The ATSUI font backend is primarily used to render text on Apple OS X systems. #cairo_font_face_t Font support for ATSUI on OS X ATSUI Fonts The BeOS surface is used to render cairo graphics to BeOS views and bitmaps. #cairo_surface_t BeOS surface support BeOS Surfaces The Glitz surface is used to render cairo graphics targeting the OpenGL hardware using the Glitz library. #cairo_surface_t OpenGL accelerated rendering using the Glitz library Glitz Surfaces The XCB surface is used to render cairo graphics to X Window System windows and pixmaps using the XCB library and its X Render extension. Note that the XCB surface automatically takes advantage of the X Render extension if it is available. #cairo_surface_t X Window System rendering using the XCB library and the X Render extension XCB Surfaces The XCB surface is used to render cairo graphics to X Window System windows and pixmaps using the XCB library. Note that the XCB surface automatically takes advantage of the X render extension if it is available. #cairo_surface_t X Window System rendering using the XCB library XCB Surfaces