source file of the GNU LilyPond music typesetter
- (c) 2006 Joe Neeman <joeneeman@gmail.com>
+ (c) 2006--2007 Joe Neeman <joeneeman@gmail.com>
*/
#ifndef CONSTRAINED_BREAKING_HH
#define CONSTRAINED_BREAKING_HH
-#include "break-algorithm.hh"
#include "lily-guile.hh"
#include "matrix.hh"
+#include "prob.hh"
struct Line_details {
Real force_;
page_penalty_ = 0;
turn_penalty_ = 0;
}
+
+ Line_details (Prob *pb)
+ {
+ force_ = 0;
+ extent_ = unsmob_stencil (pb->get_property ("stencil")) ->extent (Y_AXIS);
+ padding_ = 0;
+ bottom_padding_ = 0;
+ space_ = 1.0;
+ inverse_hooke_ = 1.0;
+ break_permission_ = ly_symbol2scm ("allow");
+ page_permission_ = pb->get_property ("page-break-permission");
+ turn_permission_ = pb->get_property ("page-turn-permission");
+ break_penalty_ = 0;
+ page_penalty_ = robust_scm2double (pb->get_property ("page-break-penalty"), 0);
+ turn_penalty_ = robust_scm2double (pb->get_property ("page-turn-penalty"), 0);
+ }
};
/*
/*
A dynamic programming solution to breaking scores into lines
*/
-class Constrained_breaking : public Break_algorithm
+class Constrained_breaking
{
public:
- vector<Column_x_positions> solve ();
- Constrained_breaking ();
- Constrained_breaking (vector<vsize> const &start_col_posns);
+ vector<Column_x_positions> solve (vsize start, vsize end, vsize sys_count);
+ vector<Column_x_positions> best_solution (vsize start, vsize end);
+ vector<Line_details> line_details (vsize start, vsize end, vsize sys_count);
- vector<Column_x_positions> get_solution (vsize start, vsize end, vsize sys_count);
- vector<Column_x_positions> get_best_solution (vsize start, vsize end);
- vector<Line_details> get_details (vsize start, vsize end, vsize sys_count);
- int get_max_systems (vsize start, vsize end);
- int get_min_systems (vsize start, vsize end);
+ Constrained_breaking (Paper_score *ps);
+ Constrained_breaking (Paper_score *ps, vector<vsize> const &start_col_posns);
- void resize (vsize systems);
+ int max_system_count (vsize start, vsize end);
+ int min_system_count (vsize start, vsize end);
private:
+ Paper_score *pscore_;
vsize valid_systems_;
vsize systems_;
+ bool ragged_right_;
+ bool ragged_last_;
/* the (i,j)th entry is the configuration for breaking between
columns i and j */
vector<Grob*> all_;
vector<vsize> breaks_;
+ void initialize ();
+ void resize (vsize systems);
+
Column_x_positions space_line (vsize start_col, vsize end_col);
vsize prepare_solution (vsize start, vsize end, vsize sys_count);