#include "output-def.hh"
#include "axis-group-interface.hh"
#include "context-def.hh"
-#include "staff-spacing.hh"
-#include "note-spacing.hh"
#include "global-context.hh"
#include "open-type-font.hh"
+#include "paper-column-engraver.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;
pscore_ = 0;
}
Engraver_group_engraver::derived_mark ();
}
-void
-Score_engraver::make_columns ()
-{
- /*
- ugh.
- */
- if (!command_column_)
- {
- SCM nmp
- = updated_grob_properties (context (),
- ly_symbol2scm ("NonMusicalPaperColumn"));
-
- Object_key const *key1 = context ()->get_grob_key ("NonMusicalPaperColumn");
-
- SCM pc = updated_grob_properties (context (),
- ly_symbol2scm ("PaperColumn"));
- Object_key const *key2 = context ()->get_grob_key ("PaperColumn");
- set_columns (new Paper_column (nmp, key1), new Paper_column (pc, key2));
-
- Grob_info i1 (this, command_column_);
- announce_grob (i1);
-
- Grob_info i2 (this, musical_column_);
- announce_grob (i2);
- }
-}
void
Score_engraver::prepare (Moment m)
{
- /*
- TODO: don't make columns when skipTypesetting is true.
- */
- make_columns ();
-
- SCM w = m.smobbed_copy ();
- command_column_->set_property ("when", w);
- musical_column_->set_property ("when", w);
-
- recurse_over_translators (context (), &Translator::start_translation_timestep, DOWN);
+ (void) m;
+
+ precomputed_recurse_over_translators (context (), START_TRANSLATION_TIMESTEP, DOWN);
}
void
Score_engraver::finish ()
{
- if ((breaks_ % 8))
- progress_indication ("[" + to_string (breaks_) + "]");
-
- recurse_over_translators (context (), &Translator::finalize, UP);
+ recurse_over_translators (context (), &Translator::finalize,
+ &Translator_group::finalize,
+ UP);
}
#define MUSIC_FONT "emmentaler-20"
+ _ ("Aborting"));
}
- pscore_ = new Paper_score (dynamic_cast<Output_def *> (get_output_def ()));
- scm_gc_unprotect_object (pscore_->self_scm ());
+ pscore_ = new Paper_score (dynamic_cast<Output_def *> (context ()->get_output_def ()));
+ pscore_->unprotect ();
SCM props = updated_grob_properties (context (), ly_symbol2scm ("System"));
Object_key const *sys_key = context ()->get_grob_key ("System");
pscore_->typeset_system (new System (props, sys_key));
-
system_ = pscore_->root_system ();
- make_columns ();
- system_->set_bound (LEFT, command_column_);
- command_column_->set_property ("breakable", SCM_BOOL_T);
-
+ context ()->set_property ("rootSystem", system_->self_scm ());
+
Engraver_group_engraver::initialize ();
}
{
Score_translator::finalize ();
- Grob *cc
- = unsmob_grob (get_property ("currentCommandColumn"));
- 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")))
+ if (!to_boolean (context ()->get_property ("skipTypesetting")))
{
- recurse_over_translators (context (), &Engraver::process_music, UP);
+ precomputed_recurse_over_translators (context (), PROCESS_MUSIC, UP);
Engraver_group_engraver::do_announces ();
}
- recurse_over_translators (context (), &Translator::stop_translation_timestep, UP);
+ precomputed_recurse_over_translators (context (), STOP_TRANSLATION_TIMESTEP, UP);
+ typeset_all ();
}
void
{
Grob *elem = elems_[i];
- if (dynamic_cast<Item *> (elem))
- {
- if ((!elem->get_parent (X_AXIS)
- || !unsmob_grob (elem->get_property ("axis-group-parent-X")))
- && elem != command_column_
- && elem != musical_column_)
- {
- bool br = to_boolean (elem->get_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 ()
+SCM
+Score_engraver::get_output ()
{
- // this generates all items.
- Engraver_group_engraver::stop_translation_timestep ();
-
- typeset_all ();
- if (to_boolean (command_column_->get_property ("breakable")))
- {
- breaks_++;
- if (! (breaks_%8))
- progress_indication ("[" + to_string (breaks_) + "]");
- }
-
- command_column_ = 0;
- musical_column_ = 0;
+ Music_output *o = pscore_;
+ return o->self_scm ();
}
+
+/*
+ UGH UGH
+ */
void
-Score_engraver::set_columns (Paper_column *new_command,
- Paper_column *new_musical)
+Score_engraver::forbid_breaks ()
{
- assert (!command_column_ && !musical_column_);
-
- command_column_ = new_command;
- musical_column_ = new_musical;
- if (new_command)
+ for (SCM s = simple_trans_list_; scm_is_pair (s); s = scm_cdr (s))
{
- context ()->set_property ("currentCommandColumn", new_command->self_scm ());
- }
-
- if (new_musical)
- {
- context ()->set_property ("currentMusicalColumn", new_musical->self_scm ());
+ Translator *tr = unsmob_translator (scm_car (s));
+ if (Paper_column_engraver* pce = dynamic_cast<Paper_column_engraver*> (tr))
+ {
+ pce->forbid_breaks ();
+ }
}
-
- system_->add_column (command_column_);
- system_->add_column (musical_column_);
-}
-
-SCM
-Score_engraver::get_output ()
-{
- Music_output *o = pscore_;
- return o->self_scm ();
}
bool
if (Engraver_group_engraver::try_music (m))
return true;
- if (m->is_mus_type ("break-event"))
- {
- SCM pen = command_column_->get_property ("penalty");
- Real total_penalty = scm_is_number (pen) ? scm_to_double (pen) : 0.0;
-
- SCM mpen = m->get_property ("penalty");
- if (scm_is_number (mpen))
- total_penalty += scm_to_double (mpen);
-
- command_column_->set_property ("penalty", scm_make_real (total_penalty));
-
- /* ugh. arbitrary, hardcoded */
- if (total_penalty > 10000.0)
- forbid_breaks ();
-
- SCM page_pen = command_column_->get_property ("page-penalty");
- Real total_pp = scm_is_number (page_pen) ? scm_to_double (page_pen) : 0.0;
- SCM mpage_pen = m->get_property ("page-penalty");
- if (scm_is_number (mpage_pen))
- total_pp += scm_to_double (mpage_pen);
-
- command_column_->set_property ("page-penalty", scm_make_real (total_pp));
- return true;
- }
return false;
}
-void
-Score_engraver::forbid_breaks ()
-{
- 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 ()))
- {
- 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 ());
- }
-
- if (Axis_group_interface::has_interface (gi.grob ())
- && gi.grob ()->internal_has_interface (ly_symbol2scm ("vertically-spaceable-interface")))
- {
- SCM spaceable = get_property ("verticallySpacedContexts");
- Context *orig = gi.origin_contexts (this)[0];
-
- if (scm_memq (ly_symbol2scm (orig->context_name ().to_str0 ()),
- spaceable) != SCM_BOOL_F)
- {
- Pointer_group_interface::add_grob (system_,
- ly_symbol2scm ("spaceable-staves"),
- gi.grob ());
- }
- }
-}
-
-ADD_TRANSLATOR (Score_engraver,
+ADD_TRANSLATOR_GROUP (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 there are no beams or notes that prevent a breakpoint.) ",
/* creats*/ "System PaperColumn NonMusicalPaperColumn",
/* accepts */ "break-event",
- /* acks */ "note-spacing-interface staff-spacing-interface axis-group-interface",
/* reads */ "currentMusicalColumn currentCommandColumn verticallySpacedContexts",
/* write */ "");
projects / lilypond.git / blobdiff