/// <summary>
///
/// </summary>
/// <returns>the height of the graph+spaceBeforeMargins</returns>
internal static void CalcInitialYAnchorLocations(LayerArrays layerArrays, double spaceBeforeMargins,
GeometryGraph originalGraph, Database database,
BasicGraph<IntEdge> intGraph,
SugiyamaLayoutSettings settings,
bool layersAreDoubled) {
Anchor[] anchors = database.Anchors;
double ymax = originalGraph.Margins + spaceBeforeMargins; //setting up y coord - going up by y-layers
int i = 0;
foreach (var yLayer in layerArrays.Layers) {
double bottomAnchorMax = 0;
double topAnchorMax = 0;
foreach (int j in yLayer) {
Anchor p = anchors[j];
if (p.BottomAnchor > bottomAnchorMax)
bottomAnchorMax = p.BottomAnchor;
if (p.TopAnchor > topAnchorMax)
topAnchorMax = p.TopAnchor;
}
MakeVirtualNodesTall(yLayer, bottomAnchorMax, topAnchorMax, originalGraph.Nodes.Count, database.Anchors);
double flatEdgesHeight = SetFlatEdgesForLayer(database, layerArrays, i, intGraph, settings, ymax);
double layerCenter = ymax + bottomAnchorMax + flatEdgesHeight;
double layerTop = layerCenter + topAnchorMax;
if (NeedToSnapTopsToGrid(settings)) {
layerTop += SnapDeltaUp(layerTop, settings.GridSizeByY);
foreach (int j in yLayer) anchors[j].Top = layerTop;
} else if (NeedToSnapBottomsToGrid(settings)) {
double layerBottom = layerCenter - bottomAnchorMax;
layerBottom += SnapDeltaUp(layerBottom, layerBottom);
foreach (int j in yLayer)
{
anchors[j].Bottom = layerBottom;
layerTop = Math.Max(anchors[j].Top, layerTop);
}
}
else foreach (int j in yLayer) anchors[j].Y = layerCenter;
double layerSep = settings.ActualLayerSeparation(layersAreDoubled);
ymax = layerTop + layerSep;
i++;
}
// for the last layer
SetFlatEdgesForLayer(database, layerArrays, i, intGraph, settings, ymax);
}
/// <summary>
///
/// </summary>
/// <returns>the height of the graph+spaceBeforeMargins</returns>
internal static void CalcInitialYAnchorLocations(LayerArrays layerArrays, double spaceBeforeMargins,
GeometryGraph originalGraph, Database database,
BasicGraph<IntEdge> intGraph,
SugiyamaLayoutSettings settings,
bool layersAreDoubled) {
Anchor[] anchors = database.Anchors;
double ymax = originalGraph.Margins + spaceBeforeMargins; //setting up y coord - going up by y-layers
int i = 0;
foreach (var yLayer in layerArrays.Layers) {
double bottomAnchorMax = 0;
double topAnchorMax = 0;
foreach (int j in yLayer) {
Anchor p = anchors[j];
if (p.BottomAnchor > bottomAnchorMax)
bottomAnchorMax = p.BottomAnchor;
if (p.TopAnchor > topAnchorMax)
topAnchorMax = p.TopAnchor;
}
MakeVirtualNodesHigh(yLayer, bottomAnchorMax, topAnchorMax, originalGraph.Nodes.Count, database.Anchors);
double flatEdgesHeight = SetFlatEdgesForLayer(database, layerArrays, i, intGraph, settings, ymax);
double y = ymax + bottomAnchorMax + flatEdgesHeight;
foreach (int j in yLayer)
anchors[j].Y = y;
double layerSep = settings.ActualLayerSeparation(layersAreDoubled);
ymax = y + topAnchorMax + layerSep;
i++;
}
SetFlatEdgesForLayer(database, layerArrays, i, intGraph, settings, ymax);
}