[QGIS-trac] [Quantum GIS] #1297: Add ability to control stroke capping for line symbology (or default to flat cap)

[Quantum GIS]

#1297: Add ability to control stroke capping for line symbology (or default to
flat cap)
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   Reporter:  ollie                            |              Owner:  nobody       
       Type:  enhancement                      |             Status:  new          
   Priority:  minor: annoyance or enhancement  |          Milestone:  Version 1.0.1
  Component:  Symbology                        |            Version:  HEAD         
   Keywords:  capping linecap qt               |   Platform_version:  10.5.4       
   Platform:  OS X                             |           Must_fix:  No           
Status_info:  0                                |  
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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.

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Ticket URL: <http://trac.osgeo.org/qgis/ticket/1297>
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