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/* ========================================================================
* PlantUML : a free UML diagram generator
* ========================================================================
*
* (C) Copyright 2009-2017, Arnaud Roques
*
* Project Info: http://plantuml.com
*
* If you like this project or if you find it useful, you can support us at:
*
* http://plantuml.com/patreon (only 1$ per month!)
* http://plantuml.com/paypal
*
* 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.
*
*
* Original Author: Arnaud Roques
*
*
*/
package net.sourceforge.plantuml.ugraphic;
import java.awt.geom.Point2D;
import java.awt.geom.Rectangle2D;
public class UTranslate implements UChange {
private final double dx;
private final double dy;
@Override
public String toString() {
return "translate dx=" + dx + " dy=" + dy;
}
public UTranslate(double dx, double dy) {
this.dx = dx;
this.dy = dy;
}
public UTranslate(Point2D p) {
this(p.getX(), p.getY());
}
public UTranslate() {
this(0, 0);
}
public double getDx() {
return dx;
}
public double getDy() {
return dy;
}
public boolean isAlmostSame(UTranslate other) {
return this.dx == other.dx || this.dy == other.dy;
}
public Point2D getTranslated(Point2D p) {
if (p == null) {
return null;
}
return new Point2D.Double(p.getX() + dx, p.getY() + dy);
}
public UTranslate scaled(double scale) {
return new UTranslate(dx * scale, dy * scale);
}
public UTranslate compose(UTranslate other) {
return new UTranslate(dx + other.dx, dy + other.dy);
}
public UTranslate reverse() {
return new UTranslate(-dx, -dy);
}
public Rectangle2D apply(Rectangle2D rect) {
return new Rectangle2D.Double(rect.getX() + dx, rect.getY() + dy, rect.getWidth(), rect.getHeight());
}
public UTranslate multiplyBy(double v) {
return new UTranslate(dx * v, dy * v);
}
}
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