MaskSize           34 modules/imgproc/perf/perf_distanceTransform.cpp CV_ENUM(MaskSize, DIST_MASK_3, DIST_MASK_5, DIST_MASK_PRECISE)
MaskSize           38 modules/imgproc/perf/perf_distanceTransform.cpp typedef std::tr1::tuple<Size, DistanceType, MaskSize, DstType> SrcSize_DistType_MaskSize_DstType;
MaskSize           47 modules/imgproc/perf/perf_distanceTransform.cpp                 MaskSize::all(),
MaskSize           76 modules/imgproc/perf/perf_distanceTransform.cpp                 MaskSize::all(),