source file of the GNU LilyPond music typesetter
- (c) 2006--2008 Joe Neeman <joeneeman@gmail.com>
+ (c) 2006--2009 Joe Neeman <joeneeman@gmail.com>
*/
#ifndef PAGE_BREAKING_HH
Grob *col_;
bool score_ender_;
+ /* if non-zero, this is the (fixed, uncompressed) number of lines between
+ this Break_position and the previous. */
+ int forced_line_count_;
+
Break_position (vsize s=VPOS, vsize brk=VPOS, Grob *g=NULL, bool end=false)
{
system_spec_index_ = s;
score_break_ = brk;
col_ = g;
score_ender_ = end;
+ forced_line_count_ = 0;
}
/*
bool ragged_last () const;
bool is_last () const;
bool ends_score () const;
+ int systems_per_page () const;
+ int max_systems_per_page () const;
+ int min_systems_per_page () const;
Real page_height (int page_number, bool last) const;
- Real page_top_space () const;
vsize system_count () const;
+ Real line_count_penalty (int line_count) const;
+ int line_count_status (int line_count) const;
+ bool too_many_lines (int line_count) const;
+ bool too_few_lines (int line_count) const;
+ Real min_whitespace_at_top_of_page (Line_details const&) const;
+ Real min_whitespace_at_bottom_of_page (Line_details const&) const;
protected:
Paper_book *book_;
vsize current_configuration_count () const;
Line_division current_configuration (vsize configuration_index) const;
Page_spacing_result space_systems_on_n_pages (vsize configuration_index,
- vsize n, vsize first_page_num);
+ vsize n, vsize first_page_num);
Page_spacing_result space_systems_on_n_or_one_more_pages (vsize configuration_index, vsize n,
- vsize first_page_num);
+ vsize first_page_num);
Page_spacing_result space_systems_on_best_pages (vsize configuration_index,
- vsize first_page_num);
+ vsize first_page_num);
+ Page_spacing_result space_systems_with_fixed_number_per_page (vsize configuration_index,
+ vsize first_page_num);
Page_spacing_result pack_systems_on_least_pages (vsize configuration_index,
vsize first_page_num);
vsize min_page_count (vsize configuration_index, vsize first_page_num);
vector<Constrained_breaking> line_breaking_;
bool ragged_;
bool ragged_last_;
- Real page_top_space_;
+ int systems_per_page_;
+ int max_systems_per_page_;
+ int min_systems_per_page_;
vsize system_count_;
vector<Line_division> current_configurations_;
Page_spacing_result finalize_spacing_result (vsize configuration_index, Page_spacing_result);
void create_system_list ();
void find_chunks_and_breaks (Break_predicate);
+ SCM make_page (int page_num, bool last) const;
+ SCM get_page_configuration (SCM systems, int page_num, bool ragged, bool last);
+ SCM draw_page (SCM systems, SCM config, int page_num, bool last);
};
#endif /* PAGE_BREAKING_HH */