*/
#include "span-bar.hh"
-#include "lookup.hh"
+#include "font-interface.hh"
#include "dimensions.hh"
#include "paper-def.hh"
#include "molecule.hh"
#include "warn.hh"
#include "axis-group-interface.hh"
#include "group-interface.hh"
-#include "score-element.hh"
+#include "grob.hh"
#include "bar.hh"
void
-Span_bar::add_bar (Score_element*me, Score_element*b)
+Span_bar::add_bar (Grob*me, Grob*b)
{
- Pointer_group_interface gi (me);
- gi.add_element (b);
+ Pointer_group_interface::add_element (me,"elements", b);
me->add_dependency (b);
}
-Interval
-Span_bar::width_callback (Score_element *se, Axis )
+MAKE_SCHEME_CALLBACK(Span_bar,width_callback,2);
+SCM
+Span_bar::width_callback (SCM element_smob, SCM scm_axis)
{
- String gl = ly_scm2string (se->get_elt_property ("glyph"));
+ Grob *se = unsmob_grob (element_smob);
+ Axis a = (Axis) gh_scm2int (scm_axis);
+ assert (a == X_AXIS);
+ String gl = ly_scm2string (se->get_grob_property ("glyph"));
/*
urg.
*/
Molecule m = Bar::compound_barline (se, gl, 40 PT);
- return m.extent (X_AXIS);
+ return ly_interval2scm ( m.extent (X_AXIS));
}
-MAKE_SCHEME_CALLBACK(Span_bar,before_line_breaking);
+MAKE_SCHEME_CALLBACK(Span_bar,before_line_breaking,1);
SCM
Span_bar::before_line_breaking (SCM smob)
{
- evaluate_empty (unsmob_element (smob));
- evaluate_glyph (unsmob_element (smob));
+ evaluate_empty (unsmob_grob (smob));
+ evaluate_glyph (unsmob_grob (smob));
/*
no need to call Bar::before_line_breaking (), because the info
return SCM_UNSPECIFIED;
}
-Real
-Span_bar::center_on_spanned_callback (Score_element * me, Axis a)
+MAKE_SCHEME_CALLBACK(Span_bar,center_on_spanned_callback,2);
+
+SCM
+Span_bar::center_on_spanned_callback (SCM element_smob, SCM axis)
{
+ Grob *me = unsmob_grob (element_smob);
+ Axis a = (Axis) gh_scm2int (axis);
assert (a == Y_AXIS);
Interval i (get_spanned_interval (me));
Bar::brew_molecule delivers a barline of y-extent (-h/2,h/2), so
we have to translate ourselves to be in the center of the
interval that we span. */
-
- return i.center ();
+ if (i.empty_b ())
+ {
+ me->suicide();
+ return gh_double2scm (0.0);
+ }
+
+ return gh_double2scm (i.center ());
}
void
-Span_bar::evaluate_empty (Score_element*me)
+Span_bar::evaluate_empty (Grob*me)
{
/*
TODO: filter all hara-kiried out of ELEMENS list, and then
center_on_spanned_callback() as well.
*/
- if (!gh_pair_p (me->get_elt_property ("elements")))
+ if (!gh_pair_p (me->get_grob_property ("elements")))
{
me->suicide ();
}
}
void
-Span_bar::evaluate_glyph (Score_element*me)
+Span_bar::evaluate_glyph (Grob*me)
{
- SCM elts = me->get_elt_property ("elements");
- Score_element * b = unsmob_element (gh_car (elts));
+ SCM elts = me->get_grob_property ("elements");
+ Grob * b = unsmob_grob (gh_car (elts));
SCM glsym =ly_symbol2scm ("glyph");
- SCM gl =b ->get_elt_property (glsym);
+ SCM gl =b ->get_grob_property (glsym);
if (!gh_string_p (gl))
{
me->suicide ();
}
gl = ly_str02scm (type.ch_C());
- if (scm_equal_p (me->get_elt_property (glsym), gl) != SCM_BOOL_T)
- me->set_elt_property (glsym, gl);
+ if (scm_equal_p (me->get_grob_property (glsym), gl) != SCM_BOOL_T)
+ me->set_grob_property (glsym, gl);
}
Interval
-Span_bar::get_spanned_interval (Score_element*me)
+Span_bar::get_spanned_interval (Grob*me)
{
- return Axis_group_interface::group_extent_callback (me, Y_AXIS);
+ return ly_scm2interval (Axis_group_interface::group_extent_callback (me->self_scm(), gh_int2scm (Y_AXIS)));
}
-MAKE_SCHEME_CALLBACK(Span_bar,get_bar_size);
+MAKE_SCHEME_CALLBACK(Span_bar,get_bar_size,1);
SCM
Span_bar::get_bar_size (SCM smob)
{
- Score_element* me = unsmob_element (smob);
+ Grob* me = unsmob_grob (smob);
Interval iv (get_spanned_interval (me));
if (iv.empty_b ())
{
}
return gh_double2scm (iv.length ());
}
+
void
-Span_bar::set_interface (Score_element *me)
+Span_bar::set_interface (Grob *me)
{
Bar::set_interface (me);
- Pointer_group_interface(me).set_interface ();
- me->set_extent_callback (width_callback, X_AXIS);
- me->add_offset_callback (center_on_spanned_callback, Y_AXIS);
me->set_interface (ly_symbol2scm ("span-bar-interface"));
- me->set_extent_callback (0, Y_AXIS);
+ me->set_extent_callback (SCM_EOL, Y_AXIS);
}
bool
-Span_bar::has_interface (Score_element*m)
+Span_bar::has_interface (Grob*m)
{
return m && m->has_interface (ly_symbol2scm ("span-bar-interface"));
}