ThresholdCompositeOp  330 Magick++/lib/Magick++/Include.h   using MagickCore::ThresholdCompositeOp;
ThresholdCompositeOp 2228 magick/composite.c     case ThresholdCompositeOp:
ThresholdCompositeOp 2677 magick/composite.c         case ThresholdCompositeOp:
ThresholdCompositeOp  833 magick/option.c     { "Threshold", ThresholdCompositeOp, DeprecateOptionFlag, MagickTrue },
ThresholdCompositeOp  136 wand/composite.c         case ThresholdCompositeOp:
ThresholdCompositeOp 1527 wand/composite.c             composite_options.compose=ThresholdCompositeOp;