001    /*
002     * BuildHistory.java
003     *
004     *
005     *  The Salamander Project - 2D and 3D graphics libraries in Java
006     *  Copyright (C) 2004 Mark McKay
007     *
008     *  This library is free software; you can redistribute it and/or
009     *  modify it under the terms of the GNU Lesser General Public
010     *  License as published by the Free Software Foundation; either
011     *  version 2.1 of the License, or (at your option) any later version.
012     *
013     *  This library is distributed in the hope that it will be useful,
014     *  but WITHOUT ANY WARRANTY; without even the implied warranty of
015     *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
016     *  Lesser General Public License for more details.
017     *
018     *  You should have received a copy of the GNU Lesser General Public
019     *  License along with this library; if not, write to the Free Software
020     *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
021     *
022     *  Mark McKay can be contacted at mark@kitfox.com.  Salamander and other
023     *  projects can be found at http://www.kitfox.com
024     *
025     * Created on January 26, 2004, 9:18 PM
026     */
027    
028    package com.kitfox.svg.pathcmd;
029    
030    import java.awt.geom.Point2D;
031    
032    /**
033     * When building a path from command segments, most need to cache information
034     * (such as the point finished at) for future commands.  This structure allows
035     * that
036     *
037     * @author Mark McKay
038     * @author <a href="mailto:mark@kitfox.com">Mark McKay</a>
039     */
040    public class BuildHistory {
041    
042    //    Point2D.Float[] history = new Point2D.Float[2];
043        Point2D.Float[] history = {new Point2D.Float(), new Point2D.Float()};
044        Point2D.Float start = new Point2D.Float();
045        int length = 0;
046    
047        /** Creates a new instance of BuildHistory */
048        public BuildHistory() {
049        }
050    
051        public void setPoint(float x, float y)
052        {
053            history[0].setLocation(x, y);
054            length = 1;
055        }
056    
057        public void setStart(float x, float y)
058        {
059            start.setLocation(x, y);
060        }
061    
062        public void setPointAndKnot(float x, float y, float kx, float ky)
063        {
064            history[0].setLocation(x, y);
065            history[1].setLocation(kx, ky);
066            length = 2;
067        }
068    }