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 static SCM find_dumper;
41 find_dumper = scm_c_eval_string ("find-dumper");
44 = scm_call_1 (find_dumper,
45 scm_makfrom0str (output_format_global.to_str0 ()));
47 String creator = gnu_lilypond_version_string ();
48 creator += " (http://lilypond.org)";
50 String time_stamp = ctime (&t);
51 time_stamp = time_stamp.left_string (time_stamp.length () - 1)
53 output_scheme (scm_list_3 (ly_symbol2scm ("header"),
54 scm_makfrom0str (creator.to_str0 ()),
55 scm_makfrom0str (time_stamp.to_str0 ())));
58 Paper_outputter::~Paper_outputter ()
60 scm_close_port (file_);
65 Paper_outputter::output_scheme (SCM scm)
67 gh_call2 (output_func_, scm, file_);
71 Paper_outputter::output_metadata (SCM scopes, Paper_def *paper)
74 for (int i = dump_header_fieldnames_global.size (); i--; )
76 = gh_cons (ly_symbol2scm (dump_header_fieldnames_global[i].to_str0 ()),
78 output_scheme (scm_list_n (ly_symbol2scm ("output-scopes"),
80 scm_list_n (ly_symbol2scm ("quote"),
81 scopes, SCM_UNDEFINED),
82 scm_list_n (ly_symbol2scm ("quote"),
83 fields, SCM_UNDEFINED),
84 scm_makfrom0str (basename_.to_str0 ()),
89 Paper_outputter::output_header (Paper_def *paper)
91 output_music_output_def (paper);
92 output_scheme (scm_list_1 (ly_symbol2scm ("header-end")));
93 output_scheme (scm_list_2 (ly_symbol2scm ("define-fonts"),
94 ly_quote_scm (paper->font_descriptions ())));
98 Paper_outputter::output_line (SCM line, Offset *origin, bool is_last)
100 Offset dim = ly_scm2offset (ly_car (line));
101 if (dim[Y_AXIS] > 50 CM)
103 programming_error ("Improbable system height.");
107 if (output_format_global != PAGE_LAYOUT)
108 output_scheme (scm_list_3 (ly_symbol2scm ("start-system"),
109 gh_double2scm (dim[X_AXIS]),
110 gh_double2scm (dim[Y_AXIS])));
113 output_scheme (scm_list_3 (ly_symbol2scm ("new-start-system"),
114 ly_quote_scm (ly_offset2scm (*origin)),
115 ly_quote_scm (ly_offset2scm (dim))));
116 (*origin)[Y_AXIS] += dim[Y_AXIS];
119 SCM between = SCM_EOL;
120 for (SCM s = ly_cdr (line); gh_pair_p (s); s = ly_cdr (s))
122 Stencil *stil = unsmob_stencil (ly_cdar (s));
123 SCM head = ly_caar (s);
125 if (head == ly_symbol2scm ("between-system-string"))
127 between = stil->get_expr ();
132 output_expr (stil->get_expr (), ly_scm2offset (head));
136 output_scheme (scm_list_1 (ly_symbol2scm ("stop-last-system")));
139 output_scheme (scm_list_1 (ly_symbol2scm ("stop-system")));
140 if (output_format_global != PAGE_LAYOUT && between != SCM_EOL)
141 output_scheme (between);
146 Paper_outputter::output_music_output_def (Music_output_def* odef)
148 output_scheme (scm_list_n (ly_symbol2scm ("output-paper-def"),
149 odef->self_scm (), SCM_UNDEFINED));
152 /* TODO: replaceme/rewriteme, see output-ps.scm: output-stencil */
154 Paper_outputter::output_expr (SCM expr, Offset o)
158 if (!gh_pair_p (expr))
161 SCM head =ly_car (expr);
162 if (unsmob_input (head))
164 Input * ip = unsmob_input (head);
166 output_scheme (scm_list_n (ly_symbol2scm ("define-origin"),
167 scm_makfrom0str (ip->file_string ().to_str0 ()),
168 gh_int2scm (ip->line_number ()),
169 gh_int2scm (ip->column_number ()),
171 expr = ly_cadr (expr);
173 else if (head == ly_symbol2scm ("no-origin"))
175 output_scheme (scm_list_n (head, SCM_UNDEFINED));
176 expr = ly_cadr (expr);
178 else if (head == ly_symbol2scm ("translate-stencil"))
180 o += ly_scm2offset (ly_cadr (expr));
181 expr = ly_caddr (expr);
183 else if (head == ly_symbol2scm ("combine-stencil"))
185 output_expr (ly_cadr (expr), o);
186 expr = ly_caddr (expr);
190 output_scheme (scm_list_n (ly_symbol2scm ("placebox"),
191 gh_double2scm (o[X_AXIS]),
192 gh_double2scm (o[Y_AXIS]),