source file of the GNU LilyPond music typesetter
- (c) 1997--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
*/
-#include "debug.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 "axis-group-interface.hh"
-#include "translator-def.hh"
-#include "staff-spacing.hh"
-#include "note-spacing.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"
-/*
- 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;
+ pscore_ = 0;
}
void
-Score_engraver::make_columns ()
+Score_engraver::derived_mark () const
{
- /*
- ugh.
- */
- if (!command_column_l_)
- {
- 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_);
- i1.origin_trans_l_ = this;
-
- Grob_info i2 (musical_column_l_);
- i2.origin_trans_l_ = this;
-
- announce_grob (i1);
- 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;
- make_columns ();
-
- command_column_l_->set_grob_property ("when", now_mom_.smobbed_copy ());
- musical_column_l_->set_grob_property ("when", now_mom_.smobbed_copy ());
-
- start_translation_timestep ();
+ precomputed_recurse_over_translators (context (), START_TRANSLATION_TIMESTEP, DOWN);
}
void
Score_engraver::finish ()
{
- if ((breaks_i_%8))
- progress_indication ("[" + to_str (breaks_i_) + "]");
-
- check_removal ();
- removal_processing ();
-
+ recurse_over_translators (context (), &Translator::finalize,
+ &Translator_group::finalize,
+ UP);
}
+#define MUSIC_FONT "emmentaler-20"
+
/*
use start/finish?
- */
+*/
void
Score_engraver::initialize ()
{
- unsmob_translator_def (definition_)->apply_property_operations (this);
+ Font_metric *fm = all_fonts_global->find_otf (MUSIC_FONT);
+ if (!fm)
+ {
+ 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 (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 (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_p_->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 ();
- 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_->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"));
- scoreline_l_->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 ();
- announces ();
+ precomputed_recurse_over_translators (context (), PROCESS_MUSIC, UP);
+ Engraver_group::do_announces ();
}
-
- stop_translation_timestep ();
- check_removal ();
-}
-
-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);
+ precomputed_recurse_over_translators (context (), STOP_TRANSLATION_TIMESTEP, UP);
+ typeset_all ();
}
void
-Score_engraver::typeset_all ()
+Score_engraver::announce_grob (Grob_info info)
{
- for (int i =0; i < elem_p_arr_.size (); i++)
+ Engraver_group::announce_grob (info);
+ if (info.start_end () == START)
{
- Grob * elem_p = elem_p_arr_[i];
-
- if (Spanner *s = dynamic_cast <Spanner *> (elem_p))
- {
- /*
- 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->live())
- ; // 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))
- {
- 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->get_parent (Y_AXIS))
- Axis_group_interface::add_element (scoreline_l_, elem_p);
+ pscore_->root_system ()->typeset_grob (info.grob ());
+ elems_.push_back (info.grob ());
}
- elem_p_arr_.clear ();
}
void
-Score_engraver::stop_translation_timestep ()
+Score_engraver::typeset_all ()
{
- // this generates all items.
- Engraver_group_engraver::stop_translation_timestep ();
-
- typeset_all ();
- if (to_boolean (command_column_l_->get_grob_property ("breakable")))
+ for (vsize i = 0; i < elems_.size (); i++)
{
- breaks_i_ ++;
- if (! (breaks_i_%8))
- progress_indication ("[" + to_str (breaks_i_) + "]");
- }
-
-
- scoreline_l_->add_column (command_column_l_);
- scoreline_l_->add_column (musical_column_l_);
-
- command_column_l_ = 0;
- musical_column_l_ = 0;
-}
+ Grob *elem = elems_[i];
-void
-Score_engraver::set_columns (Paper_column *new_command_l,
- Paper_column *new_musical_l)
-{
- assert (!command_column_l_ && !musical_column_l_);
-
- command_column_l_ = new_command_l;
- musical_column_l_ = new_musical_l;
- if (new_command_l)
- {
- set_property ("currentCommandColumn", new_command_l->self_scm ());
- }
-
- if (new_musical_l)
- {
- set_property ("currentMusicalColumn", new_musical_l->self_scm ());
+ if (!elem->get_parent (Y_AXIS))
+ Axis_group_interface::add_element (system_, elem);
}
+ elems_.clear ();
}
-Music_output*
-Score_engraver::get_output_p ()
+SCM
+Score_engraver::get_output ()
{
- Music_output * o = pscore_p_;
- pscore_p_=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)
- {
- if (Break_req* b = dynamic_cast<Break_req *> (r))
- {
- gotcha = true;
-
-
- 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 ()
-{
- /*
- result is junked.
- */
- command_column_l_->remove_grob_property ("breakable");
-}
-
-void
-Score_engraver::acknowledge_grob (Grob_info gi)
-{
- if (Staff_spacing::has_interface (gi.grob_l_))
- {
- Pointer_group_interface::add_grob (command_column_l_,
- ly_symbol2scm ("spacing-wishes"),
- gi.grob_l_);
- }
- if (Note_spacing::has_interface (gi.grob_l_))
- {
- Pointer_group_interface::add_grob (musical_column_l_,
- ly_symbol2scm ("spacing-wishes"),
- gi.grob_l_);
- }
-}
-
-
-
-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",
-/* 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