... Basic Canvas Architecture . Using the Canvas . ... This chapter describes the GnomeCanvas widget, and the standard canvas items that come with Gnome. ... In antialiased or "AA" mode, the canvas items write RGB pixels to a vector of bytes; after all the items have drawn on the RGB buffer, the canvas copies it to the screen. This RGB buffer mode is called "antialiased" mode because all the standard canvas items draw to the RGB buffer using the high-quality antialiased routines in libart_lgpl . ...