[Okular-devel] [okular] [Bug 352796] New: CMYK modeled PDFs display a color shift

Root n-root at gmx.com
Wed Sep 16 12:15:22 UTC 2015


https://bugs.kde.org/show_bug.cgi?id=352796

            Bug ID: 352796
           Summary: CMYK modeled PDFs display a color shift
           Product: okular
           Version: 0.23.0
          Platform: Archlinux Packages
               URL: http://oi59.tinypic.com/9k410l.jpg
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: PDF backend
          Assignee: okular-devel at kde.org
          Reporter: n-root at gmx.com

CMYK modeled PDFs display a color shift -- they become slightly more saturated
than normal (see included image of Okular vs Google Chrome rendering; Google
Chrome renders the colors accurately). The same problem appears in iBooks for
iOS.

Reproducible: Always

Steps to Reproduce:
1. Open PDF with CMYK color model. I used my Histology textbook.
2.
3.

Actual Results:  
Everything renders fine except for the colors.

Expected Results:  
Everything should have rendered fine, including the colors. There should be no
difference between the colors of a CMYK and RGB color model PDF.

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