void Edge::adjust()
{
if (!source || !dest)
return;
QRectF srect = source->boundingRect();
QRectF drect = dest->boundingRect();
QLineF line(mapFromItem(source, srect.width() / 2, srect.height() / 2),
mapFromItem(dest, drect.width() / 2, drect.height() / 2));
qreal length = line.length();
prepareGeometryChange();
if (length > qreal(40.)) {
qreal line_angle = line.angle();
qreal angle = line_angle > 90. ? fmod(line_angle, 90.0) : line_angle;
qreal dist = qMax(angle, 45.0) - qMin(angle, 45.0);
dist += 80.0 - dist;
QPointF edgeOffset((line.dx() * dist) / length, (line.dy() * dist) / length);
sourcePoint = line.p1() + edgeOffset;
destPoint = line.p2() - edgeOffset;
qreal new_angle = QLineF(sourcePoint, destPoint).angle();
if (qAbs(new_angle - line_angle) > 90.)
sourcePoint = destPoint = line.p1();
} else {
sourcePoint = destPoint = line.p1();
}
}
void GEdge::adjust()
{
if (!source || !dest)
return;
QLineF * line = new QLineF (source->x(), source->y(),
dest->x(), dest->y());
qreal length = line->length();
prepareGeometryChange();
if (length > qreal(20.)) {
QPointF edgeOffset((line->dx() * 10) / length, (line->dy() * 10) / length);
if (is_from_dummy_node)
sourcePoint = line->p1();
else
sourcePoint = line->p1() + edgeOffset;
if (is_to_dummy_node)
destPoint = line->p2();
else
destPoint = line->p2() - edgeOffset;
} else {
sourcePoint = destPoint = line->p1();
}
}
/**
* Labels the edges of the given graph using Par and Low values.
* Edge labels are stored in the graph itself as values for each edge in the CSR representation
*/
void labelEdges(Graph *graph, int *Par, int *Low) {
#pragma omp parallel for schedule(static)
for(int u = 0; u < graph->numVertices; u++) {
int uLow = Low[u];
int uPar = Par[u];
int start = edgeOffset(graph, u);
int end = edgeOffset(graph, u + 1);
for(int i = start; i < end; i++) {
int v = graph->edgeArray[i];
if(Low[v] == uLow || uPar == v) {
graph->edgeLabels[i] = uLow;
} else {
graph->edgeLabels[i] = Low[v];
}
}
}
}
void Edge::adjust()
{
if (!source || !dest)
return;
QPointF pStart = mapFromItem(source, 0, 0);
QPointF pEnd = mapFromItem(dest, 0, 0);
QRectF sourceBounds = source->boundingRect();
QRectF destBounds = dest->boundingRect();
//move points to middle of boundingboxes
pStart.setX(pStart.x() + source->boundingRect().width()/2);
pEnd.setX(pEnd.x() + dest->boundingRect().width()/2);
pStart.setY(pStart.y() + source->boundingRect().height()/2);
pEnd.setY(pEnd.y() + dest->boundingRect().height()/2);
//adjust docking edges relative to point positions
if (abs(pStart.y() - pEnd.y()) < destBounds.height()+30.f)//start and end are approximately at same height
{
if (pStart.x() > pEnd.x()) //start is to the right of end
{
pStart.setX(pStart.x()-sourceBounds.width()/2);
pEnd.setX(pEnd.x()+destBounds.width()/2);
}
else //start is to the left of end
{
pStart.setX(pStart.x()+sourceBounds.width()/2);
pEnd.setX(pEnd.x()-destBounds.width()/2);
}
}
else if (pStart.y() > pEnd.y())//start is over end
{
pStart.setY(pStart.y()-sourceBounds.height()/2);
pEnd.setY(pEnd.y()+destBounds.height()/2);
}
else //start is under end
{
pStart.setY(pStart.y()+sourceBounds.height()/2);
pEnd.setY(pEnd.y()-destBounds.height()/2);
}
QLineF line(pStart, pEnd);
qreal length = line.length();
prepareGeometryChange();
if (length > qreal(20.)) {
QPointF edgeOffset((line.dx() * 10) / length, (line.dy() * 10) / length);
sourcePoint = line.p1() + edgeOffset;
destPoint = line.p2() - edgeOffset;
} else {
sourcePoint = destPoint = line.p1();
}
}
void Connection::resizeLine()
{
QLineF line( mapFromItem( m_fromNode, 0, 0 ), mapFromItem( m_toNode, 0, 0 ) );
const qreal length = line.length();
QPointF edgeOffset(( line.dx() * 10 ) / length, ( line.dy() * 10 ) / length );
prepareGeometryChange(); //prepareGeometryChange() will call update() if this is necessary
m_sourcePoint = line.p1() + edgeOffset;
m_destPoint = line.p2() - edgeOffset;
}
void Edge::adjust()
{
if (!source || !dest)
return;
QLineF line(mapFromItem(source, 0, 0), mapFromItem(dest, 0, 0));
qreal length = line.length();
QPointF edgeOffset((line.dx() * 30) / length, (line.dy() * 30) / length);
prepareGeometryChange();
sourcePoint = line.p1() + edgeOffset;
destPoint = line.p2() - edgeOffset;
}
void Edge::adjust()
{
/// sourcePoint=source->myPos;
/// NOTE: mapfrom Item is the key;)
QLineF line(mapFromItem(source, 0, 0), mapFromItem(dest, 0, 0));
//QLineF line(sourcePoint,destPoint);
qreal length = line.length();
QPointF edgeOffset((line.dx() * 3) / length, (line.dy() * 3) / length);
//prepareGeometryChange();
update();
sourcePoint = line.p1() ;//+ edgeOffset;
destPoint = line.p2() ;//- edgeOffset;
}
void Edge::adjust()
{
if (!source || !dest)
return;
QLineF line(mapFromItem(source, 0, 0), mapFromItem(dest, 0, 0));
qreal length = line.length();
prepareGeometryChange();
if (!qFuzzyCompare(length, qreal(0.0))) {
QPointF edgeOffset((line.dx() * 10) / length, (line.dy() * 10) / length);
sourcePoint = line.p1() + edgeOffset;
destPoint = line.p2() - edgeOffset;
} else {
sourcePoint = destPoint = line.p1();
}
}
void GraphicsEdge<GNode>::adjust()
{
if (!this->startN || !this->endN)
return;
QLineF line(mapFromItem(this->startN, 0, 0), mapFromItem(this->endN, 0, 0));
qreal length = line.length();
prepareGeometryChange();
if (length > qreal(20.)) {
QPointF edgeOffset((line.dx() * 10) / length, (line.dy() * 10) / length);
startPoint = line.p1() + edgeOffset;
endPoint = line.p2() - edgeOffset;
} else {
startPoint = endPoint = line.p1();
}
}
void Edge::adjust()
{
if (!srcN_ || !tarN_)
return;
QLineF line(mapFromItem(srcN_, 0, 0), mapFromItem(tarN_, 0, 0));
qreal length = line.length();
prepareGeometryChange();
if (length > qreal(20.)) {
QPointF edgeOffset((line.dx() * 37) / length, (line.dy() * 12) / length);
srcP_ = line.p1() + edgeOffset;
tarP_ = line.p2() - edgeOffset;
} else {
srcP_ = tarP_ = line.p1();
}
}
void WGraphicsArrowItem::adjust()
{
if (!m_startNode || !m_endNode)
return;
QLineF line(mapFromItem(m_startNode, 0, 0), mapFromItem(m_endNode, 0, 0));
qreal length = line.length();
prepareGeometryChange();
if (length > m_minDisplayableSize) {
QPointF edgeOffset((line.dx() * 10) / length, (line.dy() * 10) / length);
m_line.setP1(line.p1() + edgeOffset);
m_line.setP2(line.p2() - edgeOffset);
} else {
m_line.setPoints(line.p1(), line.p1());
}
}
void Edge::adjust()
{
if (!source || !dest)
return;
QLineF line(mapFromItem(source, 0, 0), mapFromItem(dest, 0, 0));
qreal length = line.length();
prepareGeometryChange();
int ballSize = source->getBallSize();
if (length > qreal(ballSize)) {
QPointF edgeOffset((line.dx() * ballSize/2) / length, (line.dy() * ballSize/2) / length);
sourcePoint = line.p1() + edgeOffset;
destPoint = line.p2() - edgeOffset;
} else {
sourcePoint = destPoint = line.p1();
}
}
