forked from vayn/python-fontconfig
-
Notifications
You must be signed in to change notification settings - Fork 0
/
fontconfig.pyx
253 lines (219 loc) · 6.35 KB
/
fontconfig.pyx
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
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
# -*- coding: utf-8
'''
Python-fontconfig
~~~~~~~~~~~~~~~~~
Python binding for Fontconfig library.
.. _Python-fontconfig source code:
http://github.com/Vayn/python-fontconfig
:author: Vayn a.k.a VT <[email protected]>
:contributor: lilydjwg <[email protected]>
:license: GPLv3+, see LICENSE for details.
'''
__version__ = '0.6.0'
__docformat__ = 'restructuredtext'
#------------------------------------------------
# Imports
#------------------------------------------------
from cpython.version cimport PY_MAJOR_VERSION
from cfontconfig cimport *
include 'fontconfig.pxi'
include 'factory.pxi'
import locale
#------------------------------------------------
# Code
#------------------------------------------------
fromName = fromName
cdef class FcFont:
'''
FcFont is a class of Fontconfig
This class provides all infomation about a font file.
'''
# Fontconfig library version
__version__ = fc_version()
cdef:
FcPattern *_pat
FcBlanks *_blanks
FcCharSet *_cs
bytes file
dict _buf
int count
int _index
def __cinit__(self, file, index=0):
'''
:param file: The absolute path of the font
'''
self.file = file.encode('utf8')
self._index = index
self.init()
cdef init(self):
cdef char *file = self.file
self._blanks = FcConfigGetBlanks(NULL)
self._pat = FcFreeTypeQuery(<FcChar8*>file, self._index, self._blanks, &self.count)
if self._pat == NULL:
raise LookupError('FcFreeTypeQuery failed')
self._buf = {}
def __dealloc__(self):
if self._pat is not NULL:
FcPatternDestroy(self._pat)
self._pat = NULL
def __repr__(self):
family = self.bestname
value = '<%s: %s>' % (
self.__class__.__name__,
family
)
return value
property count:
def __get__(self):
return self.count
property file:
def __get__(self):
return self.file.decode('utf8')
cdef object _getattr(self, bytes name, object type):
cdef:
int ivar
FcBool bvar
FcChar8 *cvar
char *obj
obj = <char*>name
if type == 'str' and self._buf.get(name) is None:
if FcPatternGetString(self._pat, obj, 0, &cvar) == Match:
ret = FcChar8_to_unicode(cvar)
self._buf[name] = ret
elif type == 'int' and self._buf.get(name) is None:
if FcPatternGetInteger(self._pat, obj, 0, &ivar) == Match:
self._buf[name] = ivar
elif type == 'bool' and self._buf.get(name) is None:
if FcPatternGetBool(self._pat, obj, 0, &bvar) == Match:
self._buf[name] = bvar
try:
return self._buf[name]
except KeyError:
# If there isn't one property in the font
self._buf[name] = None
property fontformat:
def __get__(self):
return self._getattr(b'fontformat', 'str')
property foundry:
def __get__(self):
return self._getattr(b'foundry', 'str')
property capability:
def __get__(self):
return self._getattr(b'capability', 'str')
property slant:
def __get__(self):
return self._getattr(b'slant', 'int')
property index:
def __get__(self):
return self._getattr(b'index', 'int')
property weight:
def __get__(self):
return self._getattr(b'weight', 'int')
property width:
def __get__(self):
return self._getattr(b'width', 'int')
property spacing:
def __get__(self):
return self._getattr(b'decorative', 'int')
property scalable:
def __get__(self):
return self._getattr(b'scalable', 'bool')
property outline:
def __get__(self):
return self._getattr(b'outline', 'bool')
property decorative:
def __get__(self):
return self._getattr(b'decorative', 'bool')
cdef object _langen(self, bytes obj):
# Used by family, style and fullname
cdef:
int id
FcChar8 *cvar
ret = self._buf.get(obj)
if ret is None:
id = 0
lang = obj+b'lang'
ret = []
while True:
if FcPatternGetString(self._pat, obj, id, &cvar) == Match:
val = FcChar8_to_unicode(cvar)
FcPatternGetString(self._pat, lang, id, &cvar)
lan = FcChar8_to_unicode(cvar)
ret.append((lan, val))
id += 1
else:
ret = dict(ret)
self._buf[obj] = ret
break
return ret
property family:
def __get__(self):
return self._langen(b'family')
property style:
def __get__(self):
return self._langen(b'style')
property fullname:
def __get__(self):
return self._langen(b'fullname')
property bestname:
def __get__(self):
ret = self._buf.get(b'bestname')
if ret:
return ret
l = locale.getdefaultlocale()[0].lower().replace('_', '-')
try:
family = self.family.get(l, None)
if family is None:
l = l.split('-', 1)[0]
family = [y for x, y in self.family.items() if x.startswith(l)]
if family:
family = family[0]
else:
family = tuple(self.family.values())[0]
ret = family
except IndexError:
ret = self.file
self._buf[b'bestname'] = ret
return ret
def get_languages(self):
'''Print all languages the font supports'''
cdef FcValue var
cdef FcStrSet* langs
ret = []
if FcPatternGet(self._pat, FC_LANG, 0, &var) == Match:
langs = FcLangSetGetLangs(var.u.l)
for i in range(langs.num):
ret.append(FcChar8_to_unicode(langs.strs[i]))
else:
ret = None
return ret
def print_pattern(self):
'''Print all infomation of the font in the wild'''
FcPatternPrint(self._pat)
def has_char(self, unicode ch):
'''
Check whether the font supports the given character
:param ch: The character you want to check
'''
cdef:
int count
bytes byte_ch
FcChar32 ucs4_ch
if len(ch) != 1:
raise ValueError('expected a character, but string of length %d found' % len(ch))
byte_ch = ch.encode('utf8')
if FcPatternGetCharSet(self._pat, FC_CHARSET, 0, &self._cs) != Match:
return False
FcUtf8ToUcs4(<FcChar8*>(<char*>byte_ch), &ucs4_ch, len(byte_ch))
if FcCharSetHasChar(self._cs, ucs4_ch):
return True
else:
return False
def count_chars(self):
'''
Count the amount of characters in font
'''
cdef FcChar32 count = 0
if FcPatternGetCharSet(self._pat, FC_CHARSET, 0, &self._cs) == Match:
count = FcCharSetCount(self._cs)
return count