图 16.207. The “Components” submenu
The Desaturate submenu contains operations that turn an image into a Grayscale representation, using different methods.
第 8.30 节 “Color to Gray”
第 8.31 节 “Desaturate”
第 8.25 节 “Mono Mixer”
第 8.33 节 “Sepia”
You can access this command from the image menubar through Colors → Desaturate.