2 p-score.cc -- implement Paper_score
4 source file of the GNU LilyPond music typesetter
6 (c) 1996, 1997--2000 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 gh_set_cdr_x(element_smob_list_,
53 gh_cons (elem_p->self_scm_, gh_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 = gh_cdr (element_smob_list_);
81 gh_display (gh_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 ()
114 progress_indication (_ ("Preprocessing elements...") + " ");
115 line_l_->breakable_col_processing ();
117 line_l_->pre_processing ();
119 progress_indication ("\n" + _ ("Calculating column positions...") + " " );
120 line_l_->space_processing ();
122 Array<Column_x_positions> breaking = calc_breaking ();
123 line_l_->break_into_pieces (breaking);
125 for (SCM s = element_smob_list_; gh_pair_p (s); s = gh_cdr (s))
127 Score_element *sc = unsmob_element (gh_car (s));
128 sc->do_break_processing ();
130 for (SCM s = element_smob_list_; gh_pair_p (s); s = gh_cdr (s))
132 Score_element *sc = unsmob_element (gh_car (s));
133 sc->handle_broken_dependencies ();
136 outputter_l_ = new Paper_outputter ;
137 outputter_l_->output_header ();
139 outputter_l_->output_version();
142 outputter_l_->output_scope (header_global_p, "mudela");
144 outputter_l_->output_scope (header_l_, "mudela");
146 outputter_l_->output_comment (_ ("Outputting Score, defined at: "));
147 outputter_l_->output_comment (origin_str_);
149 if (paper_l_->scope_p_)
150 outputter_l_->output_scope (paper_l_->scope_p_, "mudelapaper");
152 SCM scm = gh_list (ly_symbol2scm ("experimental-on"), SCM_UNDEFINED);
153 outputter_l_->output_scheme (scm);
154 scm = gh_list (ly_symbol2scm ("header-end"), SCM_UNDEFINED);
155 outputter_l_->output_scheme (scm);
159 This is tricky: we have to put the font definitions before the
160 actual output, but we don't know all fonts in advanced: generating
161 the output might trigger loading of a new font. So we store the
162 place to insert the font definitions, generate the output and then
163 insert the definitions
166 SCM before_output = outputter_l_->last_cons_;
170 line_l_->output_lines ();
173 SCM font_names = ly_quote_scm (all_fonts_global_p->font_descriptions ());
174 gh_set_cdr_x (before_output,
175 gh_cons (gh_list (ly_symbol2scm ("define-fonts"),
178 gh_cdr (before_output)));
180 Paper_stream* psp = paper_l_->paper_stream_p ();
181 outputter_l_->dump_onto (psp);
191 Paper_score::broken_col_range (Item const*l, Item const*r) const
193 Link_array<Item> ret;
199 ? find_col_idx (dynamic_cast<Paper_column*> ((Item*)l))+1
203 ? find_col_idx (dynamic_cast<Paper_column*>((Item*)r))
204 : col_l_arr_.size ();
208 Paper_column *c = col_l_arr_[start];
209 if (c->breakable_b () && !c->line_l_)
219 Paper_score::fixup_refpoints ()
221 for (SCM s = element_smob_list_; gh_pair_p (s); s = gh_cdr (s))
224 if (SMOB_IS_TYPE_B(Score_element, e))
226 Score_element * se = unsmob_element (e);
227 se->fixup_refpoint ();