root / trunk / libraries / libFMap / src / com / iver / cit / gvsig / fmap / core / FEllipse2D.java @ 8949
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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,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 com.iver.cit.gvsig.fmap.core; |
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import java.awt.geom.AffineTransform; |
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import java.awt.geom.Arc2D; |
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import java.awt.geom.Line2D; |
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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 com.iver.cit.gvsig.fmap.edition.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 FEllipse2D extends FPolygon2D { |
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private Point2D init; |
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private Point2D end; |
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private double ydist; |
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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 FEllipse2D(GeneralPathX gpx,Point2D i,Point2D e,double d) { |
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super(gpx);
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init=i; |
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end=e; |
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ydist=d; |
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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 double getDist(){ |
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return ydist;
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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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return new FEllipse2D((GeneralPathX) gp.clone(),init,end,ydist); |
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} |
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/**
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* @see com.iver.cit.gvsig.fmap.core.FShape#getShapeType()
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*/
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public int getShapeType() { |
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return FShape.ELLIPSE;
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} |
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/**
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* DOCUMENT ME!
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*
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* @param at DOCUMENT ME!
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*/
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public void transform(AffineTransform at) { |
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Point2D center=new Point2D.Double((init.getX() + end.getX()) / 2, |
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(init.getY() + end.getY()) / 2);
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Point2D pdist=UtilFunctions.getPerpendicularPoint(init,end,center,ydist);
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Point2D aux1=new Point2D.Double(); |
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at.transform(init,aux1); |
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init=aux1; |
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Point2D aux2=new Point2D.Double(); |
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at.transform(end,aux2); |
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end=aux2; |
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center=new Point2D.Double((init.getX() + end.getX()) / 2, |
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(init.getY() + end.getY()) / 2);
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Point2D aux3=new Point2D.Double(); |
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at.transform(pdist,aux3); |
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ydist=center.distance(aux3); |
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gp.transform(at); |
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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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Rectangle2D rect = this.getBounds2D(); |
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handlers.add(new CenterHandler(0, rect.getCenterX(), rect.getCenterY())); |
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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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Rectangle2D rect = this.getBounds2D(); |
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handlers.add(new CenterSelHandler(0, rect.getCenterX(), rect.getCenterY())); |
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handlers.add(new InitSelHandler(1, init.getX(), init.getY())); |
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handlers.add(new EndSelHandler(2, end.getX(), end.getY())); |
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Point2D mediop = new Point2D.Double((end.getX() + init.getX()) / 2, |
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(end.getY() + init.getY()) / 2);
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Point2D[] p=UtilFunctions.getPerpendicular(init,end,mediop); |
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Point2D u=UtilFunctions.getPoint(mediop,p[1],ydist); |
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Point2D d=UtilFunctions.getPoint(mediop,p[1],-ydist); |
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handlers.add(new RadioSelYHandler(3, u.getX(), u.getY())); |
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handlers.add(new RadioSelYHandler(4, d.getX(), d.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 CenterHandler extends AbstractHandler implements ICenterHandler { |
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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 CenterHandler(int i, double x, double y) { |
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point = 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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for (int i=0;i<gp.numCoords/2;i++){ |
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gp.pointCoords[i*2]+=x;
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gp.pointCoords[i*2+1]+=y; |
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} |
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init = new Point2D.Double(init.getX() + x, init.getY() + y); |
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end = new Point2D.Double(end.getX() + x, end.getY() + y); |
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} |
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/**
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* @see com.iver.cit.gvsig.fmap.core.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 CenterSelHandler extends AbstractHandler implements ICenterHandler{ |
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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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point = 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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for (int i=0;i<gp.numCoords/2;i++){ |
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gp.pointCoords[i*2]+=x;
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gp.pointCoords[i*2+1]+=y; |
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} |
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} |
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/**
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* @see com.iver.cit.gvsig.fmap.core.Handler#set(double, double)
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*/
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public void set(double x, double y) { |
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Point2D center=new Point2D.Double((init.getX() + end.getX()) / 2, |
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(init.getY() + end.getY()) / 2);
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double dx=x-center.getX();
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double dy=y-center.getY();
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for (int i=0;i<gp.numCoords/2;i++){ |
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gp.pointCoords[i*2]+=dx;
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gp.pointCoords[i*2+1]+=dy; |
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} |
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init=new Point2D.Double(init.getX()+dx,init.getY()+dy); |
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end=new Point2D.Double(end.getX()+dx,end.getY()+dy); |
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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 ICuadrantHandler{ |
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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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point = 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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/**
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* @see com.iver.cit.gvsig.fmap.core.Handler#set(double, double)
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*/
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public void set(double x, double y) { |
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double dx=x-init.getX();
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double dy=y-init.getY();
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Point2D center=new Point2D.Double((init.getX() + end.getX()) / 2, |
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(init.getY() + end.getY()) / 2);
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// Point2D[] p1=TrigonometricalFunctions.getPerpendicular(init,end,center);
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// Point2D[] p2=TrigonometricalFunctions.getPerpendicular(p1[0],p1[1],new Point2D.Double(x,y));
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// Point2D pl=TrigonometricalFunctions.getIntersection(p2[0],p2[1],p1[0],p1[1]);
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// double xdist=2*pl.distance(x,y);
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double xdist=2*center.distance(x,y); |
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//init=new Point2D.Double(init.getX()+dx,init.getY()+dy);
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init=UtilFunctions.getPoint(center,init,center.distance(x,y)); |
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end=UtilFunctions.getPoint(init,center,xdist); |
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Arc2D.Double arc = new Arc2D.Double(init.getX(), |
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init.getY() - ydist, xdist, 2 * ydist, 0, 360, Arc2D.OPEN); |
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Point2D rotationPoint = new Point2D.Double(init.getX() + xdist /2, init.getY()); |
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double angle = UtilFunctions.getAngle(init, end);
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AffineTransform mT = AffineTransform.getRotateInstance(angle, init.getX(), init.getY()); |
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gp = new GeneralPathX(arc);
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gp.transform(mT); |
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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 ICuadrantHandler{ |
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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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point = 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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/**
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* @see com.iver.cit.gvsig.fmap.core.Handler#set(double, double)
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*/
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public void set(double x, double y) { |
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double dx=x-getPoint().getX();
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double dy=y-getPoint().getY();
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Point2D center=new Point2D.Double((init.getX() + end.getX()) / 2, |
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(init.getY() + end.getY()) / 2);
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// Point2D[] p1=TrigonometricalFunctions.getPerpendicular(init,end,center);
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// Point2D[] p2=TrigonometricalFunctions.getPerpendicular(p1[0],p1[1],new Point2D.Double(x,y));
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// Point2D pl=TrigonometricalFunctions.getIntersection(p2[0],p2[1],p1[0],p1[1]);
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// double xdist=2*pl.distance(x,y);
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double xdist=2*center.distance(x,y); |
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end=UtilFunctions.getPoint(center,end,center.distance(x,y)); |
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//end=new Point2D.Double(end.getX()+dx,end.getY()+dy);
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init=UtilFunctions.getPoint(end,center,xdist); |
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Arc2D.Double arc = new Arc2D.Double(init.getX(), |
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init.getY() - ydist, xdist, 2 * ydist, 0, 360, Arc2D.OPEN); |
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Point2D rotationPoint = new Point2D.Double(init.getX() + xdist /2, init.getY()); |
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double angle = UtilFunctions.getAngle(init, end);
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AffineTransform mT = AffineTransform.getRotateInstance(angle, init.getX(), init.getY()); |
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gp = new GeneralPathX(arc);
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gp.transform(mT); |
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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 RadioSelYHandler extends AbstractHandler implements ICuadrantHandler{ |
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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 RadioSelYHandler(int i, double x, double y) { |
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point = 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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/**
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* @see com.iver.cit.gvsig.fmap.core.Handler#set(double, double)
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*/
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public void set(double x, double y) { |
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ydist=new Point2D.Double((init.getX() + end.getX()) / 2, |
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(init.getY() + end.getY()) / 2).distance(x,y);
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//ydist=getSelectHandlers()[1].getPoint().distance(x,y);
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// Point2D center=new Point2D.Double((init.getX() + end.getX()) / 2,
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// (init.getY() + end.getY()) / 2);
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// Point2D[] p=TrigonometricalFunctions.getPerpendicular(init,end,new Point2D.Double(x,y));
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// Point2D pl=TrigonometricalFunctions.getIntersection(p[0],p[1],init,end);
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// double xdist=2*pl.distance(x,y);
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double xdist = init.distance(end);
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Arc2D.Double arc = new Arc2D.Double(init.getX(), |
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init.getY() - ydist, xdist, 2 * ydist, 0, 360, Arc2D.OPEN); |
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Point2D rotationPoint = new Point2D.Double(init.getX() + xdist /2, init.getY()); |
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double angle = UtilFunctions.getAngle(init, end);
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AffineTransform mT = AffineTransform.getRotateInstance(angle, init.getX(), init.getY()); |
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gp = new GeneralPathX(arc);
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gp.transform(mT); |
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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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} |