Install PhotoQT 1.4.1 Image Viewer on Ubuntu 16.04

PhotoQT 1.4.1 is a simple, free and open-source image viewer that comes in very handy with its basic file management and image manipulation features. It allows you to rotate, flip and zoom images or delete, rename or move them. You can also check EXIF information and show images in a slide show.
 

Features

•     Based on Qt5/QML
•     Support of many image formats (use of GraphicsMagick and Libraw)
•     Rotating, flipping, zooming images - no permanent changes
•     Scaling images - permanent change
•     Basic File Management (Renaming, Deleting, Moving, Copying)
•     Keyboard and Mouse Shortcuts
•     Set-as-Wallpaper function
•     Slideshow feature
•     Exif information
•     Highly Adjustable to your custom preference
•     Interface that doesn't get into your way
•     Very fast and flexible
•     Thumbnail Cache
•     System Tray Usage
•     Command Line Options
•     Several translations available
•     and much more...

PhotoQT 1.4.1 Changelog

•     Fix: External Shortcuts aren't working
•     Fix: Detecting a key combination for a shortcut didn't work when a language other than English was set
•     Fix: Disabling of thumbnails wasn't preserved across sessions
•     Fix: Not possible to change setting for Extras filetypes (xcf and psd/psb)
•     Fix: Deleting images that had non-Latin characters in their filepath/filename didn't work
•     Fix: Pressing the 'Enter' key in a CustomLineEdit went to a second line
•     Fix: Renaming a file didn't reload the directory or hide the 'Rename' element
•     Fix: Add 'missing' photoqt.appdata.xml file to source tree
•     Fix: Impossible to use '+' (normal and keypad) for shortcuts
•     Fix: Resizing PhotoQt in window mode didn't adjust the width/height of the image container properly
•     Fix: Triggering 'floatable' mode of MetaData element didn't adjust width/height of image container
•     Fix: RAW: PhotoQt would always load at most a half-sized image instead of the full one
•     Fix: Handling of non-Latin characters faulty in certain cases
•     Fix: PhotoQt sometimes would load the thumbnails with a higher priority than the main image
•     Fix: Database info in settings manager didn't update automatically after cleaning/emptying database
•     Fix: When loading a folder, thumbnails sometimes wouldn't start loading automatically
•     Fix: RAW fileformats are not enabled by default (when compiled with LibRaw support)
•     Add: Shortcut to hard-delete a file directly, by-passing the confirmation element
•     Updated some languages

Installation instructions:

 Open up a terminal window (Ctrl+Alt+T) and run the following two lines of commands.

$ sudo apt-add-repository ppa:lumas/photoqt $ sudo apt update && sudo apt install photoqt