pub unsafe extern "C" fn GetImageDynamicThreshold(
arg1: *const Image,
arg2: f64,
arg3: f64,
arg4: *mut PixelInfo,
arg5: *mut ExceptionInfo,
) -> MagickBooleanType
pub unsafe extern "C" fn GetImageDynamicThreshold(
arg1: *const Image,
arg2: f64,
arg3: f64,
arg4: *mut PixelInfo,
arg5: *mut ExceptionInfo,
) -> MagickBooleanType