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 "book-paper-def.hh"
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 "paper-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)
39 file_ = scm_open_file (scm_makfrom0str (filename.to_str0 ()),
40 scm_makfrom0str ("w"));
42 String module_name = "scm output-" + output_format_global;
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 (Book_paper_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 (Book_paper_def * bookpaper,
85 String creator = gnu_lilypond_version_string ();
86 creator += " (http://lilypond.org)";
88 String time_stamp = ctime (&t);
89 time_stamp = time_stamp.left_string (time_stamp.length () - 1)
91 output_scheme (scm_list_n (ly_symbol2scm ("header"),
92 scm_makfrom0str (creator.to_str0 ()),
93 scm_makfrom0str (time_stamp.to_str0 ()),
94 bookpaper->self_scm (), // FIXME.
95 scm_int2num (page_count),
96 ly_bool2scm (is_classic),
99 output_metadata (bookpaper, scopes);
100 output_scheme (scm_list_2 (ly_symbol2scm ("define-fonts"),
101 bookpaper->self_scm ()));
102 output_scheme (scm_list_1 (ly_symbol2scm ("header-end")));
106 Paper_outputter::output_line (SCM line, Offset *origin, bool is_last)
108 Paper_line *p = unsmob_paper_line (line);
109 Offset dim = p->dim ();
110 if (dim[Y_AXIS] > 50 CM)
112 programming_error (to_string ("Improbable line height: %f",
118 output_scheme (scm_list_3 (ly_symbol2scm ("start-system"),
119 ly_quote_scm (ly_offset2scm (*origin)),
120 ly_quote_scm (ly_offset2scm (dim))));
123 output_stencil (p->to_stencil ());
125 (*origin)[Y_AXIS] += dim[Y_AXIS];
126 output_scheme (scm_list_2 (ly_symbol2scm ("stop-system"),
127 ly_bool2scm (is_last)));
131 Paper_outputter::output_page (Page *p, bool is_last)
133 Stencil page_stencil = p->to_stencil ();
134 output_scheme (scm_list_1 (ly_symbol2scm ("start-page")));
135 output_scheme (scm_list_3 (ly_symbol2scm ("start-system"),
136 ly_quote_scm (ly_offset2scm (Offset (0, 0))),
137 ly_quote_scm (ly_offset2scm (Offset (0, 0)))));
140 output_stencil (page_stencil);
142 output_scheme (scm_list_2 (ly_symbol2scm ("stop-system"), SCM_BOOL_T));
143 output_scheme (scm_list_2 (ly_symbol2scm ("stop-page"),
145 && !unsmob_stencil (p->footer_))));
149 Paper_outputter::output_music_output_def (Music_output_def *odef)
151 output_scheme (scm_list_2 (ly_symbol2scm ("output-paper-def"),
157 paper_outputter_dump (void * po, SCM x)
159 Paper_outputter * me = (Paper_outputter*) po;
160 me->output_scheme (x);
165 Paper_outputter::output_stencil (Stencil stil)
167 interpret_stencil_expression (stil.expr (), paper_outputter_dump,
168 (void*) this, Offset (0,0));