1# Fontconfig 2 3Font configuration and customization library 4 5[[_TOC_]] 6 7## About Fontconfig 8 9Fontconfig can: 10 11* discover new fonts when installed automatically, removing a common source of configuration problems. 12* perform font name substitution, so that appropriate alternative fonts can be selected if fonts are missing. 13* identify the set of fonts required to completely cover a set of languages. 14* have GUI configuration tools built as it uses an XML-based configuration file (though with autodiscovery, we believe this need is minimized). 15* efficiently and quickly find the fonts you need among the set of fonts you have installed, even if you have installed thousands of fonts, while minimizing memory usage. 16* be used in concert with the X Render Extension and [FreeType](https://www.freedesktop.org/wiki/Software/FreeType/) to implement high quality, anti-aliased and subpixel rendered text on a display. 17 18Fontconfig does not: 19 20* render the fonts themselves (this is left to FreeType or other rendering mechanisms) 21* depend on the X Window System in any fashion, so that printer only applications do not have such dependencies 22 23## Documentation 24 25* [Fontconfig User Documentation](https://www.freedesktop.org/software/fontconfig/fontconfig-user.html) 26* [Fontconfig Developer Documentation](https://www.freedesktop.org/software/fontconfig/fontconfig-devel/) 27 28## Bug report 29 30If you have cncountered any issues regarding to Fontconfig, please file an issue at [GitLab issue tracker](https://gitlab.freedesktop.org/fontconfig/fontconfig/issues) 31