package org.opentrafficsim.base.geometry;
   
   import java.util.Iterator;
   
   import org.djutils.draw.Transform2d;
   import org.djutils.draw.line.PolyLine2d;
   import org.djutils.draw.line.Polygon2d;
   import org.djutils.draw.point.OrientedPoint2d;
   import org.djutils.draw.point.Point2d;
  
  /**
   * Bounds defined by a polygon.
   * <p>
   * Copyright (c) 2024-2024 Delft University of Technology, PO Box 5, 2600 AA, Delft, the Netherlands. All rights reserved. <br>
   * BSD-style license. See <a href="https://opentrafficsim.org/docs/license.html">OpenTrafficSim License</a>.
   * </p>
   * @author <a href="https://github.com/wjschakel">Wouter Schakel</a>
   */
  public class BoundingPolygon implements OtsBounds2d
  {
  
      /** Polygon. */
      private final Polygon2d polygon;
  
      /**
       * Constructor.
       * @param polygon Polygon2d; polygon.
       */
      public BoundingPolygon(final Polygon2d polygon)
      {
          this.polygon = polygon;
      }
  
      /** {@inheritDoc} */
      @Override
      public Polygon2d asPolygon()
      {
          return this.polygon;
      }
  
      /**
       * Translates absolute geometry to bounds relative to location, including rotation.
       * @param location OrientedPoint2d; location.
       * @param geometry PolyLine2d; geometry..
       * @return BoundingPolygon; bounded polygon.
       */
      public static BoundingPolygon geometryToBounds(final OrientedPoint2d location, final PolyLine2d geometry)
      {
          Transform2d transformation = OtsRenderable.toBoundsTransform(location);
          Iterator<Point2d> itSource = geometry.getPoints();
          Iterator<Point2d> itTarget = new Iterator<>()
          {
              /** {@inheritDoc} */
              @Override
              public boolean hasNext()
              {
                  return itSource.hasNext();
              }
  
              /** {@inheritDoc} */
              @Override
              public Point2d next()
              {
                  return transformation.transform(itSource.next());
              }
          };
          BoundingPolygon b = new BoundingPolygon(new Polygon2d(itTarget));
          return b;
      }
  
  }