This directory hierarchy contains the source code for the XV software.

This software is maintained using the following Git repository hosted by GitHub:

• https://github.com/jasper-software/xv.git

Other additional sources of information on the XV software include:

• http://www.trilon.com/xv/

• https://en.wikipedia.org/wiki/Xv_(software)

This source code was originally derived from the following:

• ftp://ftp.trilon.com/pub/xv/xv-3.10a.tar.gz (obtained 2022-01-30)

• http://prdownloads.sourceforge.net/png-mng/xv-3.10a-jumbo-patches-20070520.tar.gz (obtained 2022-01-30)

• http://www.gregroelofs.com/code/xv-3.10a-enhancements.20070520-20081216.diff (obtained 2022-01-30)

Many changes/improvements have been made on top of the original code. Some of these changes/improvements include (but are not limited to):

• merged numerous patches from the Fedora Linux RPM for the XV software on RPM Fusion;

• merged several patches for the XV software from OpenBSD;

• merged several patches for the XV software from OpenSUSE;

• added support for CMake-based builds;

• added a continuous integration (CI) workflow based on GitHub Actions, which builds XV using a combination of platforms/compilers (e.g., GCC/Clang on Ubuntu/MacOS); and

• added a GitHub Actions workflow for automatically generating software release tarballs.

The XV software was originally written by John Bradley. John Bradley's web site for the XV software can be found at:

• http://www.trilon.com/xv

The creator of this GitHub repository (Michael Adams) would like to thank John Bradley for giving his blessing for a public Git repository for the XV software. It is hoped that this repository will allow the ongoing support and maintenance of the XV software to be done more easily.