IsGray            520 coders/pnm.c                       is_grayscale &= IsGray(*q);
IsGray            858 coders/pnm.c                           thread_is_grayscale = thread_is_grayscale && IsGray(*q);
IsGray             53 magick/color.h   (((0 == (color).red) || (MaxRGB == (color).red)) && IsGray(color))
IsGray             56 magick/color.h   (((color).red == 0U) && IsGray(color))
IsGray             59 magick/color.h   (((color).red == MaxRGB) && IsGray(color))
IsGray            213 magick/decorate.c   if (!IsGray(image->matte_color))
IsGray           1211 magick/enhance.c           if (!IsGray(pixels[i]))
IsGray            258 magick/fx.c      colorize_image->is_grayscale=(is_grayscale && IsGray(target));
IsGray           1758 magick/fx.c      wave_image->is_grayscale=(image->is_grayscale && IsGray(wave_image->background_color));
IsGray           1924 magick/image.c   image->is_grayscale=IsGray(image->background_color);
IsGray           1088 magick/shear.c   if (is_grayscale && IsGray(image->background_color))
IsGray           1356 magick/shear.c   if (is_grayscale && IsGray(image->background_color))