Structure: laArcWidget_t 

A arc widget draws a arc of the specified origin and radius inside the widget bounds. All coordinates are expressed in local widget space. 

The color of the arc is determined by the widget scheme's 'foreground' color.

typedef struct laArcWidget_t {
  laWidget widget;
  uint32_t radius;
  uint32_t startAngle;
  int32_t centerAngle;
  uint32_t endAngle;
  uint32_t thickness;
  laBool roundEdge;
} laArcWidget;

None.