2 This file is part of LilyPond, the GNU music typesetter.
4 Copyright (C) 1999--2010 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"
31 Index_to_charcode_map const *
32 All_font_metrics::get_index_to_charcode_map (string filename,
36 string key = filename + String_convert::int_string (face_index);
37 if (filename_charcode_maps_map_.find (key)
38 == filename_charcode_maps_map_.end ())
39 filename_charcode_maps_map_[key] = make_index_to_charcode_map (face);
41 return &filename_charcode_maps_map_[key];
45 All_font_metrics::All_font_metrics (string path)
47 otf_dict_ = new Scheme_hash_table;
50 PangoFontMap *pfm = pango_ft2_font_map_new ();
53 = G_TYPE_CHECK_INSTANCE_CAST (pfm,
54 PANGO_TYPE_FT2_FONT_MAP,
57 pango_ft2_font_map_set_resolution (pango_ft2_fontmap_,
58 pango_dpi_, pango_dpi_);
60 pango_dict_ = new Scheme_hash_table;
63 search_path_.parse_path (path);
66 All_font_metrics::~All_font_metrics ()
68 otf_dict_->unprotect ();
71 pango_dict_->unprotect ();
72 g_object_unref (pango_ft2_fontmap_);
76 All_font_metrics::All_font_metrics (All_font_metrics const &)
83 All_font_metrics::find_pango_font (PangoFontDescription const *description,
87 gchar *pango_fn = pango_font_description_to_filename (description);
88 SCM key = ly_symbol2scm (pango_fn);
91 if (!pango_dict_->try_retrieve (key, &val))
93 if (be_verbose_global)
94 progress_indication ("\n[" + string (pango_fn));
96 Pango_font *pf = new Pango_font (pango_ft2_fontmap_,
101 val = pf->self_scm ();
102 pango_dict_->set (key, val);
105 if (be_verbose_global)
106 progress_indication ("]");
108 pf->description_ = scm_cons (SCM_BOOL_F,
109 scm_from_double (1.0));
112 return dynamic_cast<Pango_font *> (unsmob_metrics (val));
119 All_font_metrics::find_otf (string name)
121 SCM sname = ly_symbol2scm (name.c_str ());
123 if (!otf_dict_->try_retrieve (sname, &val))
127 if (file_name.empty ())
128 file_name = search_path_.find (name + ".otf");
129 if (file_name.empty ())
132 if (be_verbose_global)
133 progress_indication ("\n[" + file_name);
135 val = Open_type_font::make_otf (file_name);
137 if (be_verbose_global)
138 progress_indication ("]");
140 unsmob_metrics (val)->file_name_ = file_name;
141 SCM name_string = ly_string2scm (name);
142 unsmob_metrics (val)->description_ = scm_cons (name_string,
143 scm_from_double (1.0));
144 otf_dict_->set (sname, val);
145 unsmob_metrics (val)->unprotect ();
148 return dynamic_cast<Open_type_font *> (unsmob_metrics (val));
152 All_font_metrics::find_font (string name)
154 Font_metric *f = find_otf (name);
158 error (_f ("cannot find font: `%s'", name.c_str ()));
164 All_font_metrics *all_fonts_global;