85 lines
2.2 KiB
Java
85 lines
2.2 KiB
Java
//This file is part of SECONDO.
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//Copyright (C) 2004, University in Hagen, Department of Computer Science,
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//Database Systems for New Applications.
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//SECONDO is free software; you can redistribute it and/or modify
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//it under the terms of the GNU General Public License as published by
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//the Free Software Foundation; either version 2 of the License, or
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//(at your option) any later version.
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//SECONDO is distributed in the hope that it will be useful,
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//but WITHOUT ANY WARRANTY; without even the implied warranty of
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//MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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//GNU General Public License for more details.
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//You should have received a copy of the GNU General Public License
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//along with SECONDO; if not, write to the Free Software
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//Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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package viewer.viewer3d.graphic2d;
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/****************************
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*
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* Author : Thomas Behr
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* Version : 1.1
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* Date : 16.5.2000
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*
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******************************/
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import java.util.Vector;
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/**
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* provides a vector to store points
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*/
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public class Point2DVector {
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/** the intern store */
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private Vector V;
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/** creates a new Point2DVector */
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public Point2DVector() { V = new Vector(); }
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/** returns a copy from this */
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public Point2DVector duplicate() {
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Point2DVector Copy = new Point2DVector();
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Copy.V = (Vector) V.clone();
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return Copy;
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}
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/** equalize this to Source */
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public void Equalize(Point2DVector Source) { V = (Vector) Source.V.clone(); }
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/** returns the number of containing points */
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public int getSize() { return V.size(); }
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/** add a point to this vector */
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public void append(Point2D Pt) { V.add(Pt); }
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/** get the point on position i */
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public Point2D getPoint2DAt(int i) throws IndexOutOfBoundsException {
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return ((Point2D) V.get(i));
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}
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/** insert a point on position i */
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public void insertAt(int i,Point2D Pt) {
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V.add(i,Pt);
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}
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/** overwrite the point on position i with Pt */
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public void setPoint2DAt(int i, Point2D Pt) {
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V.set(i,Pt);
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}
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/** deletes all containing points */
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public void empty() { V.clear(); }
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/** check for emptyness */
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public boolean isEmpty() { return V.size()==0; }
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/** check for equality */
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public boolean equals(Point2DVector PK) { return PK.V.equals(V); }
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}
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