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"
33 #include "ly-smobs.icc"
36 extern SCM stencil2line (Stencil* stil, bool is_title = false);
38 Paper_outputter::Paper_outputter (String filename, String format)
41 output_module_ = SCM_EOL;
45 file_ = scm_open_file (scm_makfrom0str (filename.to_str0 ()),
46 scm_makfrom0str ("w"));
48 String module_name = "scm output-" + format;
49 output_module_ = scm_c_resolve_module (module_name.to_str0 ());
52 Paper_outputter::~Paper_outputter ()
57 Paper_outputter::mark_smob (SCM x)
59 Paper_outputter * p = (Paper_outputter*) SCM_CELL_WORD_1(x);
60 scm_gc_mark (p->output_module_);
65 Paper_outputter::print_smob (SCM x, SCM p, scm_print_state*)
67 scm_puts ("#<Paper_outputter>", p);
74 Paper_outputter::dump_string (SCM scm)
76 return scm_display (scm,file_);
80 Paper_outputter::scheme_to_string (SCM scm)
82 return scm_eval (scm, output_module_);
86 Paper_outputter::output_scheme (SCM scm)
88 dump_string (scheme_to_string (scm));
92 paper_outputter_dump (void * po, SCM x)
94 Paper_outputter * me = (Paper_outputter*) po;
95 me->output_scheme (x);
100 Paper_outputter::output_stencil (Stencil stil)
102 interpret_stencil_expression (stil.expr (), paper_outputter_dump,
103 (void*) this, Offset (0,0));
107 get_paper_outputter (String outname, String f)
109 progress_indication (_f ("paper output to `%s'...",
110 outname == "-" ? String ("<stdout>") : outname));
111 return new Paper_outputter (outname, f);
115 IMPLEMENT_SMOBS(Paper_outputter);
116 IMPLEMENT_DEFAULT_EQUAL_P(Paper_outputter);
118 LY_DEFINE(ly_outputter_dump_stencil, "ly:outputter-dump-stencil",
119 2, 0,0, (SCM outputter, SCM stencil),
120 "Dump stencil @var{expr} onto @var{outputter}."
123 Paper_outputter* po = unsmob_outputter (outputter);
124 Stencil *st = unsmob_stencil (stencil);
126 SCM_ASSERT_TYPE(po, outputter, SCM_ARG1, __FUNCTION__, "Paper_outputter");
127 SCM_ASSERT_TYPE(st, stencil, SCM_ARG1, __FUNCTION__, "Paper_outputter");
129 po->output_stencil (*st);
131 return SCM_UNSPECIFIED;
135 LY_DEFINE(ly_outputter_dump_string, "ly:outputter-dump-string",
136 2, 0, 0, (SCM outputter, SCM str),
137 "Dump @var{str} onto @var{outputter}.")
139 Paper_outputter* po = unsmob_outputter (outputter);
140 SCM_ASSERT_TYPE(po, outputter, SCM_ARG1, __FUNCTION__, "Paper_outputter");
141 SCM_ASSERT_TYPE(ly_c_string_p (str), str, SCM_ARG1, __FUNCTION__, "Paper_outputter");
143 return po->dump_string (str);
144 return SCM_UNSPECIFIED;