1 /* 2 Copyright 1999-2021 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 image resize private methods. 17 */ 18 #ifndef MAGICKCORE_RESIZE_PRIVATE_H 19 #define MAGICKCORE_RESIZE_PRIVATE_H 20 21 #if defined(__cplusplus) || defined(c_plusplus) 22 extern "C" { 23 #endif 24 25 typedef enum 26 { 27 BoxWeightingFunction = 0, 28 TriangleWeightingFunction, 29 CubicBCWeightingFunction, 30 HannWeightingFunction, 31 HammingWeightingFunction, 32 BlackmanWeightingFunction, 33 GaussianWeightingFunction, 34 QuadraticWeightingFunction, 35 JincWeightingFunction, 36 SincWeightingFunction, 37 SincFastWeightingFunction, 38 KaiserWeightingFunction, 39 WelchWeightingFunction, 40 BohmanWeightingFunction, 41 LagrangeWeightingFunction, 42 CosineWeightingFunction, 43 LastWeightingFunction 44 } ResizeWeightingFunctionType; 45 46 extern MagickPrivate double 47 *GetResizeFilterCoefficient(const ResizeFilter*), 48 GetResizeFilterBlur(const ResizeFilter *), 49 GetResizeFilterScale(const ResizeFilter *), 50 GetResizeFilterWindowSupport(const ResizeFilter *), 51 GetResizeFilterSupport(const ResizeFilter *), 52 GetResizeFilterWeight(const ResizeFilter *,const double); 53 54 extern MagickPrivate ResizeFilter 55 *AcquireResizeFilter(const Image *,const FilterType,const MagickBooleanType, 56 ExceptionInfo *), 57 *DestroyResizeFilter(ResizeFilter *); 58 59 extern MagickPrivate ResizeWeightingFunctionType 60 GetResizeFilterWeightingType(const ResizeFilter *), 61 GetResizeFilterWindowWeightingType(const ResizeFilter *); 62 63 #if defined(__cplusplus) || defined(c_plusplus) 64 } 65 #endif 66 67 #endif 68