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plantuml/src/net/sourceforge/plantuml/posimo/PositionableUtils.java
2010-11-25 22:12:39 +01:00

90 lines
2.8 KiB
Java

/* ========================================================================
* PlantUML : a free UML diagram generator
* ========================================================================
*
* (C) Copyright 2009, 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 Lesser 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: 4236 $
*
*/
package net.sourceforge.plantuml.posimo;
import java.awt.geom.Dimension2D;
import java.awt.geom.Point2D;
import java.awt.geom.Rectangle2D;
import net.sourceforge.plantuml.Dimension2DDouble;
public class PositionableUtils {
static public Rectangle2D convert(Positionable positionable) {
final Point2D position = positionable.getPosition();
final Dimension2D size = positionable.getSize();
return new Rectangle2D.Double(position.getX(), position.getY(), size.getWidth(), size.getHeight());
}
static public boolean contains(Positionable positionable, Point2D p) {
final Point2D position = positionable.getPosition();
final Dimension2D size = positionable.getSize();
final double width = size.getWidth();
final double height = size.getHeight();
if (p.getX() < position.getX()) {
return false;
}
if (p.getX() > position.getX() + width) {
return false;
}
if (p.getY() < position.getY()) {
return false;
}
if (p.getY() > position.getY() + height) {
return false;
}
return true;
}
static public Positionable addMargin(final Positionable pos, final double widthMargin, final double heightMargin) {
return new Positionable() {
public Point2D getPosition() {
final Point2D p = pos.getPosition();
return new Point2D.Double(p.getX() - widthMargin, p.getY() - heightMargin);
}
public Dimension2D getSize() {
return Dimension2DDouble.delta(pos.getSize(), 2 * widthMargin, 2 * heightMargin);
}
};
}
static Rectangle2D move(Rectangle2D rect, double dx, double dy) {
return new Rectangle2D.Double(rect.getX() + dx, rect.getY() + dy, rect.getWidth(), rect.getHeight());
}
}