1 /* 2 Copyright 1999-2016 ImageMagick Studio LLC, a non-profit organization 3 dedicated to making software imaging solutions freely available. 4 5 You may not use this file except in compliance with the License. 6 obtain a copy of the License at 7 8 http://www.imagemagick.org/script/license.php 9 10 Unless required by applicable law or agreed to in writing, software 11 distributed under the License is distributed on an "AS IS" BASIS, 12 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 See the License for the specific language governing permissions and 14 limitations under the License. 15 16 MagickCore image compare methods. 17 */ 18 #ifndef MAGICKCORE_COMPARE_H 19 #define MAGICKCORE_COMPARE_H 20 21 #include "MagickCore/image.h" 22 23 #if defined(__cplusplus) || defined(c_plusplus) 24 extern "C" { 25 #endif 26 27 typedef enum 28 { 29 UndefinedErrorMetric, 30 AbsoluteErrorMetric, 31 FuzzErrorMetric, 32 MeanAbsoluteErrorMetric, 33 MeanErrorPerPixelErrorMetric, 34 MeanSquaredErrorMetric, 35 NormalizedCrossCorrelationErrorMetric, 36 PeakAbsoluteErrorMetric, 37 PeakSignalToNoiseRatioErrorMetric, 38 PerceptualHashErrorMetric, 39 RootMeanSquaredErrorMetric 40 } MetricType; 41 42 extern MagickExport double 43 *GetImageDistortions(Image *,const Image *,const MetricType,ExceptionInfo *); 44 45 extern MagickExport Image 46 *CompareImages(Image *,const Image *,const MetricType,double *, 47 ExceptionInfo *), 48 *SimilarityImage(const Image *,const Image *,const MetricType,const double, 49 RectangleInfo *,double *,ExceptionInfo *); 50 51 extern MagickExport MagickBooleanType 52 GetImageDistortion(Image *,const Image *,const MetricType,double *, 53 ExceptionInfo *), 54 IsImagesEqual(const Image *,const Image *,ExceptionInfo *), 55 SetImageColorMetric(Image *,const Image *,ExceptionInfo *); 56 57 #if defined(__cplusplus) || defined(c_plusplus) 58 } 59 #endif 60 61 #endif 62