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.
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. 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