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PQIV README
===========
About pqiv
----------
Originally, PQIV was written as a drop-in replacement for QIV
(http://spiegl.de/qiv/), as QIV was unmaintained and used imlib, a deprecated
library, which was to be removed from Gentoo Linux. The first release was not
more than a Python script, hence the name. After some month I realized that
nobody would do a better version, so I did it myself. Back then, PQIV became a
(modulo some small extras) full featured clone of QIV written in C using GTK 2
and GLIB 2.
When Debian decided to do the same step regarding imlib, a new developer stepped
in for QIV's klografx.net team and updated QIV to use GDK 2 and imlib 2. As of
May 2009, both programs are usable again and their features are likely to
diverge.
In the meantime, I have had some new ideas and learned (from my daily use)
about which features were really useful and which were merely overhead. In 2013
I decided to rewrite pqiv from scratch which these in mind, this time using the
third version of GTK and its backend, cairo. The code was tested on numerous
platforms, and is also backwards compatible with GTK 2.
Features
--------
* Command line image viewer
* Directory traversing to view whole directories
* Watch files and directories for changes
* Natural order sorting of the images
* A status bar showing information on the current image
* Transparency and animation support
* Moving, zooming, rotation, flipping
* Slideshows
* Highly customizable
* Supports external image filters (e.g. `convert`)
* Preloads the next image in the background
* Fade between images
Installation
------------
Usual stuff. `./configure && make && make install`. Actually, the configure
script is optional for now.
You'll need
* gtk+ 3.0 *or* gtk+ 2.8
* gdk-pixbuf 2.2 (included in gtk+)
* glib 2.8
* cairo 1.6
* gio 2.0
* gdk 2.8
Thanks
------
This program uses Martin Pool's natsort algorithm
<http://sourcefrog.net/projects/natsort/>
Contributors
------------
Contributors to pqiv 2.x are:
* J. Paul Reed
Contributors to pqiv ≤ 1.0 were:
* Alexander Sulfrian
* Alexandros Diamantidis
* Brandon
* David Lindquist
* Hanspeter Gysin
* John Keeping
* Nir Tzachar
* Rene Saarsoo
* Tinoucas
* Yaakov
Known bugs
----------
* **The window is centered in between two monitors in old multi-head setups**:
This happens if you have the RandR extension enabled, but configured
incorrectly. GTK is programmed to first try RandR and use Xinerama only as
a fallback if that fails. (See `gdkscreen-x11.c`.) So if your video drivers
for some reason detect your multiple monitors as one big screen you can not
simply use fakexinerama to fix things. This might also apply to nvidia drivers
older than version 304. I believe that I can not fix this without breaking
functionality for other users or maintaining a blacklist, so you should
deactivate RandR completely until your driver is able to provide correct
information, or use a fake xrand (like
[mine](https://github.com/phillipberndt/fakexrandr), for example)
Changelog
---------
pqiv 2.2
* Accept URLs as command line arguments
* Revived -r for reading additional files from stdin (by J.P. Reed)
* Display the help message if invoked without parameters (by J.P. Reed)
* Accept floating point slideshow intervals on the command line
* Update the info box with the current numbers if (new) images are (un)loaded
* Added --max-depth=n to limit how deep directories are searched
* Added --browse to load, in addition to images from the command line, also
all other images from the containing directories
pqiv 2.1.1
* Bugfix: Fixed handling of non-image command line arguments
pqiv 2.1
* Support for watching directories for new files
* Downstream Makefile fix: Included LDFLAGS (from Gentoo package, by Tim
Harder), updated for clean builds on OpenBSD (by jca[at]wxcvbn[dot]org,
reported by github user @clod89)
* Also included CPPFLAGS, for completeness
* Renamed '.qiv-select' directory to '.pqiv-select'
* Added a certain level of autoconf compatibility to the configure script, for
automated building
* gtk 3.10 stock icon deprecation issue fixed
* Reimplemented fading between images
* Display the last image while the current image has not been loaded
* Gave users the option to abort the loading of huge images
* Respect --shuffle and --sort with --watch-directories, i.e. insert keeping
order, not always at the end
* New option --lazy-load to display the main window while still traversing
paths, searching for images
* New option --low-memory to disable memory hungry features
* Detect nested symlinks without preventing users from loading the same image
multiple times
* Improved cross-compilation support with mingw64
pqiv 2.0
* Complete rewrite from scratch
* Based on GTK 3 and Cairo
pqiv ≤ 1.0
* See the old GTK 2 release for information on that
(in the **gtk2** branch on github)
pqiv ≤ 0.3
* See the old python release for information on that
(in the **python** branch on github)
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