/*
* Copyright (c) 2016 Vivid Solutions.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* and Eclipse Distribution License v. 1.0 which accompanies this distribution.
* The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
* and the Eclipse Distribution License is available at
*
* http://www.eclipse.org/org/documents/edl-v10.php.
*/
package org.locationtech.jtstest.testbuilder.topostretch;
import java.util.*;
import org.locationtech.jts.geom.*;
import org.locationtech.jts.geom.util.*;
public class GeometryVerticesMover
{
public static Geometry move(Geometry geom, Map moves)
{
GeometryVerticesMover mover = new GeometryVerticesMover(geom, moves);
return mover.move();
}
private Geometry geom;
private Map moves;
private List modifiedCoords = new ArrayList();
public GeometryVerticesMover(Geometry geom, Map moves)
{
this.geom = geom;
this.moves = moves;
}
public Geometry move()
{
GeometryEditor editor = new GeometryEditor();
MoveVerticesOperation op = new MoveVerticesOperation(moves);
Geometry movedGeom = editor.edit(geom, new MoveVerticesOperation(moves));
return movedGeom;
}
public List getModifiedCoordinates()
{
return modifiedCoords;
}
private class MoveVerticesOperation
extends GeometryEditor.CoordinateOperation
{
private Map moves;
public MoveVerticesOperation(Map moves)
{
this.moves = moves;
}
public Coordinate[] edit(Coordinate[] coords,
Geometry geometry)
{
Coordinate[] newPts = new Coordinate[coords.length];
for (int i = 0; i < coords.length; i++) {
newPts[i] = movedPt(coords[i]);
}
return newPts;
}
private Coordinate movedPt(Coordinate orig)
{
Coordinate newLoc = (Coordinate) moves.get(orig);
if (newLoc == null)
return orig;
Coordinate mod = (Coordinate) newLoc.clone();
modifiedCoords.add(mod);
return mod;
}
}
}