source file of the GNU LilyPond music typesetter
- (c) 1997--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
+#include <math.h> // ceil
+
+#include "axis-group-interface.hh"
#include "dot-column.hh"
#include "note-column.hh"
#include "beam.hh"
#include "rest.hh"
#include "debug.hh"
#include "paper-def.hh"
+#include "group-interface.hh"
+#include "staff-symbol-referencer.hh"
bool
Note_column::rest_b () const
{
- return rest_l_arr_.size ();
+ SCM r = get_elt_property ("rests");
+
+ return gh_pair_p (r);
}
int
Note_column::shift_compare (Note_column *const &p1, Note_column*const&p2)
{
- SCM s1 = p1->get_elt_property (horizontal_shift_scm_sym);
- SCM s2 = p2->get_elt_property (horizontal_shift_scm_sym);
+ SCM s1 = p1->get_elt_property ("horizontal-shift");
+ SCM s2 = p2->get_elt_property ("horizontal-shift");
- int h1 = (s1 == SCM_BOOL_F) ? 0 : gh_scm2int (SCM_CDR(s1));
- int h2 = (s2 == SCM_BOOL_F) ? 0 : gh_scm2int (SCM_CDR(s2));
+ int h1 = (gh_number_p (s1))? gh_scm2int (s1) :0;
+ int h2 = (gh_number_p (s2)) ? gh_scm2int (s2):0;
return h1 - h2;
}
Note_column::Note_column()
{
- set_axes (X_AXIS,X_AXIS);
- stem_l_ = 0;
+ set_elt_property ("rests", SCM_EOL);
+ set_elt_property ("note-heads", SCM_EOL);
+ Axis_group_interface (this).set_interface ();
+ Axis_group_interface (this).set_axes (X_AXIS, Y_AXIS);
}
-void
-Note_column::sort()
+Stem *
+Note_column::stem_l () const
{
- head_l_arr_.sort (Note_head::compare);
+ SCM s = get_elt_property ("stem");
+ return dynamic_cast<Stem*> (unsmob_element (s));
+
}
+
Slice
Note_column::head_positions_interval() const
Slice iv;
iv.set_empty ();
- for (int i=0; i <head_l_arr_.size ();i ++)
+
+ SCM h = get_elt_property ("note-heads");
+ for (; gh_pair_p (h); h = gh_cdr (h))
{
- int j = head_l_arr_[i]->position_i_;
+ Score_element *se = unsmob_element (gh_car (h));
+ Staff_symbol_referencer_interface si (se);
+
+ int j = int (si.position_f ());
iv.unite (Slice (j,j));
}
return iv;
Direction
Note_column::dir () const
{
- if (stem_l_)
- return stem_l_->dir_;
- else if (head_l_arr_.size ())
- return sign (head_positions_interval().center ());
+ if (stem_l ())
+ return stem_l ()->get_direction ();
+ else if (gh_pair_p (get_elt_property ("note-heads")))
+ return (Direction)sign (head_positions_interval().center ());
- assert (false);
+ programming_error ("Note column without heads and stem!");
return CENTER;
}
void
Note_column::set_stem (Stem * stem_l)
{
- stem_l_ = stem_l;
+ set_elt_property ("stem", stem_l->self_scm_);
+
add_dependency (stem_l);
- add_element (stem_l);
+ Axis_group_interface (this).add_element (stem_l);
}
-void
-Note_column::do_substitute_element_pointer (Score_element*o, Score_element*n)
-{
- if (stem_l_ == o)
- {
- stem_l_ = n ? dynamic_cast<Stem *> (n):0;
- }
- if (dynamic_cast<Note_head *> (o))
- {
- head_l_arr_.substitute (dynamic_cast<Note_head *> (o),
- (n)? dynamic_cast<Note_head *> (n) : 0);
- }
-
- if (dynamic_cast<Rest *> (o))
- {
- rest_l_arr_.substitute (dynamic_cast<Rest *> (o),
- (n)? dynamic_cast<Rest *> (n) : 0);
- }
-}
void
Note_column::add_head (Rhythmic_head *h)
{
if (Rest*r=dynamic_cast<Rest *> (h))
{
- rest_l_arr_.push (r);
+ Group_interface gi (this, "rests");
+ gi.add_element (h);
}
if (Note_head *nh=dynamic_cast<Note_head *> (h))
{
- head_l_arr_.push (nh);
+ Group_interface gi (this, "note-heads");
+ gi.add_element (nh);
}
- add_element (h);
+ Axis_group_interface (this).add_element (h);
}
/**
void
Note_column::translate_rests (int dy_i)
{
- invalidate_cache (Y_AXIS);
- for (int i=0; i < rest_l_arr_.size(); i++)
- rest_l_arr_[i]->position_i_ += dy_i;
-}
+ SCM s = get_elt_property ("rests");
+ for (; gh_pair_p (s); s = gh_cdr (s))
+ {
+ Score_element * se = unsmob_element (gh_car (s));
+ Staff_symbol_referencer_interface si (se);
-void
-Note_column::do_print() const
-{
-#ifndef NPRINT
- DOUT << "rests: " << rest_l_arr_.size() << ", ";
- DOUT << "heads: " << head_l_arr_.size();
-#endif
+ se->translate_axis (dy_i * si.staff_space ()/2.0, Y_AXIS);
+ }
}
+
void
Note_column::set_dotcol (Dot_column *d)
{
- add_element (d);
+ Axis_group_interface (this).add_element (d);
}
/*
Should lookup
rest -> stem -> beam -> interpolate_y_position ()
-
*/
void
-Note_column::do_post_processing ()
+Note_column::after_line_breaking ()
{
- if (!stem_l_ || !rest_b ())
+ if (!stem_l () || !rest_b ())
return;
- Beam * b = stem_l_->beam_l_;
- if (!b || !b->stems_.size ())
+ Beam * b = stem_l ()->beam_l ();
+ if (!b || !b->visible_stem_count ())
return;
- /* ugh. Should be done by beam. */
- Direction d = stem_l_->get_dir ();
- Real beamy = (stem_l_->hpos_f () - b->stems_[0]->hpos_f ()) * b->slope_f_ + b->left_y_;
+ /* ugh. Should be done by beam.
+ (what? should be done --jcn)
+ scary too?: height is calculated during post_processing
+ */
+ Real beam_dy = 0;
+ Real beam_y = 0;
+
+ SCM s = b->get_elt_property ("height");
+ if (gh_number_p (s))
+ beam_dy = gh_scm2double (s);
+
+ s = b->get_elt_property ("y-position");
+ if (gh_number_p (s))
+ beam_y = gh_scm2double (s);
- Real staff_space = rest_l_arr_[0]->staff_line_leading_f ();
+
+ Real x0 = b->first_visible_stem ()->relative_coordinate (0, X_AXIS);
+ Real dx = b->last_visible_stem ()->relative_coordinate (0, X_AXIS) - x0;
+ Real dydx = beam_dy && dx ? beam_dy/dx : 0;
+
+ Direction d = stem_l ()->get_direction ();
+ Real beamy = (stem_l ()->relative_coordinate (0, X_AXIS) - x0) * dydx + beam_y;
+
+ s = get_elt_property ("rests");
+ Score_element * se = unsmob_element (gh_car (s));
+ Staff_symbol_referencer_interface si (se);
+
+ Real staff_space = si.staff_space ();
Real rest_dim = extent (Y_AXIS)[d]*2.0 /staff_space ;
Real minimum_dist
Real dist =
minimum_dist + -d * (beamy - rest_dim) >? 0;
- int stafflines = rest_l_arr_[0]->lines_i ();
+ int stafflines = si.line_count ();
// move discretely by half spaces.
int discrete_dist = int (ceil (dist ));
translate_rests (-d * discrete_dist);
}
+
+
+Interval
+Note_column::rest_dim () const
+{
+ Interval restdim;
+ SCM s = get_elt_property ("rests");
+ for (; gh_pair_p (s); s = gh_cdr (s))
+ {
+ Score_element * sc = unsmob_element ( gh_car (s));
+ restdim.unite (sc->extent (Y_AXIS));
+ }
+
+ return restdim;
+}
+
+Note_head*
+Note_column::first_head () const
+{
+ Stem * st = stem_l ();
+ return st? st->first_head (): 0;
+}
projects / lilypond.git / blobdiff