source file of the LilyPond music typesetter
- (c) 1996--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1996--2007 Han-Wen Nienhuys <hanwen@xs4all.nl>
Jan Nieuwenhuizen <janneke@gnu.org>
*/
#ifndef BEAM_HH
#define BEAM_HH
+#include "grob-interface.hh"
+#include "std-vector.hh"
#include "lily-proto.hh"
-#include "lily-guile.hh"
#include "stem-info.hh"
-
/*
TODO: move quanting in separate file.
- */
-struct Beam_quant_parameters {
+*/
+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 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);
+ void fill (Grob *him);
+};
+
+struct Beam_segment
+{
+ int vertical_count_;
+ Interval horizontal_;
+ Beam_segment ();
};
+struct Beam_stem_segment
+{
+ Beam_stem_segment ();
+
+ Grob *stem_;
+ Real width_;
+ Real stem_x_;
+ int rank_;
+ vsize stem_index_;
+ bool gapped_;
+ Direction dir_;
+ int max_connect_;
+
+};
+
+
+bool operator <(Beam_stem_segment const &a, Beam_stem_segment const &b);
+
class Beam
{
public:
- static int visible_stem_count (Grob *);
- static Grob *first_visible_stem (Grob *);
- static Grob *last_visible_stem (Grob *);
- static bool has_interface (Grob *);
+ 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_knee (Grob *);
- static void set_beaming (Grob *, Beaming_info_list *);
+ static void set_beaming (Grob *, Beaming_pattern const *);
static void set_stemlens (Grob *);
static int get_beam_count (Grob *me);
- static void position_beam (Grob *me);
static Real get_beam_translation (Grob *me);
static Real get_thickness (Grob *me);
static void connect_beams (Grob *me);
-
- DECLARE_SCHEME_CALLBACK (rest_collision_callback, (SCM element, SCM axis));
- DECLARE_SCHEME_CALLBACK (space_function, (SCM, SCM));
+ 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 (print, (SCM));
- DECLARE_SCHEME_CALLBACK (before_line_breaking, (SCM));
- DECLARE_SCHEME_CALLBACK (after_line_breaking, (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 (set_stem_lengths, (SCM));
/* position callbacks */
- DECLARE_SCHEME_CALLBACK (least_squares, (SCM));
- DECLARE_SCHEME_CALLBACK (check_concave, (SCM));
- DECLARE_SCHEME_CALLBACK (slope_damping, (SCM));
- DECLARE_SCHEME_CALLBACK (shift_region_to_valid, (SCM));
- DECLARE_SCHEME_CALLBACK (quanting, (SCM));
- static Real score_slopes_dy (Real, Real, Real, Real, Real, bool, Beam_quant_parameters const*);
-
- static Real score_stem_lengths (Link_array<Grob> const &stems,
- Array<Stem_info> const &stem_infos,
- Array<Real> const &base_stem_ys,
- Array<Real> const &stem_xs,
+ 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*);
+ 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*);
+ Beam_quant_parameters const *);
static int get_direction_beam_count (Grob *me, Direction d);
private:
static Real calc_stem_y (Grob *, Grob *s, Grob **c,
Real, Real,
Drul_array<Real> pos, bool french);
- static void set_stem_lengths (Grob *);
static int forced_stem_count (Grob *);
};
-#ifndef NDEBUG
-#define DEBUG_QUANTING 1
-#endif
#endif /* BEAM_HH */