233   if (difference_image != (Image *) NULL) \  in CompareImagesCommand()
234     difference_image=DestroyImageList(difference_image); \  in CompareImagesCommand()
270     *difference_image,  in CompareImagesCommand()  local
320   difference_image=NewImageList();  in CompareImagesCommand()
1172     difference_image=CompareImages(image,reconstruct_image,metric,&distortion,  in CompareImagesCommand()
1176       difference_image=CompareImages(image,reconstruct_image,metric,&distortion,  in CompareImagesCommand()
1188           difference_image=CompareImages(image,reconstruct_image,metric,  in CompareImagesCommand()
1200             difference_image=CompareImages(image,composite_image,metric,  in CompareImagesCommand()
1202             if (difference_image != (Image *) NULL)  in CompareImagesCommand()
1204                 difference_image->page.x=offset.x;  in CompareImagesCommand()
1205                 difference_image->page.y=offset.y;  in CompareImagesCommand()
1225         if (difference_image != (Image *) NULL)  in CompareImagesCommand()
1227             AppendImageToList(&difference_image,similarity_image);  in CompareImagesCommand()
1231   if (difference_image == (Image *) NULL)  in CompareImagesCommand()
1237       if (*difference_image->magick == '\0')  in CompareImagesCommand()
1238         (void) CopyMagickString(difference_image->magick,image->magick,  in CompareImagesCommand()
1276               difference_image->page.x,(double) difference_image->page.y);  in CompareImagesCommand()
1289               difference_image->page.x,(double) difference_image->page.y);  in CompareImagesCommand()
1426               difference_image->page.x,(double) difference_image->page.y);  in CompareImagesCommand()
1428       status&=WriteImages(image_info,difference_image,argv[argc-1],exception);  in CompareImagesCommand()
1434           text=InterpretImageProperties(image_info,difference_image,format,  in CompareImagesCommand()
1442       difference_image=DestroyImageList(difference_image);  in CompareImagesCommand()