MagickCore  7.0.7
Convert, Edit, Or Compose Bitmap Images
resample-private.h
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1 /*
2  Copyright 1999-2018 ImageMagick Studio LLC, a non-profit organization
3  dedicated to making software imaging solutions freely available.
4 
5  You may not use this file except in compliance with the License.
6  obtain a copy of the License at
7 
8  https://www.imagemagick.org/script/license.php
9 
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.
15 
16  MagickCore image resampling private methods.
17 */
18 #ifndef MAGICKCORE_RESAMPLE_PRIVATE_H
19 #define MAGICKCORE_RESAMPLE_PRIVATE_H
20 
22 
23 #if defined(__cplusplus) || defined(c_plusplus)
24 extern "C" {
25 #endif
26 
28  ResampleFilter **filter)
29 {
30  register ssize_t
31  i;
32 
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);
38  return(filter);
39 }
40 
42  const Image *image,const VirtualPixelMethod method,
43  const MagickBooleanType interpolate,ExceptionInfo *exception)
44 {
45  register ssize_t
46  i;
47 
49  **filter;
50 
51  size_t
52  number_threads;
53 
54  number_threads=(size_t) GetMagickResourceLimit(ThreadResource);
55  filter=(ResampleFilter **) AcquireQuantumMemory(number_threads,
56  sizeof(*filter));
57  if (filter == (ResampleFilter **) NULL)
58  ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed");
59  (void) ResetMagickMemory(filter,0,number_threads*sizeof(*filter));
60  for (i=0; i < (ssize_t) number_threads; i++)
61  {
62  filter[i]=AcquireResampleFilter(image,exception);
63  if (method != UndefinedVirtualPixelMethod)
64  (void) SetResampleFilterVirtualPixelMethod(filter[i],method);
65  if (interpolate != MagickFalse)
66  SetResampleFilter(filter[i],PointFilter);
67  }
68  return(filter);
69 }
70 
71 #if defined(__cplusplus) || defined(c_plusplus)
72 }
73 #endif
74 
75 #endif
#define ThrowFatalException(severity, tag)
VirtualPixelMethod
Definition: cache-view.h:27
static ResampleFilter ** DestroyResampleFilterThreadSet(ResampleFilter **filter)
MagickExport ResampleFilter * AcquireResampleFilter(const Image *image, ExceptionInfo *exception)
Definition: resample.c:208
Definition: image.h:151
MagickBooleanType
Definition: magick-type.h:156
MagickExport void * ResetMagickMemory(void *memory, int byte, const size_t size)
Definition: memory.c:1164
MagickExport void * AcquireQuantumMemory(const size_t count, const size_t quantum)
Definition: memory.c:529
MagickExport MagickBooleanType SetResampleFilterVirtualPixelMethod(ResampleFilter *resample_filter, const VirtualPixelMethod method)
Definition: resample.c:1443
static ResampleFilter ** AcquireResampleFilterThreadSet(const Image *image, const VirtualPixelMethod method, const MagickBooleanType interpolate, ExceptionInfo *exception)
MagickExport MagickSizeType GetMagickResourceLimit(const ResourceType type)
Definition: resource.c:758
MagickExport ResampleFilter * DestroyResampleFilter(ResampleFilter *resample_filter)
Definition: resample.c:262
MagickExport void SetResampleFilter(ResampleFilter *resample_filter, const FilterType filter)
Definition: resample.c:1241
MagickExport void * RelinquishMagickMemory(void *memory)
Definition: memory.c:1038