2010-11-25 21:12:39 +00:00
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/* ========================================================================
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* PlantUML : a free UML diagram generator
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* ========================================================================
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*
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2019-01-16 18:34:41 +00:00
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* (C) Copyright 2009-2020, Arnaud Roques
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2010-11-25 21:12:39 +00:00
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*
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2016-03-06 16:47:34 +00:00
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* Project Info: http://plantuml.com
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2010-11-25 21:12:39 +00:00
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*
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2017-03-15 19:13:31 +00:00
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* If you like this project or if you find it useful, you can support us at:
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*
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* http://plantuml.com/patreon (only 1$ per month!)
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* http://plantuml.com/paypal
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*
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2010-11-25 21:12:39 +00:00
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* This file is part of PlantUML.
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*
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* PlantUML is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* PlantUML distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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2013-12-10 19:36:50 +00:00
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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2010-11-25 21:12:39 +00:00
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* License for more details.
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*
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* You should have received a copy of the GNU General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
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* USA.
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*
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*
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* Original Author: Arnaud Roques
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*
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*
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*/
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package net.sourceforge.plantuml.ugraphic;
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import java.awt.geom.Point2D;
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2015-06-07 10:23:10 +00:00
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import java.awt.geom.Rectangle2D;
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2010-11-25 21:12:39 +00:00
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2013-12-10 19:36:50 +00:00
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public class UTranslate implements UChange {
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2010-11-25 21:12:39 +00:00
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2013-12-10 19:36:50 +00:00
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private final double dx;
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private final double dy;
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2010-11-25 21:12:39 +00:00
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2013-12-10 19:36:50 +00:00
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@Override
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public String toString() {
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return "translate dx=" + dx + " dy=" + dy;
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}
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2020-03-18 10:50:02 +00:00
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public static UTranslate none() {
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return new UTranslate(0, 0);
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}
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2013-12-10 19:36:50 +00:00
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public UTranslate(double dx, double dy) {
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this.dx = dx;
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this.dy = dy;
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}
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2020-03-18 10:50:02 +00:00
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public static UTranslate dx(double dx) {
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return new UTranslate(dx, 0);
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}
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public static UTranslate dy(double dy) {
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return new UTranslate(0, dy);
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}
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2013-12-10 19:36:50 +00:00
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public UTranslate(Point2D p) {
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this(p.getX(), p.getY());
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}
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2010-11-25 21:12:39 +00:00
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2013-12-10 19:36:50 +00:00
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public UTranslate() {
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this(0, 0);
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2010-11-25 21:12:39 +00:00
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}
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2013-12-10 19:36:50 +00:00
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public double getDx() {
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return dx;
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}
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public double getDy() {
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return dy;
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}
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2016-05-19 18:41:37 +00:00
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public boolean isAlmostSame(UTranslate other) {
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return this.dx == other.dx || this.dy == other.dy;
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}
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2013-12-10 19:36:50 +00:00
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public Point2D getTranslated(Point2D p) {
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if (p == null) {
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return null;
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2010-11-25 21:12:39 +00:00
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}
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2013-12-10 19:36:50 +00:00
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return new Point2D.Double(p.getX() + dx, p.getY() + dy);
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2010-11-25 21:12:39 +00:00
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}
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2015-04-07 18:18:37 +00:00
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public UTranslate scaled(double scale) {
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return new UTranslate(dx * scale, dy * scale);
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}
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2013-12-10 19:36:50 +00:00
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public UTranslate compose(UTranslate other) {
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return new UTranslate(dx + other.dx, dy + other.dy);
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}
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2013-12-10 19:36:50 +00:00
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public UTranslate reverse() {
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return new UTranslate(-dx, -dy);
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2010-11-25 21:12:39 +00:00
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}
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2015-06-07 10:23:10 +00:00
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public Rectangle2D apply(Rectangle2D rect) {
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return new Rectangle2D.Double(rect.getX() + dx, rect.getY() + dy, rect.getWidth(), rect.getHeight());
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}
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2016-07-25 19:25:28 +00:00
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public UTranslate multiplyBy(double v) {
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return new UTranslate(dx * v, dy * v);
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}
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2020-12-01 21:39:27 +00:00
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public UTranslate sym() {
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return new UTranslate(dy, dx);
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}
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2020-12-19 21:21:54 +00:00
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public Point2D getPosition() {
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return new Point2D.Double(dx, dy);
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}
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2010-11-25 21:12:39 +00:00
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}
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