int getArrowPioner(Point locate)
{
for (int i = 0; i < skillList.Count; i++)
{
var currTail = skillList[i].getTail;
foreach (int ed in currTail)
{
if (Geom.pointInArrowHand(locate, Geom.getArrowHead(circleCenter[i], circleCenter[ed], size_circle)))
{
return(i);
}
}
}
return(selectedId_None);
}
private void DrawArrow(PointF _st, PointF _ed, DrawStyle start)
{
Point st = Point.Round(_st);
Point ed = Point.Round(_ed);
int length = Geom.Distance(st, ed);
if (length <= size_circle * 2)
{
return;
}
Point[] pointList = Geom.getArrowHead(st, ed, size_circle);
Geom.scaleLine(ref st, ref ed, size_circle);
if (start.ArrowLine.IsEmpty == false)
{
Pen edPen = new Pen(start.ArrowLine);
edPen.Width = lineW;
buffer.DrawLine(edPen, st, pointList[0]);
}
DrawArrow(pointList, start);
}