PolyBezierCurve::PolyBezierCurve( const VectorX1i & degs, const VectorX2s & points )
: m_degs(degs)
, m_controlPoints(points)
, m_segments(degs.rows())
, m_iter(pointsBegin())
, m_currentSegment(0)
{}
VectorX1s PolyBezierCurve::getSegmentCtrlPtsIndices( const int & segment )
{
// std::cout << "m_segments" << m_segments << std::endl;
// std::cout << "segment" << segment << std::endl;
assert( (segment >= 0) && (segment < m_segments) );
VectorX2sIterator pointsBeginIter = pointsBegin();
int segCount = 0;
// Advance the iterator of the control points by the degree of each precedented segment
while (segCount < segment) {
pointsBeginIter += m_degs[segCount];
++segCount;
}
// Return indices of control points
VectorX1s pointIndices;
mathdef::resize(pointIndices, m_degs[segment] + 1);
for (int i = 0; i <= m_degs[segment]; i++, pointsBeginIter++) {
pointIndices[i] = pointsBeginIter.getCurrentRow();
}
return pointIndices;
}
VectorX2sIterator& PolyBezierCurve::resetToFirstSegment()
{
m_iter = pointsBegin();
m_currentSegment = 0;
return m_iter;
}
PolyBezierCurve::PolyBezierCurve()
: m_degs()
, m_controlPoints()
, m_segments(0)
, m_iter(pointsBegin())
, m_currentSegment(0)
{}
Interface0DIterator Curve::verticesBegin()
{
return pointsBegin(0);
}
