+++ /dev/null
-/*
- extender-spanner.cc -- implement Extender_spanner
-
- source file of the GNU LilyPond music typesetter
-
- (c) 1998--2000 Jan Nieuwenhuizen <janneke@gnu.org>
-*/
-
-/*
- TODO: too complicated implementation. Why the dx_drul?.
- */
-
-#
-#include "dimension-cache.hh"
-#include "box.hh"
-#include "debug.hh"
-#include "lookup.hh"
-#include "molecule.hh"
-#include "paper-column.hh"
-#include "paper-def.hh"
-#include "extender-spanner.hh"
-
-Extender_spanner::Extender_spanner (SCM s)
- : Spanner (s)
-
-{
- dx_f_drul_[LEFT] = dx_f_drul_[RIGHT] = 0.0;
- set_extent_callback (Score_element::point_dimension_callback, Y_AXIS);
-}
-
-
-
-
-Molecule
-Extender_spanner::do_brew_molecule () const
-{
- Molecule mol;
-
- Real w = spanner_length ();
-
- w += (dx_f_drul_[RIGHT] - dx_f_drul_[LEFT]);
- Real h = paper_l ()->get_var ("extender_height");
- Molecule a = lookup_l ()->filledbox ( Box (Interval (0,w), Interval (0,h)));
- a.translate (Offset (dx_f_drul_[LEFT], 0));
-
- mol.add_molecule (a);
-
- return mol;
-}
-
-
-
-void
-Extender_spanner::after_line_breaking ()
-{
- // UGH
- Real gap = paper_l ()->get_var ("interline");
-
- Direction d = LEFT;
- do
- {
- Item* t = get_bound (d)
- ? get_bound (d) : get_bound ((Direction)-d);
- if (d == LEFT)
- dx_f_drul_[d] += t->extent (X_AXIS).length ();
- else
- dx_f_drul_[d] -= d * gap / 2;
- }
- while (flip(&d) != LEFT);
-}
-
-
-void
-Extender_spanner::set_textitem (Direction d, Item* textitem_l)
-{
- set_bound (d, textitem_l);
- add_dependency (textitem_l);
-}
-
-
+++ /dev/null
-/*
- extender-engraver.hh -- declare Extender_engraver
-
- source file of the GNU LilyPond music typesetter
-
- (c) 1999 Glen Prideaux <glenprideaux@iname.com>,
- Han-Wen Nienhuys, Jan Nieuwenhuizen.
-*/
-
-#ifndef EXTENDER_ENGRAVER_HH
-#define EXTENDER_ENGRAVER_HH
-
-#include "engraver.hh"
-#include "drul-array.hh"
-#include "extender-spanner.hh"
-#include "pqueue.hh"
-#include "extender-engraver.hh"
-
-
-/**
- Generate an centred extender. Should make a Extender_spanner that
- typesets a nice centred extender of varying length depending on the
- gap between syllables.
-
- We remember the last Text_item that come across. When we get a
- request, we create the spanner, and attach the left point to the
- last lyrics, and the right point to any lyrics we receive by
- then. */
-class Extender_engraver : public Engraver
-{
- Text_item * last_lyric_l_;
- Text_item * current_lyric_l_;
- Extender_req* req_l_;
- Extender_spanner* extender_spanner_p_;
-public:
- Extender_engraver ();
- VIRTUAL_COPY_CONS (Translator);
-
-protected:
- virtual void acknowledge_element (Score_element_info);
- virtual void do_removal_processing();
- virtual void do_process_music();
- virtual bool do_try_music (Music*);
- virtual void do_pre_move_processing();
- virtual void do_post_move_processing ();
-private:
-
-};
-
-#endif // EXTENDER_ENGRAVER_HH