MagickCore  7.1.1-43
Convert, Edit, Or Compose Bitmap Images
resample.h
1 /*
2  Copyright @ 1999 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. You may
6  obtain a copy of the License at
7 
8  https://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 {
34  UndefinedFilter,
35  PointFilter,
36  BoxFilter,
37  TriangleFilter,
38  HermiteFilter,
39  HannFilter,
40  HammingFilter,
41  BlackmanFilter,
42  GaussianFilter,
43  QuadraticFilter,
44  CubicFilter,
45  CatromFilter,
46  MitchellFilter,
47  JincFilter,
48  SincFilter,
49  SincFastFilter,
50  KaiserFilter,
51  WelchFilter,
52  ParzenFilter,
53  BohmanFilter,
54  BartlettFilter,
55  LagrangeFilter,
56  LanczosFilter,
57  LanczosSharpFilter,
58  Lanczos2Filter,
59  Lanczos2SharpFilter,
60  RobidouxFilter,
61  RobidouxSharpFilter,
62  CosineFilter,
63  SplineFilter,
64  LanczosRadiusFilter,
65  CubicSplineFilter,
66  MagicKernelSharp2013Filter,
67  MagicKernelSharp2021Filter,
68  SentinelFilter /* a count of all the filters, not a real filter */
69 } FilterType;
70 
71 /*
72  Backward compatibility for the more correctly named Jinc Filter. Original
73  source of this filter is from "zoom" but it refers to a reference by Pratt,
74  who does not actually name the filter.
75 
76  also miss-spellings of common filters
77 */
78 #define BesselFilter JincFilter
79 #define WelshFilter WelchFilter
80 #define HanningFilter HannFilter
81 
82 typedef struct _ResampleFilter
84 
85 extern MagickExport MagickBooleanType
86  ResamplePixelColor(ResampleFilter *,const double,const double,
88  SetResampleFilterInterpolateMethod(ResampleFilter *,
89  const PixelInterpolateMethod),
90  SetResampleFilterVirtualPixelMethod(ResampleFilter *,
91  const VirtualPixelMethod);
92 
93 extern MagickExport ResampleFilter
94  *AcquireResampleFilter(const Image *,ExceptionInfo *),
95  *DestroyResampleFilter(ResampleFilter *);
96 
97 extern MagickExport void
98  ScaleResampleFilter(ResampleFilter *,const double,const double,const double,
99  const double),
100  SetResampleFilter(ResampleFilter *,const FilterType);
101 
102 #if defined(__cplusplus) || defined(c_plusplus)
103 }
104 #endif
105 
106 #endif
_Image
Definition: image.h:131
_PixelInfo
Definition: pixel.h:181
_ExceptionInfo
Definition: exception.h:101
_ResampleFilter
Definition: resample.c:93