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 "main.hh"
+#include "dimensions.hh"
+#include "dimension-cache.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"
Bar::Bar ()
{
- set_elt_property (breakable_scm_sym, SCM_BOOL_T);
- type_str_ = "|";
+ set_elt_property ("breakable", SCM_BOOL_T);
}
-void
-Bar::do_print () const
-{
-#ifndef NPRINT
- // DOUT << type_str_; "{[" confuse indenter.
-#endif
-}
Real
Bar::get_bar_size () const
{
- return paper_l ()->get_var ("barsize");
+ // Never called!
+ return 0;
}
-Molecule*
-Bar::do_brew_molecule_p () const
-{
- Molecule *output = new Molecule (lookup_l ()->bar (type_str_, get_bar_size ()));
+Molecule
+Bar::do_brew_molecule () const
+{
+ SCM s = get_elt_property ("glyph");
+ if (gh_string_p (s))
+ {
+ String str =ly_scm2string (s);
+ return compound_barline (str, get_bar_size ());
+ }
+ return Molecule ();
+}
+
+
+Molecule
+Bar::compound_barline (String str, Real h) const
+{
+ Real kern = paper_l()->get_var ("bar_kern");
+ Real thinkern = paper_l()->get_var ("bar_thinkern");
+
+ Molecule thin = simple_barline (paper_l()->get_var ("barthick_thin"), h);
+ Molecule thick = simple_barline (paper_l()->get_var ("barthick_thick"), h);
+ Molecule colon = lookup_l ()->afm_find ("dots-repeatcolon");
+
+ Molecule m;
- return output;
+ if (str == "")
+ {
+ return lookup_l ()->blank (Box (Interval(0, 0), Interval (-h/2, h/2)));
+ }
+ if (str == "scorepostbreak")
+ {
+ return simple_barline (paper_l ()->get_var ("barthick_score"), h);
+ }
+ 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;
+}
+
+
+Molecule
+Bar::simple_barline (Real w, Real h) const
+{
+ return lookup_l ()->filledbox (Box (Interval(0,w), Interval(-h/2, h/2)));
}
-/**
- Prescriptions for splitting bars.
- TODO: put this in SCM.
- */
-static char const *bar_breaks[][3] ={
- {":|", ":|:", "|:"},
- {"|", "|", ""},
- {"", "|s", "|"},
- {"", "|:", "|:"},
- {"|.", "|.", ""},
- {":|", ":|", ""},
- {"||", "||", ""},
- {".|.", ".|.", ""},
- {"", "scorebar", "scorepostbreak"},
- {"", "{", "{"},
- {"", "[", "["},
- {0,0,0}
-};
void
-Bar::do_pre_processing ()
+Bar::before_line_breaking ()
{
- for (int i=0; bar_breaks[i][0]; i++)
+ SCM g = get_elt_property ("glyph");
+ Direction bsd = break_status_dir ();
+ if (gh_string_p (g))
{
- if (bar_breaks[i][1] == type_str_)
+ if (bsd)
{
- type_str_ = bar_breaks[i][break_status_dir ()+1];
- if (remove_elt_property (at_line_start_scm_sym)!= SCM_BOOL_F
- && (break_status_dir () == RIGHT) && (type_str_ == ""))
- {
- type_str_ = "|";
- }
+ SCM breakdir = gh_int2scm (bsd);
+ g = scm_eval (gh_list (ly_symbol2scm ("break-barline"),
+ g,
+ breakdir,
+ SCM_UNDEFINED));
}
}
+ else
+ {
+ g = SCM_UNDEFINED;
+ }
+
+ if (!gh_string_p (g))
+ {
+ set_elt_property ("transparent", SCM_BOOL_T);
+ set_extent_callback (0, X_AXIS);
+ }
+ else
+ set_elt_property ("glyph", g);
}
+