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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;
  14
  15 import java.awt.Color;
  16 import java.util.ArrayList;
  17 import java.util.List;
  18
  19 import org.eclipse.jdt.annotation.NonNullByDefault;
  20 import org.openhab.binding.nanoleaf.internal.NanoleafBindingConstants;
  21
  22 /**
  23  * Information to the drawing algorithm about which style to use and how to draw.
  24  *
  25  * @author Jørgen Austvik - Initial contribution
  26  */
  27 @NonNullByDefault
  28 public class DrawingSettings {
  29
  30     private static final Color COLOR_SIDE = Color.GRAY;
  31     private static final Color COLOR_TEXT = Color.BLACK;
  32
  33     private final LayoutSettings layoutSettings;
  34     private final int imageHeight;
  35     private final ImagePoint2D min;
  36     private final double rotationRadians;
  37
  38     public DrawingSettings(LayoutSettings layoutSettings, int imageHeight, ImagePoint2D min, double rotationRadians) {
  39         this.imageHeight = imageHeight;
  40         this.min = min;
  41         this.rotationRadians = rotationRadians;
  42         this.layoutSettings = layoutSettings;
  43     }
  44
  45     public boolean shouldDrawLabels() {
  46         return layoutSettings.shouldDrawLabels();
  47     }
  48
  49     public boolean shouldDrawCorners() {
  50         return layoutSettings.shouldDrawCorners();
  51     }
  52
  53     public boolean shouldDrawOutline() {
  54         return layoutSettings.shouldDrawOutline();
  55     }
  56
  57     public boolean shouldFillWithColor() {
  58         return layoutSettings.shouldFillWithColor();
  59     }
  60
  61     public Color getOutlineColor() {
  62         return COLOR_SIDE;
  63     }
  64
  65     public Color getLabelColor() {
  66         return COLOR_TEXT;
  67     }
  68
  69     public ImagePoint2D generateImagePoint(Point2D point) {
  70         return toPictureLayout(point, imageHeight, min, rotationRadians);
  71     }
  72
  73     public List<ImagePoint2D> generateImagePoints(List<Point2D> points) {
  74         return toPictureLayout(points, imageHeight, min, rotationRadians);
  75     }
  76
  77     private static ImagePoint2D toPictureLayout(Point2D original, int imageHeight, ImagePoint2D min,
  78             double rotationRadians) {
  79         Point2D rotated = original.rotate(rotationRadians);
  80         ImagePoint2D translated = new ImagePoint2D(
  81                 NanoleafBindingConstants.LAYOUT_BORDER_WIDTH + rotated.getX() - min.getX(),
  82                 imageHeight - NanoleafBindingConstants.LAYOUT_BORDER_WIDTH - rotated.getY() + min.getY());
  83         return translated;
  84     }
  85
  86     private static List<ImagePoint2D> toPictureLayout(List<Point2D> originals, int imageHeight, ImagePoint2D min,
  87             double rotationRadians) {
  88         List<ImagePoint2D> result = new ArrayList<>(originals.size());
  89         for (Point2D original : originals) {
  90             result.add(toPictureLayout(original, imageHeight, min, rotationRadians));
  91         }
  92
  93         return result;
  94     }
  95 }