Lubuntu 19.04: why don't drawing tools work in lximage-qt?

When I take a screenshot (Graphics > Screenshot), the image of the screenshot automatically opens in lximage-qt and I'm allowed to save the image.

  • There are options in the Edit menu to rotate or flip the image. These work.
  • There are options in the View menu to zoom in or out, etc. These work as well.
  • However, I can't get any of the drawing tools to work: I can't draw an arrow, a rectangle, a circle, or add numbers. The mouse pointer does change to cross-hairs but that's about all. (I don't know why the Draw incrementing numbers is stuck at 3.)

lximage-qt

dkb@dkb-LuCo:~$ apt list installed | grep lximage-qt
WARNING: apt does not have a stable CLI interface. Use with caution in scripts.
lximage-qt-l10n/disco,now 0.14.1-1ubuntu1 all [installed,automatic]
lximage-qt/disco,now 0.14.1-1ubuntu1 amd64 [installed,automatic]
dkb@dkb-LuCo:~$ 
9

1 Answer

A comment by a developer of LXQt to a GitHub issue filed by guiverc has this:

Those annotations have many problems; the issues mentioned in this report are just a small part of them.

I didn't like annotations from start because lximage-qt is an image viewer, not an image editor. The PR that introduced them was incomplete but was merged by mistake.

The following comment has this:

The accidental merge happened here: lxqt/lximage-qt#180 (comment). Also, IMO, the most basic functionality that it needed was undo/redo. Later, I found many bugs in it and so, hid it in a recent PR.

Based on this feedback, users of Lubuntu 18.10 or 19.04 may want to use something else to annotate their screenshots:

  • ksnip is "a Qt based cross-platform screenshot tool that provides many annotation features for your screenshots" and is available as a .deb or AppImage from here.
  • flameshot is in the Universe repository with this GitHub homepage.
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