source file of the GNU LilyPond music typesetter
- (c) 2006--2007 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 "std-vector.hh"
#include "smobs.hh"
+#include <list>
+
struct Building
{
- Interval iv_;
- Drul_array<Real> height_;
-
+ Real end_;
Real y_intercept_;
Real slope_;
- void precompute ();
+ 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_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];
- }
+ bool conceals (Building const &other, Real x) const;
+ Building sloped_neighbour (Real start, Real horizon_padding, Direction d) const;
};
class Skyline
void internal_merge_skyline (list<Building>*, list<Building>*,
list<Building> *const result);
- list<Building> internal_build_skyline (list<Building>*);
+ 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, Real horizon_padding, Axis a, Direction sky);
Skyline (Box const &b, Real horizon_padding, Axis a, Direction sky);
- vector<Offset> to_points () const;
+
+ vector<Offset> to_points (Axis) const;
void merge (Skyline const &);
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);
+ void clear ();
+ bool is_empty () const;
};
-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;
-};
+extern bool debug_skylines;
#endif /* SKYLINE_HH */