/*
- 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--2000 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 "molecule.hh"
#include "hairpin.hh"
-#include "spanner.hh"
-#include "font-interface.hh"
+
#include "dimensions.hh"
-#include "paper-def.hh"
-#include "debug.hh"
+#include "international.hh"
+#include "line-interface.hh"
+#include "output-def.hh"
#include "paper-column.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, brew_molecule, 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::brew_molecule (SCM smob)
+Hairpin::print (SCM smob)
{
- Grob *me= unsmob_grob (smob);
- Spanner *spanner = dynamic_cast<Spanner*>(me);
+ Spanner *me = unsmob_spanner (smob);
- Real line = me->paper_l ()->get_var ("stafflinethickness");
-
- SCM s = me->get_grob_property("grow-direction");
- if (!isdir_b (s))
+ SCM s = me->get_property ("grow-direction");
+ if (!is_direction (s))
{
me->suicide ();
return SCM_EOL;
}
-
- Direction grow_dir = to_dir (s);
-
- /* Ugh, must be same as Text_spanner::brew_molecule. */
- Real padding = gh_scm2double (me->get_grob_property ("if-text-padding"));
- Real broken_left = spanner->get_broken_left_end_align ();
- Real width = spanner->spanner_length ();
- width -= broken_left;
+ Direction grow_dir = to_dir (s);
+ Real padding = robust_scm2double (me->get_property ("bound-padding"), 0.5);
Drul_array<bool> broken;
- Drul_array<Real> extra_off;
+ Drul_array<Item *> bounds;
Direction d = LEFT;
do
{
- Item *b = spanner->get_bound (d);
- broken[d] = b->break_status_dir () != CENTER;
+ 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;
- if (!broken [d])
+ /*
+ 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];
+ }
+ 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;
+ Spanner *adjacent;
+ 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 =b->extent (b, X_AXIS);
- Real r = 0.0;
- if (!e.empty_b ())
- r = e[-d] + padding;
- width += d * r;
- extra_off[d] = r;
+ Interval e = 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);
- // FIXME: ecs tells us
- width += gh_scm2double (me->get_grob_property ("width-correct"));
- /* /Ugh */
-
+ Real width = x_points[RIGHT] - x_points[LEFT];
if (width < 0)
{
- warning (_ ((grow_dir < 0) ? "decrescendo too small"
- : "crescendo too small"));
+ me->warning (_ ((grow_dir < 0) ? "decrescendo too small"
+ : "crescendo too small"));
width = 0;
}
bool continued = broken[Direction (-grow_dir)];
- Real height = gh_scm2double (me->get_grob_property ("height"));
- Real thick = line * gh_scm2double (me->get_grob_property ("thickness"));
-
- const char* type = (grow_dir < 0) ? "decrescendo" : "crescendo";
- SCM hairpin = gh_list (ly_symbol2scm (type),
- gh_double2scm (thick),
- gh_double2scm (width),
- gh_double2scm (height),
- gh_double2scm (continued ? height/2 : 0.0),
- SCM_UNDEFINED);
-
- Box b (Interval (0, width), Interval (-2*height, 2*height));
- Molecule mol (b, hairpin);
- mol.translate_axis (broken_left + extra_off[LEFT], X_AXIS);
+ Real starth = 0;
+ Real endh = 0;
+ if (grow_dir < 0)
+ {
+ starth = height;
+ endh = continued ? height / 2 : 0.0;
+ }
+ else
+ {
+ starth = continued ? height / 2 : 0.0;
+ endh = height;
+ }
+
+ /*
+ should do relative to staff-symbol staff-space?
+ */
+ Stencil mol;
+ 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 (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);
return mol.smobbed_copy ();
}
+ADD_INTERFACE (Hairpin,
+ "A hairpin crescendo or decrescendo.",
+ /* properties */
+ "adjacent-spanners "
+ "circled-tip "
+ "bound-padding "
+ "grow-direction "
+ "height "
+ );