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- /*
- Copyright 1999 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. You may
- obtain a copy of the License at
-
- https://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 compare methods.
- */
- #ifndef MAGICKCORE_COMPARE_H
- #define MAGICKCORE_COMPARE_H
- #include "magick/image.h"
- #if defined(__cplusplus) || defined(c_plusplus)
- extern "C" {
- #endif
- typedef enum
- {
- UndefinedMetric,
- AbsoluteErrorMetric,
- MeanAbsoluteErrorMetric,
- MeanErrorPerPixelMetric,
- MeanSquaredErrorMetric,
- PeakAbsoluteErrorMetric,
- PeakSignalToNoiseRatioMetric,
- RootMeanSquaredErrorMetric,
- NormalizedCrossCorrelationErrorMetric,
- FuzzErrorMetric,
- UndefinedErrorMetric = 0,
- PerceptualHashErrorMetric = 0xff
- } MetricType;
- extern MagickExport double
- *GetImageChannelDistortions(Image *,const Image *,const MetricType,
- ExceptionInfo *);
- extern MagickExport Image
- *CompareImageChannels(Image *,const Image *,const ChannelType,
- const MetricType,double *,ExceptionInfo *),
- *CompareImages(Image *,const Image *,const MetricType,double *,
- ExceptionInfo *),
- *SimilarityImage(Image *,const Image *,RectangleInfo *,double *,
- ExceptionInfo *),
- *SimilarityMetricImage(Image *,const Image *,const MetricType,
- RectangleInfo *,double *,ExceptionInfo *);
- extern MagickExport MagickBooleanType
- GetImageChannelDistortion(Image *,const Image *,const ChannelType,
- const MetricType,double *,ExceptionInfo *),
- GetImageDistortion(Image *,const Image *,const MetricType,double *,
- ExceptionInfo *),
- IsImagesEqual(Image *,const Image *);
- #if defined(__cplusplus) || defined(c_plusplus)
- }
- #endif
- #endif
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