Add ability to control stroke capping for line symbology (or default to flat cap)

[qgib]

Author Name: Ollie O'Brien - (Ollie O'Brien -)
Original Redmine Issue: 1297

Redmine category:symbology
Assignee: nobody -

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It would be good to have control over how stroke capping is set - so that strokes which have thickness x don't extend beyond the actual end of the polyline by distance x/2, but rather finish exactly at it.

See http://doc.trolltech.com/4.5/qpen.html#setCapStyle
Default is square capping, which causes the protrusion past the polyline end-point

QT 3 default was for flat capping - looks like this changed in QT 4.
Also looks like the old (pre 1.0) print composer setCapStyle to flat capping.

One problem with flat-capping is that it might cause ugly white slivers to appear where two polylines meet each other not-quite head-on - so probably needs to be a configurable option.

[qgib]

Author Name: Paolo Cavallini (@pcav)

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Isn't this solved in the new symbology? Can we close it?

[qgib]

Author Name: Ollie O'Brien - (Ollie O'Brien -)

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Agreed, closing.

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• resolution was changed from to fixed
• status_id was changed from Open to Closed