https://bugs.freedesktop.org/show_bug.cgi?id=75637

          Priority: medium
            Bug ID: 75637
          Assignee: libreoffice-bugs@lists.freedesktop.org
           Summary: LOCALHELP: Images not displayed with newer icon themes
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: dent....@gmail.com
          Hardware: Other
            Status: UNCONFIRMED
           Version: 4.2.0.4 release
         Component: Documentation
           Product: LibreOffice

Newer Icon themes will increasingly use 'links.txt' to reduce duplicate icons,
e.g.:
/icon-themes/tango/links.txt

This would suggest that online help supports the same run-time image
replacement as occurs when rendering icons in the UI. I think the magic occurs
in:
vcl/source/gdi/impimagetree.cxx

During testing, I discovered this doesn't occur; guessing all images are simply
hardcoded links from help content to the current icon theme.

Testing:
- Select a different icon theme, e.g. Tango.
- View online help topics, such as:
> Text Formatting Bar - See missing images for: Font Color, Justify, Single 
> Line.
> Line and Filling Bar - See missing images for: Area 
- These images are displayed for the Galaxy theme, but not for other themes. I
presume this is due to links.txt image replacement not being used.

I'm not sure if this worked in the past? 
The 'fix' may not require that we use links.txt, but as duplicate images are
removed from icon themes globally, we should ensure that help content points to
the chosen canonical icon. ... However, for some icon themes relying heavily on
links.txt, this may still not be sufficient.


Testing: Version: 4.2.0.4, Mac.
Build ID: 05dceb5d363845f2cf968344d7adab8dcfb2ba71

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