blob: 83a0b0925a7e794f2fa87e9995f43596972bdec0 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
|
/**
* Copyright (c) 2014 CEA LIST.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* CEA LIST - Initial API and implementation
*/
package org.eclipse.papyrus.dd.qvt;
import java.awt.Color;
import org.eclipse.papyrus.dd.dc.DCFactory;
import org.eclipse.papyrus.dd.dc.DCPackage;
/**
* A utility library of black-box operations used in the umldi2dg QVTO
* transformation
*/
public class DDUtilities {
public DDUtilities() {
super();
}
public Color createColor(String colorStr) {
return (Color) DCFactory.eINSTANCE.createFromString(
DCPackage.eINSTANCE.getColor(), colorStr);
}
public double getAngle(double x1, double y1, double x2, double y2) {
double a = Math.atan2(y2 - y1, x2 - x1);
return a * 180 / Math.PI;
}
public double sin(double angle) {
return Math.sin(angle * Math.PI / 180);
}
public double cos(double angle) {
return Math.cos(angle * Math.PI / 180);
}
public double tan(double angle) {
return Math.tan(angle * Math.PI / 180);
}
public double atan2(double dy, double dx) {
return Math.atan2(dy, dx) * 180 / Math.PI;
}
}
|
