source file of the GNU LilyPond music typesetter
- (c) 1997--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
+#include <math.h>
-#include "dimension-cache.hh"
+#include "main.hh"
+#include "dimensions.hh"
+#include "score-element.hh"
#include "bar.hh"
#include "string.hh"
#include "molecule.hh"
#include "paper-def.hh"
#include "lookup.hh"
#include "debug.hh"
+#include "all-font-metrics.hh"
+#include "item.hh"
+#include "staff-symbol-referencer.hh"
+MAKE_SCHEME_CALLBACK(Bar,brew_molecule,1);
-Bar::Bar ()
+SCM
+Bar::brew_molecule (SCM smob)
{
- set_elt_property ("breakable", SCM_BOOL_T);
- type_str_ = "|";
-}
+ Score_element * me = unsmob_element (smob);
-void
-Bar::do_print () const
-{
-#ifndef NPRINT
- String s = type_str_;
- DEBUG_OUT << "type = " << s;
-#endif
+ SCM s = me->get_elt_property ("glyph");
+ SCM barsiz_proc = me->get_elt_property ("barsize-procedure");
+ if (gh_string_p (s) && gh_procedure_p (barsiz_proc))
+ {
+ String str =ly_scm2string (s);
+ SCM siz = gh_call1 (barsiz_proc, me->self_scm ());
+ Real sz = gh_scm2double (siz);
+ if (sz < 0)
+ return SCM_EOL;
+
+ return compound_barline (me, str, sz).create_scheme ();
+ }
+ return SCM_EOL;
}
-Real
-Bar::get_bar_size () const
+
+Molecule
+Bar::compound_barline (Score_element*me, String str, Real h)
{
- // Never called!
- return 0;
-}
+ Real kern = gh_scm2double (me->get_elt_property ("kern"));
+ Real thinkern = gh_scm2double (me->get_elt_property ("thin-kern"));
+ Real hair = gh_scm2double (me->get_elt_property ("hair-thickness"));
+ Real fatline = gh_scm2double (me->get_elt_property ("thick-thickness"));
+ Real staffline = me->paper_l ()->get_var ("stafflinethickness");
-Molecule*
-Bar::do_brew_molecule_p () const
-{
- Molecule *output = new Molecule (lookup_l ()->bar (type_str_, get_bar_size (), paper_l ()));
+ kern *= staffline;
+ thinkern *= staffline;
+ hair *= staffline;
+ fatline *= staffline;
- return output;
+ Molecule thin = simple_barline (me, hair, h);
+ Molecule thick = simple_barline (me, fatline, h);
+ Molecule colon = me->lookup_l ()->afm_find ("dots-repeatcolon");
+
+ Molecule m;
+
+ if (str == "")
+ {
+ return me->lookup_l ()->blank (Box (Interval(0, 0), Interval (-h/2, h/2)));
+ }
+ else if (str == "|")
+ {
+ return thin;
+ }
+ else if (str == "|.")
+ {
+ m.add_at_edge (X_AXIS, LEFT, thick, 0);
+ m.add_at_edge (X_AXIS, LEFT, thin, kern);
+ }
+ else if (str == ".|")
+ {
+ m.add_at_edge (X_AXIS, RIGHT, thick, 0);
+ m.add_at_edge (X_AXIS, RIGHT, thin, kern);
+ }
+ else if (str == ":|")
+ {
+ m.add_at_edge (X_AXIS, LEFT, thick, 0);
+ m.add_at_edge (X_AXIS, LEFT, thin, kern);
+ m.add_at_edge (X_AXIS, LEFT, colon, kern);
+ }
+ else if (str == "|:")
+ {
+ m.add_at_edge (X_AXIS, RIGHT, thick, 0);
+ m.add_at_edge (X_AXIS, RIGHT, thin, kern);
+ m.add_at_edge (X_AXIS, RIGHT, colon, kern);
+ }
+ else if (str == ":|:")
+ {
+ m.add_at_edge (X_AXIS, LEFT, thick, thinkern);
+ m.add_at_edge (X_AXIS, LEFT, colon, kern);
+ m.add_at_edge (X_AXIS, RIGHT, thick, kern);
+ m.add_at_edge (X_AXIS, RIGHT, colon, kern);
+ }
+ else if (str == ".|.")
+ {
+ m.add_at_edge (X_AXIS, LEFT, thick, thinkern);
+ m.add_at_edge (X_AXIS, RIGHT, thick, kern);
+ }
+ else if (str == "||")
+ {
+ m.add_at_edge (X_AXIS, RIGHT, thin, 0);
+ m.add_at_edge (X_AXIS, RIGHT, thin, thinkern);
+ }
+
+ return m;
}
-/**
- Prescriptions for splitting bars.
- TODO: put this in SCM.
- */
-static char const *bar_breaks[][3] ={
- {":|", ":|:", "|:"},
- {"|", "|", ""},
- {"", "|s", "|"},
- {"|", "|:", "|:"},
- {"|.", "|.", ""},
- {":|", ":|", ""},
- {"||", "||", ""},
- {".|.", ".|.", ""},
- {"", "scorebar", "scorepostbreak"},
- {"", "brace", "brace"},
- {"", "bracket", "bracket"},
- {0,0,0}
-};
-void
-Bar::do_pre_processing ()
+Molecule
+Bar::simple_barline (Score_element*me,Real w, Real h)
+{
+ return me->lookup_l ()->filledbox (Box (Interval(0,w), Interval(-h/2, h/2)));
+}
+
+MAKE_SCHEME_CALLBACK(Bar,before_line_breaking ,1);
+
+SCM
+Bar::before_line_breaking (SCM smob)
{
- for (int i=0; bar_breaks[i][0]; i++)
+ Score_element*me=unsmob_element (smob);
+ Item * item = dynamic_cast<Item*> (me);
+
+ SCM g = me->get_elt_property ("glyph");
+ SCM orig = g;
+ Direction bsd = item->break_status_dir ();
+ if (gh_string_p (g) && bsd)
{
- if (bar_breaks[i][1] == type_str_)
- {
- type_str_ = bar_breaks[i][break_status_dir ()+1];
- break;
- }
+ SCM proc = me->get_elt_property ("break-glyph-function");
+ g = gh_call2 (proc, g, gh_int2scm (bsd));
}
-
- if (remove_elt_property ("at-line-start") == SCM_BOOL_T // UGR.
- && (break_status_dir () == RIGHT) && (type_str_ == ""))
+
+ if (!gh_string_p (g))
{
- type_str_ = "|";
+ me->set_elt_property ("molecule-callback", SCM_BOOL_T);
+ me->set_extent_callback (SCM_EOL, X_AXIS);
+ // leave y_extent for spanbar?
}
- if (type_str_ =="")
- set_empty (X_AXIS);
+ if (! gh_equal_p (g, orig))
+ me->set_elt_property ("glyph", g);
+
+
+ return SCM_UNSPECIFIED;
}
+void
+Bar::set_interface (Score_element*me)
+{
+ me->set_elt_property ("interfaces",
+ gh_cons (ly_symbol2scm ("bar-interface"), me->get_elt_property ("interfaces")));
+}
+
+bool
+Bar::has_interface (Score_element*m)
+{
+ return m && m->has_interface (ly_symbol2scm ("bar-interface"));
+}
+
+MAKE_SCHEME_CALLBACK(Bar,get_staff_bar_size,1);
+SCM
+Bar::get_staff_bar_size (SCM smob)
+{
+ Score_element*me = unsmob_element (smob);
+ Real ss = Staff_symbol_referencer::staff_space (me);
+ SCM size = me->get_elt_property ("bar-size");
+ if (gh_number_p (size))
+ return gh_double2scm (gh_scm2double(size)*ss);
+ else
+ {
+ return gh_double2scm ((Staff_symbol_referencer::line_count (me) -1) * ss);
+ }
+}
projects / lilypond.git / blobdiff