bool sameCorner(const EdgePoint* a, const EdgePoint* b) {
COLA_UNUSED(a);
COLA_UNUSED(b);
COLA_ASSERT( !(a->node->id==b->node->id
&&a->rectIntersect==b->rectIntersect));
return false;
}
void ClusterContainmentConstraints::generateSeparationConstraints(
const vpsc::Dim dim, vpsc::Variables& vs, vpsc::Constraints& cs,
std::vector<vpsc::Rectangle*>& bbs)
{
COLA_UNUSED(bbs);
for (SubConstraintInfoList::iterator o = _subConstraintInfo.begin();
o != _subConstraintInfo.end(); ++o)
{
ClusterShapeOffsets *info = static_cast<ClusterShapeOffsets *> (*o);
if (info->dim != dim)
{
continue;
}
if (info->offset < 0)
{
// Constrain the objects with negative offsets to be
// to the left of the boundary.
vpsc::Constraint *constraint = new vpsc::Constraint(
vs[info->varIndex], vs[info->boundaryVar],
-info->offset);
cs.push_back(constraint);
}
else
{
// Constrain the objects with positive offsets to be
// to the right of the boundary.
vpsc::Constraint *constraint = new vpsc::Constraint(
vs[info->boundaryVar], vs[info->varIndex],
info->offset);
cs.push_back(constraint);
}
}
}
bool zagzig(const EdgePoint* a, const Segment* s) {
COLA_UNUSED(a);
if(s!=nullptr) {
COLA_ASSERT(!sameCorner(a,s->start));
}
return false;
}
void RectangularCluster::generateFixedRectangleConstraints(
cola::CompoundConstraints& idleConstraints,
vpsc::Rectangles& rc, vpsc::Variables (&vars)[2]) const
{
COLA_UNUSED(vars);
if (m_rectangle_index < 0)
{
// Not based on a Rectangle.
return;
}
double halfWidth = rc[m_rectangle_index]->width() / 2;
double halfHeight = rc[m_rectangle_index]->height() / 2;
cola::SeparationConstraint *sc =
new cola::SeparationConstraint(vpsc::XDIM, clusterVarId,
m_rectangle_index, halfWidth, true);
idleConstraints.push_back(sc);
sc = new cola::SeparationConstraint(vpsc::XDIM,
m_rectangle_index, clusterVarId + 1, halfWidth, true);
idleConstraints.push_back(sc);
sc = new cola::SeparationConstraint(vpsc::YDIM,
clusterVarId, m_rectangle_index, halfHeight, true);
idleConstraints.push_back(sc);
sc = new cola::SeparationConstraint(vpsc::YDIM,
m_rectangle_index, clusterVarId + 1, halfHeight, true);
idleConstraints.push_back(sc);
}
bool zigzag(const EdgePoint* a, const Segment* s) {
COLA_UNUSED(a);
if(s!=NULL) {
COLA_ASSERT(!sameCorner(a,s->end));
}
return false;
}
void ClusterContainmentConstraints::generateVariables(const vpsc::Dim dim,
vpsc::Variables& vars)
{
COLA_UNUSED(dim);
COLA_UNUSED(vars);
}
// Processes sweep events used to determine each horizontal and vertical
// line segment in a connector's channel of visibility.
// Four calls to this function are made at each position by the scanline:
// 1) Handle all Close event processing.
// 2) Remove Close event objects from the scanline.
// 3) Add Open event objects to the scanline.
// 4) Handle all Open event processing.
//
static void processShiftEvent(NodeSet& scanline, Event *e, size_t dim,
unsigned int pass)
{
Node *v = e->v;
if ( ((pass == 3) && (e->type == Open)) ||
((pass == 3) && (e->type == SegOpen)) )
{
std::pair<NodeSet::iterator, bool> result = scanline.insert(v);
v->iter = result.first;
COLA_ASSERT(result.second);
NodeSet::iterator it = v->iter;
// Work out neighbours
if (it != scanline.begin())
{
Node *u = *(--it);
v->firstAbove = u;
u->firstBelow = v;
}
it = v->iter;
if (++it != scanline.end())
{
Node *u = *it;
v->firstBelow = u;
u->firstAbove = v;
}
}
if ( ((pass == 4) && (e->type == Open)) ||
((pass == 4) && (e->type == SegOpen)) ||
((pass == 1) && (e->type == SegClose)) ||
((pass == 1) && (e->type == Close)) )
{
if (v->ss)
{
// As far as we can see.
double minLimit = v->firstObstacleAbove(dim);
double maxLimit = v->firstObstacleBelow(dim);
v->ss->minSpaceLimit =
std::max(minLimit, v->ss->minSpaceLimit);
v->ss->maxSpaceLimit =
std::min(maxLimit, v->ss->maxSpaceLimit);
}
else
{
v->markShiftSegmentsAbove(dim);
v->markShiftSegmentsBelow(dim);
}
}
if ( ((pass == 2) && (e->type == SegClose)) ||
((pass == 2) && (e->type == Close)) )
{
// Clean up neighbour pointers.
Node *l = v->firstAbove, *r = v->firstBelow;
if (l != NULL)
{
l->firstBelow = v->firstBelow;
}
if (r != NULL)
{
r->firstAbove = v->firstAbove;
}
size_t result;
result = scanline.erase(v);
COLA_ASSERT(result == 1);
COLA_UNUSED(result); // Avoid warning.
delete v;
}
}
void NonOverlapConstraints::generateVariables(const vpsc::Dim dim,
vpsc::Variables& vars)
{
COLA_UNUSED(dim);
COLA_UNUSED(vars);
}
