source file of the GNU LilyPond music typesetter
- (c) 1997--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2001 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
+#include <math.h>
-#include "dimension-cache.hh"
+#include "lookup.hh"
+#include "paper-column.hh"
+#include "main.hh"
+#include "grob.hh"
#include "bar.hh"
#include "string.hh"
#include "molecule.hh"
#include "paper-def.hh"
-#include "lookup.hh"
+#include "font-interface.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);
+ Grob * me = unsmob_grob (smob);
+
+ SCM s = me->get_grob_property ("glyph");
+ SCM barsiz_proc = me->get_grob_property ("bar-size-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).smobbed_copy ();
+ }
+ return SCM_EOL;
}
-Real
-Bar::get_bar_size () const
+Molecule
+Bar::compound_barline (Grob*me, String str, Real h)
{
- // Never called!
- return 0;
+ Real kern = gh_scm2double (me->get_grob_property ("kern"));
+ Real thinkern = gh_scm2double (me->get_grob_property ("thin-kern"));
+ Real hair = gh_scm2double (me->get_grob_property ("hair-thickness"));
+ Real fatline = gh_scm2double (me->get_grob_property ("thick-thickness"));
+
+ Real staffline = me->paper_l ()->get_var ("stafflinethickness");
+ Real staffspace = me->paper_l ()->get_var ("staffspace")
+ * Staff_symbol_referencer::staff_space (me);
+
+ kern *= staffline;
+ thinkern *= staffline;
+ hair *= staffline;
+ fatline *= staffline;
+
+ Molecule thin = simple_barline (me, hair, h);
+ Molecule thick = simple_barline (me, fatline, h);
+ Molecule colon;
+ Molecule dot = Font_interface::get_default_font (me)->find_by_name ("dots-dot");
+ Real dist = (2-(Staff_symbol_referencer::line_count (me) & 1))*staffspace;
+ dot.translate_axis(dist/2,Y_AXIS);
+ colon.add_molecule(dot);
+ dot.translate_axis(-dist,Y_AXIS);
+ colon.add_molecule(dot);
+
+ Molecule m;
+
+ if (str == "")
+ {
+ return Lookup::blank (Box (Interval (0, 0), Interval (-h/2, h/2)));
+ }
+ else if (str == "|")
+ {
+ return thin;
+ }
+ else if (str == "|." || (h == 0 && str == ":|"))
+ {
+ m.add_at_edge (X_AXIS, LEFT, thick, 0);
+ m.add_at_edge (X_AXIS, LEFT, thin, kern);
+ }
+ else if (str == ".|" || (h == 0 && 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::do_brew_molecule () const
+Molecule
+Bar::simple_barline (Grob*,Real w, Real h)
{
- String s = ly_scm2string (get_elt_property ("glyph"));
- return lookup_l ()->bar (s, get_bar_size (), paper_l ());
+ return Lookup::filledbox (Box (Interval (0,w), Interval (-h/2, h/2)));
}
+MAKE_SCHEME_CALLBACK (Bar,before_line_breaking ,1);
-
-void
-Bar::do_pre_processing ()
+SCM
+Bar::before_line_breaking (SCM smob)
{
- SCM g = get_elt_property ("glyph");
- Direction bsd = break_status_dir ();
- if (gh_string_p (g))
+ Grob*me=unsmob_grob (smob);
+ Item * item = dynamic_cast<Item*> (me);
+
+ SCM g = me->get_grob_property ("glyph");
+ SCM orig = g;
+ Direction bsd = item->break_status_dir ();
+ if (gh_string_p (g) && bsd)
{
- if (bsd)
- {
- SCM breakdir = gh_int2scm (bsd);
- g = scm_eval (gh_list (ly_symbol2scm ("break-barline"),
- g,
- breakdir,
- SCM_UNDEFINED));
- }
+ SCM proc = me->get_grob_property ("break-glyph-function");
+ g = gh_call2 (proc, g, gh_int2scm (bsd));
}
- else
+
+
+ if (!gh_string_p (g))
{
- g = SCM_UNDEFINED;
+ me->set_grob_property ("molecule-callback", SCM_BOOL_T);
+ me->set_extent_callback (SCM_EOL, X_AXIS);
+ // leave y_extent for spanbar?
}
+
+ if (! gh_equal_p (g, orig))
+ me->set_grob_property ("glyph", g);
+
- if (!gh_string_p (g))
+ /*
+ set a (pseudo) stem-direction, so we extra space is inserted
+ between stemup and barline.
+
+ TODO: should check if the barline is the leftmost object of the
+ break alignment.
+
+ */
+ if (gh_string_p (g))
{
- set_elt_property ("transparent", SCM_BOOL_T);
- set_empty (X_AXIS);
+ Grob * col = item->column_l ();
+ SCM dirlist = col->get_grob_property ("dir-list");
+ SCM scmdir = gh_int2scm (-1);
+ if (scm_memq (scmdir, dirlist) == SCM_BOOL_F)
+ {
+ dirlist = gh_cons (scmdir, dirlist);
+ col->set_grob_property ("dir-list", dirlist);
+ }
}
- else
- set_elt_property ("glyph", g);
+
+ return SCM_UNSPECIFIED;
}
+void
+Bar::set_interface (Grob*me)
+{
+ me->set_interface (ly_symbol2scm ("bar-line-interface"));
+}
+bool
+Bar::has_interface (Grob*m)
+{
+ return m && m->has_interface (ly_symbol2scm ("bar-line-interface"));
+}
+
+
+MAKE_SCHEME_CALLBACK (Bar,get_staff_bar_size,1);
+SCM
+Bar::get_staff_bar_size (SCM smob)
+{
+ Grob*me = unsmob_grob (smob);
+ Real ss = Staff_symbol_referencer::staff_space (me);
+ SCM size = me->get_grob_property ("bar-size");
+ if (gh_number_p (size))
+ return gh_double2scm (gh_scm2double (size)*ss);
+ else if (Staff_symbol_referencer::staff_symbol_l (me))
+ {
+ /*
+ If there is no staff-symbol, we get -1 from the next
+ calculation. That's a nonsense value, which would collapse the
+ barline so we return 0.0 in the next alternative.
+ */
+ return gh_double2scm ((Staff_symbol_referencer::line_count (me) -1) * ss);
+ }
+ else
+ return gh_int2scm (0);
+}
projects / lilypond.git / blobdiff