/*
- grid-line-interface.cc -- implement Grid_line_interface
+ This file is part of LilyPond, the GNU music typesetter.
- source file of the GNU LilyPond music typesetter
+ Copyright (C) 2005--2015 Han-Wen Nienhuys <hanwen@xs4all.nl>
- (c) 2005 Han-Wen Nienhuys <hanwen@xs4all.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 "group-interface.hh"
-#include "output-def.hh"
-#include "stencil.hh"
-#include "lookup.hh"
#include "grid-line-interface.hh"
-#include "grob.hh"
+#include "grob.hh"
+#include "pointer-group-interface.hh"
+#include "lookup.hh"
+#include "output-def.hh"
MAKE_SCHEME_CALLBACK (Grid_line_interface, print, 1);
SCM
Grid_line_interface::print (SCM smobbed_me)
{
- Grob *me = unsmob_grob (smobbed_me);
- SCM first_elt = me->get_property ("elements");
+ Grob *me = unsmob<Grob> (smobbed_me);
+ extract_grob_set (me, "elements", elts);
/* compute common refpoint of elements */
- Grob *refp = common_refpoint_of_list (first_elt, me, Y_AXIS);
+ Grob *refp = common_refpoint_of_array (elts, me, Y_AXIS);
Interval iv;
-
- for (SCM elts = first_elt; scm_is_pair (elts); elts = scm_cdr (elts))
+
+ for (vsize i = 0; i < elts.size (); i++)
{
- Grob *point = unsmob_grob (scm_car (elts));
+ Grob *point = elts[i];
iv.unite (point->extent (refp, Y_AXIS));
}
return SCM_EOL;
}
- Real staffline = me->get_layout ()->get_dimension (ly_symbol2scm ("linethickness"));
+ Real staffline = me->layout ()->get_dimension (ly_symbol2scm ("line-thickness"));
Real thick = robust_scm2double (me->get_property ("thickness"), 1.0)
- * staffline;
-
+ * staffline;
- iv += - me->relative_coordinate (refp, Y_AXIS);
+ iv += -me->relative_coordinate (refp, Y_AXIS);
Stencil st = Lookup::filled_box (Box (Interval (0, thick),
- iv));
+ iv));
return st.smobbed_copy ();
}
+MAKE_SCHEME_CALLBACK (Grid_line_interface, width, 1);
+SCM
+Grid_line_interface::width (SCM smob)
+{
+ Grob *me = unsmob<Grob> (smob);
+
+ Real staffline = me->layout ()->get_dimension (ly_symbol2scm ("line-thickness"));
+ Real thick = robust_scm2double (me->get_property ("thickness"), 1.0)
+ * staffline;
+
+ return ly_interval2scm (Interval (0, thick));
+}
+
void
Grid_line_interface::add_grid_point (Grob *me, Grob *b)
{
Pointer_group_interface::add_grob (me, ly_symbol2scm ("elements"), b);
- me->add_dependency (b);
}
-ADD_INTERFACE (Grid_line_interface, "grid-line-interface",
- "A line that spanned between grid-points. ",
- "elements thickness");
+ADD_INTERFACE (Grid_line_interface,
+ "A line that is spanned between grid-points.",
+
+ /* properties */
+ "elements "
+ "thickness "
+ );
+
+ADD_INTERFACE (Grid_point_interface,
+ "A spanning point for grid lines.",
+ /* properties */
+ ""
+ );