General Graphics Interface: Difference between revisions

Revision as of 20:53, 21 September 2020

Revision as of 10:41, 19 September 2021

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A set of talks about GGI, KGI and EvStack were given at LinuxExpo 98.

For GGI 2.0, KGI was split off and became its own project named ''The KGI Project''. GGI 2.0 consisted of a set of libraries. During the 2.0 beta phase in late 1998 the license of the libraries was changed from LGPL to a MIT-style license. Much work was also done on the buildsystem to support more operating systems. It worked on FreeBSD, code for OpenBSD, NetBSD and even MS-[[Microsoft Windows]] were there as well as some support for more hardware platforms.

Input handling was moved into a library called libgii. Generic GGI code was in libgg, a sublib within libgii. The core graphic library, libggi, has a lightweight set of graphic primitives that was common enough to write any kind of graphic application, while higherlevel API went into other libraries on top of libggi. These were called GGI extensions. libggi support a set of targets, most of them were Linux specific: fbdev, X, aa, vcsa, [[terminfo]] and some pseudo targets such as tile, multi, palemu and trueemu. The GGI extensions featured higherlevel API. libggiwmh provides functionality for windowed only targets, at that time this was only X. libggimisc provided some basic stuff like vga splitline.

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November 2004, the last bugfix from the GGI 2.0.x stable tree was released in favour for a new GGI 2.1.x stable tree.

GGI 2.1.x runs on many Operating Systems: [[GNU Hurd]], [[Linux]], [[*BSD]], [[System V]], [[Mac OS X]] and [[MSMicrosoft Windows]]. Support for more hardware platforms has been added. [[NetBSD]] even created a binary package for NetBSD/Vax! A new GGI library on top of libgii called libgiigic has been added. It allows to combine user actions with events at run time.

GGI 2.2 was released in December 2005. The target auto detection has been reworked and was no longer linux centric. GGI replaced its own integer datatypes with ANSI C99 types for more portability. A target for Quartz has been added. Mac OS X users no longer depend on X11 but still can use the X11 backend. The most user visible change, however, was the support for static linked in targets.