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LineIntersectionObject.java

package rene.zirkel.objects;

import rene.zirkel.construction.Construction;
import rene.zirkel.structures.Coordinates;

// file: IntersectionObject.java


public class LineIntersectionObject extends IntersectionObject
{     public LineIntersectionObject (Construction c, 
            PrimitiveLineObject P1, PrimitiveLineObject P2)
      {     super(c,P1,P2);
            validate();
      }
      
      public void updateCircleDep ()
      {     ((PrimitiveLineObject)P1).addDep(this);
            ((PrimitiveLineObject)P2).addDep(this);
      }

      public void validate ()
      {     if (!P1.valid() || !P2.valid()) Valid=false;
            else Valid=true; 
            if (!Valid) return;
            Coordinates c=
                  PrimitiveLineObject.intersect((PrimitiveLineObject)P1,
                              (PrimitiveLineObject)P2);
            if (c==null) { Valid=false; return; }
            X=c.X; Y=c.Y;
            if (Restricted)
            {     if (!((PrimitiveLineObject)P1).contains(X,Y)) Valid=false;
                  else if (!((PrimitiveLineObject)P2).contains(X,Y)) Valid=false;
            }
      }
}

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