[okular] [Bug 341945] Wrong rendering with scrolling in PDF

2018-11-21 Thread Nicolas Pavillon 
https://bugs.kde.org/show_bug.cgi?id=341945

--- Comment #9 from Nicolas Pavillon  ---
There are package managers on Mac that allow the install of KDE software; I
personally use Macports. Then, 3-4 years later, the issue is less relevant as
Okular on KDE4 is quite outdated. I do not know the behaviour on KF5.

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[Okular-devel] [okular] [Bug 341945] Wrong rendering with scrolling in PDF

2015-01-07 Thread Nicolas Pavillon 
https://bugs.kde.org/show_bug.cgi?id=341945

--- Comment #3 from Nicolas Pavillon ni...@macports.org ---
Created attachment 90282
  -- https://bugs.kde.org/attachment.cgi?id=90282action=edit
Screenshot showing rendering issue

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[Okular-devel] [okular] [Bug 341945] New: Wrong rendering with scrolling in PDF

2014-12-16 Thread Nicolas Pavillon 
https://bugs.kde.org/show_bug.cgi?id=341945

Bug ID: 341945
   Summary: Wrong rendering with scrolling in PDF
   Product: okular
   Version: 0.19.3
  Platform: MacPorts Packages
OS: OS X
Status: UNCONFIRMED
  Severity: normal
  Priority: NOR
 Component: PDF backend
  Assignee: okular-devel@kde.org
  Reporter: ni...@macports.org

When scrolling down in a pdf document, streaks appear in the document, as if
the page was not refreshed properly. 

The issue was originally reported in https://trac.macports.org/ticket/45910,
where a screen capture of the issue is also given. 

I noticed that the rendering problem can be corrected by unzooming/zooming,
pointing to a refreshing problem. 

It also seems that the problem specially occurs when using scrolling with the
trackpad, but not with an external mouse.

This was primarily tested with version 0.19.3 (KDE 4.13.3), but the problem is
also present in KDE 4.14.3 according to my tests.

Reproducible: Always

Steps to Reproduce:
1. Open PDF document
2. Scroll down with trackpad


Actual Results:  
Streaks appear in the document


Expected Results:  
The pdf should render properly

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