source file of the GNU LilyPond music typesetter
- (c) 2006 Joe Neeman <joeneeman@gmail.com>
+ (c) 2006--2009 Joe Neeman <joeneeman@gmail.com>
*/
#ifndef SKYLINE_HH
#define SKYLINE_HH
-#include <list>
+#include "lily-proto.hh"
#include "axis.hh"
#include "box.hh"
#include "interval.hh"
#include "direction.hh"
#include "std-vector.hh"
-#include "stencil.hh"
+#include "smobs.hh"
+
+#include <list>
struct Building
{
- Interval iv_;
- Real start_height_;
- Real end_height_;
- Real m_;
- Real b_;
+ Real end_;
+ Real y_intercept_;
+ Real slope_;
- Building (Real start, Real start_height, Real end_height, Real end, Real max_slope);
+ void precompute (Real start, Real start_height, Real end_height, Real end);
+ 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 (Building const &other, Real x) const;
+ Building sloped_neighbour (Real start, Real horizon_padding, Direction d) const;
};
class Skyline
private:
list<Building> buildings_;
Direction sky_;
- Real max_slope_;
+
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<Box>*, Real, Axis, Direction);
+
+ DECLARE_SIMPLE_SMOBS(Skyline);
public:
Skyline ();
+ Skyline (Skyline const &src);
Skyline (Direction sky);
- Skyline (vector<Box> const &bldgs, Axis a, 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 (Axis) const;
void merge (Skyline const &);
- void insert (Box const &, Axis);
+ void insert (Box const &, Real horizon_padding, Axis);
+ void print () const;
+ void print_points () 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 stencil ();
+ bool is_empty () const;
};
+extern bool debug_skylines;
+
#endif /* SKYLINE_HH */