svn-gvsig-desktop / branches / v2_0_0_prep / libraries / libFMap_geometries / src / org / gvsig / fmap / geom / primitive / impl / EllipticArc2D.java @ 29097
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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.impl; |
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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.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.Geometry; |
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import org.gvsig.fmap.geom.handler.AbstractHandler; |
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import org.gvsig.fmap.geom.handler.CuadrantHandler; |
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import org.gvsig.fmap.geom.handler.Handler; |
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import org.gvsig.fmap.geom.primitive.EllipticArc; |
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import org.gvsig.fmap.geom.primitive.GeneralPathX; |
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import org.gvsig.fmap.geom.primitive.Point; |
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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 EllipticArc2D extends Curve2D implements EllipticArc { |
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private static final long serialVersionUID = 2988037614443119814L; |
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private Point2D axis1Start; |
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private Point2D axis1End; |
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private double semiAxis2Length; |
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private double angSt; |
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private double angExt; |
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/**
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* The constructor with the GeometryType like and argument
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* is used by the {@link GeometryType}{@link #create()}
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* to create the geometry
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* @param type
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* The geometry type
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*/
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public EllipticArc2D(GeometryType geometryType) {
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super(geometryType);
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} |
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/**
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* Constructor used in the {@link Geometry#cloneGeometry()} method
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* @param id
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* @param projection
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* @param gpx
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* @param axis1Start
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* @param axis1End
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* @param semiAxis2Length
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* @param angSt
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* @param angExt
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*/
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EllipticArc2D(GeometryType geometryType, String id, IProjection projection, GeneralPathX gpx, Point2D axis1Start,Point2D axis1End, double semiAxis2Length, double angSt, double angExt) { |
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super(geometryType, id, projection, gpx);
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this.axis1Start = axis1Start;
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this.axis1End = axis1End;
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this.semiAxis2Length = semiAxis2Length;
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this.angSt = angSt;
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this.angExt = angExt;
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.fmap.geom.primitive.EllipticArc#getAxis1Start()
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*/
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public Point getAxis1Start(){ |
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try {
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return new org.gvsig.fmap.geom.primitive.impl.Point2D(axis1Start); |
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} catch (Exception e){ |
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return null; |
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} |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.fmap.geom.primitive.EllipticArc#getAxis1End()
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*/
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public Point getAxis1End(){ |
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try {
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return new org.gvsig.fmap.geom.primitive.impl.Point2D(axis1End); |
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} catch (Exception e){ |
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return null; |
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} |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.fmap.geom.primitive.EllipticArc#getAxis2Dist()
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*/
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public double getAxis2Dist(){ |
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return this.semiAxis2Length; |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.fmap.geom.primitive.EllipticArc#getAngSt()
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*/
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public double getAngSt(){ |
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return this.angSt; |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.fmap.geom.primitive.EllipticArc#getAngExt()
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*/
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public double getAngExt(){ |
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return this.angExt; |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.fmap.geom.primitive.impl.OrientablePrimitive2D#transform(java.awt.geom.AffineTransform)
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*/
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public void transform(AffineTransform at) { |
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Point2D center = new Point2D.Double((axis1Start.getX() + axis1End.getX()) / 2, |
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(axis1Start.getY() + axis1End.getY()) / 2);
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Point2D pdist = UtilFunctions.getPerpendicularPoint(axis1Start, axis1End, center,
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semiAxis2Length); |
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Point2D aux1 = new Point2D.Double(); |
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at.transform(axis1Start, aux1); |
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axis1Start = aux1; |
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Point2D aux2 = new Point2D.Double(); |
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at.transform(axis1End, aux2); |
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axis1End = aux2; |
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center = new Point2D.Double((axis1Start.getX() + axis1End.getX()) / 2, (axis1Start |
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.getY() + axis1End.getY()) / 2);
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Point2D aux3 = new Point2D.Double(); |
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at.transform(pdist, aux3); |
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semiAxis2Length = center.distance(aux3); |
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gp.transform(at); |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.fmap.geom.primitive.impl.Curve2D#getShapeType()
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*/
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public int getShapeType() { |
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return TYPES.ELLIPTICARC;
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.fmap.geom.primitive.impl.OrientablePrimitive2D#getStretchingHandlers()
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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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/*
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* (non-Javadoc)
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* @see org.gvsig.fmap.geom.primitive.impl.OrientablePrimitive2D#getSelectHandlers()
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*/
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public Handler[] getSelectHandlers() { |
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//TODO: Faltaria tener en cuenta handlers para los angulos angSt y angExt
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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 Axis1StSelHandler(1, axis1Start.getX(), axis1Start.getY())); |
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handlers.add(new Axis1EndSelHandler(2, axis1End.getX(), axis1End.getY())); |
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Point2D mediop = new Point2D.Double((axis1End.getX() + axis1Start.getX()) / 2, |
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(axis1End.getY() + axis1Start.getY()) / 2);
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Point2D[] p = UtilFunctions.getPerpendicular(axis1Start, axis1End, mediop); |
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Point2D u = UtilFunctions.getPoint(mediop, p[1], semiAxis2Length); |
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Point2D d = UtilFunctions.getPoint(mediop, p[1], -semiAxis2Length); |
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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 Handler { |
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/**
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* Crea un nuevo PointHandler.
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*
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* @param i
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* DOCUMENT ME!
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* @param x
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* DOCUMENT ME!
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* @param y
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* 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
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* DOCUMENT ME!
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* @param y
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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 void move(double x, double y) { |
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for (int i = 0; i < gp.getNumCoords() / 2; i++) { |
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gp.getPointCoords()[i * 2] += x;
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gp.getPointCoords()[i * 2 + 1] += y; |
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} |
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axis1Start = new Point2D.Double(axis1Start.getX() + x, axis1Start.getY() + y); |
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axis1End = new Point2D.Double(axis1End.getX() + x, axis1End.getY() + y); |
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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 CenterSelHandler extends AbstractHandler implements Handler { |
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/**
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* Crea un nuevo PointHandler.
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*
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* @param i
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* DOCUMENT ME!
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* @param x
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* DOCUMENT ME!
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* @param y
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* 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
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* DOCUMENT ME!
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* @param y
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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 void move(double x, double y) { |
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for (int i = 0; i < gp.getNumCoords() / 2; i++) { |
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gp.getPointCoords()[i * 2] += x;
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gp.getPointCoords()[i * 2 + 1] += y; |
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} |
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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 center = new Point2D.Double((axis1Start.getX() + axis1End.getX()) / 2, |
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(axis1Start.getY() + axis1End.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.getNumCoords() / 2; i++) { |
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gp.getPointCoords()[i * 2] += dx;
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gp.getPointCoords()[i * 2 + 1] += dy; |
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} |
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axis1Start = new Point2D.Double(axis1Start.getX() + dx, axis1Start.getY() + dy); |
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axis1End = new Point2D.Double(axis1End.getX() + dx, axis1End.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 Axis1StSelHandler extends AbstractHandler implements CuadrantHandler { |
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/**
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* Crea un nuevo PointHandler.
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*
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* @param i
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* DOCUMENT ME!
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* @param x
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* DOCUMENT ME!
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* @param y
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* DOCUMENT ME!
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*/
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public Axis1StSelHandler(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
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* DOCUMENT ME!
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* @param y
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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 void move(double x, double y) { |
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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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// TODO comentado para quitar warning: double dx=x-init.getX();
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// TODO comentado para quitar warning: double dy=y-init.getY();
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Point2D center = new Point2D.Double((axis1Start.getX() + axis1End.getX()) / 2, |
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(axis1Start.getY() + axis1End.getY()) / 2);
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// Point2D[]
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// p1=TrigonometricalFunctions.getPerpendicular(init,end,center);
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// Point2D[]
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// p2=TrigonometricalFunctions.getPerpendicular(p1[0],p1[1],new
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// Point2D.Double(x,y));
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// Point2D
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// 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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axis1Start = UtilFunctions.getPoint(center, axis1Start, center.distance(x, y)); |
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axis1End = UtilFunctions.getPoint(axis1Start, center, xdist); |
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Arc2D.Double arc = new Arc2D.Double(axis1Start.getX(), axis1Start.getY() |
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- semiAxis2Length, xdist, 2 * semiAxis2Length, Math.toDegrees(angSt), Math.toDegrees(angExt), Arc2D.OPEN); |
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// TODO comentado para quitar warning: Point2D rotationPoint = new
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// Point2D.Double(init.getX() + xdist /2, init.getY());
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double angle = UtilFunctions.getAngle(axis1Start, axis1End);
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AffineTransform mT = AffineTransform.getRotateInstance(angle, axis1Start |
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.getX(), axis1Start.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 Axis1EndSelHandler extends AbstractHandler implements CuadrantHandler { |
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/**
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* Crea un nuevo PointHandler.
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*
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* @param i
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* DOCUMENT ME!
|
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* @param x
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* DOCUMENT ME!
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* @param y
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* DOCUMENT ME!
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*/
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public Axis1EndSelHandler(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
|
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* DOCUMENT ME!
|
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* @param y
|
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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 void move(double x, double y) { |
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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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// double dx=x-getPoint().getX();
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// double dy=y-getPoint().getY();
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Point2D center = new Point2D.Double((axis1Start.getX() + axis1End.getX()) / 2, |
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(axis1Start.getY() + axis1End.getY()) / 2);
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// Point2D[]
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// p1=TrigonometricalFunctions.getPerpendicular(init,end,center);
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// Point2D[]
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// p2=TrigonometricalFunctions.getPerpendicular(p1[0],p1[1],new
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// Point2D.Double(x,y));
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// Point2D
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// 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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axis1End = UtilFunctions.getPoint(center, axis1End, center.distance(x, y)); |
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// end=new Point2D.Double(end.getX()+dx,end.getY()+dy);
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axis1Start = UtilFunctions.getPoint(axis1End, center, xdist); |
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Arc2D.Double arc = new Arc2D.Double(axis1Start.getX(), axis1Start.getY() |
| 455 |
- semiAxis2Length, xdist, 2 * semiAxis2Length, Math.toDegrees(angSt), Math.toDegrees(angExt), Arc2D.OPEN); |
| 456 |
// Point2D rotationPoint = new Point2D.Double(init.getX() + xdist
|
| 457 |
// /2, init.getY());
|
| 458 |
|
| 459 |
double angle = UtilFunctions.getAngle(axis1Start, axis1End);
|
| 460 |
AffineTransform mT = AffineTransform.getRotateInstance(angle, axis1Start |
| 461 |
.getX(), axis1Start.getY()); |
| 462 |
gp = new GeneralPathX(arc);
|
| 463 |
gp.transform(mT); |
| 464 |
|
| 465 |
} |
| 466 |
} |
| 467 |
|
| 468 |
/**
|
| 469 |
* DOCUMENT ME!
|
| 470 |
*
|
| 471 |
* @author Vicente Caballero Navarro
|
| 472 |
*/
|
| 473 |
class RadioSelYHandler extends AbstractHandler implements CuadrantHandler { |
| 474 |
/**
|
| 475 |
* Crea un nuevo PointHandler.
|
| 476 |
*
|
| 477 |
* @param i
|
| 478 |
* DOCUMENT ME!
|
| 479 |
* @param x
|
| 480 |
* DOCUMENT ME!
|
| 481 |
* @param y
|
| 482 |
* DOCUMENT ME!
|
| 483 |
*/
|
| 484 |
public RadioSelYHandler(int i, double x, double y) { |
| 485 |
point = new Point2D.Double(x, y); |
| 486 |
index = i; |
| 487 |
} |
| 488 |
|
| 489 |
/**
|
| 490 |
* DOCUMENT ME!
|
| 491 |
*
|
| 492 |
* @param x
|
| 493 |
* DOCUMENT ME!
|
| 494 |
* @param y
|
| 495 |
* DOCUMENT ME!
|
| 496 |
*
|
| 497 |
* @return DOCUMENT ME!
|
| 498 |
*/
|
| 499 |
public void move(double x, double y) { |
| 500 |
|
| 501 |
} |
| 502 |
|
| 503 |
/**
|
| 504 |
* @see org.gvsig.fmap.geom.handler.Handler#set(double, double)
|
| 505 |
*/
|
| 506 |
public void set(double x, double y) { |
| 507 |
semiAxis2Length = new Point2D.Double((axis1Start.getX() + axis1End.getX()) / 2, (axis1Start |
| 508 |
.getY() + axis1End.getY()) / 2).distance(x, y);
|
| 509 |
// ydist=getSelectHandlers()[1].getPoint().distance(x,y);
|
| 510 |
// Point2D center=new Point2D.Double((init.getX() + end.getX()) / 2,
|
| 511 |
// (init.getY() + end.getY()) / 2);
|
| 512 |
// Point2D[]
|
| 513 |
// p=TrigonometricalFunctions.getPerpendicular(init,end,new
|
| 514 |
// Point2D.Double(x,y));
|
| 515 |
// Point2D
|
| 516 |
// pl=TrigonometricalFunctions.getIntersection(p[0],p[1],init,end);
|
| 517 |
// double xdist=2*pl.distance(x,y);
|
| 518 |
double xdist = axis1Start.distance(axis1End);
|
| 519 |
Arc2D.Double arc = new Arc2D.Double(axis1Start.getX(), axis1Start.getY() |
| 520 |
- semiAxis2Length, xdist, 2 * semiAxis2Length, Math.toDegrees(angSt), Math.toDegrees(angExt), Arc2D.OPEN); |
| 521 |
// Point2D rotationPoint = new Point2D.Double(init.getX() + xdist
|
| 522 |
// /2, init.getY());
|
| 523 |
|
| 524 |
double angle = UtilFunctions.getAngle(axis1Start, axis1End);
|
| 525 |
AffineTransform mT = AffineTransform.getRotateInstance(angle, axis1Start |
| 526 |
.getX(), axis1Start.getY()); |
| 527 |
gp = new GeneralPathX(arc);
|
| 528 |
gp.transform(mT); |
| 529 |
} |
| 530 |
} |
| 531 |
|
| 532 |
//TODO: Faltan Handlers para los angulos inicial y de extension (o final)
|
| 533 |
|
| 534 |
|
| 535 |
|
| 536 |
/* (non-Javadoc)
|
| 537 |
* @see com.iver.cit.gvsig.fmap.core.FPolyline2D#intersects(java.awt.geom.Rectangle2D)
|
| 538 |
*/
|
| 539 |
public boolean intersects(Rectangle2D r) { |
| 540 |
return gp.intersects(r);
|
| 541 |
} |
| 542 |
|
| 543 |
/* (non-Javadoc)
|
| 544 |
* @see org.gvsig.fmap.geom.primitive.EllipticArc#setPoints(org.gvsig.fmap.geom.primitive.Point, java.awt.geom.Point2D, double, double, double)
|
| 545 |
*/
|
| 546 |
public void setPoints(Point axis1Start, Point axis1End, |
| 547 |
double semiAxis2Length, double angSt, double angExt) { |
| 548 |
Point2D _axis1Start = new java.awt.geom.Point2D.Double(axis1Start.getCoordinateAt(0), axis1Start.getCoordinateAt(1)); |
| 549 |
Point2D _axis1End = new java.awt.geom.Point2D.Double(axis1End.getCoordinateAt(0), axis1End.getCoordinateAt(1)); |
| 550 |
setPoints(_axis1Start, _axis1End, semiAxis2Length, angSt, angExt); |
| 551 |
} |
| 552 |
|
| 553 |
/* (non-Javadoc)
|
| 554 |
* @see org.gvsig.fmap.geom.primitive.EllipticArc#setPoints(java.awt.geom.Point2D, java.awt.geom.Point2D, double, double, double)
|
| 555 |
*/
|
| 556 |
private void setPoints(Point2D axis1Start, Point2D axis1End, |
| 557 |
double semiAxis2Length, double angSt, double angExt) { |
| 558 |
double axis1Lenght = axis1Start.distance(axis1End);
|
| 559 |
Point2D center = new Point2D.Double((axis1Start.getX()+axis1End.getX())/2, (axis1Start.getY()+axis1End.getY())/2); |
| 560 |
double x = center.getX()-axis1Lenght/2; |
| 561 |
double y = center.getY()-semiAxis2Length;
|
| 562 |
|
| 563 |
double angle = UtilFunctions.getAngle(center, axis1Start);
|
| 564 |
|
| 565 |
Arc2D.Double arc = new Arc2D.Double( |
| 566 |
x, |
| 567 |
y, |
| 568 |
axis1Lenght, |
| 569 |
2 * semiAxis2Length,
|
| 570 |
Math.toDegrees(angSt),
|
| 571 |
Math.toDegrees(angExt),
|
| 572 |
Arc2D.OPEN);
|
| 573 |
AffineTransform mT = AffineTransform.getRotateInstance(angle, |
| 574 |
center.getX(), center.getY()); |
| 575 |
GeneralPathX gp = new GeneralPathX(arc);
|
| 576 |
gp.transform(mT); |
| 577 |
|
| 578 |
this.gp = gp;
|
| 579 |
this.axis1Start = axis1Start;
|
| 580 |
this.axis1End = axis1End;
|
| 581 |
this.semiAxis2Length = semiAxis2Length;
|
| 582 |
this.angSt = angSt;
|
| 583 |
this.angExt = angExt;
|
| 584 |
} |
| 585 |
|
| 586 |
/*
|
| 587 |
* (non-Javadoc)
|
| 588 |
* @see org.gvsig.fmap.geom.primitive.Curve2D#setGeneralPath(org.gvsig.fmap.geom.primitive.GeneralPathX)
|
| 589 |
*/
|
| 590 |
public void setGeneralPath(GeneralPathX generalPathX) { |
| 591 |
throw new UnsupportedOperationException("Use setPoints(Point center, Point radious)"); |
| 592 |
} |
| 593 |
} |