source file of the GNU LilyPond music typesetter
- (c) 1997--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2008 Han-Wen Nienhuys <hanwen@xs4all.nl>
*/
-#include <math.h> // ceil
-#include "axis-group-interface.hh"
#include "note-column.hh"
+
+#include <cmath> // ceil
+using namespace std;
+
+#include "accidental-placement.hh"
+#include "axis-group-interface.hh"
+#include "directional-element-interface.hh"
+#include "international.hh"
+#include "item.hh"
+#include "note-head.hh"
+#include "output-def.hh"
+#include "pointer-group-interface.hh"
+#include "rest.hh"
+#include "staff-symbol-referencer.hh"
#include "stem.hh"
#include "warn.hh"
-#include "paper-def.hh"
-#include "group-interface.hh"
-#include "staff-symbol-referencer.hh"
-#include "rest.hh"
-#include "note-head.hh"
-#include "accidental-placement.hh"
/*
TODO: figure out if we can prune this class. This is just an
annoying layer between (rest)collision & (note-head + stem)
- */
+*/
bool
-Note_column::has_rests (Grob*me)
+Note_column::has_rests (Grob *me)
{
- return unsmob_grob (me->get_property ("rest"));
+ return unsmob_grob (me->get_object ("rest"));
}
-int
-Note_column::shift_compare (Grob *const &p1, Grob *const&p2)
+bool
+Note_column::shift_less (Grob *const &p1, Grob *const &p2)
{
SCM s1 = p1->get_property ("horizontal-shift");
SCM s2 = p2->get_property ("horizontal-shift");
- int h1 = (ly_number_p (s1))? ly_scm2int (s1) :0;
- int h2 = (ly_number_p (s2)) ? ly_scm2int (s2):0;
- return h1 - h2;
+ int h1 = (scm_is_number (s1)) ? scm_to_int (s1) : 0;
+ int h2 = (scm_is_number (s2)) ? scm_to_int (s2) : 0;
+ return h1 < h2;
}
Item *
-Note_column::get_stem (Grob*me)
+Note_column::get_stem (Grob *me)
{
- SCM s = me->get_property ("stem");
- return unsmob_item (s);
+ SCM s = me->get_object ("stem");
+ return unsmob_item (s);
}
-
+
Slice
Note_column::head_positions_interval (Grob *me)
{
- Slice iv;
+ Slice iv;
iv.set_empty ();
- SCM h = me->get_property ("note-heads");
- for (; ly_pair_p (h); h = ly_cdr (h))
+ extract_grob_set (me, "note-heads", heads);
+ for (vsize i = 0; i < heads.size (); i++)
{
- Grob *se = unsmob_grob (ly_car (h));
-
+ Grob *se = heads[i];
+
int j = Staff_symbol_referencer::get_rounded_position (se);
- iv.unite (Slice (j,j));
+ iv.unite (Slice (j, j));
}
return iv;
}
Direction
-Note_column::dir (Grob* me)
+Note_column::dir (Grob *me)
{
- Grob *stem = unsmob_grob (me->get_property ("stem"));
+ Grob *stem = unsmob_grob (me->get_object ("stem"));
if (stem && Stem::has_interface (stem))
- return Stem::get_direction (stem);
- else if (ly_pair_p (me->get_property ("note-heads")))
- return (Direction)sign (head_positions_interval (me).center ());
+ return get_grob_direction (stem);
+ else
+ {
+ extract_grob_set (me, "note-heads", heads);
+ if (heads.size ())
+ return (Direction)sign (head_positions_interval (me).center ());
+ }
- programming_error ("Note column without heads and stem!");
+ programming_error ("note column without heads and stem");
return CENTER;
}
-
void
-Note_column::set_stem (Grob*me,Grob * stem)
+Note_column::set_stem (Grob *me, Grob *stem)
{
- me->set_property ("stem", stem->self_scm ());
- me->add_dependency (stem);
+ me->set_object ("stem", stem->self_scm ());
Axis_group_interface::add_element (me, stem);
}
-
-Grob*
-Note_column::get_rest (Grob*me)
+Grob *
+Note_column::get_rest (Grob *me)
{
- return unsmob_grob (me->get_property ("rest"));
+ return unsmob_grob (me->get_object ("rest"));
}
-
+
void
-Note_column::add_head (Grob*me,Grob *h)
+Note_column::add_head (Grob *me, Grob *h)
{
bool both = false;
if (Rest::has_interface (h))
{
- if (ly_pair_p (me->get_property ("note-heads")))
+ extract_grob_set (me, "note-heads", heads);
+ if (heads.size ())
both = true;
else
- me->set_property ("rest", h->self_scm ());
+ me->set_object ("rest", h->self_scm ());
}
else if (Note_head::has_interface (h))
{
- if (unsmob_grob (me->get_property ("rest")))
+ if (unsmob_grob (me->get_object ("rest")))
both = true;
- Pointer_group_interface::add_grob (me, ly_symbol2scm ("note-heads"),h);
+ Pointer_group_interface::add_grob (me, ly_symbol2scm ("note-heads"), h);
}
if (both)
- me->warning ("Can't have rests and note heads together on a stem.");
+ me->warning (_ ("cannot have note heads and rests together on a stem"));
else
Axis_group_interface::add_element (me, h);
}
/**
- translate the rest symbols vertically by amount DY, but only if
- they have no staff-position set.
+ translate the rest symbols vertically by amount DY, but only if
+ they have no staff-position set.
*/
void
-Note_column::translate_rests (Grob*me, int dy)
+Note_column::translate_rests (Grob *me, int dy)
{
- Grob * r = unsmob_grob (me->get_property ("rest"));
- if (r && !ly_number_p (r->get_property ("staff-position")))
+ Grob *r = unsmob_grob (me->get_object ("rest"));
+ if (r && !scm_is_number (r->get_property ("staff-position")))
{
- r->translate_axis (dy * Staff_symbol_referencer::staff_space (r)/2.0, Y_AXIS);
+ r->translate_axis (dy * Staff_symbol_referencer::staff_space (r) / 2.0, Y_AXIS);
+ Grob *p = r->get_parent (Y_AXIS);
+ p->flush_extent_cache (Y_AXIS);
}
}
-
-void
-Note_column::set_dotcol (Grob*me,Grob *d)
-{
- Axis_group_interface::add_element (me, d);
-}
-
-
-
-
-Grob*
-Note_column::first_head (Grob*me)
+Grob *
+Note_column::first_head (Grob *me)
{
- Grob * st = get_stem (me);
- return st? Stem::first_head (st): 0;
+ Grob *st = get_stem (me);
+ return st ? Stem::first_head (st) : 0;
}
-
/*
- Return the first Accidentals grob that we find in a note-head.
- */
-Grob*
+ Return the first Accidentals grob that we find in a note-head.
+*/
+Grob *
Note_column::accidentals (Grob *me)
{
- SCM heads = me->get_property ("note-heads");
- Grob * acc = 0;
- for (;ly_pair_p (heads); heads =ly_cdr (heads))
+ extract_grob_set (me, "note-heads", heads);
+ Grob *acc = 0;
+ for (vsize i = 0; i < heads.size (); i++)
{
- Grob * h = unsmob_grob (ly_car (heads));
- acc = h ? unsmob_grob (h->get_property ("accidental-grob")) : 0;
+ Grob *h = heads[i];
+ acc = h ? unsmob_grob (h->get_object ("accidental-grob")) : 0;
if (acc)
break;
}
if (!acc)
return 0;
-
+
if (Accidental_placement::has_interface (acc->get_parent (X_AXIS)))
return acc->get_parent (X_AXIS);
/* compatibility. */
- return acc;
+ return acc;
}
+Grob *
+Note_column::dot_column (Grob *me)
+{
+ extract_grob_set (me, "note-heads", heads);
+ for (vsize i = 0; i < heads.size (); i++)
+ {
+ Grob *dots = unsmob_grob (heads[i]->get_object ("dot"));
+ if (dots)
+ return dots->get_parent (X_AXIS);
+ }
+
+ return 0;
+}
+Grob *
+Note_column::arpeggio (Grob *me)
+{
+ return unsmob_grob (me->get_object ("arpeggio"));
+}
+
+/* If a note-column contains a cross-staff stem then
+ nc->extent (Y_AXIS, refp) will not consider the extent of the stem.
+ If you want the extent of the stem to be included (and you are safe
+ from any cross-staff issues) then call this function instead. */
+Interval
+Note_column::cross_staff_extent (Grob *me, Grob *refp)
+{
+ Interval iv = me->extent (refp, Y_AXIS);
+ if (Grob *s = get_stem (me))
+ iv.unite (s->extent (refp, Y_AXIS));
-ADD_INTERFACE (Note_column,"note-column-interface",
- "Stem and noteheads combined",
- "arpeggio note-heads rest-collision rest horizontal-shift stem accidentals force-hshift");
+ return iv;
+}
+ADD_INTERFACE (Note_column,
+ "Stem and noteheads combined.",
+
+ /* properties */
+ "arpeggio "
+ "force-hshift "
+ "horizontal-shift "
+ "ignore-collision "
+ "note-heads "
+ "rest "
+ "rest-collision "
+ "stem "
+ );
projects / lilypond.git / blobdiff