/*
- span-bar.cc -- implement Span_bar
+ This file is part of LilyPond, the GNU music typesetter.
- source file of the GNU LilyPond music typesetter
+ Copyright (C) 1997--2010 Han-Wen Nienhuys <hanwen@xs4all.nl>
- (c) 1997--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ LilyPond is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ LilyPond is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
*/
#include "span-bar.hh"
#include "axis-group-interface.hh"
#include "bar-line.hh"
#include "grob.hh"
+#include "pointer-group-interface.hh"
void
Span_bar::add_bar (Grob *me, Grob *b)
{
Pointer_group_interface::add_grob (me, ly_symbol2scm ("elements"), b);
-
- me->add_dependency (b);
}
MAKE_SCHEME_CALLBACK (Span_bar, print, 1);
extract_grob_set (me, "elements", elements);
Grob *refp = common_refpoint_of_array (elements, me, Y_AXIS);
- Span_bar::evaluate_glyph (me);
- SCM glyph = me->get_property ("glyph");
+ SCM glyph = me->get_property ("glyph-name");
/* glyph may not be a string, when ME is killed by Hara Kiri in
between. */
if (!scm_is_string (glyph))
return SCM_EOL;
- String glyph_string = ly_scm2string (glyph);
+ string glyph_string = ly_scm2string (glyph);
/* compose span_bar_mol */
- Array<Interval> extents;
+ vector<Interval> extents;
+ vector<bool> make_span_bar;
Grob *model_bar = 0;
- for (int i = elements.size (); i--;)
+ for (vsize i = elements.size (); i--;)
{
Grob *bar = elements[i];
- Interval ext = bar->extent (refp, Y_AXIS);
+ Interval ext = Bar_line::bar_y_extent (bar, refp);
if (ext.is_empty ())
continue;
- extents.push (ext);
+ extents.push_back (ext);
+ make_span_bar.push_back (to_boolean (bar->get_property ("allow-span-bar")));
model_bar = bar;
}
if (!model_bar)
model_bar = me;
-
- extents.sort (&Interval::left_comparison);
+
+ vector_sort (extents, Interval::left_less);
Stencil span_bar;
- for (int i = 1; i < extents.size (); i ++)
+ for (vsize i = 1; i < extents.size (); i++)
{
- Interval prev_extent = extents[i-1];
- Interval ext = extents[i];
+ Interval prev_extent = extents[i - 1];
+ Interval ext = extents[i];
if (!prev_extent.is_empty ())
{
Interval l (prev_extent [UP],
ext[DOWN]);
- if (l.is_empty ())
+ if (l.is_empty () || !make_span_bar[i])
{
/* There is overlap between the bar lines. Do nothing. */
}
}
span_bar.translate_axis (- me->relative_coordinate (refp, Y_AXIS),
- Y_AXIS);
+ Y_AXIS);
return span_bar.smobbed_copy ();
}
-MAKE_SCHEME_CALLBACK (Span_bar, width_callback, 2);
+MAKE_SCHEME_CALLBACK (Span_bar, width, 1);
SCM
-Span_bar::width_callback (SCM element_smob, SCM scm_axis)
+Span_bar::width (SCM smob)
{
- Grob *se = unsmob_grob (element_smob);
- (void) scm_axis;
+ Grob *me = unsmob_grob (smob);
+ SCM gn = me->get_property ("glyph-name");
+ if (!me->is_live ())
+ return ly_interval2scm (Interval ());
- assert ( (Axis) scm_to_int (scm_axis) == X_AXIS);
- String gl = ly_scm2string (se->get_property ("glyph"));
+ string gl = ly_scm2string (gn);
/*
urg.
*/
- Stencil m = Bar_line::compound_barline (se, gl, 40 PT, false);
+ Stencil m = Bar_line::compound_barline (me, gl, 40 PT, false);
return ly_interval2scm (m.extent (X_AXIS));
}
SCM
Span_bar::before_line_breaking (SCM smob)
{
- Grob *g = unsmob_grob (smob);
- evaluate_empty (g);
- evaluate_glyph (g);
+ Grob *me = unsmob_grob (smob);
+ extract_grob_set (me, "elements", elements);
+ if (elements.empty ())
+ me->suicide ();
- /* No need to call Bar_line::before_line_breaking (), because the info
- in ELEMENTS already has been procced by
- Bar_line::before_line_breaking (). */
return SCM_UNSPECIFIED;
}
-MAKE_SCHEME_CALLBACK (Span_bar, center_on_spanned_callback, 2);
+MAKE_SCHEME_CALLBACK (Span_bar, center_on_spanned_callback, 1);
SCM
-Span_bar::center_on_spanned_callback (SCM element_smob, SCM axis)
+Span_bar::center_on_spanned_callback (SCM smob)
{
- Grob *me = unsmob_grob (element_smob);
- (void) axis;
- assert (scm_to_int (axis) == Y_AXIS);
+ Grob *me = unsmob_grob (smob);
Interval i (get_spanned_interval (me));
/* Bar_line::print delivers a barline of y-extent (-h/2, h/2), so
if (i.is_empty ())
{
me->suicide ();
- return scm_make_real (0.0);
+ return scm_from_double (0.0);
}
- return scm_make_real (i.center ());
+ return scm_from_double (i.center ());
}
-void
-Span_bar::evaluate_empty (Grob *me)
-{
- /* TODO: filter all hara-kiried out of ELEMENS list, and then
- optionally do suicide. Call this cleanage function from
- center_on_spanned_callback () as well. */
- extract_grob_set (me, "elements", elements);
- if (elements.is_empty ())
- {
- me->suicide ();
- }
-}
-void
-Span_bar::evaluate_glyph (Grob *me)
+MAKE_SCHEME_CALLBACK(Span_bar, calc_glyph_name, 1);
+SCM
+Span_bar::calc_glyph_name (SCM smob)
{
- SCM gl = me->get_property ("glyph");
-
- if (scm_is_string (gl))
- return;
-
+ Grob *me = unsmob_grob (smob);
extract_grob_set (me, "elements", elements);
- for (int i = elements.size();
- i-- && !scm_is_string (gl); )
- {
- gl = elements[i]->get_property ("glyph");
- }
+ SCM gl = SCM_EOL;
+ for (vsize i = elements.size ();
+ i-- && !scm_is_string (gl);)
+ gl = elements[i]->get_property ("glyph-name");
if (!scm_is_string (gl))
{
me->suicide ();
- return;
+ return SCM_UNSPECIFIED;
}
- String type = ly_scm2string (gl);
- if (type == "|:")
- {
- type = ".|";
- }
+ string type = ly_scm2string (gl);
+ if (type == "|:" || type == "||:")
+ type = ".|";
else if (type == ":|")
- {
- type = "|.";
- }
+ type = "|.";
else if (type == ":|:")
- {
- type = ".|.";
- }
-
- gl = scm_makfrom0str (type.to_str0 ());
- if (scm_equal_p (me->get_property ("glyph"), gl)
- != SCM_BOOL_T)
- me->set_property ("glyph", gl);
+ type = ".|.";
+ else if (type == ":|.|:")
+ type = "|.|";
+ else if (type == ":|.:")
+ type = "|.";
+ else if (type == "S" || type == "S|" || type == "|S")
+ type = "||";
+ else if (type == "S|:" || type == ".S|:")
+ type = ".|";
+ else if (type == ":|S" || type == ":|S.")
+ type = "|.";
+ else if (type == ":|S|:" || type == ":|S.|:")
+ type = "|._.|";
+ else if (type == "'")
+ type = "";
+
+ return ly_string2scm (type);
}
Interval
Span_bar::get_spanned_interval (Grob *me)
{
- return ly_scm2interval (Axis_group_interface::group_extent_callback
- (me->self_scm (), scm_int2num (Y_AXIS)));
+ return ly_scm2interval (Axis_group_interface::generic_group_extent (me, Y_AXIS));
}
-MAKE_SCHEME_CALLBACK (Span_bar, get_bar_size, 1);
+MAKE_SCHEME_CALLBACK (Span_bar, calc_bar_size, 1);
SCM
-Span_bar::get_bar_size (SCM smob)
+Span_bar::calc_bar_size (SCM smob)
{
Grob *me = unsmob_grob (smob);
Interval iv (get_spanned_interval (me));
{
/* This happens if the bars are hara-kiried from under us. */
me->suicide ();
- return scm_make_real (-1);
+ return scm_from_double (-1);
}
- return scm_make_real (iv.length ());
+ return scm_from_double (iv.length ());
}
-ADD_INTERFACE (Span_bar, "span-bar-interface",
- "A bar line that spanned between other barlines. This interface is "
- " used for bar lines that connect different staves.",
- "elements");
+ADD_INTERFACE (Span_bar,
+ "A bar line that is spanned between other barlines. This"
+ " interface is used for bar lines that connect different"
+ " staves.",
+
+ /* properties */
+ "glyph-name "
+ "elements "
+ "pure-Y-common "
+ "pure-relevant-grobs "
+ "pure-relevant-items "
+ "pure-relevant-spanners "
+ );