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[Bug 1536342] Re: Image preview glitch when resizing Preview/Live panels

 

It seems to be caused by:
1. The images in the slidecontroller are to big to be shown in the list-widget, so OpenLP adds a scrollbar.
2. The scrollbar causes the images to scale a bit down, which means that at the new size they can be shown in the list-widget, so we remove the scrollbar,
3. The images now scale a bit up again, goto 1, repeat...

** Changed in: openlp
       Status: New => Confirmed

** Changed in: openlp
   Importance: Undecided => Low

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https://bugs.launchpad.net/bugs/1536342

Title:
  Image preview glitch when resizing Preview/Live panels

Status in OpenLP:
  Confirmed

Bug description:
  If images are shown in Live & Preview, re-sizing the panels causes the
  images to shake wildly at certain points.

  This would appear to be a problem on smaller screen resolutions.
  I can produce the glitch with 1280x1024 and 1280x720 resolutions but 1920x1080 works fine.

  This happens in real-world when user wants to make their Live panel
  larger than Preview panel.

  See the Youtube link for an example on 1280x1024 display.

  https://youtu.be/KgXOnUcaM-o

  Win 8.1 / Rev 2609

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