(No version information available, might only be in SVN)
Enum class that specifies the type of antialiasing to do when rendering text or shapes.
Use the default antialiasing for the subsystem and target device
Use a bilevel alpha mask
Perform single-color antialiasing (using shades of gray for black text on a white background, for example).
Perform antialiasing by taking advantage of the order of subpixel elements on devices such as LCD panels.