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comparison 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
comparison
equal deleted inserted replaced
9495:bb278c927b66 9496:d8e753d0fdb9
6 * documentation coming with Dive4Elements River for details. 6 * documentation coming with Dive4Elements River for details.
7 */ 7 */
8 8
9 package org.dive4elements.river.java2d; 9 package org.dive4elements.river.java2d;
10 10
11 import java.awt.Color;
11 import java.awt.Shape; 12 import java.awt.Shape;
12 import java.awt.geom.Area; 13 import java.awt.geom.Area;
13 import java.awt.geom.Ellipse2D; 14 import java.awt.geom.Ellipse2D;
14 import java.awt.geom.GeneralPath; 15 import java.awt.geom.GeneralPath;
15 import java.awt.geom.Rectangle2D; 16 import java.awt.geom.Rectangle2D;
22 measured, digitized, interpolated, outlier 23 measured, digitized, interpolated, outlier
23 } 24 }
24 25
25 private static Map<Long, Shape> scaledShapesCache = new HashMap<>(); 26 private static Map<Long, Shape> scaledShapesCache = new HashMap<>();
26 27
27 private static final Shape createCross(float size) { 28 private static final Shape createCross(final float size) {
28 29
29 final GeneralPath p = new GeneralPath(); 30 final GeneralPath p = new GeneralPath();
30 31
31 p.moveTo(-size, -size); 32 p.moveTo(-size, -size);
32 p.lineTo(size, size); 33 p.lineTo(size, size);
36 p.closePath(); 37 p.closePath();
37 38
38 return p; 39 return p;
39 } 40 }
40 41
41 private static Shape createBox(float size) { 42 private static Shape createBox(final float size) {
42 return new Rectangle2D.Double(-size, -size, size * 2, size * 2); 43 return new Rectangle2D.Double(-size, -size, size * 2, size * 2);
43 } 44 }
44 45
45 private static Shape createCircle(float size) { 46 private static Shape createCircle(final float size) {
46 return new Ellipse2D.Float(-size, -size, size * 2, size * 2); 47 return new Ellipse2D.Float(-size, -size, size * 2, size * 2);
47 } 48 }
48 49
49 private static final Shape createTriangle(float size) { 50 private static final Shape createTriangle(final float size) {
50 final GeneralPath p = new GeneralPath(); 51 final GeneralPath p = new GeneralPath();
51 52
52 p.moveTo(-size, size); 53 p.moveTo(-size, size);
53 p.lineTo(size, size); 54 p.lineTo(size, size);
54 p.lineTo(0, -size); 55 p.lineTo(0, -size);
55 p.closePath(); 56 p.closePath();
56 57
57 return new Area(p); 58 return new Area(p);
58 } 59 }
59 60
60 public static synchronized Shape getScaledShape(final ShapeType type, float size) { 61 public static synchronized Shape getScaledShape(final ShapeType type, final float size) {
61 62
62 final Long hash = Long.valueOf((((long) type.ordinal()) << 32) | Float.floatToIntBits(size)); 63 final Long hash = Long.valueOf((((long) type.ordinal()) << 32) | Float.floatToIntBits(size));
63 64
64 final Shape shape = scaledShapesCache.get(hash); 65 final Shape shape = scaledShapesCache.get(hash);
65 if (shape != null) 66 if (shape != null)
68 final Shape newShape = createScaledShape(type, size); 69 final Shape newShape = createScaledShape(type, size);
69 scaledShapesCache.put(hash, newShape); 70 scaledShapesCache.put(hash, newShape);
70 return newShape; 71 return newShape;
71 } 72 }
72 73
73 private static Shape createScaledShape(ShapeType type, float size) { 74 private static Shape createScaledShape(final ShapeType type, final float size) {
74 switch (type) { 75 switch (type) {
75 case measured: 76 case measured:
76 return createBox(size); 77 return createBox(size);
77 78
78 case digitized: 79 case digitized:
84 case interpolated: 85 case interpolated:
85 default: 86 default:
86 return createCircle(size); 87 return createCircle(size);
87 } 88 }
88 } 89 }
90
91 public static Color withAlpha(final Color color, final int transparencyPercent) {
92
93 if (transparencyPercent <= 0 || transparencyPercent > 100 || color == null)
94 return color;
95
96 return new Color(color.getRed(), color.getGreen(), color.getBlue(), (int) ((100 - transparencyPercent) * 2.55f));
97 }
89 } 98 }
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