/*
- side-position-interface.cc -- implement Side_position_interface
+ This file is part of LilyPond, the GNU music typesetter.
- source file of the GNU LilyPond music typesetter
+ Copyright (C) 1998--2011 Han-Wen Nienhuys <hanwen@xs4all.nl>
- (c) 1998--2009 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 "side-position-interface.hh"
using namespace std;
+#include "axis-group-interface.hh"
#include "directional-element-interface.hh"
#include "grob.hh"
+#include "grob-array.hh"
#include "main.hh"
#include "misc.hh"
#include "note-head.hh"
#include "staff-symbol.hh"
#include "stem.hh"
#include "string-convert.hh"
+#include "system.hh"
#include "warn.hh"
void
Pointer_group_interface::add_unordered_grob (me, ly_symbol2scm ("side-support-elements"), e);
}
-Direction
-Side_position_interface::get_direction (Grob *me)
-{
- Direction relative_dir = Direction (1);
- SCM reldir = me->get_property ("side-relative-direction");
- if (is_direction (reldir))
- relative_dir = to_dir (reldir);
-
- SCM other_elt = me->get_object ("direction-source");
- Grob *e = unsmob_grob (other_elt);
- if (e)
- return (Direction) (relative_dir * get_grob_direction (e));
-
- return CENTER;
-}
-
/* Put the element next to the support, optionally taking in
account the extent of the support.
Grob *common = common_refpoint_of_array (support, me->get_parent (a), a);
Grob *staff_symbol = Staff_symbol_referencer::get_staff_symbol (me);
- bool include_staff =
+ bool include_staff =
staff_symbol
&& a == Y_AXIS
&& scm_is_number (me->get_property ("staff-padding"))
&& Stem::has_interface (e)
&& dir == - get_grob_direction (e))
continue;
-
+
if (e)
{
if (use_extents)
if (current_offset)
total_off = dir * max (dir * total_off,
dir * (*current_offset));
-
-
+
+
/* FIXME: 1000 should relate to paper size. */
if (fabs (total_off) > 1000)
{
if (strict_infinity_checking)
scm_misc_error (__FUNCTION__, "Improbable offset.", SCM_EOL);
}
+
return scm_from_double (total_off);
}
SCM
Side_position_interface::y_aligned_on_support_refpoints (SCM smob)
{
- return general_side_position (unsmob_grob (smob), Y_AXIS, false, false, false, 0, 0, 0);
+ return general_side_position (unsmob_grob (smob), Y_AXIS, false, false, false, 0, 0, 0);
}
MAKE_SCHEME_CALLBACK (Side_position_interface, pure_y_aligned_on_support_refpoints, 3);
SCM
Side_position_interface::pure_y_aligned_on_support_refpoints (SCM smob, SCM start, SCM end)
{
- return general_side_position (unsmob_grob (smob), Y_AXIS, false, false,
- true, scm_to_int (start), scm_to_int (end), 0);
+ return general_side_position (unsmob_grob (smob), Y_AXIS, false, false,
+ true, scm_to_int (start), scm_to_int (end), 0);
}
if (scm_is_number (current_off_scm))
{
r = scm_to_double (current_off_scm);
- current_off_ptr = &r;
+ current_off_ptr = &r;
}
-
+
return Side_position_interface::aligned_side (unsmob_grob (smob), a, pure, start, end, current_off_ptr);
}
if (fabs (position) <= 2 * Staff_symbol_referencer::staff_radius (me) + 1
/* In case of a ledger lines, quantize even if we're outside the staff. */
|| (Note_head::has_interface (head)
-
+
&& abs (Staff_symbol_referencer::get_position (head)) > abs (position)))
{
o += (rounded - position) * 0.5 * ss;
else if (scm_is_number (me->get_property ("staff-padding")) && dir)
{
Interval iv = me->maybe_pure_extent (me, a, pure, start, end);
-
- Real padding
+
+ Real staff_padding
= Staff_symbol_referencer::staff_space (me)
* scm_to_double (me->get_property ("staff-padding"));
- Grob *common = me->common_refpoint (staff, Y_AXIS);
-
- Interval staff_size = staff->maybe_pure_extent (common, Y_AXIS, pure, start, end);
- Real diff = dir*staff_size[dir] + padding - dir * (o + iv[-dir]);
- o += dir * max (diff, 0.0);
+ Grob *parent = me->get_parent (Y_AXIS);
+ Grob *common = me->common_refpoint (staff, Y_AXIS);
+ Real parent_position = parent->maybe_pure_coordinate (common, Y_AXIS, pure, start, end);
+ Real staff_position = staff->maybe_pure_coordinate (common, Y_AXIS, pure, start, end);
+ Interval staff_extent = staff->maybe_pure_extent (staff, a, pure, start, end);
+ Real diff = (dir * staff_extent[dir] + staff_padding
+ - dir * (o + iv[-dir])
+ + dir * (staff_position - parent_position));
+ o += dir * max (diff, 0.0);
}
}
return scm_from_double (o);
{
if (scm_is_number (me->get_property ("side-axis")))
return Axis (scm_to_int (me->get_property ("side-axis")));
-
+
string msg = String_convert::form_string ("side-axis not set for grob %s.",
me->name ().c_str ());
me->programming_error (msg);
return NO_AXES;
}
+MAKE_SCHEME_CALLBACK (Side_position_interface, move_to_extremal_staff, 1);
+SCM
+Side_position_interface::move_to_extremal_staff (SCM smob)
+{
+ Grob *me = unsmob_grob (smob);
+ System *sys = dynamic_cast<System*> (me->get_system ());
+ Direction dir = get_grob_direction (me);
+ if (dir != DOWN)
+ dir = UP;
+
+ Interval iv = me->extent (sys, X_AXIS);
+ iv.widen (1.0);
+ Grob *top_staff = sys->get_extremal_staff (dir, iv);
+
+ if (!top_staff)
+ return SCM_BOOL_F;
+
+ // Only move this grob if it is a direct child of the system. We
+ // are not interested in moving marks from other staves to the top
+ // staff; we only want to move marks from the system to the top
+ // staff.
+ if (sys != me->get_parent (Y_AXIS))
+ return SCM_BOOL_F;
+
+ me->set_parent (top_staff, Y_AXIS);
+ me->flush_extent_cache (Y_AXIS);
+ Axis_group_interface::add_element (top_staff, me);
+
+ // Remove any cross-staff side-support dependencies
+ Grob_array *ga = unsmob_grob_array (me->get_object ("side-support-elements"));
+ if (ga)
+ {
+ vector<Grob*> const& elts = ga->array ();
+ vector<Grob*> new_elts;
+ for (vsize i = 0; i < elts.size (); ++i)
+ {
+ if (me->common_refpoint (elts[i], Y_AXIS) == top_staff)
+ new_elts.push_back (elts[i]);
+ }
+ ga->set_array (new_elts);
+ }
+ return SCM_BOOL_T;
+}
+
+
ADD_INTERFACE (Side_position_interface,
"Position a victim object (this one) next to other objects"
" (the support). The property @code{direction} signifies where"
/* properties */
"direction "
- "direction-source "
"minimum-space "
"padding "
"quantize-position "
"side-axis "
- "side-relative-direction "
"side-support-elements "
"slur-padding "
"staff-padding "
projects / lilypond.git / blobdiff