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cristy3ed852e2009-09-05 21:47:34 +00001/*
cristy1454be72011-12-19 01:52:48 +00002 Copyright 1999-2012 ImageMagick Studio LLC, a non-profit organization
cristy3ed852e2009-09-05 21:47:34 +00003 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 http://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#if defined(__cplusplus) || defined(c_plusplus)
22extern "C" {
23#endif
24
cristy4c08aed2011-07-01 19:47:50 +000025#include <MagickCore/cache-view.h>
cristy3ed852e2009-09-05 21:47:34 +000026
anthony449887b2010-09-10 02:23:33 +000027/*
cristyd76c51e2011-03-26 00:21:26 +000028 WARNING: The order of this table must also match the order of a table
29 located in AcquireResizeFilter() or "resize.c" otherwise the users filter
30 will not match the actual filter that is setup.
anthony449887b2010-09-10 02:23:33 +000031*/
cristy3ed852e2009-09-05 21:47:34 +000032typedef enum
33{
34 UndefinedFilter,
35 PointFilter,
36 BoxFilter,
37 TriangleFilter,
38 HermiteFilter,
39 HanningFilter,
40 HammingFilter,
41 BlackmanFilter,
42 GaussianFilter,
43 QuadraticFilter,
44 CubicFilter,
45 CatromFilter,
46 MitchellFilter,
anthony48f77622010-10-03 14:32:31 +000047 JincFilter,
cristy3ed852e2009-09-05 21:47:34 +000048 SincFilter,
anthony152700d2010-10-28 02:43:18 +000049 SincFastFilter,
cristy3ed852e2009-09-05 21:47:34 +000050 KaiserFilter,
51 WelshFilter,
52 ParzenFilter,
cristy3ed852e2009-09-05 21:47:34 +000053 BohmanFilter,
54 BartlettFilter,
anthony152700d2010-10-28 02:43:18 +000055 LagrangeFilter,
56 LanczosFilter,
anthony06b1edf2010-10-25 01:19:50 +000057 LanczosSharpFilter,
anthony152700d2010-10-28 02:43:18 +000058 Lanczos2Filter,
59 Lanczos2SharpFilter,
anthony853d6972010-10-08 06:01:31 +000060 RobidouxFilter,
anthony45531092012-04-23 00:33:53 +000061 RobidouxSharpFilter,
anthony5d4a1702012-05-08 01:22:41 +000062 CosineFilter,
cristy3ed852e2009-09-05 21:47:34 +000063 SentinelFilter /* a count of all the filters, not a real filter */
64} FilterTypes;
65
cristy2ab242e2011-03-11 02:45:46 +000066/*
67 Backward compatibility for the more correctly named Jinc Filter. Original
68 source of this filter is from "zoom" but it refers to a reference by Pratt,
69 who does not actualy name the filter.
anthony48f77622010-10-03 14:32:31 +000070*/
71#define BesselFilter JincFilter
72
cristy3ed852e2009-09-05 21:47:34 +000073typedef struct _ResampleFilter
74 ResampleFilter;
75
76extern MagickExport MagickBooleanType
77 ResamplePixelColor(ResampleFilter *,const double,const double,
cristydb070952012-04-20 14:33:00 +000078 PixelInfo *,ExceptionInfo *),
cristy3ed852e2009-09-05 21:47:34 +000079 SetResampleFilterInterpolateMethod(ResampleFilter *,
cristy5c4e2582011-09-11 19:21:03 +000080 const PixelInterpolateMethod),
cristy3ed852e2009-09-05 21:47:34 +000081 SetResampleFilterVirtualPixelMethod(ResampleFilter *,
82 const VirtualPixelMethod);
83
84extern MagickExport ResampleFilter
85 *AcquireResampleFilter(const Image *,ExceptionInfo *),
86 *DestroyResampleFilter(ResampleFilter *);
87
88extern MagickExport void
89 ScaleResampleFilter(ResampleFilter *,const double,const double,const double,
90 const double),
cristyaa2c16c2012-03-25 22:21:35 +000091 SetResampleFilter(ResampleFilter *,const FilterTypes);
cristy3ed852e2009-09-05 21:47:34 +000092
93#if defined(__cplusplus) || defined(c_plusplus)
94}
95#endif
96
97#endif