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On 2012-12-05T13:26:17+00:00 i wrote:

If we enable compositing in xfwm4 when we run 'xfce4-screenshooter -r' the 
screen becomes black and so we can't select the region for the screen-shot 
properly (specially since the region can't be moved after selection as the 
screen-shot is taken on button release).
I've tried playing a bit with the compositor settings but it didn't change this 
behaviour.

So the black background could have instead a reasonable transparency by
default. Something like 25% opacity.

Name        : xfce4-screenshooter
Version     : 1.8.0
Release     : 7.fc18
Architecture: i686

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https://bugs.launchpad.net/ubuntu/+source/xfce4-screenshooter/+bug/1204452/comments/0

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On 2012-12-05T17:50:47+00:00 Jeromeg wrote:

Current transparency is 80%, but I also noticed when testing the latest
Xubuntu release that it is not very usable on dark backgrounds.

I'll see if lowering the value helps. Being able to modify the selection
has been on my planning but I don't know when/if I'll get to it.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/xfce4-screenshooter/+bug/1204452/comments/1

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On 2012-12-05T19:28:47+00:00 i wrote:

As a workaround, how about lowering opacity to 25% (or if you feel it's
too transparent, maybe max 40%)?

I use a CRT monitor and I notice it has bad contrast in the dark region
or maybe the issue is that the glass of the screen reflects light.

Running 'xfce4-screnshooter -r' in this same page I can see it through
but I have to look close for that.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/xfce4-screenshooter/+bug/1204452/comments/2

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On 2012-12-05T20:12:48+00:00 i wrote:

I've build it from source here changing 0.8 to 0.4 in
xfce4-screenshooter/lib/screenshooter-capture.c

lines 525-526:
          /* Restore the transparent background */
          cairo_set_source_rgba (cr, 0, 0, 0, 0.8);

lines 549-551:
      /* Draw the transparent background */
      cr = gdk_cairo_create (GDK_DRAWABLE (widget->window));
      cairo_set_source_rgba (cr, 0, 0, 0, 0.8);


And it's very usable this way.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/xfce4-screenshooter/+bug/1204452/comments/3

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On 2012-12-06T08:45:36+00:00 Jeromeg wrote:

Ok, I'll get to this when I have access to my development computer.
Meanwhile, you could get a patch ready (see git format-patch).

Reply at:
https://bugs.launchpad.net/ubuntu/+source/xfce4-screenshooter/+bug/1204452/comments/4

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On 2012-12-06T09:57:06+00:00 i wrote:

Created attachment 4780
Increase background transparency for selection screenshot.

It's working for me but since I'm not a programmer I don't know if
anything else should be changed.

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https://bugs.launchpad.net/ubuntu/+source/xfce4-screenshooter/+bug/1204452/comments/5

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On 2012-12-08T15:09:20+00:00 Jeromeg wrote:

Pushed patch to git master branch, thanks a lot for your contribution!

Reply at:
https://bugs.launchpad.net/ubuntu/+source/xfce4-screenshooter/+bug/1204452/comments/6


** Changed in: xfce-screenshooter-plugin
       Status: Unknown => Fix Released

** Changed in: xfce-screenshooter-plugin
   Importance: Unknown => Medium

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https://bugs.launchpad.net/bugs/1204452

Title:
  Screen goes black when attempting to select a region

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