]> git.wh0rd.org - fontconfig.git/blame - doc/fcconfig.fncs
Update documentation for stale FcConfigGetConfig function.
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1/*
2 * $Id$
3 *
46b51147 4 * Copyright © 2003 Keith Packard
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5 *
6 * Permission to use, copy, modify, distribute, and sell this software and its
7 * documentation for any purpose is hereby granted without fee, provided that
8 * the above copyright notice appear in all copies and that both that
9 * copyright notice and this permission notice appear in supporting
10 * documentation, and that the name of Keith Packard not be used in
11 * advertising or publicity pertaining to distribution of the software without
12 * specific, written prior permission. Keith Packard makes no
13 * representations about the suitability of this software for any purpose. It
14 * is provided "as is" without express or implied warranty.
15 *
16 * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
17 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
18 * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
19 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
20 * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
21 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
22 * PERFORMANCE OF THIS SOFTWARE.
23 */
39381776 24@RET@ FcConfig *
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25@FUNC@ FcConfigCreate
26@TYPE1@ void
27@PURPOSE@ Create a configuration
28@DESC@
29Creates an empty configuration.
30@@
31
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32@RET@ void
33@FUNC@ FcConfigDestroy
34@TYPE1@ FcConfig * @ARG1@ config
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35@PURPOSE@ Destroy a configuration
36@DESC@
37Destroys a configuration and any data associated with it. Note that calling
38this function with the return from FcConfigGetCurrent will place the library
39in an indeterminate state.
40@@
41
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42@RET@ FcBool
43@FUNC@ FcConfigSetCurrent
44@TYPE1@ FcConfig * @ARG1@ config
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45@PURPOSE@ Set configuration as default
46@DESC@
2df0c662 47Sets the current default configuration to <parameter>config</parameter>. Implicitly calls
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48FcConfigBuildFonts if necessary, returning FcFalse if that call fails.
49@@
50
39381776 51@RET@ FcConfig *
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52@FUNC@ FcConfigGetCurrent
53@TYPE1@ void
54@PURPOSE@ Return current configuration
55@DESC@
56Returns the current default configuration.
57@@
58
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59@RET@ FcBool
60@FUNC@ FcConfigUptoDate
61@TYPE1@ FcConfig * @ARG1@ config
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62@PURPOSE@ Check timestamps on config files
63@DESC@
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64Checks all of the files related to <parameter>config</parameter> and returns
65whether any of them has been modified since the configuration was created.
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66@@
67
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68@RET@ FcBool
69@FUNC@ FcConfigHome
70@TYPE1@ void
71@PURPOSE@ return the current home directory.
72@DESC@
73Return the current user's home directory, if it is available, and if using it
74is enabled. See also <function>FcConfigEnableHome</function>).
75@@
76
77@RET@ FcBol
78@FUNC@ FcConfigEnableHome
79@TYPE1@ FcBool% @ARG1@ enable
80@PURPOSE@ controls use of the home directory.
81@DESC@
82If <parameter>enable</parameter> is FcTrue, then Fontconfig will use various
83files which are specified relative to the user's home directory (using the ~
84notation in the configuration). When <parameter>enable</parameter> is
85FcFalse, then all use of the home directory in these contexts will be
86disabled. The previous setting of the value is returned.
87@@
88
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89@RET@ FcBool
90@FUNC@ FcConfigBuildFonts
91@TYPE1@ FcConfig * @ARG1@ config
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92@PURPOSE@ Build font database
93@DESC@
94Builds the set of available fonts for the given configuration. Note that
95any changes to the configuration after this call have indeterminate effects.
96Returns FcFalse if this operation runs out of memory.
97@@
98
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99@RET@ FcStrList *
100@FUNC@ FcConfigGetConfigDirs
101@TYPE1@ FcConfig * @ARG1@ config
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102@PURPOSE@ Get config directories
103@DESC@
104Returns the list of font directories specified in the configuration files
2df0c662 105for <parameter>config</parameter>. Does not include any subdirectories.
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106@@
107
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108@RET@ FcStrList *
109@FUNC@ FcConfigGetFontDirs
110@TYPE1@ FcConfig * @ARG1@ config
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111@PURPOSE@ Get font directories
112@DESC@
2df0c662 113Returns the list of font directories in <parameter>config</parameter>. This includes the
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114configured font directories along with any directories below those in the
115filesystem.
116@@
117
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118@RET@ FcStrList *
119@FUNC@ FcConfigGetConfigFiles
120@TYPE1@ FcConfig * @ARG1@ config
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121@PURPOSE@ Get config files
122@DESC@
2df0c662 123Returns the list of known configuration files used to generate <parameter>config</parameter>.
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124Note that this will not include any configuration done with FcConfigParse.
125@@
126
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127@RET@ char *
128@FUNC@ FcConfigGetCache
129@TYPE1@ FcConfig * @ARG1@ config
7c693979 130@PURPOSE@ DEPRECATED used to return per-user cache filename
bfc2dc3a 131@DESC@
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132With fontconfig no longer using per-user cache files, this function now
133simply returns NULL to indicate that no per-user file exists.
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134@@
135
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136@RET@ FcStrList *
137@FUNC@ FcConfigGetCacheDirs
138@TYPE1@ FcConfig * @ARG1@ config
139@PURPOSE@ return the list of directories searched for cache files
140@DESC@
141<function>FcConfigGetCacheDirs</function> returns a string list containing
142all of the directories that fontconfig will search when attempting to load a
143cache file for a font directory.
144@@
145
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146@RET@ FcFontSet *
147@FUNC@ FcConfigGetFonts
bfc2dc3a 148@TYPE1@ FcConfig * @ARG1@ config
61895ed1 149@TYPE2@ FcSetName% @ARG2@ set
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150@PURPOSE@ Get config font set
151@DESC@
39381776 152Returns one of the two sets of fonts from the configuration as specified
2df0c662 153by <parameter>set</parameter>.
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154@@
155
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156@RET@ FcBlanks *
157@FUNC@ FcConfigGetBlanks
158@TYPE1@ FcConfig * @ARG1@ config
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159@PURPOSE@ Get config blanks
160@DESC@
161Returns the FcBlanks object associated with the given configuration, if no
162blanks were present in the configuration, this function will return 0.
163@@
164
39381776 165@RET@ int
61139cf6 166@FUNC@ FcConfigGetRescanInterval
39381776 167@TYPE1@ FcConfig * @ARG1@ config
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168@PURPOSE@ Get config rescan interval
169@DESC@
170Returns the interval between automatic checks of the configuration (in
2df0c662 171seconds) specified in <parameter>config</parameter>. The configuration is checked during
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172a call to FcFontList when this interval has passed since the last check.
173@@
174
39381776 175@RET@ FcBool
61139cf6 176@FUNC@ FcConfigSetRescanInterval
bfc2dc3a 177@TYPE1@ FcConfig * @ARG1@ config
61895ed1 178@TYPE2@ int% @ARG2@ rescanInterval
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179@PURPOSE@ Set config rescan interval
180@DESC@
181Sets the rescan interval; returns FcFalse if an error occurred.
182@@
183
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184@RET@ FcBool
185@FUNC@ FcConfigAppFontAddFile
bfc2dc3a 186@TYPE1@ FcConfig * @ARG1@ config
39381776 187@TYPE2@ const char * @ARG2@ file
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188@PURPOSE@ Add font file to font database
189@DESC@
190Adds an application-specific font to the configuration.
191@@
192
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193@RET@ FcBool
194@FUNC@ FcConfigAppFontAddDir
bfc2dc3a 195@TYPE1@ FcConfig * @ARG1@ config
39381776 196@TYPE2@ const char * @ARG1@ dir
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197@PURPOSE@ Add fonts from directory to font database
198@DESC@
199Scans the specified directory for fonts, adding each one found to the
200application-specific set of fonts.
201@@
202
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203@RET@ void
204@FUNC@ FcConfigAppFontClear
205@TYPE1@ FcConfig * @ARG1@ config
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206@PURPOSE@ Remove all app fonts from font database
207@DESC@
208Clears the set of application-specific fonts.
209@@
210
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211@RET@ FcBool
212@FUNC@ FcConfigSubstituteWithPat
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213@TYPE1@ FcConfig * @ARG1@ config
214@TYPE2@ FcPattern * @ARG2@ p
215@TYPE3@ FcPattern * @ARG3@ p_pat
61895ed1 216@TYPE4@ FcMatchKind% @ARG4@ kind
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217@PURPOSE@ Execute substitutions
218@DESC@
2df0c662 219Performs the sequence of pattern modification operations, if <parameter>kind</parameter> is
39381776 220FcMatchPattern, then those tagged as pattern operations are applied, else
2df0c662 221if <parameter>kind</parameter> is FcMatchFont, those tagged as font operations are applied and
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222p_pat is used for &lt;test&gt; elements with target=pattern.
223@@
224
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225@RET@ FcBool
226@FUNC@ FcConfigSubstitute
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227@TYPE1@ FcConfig * @ARG1@ config
228@TYPE2@ FcPattern * @ARG2@ p
61895ed1 229@TYPE3@ FcMatchKind% @ARG3@ kind
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230@PURPOSE@ Execute substitutions
231@DESC@
232Calls FcConfigSubstituteWithPat setting p_pat to NULL.
233@@
234
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235@RET@ FcPattern *
236@FUNC@ FcFontMatch
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237@TYPE1@ FcConfig * @ARG1@ config
238@TYPE2@ FcPattern * @ARG2@ p
39381776 239@TYPE3@ FcResult * @ARG3@ result
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240@PURPOSE@ Return best font
241@DESC@
2df0c662 242Returns the font in <parameter>config</parameter> most close matching <parameter>p</parameter>. This function
bfc2dc3a 243should be called only after FcConfigSubstitute and FcDefaultSubstitute have
2df0c662 244been called for <parameter>p</parameter>; otherwise the results will not be correct.
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245@@
246
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247@RET@ FcFontSet *
248@FUNC@ FcFontSort
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249@TYPE1@ FcConfig * @ARG1@ config
250@TYPE2@ FcPattern * @ARG2@ p
61895ed1 251@TYPE3@ FcBool% @ARG3@ trim
bfc2dc3a 252@TYPE4@ FcCharSet ** @ARG4@ csp
39381776 253@TYPE5@ FcResult * @ARG5@ result
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254@PURPOSE@ Return list of matching fonts
255@DESC@
2df0c662 256Returns the list of fonts sorted by closeness to <parameter>p</parameter>. If <parameter>trim</parameter> is FcTrue,
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257elements in the list which don't include Unicode coverage not provided by
258earlier elements in the list are elided. The union of Unicode coverage of
2df0c662 259all of the fonts is returned in <parameter>csp</parameter>, if <parameter>csp</parameter> is not NULL. This function
bfc2dc3a 260should be called only after FcConfigSubstitute and FcDefaultSubstitute have
2df0c662 261been called for <parameter>p</parameter>; otherwise the results will not be correct.
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262 </para><para>
263The returned FcFontSet references FcPattern structures which may be shared
264by the return value from multiple FcFontSort calls, applications must not
2df0c662 265modify these patterns. Instead, they should be passed, along with <parameter>p</parameter> to
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266FcFontRenderPrepare which combines them into a complete pattern.
267 </para><para>
268The FcFontSet returned by FcFontSort is destroyed by caling FcFontSetDestroy.
269@@
270
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271@RET@ FcPattern *
272@FUNC@ FcFontRenderPrepare
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273@TYPE1@ FcConfig * @ARG1@ config
274@TYPE2@ FcPattern * @ARG2@ pat
39381776 275@TYPE3@ FcPattern * @ARG3@ font
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276@PURPOSE@ Prepare pattern for loading font file
277@DESC@
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278Creates a new pattern consisting of elements of <parameter>font</parameter> not appearing
279in <parameter>pat</parameter>, elements of <parameter>pat</parameter> not appearing in <parameter>font</parameter> and the best matching
280value from <parameter>pat</parameter> for elements appearing in both. The result is passed to
281FcConfigSubstitute with <parameter>kind</parameter> FcMatchFont and then returned.
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282@@
283
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284@RET@ FcFontSet *
285@FUNC@ FcFontList
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286@TYPE1@ FcConfig * @ARG1@ config
287@TYPE2@ FcPattern * @ARG2@ p
39381776 288@TYPE3@ FcObjectSet * @ARG3@ os
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289@PURPOSE@ List fonts
290@DESC@
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291Selects fonts matching <parameter>p</parameter>, creates patterns from those fonts containing
292only the objects in <parameter>os</parameter> and returns the set of unique such patterns.
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293@@
294
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295@RET@ char *
296@FUNC@ FcConfigFilename
297@TYPE1@ const char * @ARG1@ name
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298@PURPOSE@ Find a config file
299@DESC@
300Given the specified external entity name, return the associated filename.
301This provides applications a way to convert various configuration file
39381776 302references into filename form.
bfc2dc3a 303 </para><para>
2df0c662 304A null or empty <parameter>name</parameter> indicates that the default configuration file should
bfc2dc3a 305be used; which file this references can be overridden with the
2df0c662 306FC_CONFIG_FILE environment variable. Next, if the name starts with <parameter>~</parameter>, it
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307refers to a file in the current users home directory. Otherwise if the name
308doesn't start with '/', it refers to a file in the default configuration
309directory; the built-in default directory can be overridden with the
310FC_CONFIG_DIR environment variable.
311@@
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312
313@RET@ FcBool
314@FUNC@ FcConfigParseAndLoad
315@TYPE1@ FcConfig * @ARG1@ config
316@TYPE2@ const FcChar8 * @ARG2@ file
26437d49 317@TYPE3@ FcBool% @ARG3@ complain
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318@PURPOSE@ load a configuration file
319@DESC@
320Walks the configuration in 'file' and constructs the internal representation
321in 'config'. Any include files referenced from within 'file' will be loaded
322with FcConfigLoad and also parsed. If 'complain' is FcFalse, no warning
323will be displayed if 'file' does not exist.
324@@