source file of the GNU LilyPond music typesetter
- (c) 1997--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
+ (c) 1997--2007 Han-Wen Nienhuys <hanwen@xs4all.nl>
*/
#include "paper-column.hh"
#include "output-def.hh"
#include "pointer-group-interface.hh"
#include "grob-array.hh"
+#include "system.hh"
+#include "spring.hh"
+#include "lookup.hh"
+#include "separation-item.hh"
+#include "string-convert.hh"
Grob *
-Paper_column::clone (int count) const
+Paper_column::clone () const
{
- return new Paper_column (*this, count);
+ return new Paper_column (*this);
}
void
Paper_column::do_break_processing ()
{
- Spaceable_grob::remove_interface (this);
Item::do_break_processing ();
}
return (Paper_column *) (this);
}
-Paper_column::Paper_column (SCM l, Object_key const *key)
- : Item (l, key) // guh.?
+Paper_column::Paper_column (SCM l)
+ : Item (l)
{
system_ = 0;
rank_ = -1;
}
-Paper_column::Paper_column (Paper_column const &src, int count)
- : Item (src, count)
+Paper_column::Paper_column (Paper_column const &src)
+ : Item (src)
{
system_ = 0;
rank_ = src.rank_;
return scm_is_symbol (me->get_property ("line-break-permission"));
}
+Real
+Paper_column::minimum_distance (Grob *left, Grob *right)
+{
+ Drul_array<Grob*> cols (left, right);
+ Drul_array<Skyline> skys = Drul_array<Skyline> (Skyline (RIGHT), Skyline (LEFT));
+
+ Direction d = LEFT;
+ do
+ {
+ skys[d].set_minimum_height (0.0);
+ extract_grob_set (cols[d], "elements", elts);
+
+ for (vsize i = 0; i < elts.size (); i++)
+ if (Separation_item::has_interface (elts[i]))
+ {
+ Skyline_pair *sp = Skyline_pair::unsmob (elts[i]->get_property ("horizontal-skylines"));
+ if (sp)
+ skys[d].merge ((*sp)[-d]);
+ }
+ }
+ while (flip (&d) != LEFT);
+
+ return max (0.0, skys[LEFT].distance (skys[RIGHT]));
+}
+
/*
Print a vertical line and the rank number, to aid debugging.
*/
-
MAKE_SCHEME_CALLBACK (Paper_column, print, 1);
SCM
Paper_column::print (SCM p)
{
- Grob *me = unsmob_grob (p);
+ Paper_column *me = dynamic_cast<Paper_column*> (unsmob_grob (p));
string r = to_string (Paper_column::get_rank (me));
Moment *mom = unsmob_moment (me->get_property ("when"));
string when = mom ? mom->to_string () : "?/?";
+ Font_metric *musfont = Font_interface::get_default_font (me);
SCM properties = Font_interface::text_font_alist_chain (me);
SCM scm_mol = Text_interface::interpret_markup (me->layout ()->self_scm (),
properties,
- scm_makfrom0str (r.c_str ()));
+ ly_string2scm (r));
SCM when_mol = Text_interface::interpret_markup (me->layout ()->self_scm (),
properties,
- scm_makfrom0str (when.c_str ()));
+ ly_string2scm (when));
Stencil t = *unsmob_stencil (scm_mol);
- t.add_at_edge (Y_AXIS, DOWN, *unsmob_stencil (when_mol), 0.1, 0.1);
+ t.add_at_edge (Y_AXIS, DOWN, *unsmob_stencil (when_mol), 0.1);
t.align_to (X_AXIS, CENTER);
t.align_to (Y_AXIS, DOWN);
Stencil l = Lookup::filled_box (Box (Interval (-0.01, 0.01),
Interval (-2, -1)));
-
+
+ SCM small_letters = scm_cons (scm_acons (ly_symbol2scm ("font-size"),
+ scm_from_int (-6), SCM_EOL),
+ properties);
+
+ int j = 0;
+ for (SCM s = me->get_object ("ideal-distances");
+ scm_is_pair (s); s = scm_cdr (s))
+ {
+ Spring *sp = unsmob_spring (scm_caar (s));
+ if (!unsmob_grob (scm_cdar (s))
+ || !unsmob_grob (scm_cdar (s))->get_system ())
+ continue;
+
+ j++;
+ Real y = -j * 1 -3;
+ vector<Offset> pts;
+ pts.push_back (Offset (0, y));
+
+ Offset p2 (sp->distance (), y);
+ pts.push_back (p2);
+
+ Stencil id_stencil = Lookup::points_to_line_stencil (0.1, pts);
+ Stencil head (musfont->find_by_name ("arrowheads.open.01"));
+
+ SCM distance_stc = Text_interface::interpret_markup (me->layout ()->self_scm (),
+ small_letters,
+ ly_string2scm (String_convert::form_string ("%5.2lf", sp->distance ())));
+
+ id_stencil.add_stencil (unsmob_stencil (distance_stc)->translated (Offset (sp->distance ()/3, y+1)));
+ id_stencil.add_stencil (head.translated (p2));
+ id_stencil = id_stencil.in_color (0,0,1);
+ l.add_stencil (id_stencil);
+ }
+
+ for (SCM s = me->get_object ("minimum-distances");
+ scm_is_pair (s); s = scm_cdr (s))
+ {
+ Real dist = scm_to_double (scm_cdar (s));
+ Grob *other = unsmob_grob (scm_caar (s));
+ if (!other || other->get_system () != me->get_system ())
+ continue;
+
+ j++;
+
+ Real y = -j * 1.0 -3.5;
+ vector<Offset> pts;
+ pts.push_back (Offset (0, y));
+
+ Offset p2 (dist, y);
+ pts.push_back (p2);
+
+ Stencil id_stencil = Lookup::points_to_line_stencil (0.1, pts);
+ Stencil head (musfont->find_by_name ("arrowheads.open.0M1"));
+ head.translate_axis (y, Y_AXIS);
+ id_stencil.add_stencil (head);
+
+ SCM distance_stc = Text_interface::interpret_markup (me->layout ()->self_scm (),
+ small_letters,
+ ly_string2scm (String_convert::form_string ("%5.2lf",
+ dist)));
+
+ id_stencil.add_stencil (unsmob_stencil (distance_stc)->translated (Offset (dist/3, y-1)));
+
+
+ id_stencil = id_stencil.in_color (1,0,0);
+ l.add_stencil (id_stencil);
+ }
t.add_stencil (l);
return t.smobbed_copy ();
}
/* properties */
"between-cols "
"bounded-by-me "
- "grace-spacing "
+ "grace-spacing "
+ "labels "
"line-break-system-details "
"line-break-penalty "
"line-break-permission "
projects / lilypond.git / blobdiff