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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.Color;
  16 import java.awt.Graphics2D;
  17 import java.awt.Polygon;
  18 import java.util.List;
  19
  20 import org.eclipse.jdt.annotation.NonNullByDefault;
  21 import org.openhab.binding.nanoleaf.internal.layout.DrawingSettings;
  22 import org.openhab.binding.nanoleaf.internal.layout.ImagePoint2D;
  23 import org.openhab.binding.nanoleaf.internal.layout.PanelState;
  24 import org.openhab.binding.nanoleaf.internal.layout.Point2D;
  25 import org.openhab.binding.nanoleaf.internal.layout.ShapeType;
  26 import org.openhab.core.library.types.HSBType;
  27
  28 /**
  29  * Draws shapes, which are panels with a single LED.
  30  *
  31  * @author Jørgen Austvik - Initial contribution
  32  */
  33 @NonNullByDefault
  34 public abstract class Shape extends Panel {
  35
  36     private final Point2D position;
  37     private final int orientation;
  38     private final int panelId;
  39
  40     public Shape(ShapeType shapeType, int panelId, Point2D position, int orientation) {
  41         super(shapeType);
  42         this.position = position;
  43         this.orientation = orientation;
  44         this.panelId = panelId;
  45     }
  46
  47     public Point2D getPosition() {
  48         return position;
  49     }
  50
  51     public int getOrientation() {
  52         return orientation;
  53     };
  54
  55     protected int getPanelId() {
  56         return panelId;
  57     }
  58
  59     @Override
  60     public abstract List<Point2D> generateOutline();
  61
  62     /**
  63      * @param graphics The picture to draw on
  64      * @param outline Outline of the shape to draw inside
  65      * @return The position where the label of the shape should be placed
  66      */
  67     protected abstract ImagePoint2D labelPosition(Graphics2D graphics, List<ImagePoint2D> outline);
  68
  69     @Override
  70     public void draw(Graphics2D graphics, DrawingSettings settings, PanelState state) {
  71         List<ImagePoint2D> outline = settings.generateImagePoints(generateOutline());
  72
  73         Polygon p = new Polygon();
  74         for (int i = 0; i < outline.size(); i++) {
  75             ImagePoint2D pos = outline.get(i);
  76             p.addPoint(pos.getX(), pos.getY());
  77         }
  78
  79         HSBType color = state.getHSBForPanel(getPanelId());
  80         graphics.setColor(new Color(color.getRGB()));
  81         if (settings.shouldFillWithColor()) {
  82             graphics.fillPolygon(p);
  83         }
  84
  85         if (settings.shouldDrawOutline()) {
  86             graphics.setColor(settings.getOutlineColor());
  87             graphics.drawPolygon(p);
  88         }
  89
  90         if (settings.shouldDrawLabels()) {
  91             graphics.setColor(settings.getLabelColor());
  92             ImagePoint2D textPos = labelPosition(graphics, outline);
  93             graphics.drawString(Integer.toString(getPanelId()), textPos.getX(), textPos.getY());
  94         }
  95     }
  96 }