/*
- collision-reg.cc -- implement Collision_engraver
+ This file is part of LilyPond, the GNU music typesetter.
- source file of the GNU LilyPond music typesetter
+ Copyright (C) 1997--2011 Han-Wen Nienhuys <hanwen@xs4all.nl>
- (c) 1997--1998 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ LilyPond is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ LilyPond is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
*/
+#include "engraver.hh"
#include "note-column.hh"
-#include "collision-engraver.hh"
-#include "collision.hh"
+#include "note-collision.hh"
+#include "axis-group-interface.hh"
+#include "item.hh"
+
+class Collision_engraver : public Engraver
+{
+ Item *col_;
+ vector<Grob*> note_columns_;
+
+protected:
+ DECLARE_ACKNOWLEDGER (note_column);
+ void process_acknowledged ();
+ void stop_translation_timestep ();
+public:
+ TRANSLATOR_DECLARATIONS (Collision_engraver);
+};
void
Collision_engraver::process_acknowledged ()
{
-
- if (col_p_ || note_column_l_arr_.size () < 2)
- return ;
- if (!col_p_)
- {
- col_p_ = new Collision;
- announce_element (Score_element_info (col_p_,0));
- }
- for (int i=0; i< note_column_l_arr_.size (); i++)
- col_p_->add_column (note_column_l_arr_[i]);
+ if (col_ || note_columns_.size () < 2)
+ return;
+ if (!col_)
+ col_ = make_item ("NoteCollision", SCM_EOL);
+
+ for (vsize i = 0; i < note_columns_.size (); i++)
+ Note_collision_interface::add_column (col_, note_columns_[i]);
}
void
-Collision_engraver::acknowledge_element (Score_element_info i)
+Collision_engraver::acknowledge_note_column (Grob_info i)
{
- if (Note_column * c = dynamic_cast<Note_column *> (i.elem_l_))
+ if (Note_column::has_interface (i.grob ()))
{
- if (c->rest_b ())
- return ;
+ /*should check Y axis? */
+ if (Note_column::has_rests (i.grob ()) || i.grob ()->get_parent (X_AXIS))
+ return;
- note_column_l_arr_.push (c);
+ if (to_boolean (i.grob ()->get_property ("ignore-collision")))
+ return;
+
+ note_columns_.push_back (i.grob ());
}
}
void
-Collision_engraver::do_pre_move_processing()
+Collision_engraver::stop_translation_timestep ()
{
- if (col_p_)
- {
- typeset_element (col_p_);
- col_p_ =0;
- }
- note_column_l_arr_.clear ();
+ col_ = 0;
+ note_columns_.clear ();
}
-Collision_engraver::Collision_engraver()
+Collision_engraver::Collision_engraver ()
{
- col_p_ =0;
+ col_ = 0;
}
+#include "translator.icc"
+
+ADD_ACKNOWLEDGER (Collision_engraver, note_column);
+
+ADD_TRANSLATOR (Collision_engraver,
+ /* doc */
+ "Collect @code{NoteColumns}, and as soon as there are two or"
+ " more, put them in a @code{NoteCollision} object.",
+
+ /* create */
+ "NoteCollision ",
+ /* read */
+ "",
-ADD_THIS_TRANSLATOR(Collision_engraver);
+ /* write */
+ ""
+ );