/// <summary>
/// 进行矩形划分出任意多个矩形元素
/// </summary>
/// <param name="lines"></param>
/// <returns></returns>
public List <List <Line2D> > Division(List <Line2D> lines)
{
if (lines != null && lines.Count > 4)
{
//首先要把所有的线打断
List <Line2D> decomposesLines = GraphicAlgorithm.Decompose(lines);
//查找最大的封闭区域,且不需要打断
List <List <Line2D> > large = GraphicAlgorithm.ClosedLookup(decomposesLines, true, false);
if (large != null && large.Count > 0)
{
//获取所有外部的线段
List <Line2D> outerSide = large.FirstOrDefault();
//获取所有无端点的线段
List <Line2D> weeds = GraphicAlgorithm.WeedLess(decomposesLines);
//获取内部线段，要去掉
//List<Line2D> innerSide = GraphicAlgorithm.RejectLines(decomposesLines,);
}
}
return(null);
}
