2 p-score.cc -- implement Paper_score
4 source file of the GNU LilyPond music typesetter
6 (c) 1996--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...") + " ");
118 Be sure to set breakability on first & last column.
120 col_l_arr_[0]->set_elt_property ("breakable", SCM_BOOL_T);
121 col_l_arr_.top ()->set_elt_property ("breakable", SCM_BOOL_T);
123 for (SCM s = element_smob_list_; gh_pair_p (s); s = gh_cdr (s))
124 unsmob_element (gh_car (s))->do_breakable_col_processing ();
128 for (SCM s = element_smob_list_; gh_pair_p (s); s = gh_cdr (s))
130 Score_element* sc = unsmob_element (gh_car (s));
131 sc->calculate_dependencies (PRECALCED, PRECALCING, &Score_element::before_line_breaking);
134 progress_indication ("\n" + _ ("Calculating column positions...") + " " );
135 for (SCM s = element_smob_list_; gh_pair_p (s); s = gh_cdr (s))
136 unsmob_element (gh_car (s))->do_space_processing ();
138 Array<Column_x_positions> breaking = calc_breaking ();
139 line_l_->break_into_pieces (breaking);
141 for (SCM s = element_smob_list_; gh_pair_p (s); s = gh_cdr (s))
143 unsmob_element (gh_car (s))->do_break_processing ();
145 for (SCM s = element_smob_list_; gh_pair_p (s); s = gh_cdr (s))
147 unsmob_element (gh_car (s))->handle_broken_dependencies ();
150 outputter_l_ = new Paper_outputter ;
151 outputter_l_->output_header ();
152 outputter_l_->output_version();
155 outputter_l_->output_scope (header_global_p, "mudela");
157 outputter_l_->output_scope (header_l_, "mudela");
159 outputter_l_->output_comment (_ ("Outputting Score, defined at: "));
160 outputter_l_->output_comment (origin_str_);
162 if (paper_l_->scope_p_)
163 outputter_l_->output_scope (paper_l_->scope_p_, "mudelapaper");
165 SCM scm = gh_list (ly_symbol2scm ("experimental-on"), SCM_UNDEFINED);
166 outputter_l_->output_scheme (scm);
167 scm = gh_list (ly_symbol2scm ("header-end"), SCM_UNDEFINED);
168 outputter_l_->output_scheme (scm);
172 This is tricky: we have to put the font definitions before the
173 actual output, but we don't know all fonts in advanced: generating
174 the output might trigger loading of a new font. So we store the
175 place to insert the font definitions, generate the output and then
176 insert the definitions
179 SCM before_output = outputter_l_->last_cons_;
183 TODO: change this, so that each element ouputs its molecules into
184 its line, and then output all lines one by one; then we can do
186 foreach element: output
188 line_l_->output_lines ();
191 SCM font_names = ly_quote_scm (all_fonts_global_p->font_descriptions ());
192 gh_set_cdr_x (before_output,
193 gh_cons (gh_list (ly_symbol2scm ("define-fonts"),
196 gh_cdr (before_output)));
198 Paper_stream* psp = paper_l_->paper_stream_p ();
199 outputter_l_->dump_onto (psp);
209 Paper_score::broken_col_range (Item const*l, Item const*r) const
211 Link_array<Item> ret;
217 ? find_col_idx (dynamic_cast<Paper_column*> ((Item*)l))+1
221 ? find_col_idx (dynamic_cast<Paper_column*>((Item*)r))
222 : col_l_arr_.size ();
226 Paper_column *c = col_l_arr_[start];
227 if (c->breakable_b () && !c->line_l_)
237 Paper_score::fixup_refpoints ()
239 for (SCM s = element_smob_list_; gh_pair_p (s); s = gh_cdr (s))
242 if (SMOB_IS_TYPE_B(Score_element, e))
244 Score_element * se = unsmob_element (e);
245 se->fixup_refpoint ();
247 if (!dynamic_cast<Line_of_score*> (se) && !se->parent_l (Y_AXIS))
249 programming_error ("No parent!");