2 paper-outputter.cc -- implement Paper_outputter
4 source file of the GNU LilyPond music typesetter
6 (c) 1997--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
7 Jan Nieuwenhuizen <janneke@gnu.org>
13 #include "dimensions.hh"
14 #include "virtual-methods.hh"
15 #include "paper-outputter.hh"
18 #include "string-convert.hh"
20 #include "font-metric.hh"
22 #include "scm-hash.hh"
23 #include "lily-version.hh"
24 #include "paper-def.hh"
25 #include "input-file-results.hh"
26 #include "ly-module.hh"
27 #include "paper-book.hh"
28 #include "input-smob.hh" // output_expr
31 Paper_outputter::Paper_outputter (String name)
34 scm_define (ly_symbol2scm ("safe-mode?"), SCM_BOOL_T);
36 file_ = scm_open_file (scm_makfrom0str (name.to_str0 ()),
37 scm_makfrom0str ("w"));
39 if (output_format_global == PAGE_LAYOUT)
41 output_func_ = SCM_UNDEFINED;
43 = scm_call_1 (scm_primitive_eval (ly_symbol2scm ("get-output-module")),
44 scm_makfrom0str (output_format_global.to_str0 ()));
47 SCM safe_module = scm_primitive_eval (ly_symbol2scm ("safe-module"));
48 SCM m = scm_set_current_module (safe_module);
49 scm_c_use_module (("output-" + output_format_global).to_str0 ());
50 output_module_ = scm_set_current_module (m);
55 static SCM find_dumper;
57 find_dumper = scm_c_eval_string ("find-dumper");
60 = scm_call_1 (find_dumper,
61 scm_makfrom0str (output_format_global.to_str0 ()));
62 output_module_ = SCM_UNDEFINED;
66 Paper_outputter::~Paper_outputter ()
68 scm_close_port (file_);
73 Paper_outputter::output_scheme (SCM scm)
75 if (output_format_global == PAGE_LAYOUT)
76 scm_display (scm_eval (scm, output_module_), file_);
78 gh_call2 (output_func_, scm, file_);
82 Paper_outputter::output_metadata (Paper_def *paper, SCM scopes)
85 for (int i = dump_header_fieldnames_global.size (); i--; )
87 = gh_cons (ly_symbol2scm (dump_header_fieldnames_global[i].to_str0 ()),
89 output_scheme (scm_list_n (ly_symbol2scm ("output-scopes"),
91 scm_list_n (ly_symbol2scm ("quote"),
92 scopes, SCM_UNDEFINED),
93 scm_list_n (ly_symbol2scm ("quote"),
94 fields, SCM_UNDEFINED),
95 scm_makfrom0str (basename_.to_str0 ()),
100 Paper_outputter::output_header (Paper_def *paper, SCM scopes, int page_count)
102 String creator = gnu_lilypond_version_string ();
103 creator += " (http://lilypond.org)";
105 String time_stamp = ctime (&t);
106 time_stamp = time_stamp.left_string (time_stamp.length () - 1)
108 output_scheme (scm_list_4 (ly_symbol2scm ("header"),
109 scm_makfrom0str (creator.to_str0 ()),
110 scm_makfrom0str (time_stamp.to_str0 ()),
111 scm_int2num (page_count)));
113 output_metadata (paper, scopes);
114 output_music_output_def (paper);
116 output_scheme (scm_list_1 (ly_symbol2scm ("header-end")));
117 output_scheme (scm_list_2 (ly_symbol2scm ("define-fonts"),
118 ly_quote_scm (paper->font_descriptions ())));
122 Paper_outputter::output_line (SCM line, Offset *origin, bool is_last)
124 Offset dim = ly_scm2offset (ly_car (line));
125 if (dim[Y_AXIS] > 50 CM)
127 programming_error ("Improbable system height.");
131 if (output_format_global != PAGE_LAYOUT)
132 output_scheme (scm_list_3 (ly_symbol2scm ("start-system"),
133 gh_double2scm (dim[X_AXIS]),
134 gh_double2scm (dim[Y_AXIS])));
137 output_scheme (scm_list_3 (ly_symbol2scm ("new-start-system"),
138 ly_quote_scm (ly_offset2scm (*origin)),
139 ly_quote_scm (ly_offset2scm (dim))));
140 (*origin)[Y_AXIS] += dim[Y_AXIS];
143 SCM between = SCM_EOL;
144 for (SCM s = ly_cdr (line); gh_pair_p (s); s = ly_cdr (s))
146 Stencil *stil = unsmob_stencil (ly_cdar (s));
147 SCM head = ly_caar (s);
149 if (head == ly_symbol2scm ("between-system-string"))
151 between = stil->get_expr ();
156 output_expr (stil->get_expr (), ly_scm2offset (head));
160 output_scheme (scm_list_1 (ly_symbol2scm ("stop-last-system")));
163 output_scheme (scm_list_1 (ly_symbol2scm ("stop-system")));
164 if (output_format_global != PAGE_LAYOUT && between != SCM_EOL)
165 output_scheme (between);
170 Paper_outputter::output_music_output_def (Music_output_def* odef)
172 output_scheme (scm_list_n (ly_symbol2scm ("output-paper-def"),
173 odef->self_scm (), SCM_UNDEFINED));
176 /* TODO: replaceme/rewriteme, see output-ps.scm: output-stencil */
178 Paper_outputter::output_expr (SCM expr, Offset o)
182 if (!gh_pair_p (expr))
185 SCM head =ly_car (expr);
186 if (unsmob_input (head))
188 Input * ip = unsmob_input (head);
190 output_scheme (scm_list_n (ly_symbol2scm ("define-origin"),
191 scm_makfrom0str (ip->file_string ().to_str0 ()),
192 gh_int2scm (ip->line_number ()),
193 gh_int2scm (ip->column_number ()),
195 expr = ly_cadr (expr);
197 else if (head == ly_symbol2scm ("no-origin"))
199 output_scheme (scm_list_n (head, SCM_UNDEFINED));
200 expr = ly_cadr (expr);
202 else if (head == ly_symbol2scm ("translate-stencil"))
204 o += ly_scm2offset (ly_cadr (expr));
205 expr = ly_caddr (expr);
207 else if (head == ly_symbol2scm ("combine-stencil"))
209 output_expr (ly_cadr (expr), o);
210 expr = ly_caddr (expr);
214 output_scheme (scm_list_n (ly_symbol2scm ("placebox"),
215 gh_double2scm (o[X_AXIS]),
216 gh_double2scm (o[Y_AXIS]),