net.sourceforge.plantuml.ugraphic.MinMaxMutable Maven / Gradle / Ivy
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PlantUML is a component that allows to quickly write :
* sequence diagram,
* use case diagram,
* class diagram,
* activity diagram,
* component diagram,
* state diagram
* object diagram
/* ========================================================================
* PlantUML : a free UML diagram generator
* ========================================================================
*
* (C) Copyright 2009-2013, Arnaud Roques
*
* Project Info: http://plantuml.sourceforge.net
*
* This file is part of PlantUML.
*
* PlantUML is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* PlantUML 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 for more details.
*
* You should have received a copy of the GNU General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*
* [Java is a trademark or registered trademark of Sun Microsystems, Inc.
* in the United States and other countries.]
*
* Original Author: Arnaud Roques
*
* Revision $Revision: 5183 $
*
*/
package net.sourceforge.plantuml.ugraphic;
import java.awt.geom.Dimension2D;
import net.sourceforge.plantuml.Dimension2DDouble;
public class MinMaxMutable {
private double maxX;
private double maxY;
private double minX;
private double minY;
public static MinMaxMutable getEmpty(boolean initToZero) {
if (initToZero) {
return new MinMaxMutable(0, 0, 0, 0);
}
return new MinMaxMutable(Double.MAX_VALUE, Double.MAX_VALUE, -Double.MAX_VALUE, -Double.MAX_VALUE);
}
private MinMaxMutable(double minX, double minY, double maxX, double maxY) {
this.minX = minX;
this.minY = minY;
this.maxX = maxX;
this.maxY = maxY;
}
public void addPoint(double x, double y) {
this.maxX = Math.max(x, maxX);
this.maxY = Math.max(y, maxY);
this.minX = Math.min(x, minX);
this.minY = Math.min(y, minY);
}
public static MinMaxMutable fromMax(double maxX, double maxY) {
final MinMaxMutable result = MinMaxMutable.getEmpty(true);
result.addPoint(maxX, maxY);
return result;
}
public final double getMaxX() {
return maxX;
}
public final double getMaxY() {
return maxY;
}
public final double getMinX() {
return minX;
}
public final double getMinY() {
return minY;
}
public Dimension2D getDimension() {
return new Dimension2DDouble(maxX - minX, maxY - minY);
}
}