Return a grayscale version of this image. Returns Luma images in most cases. However, for f32 images, this will return a grayscale Rgb/Rgba image instead.
Luma
f32
Rgb/Rgba
Return a grayscale version of this image. Returns
Lumaimages in most cases. However, forf32images, this will return a grayscaleRgb/Rgbaimage instead.