+ Real left_point = 0.0;
+ 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");
+ Real right_point
+ = left_point + (robust_scm2double (minlen, 0));
+
+ if (heads.size ())
+ right_point = max (right_point, heads.top ()->extent (common, X_AXIS)[RIGHT]);
+
+ Real h = sl * robust_scm2double (me->get_property ("thickness"), 0);
+ Real pad = 2* h;
+
+ if (right_text)
+ right_point = min (right_point, (robust_relative_extent (right_text, common, X_AXIS)[LEFT] - pad));
+
+ /* 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] - pad));
+
+ left_point += pad;
+ 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);
+ return mol.smobbed_copy ();
+}