/*
- volta-bracket.cc -- implement Volta_bracket_interface
+ This file is part of LilyPond, the GNU music typesetter.
- source file of the GNU LilyPond music typesetter
+ Copyright (C) 1997--2014 Jan Nieuwenhuizen <janneke@gnu.org>
- (c) 1997--2005 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 <cstring>
+using namespace std;
#include "warn.hh"
#include "font-interface.hh"
#include "line-interface.hh"
#include "paper-column.hh"
#include "output-def.hh"
-#include "text-item.hh"
+#include "text-interface.hh"
#include "volta-bracket.hh"
-#include "group-interface.hh"
+#include "pointer-group-interface.hh"
#include "side-position-interface.hh"
#include "directional-element-interface.hh"
#include "lookup.hh"
+#include "tuplet-bracket.hh"
/*
this is too complicated. Yet another version of side-positioning,
SCM
Volta_bracket_interface::print (SCM smob)
{
- Grob *me = unsmob_grob (smob);
- Spanner *orig_span = dynamic_cast<Spanner *> (me->original_);
-
- bool broken_first_bracket = orig_span && (orig_span->broken_intos_[0] == (Spanner *)me);
+ Spanner *me = unsmob_spanner (smob);
+ Spanner *orig_span = dynamic_cast<Spanner *> (me->original ());
+ bool broken_first_bracket = orig_span && (orig_span->broken_intos_[0]
+ == (Spanner *)me);
- bool broken_last_bracket = orig_span && (orig_span->broken_intos_.top () == (Spanner *)me);
-
- bool no_vertical_start = orig_span && !broken_first_bracket;
- bool no_vertical_end = orig_span && !broken_last_bracket;
- SCM s = me->get_property ("bars");
- Grob *endbar = scm_is_pair (s) ? unsmob_grob (scm_car (s)) : 0;
- SCM glyph = endbar ? endbar->get_property ("glyph") : SCM_EOL;
-
- String str;
- if (scm_is_string (glyph))
- str = ly_scm2string (glyph);
- else
- str = "|";
-
- const char *cs = str.to_str0 ();
- no_vertical_end
- |= (strcmp (cs, ":|") != 0 && strcmp (cs, "|:") != 0 && strcmp (cs, "|.") != 0
- && strcmp (cs, ":|:") != 0 && strcmp (cs, ".|") != 0);
-
- Output_def *layout = me->get_layout ();
- Real half_space = 0.5;
+ Output_def *layout = me->layout ();
Item *bound = dynamic_cast<Spanner *> (me)->get_bound (LEFT);
/*
- not a start, but really broken in two
+ If the volta bracket appears after a line-break, make
+ it start after the prefatory matter.
*/
Real left = 0.;
if (bound->break_status_dir () == RIGHT)
{
Paper_column *pc = bound->get_column ();
- left = pc->extent (pc, X_AXIS)[RIGHT] - bound->relative_coordinate (pc, X_AXIS);
+ left = pc->break_align_width (pc, ly_symbol2scm ("break-alignment"))[RIGHT]
+ // For some reason, break_align_width is relative to
+ // the x-parent of the column.
+ - bound->relative_coordinate (pc->get_parent (X_AXIS), X_AXIS);
}
else
{
/*
- the volta spanner is attached to the bar-line, which is moved
- to the right. We don't need to compensate for the left edge.
+ the volta spanner is attached to the bar-line, which is moved
+ to the right. We don't need to compensate for the left edge.
*/
}
- Real w = dynamic_cast<Spanner *> (me)->spanner_length () - left - half_space;
- Real h = robust_scm2double (me->get_property ("height"), 1);
+ modify_edge_height (me);
+ if (!me->is_live ())
+ return SCM_EOL;
- Stencil start, end;
- if (!no_vertical_start)
- start = Line_interface::line (me, Offset (0, 0), Offset (0, h));
+ Drul_array<Real> edge_height = robust_scm2interval (me->get_property ("edge-height"),
+ Interval (1.0, 1.0));
+ Drul_array<Real> flare = robust_scm2interval (me->get_property ("bracket-flare"),
+ Interval (0, 0));
+ Drul_array<Real> shorten = robust_scm2interval (me->get_property ("shorten-pair"),
+ Interval (0, 0));
- if (!no_vertical_end)
- end = Line_interface::line (me, Offset (w, 0), Offset (w, h));
+ scale_drul (&edge_height, - Real (get_grob_direction (me)));
- Stencil mol = Line_interface::line (me, Offset (0, h), Offset (w, h));
- mol.add_stencil (start);
- mol.add_stencil (end);
+ Interval empty;
+ Offset start;
+ start[X_AXIS] = me->spanner_length () - left;
+
+ /*
+ ugh, Tuplet_bracket should use Horizontal_bracket, not the other way around.
+ */
+ Stencil total
+ = Tuplet_bracket::make_bracket (me, Y_AXIS, start,
+ edge_height, empty, flare, shorten);
if (!orig_span || broken_first_bracket)
{
SCM text = me->get_property ("text");
SCM properties = me->get_property_alist_chain (SCM_EOL);
- SCM snum = Text_interface::interpret_markup (layout->self_scm (), properties, text);
- Stencil num = *unsmob_stencil (snum);
+ SCM snum = Text_interface::interpret_markup (layout->self_scm (),
+ properties, text);
+ Stencil num = *Stencil::unsmob (snum);
+ num.align_to (Y_AXIS, UP);
+ num.translate_axis (-0.5, Y_AXIS);
+ total.add_at_edge (X_AXIS, LEFT, num, - num.extent (X_AXIS).length ()
+ - 1.0);
+ }
- mol.add_at_edge (X_AXIS, LEFT, num, - num.extent (X_AXIS).length ()
- - 1.0, 0);
+ total.translate_axis (left, X_AXIS);
+ return total.smobbed_copy ();
+}
+
+void
+Volta_bracket_interface::modify_edge_height (Spanner *me)
+{
+ Spanner *orig_span = dynamic_cast<Spanner *> (me->original ());
+
+ bool broken_first_bracket = orig_span && (orig_span->broken_intos_[0] == (Spanner *)me);
+ bool broken_last_bracket = orig_span && (orig_span->broken_intos_.back () == (Spanner *)me);
+ bool no_vertical_start = orig_span && !broken_first_bracket;
+ bool no_vertical_end = orig_span && !broken_last_bracket;
+
+ extract_grob_set (me, "bars", bars);
+ Grob *endbar = bars.size () ? bars.back () : 0;
+ SCM glyph = endbar ? endbar->get_property ("glyph-name") : SCM_EOL;
+
+ string str;
+ if (scm_is_string (glyph))
+ str = ly_scm2string (glyph);
+ else
+ str = "|";
+
+ no_vertical_end |= ly_scm2bool (scm_call_1 (ly_lily_module_constant ("volta-bracket::calc-hook-visibility"),
+ ly_string2scm (str)));
+
+ if (no_vertical_end || no_vertical_start)
+ {
+ Drul_array<Real> edge_height = robust_scm2interval (me->get_property ("edge-height"),
+ Interval (1.0, 1.0));
+ if (no_vertical_start)
+ edge_height[LEFT] = 0.0;
+
+ if (no_vertical_end)
+ edge_height[RIGHT] = 0.0;
+
+ me->set_property ("edge-height", ly_interval2scm (edge_height));
}
- mol.translate_axis (left, X_AXIS);
- return mol.smobbed_copy ();
+
+ if (broken_last_bracket && no_vertical_end && no_vertical_start
+ && !broken_first_bracket)
+ me->suicide ();
}
void
Volta_bracket_interface::add_bar (Grob *me, Item *b)
{
Pointer_group_interface::add_grob (me, ly_symbol2scm ("bars"), b);
- Side_position_interface::add_support (me, b);
add_bound_item (dynamic_cast<Spanner *> (me), b);
}
-void
-Volta_bracket_interface::add_column (Grob *me, Grob *c)
-{
- Side_position_interface::add_support (me, c);
-}
+ADD_INTERFACE (Volta_bracket_interface,
+ "Volta bracket with number.",
-ADD_INTERFACE (Volta_bracket_interface, "volta-bracket-interface",
- "Volta bracket with number",
- "bars thickness height");
+ /* properties */
+ "bars "
+ "thickness "
+ "height "
+ "shorten-pair "
+ );
projects / lilypond.git / blobdiff