1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
|
/*
Copyright (C) 2014-2021 Carl Hetherington <cth@carlh.net>
This file is part of DCP-o-matic.
DCP-o-matic is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
DCP-o-matic is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
*/
#include "dcpomatic_assert.h"
#include "font_config.h"
#include <fontconfig/fontconfig.h>
#include <boost/filesystem.hpp>
#include <boost/optional.hpp>
using std::string;
using boost::optional;
FontConfig* FontConfig::_instance;
FontConfig::FontConfig()
{
_config = FcInitLoadConfigAndFonts();
FcConfigSetCurrent(_config);
}
string
FontConfig::make_font_available(boost::filesystem::path font_file)
{
auto existing = _available_fonts.find(font_file);
if (existing != _available_fonts.end()) {
return existing->second;
}
/* Make this font available to DCP-o-matic */
optional<string> font_name;
FcConfigAppFontAddFile (_config, reinterpret_cast<FcChar8 const *>(font_file.string().c_str()));
auto pattern = FcPatternBuild (
0, FC_FILE, FcTypeString, font_file.string().c_str(), static_cast<char *>(0)
);
auto object_set = FcObjectSetBuild (FC_FAMILY, FC_STYLE, FC_LANG, FC_FILE, static_cast<char *> (0));
auto font_set = FcFontList (_config, pattern, object_set);
if (font_set) {
for (int i = 0; i < font_set->nfont; ++i) {
FcPattern* font = font_set->fonts[i];
FcChar8* file;
FcChar8* family;
FcChar8* style;
if (
FcPatternGetString (font, FC_FILE, 0, &file) == FcResultMatch &&
FcPatternGetString (font, FC_FAMILY, 0, &family) == FcResultMatch &&
FcPatternGetString (font, FC_STYLE, 0, &style) == FcResultMatch
) {
font_name = reinterpret_cast<char const *> (family);
}
}
FcFontSetDestroy (font_set);
}
FcObjectSetDestroy (object_set);
FcPatternDestroy (pattern);
DCPOMATIC_ASSERT(font_name);
_available_fonts[font_file] = *font_name;
FcConfigBuildFonts(_config);
return *font_name;
}
optional<boost::filesystem::path>
FontConfig::system_font_with_name(string name)
{
optional<boost::filesystem::path> path;
auto pattern = FcNameParse(reinterpret_cast<FcChar8 const*>(name.c_str()));
auto object_set = FcObjectSetBuild(FC_FILE, nullptr);
auto font_set = FcFontList(_config, pattern, object_set);
if (font_set) {
for (int i = 0; i < font_set->nfont; ++i) {
auto font = font_set->fonts[i];
FcChar8* file;
if (FcPatternGetString(font, FC_FILE, 0, &file) == FcResultMatch) {
path = boost::filesystem::path(reinterpret_cast<char*>(file));
break;
}
}
FcFontSetDestroy(font_set);
}
FcObjectSetDestroy(object_set);
FcPatternDestroy(pattern);
return path;
}
FontConfig *
FontConfig::instance()
{
if (!_instance) {
_instance = new FontConfig();
}
return _instance;
}
|
