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   1 /**
   2  * Copyright (c) 2010-2022 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.Point2D;
  22 import org.openhab.binding.nanoleaf.internal.layout.ShapeType;
  23
  24 /**
  25  * A square shape.
  26  *
  27  * @author Jørgen Austvik - Initial contribution
  28  */
  29 @NonNullByDefault
  30 public class Square extends Shape {
  31     public Square(ShapeType shapeType, int panelId, Point2D position, int orientation) {
  32         super(shapeType, panelId, position, orientation);
  33     }
  34
  35     @Override
  36     public List<Point2D> generateOutline() {
  37         int sideLength = (int) getShapeType().getSideLength();
  38
  39         Point2D current = getPosition();
  40         Point2D corner2 = new Point2D(current.getX() + sideLength, current.getY());
  41         Point2D corner3 = new Point2D(current.getX() + sideLength, current.getY() + sideLength);
  42         Point2D corner4 = new Point2D(current.getX(), current.getY() + sideLength);
  43         return Arrays.asList(getPosition(), corner2, corner3, corner4);
  44     }
  45
  46     @Override
  47     public Point2D labelPosition(Graphics2D graphics, List<Point2D> outline) {
  48         // Center of square is average of oposite corners
  49         Point2D p0 = outline.get(0);
  50         Point2D p2 = outline.get(2);
  51
  52         Rectangle2D rect = graphics.getFontMetrics().getStringBounds(Integer.toString(getPanelId()), graphics);
  53
  54         return new Point2D((p0.getX() + p2.getX()) / 2 - (int) (rect.getWidth() / 2),
  55                 (p0.getY() + p2.getY()) / 2 - (int) (rect.getHeight() / 2));
  56     }
  57 }