source file of the GNU LilyPond music typesetter
- (c) 2006 Joe Neeman <joeneeman@gmail.com>
+ (c) 2006--2007 Joe Neeman <joeneeman@gmail.com>
*/
#ifndef SKYLINE_HH
#include "interval.hh"
#include "direction.hh"
#include "std-vector.hh"
-#include "stencil.hh"
+#include "smobs.hh"
struct Building
{
Interval iv_;
- Real start_height_;
- Real end_height_;
+ Drul_array<Real> height_;
- Real zero_height_;
+ Real y_intercept_;
Real slope_;
- void precompute (Real max_slope);
- Building (Real start, Real start_height, Real end_height, Real end, Real max_slope);
+ void precompute ();
+ Building (Real start, Real start_height, Real end_height, Real end);
+ Building (Box const &b, Real horizon_padding, Axis a, Direction d);
+ void print () const;
Real height (Real x) const;
- Real intersection (Building const &other) const;
- void leading_part (Real chop, Real h);
- bool obstructs (Building const &other) const;
+ Real intersection_x (Building const &other) const;
+ void leading_part (Real chop);
+ bool conceals_beginning (Building const &other) const;
+ bool conceals (Building const &other) const;
+ bool sane () const;
+ Building sloped_neighbour (Real horizon_padding, Direction d) const;
+
+ bool operator< (Building const &other)
+ {
+ return iv_[LEFT] < other.iv_[LEFT];
+ }
};
class Skyline
private:
list<Building> buildings_;
Direction sky_;
- Real max_slope_; // fixme: not part of skyline per se?
void internal_merge_skyline (list<Building>*, list<Building>*,
list<Building> *const result);
- void internal_build_skyline (list<Building>*,
- list<Building> *const result);
- bool is_legal_skyline () const;
+ list<Building> internal_build_skyline (list<Building>*);
+ DECLARE_SIMPLE_SMOBS(Skyline);
public:
Skyline ();
+ Skyline (Skyline const &src);
Skyline (Direction sky);
- Skyline (vector<Box> const &bldgs, Axis a, Direction sky);
- Skyline (vector<Offset> const &points, Real max_slope, Direction sky);
+ Skyline (vector<Box> const &bldgs, Real horizon_padding, Axis a, Direction sky);
+ Skyline (Box const &b, Real horizon_padding, Axis a, Direction sky);
vector<Offset> to_points () const;
void merge (Skyline const &);
- void insert (Box const &, Axis);
+ void insert (Box const &, Real horizon_padding, Axis);
+ void print () const;
void raise (Real);
+ void shift (Real);
Real distance (Skyline const &) const;
Real height (Real airplane) const;
Real max_height () const;
void set_minimum_height (Real height);
};
-Stencil to_stencil (Skyline const &line);
+class Skyline_pair
+{
+private:
+ Drul_array<Skyline> skylines_;
+
+ DECLARE_SIMPLE_SMOBS(Skyline_pair);
+public:
+ Skyline_pair ();
+ Skyline_pair (vector<Box> const &boxes, Real horizon_padding, Axis a);
+ Skyline_pair (Box const &, Real horizon_padding, Axis a);
+ void raise (Real);
+ void shift (Real);
+ void insert (Box const &, Real horizon_padding, Axis);
+ void merge (Skyline_pair const &other);
+ Skyline &operator [] (Direction d);
+ Skyline const &operator [] (Direction d) const;
+};
#endif /* SKYLINE_HH */