2 p-score.cc -- implement Paper_score
4 source file of the GNU LilyPond music typesetter
6 (c) 1996, 1997--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
13 #include "paper-def.hh"
14 #include "line-of-score.hh"
15 #include "paper-column.hh"
16 #include "paper-score.hh"
17 #include "paper-column.hh"
19 #include "gourlay-breaking.hh"
20 #include "paper-stream.hh"
21 #include "paper-outputter.hh"
22 #include "file-results.hh"
24 #include "all-font-metrics.hh"
26 Paper_score::Paper_score ()
30 Line_of_score * line_p = new Line_of_score;
31 line_p->pscore_l_ = this;
32 element_smob_list_ = scm_protect_object (gh_cons (line_p->self_scm_, SCM_EOL));
36 Paper_score::Paper_score (Paper_score const &s)
42 Paper_score::~Paper_score ()
44 scm_unprotect_object (element_smob_list_);
48 Paper_score::typeset_element (Score_element * elem_p)
50 elem_p->pscore_l_ = this;
52 SCM_CDR(element_smob_list_) = gh_cons (elem_p->self_scm_,
53 SCM_CDR (element_smob_list_));
54 elem_p->set_elt_property ("full-name",
55 gh_str02scm((char*)elem_p->name()));
57 scm_unprotect_object (elem_p->self_scm_);
61 Paper_score::add_column (Paper_column *p)
63 p->set_rank (col_l_arr_.size ());
69 Paper_score::print () const
75 DEBUG_OUT << "Paper_score { ";
76 DEBUG_OUT << "\n elements: ";
78 for (SCM p = SCM_CDR (element_smob_list_);
81 gh_display (SCM_CAR(p));
87 Paper_score::find_col_idx (Paper_column const *c) const
89 Paper_column const *what = c;
91 return col_l_arr_.find_i ((Paper_column*)what);
94 Array<Column_x_positions>
95 Paper_score::calc_breaking ()
97 Break_algorithm *algorithm_p=0;
98 Array<Column_x_positions> sol;
100 algorithm_p = new Gourlay_breaking ;
101 algorithm_p->set_pscore (this);
102 sol = algorithm_p->solve ();
111 Paper_score::process ()
115 *mlog << _ ("Preprocessing elements...") << " " << flush;
116 line_l_->breakable_col_processing ();
117 line_l_->pre_processing ();
119 *mlog << '\n' << _ ("Calculating column positions...") << " " << flush;
120 line_l_->space_processing ();
122 Array<Column_x_positions> breaking = calc_breaking ();
125 outputter_l_ = new Paper_outputter ;
126 outputter_l_->output_header ();
128 outputter_l_->output_version();
131 outputter_l_->output_scope (header_global_p, "mudela");
133 outputter_l_->output_scope (header_l_, "mudela");
135 outputter_l_->output_comment (_ ("Outputting Score, defined at: "));
136 outputter_l_->output_comment (origin_str_);
138 if (paper_l_->scope_p_)
139 outputter_l_->output_scope (paper_l_->scope_p_, "mudelapaper");
141 SCM scm = gh_list (ly_symbol2scm ("experimental-on"), SCM_UNDEFINED);
142 outputter_l_->output_scheme (scm);
143 scm = gh_list (ly_symbol2scm ("header-end"), SCM_UNDEFINED);
144 outputter_l_->output_scheme (scm);
148 This is tricky: we have to put the font definitions before the
149 actual output, but we don't know all fonts in advanced: generating
150 the output might trigger loading of a new font. So we store the
151 place to insert the font definitions, generate the output and then
152 insert the definitions
155 SCM before_output = outputter_l_->last_cons_;
157 Link_array<Line_of_score> lines;
158 for (int i=0; i < breaking.size (); i++)
160 Line_of_score *line_l = line_l_->set_breaking (breaking, i);
162 if (line_l != line_l_)
163 typeset_element (line_l);
168 *mlog << _ ("Line ... ");
169 line_l_->break_processing ();
170 for (int i=0; i < lines.size (); i++)
172 *mlog << '[' << flush;
174 Line_of_score *line_l = lines[i];
176 line_l->post_processing ();
178 line_l->output_all (i + 1 == lines.size ());
179 *mlog << ']' << flush;
182 SCM font_names = ly_quote_scm (all_fonts_global_p->font_descriptions ());
183 gh_set_cdr_x (before_output,
184 gh_cons (gh_list (ly_symbol2scm ("define-fonts"),
187 gh_cdr (before_output)));
189 Paper_stream* psp = paper_l_->paper_stream_p ();
190 outputter_l_->dump_onto (psp);
200 Paper_score::broken_col_range (Item const*l, Item const*r) const
202 Link_array<Item> ret;
208 ? find_col_idx (dynamic_cast<Paper_column*> ((Item*)l))+1
212 ? find_col_idx (dynamic_cast<Paper_column*>((Item*)r))
213 : col_l_arr_.size ();
217 Paper_column *c = col_l_arr_[start];
218 if (c->breakable_b () && !c->line_l_)