2 * Copyright (c) 2010-2022 Contributors to the openHAB project
4 * See the NOTICE file(s) distributed with this work for additional
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
11 * SPDX-License-Identifier: EPL-2.0
13 package org.openhab.binding.nanoleaf.internal.layout.shape;
15 import java.awt.Graphics2D;
16 import java.awt.geom.Rectangle2D;
17 import java.util.Arrays;
18 import java.util.List;
20 import org.eclipse.jdt.annotation.NonNullByDefault;
21 import org.openhab.binding.nanoleaf.internal.layout.Point2D;
22 import org.openhab.binding.nanoleaf.internal.layout.ShapeType;
27 * @author Jørgen Austvik - Initial contribution
30 public class Triangle extends Shape {
31 public Triangle(ShapeType shapeType, int panelId, Point2D position, int orientation) {
32 super(shapeType, panelId, position, orientation);
36 public List<Point2D> generateOutline() {
37 int height = (int) (getShapeType().getSideLength() * Math.sqrt(3) / 2);
40 v1 = new Point2D(0, height * 2 / 3);
42 v1 = new Point2D(0, -height * 2 / 3);
45 Point2D v2 = v1.rotate((2.0 / 3.0) * Math.PI);
46 Point2D v3 = v1.rotate((-2.0 / 3.0) * Math.PI);
47 return Arrays.asList(v1.move(getPosition()), v2.move(getPosition()), v3.move(getPosition()));
51 public Point2D labelPosition(Graphics2D graphics, List<Point2D> outline) {
52 Point2D[] bounds = findBounds(outline);
53 int midX = bounds[0].getX() + (bounds[1].getX() - bounds[0].getX()) / 2;
54 int midY = bounds[0].getY() + (bounds[1].getY() - bounds[0].getY()) / 2;
56 Rectangle2D rect = graphics.getFontMetrics().getStringBounds(Integer.toString(getPanelId()), graphics);
57 return new Point2D(midX - (int) (rect.getWidth() / 2), midY - (int) (rect.getHeight() / 2));
60 private boolean pointsUp() {
61 // Upward: even multiple of 60 degrees rotation
62 return ((getOrientation() / 60) % 2) == 0;