2003-03-07 09:44:32 +01:00
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/*
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* $Id$
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*
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* Copyright <20> 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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2003-03-07 08:12:51 +01:00
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@RET@ FcPattern *
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@FUNC@ FcPatternCreate
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@TYPE1@ void
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@PURPOSE@ Create a pattern
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@DESC@
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Creates a pattern with no properties; used to build patterns from scratch.
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@@
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@RET@ void
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@FUNC@ FcPatternDestroy
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@TYPE1@ FcPattern * @ARG1@ p
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@PURPOSE@ Destroy a pattern
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@DESC@
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Destroys a pattern, in the process destroying all related values.
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@@
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@RET@ FcBool
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@FUNC@ FcPatternEqual
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@TYPE1@ const FcPattern * @ARG1@ pa
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@TYPE2@ const FcPattern * @ARG2@ pb
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@PURPOSE@ Compare patterns
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@DESC@
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Returns whether <parameter>pa</parameter> and <parameter>pb</parameter> are exactly alike.
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@@
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@RET@ FcBool
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@FUNC@ FcPatternEqualSubset
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@TYPE1@ const FcPattern * @ARG1@ pa
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@TYPE2@ const FcPattern * @ARG2@ pb
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@TYPE3@ const FcObjectSet * @ARG3@ os
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@PURPOSE@ Compare portions of patterns
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@DESC@
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Returns whether <parameter>pa</parameter> and <parameter>pb</parameter> have exactly the same values for all of the
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objects in <parameter>os</parameter>.
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@@
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@RET@ FcChar32
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@FUNC@ FcPatternHash
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@TYPE1@ const FcPattern * @ARG1@ p
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@PURPOSE@ Compute a pattern hash value
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@DESC@
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Returns a 32-bit number which is the same for any two patterns which are
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equal.
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@@
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@RET@ FcBool
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@FUNC@ FcPatternAdd
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@TYPE1@ FcPattern * @ARG1@ p
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@TYPE2@ const char * @ARG2@ object
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@TYPE3@ FcValue @ARG3@ value
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@TYPE4@ FcBool @ARG4@ append
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@PURPOSE@ Add a value to a pattern
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@DESC@
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Adds a single value to the list of values associated with the property named
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`object<parameter>. If `append</parameter> is FcTrue, the value is added at the end of any
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existing list, otherwise it is inserted at the begining. `value' is saved
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(with FcValueSave) when inserted into the pattern so that the library
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retains no reference to any application-supplied data structure.
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@@
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@RET@ FcBool
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@FUNC@ FcPatternAddWeak
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@TYPE1@ FcPattern * @ARG1@ p
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@TYPE2@ const char * @ARG2@ object
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@TYPE3@ FcValue @ARG3@ value
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@TYPE4@ FcBool @ARG4@ append
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@PURPOSE@ Add a value to a pattern with weak binding
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@DESC@
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FcPatternAddWeak is essentially the same as FcPatternAdd except that any
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values added to the list have binding <parameter>weak</parameter> instead of <parameter>strong</parameter>.
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@@
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@TITLE@ FcPatternAdd-Type
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@RET@ FcBool
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@FUNC@ FcPatternAddInteger
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@TYPE1@ FcPattern * @ARG1@ p
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@TYPE2@ const char * @ARG2@ object
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@TYPE3@ int @ARG3@ i
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@PROTOTYPE+@
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@RET+@ FcBool
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@FUNC+@ FcPatternAddDouble
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@TYPE1+@ FcPattern * @ARG1+@ p
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@TYPE2+@ const char * @ARG2+@ object
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@TYPE3+@ double @ARG3+@ d
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@PROTOTYPE++@
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@RET++@ FcBool
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@FUNC++@ FcPatternAddString
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@TYPE1++@ FcPattern * @ARG1++@ p
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@TYPE2++@ const char * @ARG2++@ object
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@TYPE3++@ const char * @ARG3++@ s
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@PROTOTYPE+++@
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@RET+++@ FcBool
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@FUNC+++@ FcPatternAddMatrix
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@TYPE1+++@ FcPattern * @ARG1+++@ p
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@TYPE2+++@ const char * @ARG2+++@ object
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@TYPE3+++@ const FcMatrix * @ARG3+++@ m
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@PROTOTYPE++++@
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@RET++++@ FcBool
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@FUNC++++@ FcPatternAddCharSet
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@TYPE1++++@ FcPattern * @ARG1++++@ p
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@TYPE2++++@ const char * @ARG2++++@ object
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@TYPE3++++@ const FcCharSet * @ARG3++++@ c
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@PROTOTYPE+++++@
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@RET+++++@ FcBool
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@FUNC+++++@ FcPatternAddBool
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@TYPE1+++++@ FcPattern * @ARG1+++++@ p
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@TYPE2+++++@ const char * @ARG2+++++@ object
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@TYPE3+++++@ FcBool @ARG3+++++@ b
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@PURPOSE@ Add a typed value to a pattern
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@DESC@
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These are all convenience functions that insert objects of the specified
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type into the pattern. Use these in preference to FcPatternAdd as they
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will provide compile-time typechecking. These all append values to
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any existing list of values.
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@@
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@RET@ FcResult
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@FUNC@ FcPatternGet
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@TYPE1@ FcPattern * @ARG1@ p
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@TYPE2@ const char * @ARG2@ object
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@TYPE3@ int @ARG3@ id
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@TYPE4@ FcValue * @ARG4@ v
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@PURPOSE@ Return a value from a pattern
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@DESC@
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Returns in `v<parameter> the `id</parameter>th value associated with the property `object'.
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The value returned is not a copy, but rather refers to the data stored
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within the pattern directly. Applications must not free this value.
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@@
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@TITLE@ FcPatternGet-Type
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@PROTOTYPE@
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@RET@ FcResult
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@FUNC@ FcPatternGetInteger
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@TYPE1@ FcPattern * @ARG1@ p
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@TYPE2@ const char * @ARG2@ object
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@TYPE3@ int @ARG3@ n
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@TYPE4@ int * @ARG4@ i
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@PROTOTYPE+@
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@RET+@ FcResult
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@FUNC+@ FcPatternGetDouble
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@TYPE1+@ FcPattern * @ARG1+@ p
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@TYPE2+@ const char * @ARG2+@ object
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@TYPE3+@ int @ARG3+@ n
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@TYPE4+@ double * @ARG4+@ d
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@PROTOTYPE++@
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@RET++@ FcResult
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@FUNC++@ FcPatternGetString
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@TYPE1++@ FcPattern * @ARG1++@ p
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@TYPE2++@ const char * @ARG2++@ object
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@TYPE3++@ int @ARG3++@ n
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@TYPE4++@ char **const @ARG4++@ s
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@PROTOTYPE+++@
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@RET+++@ FcResult
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@FUNC+++@ FcPatternGetMatrix
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@TYPE1+++@ FcPattern * @ARG1+++@ p
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@TYPE2+++@ const char * @ARG2+++@ object
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@TYPE3+++@ int @ARG3+++@ n
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@TYPE4+++@ FcMatrix ** @ARG4+++@ s
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@PROTOTYPE++++@
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@RET++++@ FcResult
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@FUNC++++@ FcPatternGetCharSet
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@TYPE1++++@ FcPattern * @ARG1++++@ p
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@TYPE2++++@ const char * @ARG2++++@ object
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@TYPE3++++@ int @ARG3++++@ n
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@TYPE4++++@ FcCharSet ** @ARG4++++@ c
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@PROTOTYPE+++++@
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@RET+++++@ FcResult
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@FUNC+++++@ FcPatternGetBool
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@TYPE1+++++@ FcPattern * @ARG1+++++@ p
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@TYPE2+++++@ const char * @ARG2+++++@ object
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@TYPE3+++++@ int @ARG3+++++@ n
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@TYPE4+++++@ FcBool * @ARG4+++++@ b
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@PURPOSE@ Return a typed value from a pattern
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@DESC@
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These are convenience functions that call FcPatternGet and verify that the
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returned data is of the expected type. They return FcResultTypeMismatch if
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this is not the case. Note that these (like FcPatternGet) do not make a
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copy of any data structure referenced by the return value. Use these
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in preference to FcPatternGet to provide compile-time typechecking.
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@@
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@RET@ FcPattern *
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@FUNC@ FcPatternBuild
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@TYPE1@ FcPattern * @ARG1@ orig
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@TYPE2@ ...
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@PROTOTYPE+@
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@RET+@ FcPattern *
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@FUNC+@ FcPatternVaBuild
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@TYPE1+@ FcPattern * @ARG1+@ orig
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@TYPE2+@ va_list @ARG2+@ va
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@PURPOSE@ Create patterns from arguments
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@DESC@
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Builds a pattern using a list of objects, types and values. Each
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value to be entered in the pattern is specified with three arguments:
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</para>
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<orderedlist>
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<listitem><para>
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Object name, a string describing the property to be added.
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</para></listitem><listitem><para>
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Object type, one of the FcType enumerated values
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</para></listitem><listitem><para>
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Value, not an FcValue, but the raw type as passed to any of the
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FcPatternAdd<type> functions. Must match the type of the second
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argument.
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</para></listitem>
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</orderedlist>
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<para>
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The argument list is terminated by a null object name, no object type nor
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value need be passed for this. The values are added to `pattern', if
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`pattern' is null, a new pattern is created. In either case, the pattern is
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returned. Example
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</para>
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<programlisting>
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pattern = FcPatternBuild (0, FC_FAMILY, FtTypeString, "Times", (char *) 0);
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</programlisting>
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<para>
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FcPatternVaBuild is used when the arguments are already in the form of a
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varargs value.
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@@
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@RET@ FcBool
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@FUNC@ FcPatternDel
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@TYPE1@ FcPattern * @ARG1@ p
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@TYPE2@ const char * @ARG2@ object
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@PURPOSE@ Delete a property from a pattern
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@DESC@
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Deletes all values associated with the property `object', returning
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whether the property existed or not.
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@@
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@RET@ void
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@FUNC@ FcPatternPrint
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@TYPE1@ const FcPattern * @ARG1@ p
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@PURPOSE@ Print a pattern for debugging
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@DESC@
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Prints an easily readable version of the pattern to stdout. There is
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no provision for reparsing data in this format, it's just for diagnostics
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and debugging.
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@@
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@RET@ void
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@FUNC@ FcDefaultSubstitute
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@TYPE1@ FcPattern * @ARG1@ pattern
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@PURPOSE@ Perform default substitutions in a pattern
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@DESC@
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Supplies default values for underspecified font patterns:
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<itemizedlist>
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<listitem><para>
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Patterns without a specified style or weight are set to Medium
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</para></listitem>
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<listitem><para>
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Patterns without a specified style or slant are set to Roman
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</para></listitem>
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<listitem><para>
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Patterns without a specified pixel size are given one computed from any
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specified point size (default 12), dpi (default 75) and scale (default 1).
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</para></listitem>
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</itemizedlist>
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@@
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@RET@ FcPattern *
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@FUNC@ FcNameParse
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@TYPE1@ const char * @ARG1@ name
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@PURPOSE@ Parse a pattern string
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@DESC@
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2003-03-07 09:51:14 +01:00
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Converts <parameter>name</parameter> from the standard text format described above into a pattern.
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2003-03-07 08:12:51 +01:00
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@@
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@RET@ FcChar8 *
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@FUNC@ FcNameUnparse
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@TYPE1@ FcPattern * @ARG1@ pat
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@PURPOSE@ Convert a pattern back into a string that can be parsed
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@DESC@
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Converts the given pattern into the standard text format described above.
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The return value is not static, but instead refers to newly allocated memory
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which should be freed by the caller.
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@@
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