/*
- breathing_sign.cc -- implement Breathing_sign
+ This file is part of LilyPond, the GNU music typesetter.
- Copyright (C) 1999 Michael Krause
+ Copyright (C) 1999--2011 Michael Krause
+ Extensions for ancient notation (c) 2003--2011 by Juergen Reuter
- written for the GNU LilyPond music typesetter
+ 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.
-TODO: --> see breathing-sign-engraver.cc
+ 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 "breathing-sign.hh"
-#include "string.hh"
-#include "molecule.hh"
-#include "paper-def.hh"
-#include "lookup.hh"
-#include "debug.hh"
+
#include "dimensions.hh"
#include "direction.hh"
+#include "directional-element-interface.hh"
+#include "font-interface.hh"
+#include "grob.hh"
+#include "lookup.hh"
+#include "output-def.hh"
+#include "staff-symbol.hh"
+#include "staff-symbol-referencer.hh"
+#include "text-interface.hh"
-#include <iostream.h>
+/*
+ UGH : this is full of C&P code. Consolidate! --hwn
+*/
-Breathing_sign::Breathing_sign ()
+/*
+ Gregorian chant divisio minima. (Actually, this was the original
+ breathing sign by Michael. -- jr)
+*/
+MAKE_SCHEME_CALLBACK (Breathing_sign, divisio_minima, 1);
+SCM
+Breathing_sign::divisio_minima (SCM smob)
{
- dir_ = UP;
- set_elt_property (breakable_scm_sym, SCM_BOOL_T);
- set_elt_property (break_priority_scm_sym, gh_int2scm (-4));
- set_elt_property (visibility_lambda_scm_sym,
- ly_ch_C_eval_scm ("non_postbreak_visibility"));
+ Grob *me = unsmob_grob (smob);
+ Real staff_space = Staff_symbol_referencer::staff_space (me);
+
+ Real thickness = Staff_symbol_referencer::line_thickness (me);
+ thickness *= robust_scm2double (me->get_property ("thickness"), 1.0);
+
+ Real blotdiameter = me->layout ()->get_dimension (ly_symbol2scm ("blot-diameter"));
+
+ /*
+ * Draw a small vertical line through the uppermost (or, depending
+ * on direction, lowermost) staff line.
+ */
+ Interval xdim (0, thickness);
+ Interval ydim (-0.5 * staff_space, +0.5 * staff_space);
+ Box b (xdim, ydim);
+ Stencil out = Lookup::round_filled_box (b, blotdiameter);
+ return out.smobbed_copy ();
}
-void
-Breathing_sign::set_vertical_position (Direction updown)
+/*
+ Gregorian chant divisio maior.
+*/
+MAKE_SCHEME_CALLBACK (Breathing_sign, divisio_maior, 1);
+SCM
+Breathing_sign::divisio_maior (SCM smob)
{
- assert(updown >= -1 && updown <= +1);
+ Grob *me = unsmob_grob (smob);
+ Real staff_space = Staff_symbol_referencer::staff_space (me);
+ Real staff_size;
+ Real thickness = Staff_symbol_referencer::line_thickness (me);
+ thickness *= robust_scm2double (me->get_property ("thickness"), 1.0);
- if(updown != 0)
- dir_ = updown;
+ if (Staff_symbol_referencer::get_staff_symbol (me))
+ staff_size = (Staff_symbol_referencer::line_count (me) - 1) * staff_space;
+ else
+ staff_size = 0.0;
+
+ Real blotdiameter = me->layout ()->get_dimension (ly_symbol2scm ("blot-diameter"));
+
+ /*
+ * Draw a vertical line that is vertically centered in the staff
+ * (just like a bar). The height of this line should be a little
+ * more than half the size of the staff, such that the endings of
+ * the line are in the middle of a staff space.
+ */
+ int lines = Staff_symbol_referencer::line_count (me);
+ int height = lines / 2; // little more than half of staff size
+ if ((lines & 1) != (height & 1))
+ height++; // ensure endings are centered in staff space
+
+ Interval xdim (0, thickness);
+ Interval ydim (-0.5 * height, +0.5 * height);
+ Box b (xdim, ydim);
+ Stencil out = Lookup::round_filled_box (b, blotdiameter);
+ return out.smobbed_copy ();
}
-Molecule*
-Breathing_sign::do_brew_molecule_p () const
+/*
+ Gregorian chant divisio maxima.
+*/
+MAKE_SCHEME_CALLBACK (Breathing_sign, divisio_maxima, 1);
+SCM
+Breathing_sign::divisio_maxima (SCM smob)
{
- Real dl = staff_line_leading_f();
- Interval i1(0, dl / 6), i2(-dl / 2, dl / 2);
- Box b(i1, i2);
+ Grob *me = unsmob_grob (smob);
+ Real staff_space = Staff_symbol_referencer::staff_space (me);
+ Real staff_size;
+ Real thickness = Staff_symbol_referencer::line_thickness (me);
+ thickness *= robust_scm2double (me->get_property ("thickness"), 1.0);
+
+ if (Staff_symbol_referencer::get_staff_symbol (me))
+ staff_size = (Staff_symbol_referencer::line_count (me) - 1) * staff_space;
+ else
+ staff_size = 0.0;
- Molecule *output = new Molecule (lookup_l()->filledbox(b));
+ Real blotdiameter = me->layout ()->get_dimension (ly_symbol2scm ("blot-diameter"));
- return output;
+ // like a "|" type bar
+ Interval xdim (0, thickness);
+ Interval ydim (-0.5 * staff_size, +0.5 * staff_size);
+ Box b (xdim, ydim);
+ Stencil out = Lookup::round_filled_box (b, blotdiameter);
+ return out.smobbed_copy ();
}
-void
-Breathing_sign::do_post_processing()
+/*
+ Gregorian chant finalis.
+*/
+MAKE_SCHEME_CALLBACK (Breathing_sign, finalis, 1);
+SCM
+Breathing_sign::finalis (SCM smob)
{
- Real dl = staff_line_leading_f();
+ Grob *me = unsmob_grob (smob);
+ Real staff_space = Staff_symbol_referencer::staff_space (me);
+ Real staff_size;
+ Real thickness = Staff_symbol_referencer::line_thickness (me);
+ thickness *= robust_scm2double (me->get_property ("thickness"), 1.0);
- translate_axis(2.0 * dl * dir_, Y_AXIS);
+ if (Staff_symbol_referencer::get_staff_symbol (me))
+ staff_size = (Staff_symbol_referencer::line_count (me) - 1) * staff_space;
+ else
+ staff_size = 0.0;
+
+ Real blotdiameter = me->layout ()->get_dimension (ly_symbol2scm ("blot-diameter"));
+
+ // like a "||" type bar
+ Interval xdim (0, thickness);
+ Interval ydim (-0.5 * staff_size, +0.5 * staff_size);
+ Box b (xdim, ydim);
+ Stencil line1 = Lookup::round_filled_box (b, blotdiameter);
+ Stencil line2 (line1);
+ line2.translate_axis (0.5 * staff_space, X_AXIS);
+ line1.add_stencil (line2);
+
+ return line1.smobbed_copy ();
}
+
+MAKE_SCHEME_CALLBACK (Breathing_sign, offset_callback, 1);
+SCM
+Breathing_sign::offset_callback (SCM smob)
+{
+ Grob *me = unsmob_grob (smob);
+
+ Direction d = get_grob_direction (me);
+ if (!d)
+ {
+ d = UP;
+ set_grob_direction (me, d);
+ }
+
+ Grob *staff = Staff_symbol_referencer::get_staff_symbol (me);
+ if (staff)
+ {
+ Interval iv = Staff_symbol::line_span (staff);
+ Real inter = Staff_symbol::staff_space (me) / 2;
+ return scm_from_double (inter * iv[d]);
+ }
+
+ return scm_from_double (0.0);
+}
+
+ADD_INTERFACE (Breathing_sign,
+ "A breathing sign.",
+
+ /* properties */
+ "direction "
+ );
projects / lilypond.git / blobdiff