[Digikam-devel] [Bug 274631] New: Applying free rotation to image produces white pixels in some areas which should be near black

[tcarthy at blueyonder.co.uk]

https://bugs.kde.org/show_bug.cgi?id=274631

           Summary: Applying free rotation to image produces white pixels
                    in some areas which should be near black
           Product: digikam
           Version: 1.8.0
          Platform: openSUSE RPMs
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: Image Editor
        AssignedTo: digikam-devel at kde.org
        ReportedBy: tcarthy at blueyonder.co.uk


Version:           1.8.0 (using KDE 4.6.0) 
OS:                Linux

I import images in jpeg format and in editing use free-rotate to adjust
alignment. However, in the past couple of weeks this has been producing 
splatterings of white pixels in areas which should be near black. I have needed
to  use other applications such as Gimp or Showfoto as a workaround

Reproducible: Sometimes

Steps to Reproduce:
Rotate photo with very dark and light areas. Only rotating 1-3 degrees

Actual Results:  
Speckled white areas appear where object should be at its darkest - eg brown
leather settee suddenly has white areas where dark seems should be.

Expected Results:  
I expected simple rotation and cropping without the introduction of white
pixels in areas which should be dark

OS: Linux (i686) release 2.6.37.6-0.5-desktop
Compiler: gcc

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