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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.activitydiagram3.ftile;
import net.sourceforge.plantuml.Direction;
import net.sourceforge.plantuml.ugraphic.UPolygon;
public class Arrows {
final static private double delta1 = 10;
final static private double delta2 = 4;
public static UPolygon asToUp() {
final UPolygon polygon = new UPolygon("asToUp");
polygon.addPoint(-delta2, delta1);
polygon.addPoint(0, 0);
polygon.addPoint(delta2, delta1);
polygon.addPoint(0, delta1 - 4);
return polygon;
}
public static UPolygon asToDown() {
final UPolygon polygon = new UPolygon("asToDown");
polygon.addPoint(-delta2, -delta1);
polygon.addPoint(0, 0);
polygon.addPoint(delta2, -delta1);
polygon.addPoint(0, -delta1 + 4);
return polygon;
}
public static UPolygon asToRight() {
final UPolygon polygon = new UPolygon("asToRight");
polygon.addPoint(-delta1, -delta2);
polygon.addPoint(0, 0);
polygon.addPoint(-delta1, delta2);
polygon.addPoint(-delta1 + 4, 0);
return polygon;
}
public static UPolygon asToLeft() {
final UPolygon polygon = new UPolygon("asToLeft");
polygon.addPoint(delta1, -delta2);
polygon.addPoint(0, 0);
polygon.addPoint(delta1, delta2);
polygon.addPoint(delta1 - 4, 0);
return polygon;
}
public static UPolygon asTo(Direction direction) {
if (direction == Direction.UP) {
return asToUp();
}
if (direction == Direction.DOWN) {
return asToDown();
}
if (direction == Direction.LEFT) {
return asToLeft();
}
if (direction == Direction.RIGHT) {
return asToRight();
}
throw new IllegalArgumentException();
}
}
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