void AddSeparationConstraintsForFlatEdges(LayerInfo layerInfo, ISolverShell solver)
{
if (layerInfo != null)
{
foreach (var p in layerInfo.flatEdges)
{
int left, right;
if (LayerArrays.X[p.Item1] < LayerArrays.X[p.Item2])
{
left = p.Item1;
right = p.Item2;
}
else
{
left = p.Item2;
right = p.Item1;
}
if (left == right)
{
continue;
}
double gap = GetGap(left, right);
foreach (IntEdge edge in database.GetMultiedge(p.Item1, p.Item2))
{
solver.AddLeftRightSeparationConstraint(left, right,
gap + NodeSeparation() +
(edge.Edge.Label != null ? edge.Edge.Label.Width : 0));
}
}
}
}
IEnumerable <Label> PairLabels(IntPair intPair)
{
return(from edge in Database.GetMultiedge(intPair)
let label = edge.Edge.Label
where label != null
select label);
}
static double WidthOfSelfEdge(Database database, int i, ref double rightAnchor, ref double topAnchor,
ref double bottomAnchor, SugiyamaLayoutSettings settings) {
double delta = 0;
List<IntEdge> multiedges = database.GetMultiedge(i, i);
//it could be a multiple self edge
if (multiedges.Count > 0) {
foreach (IntEdge e in multiedges)
if (e.Edge.Label != null) {
rightAnchor += e.Edge.Label.Width;
if (topAnchor < e.Edge.Label.Height/2.0)
topAnchor = bottomAnchor = e.Edge.Label.Height/2.0f;
}
delta += (settings.NodeSeparation + settings.MinNodeWidth)*multiedges.Count;
}
return delta;
}
static double SetFlatEdgesLabelsHeightAndPositionts(IntPair pair, double ymax, double dy, Database database) {
double height = 0;
List<IntEdge> list = database.GetMultiedge(pair);
foreach (IntEdge edge in list) {
height += dy;
Label label = edge.Edge.Label;
if (label != null) {
label.Center = new Point(label.Center.X, ymax + height + label.Height/2);
height += label.Height;
}
}
return height;
}
double GetLabelWeight(IntPair intPair)
{
return(Database.GetMultiedge(intPair).Count);
}
IEnumerable <IntEdge> IntEdges()
{
return(from pair in pairArray from edge in Database.GetMultiedge(pair) select edge);
}
