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include/ImageMagick-7/MagickCore/distort.h

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+/*
+  Copyright 1999-2018 ImageMagick Studio LLC, a non-profit organization
+  dedicated to making software imaging solutions freely available.
+  
+  You may not use this file except in compliance with the License.
+  obtain a copy of the License at
+  
+    https://www.imagemagick.org/script/license.php
+  
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+
+  MagickCore image distortion methods.
+*/
+#ifndef MAGICKCORE_DISTORT_H
+#define MAGICKCORE_DISTORT_H
+
+#if defined(__cplusplus) || defined(c_plusplus)
+extern "C" {
+#endif
+
+/*
+  These two enum are linked, with common enumerated values.  Both
+  DistortImages() and SparseColor() often share code to determine functional
+  coefficients for common methods.
+
+  Caution should be taken to ensure that only the common methods contain the
+  same enumerated value, while all others remain unique across both
+  enumerations.
+*/
+typedef enum
+{
+  UndefinedDistortion,
+  AffineDistortion,
+  AffineProjectionDistortion,
+  ScaleRotateTranslateDistortion,
+  PerspectiveDistortion,
+  PerspectiveProjectionDistortion,
+  BilinearForwardDistortion,
+  BilinearDistortion = BilinearForwardDistortion,
+  BilinearReverseDistortion,
+  PolynomialDistortion,
+  ArcDistortion,
+  PolarDistortion,
+  DePolarDistortion,
+  Cylinder2PlaneDistortion,
+  Plane2CylinderDistortion,
+  BarrelDistortion,
+  BarrelInverseDistortion,
+  ShepardsDistortion,
+  ResizeDistortion,
+  SentinelDistortion
+} DistortMethod;
+
+typedef enum
+{
+  UndefinedColorInterpolate = UndefinedDistortion,
+  BarycentricColorInterpolate = AffineDistortion,
+  BilinearColorInterpolate = BilinearReverseDistortion,
+  PolynomialColorInterpolate = PolynomialDistortion,
+  ShepardsColorInterpolate = ShepardsDistortion,
+  /*
+    Methods unique to SparseColor().
+  */
+  VoronoiColorInterpolate = SentinelDistortion,
+  InverseColorInterpolate,
+  ManhattanColorInterpolate
+} SparseColorMethod;
+
+extern MagickExport Image
+  *AffineTransformImage(const Image *,const AffineMatrix *,ExceptionInfo *),
+  *DistortImage(const Image *,const DistortMethod,const size_t,
+    const double *,MagickBooleanType,ExceptionInfo *exception),
+  *DistortResizeImage(const Image *,const size_t,const size_t,ExceptionInfo *),
+  *RotateImage(const Image *,const double,ExceptionInfo *),
+  *SparseColorImage(const Image *,const SparseColorMethod,const size_t,
+    const double *,ExceptionInfo *);
+
+#if defined(__cplusplus) || defined(c_plusplus)
+}
+#endif
+
+#endif