Apple Type Services for Unicode Imaging
Encyclopedia
The Apple Type Services for Unicode Imaging (ATSUI) is the set of services for rendering Unicode
-encoded text starting with Mac OS
8.5
and in Mac OS X
.
It replaced the WorldScript
engine for legacy encodings.
Incidentally, "atsui" (あつい) means "hot" or "thick" in Japanese
.
in Mac OS X 10.5 (Leopard).
Unicode
Unicode is a computing industry standard for the consistent encoding, representation and handling of text expressed in most of the world's writing systems...
-encoded text starting with Mac OS
Mac OS
Mac OS is a series of graphical user interface-based operating systems developed by Apple Inc. for their Macintosh line of computer systems. The Macintosh user experience is credited with popularizing the graphical user interface...
8.5
Mac OS 8
Mac OS 8 is an operating system that was released by Apple Computer on July 26, 1997. It represented the largest overhaul of the Mac OS since the release of System 7, some six years previously. It puts more emphasis on color than previous operating systems...
and in Mac OS X
Mac OS X
Mac OS X is a series of Unix-based operating systems and graphical user interfaces developed, marketed, and sold by Apple Inc. Since 2002, has been included with all new Macintosh computer systems...
.
It replaced the WorldScript
WorldScript
WorldScript was the multilingual text rendering engine for Apple Macintosh before Mac OS X was introduced.Starting with version 7.1, Apple unified the implementation of non-Roman script systems in a programming interface called WorldScript. WorldScript I was used for all one-byte character sets and...
engine for legacy encodings.
Incidentally, "atsui" (あつい) means "hot" or "thick" in Japanese
Japanese language
is a language spoken by over 130 million people in Japan and in Japanese emigrant communities. It is a member of the Japonic language family, which has a number of proposed relationships with other languages, none of which has gained wide acceptance among historical linguists .Japanese is an...
.
Obsolescence
ATSUI was replaced by a more robust and modern Unicode imaging engine called Core TextCore Text
Core Text is a Core Foundation style API in Mac OS X, first introduced in Mac OS X 10.4 Tiger, made public in Mac OS X 10.5 Leopard, and introduced for the iPad with iPhone SDK 3.2. Exposing a C API, it replaces the text rendering abilities of the now-deprecated QuickDraw and ATSUI frameworks in...
in Mac OS X 10.5 (Leopard).