D8379: PDF: Support the new poppler renderToImage with update callback

[Albert Astals Cid]

aacid added a comment.


  You can see a video of the difference here 
https://www.youtube.com/watch?v=NaUbWL6800Y

REPOSITORY
  R223 Okular

REVISION DETAIL
  https://phabricator.kde.org/D8379

To: aacid, #okular
Cc: #okular, aacid