MagickCore  7.0.7
Convert, Edit, Or Compose Bitmap Images
resample.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 graphic resample methods.
17 */
18 #ifndef MAGICKCORE_RESAMPLE_H
19 #define MAGICKCORE_RESAMPLE_H
20 
21 #include "MagickCore/cache-view.h"
22 
23 #if defined(__cplusplus) || defined(c_plusplus)
24 extern "C" {
25 #endif
26 
27 /*
28  WARNING: The order of this table must also match the order of a table
29  located in AcquireResizeFilter() in "resize.c" otherwise the users filter
30  will not match the actual filter that is setup.
31 */
32 typedef enum
33 {
66  SentinelFilter /* a count of all the filters, not a real filter */
67 } FilterType;
68 
69 /*
70  Backward compatibility for the more correctly named Jinc Filter. Original
71  source of this filter is from "zoom" but it refers to a reference by Pratt,
72  who does not actualy name the filter.
73 
74  also miss-spellings of common filters
75 */
76 #define BesselFilter JincFilter
77 #define WelshFilter WelchFilter
78 #define HanningFilter HannFilter
79 
80 typedef struct _ResampleFilter
82 
84  ResamplePixelColor(ResampleFilter *,const double,const double,
89  const VirtualPixelMethod);
90 
94 
95 extern MagickExport void
96  ScaleResampleFilter(ResampleFilter *,const double,const double,const double,
97  const double),
98  SetResampleFilter(ResampleFilter *,const FilterType);
99 
100 #if defined(__cplusplus) || defined(c_plusplus)
101 }
102 #endif
103 
104 #endif
FilterType
Definition: resample.h:32
PixelInterpolateMethod
Definition: pixel.h:108
VirtualPixelMethod
Definition: cache-view.h:27
MagickExport MagickBooleanType SetResampleFilterInterpolateMethod(ResampleFilter *, const PixelInterpolateMethod)
Definition: image.h:151
MagickBooleanType
Definition: magick-type.h:156
MagickExport MagickBooleanType SetResampleFilterVirtualPixelMethod(ResampleFilter *, const VirtualPixelMethod)
Definition: resample.c:1443
MagickExport ResampleFilter * DestroyResampleFilter(ResampleFilter *)
Definition: resample.c:262
MagickExport MagickBooleanType ResamplePixelColor(ResampleFilter *, const double, const double, PixelInfo *, ExceptionInfo *)
MagickExport void ScaleResampleFilter(ResampleFilter *, const double, const double, const double, const double)
MagickExport ResampleFilter * AcquireResampleFilter(const Image *, ExceptionInfo *)
#define MagickExport
MagickExport void SetResampleFilter(ResampleFilter *, const FilterType)
Definition: resample.c:1241