[Okular-devel] [Bug 284533] New: Broken anti-aliasing when reloading document

[Martin von Gagern]

https://bugs.kde.org/show_bug.cgi?id=284533

           Summary: Broken anti-aliasing when reloading document
           Product: okular
           Version: 0.13.2
          Platform: Gentoo Packages
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: general
        AssignedTo: okular-devel at kde.org
        ReportedBy: Martin.vGagern at gmx.net


Created an attachment (id=64726)
 --> (http://bugs.kde.org/attachment.cgi?id=64726)
PDF used for screenshots

Version:           0.13.2 (using KDE 4.7.2) 
OS:                Linux

When opening the attached file, it displays all right. But when reloading the
document, either using the File/Reload menu item, its shortcut, or because the
file changed on disk, then the lines will appear a lot thicker and more rugged.
It appears as though upon reloading, every pixel that was touched during
anti-aliasing was painted at full opacity, or something like that.

Reproducible: Didn't try

Steps to Reproduce:
1. Open the attached document, generated by asymptote.
2. Reload the document using File/Reload

Actual Results:  
* Lines appear a lot thicker
* Pixels are either black or white, no more gray
* At 100% zoom, the inner circles appear almost as one

Expected Results:  
Image should look exactly as it looked upon initial loading of the document

My system has poppler 0.18.0 installed.

I'll be happy to try out any patch you might suggest.

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