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1 /**
2  * Copyright (c) 2010-2023 Contributors to the openHAB project
3  *
4  * See the NOTICE file(s) distributed with this work for additional
5  * information.
6  *
7  * This program and the accompanying materials are made available under the
8  * terms of the Eclipse Public License 2.0 which is available at
9  * http://www.eclipse.org/legal/epl-2.0
10  *
11  * SPDX-License-Identifier: EPL-2.0
12  */
13 package org.openhab.binding.nanoleaf.internal.layout.shape;
14
15 import java.awt.Graphics2D;
16 import java.awt.geom.Rectangle2D;
17 import java.util.Arrays;
18 import java.util.List;
19
20 import org.eclipse.jdt.annotation.NonNullByDefault;
21 import org.openhab.binding.nanoleaf.internal.layout.ImagePoint2D;
22 import org.openhab.binding.nanoleaf.internal.layout.Point2D;
23 import org.openhab.binding.nanoleaf.internal.layout.ShapeType;
24
25 /**
26  * A hexagon shape.
27  *
28  * @author Jørgen Austvik - Initial contribution
29  */
30 @NonNullByDefault
31 public class Hexagon extends Shape {
32
33     public Hexagon(ShapeType shapeType, int panelId, Point2D position, int orientation) {
34         super(shapeType, panelId, position, orientation);
35     }
36
37     @Override
38     public List<Point2D> generateOutline() {
39         Point2D v1 = new Point2D((int) getShapeType().getSideLength(), 0);
40         Point2D v2 = v1.rotate((1.0 / 3.0) * Math.PI);
41         Point2D v3 = v1.rotate((2.0 / 3.0) * Math.PI);
42         Point2D v4 = v1.rotate((3.0 / 3.0) * Math.PI);
43         Point2D v5 = v1.rotate((4.0 / 3.0) * Math.PI);
44         Point2D v6 = v1.rotate((5.0 / 3.0) * Math.PI);
45         return Arrays.asList(v1.move(getPosition()), v2.move(getPosition()), v3.move(getPosition()),
46                 v4.move(getPosition()), v5.move(getPosition()), v6.move(getPosition()));
47     }
48
49     @Override
50     protected ImagePoint2D labelPosition(Graphics2D graphics, List<ImagePoint2D> outline) {
51         Point2D[] bounds = findBounds(outline);
52         int midX = bounds[0].getX() + (bounds[1].getX() - bounds[0].getX()) / 2;
53         int midY = bounds[0].getY() + (bounds[1].getY() - bounds[0].getY()) / 2;
54
55         Rectangle2D rect = graphics.getFontMetrics().getStringBounds(Integer.toString(getPanelId()), graphics);
56         return new ImagePoint2D(midX - (int) (rect.getWidth() / 2), midY + (int) (rect.getHeight() / 2));
57     }
58 }