internal void DrawGraph(Graphics g)
{
#region drawing of database for debugging only
#if DEBUGGLEE
Pen myPen = new Pen(System.Drawing.Color.Blue, (float)(1 / 1000.0));
DrawingGraph dg = this.DrawingGraph;
if (dg.DataBase != null)
{
Draw.DrawDataBase(g, myPen, dg);
}
bool debugDrawing = Draw.DrawDebugStuff(g, this, myPen);
if (debugDrawing)
{
return;
}
#endif
#endregion
if (this.drawingGraph.Attr.Border > 0)
{
DrawGraphBorder(this.drawingGraph.Attr.Border, g);
}
bool renderEdgeLabels = this.EdgeLabelsAreRendered;
//we need to draw the edited edges last
DEdge dEdgeSelectedForEditing = null;
foreach (DEdge dEdge in Edges)
{
if (!dEdge.SelectedForEditing)
{
DrawEdge(g, dEdge, renderEdgeLabels);
}
else //there must be no more than one edge selected for editing
{
dEdgeSelectedForEditing = dEdge;
}
}
foreach (DNode dnode in nodeMap.Values)
{
DrawNode(g, dnode);
}
//draw the selected edge
if (dEdgeSelectedForEditing != null)
{
DrawEdge(g, dEdgeSelectedForEditing, renderEdgeLabels);
DrawUnderlyingPolyline(g, dEdgeSelectedForEditing);
}
}
internal void DrawGraph(Graphics g)
{
#region drawing of database for debugging only
#if TEST_MSAGL
Graph dg = DrawingGraph;
if (dg.DataBase != null)
{
var myPen = new Pen(Color.Blue, (float)(1 / 1000.0));
Draw.DrawDataBase(g, myPen, dg);
}
if (NeedToDrawDebugStuff())
{
var myPen = new Pen(Color.Blue, (float)(1 / 1000.0));
Draw.DrawDebugStuff(g, this, myPen);
}
#endif
#endregion
if (drawingGraph.Attr.Border > 0)
{
DrawGraphBorder(drawingGraph.Attr.Border, g);
}
//we need to draw the edited edges last
DEdge dEdgeSelectedForEditing = null;
foreach (var subgraph in drawingGraph.RootSubgraph.AllSubgraphsWidthFirstExcludingSelf())
{
DrawNode(g, nodeMap[subgraph.Id]);
}
foreach (DEdge dEdge in Edges)
{
if (!dEdge.SelectedForEditing)
{
DrawEdge(g, dEdge);
}
else //there must be no more than one edge selected for editing
{
dEdgeSelectedForEditing = dEdge;
}
}
foreach (DNode dnode in nodeMap.Values)
{
if (!(dnode.DrawingNode is Subgraph))
{
DrawNode(g, dnode);
}
}
//draw the selected edge
if (dEdgeSelectedForEditing != null)
{
DrawEdge(g, dEdgeSelectedForEditing);
DrawUnderlyingPolyline(g, dEdgeSelectedForEditing);
}
if (Viewer.SourcePortIsPresent)
{
DrawPortAtLocation(g, Viewer.SourcePortLocation);
}
if (Viewer.TargetPortIsPresent)
{
DrawPortAtLocation(g, Viewer.TargetPortLocation);
}
}
