/*
* GeoTools - The Open Source Java GIS Toolkit
* http://geotools.org
*
* (C) 2011, 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.swing.tool;
import java.awt.Point;
import java.awt.Rectangle;
import java.awt.geom.AffineTransform;
import java.awt.geom.Rectangle2D;
import org.geotools.geometry.jts.ReferencedEnvelope;
import org.geotools.map.Layer;
import org.geotools.swing.event.MapPaneEvent;
import org.geotools.swing.testutils.GraphicsTestRunner;
import org.geotools.swing.testutils.TestDataUtils;
import org.fest.swing.core.MouseButton;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import static org.junit.Assert.*;
/**
* Tests for the zoom-in cursor tool.
*
* @author Michael Bedward
* @since 8.0
* @source $URL$
* @version $Id$
*/
@RunWith(GraphicsTestRunner.class)
public class ZoomInToolTest extends CursorToolTestBase {
private ZoomInTool tool;
@Before
public void setup() {
tool = new ZoomInTool();
}
@Test
public void clickZoomAtCentreOfMap() throws Exception {
ReferencedEnvelope startEnv = mapPane.getDisplayArea();
mapPane.setCursorTool(tool);
listener.setExpected(MapPaneEvent.Type.DISPLAY_AREA_CHANGED);
mapPaneFixture.click();
assertTrue( listener.await(MapPaneEvent.Type.DISPLAY_AREA_CHANGED, EVENT_TIMEOUT) );
ReferencedEnvelope endEnv = mapPane.getDisplayArea();
double xZoom = startEnv.getWidth() / endEnv.getWidth();
double yZoom = startEnv.getHeight() / endEnv.getHeight();
assertEquals(AbstractZoomTool.DEFAULT_ZOOM_FACTOR, xZoom, TOL);
assertEquals(AbstractZoomTool.DEFAULT_ZOOM_FACTOR, yZoom, TOL);
}
@Test
public void zoomInToolSupportsDragging() throws Exception {
assertTrue(tool.drawDragBox());
}
/*
* Note: this test relies on the map pane being displayed with equal
* width and height
*/
@Test
public void drawBoxToZoom() throws Exception {
mapPane.setCursorTool(tool);
Rectangle dragBoxRect = new Rectangle(
SCREEN.width / 4, SCREEN.height / 4,
SCREEN.width / 2, SCREEN.height / 2);
AffineTransform startTransform = mapPane.getScreenToWorldTransform();
Rectangle2D expectedRect = startTransform.createTransformedShape(dragBoxRect).getBounds2D();
ReferencedEnvelope expectedEnv = new ReferencedEnvelope(expectedRect,
mapPane.getDisplayArea().getCoordinateReferenceSystem());
Point screenPos = mapPaneFixture.component().getLocationOnScreen();
Point mouseStartPos = new Point(
screenPos.x + dragBoxRect.x,
screenPos.y + dragBoxRect.y);
Point mouseEndPos = new Point(
screenPos.x + (int) dragBoxRect.getMaxX(),
screenPos.y + (int) dragBoxRect.getMaxY());
listener.setExpected(MapPaneEvent.Type.DISPLAY_AREA_CHANGED);
mapPaneFixture.robot.pressMouse(mouseStartPos, MouseButton.LEFT_BUTTON);
mapPaneFixture.robot.moveMouse(mouseEndPos);
mapPaneFixture.robot.releaseMouseButtons();
assertTrue( listener.await(MapPaneEvent.Type.DISPLAY_AREA_CHANGED, EVENT_TIMEOUT) );
assertTrue(expectedEnv.boundsEquals2D(mapPane.getDisplayArea(), TOL));
}
@Override
protected Layer getTestLayer() throws Exception {
return TestDataUtils.getPointLayer();
}
}