compare.h

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00001 /*
00002   Copyright 1999-2009 ImageMagick Studio LLC, a non-profit organization
00003   dedicated to making software imaging solutions freely available.
00004   
00005   You may not use this file except in compliance with the License.
00006   obtain a copy of the License at
00007   
00008     http://www.imagemagick.org/script/license.php
00009   
00010   Unless required by applicable law or agreed to in writing, software
00011   distributed under the License is distributed on an "AS IS" BASIS,
00012   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00013   See the License for the specific language governing permissions and
00014   limitations under the License.
00015 
00016   MagickCore image compare methods.
00017 */
00018 #ifndef _MAGICKCORE_COMPARE_H
00019 #define _MAGICKCORE_COMPARE_H
00020 
00021 #if defined(__cplusplus) || defined(c_plusplus)
00022 extern "C" {
00023 #endif
00024 
00025 #include "magick/image.h"
00026 
00027 typedef enum
00028 {
00029   UndefinedMetric,
00030   AbsoluteErrorMetric,
00031   MeanAbsoluteErrorMetric,
00032   MeanErrorPerPixelMetric,
00033   MeanSquaredErrorMetric,
00034   PeakAbsoluteErrorMetric,
00035   PeakSignalToNoiseRatioMetric,
00036   RootMeanSquaredErrorMetric
00037 } MetricType;
00038 
00039 extern MagickExport double
00040   *GetImageChannelDistortions(Image *,const Image *,const MetricType,
00041     ExceptionInfo *);
00042 
00043 extern MagickExport Image
00044   *CompareImageChannels(Image *,const Image *,const ChannelType,
00045     const MetricType,double *,ExceptionInfo *),
00046   *CompareImages(Image *,const Image *,const MetricType,double *,
00047     ExceptionInfo *),
00048   *SimilarityImage(Image *,const Image *,RectangleInfo *,double *,
00049     ExceptionInfo *);
00050 
00051 extern MagickExport MagickBooleanType
00052   GetImageChannelDistortion(Image *,const Image *,const ChannelType,
00053     const MetricType,double *,ExceptionInfo *),
00054   GetImageDistortion(Image *,const Image *,const MetricType,double *,
00055     ExceptionInfo *),
00056   IsImagesEqual(Image *,const Image *);
00057 
00058 #if defined(__cplusplus) || defined(c_plusplus)
00059 }
00060 #endif
00061 
00062 #endif

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