root / trunk / libraries / libFMap_geometries / src / org / gvsig / fmap / geom / primitive / Point2D.java @ 20899
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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; |
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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.GeometryManager; |
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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.operation.println.PrintlnPoint2D; |
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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 { |
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private static final long serialVersionUID = 1L; |
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protected java.awt.geom.Point2D p;
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/** Instancia de GeometryType obtenida al registrar esta clase */
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private static final GeometryType geomType = GeometryManager.getInstance() |
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.registerGeometryType(Point2D.class);
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/** CTEs para identificar las operaciones registradas para el tipo de geometría geomType */
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public static final int OPERATION_PRINTLN = GeometryManager.getInstance() |
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.registerGeometryOperation("println", new PrintlnPoint2D(), geomType); |
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/**
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* Crea un nuevo Point2D.
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*
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* @param x
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* Coordenada x del punto.
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* @param y
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* Coordenada y del punto.
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*/
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public Point2D(String id, IProjection projection, double x, double y) { |
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super(id, projection);
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p = new java.awt.geom.Point2D.Double(x, y);
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} |
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public Point2D(String id, IProjection projection, java.awt.geom.Point2D p) { |
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super(id, projection);
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this.p = p;
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} |
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public Point2D(java.awt.geom.Point2D p) { |
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this(null, null, p); |
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} |
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public Point2D() { |
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this(null, null, null); |
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} |
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public Point2D(double x, double y) { |
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this(null, null, x, y); |
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} |
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/*
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* private void setPoint(double x, double y){ p = new
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* java.awt.geom.Point2D.Double(x, y); }
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*/
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/**
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* Aplica la transformaci�n 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(p, p); |
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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 == p.getX()) || (y == p.getY())) {
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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(p.getX(), 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 java.awt.Shape#getBounds()
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*/
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public Rectangle getBounds() { |
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return new Rectangle((int) p.getX(), (int) p.getY(), 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 p.getX();
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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 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 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(p.getX() - 0.01, p.getY() - 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(this.p); |
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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(p, 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(p, at); |
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} |
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/**
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* @see org.gvsig.fmap.geom.primitive.FShape#getShapeType()
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*/
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public int getShapeType() { |
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return FShape.POINT;
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} |
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/**
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* Devuelve el tipo de geometría (cte definido en interfaz)
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*/
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public int getGeomTypeAsInt() { |
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return Point.GEOM_TYPE; |
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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(id, projection, p.getX(), 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#reProject(org.cresques.cts.ICoordTrans)
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*/
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public void reProject(ICoordTrans ct) { |
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p = ct.convert(p, p); |
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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, p.getX(), p.getY())); |
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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, p.getX(), p.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 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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p.setLocation(p.getX() + x, p.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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p.setLocation(x, 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 getCoordinateDimension() { |
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return 2; |
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} |
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public GeometryType getGeometryType() {
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return geomType;
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} |
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} |