/*
- hairpin.cc -- implement Hairpin
+ This file is part of LilyPond, the GNU music typesetter.
- source file of the GNU LilyPond music typesetter
+ Copyright (C) 1997--2011 Han-Wen Nienhuys <hanwen@xs4all.nl>
- (c) 1997--2004 Han-Wen Nienhuys <hanwen@cs.uu.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 "hairpin.hh"
-#include "staff-symbol-referencer.hh"
-#include "line-interface.hh"
-#include "spanner.hh"
-#include "font-interface.hh"
+#include "axis-group-interface.hh"
#include "dimensions.hh"
+#include "international.hh"
+#include "line-interface.hh"
#include "output-def.hh"
-#include "warn.hh"
#include "paper-column.hh"
-#include "lookup.hh"
-#include "text-item.hh"
+#include "pointer-group-interface.hh"
+#include "spanner.hh"
+#include "staff-symbol-referencer.hh"
+#include "text-interface.hh"
+#include "note-column.hh"
+#include "warn.hh"
-MAKE_SCHEME_CALLBACK (Hairpin, print, 1);
+MAKE_SCHEME_CALLBACK (Hairpin, pure_height, 3);
+SCM
+Hairpin::pure_height (SCM smob, SCM, SCM)
+{
+ Grob *me = unsmob_grob (smob);
+ Real height = robust_scm2double (me->get_property ("height"), 0.0)
+ * Staff_symbol_referencer::staff_space (me);
+
+ Real thickness = robust_scm2double (me->get_property ("thickness"), 1)
+ * Staff_symbol_referencer::line_thickness (me);
+
+ height += thickness / 2;
+ return ly_interval2scm (Interval (-height, height));
+}
+MAKE_SCHEME_CALLBACK (Hairpin, print, 1);
SCM
-Hairpin::print (SCM smob)
+Hairpin::print (SCM smob)
{
- Grob *me= unsmob_grob (smob);
- Spanner *spanner = dynamic_cast<Spanner*> (me);
+ Spanner *me = unsmob_spanner (smob);
SCM s = me->get_property ("grow-direction");
if (!is_direction (s))
me->suicide ();
return SCM_EOL;
}
-
+
Direction grow_dir = to_dir (s);
Real padding = robust_scm2double (me->get_property ("bound-padding"), 0.5);
Drul_array<bool> broken;
- Drul_array<Item*> bounds ;
+ Drul_array<Item *> bounds;
Direction d = LEFT;
do
{
- bounds[d] = spanner->get_bound (d);
+ bounds[d] = me->get_bound (d);
broken[d] = bounds[d]->break_status_dir () != CENTER;
}
while (flip (&d) != LEFT);
+ broken[RIGHT] = broken[RIGHT] && me->broken_neighbor (RIGHT);
+ broken[RIGHT] = broken[RIGHT] && me->broken_neighbor (RIGHT)->is_live ();
+
+ if (broken[RIGHT])
+ {
+ Spanner *next = me->broken_neighbor (RIGHT);
+ Stencil *s = next->get_stencil ();
+ if (!s || s->is_empty ())
+ broken[RIGHT] = false;
+ }
+
Grob *common = bounds[LEFT]->common_refpoint (bounds[RIGHT], X_AXIS);
- Drul_array<Real> x_points ;
-
+ Drul_array<Real> x_points;
+
+ /*
+ Use the height and thickness of the hairpin when making a circled tip
+ */
+ bool circled_tip = ly_scm2bool (me->get_property ("circled-tip"));
+ Real height = robust_scm2double (me->get_property ("height"), 0.2)
+ * Staff_symbol_referencer::staff_space (me);
+ /*
+ FIXME: 0.525 is still just a guess...
+ */
+ Real rad = height * 0.525;
+ Real thick = 1.0;
+ if (circled_tip)
+ thick = robust_scm2double (me->get_property ("thickness"), 1.0)
+ * Staff_symbol_referencer::line_thickness (me);
+
do
{
Item *b = bounds[d];
x_points[d] = b->relative_coordinate (common, X_AXIS);
if (broken [d])
- {
- if (d == LEFT)
- x_points[d] = b->extent (common,X_AXIS)[RIGHT] ;
- }
+ {
+ if (d == LEFT)
+ x_points[d] = b->extent (common, X_AXIS)[RIGHT];
+ }
else
- {
- if (Text_interface::has_interface (b))
- {
- Interval e = b->extent (common, X_AXIS);
- if (!e.is_empty ())
- x_points[d] = e[-d] - d*padding;
- }
- else
- {
- bool neighbor_found = false;
- for (SCM adj = me->get_property ("adjacent-hairpins");
- scm_is_pair (adj); adj = scm_cdr (adj))
- {
- /*
- FIXME: this will fuck up in case of polyphonic
- notes in other voices. Need to look at note-columns
- in the current staff/voice.
- */
-
- Spanner *pin = unsmob_spanner (scm_car (adj));
- if (pin
- && (pin->get_bound (LEFT)->get_column() == b->get_column ()
- || pin->get_bound (RIGHT)->get_column() == b->get_column() ))
- neighbor_found = true;
- }
-
- /*
- If we're hung on a paper column, that means we're not
- adjacent to a text-dynamic, and we may move closer. We
- make the padding a little smaller, here.
- */
- Interval e = robust_relative_extent (b, common, X_AXIS);
- x_points[d] =
- neighbor_found ? e.center() - d * padding / 3 : e[d];
- }
- }
+ {
+ if (Text_interface::has_interface (b))
+ {
+ Interval e = b->extent (common, X_AXIS);
+ if (!e.is_empty ())
+ x_points[d] = e[-d] - d * padding;
+ }
+ else
+ {
+ bool neighbor_found = false;
+ Spanner *adjacent = NULL;
+ extract_grob_set (me, "adjacent-spanners", neighbors);
+ for (vsize i = 0; i < neighbors.size (); i++)
+ {
+ /*
+ FIXME: this will fuck up in case of polyphonic
+ notes in other voices. Need to look at note-columns
+ in the current staff/voice.
+ */
+ adjacent = dynamic_cast<Spanner *> (neighbors[i]);
+ if (adjacent
+ && (adjacent->get_bound (-d)->get_column ()
+ == b->get_column ()))
+ {
+ neighbor_found = true;
+ break;
+ }
+ }
+
+ Interval e = (Axis_group_interface::has_interface (b)
+ ? Axis_group_interface::generic_bound_extent (b, common, X_AXIS)
+ : robust_relative_extent (b, common, X_AXIS));
+ if (neighbor_found)
+ {
+ if (Hairpin::has_interface (adjacent))
+ {
+ /*
+ Handle back-to-back hairpins with a circle in the middle
+ */
+ if (circled_tip && (grow_dir != d))
+ x_points[d] = e.center () + d * (rad - thick / 2.0);
+ /*
+ If we're hung on a paper column, that means we're not
+ adjacent to a text-dynamic, and we may move closer. We
+ make the padding a little smaller, here.
+ */
+ else
+ x_points[d] = e.center () - d * padding / 3;
+ }
+ // Our neighbor is a dynamic text spanner, so add the
+ // same amount of padding as for text dynamics
+ else
+ x_points[d] = e[-d] - d * padding;
+ }
+ else
+ {
+ if (Note_column::has_interface (b)
+ && Note_column::has_rests (b))
+ x_points[d] = e[-d];
+ else
+ x_points[d] = e[d];
+
+ Item *bound = me->get_bound (d);
+ if (bound->is_non_musical (bound))
+ x_points[d] -= d * padding;
+ }
+ }
+ }
}
while (flip (&d) != LEFT);
-
Real width = x_points[RIGHT] - x_points[LEFT];
if (width < 0)
{
me->warning (_ ((grow_dir < 0) ? "decrescendo too small"
- : "crescendo too small"));
+ : "crescendo too small"));
width = 0;
}
bool continued = broken[Direction (-grow_dir)];
- Real height = robust_scm2double (me->get_property ("height"), 0.2) *
- Staff_symbol_referencer::staff_space (me);
- Real starth, endh;
+ Real starth = 0;
+ Real endh = 0;
if (grow_dir < 0)
{
starth = height;
- endh = continued ? height/2 : 0.0;
+ endh = continued ? height / 2 : 0.0;
}
else
{
- starth = continued ? height/2 : 0.0;
+ starth = continued ? height / 2 : 0.0;
endh = height;
}
/*
should do relative to staff-symbol staff-space?
*/
-
Stencil mol;
- mol = Line_interface::line (me, Offset (0, starth), Offset (width, endh));
+ Real x = 0.0;
+
+ /*
+ Compensate for size of circle
+ */
+ Direction tip_dir = -grow_dir;
+ if (circled_tip && !broken[tip_dir])
+ {
+ if (grow_dir > 0)
+ x = rad * 2.0;
+ else if (grow_dir < 0)
+ width -= rad * 2.0;
+ }
+ mol = Line_interface::line (me, Offset (x, starth), Offset (width, endh));
mol.add_stencil (Line_interface::line (me,
- Offset (0, -starth),
- Offset (width, -endh)));
+ Offset (x, -starth),
+ Offset (width, -endh)));
+
+ /*
+ Support al/del niente notation by putting a circle at the
+ tip of the (de)crescendo.
+ */
+ if (circled_tip)
+ {
+ Box extent (Interval (-rad, rad), Interval (-rad, rad));
+
+ /* Hmmm, perhaps we should have a Lookup::circle () method? */
+ Stencil circle (extent,
+ scm_list_4 (ly_symbol2scm ("circle"),
+ scm_from_double (rad),
+ scm_from_double (thick),
+ SCM_BOOL_F));
+
+ /*
+ don't add another circle if the hairpin is broken
+ */
+ if (!broken[tip_dir])
+ mol.add_at_edge (X_AXIS, tip_dir, Stencil (circle), 0);
+ }
mol.translate_axis (x_points[LEFT]
- - bounds[LEFT]->relative_coordinate (common, X_AXIS),
- X_AXIS);
+ - bounds[LEFT]->relative_coordinate (common, X_AXIS),
+ X_AXIS);
return mol.smobbed_copy ();
}
+ADD_INTERFACE (Hairpin,
+ "A hairpin crescendo or decrescendo.",
-
-ADD_INTERFACE (Hairpin, "hairpin-interface",
- "A hairpin (de)crescendo.",
- "grow-direction height bound-padding adjacent-hairpins");
-
+ /* properties */
+ "adjacent-spanners "
+ "circled-tip "
+ "bound-padding "
+ "grow-direction "
+ "height "
+ );
projects / lilypond.git / blobdiff