Application: gvSIG desktop

/* gvSIG. Geographic Information System of the Valencian Government

*

* Copyright (C) 2007-2008 Infrastructures and Transports Department

* of the Valencian Government (CIT)

* 

* This program is free software; you can redistribute it and/or

* modify it under the terms of the GNU General Public License

* as published by the Free Software Foundation; either version 2

* of the License, or (at your option) any later version.

* 

* This program is distributed in the hope that it will be useful,

* but WITHOUT ANY WARRANTY; without even the implied warranty of

* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

* GNU General Public License for more details.

* 

* You should have received a copy of the GNU General Public License

* along with this program; if not, write to the Free Software

* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, 

* MA  02110-1301, USA.

* 

*/

/*

* AUTHORS (In addition to CIT):

* 2009 {Iver T.I.}   {Task}

*/

package org.gvsig.fmap.geom.primitive;

import java.awt.geom.AffineTransform;

import java.awt.geom.PathIterator;

import junit.framework.Assert;

import junit.framework.TestCase;

import org.gvsig.fmap.geom.GeometryLibrary;

import org.gvsig.fmap.geom.GeometryLocator;

import org.gvsig.fmap.geom.GeometryManager;

import org.gvsig.fmap.geom.Geometry.SUBTYPES;

import org.gvsig.fmap.geom.Geometry.TYPES;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

/**

 * @author <a href="mailto:jpiera@gvsig.org">Jorge Piera</a>

 */

public class CurveTest extends TestCase {

        private GeometryManager manager;

        final static private Logger logger = LoggerFactory.getLogger("org.gvsig");

        static {

                //logger.addAppender(new ConsoleAppender(new SimpleLayout()));

        }

        public void setUp() throws Exception {

                super.setUp();

                GeometryLibrary lib = new GeometryLibrary();                

                lib.initialize();

                lib.postInitialize();

                manager = GeometryLocator.getGeometryManager();

        }

        public void testCreateCurve2D() throws InstantiationException, IllegalAccessException{

                Curve curve = (Curve)manager.create(TYPES.CURVE, SUBTYPES.GEOM2D);

                GeneralPathX generalPathX = new GeneralPathX();

                generalPathX.moveTo(0, 0);

                generalPathX.lineTo(1, 1);

                generalPathX.lineTo(2, 1);                

                curve.setGeneralPath(generalPathX);        

                Assert.assertEquals(0.0, curve.getCoordinateAt(0,0),0);

                Assert.assertEquals(0.0, curve.getCoordinateAt(0,1),0);

                Assert.assertEquals(1.0, curve.getCoordinateAt(1,0),0);

                Assert.assertEquals(1.0, curve.getCoordinateAt(1,1),0);

                Assert.assertEquals(2.0, curve.getCoordinateAt(2,0),0);

                Assert.assertEquals(1.0, curve.getCoordinateAt(2,1),0);

                AffineTransform at = new AffineTransform();

            at.translate(1, 1);

                curve.transform(at);

                Assert.assertEquals(1.0, curve.getCoordinateAt(0,0),0);

                Assert.assertEquals(1.0, curve.getCoordinateAt(0,1),0);

                Assert.assertEquals(2.0, curve.getCoordinateAt(1,0),0);

                Assert.assertEquals(2.0, curve.getCoordinateAt(1,1),0);

                Assert.assertEquals(3.0, curve.getCoordinateAt(2,0),0);

                Assert.assertEquals(2.0, curve.getCoordinateAt(2,1),0);

                PathIterator iterator = curve.getPathIterator(at);

                double[] coords = new double[3];

                int i=0;

                while (!iterator.isDone()){

                        i++;

                        iterator.next();

                        iterator.currentSegment(coords);                        

                }

                Assert.assertEquals(3, i);                

        }

        public void testCreateCurve2DZ() throws InstantiationException, IllegalAccessException{

                Curve curve = (Curve)manager.create(TYPES.CURVE, SUBTYPES.GEOM2DZ);

                GeneralPathX generalPathX = new GeneralPathX();

                generalPathX.moveTo(0, 0);

                generalPathX.lineTo(1, 1);

                generalPathX.lineTo(2, 1);

                curve.setGeneralPath(generalPathX);        

                Assert.assertEquals(0.0, curve.getCoordinateAt(0,0),0);

                Assert.assertEquals(0.0, curve.getCoordinateAt(0,1),0);

                Assert.assertEquals(1.0, curve.getCoordinateAt(1,0),0);

                Assert.assertEquals(1.0, curve.getCoordinateAt(1,1),0);

                Assert.assertEquals(2.0, curve.getCoordinateAt(2,0),0);

                Assert.assertEquals(1.0, curve.getCoordinateAt(2,1),0);

                AffineTransform at = new AffineTransform();

            at.translate(1, 1);

                curve.transform(at);

                Assert.assertEquals(1.0, curve.getCoordinateAt(0,0),0);

                Assert.assertEquals(1.0, curve.getCoordinateAt(0,1),0);

                Assert.assertEquals(2.0, curve.getCoordinateAt(1,0),0);

                Assert.assertEquals(2.0, curve.getCoordinateAt(1,1),0);

                Assert.assertEquals(3.0, curve.getCoordinateAt(2,0),0);

                Assert.assertEquals(2.0, curve.getCoordinateAt(2,1),0);

                PathIterator iterator = curve.getPathIterator(at);

                double[] coords = new double[2];

                int i=0;

                while (!iterator.isDone()){

                        i++;

                        iterator.next();

                        iterator.currentSegment(coords);                        

                }

                Assert.assertEquals(3, i);                

        }

}