2 Copyright 1999-2018 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 https://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 graphic resample methods.
18 #ifndef MAGICKCORE_RESAMPLE_H
19 #define MAGICKCORE_RESAMPLE_H
21 #include "MagickCore/cache-view.h"
23 #if defined(__cplusplus) || defined(c_plusplus)
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.
66 SentinelFilter /* a count of all the filters, not a real filter */
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.
74 also miss-spellings of common filters
76 #define BesselFilter JincFilter
77 #define WelshFilter WelchFilter
78 #define HanningFilter HannFilter
80 typedef struct _ResampleFilter
83 extern MagickExport MagickBooleanType
84 ResamplePixelColor(ResampleFilter *,const double,const double,
85 PixelInfo *,ExceptionInfo *),
86 SetResampleFilterInterpolateMethod(ResampleFilter *,
87 const PixelInterpolateMethod),
88 SetResampleFilterVirtualPixelMethod(ResampleFilter *,
89 const VirtualPixelMethod);
91 extern MagickExport ResampleFilter
92 *AcquireResampleFilter(const Image *,ExceptionInfo *),
93 *DestroyResampleFilter(ResampleFilter *);
95 extern MagickExport void
96 ScaleResampleFilter(ResampleFilter *,const double,const double,const double,
98 SetResampleFilter(ResampleFilter *,const FilterType);
100 #if defined(__cplusplus) || defined(c_plusplus)