| Value | Meaning |
|---|---|
| CAIRO_SUBPIXEL_ORDER_DEFAULT | Use the default subpixel order for for the target device |
| CAIRO_SUBPIXEL_ORDER_RGB | Subpixel elements are arranged horizontally with red at the left |
| CAIRO_SUBPIXEL_ORDER_BGR | Subpixel elements are arranged horizontally with blue at the left |
| CAIRO_SUBPIXEL_ORDER_VRGB | Subpixel elements are arranged vertically with red at the top |
| CAIRO_SUBPIXEL_ORDER_VBGR | Subpixel elements are arranged vertically with blue at the top |
The subpixel order specifies the order of color elements within each pixel on the display device when rendering with an antialiasing mode of CAIRO_ANTIALIAS_SUBPIXEL.