root / branches / v2_0_0_prep / libraries / libFMap_geometries / src / org / gvsig / fmap / geom / primitive / Arc2D.java @ 21308
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/*
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* Created on 09-feb-2005
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*
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* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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*
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* Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program 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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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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USA.
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*
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* For more information, contact:
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*
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* Generalitat Valenciana
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* Conselleria d'Infraestructures i Transport
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* Av. Blasco Ib??ez, 50
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* 46010 VALENCIA
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* SPAIN
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*
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* +34 963862235
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* gvsig@gva.es
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* www.gvsig.gva.es
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*
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* or
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*
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* IVER T.I. S.A
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* Salamanca 50
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* 46005 Valencia
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* Spain
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*
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* +34 963163400
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* dac@iver.es
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*/
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package org.gvsig.fmap.geom.primitive; |
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import java.awt.geom.AffineTransform; |
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import java.awt.geom.Point2D; |
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import java.awt.geom.Rectangle2D; |
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import java.util.ArrayList; |
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import org.cresques.cts.IProjection; |
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import org.gvsig.fmap.geom.GeometryManager; |
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import org.gvsig.fmap.geom.handler.AbstractHandler; |
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import org.gvsig.fmap.geom.handler.CenterHandler; |
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import org.gvsig.fmap.geom.handler.FinalHandler; |
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import org.gvsig.fmap.geom.handler.Handler; |
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import org.gvsig.fmap.geom.type.GeometryType; |
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import org.gvsig.fmap.geom.util.UtilFunctions; |
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/**
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* DOCUMENT ME!
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*
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* @author Vicente Caballero Navarro
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*/
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public class Arc2D extends Curve2D implements Arc { |
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private static final long serialVersionUID = 1L; |
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private static GeometryType geomType = GeometryManager.getInstance() |
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.registerGeometryType(Arc2D.class);
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public static int CODE = geomType.getType(); |
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private Point2D init; |
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private Point2D center; |
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private Point2D end; |
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/**
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* DOCUMENT ME!
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*
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* @param gpx
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*/
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public Arc2D(String id, IProjection projection, GeneralPathX gpx, Point2D i,Point2D c, Point2D e) { |
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super(id, projection, gpx);
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init=i; |
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center=c; |
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end=e; |
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} |
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public Point2D getInit(){ |
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return init;
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} |
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public Point2D getEnd(){ |
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return end;
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} |
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public Point2D getCenter(){ |
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return UtilFunctions.getCenter(init, center,end);
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} |
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public Point2D getMid(){ |
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return center;
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} |
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/* (non-Javadoc)
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* @see com.iver.cit.gvsig.fmap.core.FShape#cloneFShape()
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*/
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public FShape cloneFShape() {
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Arc2D arc=new Arc2D(id, projection, (GeneralPathX) gp.clone(),init,center,end); |
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return arc;
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} |
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public void transform(AffineTransform at) { |
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gp.transform(at); |
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InitHandler inithandler=(InitHandler)getStretchingHandlers()[0];
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//CenterHandler centerhandler=(CenterHandler)getHandlers()[1];
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EndHandler endhandler=(EndHandler)getStretchingHandlers()[1];
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Point2D aux1=new Point2D.Double(); |
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Point2D aux2=new Point2D.Double(); |
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Point2D aux3=new Point2D.Double(); |
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at.transform(inithandler.getPoint(),aux1); |
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inithandler.setPoint(aux1); |
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//at.transform(centerhandler.getPoint(),aux2);
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//centerhandler.setPoint(aux2);
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at.transform(endhandler.getPoint(),aux3); |
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endhandler.setPoint(aux3); |
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CenterSelHandler centerhandler=(CenterSelHandler)getSelectHandlers()[1];
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at.transform(centerhandler.getPoint(),aux2); |
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centerhandler.setPoint(aux2); |
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} |
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/**
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* @see org.gvsig.fmap.geom.primitive.FShape#getShapeType()
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*/
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public int getShapeType() { |
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return FShape.ARC;
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} |
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/**
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* DOCUMENT ME!
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*
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* @return DOCUMENT ME!
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*/
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public Handler[] getStretchingHandlers() { |
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ArrayList handlers = new ArrayList(); |
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handlers.add(new InitHandler(0, init.getX(), init.getY())); |
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//handlers.add(new CenterHandler(1, center.getX(), center.getY()));
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handlers.add(new EndHandler(1, end.getX(), end.getY())); |
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return (Handler[]) handlers.toArray(new Handler[0]); |
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} |
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public Handler[] getSelectHandlers() { |
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ArrayList handlers = new ArrayList(); |
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handlers.add(new InitSelHandler(0, init.getX(), init.getY())); |
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handlers.add(new CenterSelHandler(1, center.getX(), center.getY())); |
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handlers.add(new EndSelHandler(2, end.getX(), end.getY())); |
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return (Handler[]) handlers.toArray(new Handler[0]); |
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} |
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/**
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* DOCUMENT ME!
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*
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* @author Vicente Caballero Navarro
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*/
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class CenterSelHandler extends AbstractHandler implements CenterHandler{ |
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/**
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* Crea un nuevo PointHandler.
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*
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* @param i DOCUMENT ME!
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* @param x DOCUMENT ME!
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* @param y DOCUMENT ME!
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*/
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public CenterSelHandler(int i, double x, double y) { |
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center = new Point2D.Double(x, y); |
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index = i; |
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} |
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/**
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* DOCUMENT ME!
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*
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* @param x DOCUMENT ME!
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* @param y DOCUMENT ME!
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*
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* @return DOCUMENT ME!
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*/
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public void move(double x, double y) { |
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} |
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public void setPoint(Point2D p){ |
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center=p; |
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} |
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public Point2D getPoint(){ |
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return center;
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} |
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/**
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* @see org.gvsig.fmap.geom.handler.Handler#set(double, double)
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*/
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public void set(double x, double y) { |
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center=new Point2D.Double(x,y); |
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java.awt.geom.Arc2D arco = UtilFunctions.createArc(init, center, end); |
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gp = new GeneralPathX(arco);
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} |
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} |
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/**
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* DOCUMENT ME!
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*
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* @author Vicente Caballero Navarro
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*/
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class InitHandler extends AbstractHandler implements FinalHandler{ |
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/**
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* Crea un nuevo PointHandler.
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*
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* @param i DOCUMENT ME!
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* @param x DOCUMENT ME!
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* @param y DOCUMENT ME!
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*/
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public InitHandler(int i, double x, double y) { |
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init = new Point2D.Double(x, y); |
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index = i; |
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} |
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/**
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* DOCUMENT ME!
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*
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* @param x DOCUMENT ME!
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* @param y DOCUMENT ME!
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*
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* @return DOCUMENT ME!
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*/
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public void move(double x, double y) { |
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Point2D mediop=new Point2D.Double((init.getX()+end.getX())/2,(init.getY()+end.getY())/2); |
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double dist=mediop.distance(center);
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init=new Point2D.Double(init.getX()+x,init.getY()+y); |
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mediop=new Point2D.Double((init.getX()+end.getX())/2,(init.getY()+end.getY())/2); |
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Point2D[] perp=UtilFunctions.getPerpendicular(init,end,mediop); |
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if (UtilFunctions.getAngle(end,init)<=Math.PI){ |
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dist=-dist; |
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} |
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center=UtilFunctions.getPoint(mediop,perp[1],dist);
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java.awt.geom.Arc2D arco = UtilFunctions.createArc(init,center, end); |
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gp=new GeneralPathX(arco);
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} |
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public void setPoint(Point2D p){ |
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init=p; |
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} |
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public Point2D getPoint(){ |
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return init;
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} |
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/**
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* @see org.gvsig.fmap.geom.handler.Handler#set(double, double)
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*/
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public void set(double x, double y) { |
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} |
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} |
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/**
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* DOCUMENT ME!
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*
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* @author Vicente Caballero Navarro
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*/
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class EndHandler extends AbstractHandler implements FinalHandler{ |
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/**
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* Crea un nuevo PointHandler.
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*
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* @param i DOCUMENT ME!
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* @param x DOCUMENT ME!
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* @param y DOCUMENT ME!
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*/
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public EndHandler(int i, double x, double y) { |
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end = new Point2D.Double(x, y); |
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index = i; |
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} |
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/**
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* DOCUMENT ME!
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*
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* @param x DOCUMENT ME!
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* @param y DOCUMENT ME!
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*
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* @return DOCUMENT ME!
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*/
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public void move(double x, double y) { |
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Point2D mediop=new Point2D.Double((init.getX()+end.getX())/2,(init.getY()+end.getY())/2); |
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double dist=mediop.distance(center);
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end=new Point2D.Double(end.getX()+x,end.getY()+y); |
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mediop=new Point2D.Double((init.getX()+end.getX())/2,(init.getY()+end.getY())/2); |
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Point2D[] perp=UtilFunctions.getPerpendicular(init,end,mediop); |
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if (UtilFunctions.getAngle(end,init)<=Math.PI){ |
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dist=-dist; |
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} |
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center=UtilFunctions.getPoint(mediop,perp[1],dist);
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java.awt.geom.Arc2D arco = UtilFunctions.createArc(init,center, end); |
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gp=new GeneralPathX(arco);
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} |
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public void setPoint(Point2D p){ |
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end=p; |
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} |
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public Point2D getPoint(){ |
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return end;
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} |
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/**
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* @see org.gvsig.fmap.geom.handler.Handler#set(double, double)
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*/
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public void set(double x, double y) { |
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} |
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} |
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/**
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* DOCUMENT ME!
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*
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* @author Vicente Caballero Navarro
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*/
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class InitSelHandler extends AbstractHandler implements FinalHandler{ |
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/**
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* Crea un nuevo PointHandler.
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*
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* @param i DOCUMENT ME!
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* @param x DOCUMENT ME!
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* @param y DOCUMENT ME!
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*/
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public InitSelHandler(int i, double x, double y) { |
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init = new Point2D.Double(x, y); |
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index = i; |
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} |
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/**
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* DOCUMENT ME!
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*
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* @param x DOCUMENT ME!
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* @param y DOCUMENT ME!
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*
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* @return DOCUMENT ME!
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*/
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public void move(double x, double y) { |
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Point2D mediop=new Point2D.Double((init.getX()+end.getX())/2,(init.getY()+end.getY())/2); |
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double dist=mediop.distance(center);
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init=new Point2D.Double(init.getX()+x,init.getY()+y); |
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mediop=new Point2D.Double((init.getX()+end.getX())/2,(init.getY()+end.getY())/2); |
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Point2D[] perp=UtilFunctions.getPerpendicular(init,end,mediop); |
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if (UtilFunctions.getAngle(end,init)<=Math.PI){ |
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dist=-dist; |
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} |
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center=UtilFunctions.getPoint(mediop,perp[1],dist);
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java.awt.geom.Arc2D arco = UtilFunctions.createArc(init,center, end); |
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gp=new GeneralPathX(arco);
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} |
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public void setPoint(Point2D p){ |
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init=p; |
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} |
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public Point2D getPoint(){ |
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return init;
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} |
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/**
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* @see org.gvsig.fmap.geom.handler.Handler#set(double, double)
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*/
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public void set(double x, double y) { |
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Point2D mediop=new Point2D.Double((init.getX()+end.getX())/2,(init.getY()+end.getY())/2); |
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double dist=mediop.distance(center);
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init=new Point2D.Double(x,y); |
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mediop=new Point2D.Double((init.getX()+end.getX())/2,(init.getY()+end.getY())/2); |
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// TODO comentado para quitar warning: Point2D[] perp=UtilFunctions.getPerpendicular(init,end,mediop);
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if (UtilFunctions.getAngle(end,init)<=Math.PI){ |
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dist=-dist; |
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} |
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///center=TrigonometricalFunctions.getPoint(mediop,perp[1],dist);
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java.awt.geom.Arc2D arco = UtilFunctions.createArc(init,center, end); |
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gp=new GeneralPathX(arco);
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} |
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} |
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/**
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* DOCUMENT ME!
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*
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* @author Vicente Caballero Navarro
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*/
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class EndSelHandler extends AbstractHandler implements FinalHandler{ |
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/**
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* Crea un nuevo PointHandler.
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*
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* @param i DOCUMENT ME!
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* @param x DOCUMENT ME!
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* @param y DOCUMENT ME!
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*/
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public EndSelHandler(int i, double x, double y) { |
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end = new Point2D.Double(x, y); |
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index = i; |
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} |
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/**
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* DOCUMENT ME!
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*
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* @param x DOCUMENT ME!
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* @param y DOCUMENT ME!
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*
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* @return DOCUMENT ME!
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*/
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public void move(double x, double y) { |
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Point2D mediop=new Point2D.Double((init.getX()+end.getX())/2,(init.getY()+end.getY())/2); |
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double dist=mediop.distance(center);
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end=new Point2D.Double(end.getX()+x,end.getY()+y); |
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mediop=new Point2D.Double((init.getX()+end.getX())/2,(init.getY()+end.getY())/2); |
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Point2D[] perp=UtilFunctions.getPerpendicular(init,end,mediop); |
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if (UtilFunctions.getAngle(end,init)<=Math.PI){ |
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dist=-dist; |
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} |
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center=UtilFunctions.getPoint(mediop,perp[1],dist);
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java.awt.geom.Arc2D arco = UtilFunctions.createArc(init,center, end); |
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gp=new GeneralPathX(arco);
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} |
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public void setPoint(Point2D p){ |
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end=p; |
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} |
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public Point2D getPoint(){ |
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return end;
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} |
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/**
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* @see org.gvsig.fmap.geom.handler.Handler#set(double, double)
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*/
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public void set(double x, double y) { |
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Point2D mediop=new Point2D.Double((init.getX()+end.getX())/2,(init.getY()+end.getY())/2); |
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double dist=mediop.distance(center);
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end=new Point2D.Double(x,y); |
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mediop=new Point2D.Double((init.getX()+end.getX())/2,(init.getY()+end.getY())/2); |
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// TODO comentado para quitar warning: Point2D[] perp=UtilFunctions.getPerpendicular(init,end,mediop);
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if (UtilFunctions.getAngle(end,init)<=Math.PI){ |
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dist=-dist; |
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} |
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///center=TrigonometricalFunctions.getPoint(mediop,perp[1],dist);
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java.awt.geom.Arc2D arco = UtilFunctions.createArc(init,center, end); |
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gp=new GeneralPathX(arco);
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} |
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} |
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/* (non-Javadoc)
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* @see com.iver.cit.gvsig.fmap.core.FPolyline2D#intersects(java.awt.geom.Rectangle2D)
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*/
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public boolean intersects(Rectangle2D r) { |
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return gp.intersects(r);
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} |
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public GeometryType getGeometryType() {
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return geomType;
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} |
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} |