1 /* 2 Copyright 1999-2016 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 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 #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 SentinelFilter /* a count of all the filters, not a real filter */ 66 } FilterType; 67 68 /* 69 Backward compatibility for the more correctly named Jinc Filter. Original 70 source of this filter is from "zoom" but it refers to a reference by Pratt, 71 who does not actualy name the filter. 72 73 also miss-spellings of common filters 74 */ 75 #define BesselFilter JincFilter 76 #define WelshFilter WelchFilter 77 #define HanningFilter HannFilter 78 79 typedef struct _ResampleFilter 80 ResampleFilter; 81 82 extern MagickExport MagickBooleanType 83 ResamplePixelColor(ResampleFilter *,const double,const double, 84 PixelInfo *,ExceptionInfo *), 85 SetResampleFilterInterpolateMethod(ResampleFilter *, 86 const PixelInterpolateMethod), 87 SetResampleFilterVirtualPixelMethod(ResampleFilter *, 88 const VirtualPixelMethod); 89 90 extern MagickExport ResampleFilter 91 *AcquireResampleFilter(const Image *,ExceptionInfo *), 92 *DestroyResampleFilter(ResampleFilter *); 93 94 extern MagickExport void 95 ScaleResampleFilter(ResampleFilter *,const double,const double,const double, 96 const double), 97 SetResampleFilter(ResampleFilter *,const FilterType); 98 99 #if defined(__cplusplus) || defined(c_plusplus) 100 } 101 #endif 102 103 #endif 104