/**
* Rearranges the atomic entities in this container in a way that connected
* entities are stored in the right order and direction.
* Non-recoursive. Only affects atomic entities in this container.
*
* @retval true all contours were closed
* @retval false at least one contour is not closed
*/
bool RS_ActionPolylineSegment::convertPolyline(RS_Entity* selectedEntity) {
RS_DEBUG->print("RS_ActionPolylineSegment::convertPolyline");
RS_Vector current(false);
RS_Vector start(false);
RS_Vector end(false);
RS_EntityContainer tmp;
bool closed = true;
int pos = container->findEntity(selectedEntity);
RS_Entity* e1=container->entityAt(pos);
if (!e1) return false;
if (document!=NULL) {
document->startUndoCycle();
}
if (document!=NULL) {
if (e1!=NULL && e1->isEdge() && !e1->isContainer() &&
!e1->isProcessed()) {
RS_AtomicEntity* ce = (RS_AtomicEntity*)e1;
///////////////////////////////////////////////////
ce->setUndoState(true);
document->addUndoable(ce);
///////////////////////////////////////////////////
// next contour start:
ce->setProcessed(true);
tmp.addEntity(ce->clone());
current = ce->getStartpoint();
end = ce->getEndpoint();
// find first connected entities:
for (int ei=pos-1; ei>=0; --ei) {
RS_Entity* e2=container->entityAt(ei);
if (e2!=NULL && e2->isEdge() && !e2->isContainer() &&
!e2->isProcessed()) {
RS_AtomicEntity* e = (RS_AtomicEntity*)e2;
///////////////////////////////////////////////////
e->setUndoState(true);
document->addUndoable(e);
///////////////////////////////////////////////////
if (e->getEndpoint().distanceTo(current) <
1.0e-4) {
e->setProcessed(true);
tmp.insertEntity(0,e->clone());
current = e->getStartpoint();
} else if (e->getStartpoint().distanceTo(current) <
1.0e-4) {
e->setProcessed(true);
RS_AtomicEntity* cl = (RS_AtomicEntity*)e->clone();
cl->reverse();
tmp.insertEntity(0,cl);
current = cl->getStartpoint();
}else
break;
}
}
if (current.distanceTo(end)>1.0e-4) {
closed = false;
}
current = ce->getEndpoint();
start = ce->getStartpoint();
// find last connected entities:
for (uint ei=pos+1; ei<container->count(); ++ei) {
RS_Entity* e2=container->entityAt(ei);
///////////////////////////////////////////////////
e2->setUndoState(true);
document->addUndoable(e2);
///////////////////////////////////////////////////
if (e2!=NULL && e2->isEdge() && !e2->isContainer() &&
!e2->isProcessed()) {
RS_AtomicEntity* e = (RS_AtomicEntity*)e2;
if (e->getStartpoint().distanceTo(current) <
1.0e-4) {
e->setProcessed(true);
tmp.addEntity(e->clone());
current = e->getEndpoint();
} else if (e->getEndpoint().distanceTo(current) <
1.0e-4) {
e->setProcessed(true);
RS_AtomicEntity* cl = (RS_AtomicEntity*)e->clone();
cl->reverse();
tmp.addEntity(cl);
current = cl->getEndpoint();
}else
break;
}
}
if (current.distanceTo(start)>1.0e-4) {
closed = false;
}
}
}
if (document!=NULL) {
document->endUndoCycle();
}
RS_Polyline* newPolyline = new RS_Polyline(container, RS_PolylineData(RS_Vector(false), RS_Vector(false), closed));
newPolyline->setLayerToActive();
newPolyline->setPenToActive();
// add new polyline:
bool first = true;
RS_Entity* lastEntity = tmp.lastEntity();
for (RS_Entity* en=tmp.firstEntity(); en!=NULL; en=tmp.nextEntity()) {
en->setProcessed(false);
double bulge = 0.0;
if (en->rtti()==RS2::EntityArc) {
bulge = ((RS_Arc*)en)->getBulge();
} else {
bulge = 0.0;
}
if (first) {
newPolyline->setNextBulge(bulge);
newPolyline->addVertex(((RS_AtomicEntity*)en)->getStartpoint());
first = false;
}
if (en!=lastEntity || closed==false){
newPolyline->setNextBulge(bulge);
newPolyline->addVertex(((RS_AtomicEntity*)en)->getEndpoint());
}
}
double bulge = lastEntity->rtti() == RS2::EntityArc? ((RS_Arc*)lastEntity)->getBulge():0.0;
newPolyline->setNextBulge(bulge);
newPolyline->endPolyline();
container->addEntity(newPolyline);
if (graphicView!=NULL) {
graphicView->drawEntity(newPolyline);
}
if (document!=NULL) {
document->startUndoCycle();
document->addUndoable(newPolyline);
document->endUndoCycle();
}
RS_DEBUG->print("RS_ActionPolylineSegment::convertPolyline: OK");
return closed;
}
