/*
- cluster.cc -- implement Cluster
+ This file is part of LilyPond, the GNU music typesetter.
- source file of the GNU LilyPond music typesetter
+ Copyright (C) 2002--2015 Juergen Reuter <reuter@ipd.uka.de>
+ Han-Wen Nienhuys <hanwen@xs4all.nl>
- (c) 2002--2007 Juergen Reuter <reuter@ipd.uka.de>
+ 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.
- Han-Wen Nienhuys <hanwen@xs4all.nl>
+ 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 "cluster.hh"
if (shape == "leftsided-stairs")
{
for (int i = 0; i < size - 1; i++)
- {
- Box box;
- box.add_point (bottom_points[i] - hvpadding);
- box.add_point (Offset (top_points[i + 1][X_AXIS],
- top_points[i][Y_AXIS]) + hvpadding);
- out.add_stencil (Lookup::round_filled_box (box, blotdiameter));
- }
+ {
+ Box box;
+ box.add_point (bottom_points[i] - hvpadding);
+ box.add_point (Offset (top_points[i + 1][X_AXIS],
+ top_points[i][Y_AXIS]) + hvpadding);
+ out.add_stencil (Lookup::round_filled_box (box, blotdiameter));
+ }
}
else if (shape == "rightsided-stairs")
{
for (int i = 0; i < size - 1; i++)
- {
- Box box;
- box.add_point (Offset (bottom_points[i][X_AXIS],
- bottom_points[i + 1][Y_AXIS]) - hvpadding);
- box.add_point (top_points[i + 1] + hvpadding);
- out.add_stencil (Lookup::round_filled_box (box, blotdiameter));
- }
+ {
+ Box box;
+ box.add_point (Offset (bottom_points[i][X_AXIS],
+ bottom_points[i + 1][Y_AXIS]) - hvpadding);
+ box.add_point (top_points[i + 1] + hvpadding);
+ out.add_stencil (Lookup::round_filled_box (box, blotdiameter));
+ }
}
else if (shape == "centered-stairs")
{
Real left_xmid = bottom_points[0][X_AXIS];
for (int i = 0; i < size - 1; i++)
- {
- Real right_xmid
- = 0.5 * (bottom_points[i][X_AXIS] + bottom_points[i + 1][X_AXIS]);
- Box box;
- box.add_point (Offset (left_xmid, bottom_points[i][Y_AXIS])
- - hvpadding);
- box.add_point (Offset (right_xmid, top_points[i][Y_AXIS])
- + hvpadding);
- out.add_stencil (Lookup::round_filled_box (box, blotdiameter));
- left_xmid = right_xmid;
- }
+ {
+ Real right_xmid
+ = 0.5 * (bottom_points[i][X_AXIS] + bottom_points[i + 1][X_AXIS]);
+ Box box;
+ box.add_point (Offset (left_xmid, bottom_points[i][Y_AXIS])
+ - hvpadding);
+ box.add_point (Offset (right_xmid, top_points[i][Y_AXIS])
+ + hvpadding);
+ out.add_stencil (Lookup::round_filled_box (box, blotdiameter));
+ left_xmid = right_xmid;
+ }
Real right_xmid = bottom_points[size - 1][X_AXIS];
Box box;
box.add_point (Offset (left_xmid, bottom_points[size - 1][Y_AXIS])
- - hvpadding);
+ - hvpadding);
box.add_point (Offset (right_xmid, top_points[size - 1][Y_AXIS])
- + hvpadding);
+ + hvpadding);
out.add_stencil (Lookup::round_filled_box (box, blotdiameter));
}
else if (shape == "ramp")
{
points.push_back (bottom_points[0] - vpadding + hpadding);
for (int i = 1; i < size - 1; i++)
- points.push_back (bottom_points[i] - vpadding);
+ points.push_back (bottom_points[i] - vpadding);
points.push_back (bottom_points[size - 1] - vpadding - hpadding);
points.push_back (top_points[size - 1] + vpadding - hpadding);
for (int i = size - 2; i > 0; i--)
- points.push_back (top_points[i] + vpadding);
+ points.push_back (top_points[i] + vpadding);
points.push_back (top_points[0] + vpadding + hpadding);
out.add_stencil (Lookup::round_filled_polygon (points, blotdiameter));
}
return out;
}
+MAKE_SCHEME_CALLBACK (Cluster, calc_cross_staff, 1);
+SCM
+Cluster::calc_cross_staff (SCM smob)
+{
+ Grob *me = unsmob<Grob> (smob);
+
+ extract_grob_set (me, "columns", cols);
+ Grob *commony = common_refpoint_of_array (cols, me, Y_AXIS);
+
+ return scm_from_bool (commony != me->get_parent (Y_AXIS));
+}
+
MAKE_SCHEME_CALLBACK (Cluster, print, 1);
SCM
Cluster::print (SCM smob)
{
- Grob *me = unsmob_grob (smob);
+ Grob *me = unsmob<Grob> (smob);
Spanner *spanner = dynamic_cast<Spanner *> (me);
if (!spanner)
Grob *commonx = left_bound->common_refpoint (right_bound, X_AXIS);
- vector<Grob*> const &cols = extract_grob_array (me, "columns");
+ vector<Grob *> const &cols = extract_grob_array (me, "columns");
if (cols.empty ())
{
me->warning (_ ("junking empty cluster"));
{
extract_grob_set (next, "columns", next_cols);
if (next_cols.size () > 0)
- {
- Grob *next_commony = common_refpoint_of_array (next_cols, next, Y_AXIS);
- Grob *col = next_cols[0];
+ {
+ Grob *next_commony = common_refpoint_of_array (next_cols, next, Y_AXIS);
+ Grob *col = next_cols[0];
- Interval v = col->extent (next_commony, Y_AXIS);
- Real x = right_bound->relative_coordinate (commonx, X_AXIS) - left_coord;
+ Interval v = col->extent (next_commony, Y_AXIS);
+ Real x = right_bound->relative_coordinate (commonx, X_AXIS) - left_coord;
- bottom_points.push_back (Offset (x, v[DOWN]));
- top_points.push_back (Offset (x, v[UP]));
- }
+ bottom_points.push_back (Offset (x, v[DOWN]));
+ top_points.push_back (Offset (x, v[UP]));
+ }
}
Stencil out = brew_cluster_piece (me, bottom_points, top_points);
}
ADD_INTERFACE (Cluster,
- "A graphically drawn musical cluster. "
- "\n\n"
- "@code{padding} adds to the vertical extent of the shape (top and "
- "bottom). \n\n"
- "The property @code{style} controls the shape of cluster segments. Valid values "
- "include @code{leftsided-stairs}, @code{rightsided-stairs}, @code{centered-stairs}, "
- "and @code{ramp}.\n",
-
- /* props */
- "style "
- "padding "
- "columns "
- );
+ "A graphically drawn musical cluster.\n"
+ "\n"
+ "@code{padding} adds to the vertical extent of the shape (top"
+ " and bottom).\n"
+ "\n"
+ "The property @code{style} controls the shape of cluster"
+ " segments. Valid values include @code{leftsided-stairs},"
+ " @code{rightsided-stairs}, @code{centered-stairs}, and"
+ " @code{ramp}.\n",
+
+ /* properties */
+ "style "
+ "padding "
+ "columns "
+ );
struct Cluster_beacon
{
public:
DECLARE_SCHEME_CALLBACK (height, (SCM));
- DECLARE_GROB_INTERFACE();
};
MAKE_SCHEME_CALLBACK (Cluster_beacon, height, 1);
SCM
Cluster_beacon::height (SCM g)
{
- Grob *me = unsmob_grob (g);
+ Grob *me = unsmob<Grob> (g);
Interval v = robust_scm2interval (me->get_property ("positions"),
- Interval (0, 0));
+ Interval (0, 0));
return ly_interval2scm (Staff_symbol_referencer::staff_space (me) * 0.5 * v);
}
ADD_INTERFACE (Cluster_beacon,
- "A place holder for the cluster spanner to determine the vertical "
- "extents of a cluster spanner at this X position.",
+ "A place holder for the cluster spanner to determine the"
+ " vertical extents of a cluster spanner at this"
+ " X@tie{}position.",
- /* properties */
- "positions ");
+ /* properties */
+ "positions "
+ );