#include "molecule.hh"
#include "crescendo.hh"
+#include "spanner.hh"
#include "lookup.hh"
#include "dimensions.hh"
#include "paper-def.hh"
#include "debug.hh"
#include "paper-column.hh"
-
-Crescendo::Crescendo ()
+void
+Crescendo::set_interface (Score_element*s)
{
- set_elt_property ("dynamic-drul", gh_cons (SCM_BOOL_F, SCM_BOOL_F));
+ s->set_elt_pointer ("dynamic-drul", gh_cons (SCM_UNDEFINED, SCM_UNDEFINED));
}
-Molecule
-Crescendo::do_brew_molecule () const
+MAKE_SCHEME_SCORE_ELEMENT_CALLBACK(Crescendo,brew_molecule);
+SCM
+Crescendo::brew_molecule (SCM smob)
{
- Real absdyn_dim = paper_l ()-> get_var ("crescendo_shorten");
- Real extra_left = get_broken_left_end_align ();
+ Score_element *me= unsmob_element (smob);
+ Spanner * sp = dynamic_cast<Spanner*>(me);
+ Real absdyn_dim = me->paper_l ()-> get_var ("crescendo_shorten");
+ Real extra_left = sp->get_broken_left_end_align ();
- SCM dir = get_elt_property("grow-direction");
- SCM dyns = get_elt_property ("dynamic-drul");
+ SCM dir = me->get_elt_property("grow-direction");
+ SCM dyns = me->get_elt_property ("dynamic-drul");
if (!isdir_b (dir) || !gh_pair_p (dyns))
{
- Crescendo * me = (Crescendo*)this;
- me->set_elt_property ("transparent", SCM_BOOL_T);
- Molecule m;
-
- return m;
+ me->suicide ();
+ return SCM_EOL;
}
Direction gd = to_dir (dir);
- bool dynleft= to_boolean (gh_car (dyns));
- bool dynright = to_boolean (gh_cdr (dyns));
+ bool dynleft= unsmob_element (gh_car (dyns));
+ bool dynright = unsmob_element (gh_cdr (dyns));
if (dynleft)
extra_left += absdyn_dim;
-
-
- Real width = spanner_length()- get_broken_left_end_align ();
+ Real width = sp->spanner_length()- sp->get_broken_left_end_align ();
if (dynleft)
{
Drul_array<bool> broken;
Direction d = LEFT;
- do {
- Paper_column* s = dynamic_cast<Paper_column*>(spanned_drul_[d]); // UGH
- broken[d] = (!s->musical_b ());
- } while (flip (&d) != LEFT);
+ do
+ {
+ Paper_column* s = dynamic_cast<Paper_column*>(sp->get_bound (d)); // UGH
+ broken[d] = (!s->musical_b ());
+ }
+ while (flip (&d) != LEFT);
+
+ Molecule m;
+
+ Real pad = 0;
+ SCM s = me->get_elt_property ("start-text");
+ if (gh_string_p (s))
+ {
+ Molecule start_text (me->lookup_l ()->text ("italic",
+ ly_scm2string (s),
+ me->paper_l ()));
+ m.add_molecule (start_text);
- bool continued = broken[Direction (-gd)];
- Real height = paper_l()->get_var ("crescendo_height");
- Real thick = paper_l ()->get_var ("crescendo_thickness");
-
- const char* hairpin = (gd < 0)? "decrescendo" : "crescendo";
+ pad = me->paper_l ()->get_var ("interline") / 2;
- Box b (Interval (0, width),
- Interval (-2*height, 2*height));
+ width -= start_text.extent (X_AXIS).length ();
+ width -= pad;
+ width = width >? 0;
+ }
- SCM at = gh_list (ly_symbol2scm (hairpin),
- gh_double2scm (thick),
- gh_double2scm (width),
- gh_double2scm (height),
- gh_double2scm (continued ? height/2 : 0.0),
- SCM_UNDEFINED);
+ SCM at;
+ s =me->get_elt_property ("spanner");
+ Real height;
+ if (gh_string_p (s) && ly_scm2string (s) == "dashed-line")
+ {
+ Real thick = me->paper_l ()->get_var ("crescendo_dash_thickness");
+ Real dash = me->paper_l ()->get_var ("crescendo_dash");
+ height = thick;
+ at = gh_list (ly_symbol2scm (ly_scm2string (s).ch_C ()),
+ gh_double2scm (thick),
+ gh_double2scm (dash),
+ gh_double2scm (width),
+ SCM_UNDEFINED);
+ }
+ else
+ {
+ bool continued = broken[Direction (-gd)];
+ height = me->paper_l()->get_var ("crescendo_height");
+ Real thick = me->paper_l ()->get_var ("crescendo_thickness");
+
+ const char* hairpin = (gd < 0)? "decrescendo" : "crescendo";
+
+ at = gh_list (ly_symbol2scm (hairpin),
+ gh_double2scm (thick),
+ gh_double2scm (width),
+ gh_double2scm (height),
+ gh_double2scm (continued ? height/2 : 0.0),
+ SCM_UNDEFINED);
+ }
+ Box b (Interval (0, width), Interval (-2*height, 2*height));
+ Molecule span (b, at);
- Molecule m (b, at);
-
+ m.add_at_edge (X_AXIS, RIGHT, span, pad);
m.translate_axis (extra_left, X_AXIS);
- return m;
+
+ return m.create_scheme ();
}