net.sourceforge.plantuml.hector.SmartConnection 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: 5079 $
*
*/
package net.sourceforge.plantuml.hector;
import java.awt.geom.Point2D;
import java.util.List;
import net.sourceforge.plantuml.geom.LineSegmentDouble;
import net.sourceforge.plantuml.graphic.HtmlColor;
import net.sourceforge.plantuml.graphic.HtmlColorUtils;
import net.sourceforge.plantuml.ugraphic.UChangeColor;
import net.sourceforge.plantuml.ugraphic.UGraphic;
import net.sourceforge.plantuml.ugraphic.ULine;
import net.sourceforge.plantuml.ugraphic.UPath;
import net.sourceforge.plantuml.ugraphic.UStroke;
import net.sourceforge.plantuml.ugraphic.UTranslate;
class SmartConnection {
private final double x1;
private final double y1;
private final double x2;
private final double y2;
private final List forbidden;
public SmartConnection(double x1, double y1, double x2, double y2, List forbidden) {
this.x1 = x1;
this.y1 = y1;
this.x2 = x2;
this.y2 = y2;
this.forbidden = forbidden;
}
public SmartConnection(Point2D p1, Point2D p2, List b) {
this(p1.getX(), p1.getY(), p2.getX(), p2.getY(), b);
}
public void draw(UGraphic ug, HtmlColor color) {
final LineSegmentDouble seg = new LineSegmentDouble(x1, y1, x2, y2);
boolean clash = intersect(seg);
if (clash) {
ug = ug.apply(new UChangeColor(HtmlColorUtils.BLACK)).apply(new UStroke(1.0));
} else {
ug = ug.apply(new UChangeColor(color)).apply(new UStroke(1.5));
}
seg.draw(ug);
}
private boolean intersect(LineSegmentDouble seg) {
for (Box2D box : forbidden) {
if (box.doesIntersect(seg)) {
return true;
}
}
return false;
}
public void drawEx1(UGraphic ug, HtmlColor color) {
ug = ug.apply(new UChangeColor(color)).apply(new UStroke(1.5));
final double orthoX = -(y2 - y1);
final double orthoY = x2 - x1;
for (int i = -10; i <= 10; i++) {
for (int j = -10; j <= 10; j++) {
final double d1x = orthoX * i / 10.0;
final double d1y = orthoY * i / 10.0;
final double c1x = (x1 + x2) / 2 + d1x;
final double c1y = (y1 + y2) / 2 + d1y;
final double d2x = orthoX * j / 10.0;
final double d2y = orthoY * j / 10.0;
final double c2x = (x1 + x2) / 2 + d2x;
final double c2y = (y1 + y2) / 2 + d2y;
final UPath path = new UPath();
path.moveTo(x1, y1);
path.cubicTo(c1x, c1y, c2x, c2y, x2, y2);
ug.draw(path);
}
}
}
}