/*
- rest.cc -- implement Rest
+ rest.cc -- implement Rest
source file of the GNU LilyPond music typesetter
- (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
+ (c) 1997--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
#include "molecule.hh"
#include "paper-def.hh"
-#include "lookup.hh"
+#include "font-interface.hh"
#include "rest.hh"
#include "dots.hh"
-#include "axis-group-element.hh"
-#include "p-score.hh"
+#include "paper-score.hh"
+#include "staff-symbol-referencer.hh"
-void
-Rest::do_add_processing ()
+// -> offset callback
+MAKE_SCHEME_CALLBACK (Rest,after_line_breaking,1);
+SCM
+Rest::after_line_breaking (SCM smob)
{
- if (balltype_i_ != 0 && balltype_i_ != 1)
- position_i_ -= 4;
- else if (balltype_i_ == 0)
- position_i_ += 2;
+ Grob *me = unsmob_grob (smob);
+ int bt = gh_scm2int (me->get_grob_property ("duration-log"));
+ if (bt == 0 && Staff_symbol_referencer::line_count (me) > 1)
+ {
+ me->translate_axis (Staff_symbol_referencer::staff_space (me) , Y_AXIS);
+ }
- Rhythmic_head::do_add_processing ();
- if (dots_l_ && balltype_i_ > 1)
+ Grob * d = unsmob_grob (me->get_grob_property ("dot"));
+ if (d && bt > 4) // UGH.
{
- dots_l_->position_i_ = position_i_ + 4;
+ d->set_grob_property ("staff-position",
+ gh_int2scm ((bt == 7) ? 4 : 3));
}
+
+ return SCM_UNSPECIFIED;
}
-Rest::Rest ()
+/*
+ make this function easily usable in C++
+ */
+
+String
+Rest::glyph_name (Grob * me, int balltype, String style)
{
- position_i_ =0;
+ bool ledger_b =false;
+
+ if (balltype == 0 || balltype == 1)
+ {
+ Real rad = Staff_symbol_referencer::staff_radius (me) * 2.0;
+ Real pos = Staff_symbol_referencer::get_position (me);
+
+ /*
+ Figure out when the rest is far enough outside the staff. This
+ could bemore generic, but hey, we understand this even after
+ dinner.
+
+ */
+ ledger_b = ledger_b || (balltype == 0 && (pos >= rad +2 || pos < -rad ));
+ ledger_b = ledger_b || (balltype == 1 &&
+ (pos <= -rad -2 || pos > rad));
+ }
+
+ return ("rests-") + to_string (balltype)
+ + (ledger_b ? "o" : "") + style;
}
-Molecule *
-Rest::brew_molecule_p () const
+
+
+
+MAKE_SCHEME_CALLBACK (Rest,brew_molecule,1);
+
+SCM
+Rest::brew_internal_molecule (SCM smob)
{
- int staff_size_i_ = 8;
- bool streepjes_b = abs(position_i_) > staff_size_i_ /2 &&
- (balltype_i_ == 0 || balltype_i_ == 1);
+ Grob* me = unsmob_grob (smob);
+
+ SCM balltype_scm = me->get_grob_property ("duration-log");
+ if (!gh_number_p (balltype_scm))
+ return Molecule ().smobbed_copy ();
+
+ int balltype = gh_scm2int (balltype_scm);
- Atom s(paper ()->lookup_l()->rest (balltype_i_, streepjes_b));
- Molecule * m = new Molecule ( Atom (s));
- m->translate_axis (position_i_ * paper ()->internote_f (), Y_AXIS);
- return m;
+ String style;
+ SCM style_sym =me->get_grob_property ("style");
+ if (gh_symbol_p (style_sym))
+ {
+ style = ly_scm2string (scm_symbol_to_string (style_sym));
+ }
+
+ for(;;) {
+ String idx = glyph_name (me, balltype, style);
+ Molecule res = Font_interface::get_default_font (me)->find_by_name (idx);
+ if(res.empty_b() && style!="")
+ style="";
+ else
+ return res.smobbed_copy();
+ }
+}
+
+SCM
+Rest::brew_molecule (SCM smob)
+{
+ return brew_internal_molecule (smob);
+}
+MAKE_SCHEME_CALLBACK (Rest,extent_callback,2);
+/*
+ We need the callback. The real molecule has ledgers depending on
+ Y-position. The Y-position is known only after line breaking. */
+SCM
+Rest::extent_callback (SCM smob, SCM ax)
+{
+ Axis a = (Axis) gh_scm2int (ax);
+ SCM m = brew_internal_molecule (smob);
+ return ly_interval2scm (unsmob_molecule (m)->extent (a));
}
-IMPLEMENT_IS_TYPE_B1(Rest, Rhythmic_head);
+
+
+ADD_INTERFACE (Rest,"rest-interface",
+ "a rest",
+ "style minimum-beam-collision-distance");
+