Xft
Encyclopedia
Xft, the X FreeType interface library, is a free
computer program library written by Keith Packard
. As of version 2.1, it is licensed under a quasi-BSD license.
It is designed to allow the FreeType
rasterizer
to be used with the X Rendering Extension
; it is generally employed to use FreeType's anti-aliased
fonts
with the X Window System
. Xft also depends on fontconfig
for access to the system fonts.
Free software
Free software, software libre or libre software is software that can be used, studied, and modified without restriction, and which can be copied and redistributed in modified or unmodified form either without restriction, or with restrictions that only ensure that further recipients can also do...
computer program library written by Keith Packard
Keith Packard
Keith Packard is a software developer, best known for his work on the X Window System.Packard is responsible for many X extensions and technical papers on X...
. As of version 2.1, it is licensed under a quasi-BSD license.
It is designed to allow the FreeType
FreeType
FreeType is a software library written in C that implements a font rasterization engine. It is used to render text on to bitmaps and provides support for other font-related operations.-Details:...
rasterizer
Font rasterization
Font rasterization is the process of converting text from a vector description to a raster or bitmap description. This often involves some anti-aliasing on screen text to make it smoother and easier to read...
to be used with the X Rendering Extension
XRender
The X Rendering Extension is an X Window System extension to implement Porter-Duff image compositing in the X server, to allow efficient display of transparent images.- History :...
; it is generally employed to use FreeType's anti-aliased
Anti-aliasing
In digital signal processing, spatial anti-aliasing is the technique of minimizing the distortion artifacts known as aliasing when representing a high-resolution image at a lower resolution...
fonts
Computer font
A computer font is an electronic data file containing a set of glyphs, characters, or symbols such as dingbats. Although the term font first referred to a set of metal type sorts in one style and size, since the 1990s it is generally used to refer to a scalable set of digital shapes that may be...
with the X Window System
X Window System
The X window system is a computer software system and network protocol that provides a basis for graphical user interfaces and rich input device capability for networked computers...
. Xft also depends on fontconfig
Fontconfig
Fontconfig is a computer program library designed to provide system-wide font configuration, customization, and application access. Fontconfig is written and was originally maintained by Keith Packard...
for access to the system fonts.