This enumeration describes how the red, green and blue components of physical pixels on an output device are laid out.

(define-g-enum "GdkSubPixelLayout" gdk-sub-pixel-layout
  (:export t
   :type-initializer "gdk_sub_pixel_layout_get_type")
  :unkown
  :none
  :horizontal-rgb
  :horizontal-bgr
  :vertical-rgb
  :vertical-bgr)  

:unkown

The layout is not known.

:none

Not organized in this way.

:horizontal-rgb

The layout is horizontal, the order is RGB.

:horizontal-bgr

The layout is horizontal, the order is BGR.

:vertical-rgb

The layout is vertical, the order is RGB.

:verticla-bgr

The layout is vertical, the order is BGR.

Since 3.22