public void AddElement(OECPElement ele)
{
//todo:加入栈中，实现撤销重做
ele.Layer = this;
this.Elements.Add(ele);
this.ElementMap.Add(ele.Eid, ele);
}
public OECPElement SearchForHighLight(float x, float y, bool setHighLight = true)
{
if (Elements.Count == 0)
{
return(OECPElement.Empty());
}
bool isLine = Elements[0].Type == OECPElement.ElementType.Line;
OECPElement ret = OECPElement.Empty();
foreach (OECPElement ele in Elements)
{
if (isLine)
{
return(new OECPElement());
}
else
{
var vtx = (OECPVertex)ele;
var tole = vtx.BufferTolerance;
if (Math.Abs(vtx.X - x) <= tole &&
Math.Abs(vtx.Y - y) <= tole)
{
if (setHighLight)
{
vtx.IsHighLight = true;
}
ret = vtx;
break;
}
else
{
vtx.IsHighLight = false;
}
}
}
return(ret);
}