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)
38 file_ = scm_open_file (scm_makfrom0str (filename.to_str0 ()),
39 scm_makfrom0str ("w"));
42 UGH. -> global variable.
45 scm_define (ly_symbol2scm ("safe-mode?"), SCM_BOOL_T);
47 String module_name = "scm output-" + output_format_global;
48 output_module_ = scm_c_resolve_module (module_name.to_str0 ());
52 Paper_outputter::~Paper_outputter ()
54 scm_close_port (file_);
59 Paper_outputter::output_scheme (SCM scm)
61 scm_display (scm_eval (scm, output_module_), file_);
65 Paper_outputter::output_metadata (Paper_def *paper, SCM scopes)
68 for (int i = dump_header_fieldnames_global.size (); i--; )
70 = scm_cons (ly_symbol2scm (dump_header_fieldnames_global[i].to_str0 ()),
73 File_name file_name (filename_);
75 String basename = file_name.to_string ();
76 output_scheme (scm_list_n (ly_symbol2scm ("output-scopes"),
78 ly_quote_scm (scopes),
79 ly_quote_scm (fields),
80 scm_makfrom0str (basename.to_str0 ()),
85 Paper_outputter::output_header (Paper_def *paper, SCM scopes, int page_count,
88 String creator = gnu_lilypond_version_string ();
89 creator += " (http://lilypond.org)";
91 String time_stamp = ctime (&t);
92 time_stamp = time_stamp.left_string (time_stamp.length () - 1)
94 output_scheme (scm_list_n (ly_symbol2scm ("header"),
95 scm_makfrom0str (creator.to_str0 ()),
96 scm_makfrom0str (time_stamp.to_str0 ()),
98 scm_int2num (page_count),
99 ly_bool2scm (is_classic),
102 output_metadata (paper, scopes);
103 output_music_output_def (paper);
105 output_scheme (scm_list_1 (ly_symbol2scm ("header-end")));
107 /* TODO: maybe have Scheme extract the fonts directly from \paper ?
109 Alternatively, we could simply load the fonts on demand in the
110 output, and do away with this define-fonts step. */
111 SCM fonts = paper->font_descriptions ();
112 output_scheme (scm_list_3 (ly_symbol2scm ("define-fonts"),
115 ly_quote_scm (ly_list_qsort_uniq_x (fonts))));
119 Paper_outputter::output_line (SCM line, Offset *origin, bool is_last)
121 Paper_line *p = unsmob_paper_line (line);
122 Offset dim = p->dim ();
123 if (dim[Y_AXIS] > 50 CM)
125 programming_error (to_string ("Improbable line height: %f",
130 output_scheme (scm_list_3 (ly_symbol2scm ("start-system"),
131 ly_quote_scm (ly_offset2scm (*origin)),
132 ly_quote_scm (ly_offset2scm (dim))));
134 output_stencil (unsmob_stencil (p->to_stencil ()));
136 (*origin)[Y_AXIS] += dim[Y_AXIS];
137 output_scheme (scm_list_2 (ly_symbol2scm ("stop-system"),
138 ly_bool2scm (is_last)));
142 Paper_outputter::output_page (Page *p, bool is_last)
144 output_scheme (scm_list_1 (ly_symbol2scm ("start-page")));
146 output_scheme (scm_list_3 (ly_symbol2scm ("start-system"),
147 ly_quote_scm (ly_offset2scm (Offset (0, 0))),
148 ly_quote_scm (ly_offset2scm (Offset (0, 0)))));
150 output_stencil (unsmob_stencil (p->to_stencil ()));
152 output_scheme (scm_list_2 (ly_symbol2scm ("stop-system"), SCM_BOOL_T));
153 output_scheme (scm_list_2 (ly_symbol2scm ("stop-page"),
155 && !unsmob_stencil (p->footer_))));
159 Paper_outputter::output_music_output_def (Music_output_def *odef)
161 output_scheme (scm_list_2 (ly_symbol2scm ("output-paper-def"),
166 Paper_outputter::output_stencil (Stencil *stil)
168 output_expr (stil->expr (), stil->origin ());
171 /* TODO: replaceme/rewriteme, see output-ps.scm: output-stencil */
173 Paper_outputter::output_expr (SCM expr, Offset o)
177 if (!ly_c_pair_p (expr))
180 SCM head =ly_car (expr);
181 if (unsmob_input (head))
183 Input *ip = unsmob_input (head);
184 output_scheme (scm_list_4 (ly_symbol2scm ("define-origin"),
185 scm_makfrom0str (ip->file_string ()
187 scm_int2num (ip->line_number ()),
188 scm_int2num (ip->column_number ())));
189 expr = ly_cadr (expr);
191 else if (head == ly_symbol2scm ("no-origin"))
193 output_scheme (scm_list_1 (head));
194 expr = ly_cadr (expr);
196 else if (head == ly_symbol2scm ("translate-stencil"))
198 o += ly_scm2offset (ly_cadr (expr));
199 expr = ly_caddr (expr);
201 else if (head == ly_symbol2scm ("combine-stencil"))
203 output_expr (ly_cadr (expr), o);
204 expr = ly_caddr (expr);
208 output_scheme (scm_list_4 (ly_symbol2scm ("placebox"),
209 scm_make_real (o[X_AXIS]),
210 scm_make_real (o[Y_AXIS]),