/*
- beam.hh -- part of GNU LilyPond
+ This file is part of LilyPond, the GNU music typesetter.
- source file of the LilyPond music typesetter
-
- (c) 1996--2007 Han-Wen Nienhuys <hanwen@xs4all.nl>
+ Copyright (C) 1996--2015 Han-Wen Nienhuys <hanwen@xs4all.nl>
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/>.
*/
#ifndef BEAM_HH
#include "lily-proto.hh"
#include "stem-info.hh"
-/*
- TODO: move quanting in separate file.
-*/
-struct Beam_quant_parameters
-{
- Real INTER_QUANT_PENALTY;
- Real SECONDARY_BEAM_DEMERIT;
- Real STEM_LENGTH_DEMERIT_FACTOR;
- Real REGION_SIZE;
-
- /*
- threshold to combat rounding errors.
- */
- Real BEAM_EPS;
-
- // possibly ridiculous, but too short stems just won't do
- Real STEM_LENGTH_LIMIT_PENALTY;
- Real DAMPING_DIRECTION_PENALTY;
- Real MUSICAL_DIRECTION_FACTOR;
- Real HINT_DIRECTION_PENALTY;
- Real IDEAL_SLOPE_FACTOR;
- Real ROUND_TO_ZERO_SLOPE;
-
- void fill (Grob *him);
-};
-
struct Beam_segment
{
int vertical_count_;
- Interval horizontal_;
+ Interval horizontal_;
Beam_segment ();
};
-struct Beam_stem_segment
+bool beam_segment_less (Beam_segment const &a, Beam_segment const &b);
+
+struct Beam_stem_segment
{
Beam_stem_segment ();
bool gapped_;
Direction dir_;
int max_connect_;
-
};
-
bool operator <(Beam_stem_segment const &a, Beam_stem_segment const &b);
class Beam
static int normal_stem_count (Grob *);
static Grob *first_normal_stem (Grob *);
static Grob *last_normal_stem (Grob *);
- DECLARE_GROB_INTERFACE();
static void add_stem (Grob *, Grob *);
static bool is_cross_staff (Grob *);
static bool is_knee (Grob *);
static void set_stemlens (Grob *);
static int get_beam_count (Grob *me);
static Real get_beam_translation (Grob *me);
- static Real get_thickness (Grob *me);
+ static Real get_beam_thickness (Grob *me);
static void connect_beams (Grob *me);
- static vector<Beam_segment> get_beam_segments (Grob *me_grob, Grob **common);
- static Interval no_visible_stem_positions (Grob *me, Interval default_value);
-
+ static vector<Beam_segment> get_beam_segments (Grob *me_grob, Grob **common);
+
DECLARE_SCHEME_CALLBACK (rest_collision_callback, (SCM element, SCM prev_off));
+ DECLARE_SCHEME_CALLBACK (pure_rest_collision_callback, (SCM element, SCM, SCM, SCM prev_off));
DECLARE_SCHEME_CALLBACK (print, (SCM));
DECLARE_SCHEME_CALLBACK (calc_beaming, (SCM));
DECLARE_SCHEME_CALLBACK (calc_stem_shorten, (SCM));
DECLARE_SCHEME_CALLBACK (calc_direction, (SCM));
- DECLARE_SCHEME_CALLBACK (calc_positions, (SCM));
- DECLARE_SCHEME_CALLBACK (calc_least_squares_positions, (SCM, SCM));
- DECLARE_SCHEME_CALLBACK (calc_normal_stems, (SCM));
- DECLARE_SCHEME_CALLBACK (calc_concaveness, (SCM));
+ DECLARE_SCHEME_CALLBACK (calc_normal_stems, (SCM));
DECLARE_SCHEME_CALLBACK (set_stem_lengths, (SCM));
DECLARE_SCHEME_CALLBACK (calc_cross_staff, (SCM));
-
+ DECLARE_SCHEME_CALLBACK (calc_beam_segments, (SCM));
/* position callbacks */
- DECLARE_SCHEME_CALLBACK (shift_region_to_valid, (SCM, SCM));
- DECLARE_SCHEME_CALLBACK (slope_damping, (SCM, SCM));
- DECLARE_SCHEME_CALLBACK (quanting, (SCM, SCM));
-
-static Real score_slopes_dy (Real, Real, Real, Real, Real, bool, Beam_quant_parameters const *);
-
- static Real score_stem_lengths (vector<Grob*> const &stems,
- vector<Stem_info> const &stem_infos,
- vector<Real> const &base_stem_ys,
- vector<Real> const &stem_xs,
- Real xl, Real xr,
- bool knee,
- Real yl, Real yr, Beam_quant_parameters const *);
- static Real score_forbidden_quants (Real, Real,
- Real, Real, Real, Real,
- Drul_array<int>, Direction, Direction,
- Beam_quant_parameters const *);
+ DECLARE_SCHEME_CALLBACK (quanting, (SCM, SCM, SCM));
+ DECLARE_SCHEME_CALLBACK (calc_x_positions, (SCM));
static int get_direction_beam_count (Grob *me, Direction d);
+
private:
+ friend class Beam_scoring_problem;
+
static Direction get_default_dir (Grob *);
+ static vector<Beam_segment> get_beam_segments (Grob *);
static void set_stem_directions (Grob *, Direction);
static void consider_auto_knees (Grob *);
static void set_stem_shorten (Grob *);
- static Real calc_stem_y (Grob *, Grob *s, Grob **c,
- Real, Real, Direction,
- Drul_array<Real> pos, bool french);
static int forced_stem_count (Grob *);
+ static Real calc_stem_y (Grob *, Grob *s, Grob **c,
+ Real, Real, Direction,
+ Drul_array<Real> pos, bool french);
};
-
#endif /* BEAM_HH */