/*
- lyric-extender.cc -- implement Lyric_extender
- source file of the GNU LilyPond music typesetter
+ This file is part of LilyPond, the GNU music typesetter.
- (c) 1998--2004 Jan Nieuwenhuizen <janneke@gnu.org>
+ Copyright (C) 1998--2015 Jan Nieuwenhuizen <janneke@gnu.org>
Han-Wen Nienhuys
+
+ 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 <math.h>
+#include "lyric-extender.hh"
-#include "box.hh"
+#include "system.hh"
+#include "item.hh"
#include "warn.hh"
#include "lookup.hh"
-#include "stencil.hh"
-#include "paper-column.hh"
-#include "paper-def.hh"
-#include "lyric-extender.hh"
+#include "output-def.hh"
#include "note-head.hh"
-#include "group-interface.hh"
+#include "pointer-group-interface.hh"
-bool
-Lyric_extender::is_visible (Grob *gr)
+MAKE_SCHEME_CALLBACK (Lyric_extender, print, 1);
+SCM
+Lyric_extender::print (SCM smob)
{
- Spanner*me = dynamic_cast<Spanner*> (gr);
-
- SCM heads = me->get_property ("heads");
- int l = scm_ilength (heads);
- if (l == 0)
- return false;
-
- return true;
-}
+ Spanner *me = unsmob<Spanner> (smob);
+ Item *left_edge = me->get_bound (LEFT);
+ Item *right_text = unsmob<Item> (me->get_object ("next"));
-MAKE_SCHEME_CALLBACK (Lyric_extender,print,1)
-SCM
-Lyric_extender::print (SCM smob)
-{
- Spanner *me = unsmob_spanner (smob);
- Item *l = me->get_bound (LEFT);
- Item *r = me->get_bound (RIGHT);
- Grob *common = l->common_refpoint (r, X_AXIS);
-
+ Grob *common = left_edge;
+
+ if (right_text)
+ common = common->common_refpoint (right_text, X_AXIS);
- Real sl = me->get_paper ()->get_realvar (ly_symbol2scm ("linethickness"));
+ common = common->common_refpoint (me->get_bound (RIGHT), X_AXIS);
+ common = common->common_refpoint (me->get_system (), X_AXIS);
- Link_array<Grob> heads (Pointer_group_interface__extract_grobs (me, (Grob*)0,
- "heads"));
+ Real sl = me->layout ()->get_dimension (ly_symbol2scm ("line-thickness"));
- if (!heads.size () && r->break_status_dir () == CENTER)
+ extract_grob_set (me, "heads", heads);
+
+ if (!heads.size ())
return SCM_EOL;
common = common_refpoint_of_array (heads, common, X_AXIS);
-
+
Real left_point = 0.0;
- if (l->internal_has_interface (ly_symbol2scm ("lyric-syllable-interface")))
- left_point = l->extent (common, X_AXIS)[RIGHT];
- else
+ if (left_edge->internal_has_interface (ly_symbol2scm ("lyric-syllable-interface")))
+ left_point = left_edge->extent (common, X_AXIS)[RIGHT];
+ else if (heads.size ())
left_point = heads[0]->extent (common, X_AXIS)[LEFT];
+ else
+ left_point = left_edge->extent (common, X_AXIS)[RIGHT];
if (isinf (left_point))
return SCM_EOL;
- /*
- It seems that short extenders are even lengthened to go past the
- note head, but haven't found a pattern in it yet. --hwn 1/1/04
-
- */
- SCM minlen = me->get_property ("minimum-length");
+ /* It seems that short extenders are even lengthened to go past the
+ note head, but haven't found a pattern in it yet. --hwn 1/1/04 */
+ SCM minlen = me->get_property ("minimum-length");
Real right_point
- = left_point + (robust_scm2double (minlen,0));
+ = left_point + (robust_scm2double (minlen, 0));
- Spanner *orig = dynamic_cast<Spanner*> (me->original_);
- bool last_line = orig
- && (me->get_break_index () == orig->broken_intos_.size() - 2)
- && !Lyric_extender::is_visible (orig->broken_intos_.top ());
-
+ right_point = min (right_point, me->get_system ()->get_bound (RIGHT)->relative_coordinate (common, X_AXIS));
if (heads.size ())
- right_point = right_point >? heads.top ()->extent (common, X_AXIS)[RIGHT];
+ right_point = max (right_point, heads.back ()->extent (common, X_AXIS)[RIGHT]);
Real h = sl * robust_scm2double (me->get_property ("thickness"), 0);
- Real pad = 2* h;
-
- if (r->internal_has_interface (ly_symbol2scm ("lyric-syllable-interface")))
- right_point = right_point <? (r->extent (common, X_AXIS)[LEFT] - pad);
- else if (Note_head::has_interface (r))
- ;
- else if (!last_line)
- {
- /*
- run to end of line.
- */
- right_point = right_point >? (r->extent (common, X_AXIS)[LEFT] - pad);
- }
-
- if (isinf (right_point))
- {
- programming_error ("Right point of extender not defined?");
- right_point = r->relative_coordinate (common, X_AXIS);
- }
-
- left_point += pad;
+ Drul_array<Real> paddings (robust_scm2double (me->get_property ("left-padding"), h),
+ robust_scm2double (me->get_property ("right-padding"), h));
+ if (right_text)
+ right_point = min (right_point, (robust_relative_extent (right_text, common, X_AXIS)[LEFT] - paddings[RIGHT]));
+
+ /* run to end of line. */
+ if (me->get_bound (RIGHT)->break_status_dir ())
+ right_point = max (right_point, (robust_relative_extent (me->get_bound (RIGHT), common, X_AXIS)[LEFT] - paddings[RIGHT]));
+
+ left_point += paddings[LEFT];
Real w = right_point - left_point;
if (w < 1.5 * h)
return SCM_EOL;
-
- Stencil mol (Lookup::round_filled_box (Box (Interval (0,w), Interval (0,h)),
- 0.8 * h));
- mol.translate_axis (left_point - me->relative_coordinate (common, X_AXIS), X_AXIS);
+
+ Stencil mol (Lookup::round_filled_box (Box (Interval (0, w),
+ Interval (0, h)),
+ 0.8 * h));
+ mol.translate_axis (left_point - me->relative_coordinate (common, X_AXIS),
+ X_AXIS);
return mol.smobbed_copy ();
}
-
-ADD_INTERFACE (Lyric_extender,"lyric-extender-interface",
- "The extender is a simple line at the baseline of the lyric "
- " that helps show the length of a melissima (tied/slurred note).",
- "thickness heads");
+ADD_INTERFACE (Lyric_extender,
+ "The extender is a simple line at the baseline of the lyric"
+ " that helps show the length of a melisma (a tied or slurred"
+ " note).",
+
+ /* properties */
+ "heads "
+ "left-padding "
+ "next "
+ "right-padding "
+ "thickness "
+ );
projects / lilypond.git / blobdiff