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