/*
* Copyright (c) 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017 David Berkman
*
* This file is part of the SmallMind Code Project.
*
* The SmallMind Code Project is free software, you can redistribute
* it and/or modify it under either, at your discretion...
*
* 1) The terms of GNU Affero General Public License as published by the
* Free Software Foundation, either version 3 of the License, or (at
* your option) any later version.
*
* ...or...
*
* 2) The terms of the Apache License, Version 2.0.
*
* The SmallMind Code Project is distributed in the hope that it will
* be useful, but WITHOUT ANY WARRANTY; without even the implied warranty
* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License or Apache License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* and the Apache License along with the SmallMind Code Project. If not, see
* <http://www.gnu.org/licenses/> or <http://www.apache.org/licenses/LICENSE-2.0>.
*
* Additional permission under the GNU Affero GPL version 3 section 7
* ------------------------------------------------------------------
* If you modify this Program, or any covered work, by linking or
* combining it with other code, such other code is not for that reason
* alone subject to any of the requirements of the GNU Affero GPL
* version 3.
*/
package org.smallmind.nutsnbolts.layout;
public class Constraint {
private static final Constraint IMMUTABLE_RIGID_INSTANCE = new Constraint();
private static final Constraint IMMUTABLE_GROW_INSTANCE = new Constraint(0.5D, 0.0D);
private static final Constraint IMMUTABLE_SHRINK_INSTANCE = new Constraint(0.0D, 0.5D);
private static final Constraint IMMUTABLE_GROW_AND_SHRINK_INSTANCE = new Constraint(0.5D, 0.5D);
private double grow;
private double shrink;
public static Constraint immutable () {
return IMMUTABLE_RIGID_INSTANCE;
}
public static Constraint expand () {
return IMMUTABLE_GROW_INSTANCE;
}
public static Constraint contract () {
return IMMUTABLE_SHRINK_INSTANCE;
}
public static Constraint stretch () {
return IMMUTABLE_GROW_AND_SHRINK_INSTANCE;
}
public static MutableConstraint create () {
return new MutableConstraint();
}
public Constraint () {
}
public Constraint (double grow, double shrink) {
this.grow = grow;
this.shrink = shrink;
}
public double getGrow () {
return grow;
}
private void setGrow (double grow) {
this.grow = grow;
}
public double getShrink () {
return shrink;
}
private void setShrink (double shrink) {
this.shrink = shrink;
}
}