#include "staff-symbol-referencer.hh"
#include "staff-symbol.hh"
#include "paper-def.hh"
-#include "dimension-cache.hh"
-Staff_symbol_referencer_interface::Staff_symbol_referencer_interface (Score_element const *sc)
-{
- elt_l_ = (Score_element*)sc;
-}
+
+
void
-Staff_symbol_referencer_interface::set_interface (Score_element * e)
+Staff_symbol_referencer::set_interface (Score_element * e)
{
if (!gh_number_p (e->get_elt_property ("staff-position")))
e->set_elt_property ("staff-position", gh_double2scm (0.0));
}
bool
-Staff_symbol_referencer_interface::has_interface_b (Score_element*e)
+Staff_symbol_referencer::has_interface (Score_element*e)
{
- return unsmob_element (e->get_elt_pointer ("staff-symbol"))
+ return unsmob_element (e->get_elt_property ("staff-symbol"))
|| gh_number_p (e->get_elt_property ("staff-position"));
}
int
-Staff_symbol_referencer_interface::line_count () const
+Staff_symbol_referencer::line_count (Score_element*me)
+{
+ Score_element *st = staff_symbol_l (me);
+ return st ? Staff_symbol::line_count (st) : 0;
+}
+
+bool
+Staff_symbol_referencer::on_staffline (Score_element*me)
{
- Staff_symbol *st = staff_symbol_l ();
- return st ? st->line_count () : 0;
+ return on_staffline (me, (int) position_f (me));
}
-Staff_symbol*
-Staff_symbol_referencer_interface::staff_symbol_l () const
+bool
+Staff_symbol_referencer::on_staffline (Score_element*me, int pos)
{
- SCM st = elt_l_->get_elt_pointer ("staff-symbol");
- return dynamic_cast<Staff_symbol* > (unsmob_element(st));
+ int sz = line_count (me)-1;
+ return ((pos + sz) % 2) == 0;
+}
+
+Score_element*
+Staff_symbol_referencer::staff_symbol_l (Score_element*me)
+{
+ SCM st = me->get_elt_property ("staff-symbol");
+ return unsmob_element(st);
}
Real
-Staff_symbol_referencer_interface::staff_space () const
+Staff_symbol_referencer::staff_space (Score_element*me)
{
- Staff_symbol * st = staff_symbol_l ();
+ Score_element * st = staff_symbol_l (me);
if (st)
- return st->staff_space ();
- else if (elt_l_->pscore_l_ && elt_l_->paper_l ())
- return elt_l_->paper_l ()->get_var ("interline");
+ return Staff_symbol::staff_space (st);
+ else if (me->pscore_l_ && me->paper_l ())
+ return me->paper_l ()->get_var ("staffspace");
return 0.0;
}
Real
-Staff_symbol_referencer_interface::position_f () const
+Staff_symbol_referencer::position_f (Score_element*me)
{
Real p =0.0;
- Staff_symbol * st = staff_symbol_l ();
- Score_element * c = st ? elt_l_->common_refpoint (st, Y_AXIS) : 0;
+ Score_element * st = staff_symbol_l (me);
+ Score_element * c = st ? me->common_refpoint (st, Y_AXIS) : 0;
if (st && c)
{
- Real y = elt_l_->relative_coordinate (c, Y_AXIS)
+ Real y = me->relative_coordinate (c, Y_AXIS)
- st->relative_coordinate (c, Y_AXIS);
- p += 2.0 * y / st->staff_space ();
+ p += 2.0 * y / Staff_symbol::staff_space (st);
}
else
{
- SCM pos = elt_l_->get_elt_property ("staff-position");
+ SCM pos = me->get_elt_property ("staff-position");
if (gh_number_p (pos))
return gh_scm2double (pos);
}
should use offset callback!
*/
Real
-Staff_symbol_referencer_interface::callback (Score_element * sc,Axis )
+Staff_symbol_referencer::callback (Score_element * sc,Axis )
{
Score_element* me = (Score_element*)sc; // UGH.
Real off =0.0;
if (gh_number_p (pos))
{
- Real space = Staff_symbol_referencer_interface (sc).staff_space ();
+ Real space = Staff_symbol_referencer::staff_space (sc);
off = gh_scm2double (pos) * space/2.0;
}
*/
void
-Staff_symbol_referencer_interface::set_position (Real p)
+Staff_symbol_referencer::set_position (Score_element*me,Real p)
{
- Staff_symbol * st = staff_symbol_l ();
- if (st && elt_l_->common_refpoint(st, Y_AXIS))
+ Score_element * st = staff_symbol_l (me);
+ if (st && me->common_refpoint(st, Y_AXIS))
{
- Real oldpos = position_f ();
- elt_l_->set_elt_property ("staff-position", gh_double2scm (p - oldpos));
+ Real oldpos = position_f (me);
+ me->set_elt_property ("staff-position", gh_double2scm (p - oldpos));
}
else
{
- elt_l_->set_elt_property ("staff-position",
+ me->set_elt_property ("staff-position",
gh_double2scm (p));
}
- if (elt_l_->has_offset_callback_b (callback, Y_AXIS))
+ if (me->has_offset_callback_b (callback, Y_AXIS))
return ;
- elt_l_->add_offset_callback (callback, Y_AXIS);
+ me->add_offset_callback (callback, Y_AXIS);
+}
+
+/*
+ half of the height, in staff space.
+ */
+Real
+Staff_symbol_referencer::staff_radius (Score_element*me)
+{
+ return (line_count (me) -1) / 2;
}
int
compare_position (Score_element *const &a, Score_element * const &b)
{
- Staff_symbol_referencer_interface s1(a);
- Staff_symbol_referencer_interface s2(b);
-
- return sign(s1.position_f () - s2.position_f ());
+ return sign (Staff_symbol_referencer::position_f((Score_element*)a) -
+ Staff_symbol_referencer::position_f((Score_element*)b));
}