root / trunk / libraries / libFMap / src / com / iver / cit / gvsig / fmap / ViewPort.java @ 9515
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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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private boolean adjustableExtent=true; |
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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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* Sets the adjustable option, so the extent is automatically adjusted to view aspect.
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*
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* @param boolean Adjustable.
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*/
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public void setAdjustable(boolean adjustable) { |
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adjustableExtent = adjustable; |
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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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if (!listeners.contains(arg0))
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return listeners.add(arg0);
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return false; |
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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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Rectangle2D rect=new Rectangle2D.Double(); |
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Point2D p1=toMapPoint((int)r.getX(),(int)r.getY()); |
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Point2D p2=toMapPoint((int)r.getMaxX(),(int)r.getMaxY()); |
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rect.setFrameFromDiagonal(p1,p2); |
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return rect;
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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*MapContext.CHANGEM[getMapUnits()];
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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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* Refresca el extent.
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*
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*/
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public void refreshExtent() { |
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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 (adjustableExtent) {
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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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escalado.setToScale(scale, -scale); |
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} |
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else { // adjusted is same as extent |
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scale = escalaX; |
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adjustedExtent.setFrame(extent); |
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escalado.setToScale(escalaX, -escalaY); |
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} |
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translacion.setToTranslation(-getAdjustedExtent().getX(), |
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-getAdjustedExtent().getY() - getAdjustedExtent().getHeight()); |
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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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|
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try {
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at = trans.createInverse(); |
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|
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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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|
| 504 |
dist1pixel = pProv.x; |
| 505 |
dist3pixel = 3 * pProv.x;
|
| 506 |
} catch (NoninvertibleTransformException e) { |
| 507 |
System.err.println("transformada afin = " + trans.toString()); |
| 508 |
System.err.println("extent = " + extent.toString() + |
| 509 |
" imageSize= " + imageSize.toString());
|
| 510 |
throw new RuntimeException(e); |
| 511 |
} |
| 512 |
} |
| 513 |
|
| 514 |
/**
|
| 515 |
* Inserta la desviaci?n.
|
| 516 |
*
|
| 517 |
* @param p Punto.
|
| 518 |
*/
|
| 519 |
public void setOffset(Point2D p) { |
| 520 |
offset = p; |
| 521 |
} |
| 522 |
/**
|
| 523 |
* The offset is the position where to start drawing. The offset of a View is
|
| 524 |
* always (0, 0) because the drawing area fits with the full window area. But in
|
| 525 |
* a Layout it is up to the place where the FFrameView is located.
|
| 526 |
*
|
| 527 |
* @param p Point, in pixels, where the map starts.
|
| 528 |
*/
|
| 529 |
public Point2D getOffset() { |
| 530 |
return offset;
|
| 531 |
} |
| 532 |
/**
|
| 533 |
* Inserta el color de fondo.
|
| 534 |
*
|
| 535 |
* @param c Color de fondo.
|
| 536 |
*/
|
| 537 |
public void setBackColor(Color c) { |
| 538 |
backColor = c; |
| 539 |
callColorChanged(backColor); |
| 540 |
} |
| 541 |
|
| 542 |
/**
|
| 543 |
* Devuelve el color de fondo.
|
| 544 |
*
|
| 545 |
* @return Color de fondo.
|
| 546 |
*/
|
| 547 |
public Color getBackColor() { |
| 548 |
return backColor;
|
| 549 |
} |
| 550 |
|
| 551 |
/**
|
| 552 |
* Returns the extent currently covered by the view.
|
| 553 |
*
|
| 554 |
* @return Returns the adjustedExtent.
|
| 555 |
*/
|
| 556 |
public Rectangle2D getAdjustedExtent() { |
| 557 |
if (cliprect!=null){ |
| 558 |
return adjustedExtent.createIntersection(cliprect);
|
| 559 |
} |
| 560 |
return adjustedExtent;
|
| 561 |
} |
| 562 |
|
| 563 |
/**
|
| 564 |
* Devuelve la unidad de medida en la que queremos realizar nuestras mediciones y
|
| 565 |
* en la que se nos mostrar? toda la informaci?n.
|
| 566 |
*
|
| 567 |
* @return Returns the distanceUnits.
|
| 568 |
*/
|
| 569 |
public int getDistanceUnits() { |
| 570 |
return distanceUnits;
|
| 571 |
} |
| 572 |
|
| 573 |
/**
|
| 574 |
* Inserta la unidad de medida en la que queremos realizar nuestras mediciones y
|
| 575 |
* en la que se nos mostrar? toda la informaci?n.
|
| 576 |
*
|
| 577 |
* @param distanceUnits The distanceUnits to set.
|
| 578 |
*/
|
| 579 |
public void setDistanceUnits(int distanceUnits) { |
| 580 |
this.distanceUnits = distanceUnits;
|
| 581 |
} |
| 582 |
|
| 583 |
/**
|
| 584 |
* Devuelve la unidad de medida del mapa, es la unidad de medida en la que est? la cartogr?fia que cargamos,
|
| 585 |
* normalmente en metros.
|
| 586 |
*
|
| 587 |
* @return Returns the mapUnits.
|
| 588 |
*/
|
| 589 |
public int getMapUnits() { |
| 590 |
return mapUnits;
|
| 591 |
} |
| 592 |
|
| 593 |
/**
|
| 594 |
* Inserta la unidad de medida del mapa, es la unidad de medida en la que est? la cartogr?fia que cargamos,
|
| 595 |
* normalmente en metros.
|
| 596 |
*
|
| 597 |
* @param mapUnits The mapUnits to set.
|
| 598 |
*/
|
| 599 |
public void setMapUnits(int mapUnits) { |
| 600 |
this.mapUnits = mapUnits;
|
| 601 |
} |
| 602 |
|
| 603 |
/**
|
| 604 |
* Devuelve la anchura de la imagen.
|
| 605 |
*
|
| 606 |
* @return anchura en pixels de la imagen.
|
| 607 |
*/
|
| 608 |
public int getImageWidth() { |
| 609 |
return imageSize.width;
|
| 610 |
} |
| 611 |
|
| 612 |
/**
|
| 613 |
* Devuelve la altura de la imagen.
|
| 614 |
*
|
| 615 |
* @return altura de la imagen.
|
| 616 |
*/
|
| 617 |
public int getImageHeight() { |
| 618 |
return imageSize.height;
|
| 619 |
} |
| 620 |
|
| 621 |
/**
|
| 622 |
* Devuelve la distancia real de un pixel.
|
| 623 |
*
|
| 624 |
* @return Distancia real de un pixel.
|
| 625 |
*/
|
| 626 |
public double getDist1pixel() { |
| 627 |
return dist1pixel;
|
| 628 |
} |
| 629 |
|
| 630 |
/**
|
| 631 |
* Inserta la distancia real de un pixel.
|
| 632 |
*
|
| 633 |
* @param dist1pixel Distancia real de un pixel.
|
| 634 |
*/
|
| 635 |
public void setDist1pixel(double dist1pixel) { |
| 636 |
this.dist1pixel = dist1pixel;
|
| 637 |
} |
| 638 |
|
| 639 |
/**
|
| 640 |
* Devuelve la distancia real de tres pixel.
|
| 641 |
*
|
| 642 |
* @return Distancia real de tres pixel.
|
| 643 |
*/
|
| 644 |
public double getDist3pixel() { |
| 645 |
return dist3pixel;
|
| 646 |
} |
| 647 |
|
| 648 |
/**
|
| 649 |
* Inserta la distancia real de tres pixels.
|
| 650 |
*
|
| 651 |
* @param dist3pixel Distancia real de tres pixels.
|
| 652 |
*/
|
| 653 |
public void setDist3pixel(double dist3pixel) { |
| 654 |
this.dist3pixel = dist3pixel;
|
| 655 |
} |
| 656 |
|
| 657 |
/**
|
| 658 |
* Devuelve los Extents anteriores almacenados.
|
| 659 |
*
|
| 660 |
* @return Returns the extents.
|
| 661 |
*/
|
| 662 |
public ExtentHistory getExtents() {
|
| 663 |
return extents;
|
| 664 |
} |
| 665 |
|
| 666 |
/**
|
| 667 |
* Devuelve la proyecci?n.
|
| 668 |
*
|
| 669 |
* @return Returns the proj.
|
| 670 |
*/
|
| 671 |
public IProjection getProjection() {
|
| 672 |
return proj;
|
| 673 |
} |
| 674 |
|
| 675 |
/**
|
| 676 |
* Inserta la proyecci?n.
|
| 677 |
*
|
| 678 |
* @param proj The proj to set.
|
| 679 |
*/
|
| 680 |
public void setProjection(IProjection proj) { |
| 681 |
if(this.proj == null || !this.proj.getAbrev().equals(proj.getAbrev())) { |
| 682 |
this.proj = proj;
|
| 683 |
callProjectionChanged(proj); |
| 684 |
} |
| 685 |
} |
| 686 |
|
| 687 |
/**
|
| 688 |
* M?todo que solo lo utilizamos a la hora de imprimir. NO lanza
|
| 689 |
* un calculateAffineTransform, ni recalcula el adjustedExtent.
|
| 690 |
* TODO: Para evitar este m?todo, habr?a que redefinir el interfaz
|
| 691 |
* RasterAdapter, y que recibiera un ViewPortData.
|
| 692 |
* @param at
|
| 693 |
*/
|
| 694 |
public void setAffineTransform(AffineTransform at) |
| 695 |
{
|
| 696 |
this.trans = at;
|
| 697 |
} |
| 698 |
|
| 699 |
/**
|
| 700 |
* Devuelve el XMLEntity.
|
| 701 |
*
|
| 702 |
* @return XMLEntity.
|
| 703 |
*/
|
| 704 |
public XMLEntity getXMLEntity() {
|
| 705 |
XMLEntity xml = new XMLEntity();
|
| 706 |
xml.putProperty("className",this.getClass().getName()); |
| 707 |
|
| 708 |
if (adjustedExtent != null) { |
| 709 |
xml.putProperty("adjustedExtentX", adjustedExtent.getX());
|
| 710 |
xml.putProperty("adjustedExtentY", adjustedExtent.getY());
|
| 711 |
xml.putProperty("adjustedExtentW", adjustedExtent.getWidth());
|
| 712 |
xml.putProperty("adjustedExtentH", adjustedExtent.getHeight());
|
| 713 |
} |
| 714 |
|
| 715 |
if (backColor != null) |
| 716 |
xml.putProperty("backColor", StringUtilities.color2String(backColor));
|
| 717 |
|
| 718 |
if (clip != null) { |
| 719 |
xml.putProperty("clipX", clip.getX());
|
| 720 |
xml.putProperty("clipY", clip.getY());
|
| 721 |
xml.putProperty("clipW", clip.getWidth());
|
| 722 |
xml.putProperty("clipH", clip.getHeight());
|
| 723 |
} |
| 724 |
|
| 725 |
xml.putProperty("dist1pixel", dist1pixel);
|
| 726 |
xml.putProperty("dist3pixel", dist3pixel);
|
| 727 |
xml.putProperty("distanceUnits", distanceUnits);
|
| 728 |
|
| 729 |
if (extent != null) { |
| 730 |
xml.putProperty("extentX", extent.getX());
|
| 731 |
xml.putProperty("extentY", extent.getY());
|
| 732 |
xml.putProperty("extentW", extent.getWidth());
|
| 733 |
xml.putProperty("extentH", extent.getHeight());
|
| 734 |
} |
| 735 |
|
| 736 |
xml.addChild(extents.getXMLEntity()); |
| 737 |
xml.putProperty("mapUnits", mapUnits);
|
| 738 |
xml.putProperty("offsetX", offset.getX());
|
| 739 |
xml.putProperty("offsetY", offset.getY());
|
| 740 |
|
| 741 |
if (proj != null) { |
| 742 |
xml.putProperty("proj", proj.getAbrev());
|
| 743 |
} |
| 744 |
|
| 745 |
xml.putProperty("scale", scale);
|
| 746 |
|
| 747 |
return xml;
|
| 748 |
} |
| 749 |
|
| 750 |
/**
|
| 751 |
* Crea un nuevo ViewPort a partir del XMLEntity.
|
| 752 |
*
|
| 753 |
* @param xml XMLEntity.
|
| 754 |
*
|
| 755 |
* @return Nuevo ViewPort.
|
| 756 |
*/
|
| 757 |
public static ViewPort createFromXML03(XMLEntity xml) { |
| 758 |
ViewPort vp = new ViewPort(null); |
| 759 |
|
| 760 |
if (xml.contains("adjustedExtentX")) { |
| 761 |
vp.adjustedExtent = new Rectangle2D.Double(xml.getDoubleProperty( |
| 762 |
"adjustedExtentX"),
|
| 763 |
xml.getDoubleProperty("adjustedExtentY"),
|
| 764 |
xml.getDoubleProperty("adjustedExtentW"),
|
| 765 |
xml.getDoubleProperty("adjustedExtentH"));
|
| 766 |
} |
| 767 |
|
| 768 |
if (xml.contains("backColor")) { |
| 769 |
vp.setBackColor(StringUtilities.string2Color(xml.getStringProperty( |
| 770 |
"backColor")));
|
| 771 |
} |
| 772 |
|
| 773 |
if (xml.contains("clipX")) { |
| 774 |
vp.clip = new Rectangle2D.Double(xml.getDoubleProperty("clipX"), |
| 775 |
xml.getDoubleProperty("clipY"),
|
| 776 |
xml.getDoubleProperty("clipW"),
|
| 777 |
xml.getDoubleProperty("clipH"));
|
| 778 |
} |
| 779 |
|
| 780 |
vp.setDist1pixel(xml.getDoubleProperty("dist1pixel"));
|
| 781 |
vp.setDist3pixel(xml.getDoubleProperty("dist3pixel"));
|
| 782 |
vp.setDistanceUnits(xml.getIntProperty("distanceUnits"));
|
| 783 |
vp.extents = ExtentHistory.createFromXML03(xml.getChild(0));
|
| 784 |
|
| 785 |
if (xml.contains("extentX")) { |
| 786 |
vp.setExtent(new Rectangle2D.Double(xml.getDoubleProperty("extentX"), |
| 787 |
xml.getDoubleProperty("extentY"),
|
| 788 |
xml.getDoubleProperty("extentW"),
|
| 789 |
xml.getDoubleProperty("extentH")));
|
| 790 |
|
| 791 |
//Calcula la transformaci?n af?n
|
| 792 |
vp.calculateAffineTransform(); |
| 793 |
|
| 794 |
// Lanzamos los eventos de extent cambiado
|
| 795 |
// vp.callExtentListeners(vp.adjustedExtent);
|
| 796 |
} |
| 797 |
|
| 798 |
vp.setMapUnits(xml.getIntProperty("mapUnits"));
|
| 799 |
vp.setOffset(new Point2D.Double(xml.getDoubleProperty("offsetX"), |
| 800 |
xml.getDoubleProperty("offsetY")));
|
| 801 |
|
| 802 |
if (xml.contains("proj")) { |
| 803 |
vp.proj = CRSFactory.getCRS(xml.getStringProperty("proj"));
|
| 804 |
} |
| 805 |
|
| 806 |
//vp.setScale(xml.getDoubleProperty("scale"));
|
| 807 |
vp.refreshExtent(); |
| 808 |
return vp;
|
| 809 |
} |
| 810 |
|
| 811 |
/**
|
| 812 |
* Crea un nuevo ViewPort a partir del XMLEntity.
|
| 813 |
*
|
| 814 |
* @param xml XMLEntity.
|
| 815 |
*
|
| 816 |
* @return Nuevo ViewPort.
|
| 817 |
*/
|
| 818 |
public static ViewPort createFromXML(XMLEntity xml) { |
| 819 |
ViewPort vp = new ViewPort(null); |
| 820 |
|
| 821 |
if (xml.contains("adjustedExtentX")) { |
| 822 |
vp.adjustedExtent = new Rectangle2D.Double(xml.getDoubleProperty( |
| 823 |
"adjustedExtentX"),
|
| 824 |
xml.getDoubleProperty("adjustedExtentY"),
|
| 825 |
xml.getDoubleProperty("adjustedExtentW"),
|
| 826 |
xml.getDoubleProperty("adjustedExtentH"));
|
| 827 |
} |
| 828 |
|
| 829 |
if (xml.contains("backColor")) { |
| 830 |
vp.setBackColor(StringUtilities.string2Color(xml.getStringProperty( |
| 831 |
"backColor")));
|
| 832 |
}else {
|
| 833 |
vp.setBackColor(Color.white);
|
| 834 |
} |
| 835 |
|
| 836 |
if (xml.contains("clipX")) { |
| 837 |
vp.clip = new Rectangle2D.Double(xml.getDoubleProperty("clipX"), |
| 838 |
xml.getDoubleProperty("clipY"),
|
| 839 |
xml.getDoubleProperty("clipW"),
|
| 840 |
xml.getDoubleProperty("clipH"));
|
| 841 |
} |
| 842 |
|
| 843 |
vp.setDist1pixel(xml.getDoubleProperty("dist1pixel"));
|
| 844 |
vp.setDist3pixel(xml.getDoubleProperty("dist3pixel"));
|
| 845 |
vp.setDistanceUnits(xml.getIntProperty("distanceUnits"));
|
| 846 |
vp.extents = ExtentHistory.createFromXML(xml.getChild(0));
|
| 847 |
|
| 848 |
if (xml.contains("extentX")) { |
| 849 |
vp.setExtent(new Rectangle2D.Double(xml.getDoubleProperty("extentX"), |
| 850 |
xml.getDoubleProperty("extentY"),
|
| 851 |
xml.getDoubleProperty("extentW"),
|
| 852 |
xml.getDoubleProperty("extentH")));
|
| 853 |
|
| 854 |
//Calcula la transformaci?n af?n
|
| 855 |
vp.calculateAffineTransform(); |
| 856 |
|
| 857 |
// Lanzamos los eventos de extent cambiado
|
| 858 |
// vp.callExtentListeners(vp.adjustedExtent);
|
| 859 |
} |
| 860 |
|
| 861 |
vp.setMapUnits(xml.getIntProperty("mapUnits"));
|
| 862 |
vp.setOffset(new Point2D.Double(xml.getDoubleProperty("offsetX"), |
| 863 |
xml.getDoubleProperty("offsetY")));
|
| 864 |
|
| 865 |
if (xml.contains("proj")) { |
| 866 |
vp.proj = CRSFactory.getCRS(xml.getStringProperty("proj"));
|
| 867 |
} |
| 868 |
|
| 869 |
//vp.setScale(xml.getDoubleProperty("scale"));
|
| 870 |
vp.refreshExtent(); |
| 871 |
return vp;
|
| 872 |
} |
| 873 |
|
| 874 |
/**
|
| 875 |
* Clona el ViewPort.
|
| 876 |
*
|
| 877 |
* @return ViewPort clonado.
|
| 878 |
*/
|
| 879 |
public ViewPort cloneViewPort() {
|
| 880 |
return createFromXML(getXMLEntity());
|
| 881 |
} |
| 882 |
|
| 883 |
/**
|
| 884 |
* Devuelve el String con datos del ViewPort.
|
| 885 |
*
|
| 886 |
* @return Cadena con datos del ViewPort.
|
| 887 |
*/
|
| 888 |
public String toString() { |
| 889 |
String str;
|
| 890 |
str = "Datos del viewPort:\nExtent=" + extent + "\nadjustedExtent=" + |
| 891 |
adjustedExtent + "\nimageSize=" + imageSize + "\nescale=" + scale + |
| 892 |
"\ntrans=" + trans;
|
| 893 |
|
| 894 |
return str;
|
| 895 |
} |
| 896 |
|
| 897 |
public void setClipRect(Rectangle2D rectView) { |
| 898 |
cliprect=rectView; |
| 899 |
|
| 900 |
} |
| 901 |
|
| 902 |
public Rectangle2D fromMapRectangle(Rectangle2D r) { |
| 903 |
Rectangle2D rect=new Rectangle2D.Double(); |
| 904 |
Point2D p1=fromMapPoint((int)r.getX(),(int)r.getY()); |
| 905 |
Point2D p2=fromMapPoint((int)r.getMaxX(),(int)r.getMaxY()); |
| 906 |
rect.setFrameFromDiagonal(p1,p2); |
| 907 |
return rect;
|
| 908 |
} |
| 909 |
public void setScale(long s){ |
| 910 |
double x=extent.getX();
|
| 911 |
double y=extent.getY();
|
| 912 |
double escalaX = imageSize.getWidth() / extent.getWidth();
|
| 913 |
double w=imageSize.getWidth() / s;
|
| 914 |
double h=imageSize.getHeight() / s;
|
| 915 |
double difw = escalaX/s;
|
| 916 |
|
| 917 |
double x1 = (-x * difw) -
|
| 918 |
x+ |
| 919 |
extent.getWidth()/2;
|
| 920 |
double y1 = (-y * difw) -
|
| 921 |
y + |
| 922 |
extent.getHeight()/2;
|
| 923 |
double w1=extent.getWidth()*difw;
|
| 924 |
double h1=extent.getHeight()*difw;
|
| 925 |
extent.setRect(-x1,-y1,w1,h1); |
| 926 |
} |
| 927 |
|
| 928 |
} |