/*
- rest.cc -- implement Rest
+ rest.cc -- implement Rest
- source file of the LilyPond music typesetter
+ source file of the GNU LilyPond music typesetter
- (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
+ (c) 1997--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
-#include "duration.hh"
-#include "rest.hh"
-#include "dimen.hh"
-#include "debug.hh"
+
+#include "stencil.hh"
#include "paper-def.hh"
-#include "lookup.hh"
-#include "molecule.hh"
+#include "font-interface.hh"
#include "rest.hh"
+#include "dots.hh"
+#include "paper-score.hh"
+#include "staff-symbol-referencer.hh"
+#include "directional-element-interface.hh"
-Rest::Rest(Duration d)
+// -> offset callback
+MAKE_SCHEME_CALLBACK (Rest,after_line_breaking,1);
+SCM
+Rest::after_line_breaking (SCM smob)
{
- balltype = d.type_i_;
- dots = d.dots_i_;
- pos_i_ = 0;
+ Grob *me = unsmob_grob (smob);
+ int bt = gh_scm2int (me->get_grob_property ("duration-log"));
+ int lc = Staff_symbol_referencer::line_count (me);
+ Real ss = Staff_symbol_referencer::staff_space (me);
+ if(lc % 2)
+ {
+ if (bt == 0 && lc > 1)
+ {
+ me->translate_axis (ss , Y_AXIS);
+ }
+ }
+ else
+ {
+ me->translate_axis (ss/2 , Y_AXIS);
+ }
+
+ Grob * d = unsmob_grob (me->get_grob_property ("dot"));
+ if (d && bt > 4) // UGH.
+ {
+ d->set_grob_property ("staff-position",
+ gh_int2scm ((bt == 7) ? 4 : 3));
+ }
+ if (d && bt >= -1 && bt <= 1) // UGH again.
+ {
+ d->set_grob_property ("staff-position",
+ gh_int2scm ((bt == 0) ? -1 : 1));
+ }
+ return SCM_UNSPECIFIED;
}
+/*
+ make this function easily usable in C++
+ */
+String
+Rest::glyph_name (Grob *me, int balltype, String style)
+{
+ bool ledgered_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);
-IMPLEMENT_STATIC_NAME(Rest);
+ /*
+ Figure out when the rest is far enough outside the staff. This
+ could bemore generic, but hey, we understand this even after
+ dinner.
+ */
+ ledgered_b |= (balltype == 0) && (pos >= +rad + 2 || pos < -rad);
+ ledgered_b |= (balltype == 1) && (pos <= -rad - 2 || pos > +rad);
+ }
-void
-Rest::do_print()const
-{
-#ifndef NPRINT
- mtor << "Rest "<<balltype<< "dots " << dots;
- Item::print();
-#endif
+ String actual_style (style.to_str0 ());
+
+ if ((style == "mensural") || (style == "neo_mensural")) {
+
+ /*
+ FIXME: Currently, ancient font does not provide ledgered rests;
+ hence the "o" suffix in the glyph name is bogus. But do we need
+ ledgered rests at all now that we can draw ledger lines with
+ variable width, length and blotdiameter? -- jr
+ */
+ ledgered_b = 0;
+
+ /*
+ There are no 32th/64th/128th mensural/neo_mensural rests. In
+ these cases, revert back to default style.
+ */
+ if (balltype > 4)
+ actual_style = "";
+ }
+
+ if ((style == "classical") && (balltype != 2)) {
+ /*
+ classical style: revert back to default style for any rest other
+ than quarter rest
+ */
+ actual_style = "";
+ }
+
+ if (style == "default") {
+ /*
+ Some parts of lily still prefer style "default" over "".
+ Correct this here. -- jr
+ */
+ actual_style = "";
+ }
+
+ return ("rests-") + to_string (balltype) + (ledgered_b ? "o" : "") + actual_style;
}
-Molecule*
-Rest::brew_molecule_p()const
+
+MAKE_SCHEME_CALLBACK (Rest,print,1);
+
+SCM
+Rest::brew_internal_stencil (SCM smob)
{
- Paper_def *p =paper();
-
- Symbol s;
- s = p->lookup_l()->rest(balltype);
-
- Molecule *m = new Molecule(Atom(s));
- if (dots) {
- Symbol d =p->lookup_l()->dots(dots);
- Molecule dm;
- dm.add(Atom(d));
- m->add_right(dm);
+ Grob* me = unsmob_grob (smob);
+
+ SCM balltype_scm = me->get_grob_property ("duration-log");
+ if (!gh_number_p (balltype_scm))
+ return Stencil ().smobbed_copy ();
+
+ int balltype = gh_scm2int (balltype_scm);
+
+ String style;
+ SCM style_scm = me->get_grob_property ("style");
+ if (gh_symbol_p (style_scm))
+ {
+ style = ly_scm2string (scm_symbol_to_string (style_scm));
}
- m->translate(Offset(0,pos_i_ * paper()->internote()));
- return m;
+
+ Font_metric *fm = Font_interface::get_default_font (me);
+ String font_char = glyph_name (me, balltype, style);
+ Stencil out = fm->find_by_name (font_char);
+ if (out.is_empty ())
+ {
+ me->warning (_f ("rest `%s' not found, ", font_char.to_str0 ()));
+ }
+
+ return out.smobbed_copy();
}
+SCM
+Rest::print (SCM smob)
+{
+ return brew_internal_stencil (smob);
+}
+MAKE_SCHEME_CALLBACK (Rest,extent_callback,2);
+/*
+ We need the callback. The real stencil 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_stencil (smob);
+ return ly_interval2scm (unsmob_stencil (m)->extent (a));
+}
+
+MAKE_SCHEME_CALLBACK (Rest,polyphonic_offset_callback,2);
+SCM
+Rest::polyphonic_offset_callback (SCM smob, SCM)
+{
+ Grob* me = unsmob_grob (smob);
+ Direction d = get_grob_direction (me);
+ Real off = 2* d ;
+ if(off)
+ off *= Staff_symbol_referencer::staff_space (me);
+ return gh_double2scm (off);
+}
+
+ADD_INTERFACE (Rest,"rest-interface",
+ "a rest",
+ "style minimum-distance");
+
projects / lilypond.git / blobdiff