grayscale        1025 Magick++/lib/Magick++/Image.h     void grayscale(const PixelIntensityMethod method_);
grayscale        7289 magick/accelerate.c   magick_unreferenced(grayscale);
grayscale        3963 magick/enhance.c   status=NegateImageChannel(image,DefaultChannels,grayscale);
grayscale        4001 magick/enhance.c         if (grayscale != MagickFalse)
grayscale        4020 magick/enhance.c   if (grayscale != MagickFalse)