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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 import org.openhab.core.util.ColorUtil;
  28
  29 /**
  30  * Draws shapes, which are panels with a single LED.
  31  *
  32  * @author Jørgen Austvik - Initial contribution
  33  */
  34 @NonNullByDefault
  35 public abstract class Shape extends Panel {
  36
  37     private final Point2D position;
  38     private final int orientation;
  39     private final int panelId;
  40
  41     public Shape(ShapeType shapeType, int panelId, Point2D position, int orientation) {
  42         super(shapeType);
  43         this.position = position;
  44         this.orientation = orientation;
  45         this.panelId = panelId;
  46     }
  47
  48     public Point2D getPosition() {
  49         return position;
  50     }
  51
  52     public int getOrientation() {
  53         return orientation;
  54     };
  55
  56     protected int getPanelId() {
  57         return panelId;
  58     }
  59
  60     @Override
  61     public abstract List<Point2D> generateOutline();
  62
  63     /**
  64      * @param graphics The picture to draw on
  65      * @param outline Outline of the shape to draw inside
  66      * @return The position where the label of the shape should be placed
  67      */
  68     protected abstract ImagePoint2D labelPosition(Graphics2D graphics, List<ImagePoint2D> outline);
  69
  70     @Override
  71     public void draw(Graphics2D graphics, DrawingSettings settings, PanelState state) {
  72         List<ImagePoint2D> outline = settings.generateImagePoints(generateOutline());
  73
  74         Polygon p = new Polygon();
  75         for (int i = 0; i < outline.size(); i++) {
  76             ImagePoint2D pos = outline.get(i);
  77             p.addPoint(pos.getX(), pos.getY());
  78         }
  79
  80         HSBType color = state.getHSBForPanel(getPanelId());
  81         graphics.setColor(new Color(ColorUtil.hsbTosRgb(color)));
  82         if (settings.shouldFillWithColor()) {
  83             graphics.fillPolygon(p);
  84         }
  85
  86         if (settings.shouldDrawOutline()) {
  87             graphics.setColor(settings.getOutlineColor());
  88             graphics.drawPolygon(p);
  89         }
  90
  91         if (settings.shouldDrawLabels()) {
  92             graphics.setColor(settings.getLabelColor());
  93             ImagePoint2D textPos = labelPosition(graphics, outline);
  94             graphics.drawString(Integer.toString(getPanelId()), textPos.getX(), textPos.getY());
  95         }
  96     }
  97 }