void Chain::push_viewedge_front(ViewEdge *iViewEdge, bool orientation)
{
orientation = !orientation;
ViewEdge::vertex_iterator v;
ViewEdge::vertex_iterator vend;
ViewEdge::vertex_iterator vfirst;
Vec3r previous, current;
if (true == orientation) {
v = iViewEdge->vertices_begin();
vfirst = v;
vend = iViewEdge->vertices_end();
}
else {
v = iViewEdge->vertices_last();
vfirst = v;
vend = iViewEdge->vertices_end();
}
if (!_Vertices.empty()) {
previous = _Vertices.front()->point2d();
if (orientation)
++v;
else
--v;
// Ensure the continuity of underlying FEdges
CurvePoint *cp = _Vertices.front(); // assumed to be instantiated as new CurvePoint(iSVertex, 0, 0.f);
SVertex *sv_last = cp->A();
SVertex *sv_curr = (*v);
FEdge *fe = (orientation) ? iViewEdge->fedgeA() : iViewEdge->fedgeB();
FEdge *fe2 = fe->duplicate();
fe2->setVertexA(sv_curr);
fe2->setVertexB(sv_last);
sv_last->AddFEdge(fe2);
sv_curr->AddFEdge(fe2);
sv_curr->shape()->AddEdge(fe2);
}
else {
previous = (*v)->point2d();
}
do {
current = (*v)->point2d();
Curve::push_vertex_front((*v));
//_Length += (current - previous).norm();
previous = current;
if (orientation)
++v;
else
--v;
} while ((v != vend) && (v != vfirst));
if (v == vfirst) {
//Add last one:
current = (*v)->point2d();
Curve::push_vertex_front(*v);
//_Length += (current - previous).norm();
}
if (!_fedgeB)
_fedgeB = (orientation) ? iViewEdge->fedgeB() : iViewEdge->fedgeA();
}
FEdge *CurvePoint::getFEdge(Interface0D& inter)
{
CurvePoint *iVertexB = dynamic_cast<CurvePoint*>(&inter);
if (!iVertexB) {
cerr << "Warning: CurvePoint::getFEdge() failed to cast the given 0D element to CurvePoint." << endl;
return 0;
}
if (((__A == iVertexB->__A) && (__B == iVertexB->__B)) ||
((__A == iVertexB->__B) && (__B == iVertexB->__A)))
{
return __A->getFEdge(*__B);
}
if (__B == 0) {
if (iVertexB->__B == 0)
return __A->getFEdge(*(iVertexB->__A));
else if (iVertexB->__A == __A)
return __A->getFEdge(*(iVertexB->__B));
else if (iVertexB->__B == __A)
return __A->getFEdge(*(iVertexB->__A));
}
if (iVertexB->__B == 0) {
if (iVertexB->__A == __A)
return __B->getFEdge(*(iVertexB->__A));
else if (iVertexB->__A == __B)
return __A->getFEdge(*(iVertexB->__A));
}
if (__B == iVertexB->__A) {
if ((_t2d != 1) && (iVertexB->_t2d == 0))
return __A->getFEdge(*__B);
if ((_t2d == 1) && (iVertexB->_t2d != 0))
return iVertexB->__A->getFEdge(*(iVertexB->__B));
}
if (__B == iVertexB->__B) {
if ((_t2d != 1) && (iVertexB->_t2d == 1))
return __A->getFEdge(*__B);
if ((_t2d == 1) && (iVertexB->_t2d != 1))
return iVertexB->__A->getFEdge(*(iVertexB->__B));
}
if (__A == iVertexB->__A) {
if ((_t2d == 0) && (iVertexB->_t2d != 0))
return iVertexB->__A->getFEdge(*(iVertexB->__B));
if ((_t2d != 0) && (iVertexB->_t2d == 0))
return __A->getFEdge(*__B);
}
if (__A == iVertexB->__B) {
if ((_t2d == 0) && (iVertexB->_t2d != 1))
return iVertexB->__A->getFEdge(*(iVertexB->__B));
if ((_t2d != 0) && (iVertexB->_t2d == 1))
return __A->getFEdge(*__B);
}
#if 0
if (G.debug & G_DEBUG_FREESTYLE) {
printf("__A 0x%p p (%f, %f)\n", __A, __A->getPoint2D().x(), __A->getPoint2D().y());
printf("__B 0x%p p (%f, %f)\n", __B, __B->getPoint2D().x(), __B->getPoint2D().y());
printf("iVertexB->A() 0x%p p (%f, %f)\n", iVertexB->A(), iVertexB->A()->getPoint2D().x(),
iVertexB->A()->getPoint2D().y());
printf("iVertexB->B() 0x%p p (%f, %f)\n", iVertexB->B(), iVertexB->B()->getPoint2D().x(),
iVertexB->B()->getPoint2D().y());
printf("_t2d %f p (%f, %f)\n", _t2d, getPoint2D().x(), getPoint2D().y());
printf("iVertexB->t2d() %f p (%f, %f)\n", iVertexB->t2d(), iVertexB->getPoint2D().x(),
iVertexB->getPoint2D().y());
}
#endif
cerr << "Warning: CurvePoint::getFEdge() failed." << endl;
return NULL;
}