[Libreoffice-ux-advise] [Bug 93782] Add reversed line endings

https://bugs.documentfoundation.org/show_bug.cgi?id=93782

Regina Henschel <rb.henschel@t-online.de> changed:

           What    |Removed                     |Added
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                 CC|                            |rb.henschel@t-online.de

--- Comment #6 from Regina Henschel <rb.henschel@t-online.de> ---
(In reply to Yan Pas from comment #3)
> I plan to add two more (with unfilled circles
> https://d2slcw3kip6qmk.cloudfront.net/marketing/pages/chart/ER-diagram-
> symbols-and-meaning/ERD_notation-416x315.PNG )but current master builds
> display unfilled svg paths as filled (orig "closed")

The current implementation always uses closed polygons, so that the line, which
you see as marker is actually not a line but a fill. If you want to get markers
with a hole, you have to make a closed subpath for the outer contour and a
closed subpath for the inner contour. Because of the evenodd fill-rule, the
inner part will become unfilled.

Because of the evenodd fill-rule you need to take care about overlapping
subpaths in your other markers too. Draw them with large width and look,
whether you get white areas, where it should be filled.

Please try your markers too in Calligra Stage (LINUX). It didn't draw the
markers at the correct position in my test. The reason might be, that the
actual point coordinates are about factor 100 different from the viewBox
values. But to be honest, I do not know the reason of the bad drawing in the
test in Calligra yet.

As the current implementation only uses filled polygons, you should make this
explicit in your paths and close them.

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