Bug 145533

Summary:	Allow shifts in synchronized view for the LightTable
Product:	[Applications] digikam	Reporter:	Arnd Baecker <arnd.baecker>
Component:	LightTable-Canvas	Assignee:	Digikam Developers <digikam-bugs-null>
Status:	REPORTED ---
Severity:	wishlist	CC:	caulier.gilles, Julien
Priority:	NOR
Version:	0.9.2
Target Milestone:	---
Platform:	Debian stable
OS:	Linux
Latest Commit:		Version Fixed In:
Sentry Crash Report:

Description Arnd Baecker 2007-05-17 05:25:59 UTC

Version:            (using KDE KDE 3.5.5)
Installed from:    Debian stable Packages

To compare similar images, where the object of interest
(or view or  photographer)
has slightly moved, it would be nice to have
the possibility of a synchronized view, but with a 
horizontal and/or vertical offset.

To achieve this, one approach would be:
- use (in the synchronized view mode) CTRL+slider
  to adjust the position of either the left or right panel,
  but without adjusting the other panel
- keep the resulting offset for the synchronized panning and zooming 
  so that other corresponding regions can be inspected as well.

There is one (small) technical problem with
keeping an offset, namely, what if
during panning the edge of one of the images is reached.
Presumably the simplest is to just stop (in both panels) 
in this case.

Comment 1 Julien Narboux 2009-11-26 08:25:28 UTC

Hi,

Maybe from the gui point of view it would be simpler to have three buttons to pan and three sliders for zoom. One for left hand side, one for right hand side and another one in the middle for synchronized zoom and pan, then one could suppress the "synchronize" button. If one wants synchronized zooming he would just use the third slider.

My 2 cents.

Julien

Comment 2 Julien Narboux 2009-11-26 08:29:32 UTC

I forgot to say that this gui proposal would solve this report because the synchronized panning would be relative to the current position, so if a picture is shifted with regard to the other one the synchronized panning would keep this shift.

Julien

Comment 3 caulier.gilles 2009-11-26 08:30:40 UTC

Hum,

And if in case of both images don't have the same size, synchronization is not possible...

Gilles

Comment 4 Julien Narboux 2009-11-26 08:36:51 UTC

Well in that case the synchronized pan widget and synchronized zoom widget could be grayed out or the panning/zoom would stop a some point.

Julien

Comment 5 Justin Zobel 2021-03-09 05:51:48 UTC

Thank you for the bug report.

As this report hasn't seen any changes in 5 years or more, we ask if you can please confirm that the issue still persists.

If this bug is no longer persisting or relevant please change the status to resolved.