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>
14 #include "dimensions.hh"
15 #include "font-metric.hh"
16 #include "input-smob.hh"
17 #include "lily-guile.hh"
18 #include "lily-version.hh"
19 #include "ly-module.hh"
22 #include "paper-book.hh"
23 #include "paper-def.hh"
24 #include "paper-line.hh"
25 #include "paper-outputter.hh"
26 #include "file-name.hh"
27 #include "scm-hash.hh"
29 #include "string-convert.hh"
33 extern SCM stencil2line (Stencil* stil, bool is_title = false);
35 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 (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 (Paper_def *paper, SCM scopes, int page_count,
82 paper_ = paper; // BROKEN BROKEN BROKEN.
83 String creator = gnu_lilypond_version_string ();
84 creator += " (http://lilypond.org)";
86 String time_stamp = ctime (&t);
87 time_stamp = time_stamp.left_string (time_stamp.length () - 1)
89 output_scheme (scm_list_n (ly_symbol2scm ("header"),
90 scm_makfrom0str (creator.to_str0 ()),
91 scm_makfrom0str (time_stamp.to_str0 ()),
93 scm_int2num (page_count),
94 ly_bool2scm (is_classic),
97 output_metadata (paper, scopes);
98 output_music_output_def (paper);
100 output_scheme (scm_list_1 (ly_symbol2scm ("header-end")));
104 Paper_outputter::output_line (SCM line, Offset *origin, bool is_last)
106 Paper_line *p = unsmob_paper_line (line);
107 Offset dim = p->dim ();
108 if (dim[Y_AXIS] > 50 CM)
110 programming_error (to_string ("Improbable line height: %f",
116 output_scheme (scm_list_3 (ly_symbol2scm ("start-system"),
117 ly_quote_scm (ly_offset2scm (*origin)),
118 ly_quote_scm (ly_offset2scm (dim))));
121 output_stencil (p->to_stencil ());
123 (*origin)[Y_AXIS] += dim[Y_AXIS];
124 output_scheme (scm_list_2 (ly_symbol2scm ("stop-system"),
125 ly_bool2scm (is_last)));
129 Paper_outputter::output_page (Page *p, bool is_last)
131 Stencil page_stencil = p->to_stencil ();
132 output_scheme (scm_list_1 (ly_symbol2scm ("start-page")));
133 output_scheme (scm_list_3 (ly_symbol2scm ("start-system"),
134 ly_quote_scm (ly_offset2scm (Offset (0, 0))),
135 ly_quote_scm (ly_offset2scm (Offset (0, 0)))));
138 output_stencil (page_stencil);
140 output_scheme (scm_list_2 (ly_symbol2scm ("stop-system"), SCM_BOOL_T));
141 output_scheme (scm_list_2 (ly_symbol2scm ("stop-page"),
143 && !unsmob_stencil (p->footer_))));
147 Paper_outputter::output_music_output_def (Music_output_def *odef)
149 output_scheme (scm_list_2 (ly_symbol2scm ("output-paper-def"),
155 paper_outputter_dump (void * po, SCM x)
157 Paper_outputter * me = (Paper_outputter*) po;
158 me->output_scheme (x);
163 Paper_outputter::output_stencil (Stencil stil)
165 SCM fonts = find_expression_fonts (stil.expr ());
167 output_scheme (scm_list_3 (ly_symbol2scm ("define-fonts"),
169 ly_quote_scm (ly_list_qsort_uniq_x (fonts))));
171 interpret_stencil_expression (stil.expr (), paper_outputter_dump,
172 (void*) this, Offset (0,0));