/*
- line-spanner.cc -- implement Line_spanner
+ This file is part of LilyPond, the GNU music typesetter.
- source file of the GNU LilyPond music typesetter
+ Copyright (C) 2000--2011 Jan Nieuwenhuizen <janneke@gnu.org>
- (c) 2000--2007 Jan Nieuwenhuizen <janneke@gnu.org>
+ 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 "align-interface.hh"
#include "item.hh"
#include "lily-proto.hh"
#include "line-interface.hh"
-#include "moment.hh"
#include "output-def.hh"
#include "pointer-group-interface.hh"
#include "spanner.hh"
{
public:
DECLARE_SCHEME_CALLBACK (print, (SCM));
- DECLARE_SCHEME_CALLBACK (after_line_breaking, (SCM));
DECLARE_SCHEME_CALLBACK (calc_left_bound_info, (SCM));
DECLARE_SCHEME_CALLBACK (calc_left_bound_info_and_text, (SCM));
DECLARE_SCHEME_CALLBACK (calc_right_bound_info, (SCM));
Spanner *parent_spanner (Grob *g)
{
if (Spanner::has_interface (g))
- return dynamic_cast<Spanner*> (g);
+ return dynamic_cast<Spanner *> (g);
return parent_spanner (g->get_parent (Y_AXIS));
}
for (SCM s = scm_reverse (extra); scm_is_pair (s); s = scm_cdr (s))
details = scm_cons (scm_car (s), details);
}
-
+
if (details == SCM_BOOL_F)
details = ly_assoc_get (ly_symbol2scm ("default"), bound_details, SCM_EOL);
properties, text),
details);
}
-
+
if (!scm_is_number (ly_assoc_get (ly_symbol2scm ("X"), details, SCM_BOOL_F)))
{
Direction attach = (Direction)
bound_grob = (dir == LEFT)
? columns[0] : columns.back();
}
-
+
details = scm_acons (ly_symbol2scm ("X"),
scm_from_double (robust_relative_extent (bound_grob, commonx, X_AXIS)
.linear_combination (attach)),
details);
}
-
+
if (!scm_is_number (ly_assoc_get (ly_symbol2scm ("Y"), details, SCM_BOOL_F)))
{
Grob *common_y = me->common_refpoint (me->get_bound (dir), Y_AXIS);
if (me->get_bound (dir)->break_status_dir ())
{
- Spanner *next_sp = me->broken_neighbor (dir);
- Item *next_bound = next_sp->get_bound (dir);
-
- if (next_bound->break_status_dir ())
+ if (to_boolean (me->get_property ("simple-Y")))
{
- programming_error ("no note heads for the line spanner on neighbor line?"
- " Confused.");
- me->suicide ();
- return SCM_EOL;
- }
-
- Spanner *next_bound_parent = parent_spanner (next_bound);
- Interval next_ext = next_bound->extent (next_bound_parent, Y_AXIS);
-
- /* We want to know what would be the
- y-position of the next bound (relative to my y-parent) if it belonged
- to the same system as this bound. We rely on the fact that
- the y-parent of the next bound is a spanner (probably the
- VerticalAxisGroup of a staff) that extends over the break.
- */
- Spanner *next_bound_parent_on_this_line =
- next_bound_parent->broken_neighbor (other_dir (dir));
-
- if (next_bound_parent_on_this_line)
- {
- Grob *common = me->common_refpoint (next_bound_parent_on_this_line, Y_AXIS);
- Real bound_offset = next_bound_parent_on_this_line->relative_coordinate (common, Y_AXIS);
- y = next_ext.center () + bound_offset - me->relative_coordinate (common, Y_AXIS);
- }
- else
- {
- /* We fall back to assuming that the distance between staves doesn't
- change over line breaks. */
- programming_error ("next-bound's parent doesn't extend to this line");
- Grob *next_system = next_bound->get_system ();
- Grob *this_system = me->get_system ();
- y = next_ext.center () + next_bound_parent->relative_coordinate (next_system, Y_AXIS)
- - me->relative_coordinate (this_system, Y_AXIS);
+ Spanner *orig = dynamic_cast<Spanner *>(me->original ());
+ Spanner *extreme = dir == LEFT ? orig->broken_intos_.front () : orig->broken_intos_.back ();
+ Grob *e_bound = extreme->get_bound (dir);
+ Grob *e_common_y = extreme->common_refpoint (e_bound, Y_AXIS);
+ y = e_bound->extent (e_common_y, Y_AXIS).center ();
}
+ else
+ {
+ Spanner *next_sp = me->broken_neighbor (dir);
+ Item *next_bound = next_sp->get_bound (dir);
+
+ if (next_bound->break_status_dir ())
+ {
+ programming_error ("no note heads for the line spanner on neighbor line?"
+ " Confused.");
+ me->suicide ();
+ return SCM_EOL;
+ }
+
+ Spanner *next_bound_parent = parent_spanner (next_bound);
+ Interval next_ext = next_bound->extent (next_bound_parent, Y_AXIS);
+
+ /*
+ We want to know what would be the y-position of the next
+ bound (relative to my y-parent) if it belonged to the
+ same system as this bound. We rely on the fact that the
+ y-parent of the next bound is a spanner (probably the
+ VerticalAxisGroup of a staff) that extends over the break.
+ */
+ Spanner *next_bound_parent_on_this_line =
+ next_bound_parent->broken_neighbor (other_dir (dir));
+
+ if (next_bound_parent_on_this_line)
+ {
+ Grob *common = me->common_refpoint (next_bound_parent_on_this_line, Y_AXIS);
+ Real bound_offset = next_bound_parent_on_this_line->relative_coordinate (common, Y_AXIS);
+ y = next_ext.center () + bound_offset - me->relative_coordinate (common, Y_AXIS);
+ }
+ else
+ {
+ /*
+ We fall back to assuming that the distance between
+ staves doesn't change over line breaks.
+ */
+ programming_error ("next-bound's parent doesn't extend to this line");
+ Grob *next_system = next_bound->get_system ();
+ Grob *this_system = me->get_system ();
+ y = next_ext.center () + next_bound_parent->relative_coordinate (next_system, Y_AXIS)
+ - me->relative_coordinate (this_system, Y_AXIS);
+ }
+ }
}
else
{
properties, text),
alist);
}
-
+
return alist;
}
{
Spanner *me = dynamic_cast<Spanner *> (unsmob_grob (smob));
- Interval_t<Moment> moments = me->spanned_time ();
- /*
- We remove the line at the start of the line. For piano voice
- indicators, it makes no sense to have them at the start of the
- line.
-
- I'm not sure what the official rules for glissandi are, but
- usually the 2nd note of the glissando is "exact", so when playing
- from the start of the line, there is no need to glide.
-
- From a typographical p.o.v. this makes sense, since the amount of
- space left of a note at the start of a line is very small.
+ // Triggers simple-Y calculations
+ bool simple_y = to_boolean (me->get_property ("simple-Y")) && !to_boolean (me->get_property ("cross-staff"));
- --hwn.
-
- */
- if (moments.length () == Moment (0,0))
- return SCM_EOL;
-
Drul_array<SCM> bounds (me->get_property ("left-bound-info"),
me->get_property ("right-bound-info"));
-
Grob *commonx = me->get_bound (LEFT)->common_refpoint (me->get_bound (RIGHT), X_AXIS);
commonx = me->common_refpoint (commonx, X_AXIS);
bounds[d], SCM_BOOL_F), 0.0),
robust_scm2double (ly_assoc_get (ly_symbol2scm ("Y"),
bounds[d], SCM_BOOL_F), 0.0));
-
+
span_points[d] = z;
}
while (flip (&d) != LEFT);
Drul_array<Real> gaps (0, 0);
Drul_array<bool> arrows (0, 0);
- Drul_array<Real> anchor_align (0, 0);
- Drul_array<Stencil*> stencils (0,0);
- Drul_array<Grob*> common_y (0, 0);
+ Drul_array<Stencil *> stencils (0,0);
+ Drul_array<Grob *> common_y (0, 0);
+
+ // For scaling of 'padding and 'stencil-offset
+ Real magstep
+ = pow (2, robust_scm2double (me->get_property ("font-size"), 0.0) / 6);
+
do
{
gaps[d] = robust_scm2double (ly_assoc_get (ly_symbol2scm ("padding"),
bounds[d], SCM_BOOL_F), 0.0);
arrows[d] = to_boolean (ly_assoc_get (ly_symbol2scm ("arrow"),
bounds[d], SCM_BOOL_F));
- anchor_align[d] = robust_scm2double (ly_assoc_get (ly_symbol2scm ("anchor-alignment"),
- bounds[d], SCM_BOOL_F), LEFT);
stencils[d] = unsmob_stencil (ly_assoc_get (ly_symbol2scm ("stencil"),
bounds[d], SCM_BOOL_F));
common_y[d] = unsmob_grob (ly_assoc_get (ly_symbol2scm ("common-Y"),
bounds[d], SCM_BOOL_F));
if (!common_y[d])
- common_y[d] = me;
+ common_y[d] = me;
}
while (flip (&d) != LEFT);
Grob *my_common_y = common_y[LEFT]->common_refpoint (common_y[RIGHT], Y_AXIS);
- do
- span_points[d][Y_AXIS] += common_y[d]->relative_coordinate (my_common_y, Y_AXIS);
- while (flip (&d) != LEFT);
+
+ if (!simple_y)
+ {
+ do
+ span_points[d][Y_AXIS] += common_y[d]->relative_coordinate (my_common_y, Y_AXIS);
+ while (flip (&d) != LEFT);
+ }
+
+ Interval normalized_endpoints = robust_scm2interval (me->get_property ("normalized-endpoints"), Interval (0, 1));
+ Real y_length = span_points[RIGHT][Y_AXIS] - span_points[LEFT][Y_AXIS];
+
+ span_points[LEFT][Y_AXIS] += normalized_endpoints[LEFT] * y_length;
+ span_points[RIGHT][Y_AXIS] -= (1 - normalized_endpoints[RIGHT]) * y_length;
Offset dz = (span_points[RIGHT] - span_points[LEFT]);
Offset dz_dir = dz.direction ();
Stencil line;
do
{
- span_points[d] += -d * gaps[d] * dz.direction ();
+ span_points[d] += -d * gaps[d] * magstep * dz.direction ();
if (stencils[d])
{
- Interval ext = stencils[d]->extent (X_AXIS);
- Real anchor = ext.linear_combination (anchor_align[d]) - ext[LEFT];
- span_points[d][X_AXIS] -= anchor;
-
Stencil s = stencils[d]->translated (span_points[d]);
SCM align = ly_assoc_get (ly_symbol2scm ("stencil-align-dir-y"),
bounds[d], SCM_BOOL_F);
SCM off = ly_assoc_get (ly_symbol2scm ("stencil-offset"),
bounds[d], SCM_BOOL_F);
- if (scm_is_number (align))
+ if (scm_is_number (align))
s.align_to (Y_AXIS, scm_to_double (align));
- /*
- todo: should use font-size.
- */
if (is_number_pair (off))
- s.translate (ly_scm2offset (off));
-
+ s.translate (ly_scm2offset (off) * magstep);
+
line.add_stencil (s);
}
}
if (line_right[X_AXIS] > line_left[X_AXIS])
{
line.add_stencil (Line_interface::line (me, line_left, line_right));
-
+
line.add_stencil (Line_interface::arrows (me,
span_points[LEFT],
span_points[RIGHT],
}
line.translate (Offset (-me->relative_coordinate (commonx, X_AXIS),
- -me->relative_coordinate (my_common_y, Y_AXIS)));
-
+ simple_y ? 0.0 : -me->relative_coordinate (my_common_y, Y_AXIS)));
+
return line.smobbed_copy ();
}
ADD_INTERFACE (Line_spanner,
"Generic line drawn between two objects, e.g., for use with"
- " glissandi.\n"
- "\n"
- "The property @code{style} can be @code{line},"
- " @code{dashed-line}, @code{trill}, @code{dotted-line} or"
- " @code{zigzag}.",
+ " glissandi.",
/* properties */
"bound-details "
"left-bound-info "
"note-columns "
"right-bound-info "
+ "simple-Y "
"thickness "
"to-barline "
);
-
projects / lilypond.git / blobdiff