[digikam] [Bug 314377] New: Digikam should display images without interpolation when zoom is > 200%

[Luke Campagnola]

https://bugs.kde.org/show_bug.cgi?id=314377

            Bug ID: 314377
           Summary: Digikam should display images without interpolation
                    when zoom is > 200%
    Classification: Unclassified
           Product: digikam
           Version: 2.8.0
          Platform: Ubuntu Packages
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: [hidden email]
          Reporter: [hidden email]

When I zoom in to an image greater than about 200%, I am generally interested
in looking at the individual pixels. Digikam makes this difficult by displaying
the image with pixels interpolated, even for the largest zoom values (compare
to GIMP, for example, which switches to nearest-neighbor interpolation after
about 150% zoom). This happens in the image preview and image editor, probably
other places as well. If I remember correctly, this was not always the case.

Reproducible: Always

Steps to Reproduce:
1. View any image
2. Zoom in to 1200%

Actual Results:  
Pixel boundaries are not clear due to image smoothing.

Expected Results:  
pixels should be drawn without smoothing; square with clearly-defined
boundaries.

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[Gilles Caulier-4]

https://bugs.kde.org/show_bug.cgi?id=314377

Gilles Caulier <[hidden email]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |[hidden email]
          Component|general                     |Preview

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[Gilles Caulier-4]

https://bugs.kde.org/show_bug.cgi?id=314377

Gilles Caulier <[hidden email]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |WORKSFORME
   Version Fixed In|                            |4.3.0
             Status|UNCONFIRMED                 |RESOLVED

--- Comment #1 from Gilles Caulier <[hidden email]> ---
If you don't want to show interpolation in preview mode, just switch preview
image loading option to use full size image instead a reduced size.

Note : typical case to use reduced size preview if to have a better time
responding with slow computers when image are loaded to memory.

So for me, the current implementation from git/master work as expected...

Gilles Caulier

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