2 Copyright 1999-2013 ImageMagick Studio LLC, a non-profit organization
3 dedicated to making software imaging solutions freely available.
5 You may not use this file except in compliance with the License.
6 obtain a copy of the License at
8 http://www.imagemagick.org/script/license.php
10 Unless required by applicable law or agreed to in writing, software
11 distributed under the License is distributed on an "AS IS" BASIS,
12 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 See the License for the specific language governing permissions and
14 limitations under the License.
16 MagickCore image resampling private methods.
18 #ifndef _MAGICKCORE_RESAMPLE_PRIVATE_H
19 #define _MAGICKCORE_RESAMPLE_PRIVATE_H
21 #if defined(__cplusplus) || defined(c_plusplus)
25 #include "MagickCore/thread-private.h"
27 static inline ResampleFilter **DestroyResampleFilterThreadSet(
28 ResampleFilter **filter)
33 assert(filter != (ResampleFilter **) NULL);
34 for (i=0; i < (ssize_t) GetMagickResourceLimit(ThreadResource); i++)
35 if (filter[i] != (ResampleFilter *) NULL)
36 filter[i]=DestroyResampleFilter(filter[i]);
37 filter=(ResampleFilter **) RelinquishMagickMemory(filter);
41 static inline ResampleFilter **AcquireResampleFilterThreadSet(
42 const Image *image,const VirtualPixelMethod method,
43 const MagickBooleanType interpolate,ExceptionInfo *exception)
54 number_threads=(size_t) GetMagickResourceLimit(ThreadResource);
55 filter=(ResampleFilter **) AcquireQuantumMemory(number_threads,
57 if (filter == (ResampleFilter **) NULL)
58 return((ResampleFilter **) NULL);
59 (void) ResetMagickMemory(filter,0,number_threads*sizeof(*filter));
60 for (i=0; i < (ssize_t) number_threads; i++)
62 filter[i]=AcquireResampleFilter(image,exception);
63 if (filter[i] == (ResampleFilter *) NULL)
64 return(DestroyResampleFilterThreadSet(filter));
65 if (method != UndefinedVirtualPixelMethod)
66 (void) SetResampleFilterVirtualPixelMethod(filter[i],method);
67 if (interpolate != MagickFalse)
68 SetResampleFilter(filter[i],PointFilter);
73 #if defined(__cplusplus) || defined(c_plusplus)