01: /*
02: * The Unified Mapping Platform (JUMP) is an extensible, interactive GUI
03: * for visualizing and manipulating spatial features with geometry and attributes.
04: *
05: * Copyright (C) 2003 Vivid Solutions
06: *
07: * This program is free software; you can redistribute it and/or
08: * modify it under the terms of the GNU General Public License
09: * as published by the Free Software Foundation; either version 2
10: * of the License, or (at your option) any later version.
11: *
12: * This program is distributed in the hope that it will be useful,
13: * but WITHOUT ANY WARRANTY; without even the implied warranty of
14: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15: * GNU General Public License for more details.
16: *
17: * You should have received a copy of the GNU General Public License
18: * along with this program; if not, write to the Free Software
19: * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
20: *
21: * For more information, contact:
22: *
23: * Vivid Solutions
24: * Suite #1A
25: * 2328 Government Street
26: * Victoria BC V8T 5G5
27: * Canada
28: *
29: * (250)385-6040
30: * www.vividsolutions.com
31: */
32:
33: package com.vividsolutions.jump.workbench.ui.cursortool;
34:
35: import java.awt.BasicStroke;
36: import java.awt.Color;
37: import java.awt.geom.Ellipse2D;
38: import java.awt.geom.GeneralPath;
39: import java.awt.geom.Point2D;
40: import java.util.Arrays;
41: import java.util.Collection;
42: import java.util.Iterator;
43:
44: import com.vividsolutions.jump.workbench.ui.LayerViewPanel;
45:
46: public class Animations {
47: private static void drawRings(Collection centers, int radius,
48: int delay, Color color, LayerViewPanel panel, float[] dash) {
49: GeneralPath path = new GeneralPath();
50: for (Iterator i = centers.iterator(); i.hasNext();) {
51: Point2D center = (Point2D) i.next();
52: path.append(new Ellipse2D.Double(center.getX() - radius,
53: center.getY() - radius, radius * 2, radius * 2),
54: false);
55: }
56: panel.flash(path, color, new BasicStroke(5,
57: BasicStroke.CAP_BUTT, BasicStroke.JOIN_ROUND, 10, dash,
58: 0), delay);
59: }
60:
61: /**
62: * @param expanding true to expand; false to contract
63: * @param dash null for no dashes
64: */
65: public static void drawExpandingRing(Point2D center,
66: boolean expanding, Color color, LayerViewPanel panel,
67: float[] dash) {
68: drawExpandingRings(Arrays.asList(new Point2D[] { center }),
69: expanding, color, panel, dash);
70: }
71:
72: public static void drawExpandingRings(Collection centers,
73: boolean expanding, Color color, LayerViewPanel panel,
74: float[] dash) {
75: int start = expanding ? 0 : 5;
76: int end = 5 - start;
77: int increment = expanding ? 1 : (-1);
78:
79: for (int i = start; i != end; i += increment) {
80: drawRings(centers, i * 10, 30, color, panel, dash);
81: }
82: }
83: }
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