D26778: Re-allocate the rawImage buffer if the number of channels has changed.

[Hy Murveit]

murveit created this revision.
murveit added a reviewer: mutlaqja.
Herald added a project: KDE Edu.
Herald added a subscriber: kde-edu.
murveit requested review of this revision.

REVISION SUMMARY
  If the number of channels changes during a session (rare, but can happen now that the
  simulator can be changed from mono to rgb and back) then the rawImage buffer needs to be
  re-allocated.

TEST PLAN
  Using the new Indi ccd simulator capability to switch between rgb and mono, 
  if you do this in one session without this fix, you'll see the fitsviewer 
  not display the image properly after the change (though it would it you saved configuration 
  and restarted kstars). With this fix, that bug should go away--e.g. change the 
  ccd simulator to rgb, capture an image, note the display is reasonable, switch again, should
  be reasonable again.

REPOSITORY
  R321 KStars

BRANCH
  check-channels (branched from master)

REVISION DETAIL
  https://phabricator.kde.org/D26778

AFFECTED FILES
  kstars/fitsviewer/fitsview.cpp

To: murveit, mutlaqja
Cc: kde-edu, narvaez, apol
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