svn-gvsig-desktop / trunk / libraries / libFMap / src / com / iver / cit / gvsig / fmap / ViewPort.java @ 6187
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/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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*
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* Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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*
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* For more information, contact:
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*
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* Generalitat Valenciana
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* Conselleria d'Infraestructures i Transport
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* Av. Blasco Ib??ez, 50
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* 46010 VALENCIA
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* SPAIN
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*
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* +34 963862235
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* gvsig@gva.es
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* www.gvsig.gva.es
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*
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* or
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*
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* IVER T.I. S.A
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* Salamanca 50
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* 46005 Valencia
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* Spain
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*
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* +34 963163400
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* dac@iver.es
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*/
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package com.iver.cit.gvsig.fmap; |
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import java.awt.Color; |
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import java.awt.Dimension; |
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import java.awt.Point; |
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import java.awt.geom.AffineTransform; |
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import java.awt.geom.NoninvertibleTransformException; |
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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.GeoCalc; |
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import org.cresques.cts.IProjection; |
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import org.cresques.cts.gt2.CSUTM; |
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import com.iver.cit.gvsig.fmap.crs.CRSFactory; |
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import com.iver.utiles.StringUtilities; |
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import com.iver.utiles.XMLEntity; |
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/**
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* Clase con atributos de la vista.
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* 050211, jmorell: A?ado los Grados como unidad de mapa.
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*
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* @author Vicente Caballero Navarro
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*/
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public class ViewPort { |
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public static int KILOMETROS = 0; |
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public static int METROS = 1; |
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public static int CENTIMETRO = 2; |
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public static int MILIMETRO = 3; |
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public static int MILLAS = 4; |
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public static int YARDAS = 5; |
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public static int PIES = 6; |
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public static int PULGADAS = 7; |
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public static int GRADOS = 8; |
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/**
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* Resoluci?n (Puntos por pulgada) de la vista actual. Se necesita para los
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* c?lculos de escala geogr?fica.
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*/
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private static int dpi = java.awt.Toolkit.getDefaultToolkit() |
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.getScreenResolution(); |
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private Rectangle2D extent; |
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private Rectangle2D adjustedExtent; |
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private ExtentHistory extents = new ExtentHistory(); |
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private Dimension imageSize; |
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private AffineTransform trans = new AffineTransform(); |
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private int distanceUnits = METROS; |
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private int mapUnits = METROS; |
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private ArrayList listeners = new ArrayList(); |
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private Point2D offset = new Point2D.Double(0, 0); |
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private Rectangle2D clip; |
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private Color backColor = null; //Color.WHITE; |
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private IProjection proj;
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private double dist1pixel; |
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private double dist3pixel; |
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private double scale; |
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private Rectangle2D cliprect; |
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/**
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* Crea un nuevo ViewPort.
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*
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* @param proj Proyecci?n.
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*/
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public ViewPort(IProjection proj) {
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// Por defecto
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this.proj = proj;
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} |
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/**
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* A?ade un ViewPortListener al extentListener.
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*
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* @param arg0 ViewPortListener.
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*
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* @return True si ha sido a?adida correctamente.
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*/
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public boolean addViewPortListener(ViewPortListener arg0) { |
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return listeners.add(arg0);
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} |
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/**
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* Borra el ViewPortListener que se pasa como par?metro delos
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* extentListener.
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*
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* @param arg0 ViewPortListener.
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*
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* @return True si ha sido borrado correctamente.
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*/
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public boolean removeViewPortListener(ViewPortListener arg0) { |
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return listeners.remove(arg0);
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} |
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/**
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* Devuelve la distancia en pixels a partir de una distancia real.
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*
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* @param d Distancia real.
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*
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* @return Distancia en pixels.
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*/
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public int fromMapDistance(double d) { |
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Point2D.Double pWorld = new Point2D.Double(1, 1); |
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Point2D.Double pScreen = new Point2D.Double(); |
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try {
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trans.deltaTransform(pWorld, pScreen); |
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} catch (Exception e) { |
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System.err.print(e.getMessage());
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} |
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return (int) (d * pScreen.x); |
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} |
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/**
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* Devuelve un punto en pixels a partir de una coordenada X e Y real.
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*
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* @param x Coordenada X real.
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* @param y Coordenada Y real.
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*
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* @return Punto en pixels.
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*/
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public Point2D fromMapPoint(double x, double y) { |
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Point2D.Double pWorld = new Point2D.Double(x, y); |
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Point2D.Double pScreen = new Point2D.Double(); |
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try {
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trans.transform(pWorld, pScreen); |
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} catch (Exception e) { |
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System.err.print(e.getMessage());
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} |
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return pScreen;
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} |
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/**
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* Devuelve el punto en pixels a partir de un punto real.
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*
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* @param point Punto real.
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*
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* @return Punto en pixels.
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*/
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public Point2D fromMapPoint(Point2D point) { |
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return fromMapPoint(point.getX(), point.getY());
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} |
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/**
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* Devuelve un punto real a partir de una coordenada X e Y en pixels.
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*
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* @param x Coordenada X en pixels.
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* @param y Coordenada Y en pixels.
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*
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* @return Punto real.
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*/
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public Point2D toMapPoint(int x, int y) { |
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Point pScreen = new Point(x, y); |
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return toMapPoint(pScreen);
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} |
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public Rectangle2D toMapRectangle(Rectangle2D r){ |
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double w=toMapDistance((int)r.getWidth()); |
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double h=toMapDistance((int)r.getHeight()); |
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Point2D p1=toMapPoint((int)r.getX(),(int)r.getY()); |
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return new Rectangle2D.Double(p1.getX(),p1.getY(),w,h); |
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} |
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/**
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* Devuelve la distancia real a partir de la distancia en pixels.
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*
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* @param d Distancia en pixels.
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*
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* @return Distancia real.
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*/
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public double toMapDistance(int d) { |
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double dist = d / trans.getScaleX();
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return dist;
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} |
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/**
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* Devuelve un punto real a partir de un punto en pixels.
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*
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* @param pScreen Punto en pixels.
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*
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* @return Punto real.
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*
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* @throws RuntimeException
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*/
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public Point2D toMapPoint(Point2D pScreen) { |
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Point2D.Double pWorld = new Point2D.Double(); |
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AffineTransform at;
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try {
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at = trans.createInverse(); |
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at.transform(pScreen, pWorld); |
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} catch (NoninvertibleTransformException e) { |
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throw new RuntimeException(e); |
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} |
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return pWorld;
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} |
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/**
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* Calcula la distancia entre dos puntos en unidades de usuario. Los puntos
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* est?n en unidades de usuario. Se tiene en cuenta la proyecci?n, con lo
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* que es INDISPENSABLE que la variable proj contenga el valor correcto de
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* la proyecci?n.
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*
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* @param pt1
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* @param pt2
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*
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* @return distancia real.
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*/
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public double distanceWorld(Point2D pt1, Point2D pt2) { |
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double dist = -1; |
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dist = pt1.distance(pt2); |
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if ((proj != null) && !(proj instanceof CSUTM)) { |
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dist = new GeoCalc(proj).distanceVincenty(proj.toGeo(pt1),
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proj.toGeo(pt2)); |
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} |
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return dist;
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} |
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/**
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* Rellena el extent anterior como actual.
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*/
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public void setPreviousExtent() { |
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extent = extents.removePrev(); |
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//Calcula la transformaci?n af?n
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calculateAffineTransform(); |
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// Lanzamos los eventos de extent cambiado
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callExtentChanged(getAdjustedExtent()); |
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} |
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/**
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* <p>
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* When the zoom changes (for instance when using the zoom in or zoom out tools,
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* but also zooming to a selected feature or shape) the extent that covers that
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* area is the value returned by this method. It is not the actual area shown
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* in the view because it does not care about the aspect ratio. However, any
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* part of the real world contained in this extent is shown in the view.<br>
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* </p>
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* <p>
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* Probably <b>this is not what you are looking for</b>. If you are looking for
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* the complete extent currently shown, you must use getAdjustedExtent() method
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* which returns the extent that contains this one but regarding the current
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* view's aspect ratio.
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* </p>
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* @return Extent.
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*/
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public Rectangle2D getExtent() { |
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return extent;
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} |
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/**
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* Inserta el extent.
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*
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* @param r Extent.
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*/
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public void setExtent(Rectangle2D r) { |
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if (extent != null) { |
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extents.put(extent); |
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} |
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//Esto comprueba que el extent no es de anchura o altura = "0"
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//y si es as? lo redimensiona.
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if (r!=null &&((r.getWidth() == 0) || (r.getHeight() == 0))) { |
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extent = new Rectangle2D.Double(r.getMinX() - 0.1, |
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r.getMinY() - 0.1, r.getWidth() + 0.2, r.getHeight() + 0.2); |
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} else {
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extent = r; |
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} |
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//Calcula la transformaci?n af?n
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calculateAffineTransform(); |
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// Lanzamos los eventos de extent cambiado
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callExtentChanged(getAdjustedExtent()); |
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} |
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/**
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* Inserta la escala.
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* TODO: (FJP) Que alguien me explique qu? sentido tiene esto
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*
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* @param scale escala.
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*/
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public void setScale() { |
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//this.scale = scale;
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//Calcula la transformaci?n af?n
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calculateAffineTransform(); |
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// Lanzamos los eventos de extent cambiado
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callExtentChanged(getAdjustedExtent()); |
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} |
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/**
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* Devuelve la escala. Debe estar siempre actualizada y no calcularse nunca
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* aqu? pues se utiliza en el dibujado para cada geometr?a
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*
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* @return Escala.
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*/
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public double getScale() { |
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return proj.getScale(extent.getMinX(), extent.getMaxX(),
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imageSize.getWidth(), dpi); |
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} |
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/**
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* Devuelve la matriz de transformaci?n.
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*
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* @return Matriz de transformaci?n.
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*/
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public AffineTransform getAffineTransform() { |
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return trans;
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} |
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/**
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* Devuelve las dimensiones de la imagen.
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*
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* @return Returns the imageSize.
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*/
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public Dimension getImageSize() { |
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return imageSize;
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} |
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/**
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* Inserta las dimensiones de la imagen.
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*
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* @param imageSize The imageSize to set.
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*/
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public void setImageSize(Dimension imageSize) { |
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this.imageSize = imageSize;
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calculateAffineTransform(); |
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} |
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/**
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* Llamada a los listeners tras el cambio de extent.
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*
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* @param newRect Extent.
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*/
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private void callExtentChanged(Rectangle2D newRect) { |
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ExtentEvent ev = ExtentEvent.createExtentEvent(newRect); |
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for (int i = 0; i < listeners.size(); i++) { |
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ViewPortListener listener = (ViewPortListener) listeners.get(i); |
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listener.extentChanged(ev); |
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} |
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} |
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/**
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* Llamada a los listeners tras el cambio de color.
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*
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* @param c Color.
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*/
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private void callColorChanged(Color c) { |
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ColorEvent ce = ColorEvent.createColorEvent(c); |
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for (int i = 0; i < listeners.size(); i++) { |
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ViewPortListener listener = (ViewPortListener) listeners.get(i); |
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listener.backColorChanged(ce); |
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} |
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} |
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/**
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* Llamada a los listeners tras el cambio de extent.
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*
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* @param newRect Extent.
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*/
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private void callProjectionChanged(IProjection projection) { |
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ProjectionEvent ev = ProjectionEvent.createProjectionEvent(projection); |
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for (int i = 0; i < listeners.size(); i++) { |
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ViewPortListener listener = (ViewPortListener) listeners.get(i); |
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listener.projectionChanged(ev); |
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} |
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} |
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/**
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* C?lculo de la matriz de transformaci?n.
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*
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* @throws RuntimeException
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*/
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private void calculateAffineTransform() { |
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if ((imageSize == null) || (extent == null) || |
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(imageSize.getWidth() <= 0) || (imageSize.getHeight() <= 0)) { |
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return;
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} |
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AffineTransform escalado = new AffineTransform(); |
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AffineTransform translacion = new AffineTransform(); |
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double escalaX;
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double escalaY;
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escalaX = imageSize.getWidth() / extent.getWidth(); |
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escalaY = imageSize.getHeight() / extent.getHeight(); |
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double xCenter = extent.getCenterX();
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double yCenter = extent.getCenterY();
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double newHeight;
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double newWidth;
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adjustedExtent = new Rectangle2D.Double(); |
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if (escalaX < escalaY) {
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scale = escalaX; |
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newHeight = imageSize.getHeight() / scale; |
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adjustedExtent.setRect(xCenter - (extent.getWidth() / 2.0),
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yCenter - (newHeight / 2.0), extent.getWidth(), newHeight);
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} else {
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scale = escalaY; |
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newWidth = imageSize.getWidth() / scale; |
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adjustedExtent.setRect(xCenter - (newWidth / 2.0),
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yCenter - (extent.getHeight() / 2.0), newWidth,
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extent.getHeight()); |
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} |
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translacion.setToTranslation(-getAdjustedExtent().getX(), |
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-getAdjustedExtent().getY() - getAdjustedExtent().getHeight()); |
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escalado.setToScale(scale, -scale); |
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AffineTransform offsetTrans = new AffineTransform(); |
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offsetTrans.setToTranslation(offset.getX(), offset.getY()); |
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trans.setToIdentity(); |
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trans.concatenate(offsetTrans); |
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trans.concatenate(escalado); |
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trans.concatenate(translacion); |
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// Calculamos las distancias de 1 pixel y 3 pixel con esa transformaci?n
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// de coordenadas, de forma que est?n precalculadas para cuando las necesitemos
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AffineTransform at;
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try {
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at = trans.createInverse(); |
480 |
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java.awt.Point pPixel = new java.awt.Point(1, 1); |
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Point2D.Float pProv = new Point2D.Float(); |
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at.deltaTransform(pPixel, pProv); |
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dist1pixel = pProv.x; |
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dist3pixel = 3 * pProv.x;
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} catch (NoninvertibleTransformException e) { |
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System.err.println("transformada afin = " + trans.toString()); |
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System.err.println("extent = " + extent.toString() + |
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" imageSize= " + imageSize.toString());
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throw new RuntimeException(e); |
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} |
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} |
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|
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/**
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* Inserta la desviaci?n.
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*
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* @param p Punto.
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*/
|
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public void setOffset(Point2D p) { |
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offset = p; |
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} |
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/**
|
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* The offset is the position where to start drawing. The offset of a View is
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* always (0, 0) because the drawing area fits with the full window area. But in
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* a Layout it is up to the place where the FFrameView is located.
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*
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* @param p Point, in pixels, where the map starts.
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*/
|
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public Point2D getOffset() { |
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return offset;
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} |
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/**
|
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* Inserta el color de fondo.
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*
|
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* @param c Color de fondo.
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*/
|
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public void setBackColor(Color c) { |
519 |
backColor = c; |
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callColorChanged(backColor); |
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} |
522 |
|
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/**
|
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* Devuelve el color de fondo.
|
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*
|
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* @return Color de fondo.
|
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*/
|
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public Color getBackColor() { |
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return backColor;
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} |
531 |
|
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/**
|
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* Returns the extent currently covered by the view.
|
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*
|
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* @return Returns the adjustedExtent.
|
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*/
|
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public Rectangle2D getAdjustedExtent() { |
538 |
if (cliprect!=null){ |
539 |
return adjustedExtent.createIntersection(cliprect);
|
540 |
} |
541 |
return adjustedExtent;
|
542 |
} |
543 |
|
544 |
/**
|
545 |
* Devuelve la unidad de medida.
|
546 |
*
|
547 |
* @return Returns the distanceUnits.
|
548 |
*/
|
549 |
public int getDistanceUnits() { |
550 |
return distanceUnits;
|
551 |
} |
552 |
|
553 |
/**
|
554 |
* Inserta la unidad de medida.
|
555 |
*
|
556 |
* @param distanceUnits The distanceUnits to set.
|
557 |
*/
|
558 |
public void setDistanceUnits(int distanceUnits) { |
559 |
this.distanceUnits = distanceUnits;
|
560 |
} |
561 |
|
562 |
/**
|
563 |
* Devuelve la unidad de medida del mapa.
|
564 |
*
|
565 |
* @return Returns the mapUnits.
|
566 |
*/
|
567 |
public int getMapUnits() { |
568 |
return mapUnits;
|
569 |
} |
570 |
|
571 |
/**
|
572 |
* Inserta la unidad de medida del mapa.
|
573 |
*
|
574 |
* @param mapUnits The mapUnits to set.
|
575 |
*/
|
576 |
public void setMapUnits(int mapUnits) { |
577 |
this.mapUnits = mapUnits;
|
578 |
} |
579 |
|
580 |
/**
|
581 |
* Devuelve la anchura de la imagen.
|
582 |
*
|
583 |
* @return anchura en pixels de la imagen.
|
584 |
*/
|
585 |
public int getImageWidth() { |
586 |
return imageSize.width;
|
587 |
} |
588 |
|
589 |
/**
|
590 |
* Devuelve la altura de la imagen.
|
591 |
*
|
592 |
* @return altura de la imagen.
|
593 |
*/
|
594 |
public int getImageHeight() { |
595 |
return imageSize.height;
|
596 |
} |
597 |
|
598 |
/**
|
599 |
* Devuelve la distancia real de un pixel.
|
600 |
*
|
601 |
* @return Distancia real de un pixel.
|
602 |
*/
|
603 |
public double getDist1pixel() { |
604 |
return dist1pixel;
|
605 |
} |
606 |
|
607 |
/**
|
608 |
* Inserta la distancia real de un pixel.
|
609 |
*
|
610 |
* @param dist1pixel Distancia real de un pixel.
|
611 |
*/
|
612 |
public void setDist1pixel(double dist1pixel) { |
613 |
this.dist1pixel = dist1pixel;
|
614 |
} |
615 |
|
616 |
/**
|
617 |
* Devuelve la distancia real de tres pixel.
|
618 |
*
|
619 |
* @return Distancia real de tres pixel.
|
620 |
*/
|
621 |
public double getDist3pixel() { |
622 |
return dist3pixel;
|
623 |
} |
624 |
|
625 |
/**
|
626 |
* Inserta la distancia real de tres pixels.
|
627 |
*
|
628 |
* @param dist3pixel Distancia real de tres pixels.
|
629 |
*/
|
630 |
public void setDist3pixel(double dist3pixel) { |
631 |
this.dist3pixel = dist3pixel;
|
632 |
} |
633 |
|
634 |
/**
|
635 |
* Devuelve los Extents anteriores almacenados.
|
636 |
*
|
637 |
* @return Returns the extents.
|
638 |
*/
|
639 |
public ExtentHistory getExtents() {
|
640 |
return extents;
|
641 |
} |
642 |
|
643 |
/**
|
644 |
* Devuelve la proyecci?n.
|
645 |
*
|
646 |
* @return Returns the proj.
|
647 |
*/
|
648 |
public IProjection getProjection() {
|
649 |
return proj;
|
650 |
} |
651 |
|
652 |
/**
|
653 |
* Inserta la proyecci?n.
|
654 |
*
|
655 |
* @param proj The proj to set.
|
656 |
*/
|
657 |
public void setProjection(IProjection proj) { |
658 |
if(this.proj == null || !this.proj.getAbrev().equals(proj.getAbrev())) { |
659 |
this.proj = proj;
|
660 |
callProjectionChanged(proj); |
661 |
} |
662 |
} |
663 |
|
664 |
/**
|
665 |
* M?todo que solo lo utilizamos a la hora de imprimir. NO lanza
|
666 |
* un calculateAffineTransform, ni recalcula el adjustedExtent.
|
667 |
* TODO: Para evitar este m?todo, habr?a que redefinir el interfaz
|
668 |
* RasterAdapter, y que recibiera un ViewPortData.
|
669 |
* @param at
|
670 |
*/
|
671 |
public void setAffineTransform(AffineTransform at) |
672 |
{ |
673 |
this.trans = at;
|
674 |
} |
675 |
|
676 |
/**
|
677 |
* Devuelve el XMLEntity.
|
678 |
*
|
679 |
* @return XMLEntity.
|
680 |
*/
|
681 |
public XMLEntity getXMLEntity() {
|
682 |
XMLEntity xml = new XMLEntity();
|
683 |
xml.putProperty("className",this.getClass().getName()); |
684 |
|
685 |
if (adjustedExtent != null) { |
686 |
xml.putProperty("adjustedExtentX", adjustedExtent.getX());
|
687 |
xml.putProperty("adjustedExtentY", adjustedExtent.getY());
|
688 |
xml.putProperty("adjustedExtentW", adjustedExtent.getWidth());
|
689 |
xml.putProperty("adjustedExtentH", adjustedExtent.getHeight());
|
690 |
} |
691 |
|
692 |
if (backColor != null) |
693 |
xml.putProperty("backColor", StringUtilities.color2String(backColor));
|
694 |
|
695 |
if (clip != null) { |
696 |
xml.putProperty("clipX", clip.getX());
|
697 |
xml.putProperty("clipY", clip.getY());
|
698 |
xml.putProperty("clipW", clip.getWidth());
|
699 |
xml.putProperty("clipH", clip.getHeight());
|
700 |
} |
701 |
|
702 |
xml.putProperty("dist1pixel", dist1pixel);
|
703 |
xml.putProperty("dist3pixel", dist3pixel);
|
704 |
xml.putProperty("distanceUnits", distanceUnits);
|
705 |
|
706 |
if (extent != null) { |
707 |
xml.putProperty("extentX", extent.getX());
|
708 |
xml.putProperty("extentY", extent.getY());
|
709 |
xml.putProperty("extentW", extent.getWidth());
|
710 |
xml.putProperty("extentH", extent.getHeight());
|
711 |
} |
712 |
|
713 |
xml.addChild(extents.getXMLEntity()); |
714 |
xml.putProperty("mapUnits", mapUnits);
|
715 |
xml.putProperty("offsetX", offset.getX());
|
716 |
xml.putProperty("offsetY", offset.getY());
|
717 |
|
718 |
if (proj != null) { |
719 |
xml.putProperty("proj", proj.getAbrev());
|
720 |
} |
721 |
|
722 |
xml.putProperty("scale", scale);
|
723 |
|
724 |
return xml;
|
725 |
} |
726 |
|
727 |
/**
|
728 |
* Crea un nuevo ViewPort a partir del XMLEntity.
|
729 |
*
|
730 |
* @param xml XMLEntity.
|
731 |
*
|
732 |
* @return Nuevo ViewPort.
|
733 |
*/
|
734 |
public static ViewPort createFromXML03(XMLEntity xml) { |
735 |
ViewPort vp = new ViewPort(null); |
736 |
|
737 |
if (xml.contains("adjustedExtentX")) { |
738 |
vp.adjustedExtent = new Rectangle2D.Double(xml.getDoubleProperty( |
739 |
"adjustedExtentX"),
|
740 |
xml.getDoubleProperty("adjustedExtentY"),
|
741 |
xml.getDoubleProperty("adjustedExtentW"),
|
742 |
xml.getDoubleProperty("adjustedExtentH"));
|
743 |
} |
744 |
|
745 |
if (xml.contains("backColor")) { |
746 |
vp.setBackColor(StringUtilities.string2Color(xml.getStringProperty( |
747 |
"backColor")));
|
748 |
} |
749 |
|
750 |
if (xml.contains("clipX")) { |
751 |
vp.clip = new Rectangle2D.Double(xml.getDoubleProperty("clipX"), |
752 |
xml.getDoubleProperty("clipY"),
|
753 |
xml.getDoubleProperty("clipW"),
|
754 |
xml.getDoubleProperty("clipH"));
|
755 |
} |
756 |
|
757 |
vp.setDist1pixel(xml.getDoubleProperty("dist1pixel"));
|
758 |
vp.setDist3pixel(xml.getDoubleProperty("dist3pixel"));
|
759 |
vp.setDistanceUnits(xml.getIntProperty("distanceUnits"));
|
760 |
vp.extents = ExtentHistory.createFromXML03(xml.getChild(0));
|
761 |
|
762 |
if (xml.contains("extentX")) { |
763 |
vp.setExtent(new Rectangle2D.Double(xml.getDoubleProperty("extentX"), |
764 |
xml.getDoubleProperty("extentY"),
|
765 |
xml.getDoubleProperty("extentW"),
|
766 |
xml.getDoubleProperty("extentH")));
|
767 |
|
768 |
//Calcula la transformaci?n af?n
|
769 |
vp.calculateAffineTransform(); |
770 |
|
771 |
// Lanzamos los eventos de extent cambiado
|
772 |
// vp.callExtentListeners(vp.adjustedExtent);
|
773 |
} |
774 |
|
775 |
vp.setMapUnits(xml.getIntProperty("mapUnits"));
|
776 |
vp.setOffset(new Point2D.Double(xml.getDoubleProperty("offsetX"), |
777 |
xml.getDoubleProperty("offsetY")));
|
778 |
|
779 |
if (xml.contains("proj")) { |
780 |
vp.proj = CRSFactory.getCRS(xml.getStringProperty("proj"));
|
781 |
} |
782 |
|
783 |
//vp.setScale(xml.getDoubleProperty("scale"));
|
784 |
vp.setScale(); |
785 |
return vp;
|
786 |
} |
787 |
|
788 |
/**
|
789 |
* Crea un nuevo ViewPort a partir del XMLEntity.
|
790 |
*
|
791 |
* @param xml XMLEntity.
|
792 |
*
|
793 |
* @return Nuevo ViewPort.
|
794 |
*/
|
795 |
public static ViewPort createFromXML(XMLEntity xml) { |
796 |
ViewPort vp = new ViewPort(null); |
797 |
|
798 |
if (xml.contains("adjustedExtentX")) { |
799 |
vp.adjustedExtent = new Rectangle2D.Double(xml.getDoubleProperty( |
800 |
"adjustedExtentX"),
|
801 |
xml.getDoubleProperty("adjustedExtentY"),
|
802 |
xml.getDoubleProperty("adjustedExtentW"),
|
803 |
xml.getDoubleProperty("adjustedExtentH"));
|
804 |
} |
805 |
|
806 |
if (xml.contains("backColor")) { |
807 |
vp.setBackColor(StringUtilities.string2Color(xml.getStringProperty( |
808 |
"backColor")));
|
809 |
} |
810 |
|
811 |
if (xml.contains("clipX")) { |
812 |
vp.clip = new Rectangle2D.Double(xml.getDoubleProperty("clipX"), |
813 |
xml.getDoubleProperty("clipY"),
|
814 |
xml.getDoubleProperty("clipW"),
|
815 |
xml.getDoubleProperty("clipH"));
|
816 |
} |
817 |
|
818 |
vp.setDist1pixel(xml.getDoubleProperty("dist1pixel"));
|
819 |
vp.setDist3pixel(xml.getDoubleProperty("dist3pixel"));
|
820 |
vp.setDistanceUnits(xml.getIntProperty("distanceUnits"));
|
821 |
vp.extents = ExtentHistory.createFromXML(xml.getChild(0));
|
822 |
|
823 |
if (xml.contains("extentX")) { |
824 |
vp.setExtent(new Rectangle2D.Double(xml.getDoubleProperty("extentX"), |
825 |
xml.getDoubleProperty("extentY"),
|
826 |
xml.getDoubleProperty("extentW"),
|
827 |
xml.getDoubleProperty("extentH")));
|
828 |
|
829 |
//Calcula la transformaci?n af?n
|
830 |
vp.calculateAffineTransform(); |
831 |
|
832 |
// Lanzamos los eventos de extent cambiado
|
833 |
// vp.callExtentListeners(vp.adjustedExtent);
|
834 |
} |
835 |
|
836 |
vp.setMapUnits(xml.getIntProperty("mapUnits"));
|
837 |
vp.setOffset(new Point2D.Double(xml.getDoubleProperty("offsetX"), |
838 |
xml.getDoubleProperty("offsetY")));
|
839 |
|
840 |
if (xml.contains("proj")) { |
841 |
vp.proj = CRSFactory.getCRS(xml.getStringProperty("proj"));
|
842 |
} |
843 |
|
844 |
//vp.setScale(xml.getDoubleProperty("scale"));
|
845 |
vp.setScale(); |
846 |
return vp;
|
847 |
} |
848 |
|
849 |
/**
|
850 |
* Clona el ViewPort.
|
851 |
*
|
852 |
* @return ViewPort clonado.
|
853 |
*/
|
854 |
public ViewPort cloneViewPort() {
|
855 |
return createFromXML(getXMLEntity());
|
856 |
} |
857 |
|
858 |
/**
|
859 |
* Devuelve el String con datos del ViewPort.
|
860 |
*
|
861 |
* @return Cadena con datos del ViewPort.
|
862 |
*/
|
863 |
public String toString() { |
864 |
String str;
|
865 |
str = "Datos del viewPort:\nExtent=" + extent + "\nadjustedExtent=" + |
866 |
adjustedExtent + "\nimageSize=" + imageSize + "\nescale=" + scale + |
867 |
"\ntrans=" + trans;
|
868 |
|
869 |
return str;
|
870 |
} |
871 |
|
872 |
public void setClipRect(Rectangle2D rectView) { |
873 |
cliprect=rectView; |
874 |
|
875 |
} |
876 |
|
877 |
public Rectangle2D fromMapRectangle(Rectangle2D r) { |
878 |
double w=fromMapDistance((int)r.getWidth()); |
879 |
double h=fromMapDistance((int)r.getHeight()); |
880 |
Point2D p1=fromMapPoint((int)r.getX(),(int)r.getY()); |
881 |
return new Rectangle2D.Double(p1.getX(),p1.getY(),w,h); |
882 |
} |
883 |
|
884 |
|
885 |
} |