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include/ImageMagick-7/MagickCore/fourier.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 discrete Fourier transform (DFT) methods.
+*/
+#ifndef MAGICKCORE_FFT_H
+#define MAGICKCORE_FFT_H
+
+#if defined(__cplusplus) || defined(c_plusplus)
+extern "C" {
+#endif
+
+typedef enum
+{
+  UndefinedComplexOperator,
+  AddComplexOperator,
+  ConjugateComplexOperator,
+  DivideComplexOperator,
+  MagnitudePhaseComplexOperator,
+  MultiplyComplexOperator,
+  RealImaginaryComplexOperator,
+  SubtractComplexOperator
+} ComplexOperator;
+
+extern MagickExport Image
+ *ComplexImages(const Image *,const ComplexOperator,ExceptionInfo *),
+ *ForwardFourierTransformImage(const Image *,const MagickBooleanType,
+   ExceptionInfo *),
+ *InverseFourierTransformImage(const Image *,const Image *,
+   const MagickBooleanType,ExceptionInfo *);
+
+#if defined(__cplusplus) || defined(c_plusplus)
+}
+#endif
+
+#endif