293 lines
11 KiB
Plaintext
293 lines
11 KiB
Plaintext
/*
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* $Id$
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*
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* Copyright © 2003 Keith Packard
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*
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* Permission to use, copy, modify, distribute, and sell this software and its
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* documentation for any purpose is hereby granted without fee, provided that
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* the above copyright notice appear in all copies and that both that
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* copyright notice and this permission notice appear in supporting
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* documentation, and that the name of Keith Packard not be used in
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* advertising or publicity pertaining to distribution of the software without
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* specific, written prior permission. Keith Packard makes no
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* representations about the suitability of this software for any purpose. It
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* is provided "as is" without express or implied warranty.
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*
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* KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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* EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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@RET@ FcConfig *
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@FUNC@ FcConfigCreate
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@TYPE1@ void
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@PURPOSE@ Create a configuration
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@DESC@
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Creates an empty configuration.
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@@
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@RET@ void
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@FUNC@ FcConfigDestroy
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@TYPE1@ FcConfig * @ARG1@ config
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@PURPOSE@ Destroy a configuration
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@DESC@
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Destroys a configuration and any data associated with it. Note that calling
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this function with the return from FcConfigGetCurrent will place the library
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in an indeterminate state.
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@@
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@RET@ FcBool
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@FUNC@ FcConfigSetCurrent
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@TYPE1@ FcConfig * @ARG1@ config
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@PURPOSE@ Set configuration as default
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@DESC@
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Sets the current default configuration to <parameter>config</parameter>. Implicitly calls
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FcConfigBuildFonts if necessary, returning FcFalse if that call fails.
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@@
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@RET@ FcConfig *
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@FUNC@ FcConfigGetCurrent
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@TYPE1@ void
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@PURPOSE@ Return current configuration
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@DESC@
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Returns the current default configuration.
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@@
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@RET@ FcBool
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@FUNC@ FcConfigUptoDate
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@TYPE1@ FcConfig * @ARG1@ config
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@PURPOSE@ Check timestamps on config files
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@DESC@
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Checks all of the files related to <parameter>config</parameter> and returns whether the
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in-memory version is in sync with the disk version.
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@@
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@RET@ FcBool
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@FUNC@ FcConfigBuildFonts
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@TYPE1@ FcConfig * @ARG1@ config
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@PURPOSE@ Build font database
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@DESC@
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Builds the set of available fonts for the given configuration. Note that
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any changes to the configuration after this call have indeterminate effects.
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Returns FcFalse if this operation runs out of memory.
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@@
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@RET@ FcStrList *
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@FUNC@ FcConfigGetConfigDirs
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@TYPE1@ FcConfig * @ARG1@ config
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@PURPOSE@ Get config directories
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@DESC@
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Returns the list of font directories specified in the configuration files
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for <parameter>config</parameter>. Does not include any subdirectories.
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@@
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@RET@ FcStrList *
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@FUNC@ FcConfigGetFontDirs
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@TYPE1@ FcConfig * @ARG1@ config
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@PURPOSE@ Get font directories
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@DESC@
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Returns the list of font directories in <parameter>config</parameter>. This includes the
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configured font directories along with any directories below those in the
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filesystem.
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@@
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@RET@ FcStrList *
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@FUNC@ FcConfigGetConfigFiles
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@TYPE1@ FcConfig * @ARG1@ config
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@PURPOSE@ Get config files
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@DESC@
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Returns the list of known configuration files used to generate <parameter>config</parameter>.
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Note that this will not include any configuration done with FcConfigParse.
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@@
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@RET@ char *
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@FUNC@ FcConfigGetCache
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@TYPE1@ FcConfig * @ARG1@ config
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@PURPOSE@ Get cache filename
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@DESC@
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Returns the name of the file used to store per-user font information.
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@@
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@RET@ FcFontSet *
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@FUNC@ FcConfigGetFonts
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@TYPE1@ FcConfig * @ARG1@ config
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@TYPE2@ FcSetName% @ARG2@ set
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@PURPOSE@ Get config font set
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@DESC@
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Returns one of the two sets of fonts from the configuration as specified
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by <parameter>set</parameter>.
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@@
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@RET@ FcBlanks *
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@FUNC@ FcConfigGetBlanks
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@TYPE1@ FcConfig * @ARG1@ config
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@PURPOSE@ Get config blanks
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@DESC@
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Returns the FcBlanks object associated with the given configuration, if no
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blanks were present in the configuration, this function will return 0.
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@@
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@RET@ int
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@FUNC@ FcConfigGetRescanInverval
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@TYPE1@ FcConfig * @ARG1@ config
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@PURPOSE@ Get config rescan interval
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@DESC@
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Returns the interval between automatic checks of the configuration (in
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seconds) specified in <parameter>config</parameter>. The configuration is checked during
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a call to FcFontList when this interval has passed since the last check.
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@@
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@RET@ FcBool
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@FUNC@ FcConfigSetRescanInverval
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@TYPE1@ FcConfig * @ARG1@ config
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@TYPE2@ int% @ARG2@ rescanInterval
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@PURPOSE@ Set config rescan interval
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@DESC@
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Sets the rescan interval; returns FcFalse if an error occurred.
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@@
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@RET@ FcBool
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@FUNC@ FcConfigAppFontAddFile
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@TYPE1@ FcConfig * @ARG1@ config
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@TYPE2@ const char * @ARG2@ file
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@PURPOSE@ Add font file to font database
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@DESC@
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Adds an application-specific font to the configuration.
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@@
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@RET@ FcBool
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@FUNC@ FcConfigAppFontAddDir
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@TYPE1@ FcConfig * @ARG1@ config
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@TYPE2@ const char * @ARG1@ dir
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@PURPOSE@ Add fonts from directory to font database
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@DESC@
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Scans the specified directory for fonts, adding each one found to the
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application-specific set of fonts.
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@@
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@RET@ void
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@FUNC@ FcConfigAppFontClear
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@TYPE1@ FcConfig * @ARG1@ config
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@PURPOSE@ Remove all app fonts from font database
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@DESC@
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Clears the set of application-specific fonts.
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@@
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@RET@ FcBool
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@FUNC@ FcConfigSubstituteWithPat
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@TYPE1@ FcConfig * @ARG1@ config
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@TYPE2@ FcPattern * @ARG2@ p
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@TYPE3@ FcPattern * @ARG3@ p_pat
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@TYPE4@ FcMatchKind% @ARG4@ kind
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@PURPOSE@ Execute substitutions
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@DESC@
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Performs the sequence of pattern modification operations, if <parameter>kind</parameter> is
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FcMatchPattern, then those tagged as pattern operations are applied, else
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if <parameter>kind</parameter> is FcMatchFont, those tagged as font operations are applied and
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p_pat is used for <test> elements with target=pattern.
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@@
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@RET@ FcBool
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@FUNC@ FcConfigSubstitute
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@TYPE1@ FcConfig * @ARG1@ config
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@TYPE2@ FcPattern * @ARG2@ p
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@TYPE3@ FcMatchKind% @ARG3@ kind
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@PURPOSE@ Execute substitutions
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@DESC@
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Calls FcConfigSubstituteWithPat setting p_pat to NULL.
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@@
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@RET@ FcPattern *
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@FUNC@ FcFontMatch
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@TYPE1@ FcConfig * @ARG1@ config
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@TYPE2@ FcPattern * @ARG2@ p
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@TYPE3@ FcResult * @ARG3@ result
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@PURPOSE@ Return best font
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@DESC@
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Returns the font in <parameter>config</parameter> most close matching <parameter>p</parameter>. This function
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should be called only after FcConfigSubstitute and FcDefaultSubstitute have
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been called for <parameter>p</parameter>; otherwise the results will not be correct.
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@@
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@RET@ FcFontSet *
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@FUNC@ FcFontSort
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@TYPE1@ FcConfig * @ARG1@ config
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@TYPE2@ FcPattern * @ARG2@ p
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@TYPE3@ FcBool% @ARG3@ trim
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@TYPE4@ FcCharSet ** @ARG4@ csp
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@TYPE5@ FcResult * @ARG5@ result
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@PURPOSE@ Return list of matching fonts
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@DESC@
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Returns the list of fonts sorted by closeness to <parameter>p</parameter>. If <parameter>trim</parameter> is FcTrue,
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elements in the list which don't include Unicode coverage not provided by
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earlier elements in the list are elided. The union of Unicode coverage of
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all of the fonts is returned in <parameter>csp</parameter>, if <parameter>csp</parameter> is not NULL. This function
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should be called only after FcConfigSubstitute and FcDefaultSubstitute have
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been called for <parameter>p</parameter>; otherwise the results will not be correct.
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</para><para>
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The returned FcFontSet references FcPattern structures which may be shared
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by the return value from multiple FcFontSort calls, applications must not
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modify these patterns. Instead, they should be passed, along with <parameter>p</parameter> to
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FcFontRenderPrepare which combines them into a complete pattern.
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</para><para>
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The FcFontSet returned by FcFontSort is destroyed by caling FcFontSetDestroy.
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@@
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@RET@ FcPattern *
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@FUNC@ FcFontRenderPrepare
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@TYPE1@ FcConfig * @ARG1@ config
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@TYPE2@ FcPattern * @ARG2@ pat
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@TYPE3@ FcPattern * @ARG3@ font
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@PURPOSE@ Prepare pattern for loading font file
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@DESC@
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Creates a new pattern consisting of elements of <parameter>font</parameter> not appearing
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in <parameter>pat</parameter>, elements of <parameter>pat</parameter> not appearing in <parameter>font</parameter> and the best matching
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value from <parameter>pat</parameter> for elements appearing in both. The result is passed to
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FcConfigSubstitute with <parameter>kind</parameter> FcMatchFont and then returned.
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@@
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@RET@ FcFontSet *
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@FUNC@ FcFontList
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@TYPE1@ FcConfig * @ARG1@ config
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@TYPE2@ FcPattern * @ARG2@ p
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@TYPE3@ FcObjectSet * @ARG3@ os
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@PURPOSE@ List fonts
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@DESC@
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Selects fonts matching <parameter>p</parameter>, creates patterns from those fonts containing
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only the objects in <parameter>os</parameter> and returns the set of unique such patterns.
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@@
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@RET@ char *
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@FUNC@ FcConfigFilename
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@TYPE1@ const char * @ARG1@ name
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@PURPOSE@ Find a config file
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@DESC@
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Given the specified external entity name, return the associated filename.
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This provides applications a way to convert various configuration file
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references into filename form.
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</para><para>
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A null or empty <parameter>name</parameter> indicates that the default configuration file should
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be used; which file this references can be overridden with the
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FC_CONFIG_FILE environment variable. Next, if the name starts with <parameter>~</parameter>, it
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refers to a file in the current users home directory. Otherwise if the name
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doesn't start with '/', it refers to a file in the default configuration
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directory; the built-in default directory can be overridden with the
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FC_CONFIG_DIR environment variable.
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@@
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@RET@ FcBool
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@FUNC@ FcConfigParseAndLoad
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@TYPE1@ FcConfig * @ARG1@ config
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@TYPE2@ const FcChar8 * @ARG2@ file
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@TYPE3@ FcBool% @ARG3@ complain
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@PURPOSE@ load a configuration file
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@DESC@
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Walks the configuration in 'file' and constructs the internal representation
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in 'config'. Any include files referenced from within 'file' will be loaded
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with FcConfigLoad and also parsed. If 'complain' is FcFalse, no warning
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will be displayed if 'file' does not exist.
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@@
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