MagickCore
6.8.5
resample-private.h
Go to the documentation of this file.
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/*
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Copyright 1999-2013 ImageMagick Studio LLC, a non-profit organization
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dedicated to making software imaging solutions freely available.
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You may not use this file except in compliance with the License.
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obtain a copy of the License at
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http://www.imagemagick.org/script/license.php
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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MagickCore image resampling private methods.
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*/
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#ifndef _MAGICKCORE_RESAMPLE_PRIVATE_H
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#define _MAGICKCORE_RESAMPLE_PRIVATE_H
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#if defined(__cplusplus) || defined(c_plusplus)
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extern
"C"
{
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#endif
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#include "
magick/thread-private.h
"
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static
inline
ResampleFilter
**
DestroyResampleFilterThreadSet
(
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ResampleFilter
**filter)
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{
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register
ssize_t
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i;
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assert(filter != (
ResampleFilter
**) NULL);
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for
(i=0; i < (ssize_t)
GetMagickResourceLimit
(
ThreadResource
); i++)
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if
(filter[i] != (
ResampleFilter
*) NULL)
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filter[i]=
DestroyResampleFilter
(filter[i]);
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filter=(
ResampleFilter
**)
RelinquishAlignedMemory
(filter);
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return
(filter);
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}
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static
inline
ResampleFilter
**
AcquireResampleFilterThreadSet
(
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const
Image
*image,
const
VirtualPixelMethod
method,
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const
MagickBooleanType
interpolate,
ExceptionInfo
*exception)
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{
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register
ssize_t
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i;
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ResampleFilter
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**filter;
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size_t
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number_threads;
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number_threads=(size_t)
GetMagickResourceLimit
(
ThreadResource
);
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filter=(
ResampleFilter
**)
AcquireAlignedMemory
(number_threads,
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sizeof
(*filter));
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if
(filter == (
ResampleFilter
**) NULL)
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return
((
ResampleFilter
**) NULL);
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(void)
ResetMagickMemory
(filter,0,number_threads*
sizeof
(*filter));
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for
(i=0; i < (ssize_t) number_threads; i++)
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{
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filter[i]=
AcquireResampleFilter
(image,exception);
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if
(filter[i] == (
ResampleFilter
*) NULL)
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return
(
DestroyResampleFilterThreadSet
(filter));
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if
(method !=
UndefinedVirtualPixelMethod
)
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(void)
SetResampleFilterVirtualPixelMethod
(filter[i],method);
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if
(interpolate !=
MagickFalse
)
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SetResampleFilter
(filter[i],
PointFilter
,1.0);
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}
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return
(filter);
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}
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#if defined(__cplusplus) || defined(c_plusplus)
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}
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#endif
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#endif
magick
resample-private.h
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