/**
* Return coordinates of i-th control point.
*
* @param i :: Index of a control point. 0 <= i < getNControlPoints().
*/
QPointF Shape2D::getControlPoint(size_t i) const
{
if (i >= getNControlPoints())
{
throw std::range_error("Control point index is out of range");
}
if (i < 4) return m_boundingRect.vertex(i);
return getShapeControlPoint(i - NCommonCP);
}
void Shape2DRing::setShapeControlPoint(size_t i,const QPointF& pos)
{
QPointF dp = pos - getShapeControlPoint(i);
switch(i)
{
case 0: m_yWidth -= dp.y(); break;
case 1: m_yWidth += dp.y(); break;
case 2: m_xWidth += dp.x(); break;
case 3: m_xWidth -= dp.x(); break;
}
refit();
}
