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 if (output_format_global == PAGE_LAYOUT)
41 output_func_ = SCM_UNDEFINED;
42 String name = "scm output-" + output_format_global;
45 /* In safe mode, start from a GUILE safe-module and import
46 all symbols from the output module. */
47 scm_c_use_module ("ice-9 safe");
48 SCM msm = scm_primitive_eval (ly_symbol2scm ("make-safe-module"));
49 output_module_ = scm_call_0 (msm);
50 ly_import_module (output_module_,
51 scm_c_resolve_module (name.to_str0 ()));
54 output_module_ = scm_c_resolve_module (name.to_str0 ());
56 /* FIXME: output-lib should be module, that can be imported. */
57 #define IMPORT_LESS 1 // only import the list of IMPORTS
59 scm_c_use_module ("lily");
60 scm_c_use_module ("ice-9 regex");
61 scm_c_use_module ("srfi srfi-13");
63 char const *imports[] = {
64 "lilypond-version", /* from lily */
65 "ly:output-def-scope",
69 "number-pair->string", /* output-lib.scm */
73 "inexact->string", /* insecure guile? */
75 "string-index", /* from srfi srfi-13 */
76 "regexp-substitute/global", /* from (ice9 regex) */
81 for (int i = 0; imports[i]; i++)
83 SCM s = ly_symbol2scm (imports[i]);
84 scm_module_define (output_module_, s, scm_primitive_eval (s));
86 #ifndef IMPORT_LESS // rather crude, esp for safe-mode let's not
87 SCM m = scm_set_current_module (output_module_);
88 /* not present in current module*/
89 scm_c_use_module ("ice-9 regex");
90 scm_c_use_module ("srfi srfi-13");
91 /* Need only a few of these, see above
92 scm_c_use_module ("lily"); */
93 scm_set_current_module (m);
98 static SCM find_dumper;
100 find_dumper = scm_c_eval_string ("find-dumper");
103 = scm_call_1 (find_dumper,
104 scm_makfrom0str (output_format_global.to_str0 ()));
105 output_module_ = SCM_UNDEFINED;
109 Paper_outputter::~Paper_outputter ()
111 scm_close_port (file_);
116 Paper_outputter::output_scheme (SCM scm)
118 if (output_format_global == PAGE_LAYOUT)
119 scm_display (scm_eval (scm, output_module_), file_);
121 gh_call2 (output_func_, scm, file_);
125 Paper_outputter::output_metadata (Paper_def *paper, SCM scopes)
127 SCM fields = SCM_EOL;
128 for (int i = dump_header_fieldnames_global.size (); i--; )
130 = gh_cons (ly_symbol2scm (dump_header_fieldnames_global[i].to_str0 ()),
132 output_scheme (scm_list_n (ly_symbol2scm ("output-scopes"),
134 scm_list_n (ly_symbol2scm ("quote"),
135 scopes, SCM_UNDEFINED),
136 scm_list_n (ly_symbol2scm ("quote"),
137 fields, SCM_UNDEFINED),
138 scm_makfrom0str (basename_.to_str0 ()),
143 Paper_outputter::output_header (Paper_def *paper, SCM scopes, int page_count)
145 String creator = gnu_lilypond_version_string ();
146 creator += " (http://lilypond.org)";
148 String time_stamp = ctime (&t);
149 time_stamp = time_stamp.left_string (time_stamp.length () - 1)
151 output_scheme (scm_list_4 (ly_symbol2scm ("header"),
152 scm_makfrom0str (creator.to_str0 ()),
153 scm_makfrom0str (time_stamp.to_str0 ()),
154 scm_int2num (page_count)));
156 output_metadata (paper, scopes);
157 output_music_output_def (paper);
159 output_scheme (scm_list_1 (ly_symbol2scm ("header-end")));
160 output_scheme (scm_list_2 (ly_symbol2scm ("define-fonts"),
161 ly_quote_scm (paper->font_descriptions ())));
165 Paper_outputter::output_line (SCM line, Offset *origin, bool is_last)
167 Offset dim = ly_scm2offset (ly_car (line));
168 if (dim[Y_AXIS] > 50 CM)
170 programming_error ("Improbable system height.");
174 if (output_format_global != PAGE_LAYOUT)
175 output_scheme (scm_list_3 (ly_symbol2scm ("start-system"),
176 gh_double2scm (dim[X_AXIS]),
177 gh_double2scm (dim[Y_AXIS])));
180 output_scheme (scm_list_3 (ly_symbol2scm ("new-start-system"),
181 ly_quote_scm (ly_offset2scm (*origin)),
182 ly_quote_scm (ly_offset2scm (dim))));
183 (*origin)[Y_AXIS] += dim[Y_AXIS];
186 SCM between = SCM_EOL;
187 for (SCM s = ly_cdr (line); gh_pair_p (s); s = ly_cdr (s))
189 Stencil *stil = unsmob_stencil (ly_cdar (s));
190 SCM head = ly_caar (s);
192 if (head == ly_symbol2scm ("between-system-string"))
194 between = stil->get_expr ();
199 output_expr (stil->get_expr (), ly_scm2offset (head));
203 output_scheme (scm_list_1 (ly_symbol2scm ("stop-last-system")));
206 output_scheme (scm_list_1 (ly_symbol2scm ("stop-system")));
207 if (output_format_global != PAGE_LAYOUT && between != SCM_EOL)
208 output_scheme (between);
213 Paper_outputter::output_music_output_def (Music_output_def* odef)
215 output_scheme (scm_list_n (ly_symbol2scm ("output-paper-def"),
216 odef->self_scm (), SCM_UNDEFINED));
219 /* TODO: replaceme/rewriteme, see output-ps.scm: output-stencil */
221 Paper_outputter::output_expr (SCM expr, Offset o)
225 if (!gh_pair_p (expr))
228 SCM head =ly_car (expr);
229 if (unsmob_input (head))
231 Input * ip = unsmob_input (head);
233 output_scheme (scm_list_n (ly_symbol2scm ("define-origin"),
234 scm_makfrom0str (ip->file_string ().to_str0 ()),
235 gh_int2scm (ip->line_number ()),
236 gh_int2scm (ip->column_number ()),
238 expr = ly_cadr (expr);
240 else if (head == ly_symbol2scm ("no-origin"))
242 output_scheme (scm_list_n (head, SCM_UNDEFINED));
243 expr = ly_cadr (expr);
245 else if (head == ly_symbol2scm ("translate-stencil"))
247 o += ly_scm2offset (ly_cadr (expr));
248 expr = ly_caddr (expr);
250 else if (head == ly_symbol2scm ("combine-stencil"))
252 output_expr (ly_cadr (expr), o);
253 expr = ly_caddr (expr);
257 output_scheme (scm_list_n (ly_symbol2scm ("placebox"),
258 gh_double2scm (o[X_AXIS]),
259 gh_double2scm (o[Y_AXIS]),