]> gerrit.simantics Code Review - simantics/platform.git/blob - bundles/org.simantics.diagram.connection/src/org/simantics/diagram/connection/Directions.java
Migrated source code from Simantics SVN
[simantics/platform.git] / bundles / org.simantics.diagram.connection / src / org / simantics / diagram / connection / Directions.java
1 /*******************************************************************************\r
2  * Copyright (c) 2011 Association for Decentralized Information Management in\r
3  * Industry THTH ry.\r
4  * All rights reserved. This program and the accompanying materials\r
5  * are made available under the terms of the Eclipse Public License v1.0\r
6  * which accompanies this distribution, and is available at\r
7  * http://www.eclipse.org/legal/epl-v10.html\r
8  *\r
9  * Contributors:\r
10  *     VTT Technical Research Centre of Finland - initial API and implementation\r
11  *******************************************************************************/\r
12 package org.simantics.diagram.connection;\r
13 \r
14 public class Directions {\r
15 \r
16     public static boolean isAllowed(int allowedDirection, int direction) {\r
17         return ((allowedDirection >> direction)&1) == 1;\r
18     }\r
19 \r
20     public static int firstAllowedDirection(int allowedDirections) {\r
21         for(int dir=0;dir<4;++dir,allowedDirections>>=1) {\r
22             if((allowedDirections&1) == 1)\r
23                 return dir;\r
24         }\r
25         return 0;\r
26     }\r
27     \r
28 }\r