1 /* 2 Copyright 1999-2019 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 distortion methods. 17 */ 18 #ifndef MAGICKCORE_DISTORT_H 19 #define MAGICKCORE_DISTORT_H 20 21 #if defined(__cplusplus) || defined(c_plusplus) 22 extern "C" { 23 #endif 24 25 /* 26 These two enum are linked, with common enumerated values. Both 27 DistortImages() and SparseColor() often share code to determine functional 28 coefficients for common methods. 29 30 Caution should be taken to ensure that only the common methods contain the 31 same enumerated value, while all others remain unique across both 32 enumerations. 33 */ 34 typedef enum 35 { 36 UndefinedDistortion, 37 AffineDistortion, 38 AffineProjectionDistortion, 39 ScaleRotateTranslateDistortion, 40 PerspectiveDistortion, 41 PerspectiveProjectionDistortion, 42 BilinearForwardDistortion, 43 BilinearDistortion = BilinearForwardDistortion, 44 BilinearReverseDistortion, 45 PolynomialDistortion, 46 ArcDistortion, 47 PolarDistortion, 48 DePolarDistortion, 49 Cylinder2PlaneDistortion, 50 Plane2CylinderDistortion, 51 BarrelDistortion, 52 BarrelInverseDistortion, 53 ShepardsDistortion, 54 ResizeDistortion, 55 SentinelDistortion 56 } DistortMethod; 57 58 typedef enum 59 { 60 UndefinedColorInterpolate = UndefinedDistortion, 61 BarycentricColorInterpolate = AffineDistortion, 62 BilinearColorInterpolate = BilinearReverseDistortion, 63 PolynomialColorInterpolate = PolynomialDistortion, 64 ShepardsColorInterpolate = ShepardsDistortion, 65 /* 66 Methods unique to SparseColor(). 67 */ 68 VoronoiColorInterpolate = SentinelDistortion, 69 InverseColorInterpolate, 70 ManhattanColorInterpolate 71 } SparseColorMethod; 72 73 extern MagickExport Image 74 *AffineTransformImage(const Image *,const AffineMatrix *,ExceptionInfo *), 75 *DistortImage(const Image *,const DistortMethod,const size_t, 76 const double *,MagickBooleanType,ExceptionInfo *exception), 77 *DistortResizeImage(const Image *,const size_t,const size_t,ExceptionInfo *), 78 *RotateImage(const Image *,const double,ExceptionInfo *), 79 *SparseColorImage(const Image *,const SparseColorMethod,const size_t, 80 const double *,ExceptionInfo *); 81 82 #if defined(__cplusplus) || defined(c_plusplus) 83 } 84 #endif 85 86 #endif 87