LSR: Update.
[lilypond/mpolesky.git] / lily / font-config-scheme.cc
blob44405872811c403fd5b4a2cbaefba36265eee97a
1 /*
2 This file is part of LilyPond, the GNU music typesetter.
4 Copyright (C) 2005--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 "lily-guile.hh"
21 #include "international.hh"
22 #include "main.hh"
23 #include "string-convert.hh"
24 #include "warn.hh"
26 #include <fontconfig/fontconfig.h>
28 string
29 display_fontset (FcFontSet *fs)
31 string retval;
33 int j;
34 for (j = 0; j < fs->nfont; j++)
36 FcChar8 *font;
37 FcChar8 *str;
39 font = FcNameUnparse (fs->fonts[j]);
40 if (FcPatternGetString (fs->fonts[j], FC_FILE, 0, &str) == FcResultMatch)
41 retval += String_convert::form_string ("FILE %s\n", str);
42 if (FcPatternGetString (fs->fonts[j], FC_INDEX, 0, &str) == FcResultMatch)
43 retval += String_convert::form_string ("INDEX %s\n", str);
44 if (FcPatternGetString (fs->fonts[j], FC_FAMILY, 0, &str) == FcResultMatch)
45 retval += String_convert::form_string ("family %s\n ", str);
46 if (FcPatternGetString (fs->fonts[j],
47 "designsize", 0, &str) == FcResultMatch)
48 retval += String_convert::form_string ("designsize %s\n ", str);
50 retval += String_convert::form_string ("%s\n", (const char *)font);
51 free (font);
54 return retval;
57 string
58 display_strlist (char const *what, FcStrList *slist)
60 string retval;
61 while (FcChar8 *dir = FcStrListNext (slist))
63 retval += String_convert::form_string ("%s: %s\n", what, dir);
65 return retval;
68 string
69 display_config (FcConfig *fcc)
71 string retval;
72 retval += display_strlist ("Config files", FcConfigGetConfigFiles (fcc));
73 retval += display_strlist ("Config dir", FcConfigGetConfigDirs (fcc));
74 retval += display_strlist ("Font dir", FcConfigGetFontDirs (fcc));
75 return retval;
78 string
79 display_list (FcConfig *fcc)
81 FcPattern *pat = FcPatternCreate ();
83 FcObjectSet *os = 0;
84 if (!os)
85 os = FcObjectSetBuild (FC_FAMILY, FC_STYLE, (char *)0);
87 FcFontSet *fs = FcFontList (fcc, pat, os);
88 FcObjectSetDestroy (os);
89 if (pat)
90 FcPatternDestroy (pat);
92 string retval;
93 if (fs)
95 retval = display_fontset (fs);
96 FcFontSetDestroy (fs);
98 return retval;
102 LY_DEFINE (ly_font_config_get_font_file, "ly:font-config-get-font-file", 1, 0, 0,
103 (SCM name),
104 "Get the file for font @var{name}.")
106 LY_ASSERT_TYPE (scm_is_string, name, 1);
108 FcPattern *pat = FcPatternCreate ();
109 FcValue val;
111 val.type = FcTypeString;
112 val.u.s = (const FcChar8 *)ly_scm2string (name).c_str (); // FC_SLANT_ITALIC;
113 FcPatternAdd (pat, FC_FAMILY, val, FcFalse);
115 FcResult result;
116 SCM scm_result = SCM_BOOL_F;
118 FcConfigSubstitute (NULL, pat, FcMatchFont);
119 FcDefaultSubstitute (pat);
121 pat = FcFontMatch (NULL, pat, &result);
122 FcChar8 *str = 0;
123 if (FcPatternGetString (pat, FC_FILE, 0, &str) == FcResultMatch)
124 scm_result = scm_from_locale_string ((char const *)str);
126 FcPatternDestroy (pat);
128 return scm_result;
131 LY_DEFINE (ly_font_config_display_fonts, "ly:font-config-display-fonts", 0, 0, 0,
133 "Dump a list of all fonts visible to FontConfig.")
135 string str = display_list (NULL);
136 str += display_config (NULL);
138 progress_indication (str);
140 return SCM_UNSPECIFIED;
143 LY_DEFINE (ly_font_config_add_directory, "ly:font-config-add-directory", 1, 0, 0,
144 (SCM dir),
145 "Add directory @var{dir} to FontConfig.")
147 LY_ASSERT_TYPE (scm_is_string, dir, 1);
149 string d = ly_scm2string (dir);
151 if (!FcConfigAppFontAddDir (0, (const FcChar8 *)d.c_str ()))
152 error (_f ("failed adding font directory: %s", d.c_str ()));
153 else if (be_verbose_global)
154 message (_f ("adding font directory: %s", d.c_str ()));
156 return SCM_UNSPECIFIED;
159 LY_DEFINE (ly_font_config_add_font, "ly:font-config-add-font", 1, 0, 0,
160 (SCM font),
161 "Add font @var{font} to FontConfig.")
163 LY_ASSERT_TYPE (scm_is_string, font, 1);
165 string f = ly_scm2string (font);
167 if (!FcConfigAppFontAddFile (0, (const FcChar8 *)f.c_str ()))
168 error (_f ("failed adding font file: %s", f.c_str ()));
169 else if (be_verbose_global)
170 message (_f ("adding font file: %s", f.c_str ()));
172 return SCM_UNSPECIFIED;