/usr/include/ImageMagick/magick/compare.h is in libmagickcore-dev 8:6.7.7.10-6ubuntu3.13.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 | /*
Copyright 1999-2012 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
http://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 compare methods.
*/
#ifndef _MAGICKCORE_COMPARE_H
#define _MAGICKCORE_COMPARE_H
#if defined(__cplusplus) || defined(c_plusplus)
extern "C" {
#endif
#include "magick/image.h"
typedef enum
{
UndefinedMetric,
AbsoluteErrorMetric,
MeanAbsoluteErrorMetric,
MeanErrorPerPixelMetric,
MeanSquaredErrorMetric,
PeakAbsoluteErrorMetric,
PeakSignalToNoiseRatioMetric,
RootMeanSquaredErrorMetric,
NormalizedCrossCorrelationErrorMetric,
FuzzErrorMetric
} 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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