2 This file is part of LilyPond, the GNU music typesetter.
4 Copyright (C) 1999--2015 Han-Wen Nienhuys <hanwen@xs4all.nl>
6 LilyPond is free software: you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation, either version 3 of the License, or
9 (at your option) any later version.
11 LilyPond is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
20 #include "all-font-metrics.hh"
22 #include "string-convert.hh"
23 #include "international.hh"
25 #include "open-type-font.hh"
26 #include "pango-font.hh"
27 #include "scm-hash.hh"
30 Index_to_charcode_map const *
31 All_font_metrics::get_index_to_charcode_map (const string &filename,
35 string key = filename + String_convert::int_string (face_index);
36 if (filename_charcode_maps_map_.find (key)
37 == filename_charcode_maps_map_.end ())
38 filename_charcode_maps_map_[key] = make_index_to_charcode_map (face);
40 return &filename_charcode_maps_map_[key];
43 All_font_metrics::All_font_metrics (const string &path)
51 otf_dict_ = unsmob<Scheme_hash_table> (Scheme_hash_table::make_smob ());
54 pango_dict_ = unsmob<Scheme_hash_table> (Scheme_hash_table::make_smob ());
55 PangoFontMap *pfm = pango_ft2_font_map_new ();
57 pango_ft2_fontmap_ = PANGO_FT2_FONT_MAP (pfm);
59 pango_dpi_ = PANGO_RESOLUTION;
60 pango_ft2_font_map_set_resolution (pango_ft2_fontmap_,
61 pango_dpi_, pango_dpi_);
64 search_path_.parse_path (path);
67 All_font_metrics::~All_font_metrics ()
70 g_object_unref (pango_ft2_fontmap_);
75 All_font_metrics::mark_smob () const
79 scm_gc_mark (pango_dict_->self_scm ());
82 return otf_dict_->self_scm ();
89 All_font_metrics::find_pango_font (PangoFontDescription const *description,
93 gchar *pango_fn = pango_font_description_to_filename (description);
94 SCM key = ly_symbol2scm (pango_fn);
97 if (!pango_dict_->try_retrieve (key, &val))
99 debug_output ("[" + string (pango_fn), true); // start on a new line
101 Pango_font *pf = new Pango_font (pango_ft2_fontmap_,
106 val = pf->self_scm ();
107 pango_dict_->set (key, val);
110 debug_output ("]", false);
112 pf->description_ = scm_cons (SCM_BOOL_F,
113 scm_from_double (1.0));
116 return unsmob<Pango_font> (val);
122 All_font_metrics::find_otf (const string &name)
124 SCM sname = ly_symbol2scm (name.c_str ());
126 if (!otf_dict_->try_retrieve (sname, &val))
130 if (file_name.empty ())
131 file_name = search_path_.find (name + ".otf");
132 if (file_name.empty ())
135 debug_output ("[" + file_name, true); // start on a new line
137 val = Open_type_font::make_otf (file_name);
139 debug_output ("]", false);
141 unsmob<Font_metric> (val)->file_name_ = file_name;
142 SCM name_string = ly_string2scm (name);
143 unsmob<Font_metric> (val)->description_ = scm_cons (name_string,
144 scm_from_double (1.0));
145 otf_dict_->set (sname, val);
146 unsmob<Font_metric> (val)->unprotect ();
149 return unsmob<Open_type_font> (val);
153 All_font_metrics::find_font (const string &name)
155 Font_metric *f = find_otf (name);
159 error (_f ("cannot find font: `%s'", name.c_str ()));