https://bugs.kde.org/show_bug.cgi?id=345260

Henrik Fehlauer <rk...@lab12.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
     Ever confirmed|0                           |1
         Resolution|FIXED                       |---
                 CC|                            |rk...@lab12.net
             Status|RESOLVED                    |REOPENED

--- Comment #4 from Henrik Fehlauer <rk...@lab12.net> ---
I think this is still a problem. You can see this using KMag in "Selection
Window Mode": Open the image with Fit zoom, point KMag to the line and change
the vertical window size. You'll observe that Firefox does a much better job of
downscaling than Gwenview, i.e. subsampling with less abrupt changes of color
and a more uniform color distribution.

If I understand correctly, this is not so much about a missing line, but more
about the scaling quality. Gwenview does compromise here on purpose to be fast,
but in recent years Firefox may have found a way to be fast and precise. For
real-world pictures this won't matter much probably, but if you are viewing
images with thin lines (e.g. technical drawings or screenshots of a spreadsheet
table, i.e. something ordinary users do who do not know about the advantages of
vector formats), this can become a problem.

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