Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/java2d/ShapeUtils.java @ 9496:d8e753d0fdb9

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stripedArea introduced for Assessment Scheme/Bewertungsschema
author gernotbelger
date Wed, 26 Sep 2018 15:48:05 +0200
parents ddcd52d239cd
children
rev   line source
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4897a58c8746 River artifacts: Added new copyright headers.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5838
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1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
4897a58c8746 River artifacts: Added new copyright headers.
Sascha L. Teichmann <teichmann@intevation.de>
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2 * Software engineering by Intevation GmbH
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Sascha L. Teichmann <teichmann@intevation.de>
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3 *
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4 * This file is Free Software under the GNU AGPL (>=v3)
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5 * and comes with ABSOLUTELY NO WARRANTY! Check out the
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6 * documentation coming with Dive4Elements River for details.
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7 */
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8
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9 package org.dive4elements.river.java2d;
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11 import java.awt.Color;
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12 import java.awt.Shape;
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13 import java.awt.geom.Area;
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14 import java.awt.geom.Ellipse2D;
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15 import java.awt.geom.GeneralPath;
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16 import java.awt.geom.Rectangle2D;
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17 import java.util.HashMap;
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18 import java.util.Map;
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19
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20 public class ShapeUtils {
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21
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22 public static enum ShapeType {
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23 measured, digitized, interpolated, outlier
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24 }
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25
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26 private static Map<Long, Shape> scaledShapesCache = new HashMap<>();
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27
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28 private static final Shape createCross(final float size) {
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29
ddcd52d239cd Outliers in fixation calculation are now shown within the other 'B' event themes and get a separate symbol (triangle).
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30 final GeneralPath p = new GeneralPath();
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31
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32 p.moveTo(-size, -size);
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33 p.lineTo(size, size);
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34 p.closePath();
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35 p.moveTo(-size, size);
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36 p.lineTo(size, -size);
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37 p.closePath();
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38
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39 return p;
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40 }
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41
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42 private static Shape createBox(final float size) {
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43 return new Rectangle2D.Double(-size, -size, size * 2, size * 2);
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44 }
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45
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46 private static Shape createCircle(final float size) {
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47 return new Ellipse2D.Float(-size, -size, size * 2, size * 2);
ddcd52d239cd Outliers in fixation calculation are now shown within the other 'B' event themes and get a separate symbol (triangle).
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48 }
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49
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50 private static final Shape createTriangle(final float size) {
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51 final GeneralPath p = new GeneralPath();
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52
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53 p.moveTo(-size, size);
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54 p.lineTo(size, size);
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55 p.lineTo(0, -size);
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56 p.closePath();
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57
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58 return new Area(p);
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59 }
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60
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61 public static synchronized Shape getScaledShape(final ShapeType type, final float size) {
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62
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63 final Long hash = Long.valueOf((((long) type.ordinal()) << 32) | Float.floatToIntBits(size));
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64
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65 final Shape shape = scaledShapesCache.get(hash);
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66 if (shape != null)
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67 return shape;
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68
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69 final Shape newShape = createScaledShape(type, size);
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70 scaledShapesCache.put(hash, newShape);
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71 return newShape;
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72 }
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73
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74 private static Shape createScaledShape(final ShapeType type, final float size) {
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75 switch (type) {
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76 case measured:
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77 return createBox(size);
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78
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79 case digitized:
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80 return createCross(size);
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81
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82 case outlier:
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83 return createTriangle(size);
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84
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85 case interpolated:
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86 default:
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87 return createCircle(size);
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88 }
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89 }
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90
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91 public static Color withAlpha(final Color color, final int transparencyPercent) {
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92
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93 if (transparencyPercent <= 0 || transparencyPercent > 100 || color == null)
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94 return color;
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95
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96 return new Color(color.getRed(), color.getGreen(), color.getBlue(), (int) ((100 - transparencyPercent) * 2.55f));
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97 }
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98 }
http://dive4elements.wald.intevation.org