B2DLineJoin::Middle, drawPolyLine etc

[Caolán McNamara]

On Tue, 2016-02-02 at 16:04 +0100, Armin Le Grand wrote:
> Hi Caolan,
> 
> In practise I know of no current usages - even on the UI that flag
> is missing. If it can be removed (UNO API, ODF, ...), remove it.

> checked once again: B2DLineJoin::Middle is sometimes mapped to 
> B2DLineJoin::NONE, sometimes to B2DLineJoin::Miter, both are nearly 
> equally often used. This should be unified, I would prefer mapping to
> B2DLineJoin::Miter due to being graphically 'closer' to 
> B2DLineJoin::Middle than B2DLineJoin::NONE.

ok, I'll remove basegfx::B2DLineJoin::Middle and map all
css::drawing::LineJoin_MIDDLE to their css::drawing::LineJoin_MITRE
equivalents.

C.