https://bugs.documentfoundation.org/show_bug.cgi?id=135910
--- Comment #10 from [email protected] ---
(In reply to Mike Kaganski from comment #9)
> The problem is that now, when the painting of objects happens on a clear
> transparent vdev, painting the object (e.g. rectangle in case of attachment
> 164477 [details]), happening in two stages (RGB separately, alpha
> separately), only sees white background while drawing RGB. AA makes the
> painting to blend with the background on edges, which results in the borders
> of the shape to become light (and semi-transparent, but the unintended
> *color* change happens anyway).
>
> I suppose that it should instead somehow see that the pixels it blends with
> are completely transparent, and then do not change color, and only apply AA
> to transparency. But I don't yet have an idea how to perform that in out
> weird separated (RGB / Alpha) graphics.
>
> Thorsten, quikee, Lubos: possibly you have some ideas?
Exports using the TIFF format (both whole slide and as a selection) do not
exhibit any of the problems this or my previous bug listed (but I need PNG
files).
Perhaps model the PNG export after however TIFF handles it?
--
You are receiving this mail because:
You are the assignee for the bug.
_______________________________________________
Libreoffice-bugs mailing list
[email protected]
https://lists.freedesktop.org/mailman/listinfo/libreoffice-bugs
