score_translator::derived_mark ();
+ Engraver_group::derived_mark ();
}
void
-Score_engraver::prepare (Moment w)
+Score_engraver::prepare (Moment m)
{
- Global_translator::prepare (w);
+ (void) m;
- /*
- TODO: don't make columns when skipTypesetting is true.
- */
- make_columns ();
-
- 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();
+ precomputed_recurse_over_translators (context (), START_TRANSLATION_TIMESTEP, DOWN);
}
void
Score_engraver::finish ()
{
- if ((breaks_%8))
- progress_indication ("[" + to_string (breaks_) + "]");
-
- check_removal ();
- finalize ();
+ recurse_over_translators (context (), &Translator::finalize,
+ &Translator_group::finalize,
+ UP);
}
+#define MUSIC_FONT "emmentaler-20"
+
/*
use start/finish?
- */
+*/
void
Score_engraver::initialize ()
{
- Font_metric *fm = all_fonts_global->find_afm("feta20");
+ Font_metric *fm = all_fonts_global->find_otf (MUSIC_FONT);
if (!fm)
- error (_f ("can't find `%s'", "feta20.afm")
- + "\n" +_ ("Fonts have not been installed properly. Aborting"));
-
- unsmob_context_def (definition_)->apply_default_property_operations (this);
+ {
+ error (_f ("cannot find `%s'", MUSIC_FONT ".otf")
+ + "\n"
+ + _ ("Music font has not been installed properly.")
+ + "\n"
+ + _f ("Search path `%s'", global_path.to_string ().c_str ())
+ + "\n"
+ + _ ("Aborting"));
+ }
- assert (!daddy_trans_);
- pscore_ = new Paper_score;
- pscore_->paper_ = dynamic_cast<Paper_def*> (get_output_def ());
+ pscore_ = new Paper_score (dynamic_cast<Output_def *> (context ()->get_output_def ()));
+ pscore_->unprotect ();
- SCM props = get_property ("System");
+ SCM props = updated_grob_properties (context (), ly_symbol2scm ("System"));
- pscore_->typeset_line (new System (props));
+ Object_key const *sys_key = context ()->get_grob_key ("System");
+ pscore_->typeset_system (new System (props, sys_key));
- make_columns ();
- system_ = pscore_->system_;
- system_->set_bound (LEFT, command_column_);
- command_column_->set_grob_property ("breakable", SCM_BOOL_T);
+ system_ = pscore_->root_system ();
+ context ()->set_property ("rootSystem", system_->self_scm ());
- Engraver_group_engraver::initialize ();
+ Engraver_group::initialize ();
}
-
void
Score_engraver::finalize ()
{
- Engraver_group_engraver::finalize ();
+ Score_translator::finalize ();
- Grob * 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 ("skipTypesetting")))
+ if (!to_boolean (context ()->get_property ("skipTypesetting")))
{
- process_music ();
- do_announces ();
+ precomputed_recurse_over_translators (context (), PROCESS_MUSIC, UP);
+ Engraver_group::do_announces ();
}
-
- stop_translation_timestep ();
-
- apply_finalizations ();
- check_removal ();
-
- 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 ();
+ precomputed_recurse_over_translators (context (), STOP_TRANSLATION_TIMESTEP, UP);
+ typeset_all ();
}
void
Score_engraver::announce_grob (Grob_info info)
{
- announce_infos_.push (info);
- pscore_->system_->typeset_grob (info.grob_);
-}
-
-void
-Score_engraver::typeset_grob (Grob *elem)
-{
- if (!elem)
- programming_error ("Score_engraver: empty elt\n");
- else
- elems_.push (elem);
+ Engraver_group::announce_grob (info);
+ if (info.start_end () == START)
+ {
+ pscore_->root_system ()->typeset_grob (info.grob ());
+ elems_.push_back (info.grob ());
+ }
}
void
Score_engraver::typeset_all ()
{
- for (int i =0; i < elems_.size (); i++)
+ for (vsize i = 0; i < elems_.size (); i++)
{
- Grob * elem = elems_[i];
-
- 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_);
- /* don't warn for empty/suicided spanners,
- it makes real warningsinvisible.
- maybe should be junked earlier? */
- if (!elem->live())
- ; // gdb hook
- else
- elem->warning (_f ("unbound spanner `%s'", s->name ().to_str0 ()));
- }
- }
- while (flip (&d) != LEFT);
+ Grob *elem = elems_[i];
- if (dynamic_cast<Item*> (s->get_parent (Y_AXIS)))
- programming_error ("Spanner Y-parent is an item.");
- }
- else
- {
- if (!elem->get_parent (X_AXIS))
- {
- bool br = to_boolean (elem->get_grob_property ("breakable"));
- Axis_group_interface::add_element (br ? command_column_ : musical_column_, elem);
-
- }
- }
if (!elem->get_parent (Y_AXIS))
Axis_group_interface::add_element (system_, elem);
}
elems_.clear ();
}
-void
-Score_engraver::stop_translation_timestep ()
-{
- // this generates all items.
- Engraver_group_engraver::stop_translation_timestep ();
-
- typeset_all ();
- if (to_boolean (command_column_->get_grob_property ("breakable")))
- {
- breaks_ ++;
- if (! (breaks_%8))
- progress_indication ("[" + to_string (breaks_) + "]");
- }
-
-
- system_->add_column (command_column_);
- system_->add_column (musical_column_);
-
- command_column_ = 0;
- musical_column_ = 0;
-}
-
-void
-Score_engraver::set_columns (Paper_column *new_command,
- Paper_column *new_musical)
-{
- 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)
- {
- set_property ("currentMusicalColumn", new_musical->self_scm ());
- }
-}
-
-Music_output*
+SCM
Score_engraver::get_output ()
{
- Music_output * o = pscore_;
- pscore_=0;
- return o;
+ Music_output *o = pscore_;
+ return o->self_scm ();
}
-
bool
-Score_engraver::try_music (Music*r)
-{
- bool gotcha = Engraver_group_engraver::try_music (r);
-
- if (!gotcha && r->is_mus_type ("break-event"))
- {
- gotcha = true;
-
- SCM pen = command_column_->get_grob_property ("penalty");
- Real total_penalty = gh_number_p (pen)
- ? gh_scm2double (pen)
- : 0.0;
-
- SCM rpen = r->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_->set_grob_property ("penalty",
- gh_double2scm (total_penalty));
- }
- return gotcha;
-}
-
-/*
- TODO: use property Score.breakForbidden = #t
- */
-void
-Score_engraver::forbid_breaks ()
-{
- /*
- result is junked.
- */
- 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) "
-"\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 */ "");
+Score_engraver::try_music (Music *m)
+{
+ if (Engraver_group::try_music (m))
+ return true;
+
+ return false;
+}
+
+ADD_TRANSLATOR_GROUP (Score_engraver,
+ /* doc */ "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, every Bar_engraver "
+ "that does not have a barline at a certain point will set "
+ "forbidBreaks 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.) ",
+ /* create */
+ "System ",
+
+ /* accept */
+ "break-event",
+
+ /* read */
+ "currentMusicalColumn "
+ "currentCommandColumn "
+ "verticallySpacedContexts",
+
+ /* write */
+ "");
projects / lilypond.git / blobdiff