/*
* GeoTools - The Open Source Java GIS Toolkit
* http://geotools.org
*
* (C) 2002-2008, Open Source Geospatial Foundation (OSGeo)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License.
*
* This library 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
* Lesser General Public License for more details.
*/
package org.geotools.renderer.shape;
import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.Frame;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.GraphicsEnvironment;
import java.awt.Panel;
import java.awt.Shape;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.awt.geom.GeneralPath;
import java.awt.geom.PathIterator;
import junit.framework.TestCase;
import org.geotools.data.shapefile.shp.ShapeType;
import com.vividsolutions.jts.geom.Envelope;
/**
* Test The PolygonShape class
*
* @author jeichar
*
* @since 2.1.x
*
* @source $URL$
*/
public class PolygonShapeTest extends TestCase {
private static final boolean DISPLAY = false;
public static void testPolygonWithHoles() throws Exception {
double[] coord1 = new double[] {
0.0, 0.0, 0.0, 200.0, 200, 200.0, 200.0, 0.0, 0.0, 0.0
};
double[] coord2 = new double[] {
50.0, 50.0, 50.0, 150.0, 150.0, 150.0, 150.0, 50.0
};
double[][] coords = new double[][] { coord1, coord2 };
SimpleGeometry geom = new SimpleGeometry(ShapeType.ARC, coords,
new Envelope(0, 15, 0, 15));
final PolygonShape shape = new PolygonShape(geom);
PathIterator i = shape.getPathIterator(null);
double[] tmp = new double[6];
int result = i.currentSegment(tmp);
assertFalse(i.isDone());
assertEquals(0.0, tmp[0], 0.001);
assertEquals(0.0, tmp[1], 0.001);
assertEquals(PathIterator.SEG_MOVETO, result);
i.next();
tmp = new double[6];
result = i.currentSegment(tmp);
assertFalse(i.isDone());
assertEquals(0.0, tmp[0], 0.001);
assertEquals(200.0, tmp[1], 0.001);
assertEquals(PathIterator.SEG_LINETO, result);
i.next();
tmp = new double[6];
result = i.currentSegment(tmp);
assertFalse(i.isDone());
assertEquals(200.0, tmp[0], 0.001);
assertEquals(200.0, tmp[1], 0.001);
assertEquals(PathIterator.SEG_LINETO, result);
i.next();
tmp = new double[6];
result = i.currentSegment(tmp);
assertFalse(i.isDone());
assertEquals(200.0, tmp[0], 0.001);
assertEquals(0.0, tmp[1], 0.001);
assertEquals(PathIterator.SEG_LINETO, result);
i.next();
tmp = new double[6];
result = i.currentSegment(tmp);
assertFalse(i.isDone());
assertEquals(0.0, tmp[0], 0.001);
assertEquals(0.0, tmp[1], 0.001);
assertEquals(PathIterator.SEG_CLOSE, result);
i.next();
tmp = new double[6];
result = i.currentSegment(tmp);
assertFalse(i.isDone());
assertEquals(50.0, tmp[0], 0.001);
assertEquals(50.0, tmp[1], 0.001);
assertEquals(PathIterator.SEG_MOVETO, result);
i.next();
tmp = new double[6];
result = i.currentSegment(tmp);
assertFalse(i.isDone());
assertEquals(50.0, tmp[0], 0.001);
assertEquals(150.0, tmp[1], 0.001);
assertEquals(PathIterator.SEG_LINETO, result);
i.next();
tmp = new double[6];
result = i.currentSegment(tmp);
assertFalse(i.isDone());
assertEquals(150.0, tmp[0], 0.001);
assertEquals(150.0, tmp[1], 0.001);
assertEquals(PathIterator.SEG_LINETO, result);
i.next();
tmp = new double[6];
result = i.currentSegment(tmp);
// assertFalse( i.isDone() );
assertEquals(150.0, tmp[0], 0.001);
assertEquals(50.0, tmp[1], 0.001);
assertEquals(PathIterator.SEG_CLOSE, result);
if (DISPLAY) {
display("Holes", shape, 500, 500);
}
}
public static void testMultiPolygonNoOverlap() throws Exception {
double[] coord1 = new double[] {
0.0, 0.0, 0.0, 100.0, 100, 100.0, 100.0, 0.0, 0.0, 0.0
};
double[] coord2 = new double[] {
150.0, 150.0, 150.0, 250.0, 250.0, 250.0, 250.0, 150.0
};
double[][] coords = new double[][] { coord1, coord2 };
SimpleGeometry geom = new SimpleGeometry(ShapeType.ARC, coords,
new Envelope(0, 15, 0, 15));
final PolygonShape shape = new PolygonShape(geom);
if (DISPLAY) {
display("MultiNoOverlap", shape, 500, 500);
}
}
public static void testMultiPolygonOverlap() throws Exception {
double[] coord1 = new double[] {
0.0, 0.0, 0.0, 100.0, 100, 100.0, 100.0, 0.0, 0.0, 0.0
};
double[] coord2 = new double[] {
50.0, 50.0, 50.0, 250.0, 250.0, 250.0, 250.0, 50.0
};
double[][] coords = new double[][] { coord1, coord2 };
SimpleGeometry geom = new SimpleGeometry(ShapeType.ARC, coords,
new Envelope(0, 15, 0, 15));
final PolygonShape shape = new PolygonShape(geom);
if (DISPLAY) {
display("MultiOverlap", shape, 500, 500);
}
}
public void testPolygonPoint() throws InterruptedException {
if (!DISPLAY) {
return;
}
final GeneralPath shape = new GeneralPath();
shape.moveTo(10.1f, 10.1f);
shape.lineTo(10.2f, 10.1f);
shape.lineTo(10.2f, 10.2f);
shape.lineTo(10.1f, 10.2f);
shape.lineTo(10.1f, 10.1f);
Frame frame = new Frame("");
frame.addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
e.getWindow().dispose();
}
});
Panel p = new Panel() {
/** <code>serialVersionUID</code> field */
private static final long serialVersionUID = 1L;
public void paint(Graphics g) {
Graphics2D g2 = (Graphics2D) g;
g2.setPaint(Color.BLUE);
g2.setStroke(new BasicStroke(1));
(g2).fill(shape);
g2.setPaint(Color.BLACK);
(g2).draw(shape);
}
};
frame.add(p);
frame.setSize(100, 100);
frame.setVisible(true);
Thread.sleep(1000);
}
public static Frame display(String testName, final Shape shape, int w, int h)
throws Exception {
if (GraphicsEnvironment.isHeadless()) {
return null;
}
Frame frame = new Frame(testName);
frame.addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
e.getWindow().dispose();
}
});
Panel p = new Panel() {
/** <code>serialVersionUID</code> field */
private static final long serialVersionUID = 1L;
public void paint(Graphics g) {
Graphics2D g2 = (Graphics2D) g;
g2.setPaint(Color.BLUE);
(g2).fill(shape);
g2.setPaint(Color.BLACK);
(g2).draw(shape);
}
};
frame.add(p);
frame.setSize(w, h);
frame.setVisible(true);
Thread.sleep(1000);
return frame;
}
}