[REVIEW-3-6] fix for fdo#46100, limit the degree of b-spline algorithm in charts

[Markus Mohrhard]

2012/10/4 Markus Mohrhard <markus.mohrhard at googlemail.com>:
> Hey
>
> [1] fixes one of our hard hacks. IT just inserts a hard limit for the
> b-spline polynomial degree which is responsible for the crash in this
> document. This document uses a degree of 50 and a resolution of 20
> which creates millions of interpolation points. Normally a degree of 3
> to 8 is enough for every document.
>
> BTW, we(I know this mean I) finally need to find the problem in the
> B-spline interpolation that makes it more or less unusable. See the
> test document and click into the chart to get into edit mode.
>
>
> [1] http://cgit.freedesktop.org/libreoffice/core/commit/?id=e1dee0aaacd8e30e2949053ebf351d76bad14ac3

Best is to add also

http://cgit.freedesktop.org/libreoffice/core/commit/?id=1ca1a7aa9935ad33325ac7aebbbb127995337988
which limits the choice for the user in the dialog.