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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 square shape.
  27  *
  28  * @author Jørgen Austvik - Initial contribution
  29  */
  30 @NonNullByDefault
  31 public class Square extends Shape {
  32     public Square(ShapeType shapeType, int panelId, Point2D position, int orientation) {
  33         super(shapeType, panelId, position, orientation);
  34     }
  35
  36     @Override
  37     public List<Point2D> generateOutline() {
  38         int sideLength = (int) getShapeType().getSideLength();
  39
  40         Point2D current = getPosition();
  41         Point2D corner2 = new Point2D(current.getX() + sideLength, current.getY());
  42         Point2D corner3 = new Point2D(current.getX() + sideLength, current.getY() + sideLength);
  43         Point2D corner4 = new Point2D(current.getX(), current.getY() + sideLength);
  44         return Arrays.asList(getPosition(), corner2, corner3, corner4);
  45     }
  46
  47     @Override
  48     protected ImagePoint2D labelPosition(Graphics2D graphics, List<ImagePoint2D> outline) {
  49         // Center of square is average of oposite corners
  50         ImagePoint2D p0 = outline.get(0);
  51         ImagePoint2D p2 = outline.get(2);
  52
  53         Rectangle2D rect = graphics.getFontMetrics().getStringBounds(Integer.toString(getPanelId()), graphics);
  54
  55         return new ImagePoint2D((p0.getX() + p2.getX()) / 2 - (int) (rect.getWidth() / 2),
  56                 (p0.getY() + p2.getY()) / 2 + (int) (rect.getHeight() / 2));
  57     }
  58 }