/*
- 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--2015 Jan Nieuwenhuizen <janneke@gnu.org>
- (c) 1997--2002 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 <string.h>
+#include <cstring>
+using namespace std;
-#include "box.hh"
-#include "debug.hh"
+#include "warn.hh"
#include "font-interface.hh"
-#include "molecule.hh"
+#include "line-interface.hh"
#include "paper-column.hh"
-#include "paper-def.hh"
-#include "text-item.hh"
+#include "output-def.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 "bracket.hh"
+#include "lily-imports.hh"
/*
this is too complicated. Yet another version of side-positioning,
--
* Should look for system_start_delim to find left edge of staff.
-
-*/
+ */
-MAKE_SCHEME_CALLBACK (Volta_bracket_interface,brew_molecule,1);
+MAKE_SCHEME_CALLBACK (Volta_bracket_interface, print, 1);
SCM
-Volta_bracket_interface::brew_molecule (SCM smob)
+Volta_bracket_interface::print (SCM smob)
{
- Grob *me = unsmob_grob (smob);
- Link_array<Item> bar_arr
- = Pointer_group_interface__extract_grobs (me, (Item*)0, "bars");
-
- if (!bar_arr.size ())
- return SCM_EOL;
-
- Spanner *orig_span = dynamic_cast<Spanner*> (me->original_l_);
-
- bool first_bracket = orig_span && (orig_span->broken_into_l_arr_[0] == (Spanner*)me);
-
- bool last_bracket = orig_span && (orig_span->broken_into_l_arr_.top () == (Spanner*)me);
-
- bool no_vertical_start = orig_span && !first_bracket;
- bool no_vertical_end = orig_span && !last_bracket;
- SCM bars = me->get_grob_property ("bars");
- Grob * endbar = unsmob_grob (ly_car (bars));
- SCM glyph = endbar->get_grob_property("glyph");
-
- String str;
- if (gh_string_p (glyph))
- str = ly_scm2string(glyph);
- else
- return SCM_EOL;
-
- const char* cs = str.ch_C();
- no_vertical_end |=
- (strcmp(cs,":|")!=0 && strcmp(cs,"|:")!=0 && strcmp(cs,"|.")!=0
- && strcmp(cs,":|:")!=0 && strcmp(cs,".|")!=0);
+ 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);
- Real staff_thick = me->paper_l ()->get_var ("linethickness");
- Real half_space = 0.5;
+ Output_def *layout = me->layout ();
- Item * bound = dynamic_cast<Spanner*> (me)->get_bound (LEFT);
+ Item *bound = dynamic_cast<Spanner *> (me)->get_bound (LEFT);
/*
- not a start, but really broken in two
- */
- Real left =0.;
+ 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->column_l ();
- left = pc->extent (pc, X_AXIS)[RIGHT] - bound->relative_coordinate (pc, X_AXIS);
- }
+ {
+ Paper_column *pc = bound->get_column ();
+ 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.
- */
- }
-
- Real w = dynamic_cast<Spanner*> (me)->spanner_length () - left - half_space;
- Real h = gh_scm2double (me->get_grob_property ("height"));
- Real t = staff_thick * gh_scm2double (me->get_grob_property ("thickness"));
-
-
- Molecule start,end ;
- if (!no_vertical_start)
- start = Lookup::line (t, Offset (0,0), Offset (0, h));
-
- if (!no_vertical_end)
- end = Lookup::line (t, Offset (w, 0), Offset (w,h));
-
- Molecule mol = Lookup::line (t, Offset (0, h), Offset (w,h));
- mol.add_molecule (start);
- mol.add_molecule (end);
-
- SCM text = me->get_grob_property ("text");
- SCM properties = me->get_property_alist_chain (SCM_EOL);
-
- Molecule num = Text_item::text2molecule (me, text, properties);
-
- mol.add_at_edge (X_AXIS, LEFT, num, - num.extent (X_AXIS).length ()
- - 1.0);
- mol.translate_axis (left, X_AXIS);
- return mol.smobbed_copy ();
-}
+ {
+ /*
+ 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.
+ */
+ }
+
+ modify_edge_height (me);
+ if (!me->is_live ())
+ return SCM_EOL;
+ 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));
+
+ scale_drul (&edge_height, - Real (get_grob_direction (me)));
+
+ Interval empty;
+ Offset start;
+ start[X_AXIS] = me->spanner_length () - left;
+
+ Stencil total
+ = 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);
+ 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);
+ }
+
+ total.translate_axis (left, X_AXIS);
+ return total.smobbed_copy ();
+}
void
-Volta_bracket_interface::add_bar (Grob *me, Item* b)
+Volta_bracket_interface::modify_edge_height (Spanner *me)
{
- 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);
+ 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 (Lily::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));
+ }
+
+ if (broken_last_bracket && no_vertical_end && no_vertical_start
+ && !broken_first_bracket)
+ me->suicide ();
}
void
-Volta_bracket_interface::add_column (Grob*me, Grob* c)
+Volta_bracket_interface::add_bar (Grob *me, Item *b)
{
- Side_position_interface::add_support (me,c);
+ Pointer_group_interface::add_grob (me, ly_symbol2scm ("bars"), b);
+ add_bound_item (dynamic_cast<Spanner *> (me), b);
}
-ADD_INTERFACE (Volta_bracket_interface,"volta-bracket-interface",
- "Volta bracket with number",
- "bars thickness height");
+ADD_INTERFACE (Volta_bracket_interface,
+ "Volta bracket with number.",
+
+ /* properties */
+ "bars "
+ "thickness "
+ "height "
+ "shorten-pair "
+ );
projects / lilypond.git / blobdiff