/* uDig - User Friendly Desktop Internet GIS client
* http://udig.refractions.net
* (C) 2004, Refractions Research Inc.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* (http://www.eclipse.org/legal/epl-v10.html), and the Refractions BSD
* License v1.0 (http://udig.refractions.net/files/bsd3-v10.html).
*/
package org.locationtech.udig.tools.edit.support;
import static org.junit.Assert.assertEquals;
import java.awt.geom.AffineTransform;
import org.geotools.referencing.ReferencingFactoryFinder;
import org.geotools.referencing.operation.matrix.GeneralMatrix;
import org.junit.Test;
import org.opengis.referencing.operation.MathTransform;
import com.vividsolutions.jts.geom.Coordinate;
/**
* Test LazyCoord class
* @author jones
* @since 1.1.0
*/
public class LazyCoordTest {
/*
* Test method for 'org.locationtech.udig.tools.edit.support.LazyCoord.get(Point)'
*/
@Test
public void testGet() throws Exception{
MathTransform layerTransform = ReferencingFactoryFinder.getMathTransformFactory(null).createAffineTransform(new GeneralMatrix(new AffineTransform()));
EditBlackboard bb = new EditBlackboard(100,100, new AffineTransform(), layerTransform);
Point startingPoint = Point.valueOf(10,10);
LazyCoord coord=new LazyCoord(startingPoint, bb.toCoord(startingPoint),bb);
Point endPoint = Point.valueOf(20,20);
assertEquals(new Coordinate(20.5, 20.5), coord.get(endPoint));
bb.setToScreenTransform(AffineTransform.getTranslateInstance(2,0));
assertEquals(new Coordinate(18.5, 20.5), coord.get(endPoint));
bb.setToScreenTransform(new AffineTransform());
assertEquals(new Coordinate(20.5, 20.5), coord.get(endPoint));
bb.setToScreenTransform(AffineTransform.getScaleInstance(2,1));
assertEquals(new Coordinate(10.25, 20.5), coord.get(endPoint));
bb.setToScreenTransform(new AffineTransform());
assertEquals(new Coordinate(20.5, 20.5), coord.get(endPoint));
bb.setToScreenTransform(AffineTransform.getScaleInstance(2,1));
assertEquals(new Coordinate(5.25, 10.5), coord.get(Point.valueOf(10,10)));
assertEquals(new Coordinate(10.25, 20.5), coord.get(endPoint));
bb.setToScreenTransform(new AffineTransform());
assertEquals(new Coordinate(20.5, 20.5), coord.get(endPoint));
}
}