GraphicsCommandArc constructor
Implementation
GraphicsCommandArc(num x, num y, num radius, num startAngle, num endAngle,
bool antiClockwise)
: _x = x.toDouble(),
_y = y.toDouble(),
_radius = radius.toDouble(),
_startAngle = startAngle.toDouble(),
_endAngle = endAngle.toDouble(),
_antiClockwise = antiClockwise;