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>
15 #include "dimensions.hh"
16 #include "font-metric.hh"
17 #include "input-smob.hh"
18 #include "lily-guile.hh"
19 #include "lily-version.hh"
20 #include "ly-module.hh"
23 #include "paper-book.hh"
24 #include "output-def.hh"
25 #include "paper-line.hh"
26 #include "paper-outputter.hh"
27 #include "file-name.hh"
28 #include "scm-hash.hh"
30 #include "string-convert.hh"
34 extern SCM stencil2line (Stencil* stil, bool is_title = false);
36 Paper_outputter::Paper_outputter (String filename, String format)
39 file_ = scm_open_file (scm_makfrom0str (filename.to_str0 ()),
40 scm_makfrom0str ("w"));
42 String module_name = "scm output-" + format;
43 output_module_ = scm_c_resolve_module (module_name.to_str0 ());
46 Paper_outputter::~Paper_outputter ()
48 scm_close_port (file_);
53 Paper_outputter::output_scheme (SCM scm)
55 scm_display (scm_eval (scm, output_module_), file_);
59 Paper_outputter::output_metadata (Output_def *paper, SCM scopes)
62 for (int i = dump_header_fieldnames_global.size (); i--; )
64 = scm_cons (ly_symbol2scm (dump_header_fieldnames_global[i].to_str0 ()),
67 File_name file_name (filename_);
69 String basename = file_name.to_string ();
70 output_scheme (scm_list_n (ly_symbol2scm ("output-scopes"),
72 ly_quote_scm (scopes),
73 ly_quote_scm (fields),
74 scm_makfrom0str (basename.to_str0 ()),
79 Paper_outputter::output_header (Output_def * bookpaper,
84 String creator = gnu_lilypond_version_string ();
85 creator += " (http://lilypond.org)";
87 String time_stamp = ctime (&t);
88 time_stamp = time_stamp.left_string (time_stamp.length () - 1)
90 output_scheme (scm_list_n (ly_symbol2scm ("header"),
91 scm_makfrom0str (creator.to_str0 ()),
92 scm_makfrom0str (time_stamp.to_str0 ()),
93 bookpaper->self_scm (), // FIXME.
94 scm_int2num (page_count),
95 ly_bool2scm (is_classic),
98 output_metadata (bookpaper, scopes);
99 output_scheme (scm_list_2 (ly_symbol2scm ("define-fonts"),
100 bookpaper->self_scm ()));
101 output_scheme (scm_list_1 (ly_symbol2scm ("header-end")));
105 Paper_outputter::output_line (SCM line, Offset *origin, bool is_last)
107 Paper_line *p = unsmob_paper_line (line);
108 Offset dim = p->dim ();
109 if (dim[Y_AXIS] > 50 CM)
111 programming_error (to_string ("Improbable line height: %f",
117 output_scheme (scm_list_3 (ly_symbol2scm ("start-system"),
118 ly_quote_scm (ly_offset2scm (*origin)),
119 ly_quote_scm (ly_offset2scm (dim))));
122 output_stencil (p->to_stencil ());
124 (*origin)[Y_AXIS] += dim[Y_AXIS];
125 output_scheme (scm_list_2 (ly_symbol2scm ("stop-system"),
126 ly_bool2scm (is_last)));
130 Paper_outputter::output_page (Page *p, bool is_last)
132 Stencil page_stencil = p->to_stencil ();
133 output_scheme (scm_list_1 (ly_symbol2scm ("start-page")));
134 output_scheme (scm_list_3 (ly_symbol2scm ("start-system"),
135 ly_quote_scm (ly_offset2scm (Offset (0, 0))),
136 ly_quote_scm (ly_offset2scm (Offset (0, 0)))));
139 output_stencil (page_stencil);
141 output_scheme (scm_list_2 (ly_symbol2scm ("stop-system"), SCM_BOOL_T));
142 output_scheme (scm_list_2 (ly_symbol2scm ("stop-page"),
144 && !unsmob_stencil (p->footer_))));
148 Paper_outputter::output_music_output_def (Output_def *odef)
150 output_scheme (scm_list_2 (ly_symbol2scm ("output-paper-def"),
156 paper_outputter_dump (void * po, SCM x)
158 Paper_outputter * me = (Paper_outputter*) po;
159 me->output_scheme (x);
164 Paper_outputter::output_stencil (Stencil stil)
166 interpret_stencil_expression (stil.expr (), paper_outputter_dump,
167 (void*) this, Offset (0,0));
171 get_paper_outputter (String outname, String f)
173 progress_indication (_f ("paper output to `%s'...",
174 outname == "-" ? String ("<stdout>") : outname));
175 return new Paper_outputter (outname, f);