svn-gvsig-desktop / branches / v2_0_0_prep / libraries / libFMap_geometries / src / org / gvsig / fmap / geom / primitive / impl / Point2D.java @ 35613
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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 org.gvsig.fmap.geom.primitive.impl; |
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import java.awt.Rectangle; |
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import java.awt.geom.AffineTransform; |
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import java.awt.geom.PathIterator; |
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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.ICoordTrans; |
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import org.cresques.cts.IProjection; |
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import org.gvsig.fmap.geom.DirectPosition; |
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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.FinalHandler; |
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import org.gvsig.fmap.geom.handler.Handler; |
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import org.gvsig.fmap.geom.primitive.Envelope; |
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import org.gvsig.fmap.geom.primitive.FShape; |
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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.primitive.PointIterator; |
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import org.gvsig.fmap.geom.type.GeometryType; |
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/**
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* Punto 2D.
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*
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* @author Vicente Caballero Navarro
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*/
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public class Point2D extends AbstractPrimitive implements Point, DirectPosition { |
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protected static final String COORDINATES_FIELD = "coordinates"; |
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private static final long serialVersionUID = 1836257305083881299L; |
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protected double[] coordinates; |
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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 Point2D(GeometryType geometryType) { |
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this(geometryType, null, null, 0.0, 0.0); |
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} |
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/**
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* Constructor used in the {@link Geometry#cloneGeometry()} method
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*/
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Point2D(GeometryType geometryType, String id, IProjection projection, double x, double y) { |
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super(geometryType, id, projection);
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coordinates = new double[getDimension()]; |
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coordinates[0] = x;
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coordinates[1] = y;
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} |
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public Point2D (double x, double y) { |
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super(TYPES.POINT, SUBTYPES.GEOM2D);
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coordinates = new double[getDimension()]; |
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coordinates[0] = x;
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coordinates[1] = y;
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} |
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public Point2D (int type, int subtype) { |
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super(type, subtype);
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coordinates = new double[getDimension()]; |
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} |
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public Point2D (java.awt.geom.Point2D point) { |
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super(TYPES.POINT, SUBTYPES.GEOM2D);
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coordinates = new double[getDimension()]; |
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coordinates[0] = point.getX();
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coordinates[1] = point.getY();
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} |
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/**
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* Aplica la transformaci?nn de la matriz de transformaci?n que se pasa como
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* par?metro.
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*
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* @param at
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* Matriz de transformaci?n.
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*/
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public void transform(AffineTransform at) { |
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at.transform(coordinates, 0, coordinates, 0, 1); |
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} |
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/*
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* (non-Javadoc)
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*
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* @see java.awt.Shape#contains(double, double)
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*/
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public boolean contains(double x, double y) { |
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if ((x == coordinates[0]) || (y == coordinates[1])) { |
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return true; |
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} else {
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return false; |
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} |
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} |
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/*
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* (non-Javadoc)
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*
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* @see java.awt.Shape#contains(double, double, double, double)
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*/
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public boolean contains(double x, double y, double w, double h) { |
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return false; |
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} |
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/*
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* (non-Javadoc)
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*
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* @see java.awt.Shape#intersects(double, double, double, double)
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*/
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public boolean intersects(double x, double y, double w, double h) { |
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Rectangle2D.Double rAux = new Rectangle2D.Double(x, y, w, h); |
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return rAux.contains(coordinates[0], coordinates[1]); |
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} |
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/*
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* (non-Javadoc)
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*
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* @see java.awt.Shape#getBounds()
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*/
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public Rectangle getBounds() { |
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return new Rectangle((int) coordinates[0], (int) coordinates[1], 0, 0); |
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} |
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/**
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* Devuelve la coordenada x del punto.
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*
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* @return Coordenada x.
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*/
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public double getX() { |
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return coordinates[0]; |
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} |
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/**
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* Devuelve la coordenada y del punto.
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*
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* @return Coordenada y.
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*/
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public double getY() { |
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return coordinates[1]; |
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} |
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/*
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* (non-Javadoc)
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*
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* @see java.awt.Shape#contains(java.awt.geom.Point2D)
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*/
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public boolean contains(java.awt.geom.Point2D p) { |
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return false; |
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} |
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/*
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* (non-Javadoc)
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*
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* @see java.awt.Shape#getBounds2D()
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*/
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public Rectangle2D getBounds2D() { |
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return new Rectangle2D.Double(coordinates[0] - 0.01, coordinates[1] - 0.01, 0.02, |
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0.02);
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} |
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/*
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* (non-Javadoc)
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*
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* @see java.awt.Shape#contains(java.awt.geom.Rectangle2D)
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*/
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public boolean contains(Rectangle2D r) { |
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return false; |
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} |
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/*
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* (non-Javadoc)
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*
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* @see java.awt.Shape#intersects(java.awt.geom.Rectangle2D)
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*/
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public boolean intersects(Rectangle2D r) { |
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return r.contains(coordinates[0], coordinates[1]); |
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} |
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/*
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* (non-Javadoc)
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*
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* @see java.awt.Shape#getPathIterator(java.awt.geom.AffineTransform)
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*/
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public PathIterator getPathIterator(AffineTransform at) { |
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return new PointIterator(getPoint2D(), at); |
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} |
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/*
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* (non-Javadoc)
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*
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* @see java.awt.Shape#getPathIterator(java.awt.geom.AffineTransform,
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* double)
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*/
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public PathIterator getPathIterator(AffineTransform at, double flatness) { |
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return new PointIterator(getPoint2D(), at); |
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} |
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private java.awt.geom.Point2D getPoint2D() {
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return new java.awt.geom.Point2D.Double(coordinates[0], coordinates[1]); |
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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 TYPES.POINT;
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} |
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/*
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* (non-Javadoc)
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*
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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 Point2D(getGeometryType(), id, projection, coordinates[0], coordinates[1]); |
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} |
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/*
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* (non-Javadoc)
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*
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* @see com.iver.cit.gvsig.fmap.core.FShape#reProject(org.cresques.cts.ICoordTrans)
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*/
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public void reProject(ICoordTrans ct) { |
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java.awt.geom.Point2D p = getPoint2D(); |
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p = ct.convert(p, p); |
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coordinates[0] = p.getX();
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coordinates[1] = p.getY();
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} |
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/*
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* (non-Javadoc)
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*
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* @see com.iver.cit.gvsig.fmap.core.FShape#getStretchingHandlers()
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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 PointHandler(0, coordinates[0], coordinates[1])); |
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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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*
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* @see com.iver.cit.gvsig.fmap.core.FShape#getSelectHandlers()
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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 PointHandler(0, coordinates[0], coordinates[1])); |
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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 PointHandler 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 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 PointHandler(int i, double x, double y) { |
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point = new java.awt.geom.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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coordinates[0] = coordinates[0] + x; |
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coordinates[1] = coordinates[1] + 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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coordinates[0] = x;
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coordinates[1] = y;
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} |
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} |
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/*
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* (non-Javadoc)
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*
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* @see org.gvsig.geometries.iso.GM_Object#coordinateDimension()
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*/
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public int getDimension() { |
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return 2; |
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} |
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public Envelope getEnvelope() {
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return new Envelope2D(coordinates[0] - 0.01, coordinates[1] - 0.01,coordinates[0]+0.02,coordinates[1]+ |
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0.02);
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} |
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public GeneralPathX getGeneralPath() {
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// TODO Auto-generated method stub
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return null; |
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} |
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public DirectPosition getDirectPosition() {
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return this; |
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} |
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public double getOrdinate(int dim) { |
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if (dim == 0) { |
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return getX();
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} else if (dim == 1) { |
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return getY();
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} else {
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return 0; |
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} |
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} |
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public boolean equals(Object other) { |
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if (!super.equals(other)) { |
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return false; |
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} |
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Point2D pother = (Point2D) other; |
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if (Math.abs(this.getX() - pother.getX()) > 0.0000001) { |
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return false; |
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} |
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if (Math.abs(this.getY() - pother.getY()) > 0.0000001) { |
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return false; |
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} |
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return true; |
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} |
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/* (non-Javadoc)
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* @see org.gvsig.fmap.geom.primitive.Point#getCoordinates()
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*/
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public double[] getCoordinates() { |
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return coordinates;
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} |
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/* (non-Javadoc)
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* @see org.gvsig.fmap.geom.primitive.Point#getDoordinateAt(int)
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*/
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public double getCoordinateAt(int dimension) { |
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return coordinates[dimension];
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} |
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/* (non-Javadoc)
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* @see org.gvsig.fmap.geom.primitive.Point#setCoordinateAt(int, double)
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*/
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public void setCoordinateAt(int dimension, double value) { |
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coordinates[dimension] = value; |
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} |
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/* (non-Javadoc)
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* @see org.gvsig.fmap.geom.primitive.Point#setCoordinates(double[])
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*/
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public void setCoordinates(double[] values) { |
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coordinates = values; |
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} |
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/* (non-Javadoc)
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* @see org.gvsig.fmap.geom.primitive.Point#setX(double)
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*/
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public void setX(double x) { |
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coordinates[0] = x;
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} |
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/* (non-Javadoc)
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* @see org.gvsig.fmap.geom.primitive.Point#setY(double)
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*/
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public void setY(double y) { |
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coordinates[1] = y;
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} |
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public String toString() { |
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StringBuffer buffer = new StringBuffer(); |
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buffer.append("Point2D(").append(coordinates[0]); |
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for(int i=1 ; i<coordinates.length; i++ ) { |
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buffer.append(",").append(coordinates[i]);
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} |
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buffer.append(")");
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return buffer.toString();
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} |
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} |