root / trunk / extensions / extGeoreferencing / src / com / iver / cit / gvsig / fmap / tools / Behavior / GeoRedimBehavior.java @ 2977
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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.tools.Behavior; |
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import java.awt.Color; |
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import java.awt.Cursor; |
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import java.awt.Graphics; |
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import java.awt.Image; |
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import java.awt.Point; |
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import java.awt.Rectangle; |
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import java.awt.Toolkit; |
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import java.awt.event.MouseEvent; |
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import java.awt.geom.Point2D; |
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import java.awt.geom.Rectangle2D; |
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import java.awt.image.BufferedImage; |
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import javax.swing.ImageIcon; |
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import org.cresques.px.Extent; |
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import com.iver.andami.PluginServices; |
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import com.iver.cit.gvsig.fmap.MapControl; |
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import com.iver.cit.gvsig.fmap.ViewPort; |
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import com.iver.cit.gvsig.fmap.layers.FLayer; |
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import com.iver.cit.gvsig.fmap.layers.FLyrGeoRaster; |
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import com.iver.cit.gvsig.fmap.layers.FLyrRaster; |
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import com.iver.cit.gvsig.fmap.tools.BehaviorException; |
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import com.iver.cit.gvsig.fmap.tools.Listeners.RectangleListener; |
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import com.iver.cit.gvsig.fmap.tools.Listeners.ToolListener; |
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import com.iver.cit.gvsig.gui.View; |
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import com.iver.cit.gvsig.gui.Dialogs.GeoreferencingDialog; |
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/**
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* Behaviour que espera un listener de tipo RedimListener.
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* Nacho Brodin (brodin_ign@gva.es)
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*
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*/
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public class GeoRedimBehavior extends Behavior { |
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private RectangleListener listener;
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private Cursor cur = null; |
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private final Image iconHoriz = new ImageIcon(MapControl.class.getResource( |
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"images/FlechaHorizCursor.gif")).getImage();
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private final Image iconVert = new ImageIcon(MapControl.class.getResource( |
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"images/FlechaVertCursor.gif")).getImage();
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private final Image iconInclDer = new ImageIcon(MapControl.class.getResource( |
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"images/FlechaInclDerCursor.gif")).getImage();
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private final Image iconInclIzq = new ImageIcon(MapControl.class.getResource( |
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"images/FlechaInclIzqCursor.gif")).getImage();
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private final Image defaultCursor = new ImageIcon(MapControl.class.getResource( |
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"images/ZoomInCursor.gif")).getImage();
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private int WIDTH_BORDER = 25; |
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private int LONG_CORNER = 35; |
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/**
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* Cada elemento del vector corresponde a un tipo de icono que
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* estar? a true si est? activo y a false si no lo est?.
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* horizontal, vertical, inclinado derecha, inclinado izquierda
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*/
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private boolean[] iconActive = {false, false, false, false}; |
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private Point2D ul = null; |
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private Point2D lr = null; |
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private Point2D tmpUl = null; |
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private Point2D tmpLr = null; |
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/**
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* Cada elemento corresponde a la acivaci?n de redimensionado en una
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* direcci?n que estar? activa a true.
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* vertical derecha, vertical izquierda, horizontal arriba, horizontal abajo,
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* inclinado
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*/
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private boolean[] redimActive = new boolean[5]; |
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private Point2D pointInit = null; |
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private Rectangle2D rectInit = null; |
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private FLyrGeoRaster lyrGeoRaster = null; |
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private GeoreferencingDialog parent = null; |
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/**
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* Crea un nuevo RectangleBehavior.
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*
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* @param zili listener.
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*/
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public GeoRedimBehavior(RectangleListener zili, GeoreferencingDialog p) {
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listener = zili; |
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parent = p; |
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for(int i=0; i<redimActive.length;i++) |
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redimActive[i] = false;
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} |
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/**
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* Funci?n que carga la capa si todav?a no lo est?.
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*/
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private void loadLayer(){ |
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//Cargamos la capa si esta es null
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if(this.lyrGeoRaster == null){ |
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View theView = (View) PluginServices.getMDIManager().getActiveView(); |
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for(int i=0;i<theView.getMapControl().getMapContext().getLayers().getLayersCount();i++){ |
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FLayer lyr = theView.getMapControl().getMapContext().getLayers().getLayer(i); |
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if(lyr instanceof FLyrGeoRaster) |
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this.lyrGeoRaster = (FLyrGeoRaster)lyr;
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} |
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} |
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} |
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/**
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* Cuando se produce un evento de pintado dibujamos el marco de la imagen para
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* que el usuario pueda seleccionar y redimensionar.
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*/
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public void paintComponent(Graphics g) { |
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BufferedImage img = getMapControl().getImage();
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g.drawImage(img, 0, 0, null); |
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g.setColor(Color.red);
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ViewPort vp = getMapControl().getMapContext().getViewPort(); |
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loadLayer(); |
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Rectangle r = new Rectangle(); |
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if(tmpLr == null || tmpUl == null){ |
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ul = vp.fromMapPoint(lyrGeoRaster.getAssignExtent().getMin().getX(), lyrGeoRaster.getAssignExtent().getMin().getY()); |
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lr = vp.fromMapPoint(lyrGeoRaster.getAssignExtent().getMax().getX(), lyrGeoRaster.getAssignExtent().getMax().getY()); |
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r.setFrameFromDiagonal(ul, lr); |
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}else
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r.setFrameFromDiagonal(tmpUl, tmpLr); |
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g.drawRect(r.x, r.y, r.width, r.height); |
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} |
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/**
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* Reimplementaci?n del m?todo mousePressed de Behavior. Cuando se pulsa
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* estando sobre el marco de la imagen activamos la posibilidad de arrastrar
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* para redimensionar la imagen.
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*
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* @param e MouseEvent
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*/
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public void mousePressed(MouseEvent e) { |
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if (e.getButton() == MouseEvent.BUTTON1) { |
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loadLayer(); |
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tmpUl = ul; |
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tmpLr = lr; |
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ViewPort vp = getMapControl().getMapContext().getViewPort(); |
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double wcX = vp.toMapPoint(e.getX(), e.getY()).getX();
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double wcY = vp.toMapPoint(e.getX(), e.getY()).getY();
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double minX = lyrGeoRaster.getAssignExtent().getMin().getX();
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double minY = lyrGeoRaster.getAssignExtent().getMin().getY();
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double maxX = lyrGeoRaster.getAssignExtent().getMax().getX();
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double maxY = lyrGeoRaster.getAssignExtent().getMax().getY();
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if(iconActive[0]){//Estirar en horizontal activado |
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if(wcX > (maxX - WIDTH_BORDER) && wcX < maxX)
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redimActive[0] = true; |
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if(wcX < (minX + WIDTH_BORDER) && wcX > minX)
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redimActive[1] = true; |
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} |
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if(iconActive[1]){//Estirar en vertical activado |
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if(wcY > (maxY - WIDTH_BORDER) && wcY < maxY)
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redimActive[3] = true; |
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if(wcY < (minY + WIDTH_BORDER) && wcY > minY)
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redimActive[2] = true; |
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} |
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if(iconActive[2] || iconActive[3]){ //Estirar en oblicuo activado |
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redimActive[4] = true; |
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pointInit = e.getPoint(); |
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rectInit = new Rectangle2D.Double(tmpUl.getX(), tmpUl.getY(), tmpLr.getX() - tmpUl.getX(), tmpLr.getY() - tmpUl.getY()); |
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} |
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} |
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if (listener.cancelDrawing()) {
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getMapControl().cancelDrawing(); |
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} |
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getMapControl().repaint(); |
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} |
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/**
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* Reimplementaci?n del m?todo mouseReleased de Behavior. Desactivamos
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* los flags de redimensionado y a partir de la selecci?n del usuario
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* creamos un nuevo extent para la imagen. Con este extent creamos una nueva
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* capa que sustituir? a la anterior.
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*
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* @param e MouseEvent
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*
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* @throws BehaviorException Excepci?n lanzada cuando el Behavior.
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*/
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public void mouseReleased(MouseEvent e) throws BehaviorException { |
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if (e.getButton() == MouseEvent.BUTTON1) { |
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//Desactivamos los flags de redimensionado
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for(int i=0;i<redimActive.length;i++) |
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redimActive[i] = false;
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//Asignamos el nuevo extent a la imagen
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ViewPort vp = getMapControl().getMapContext().getViewPort(); |
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Extent ext = new Extent(vp.toMapPoint((int)tmpUl.getX(), (int)tmpUl.getY()).getX(), |
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vp.toMapPoint((int)tmpUl.getX(), (int)tmpUl.getY()).getY(), |
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vp.toMapPoint((int)tmpLr.getX(), (int)tmpLr.getY()).getX(), |
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vp.toMapPoint((int)tmpLr.getX(), (int)tmpLr.getY()).getY()); |
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if(this.lyrGeoRaster != null){ |
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((FLyrGeoRaster)getMapControl().getMapContext().getLayers().getLayer(lyrGeoRaster.getName())).setAssignExtent(ext); |
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getMapControl().getMapContext().invalidate(); |
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tmpUl = null;
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tmpLr = null;
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} |
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} |
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} |
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/**
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* Al arrastrar cuando se ha pulsado sobre el marco de la imagen recalculamos
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* el marco de la imagen
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*
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* @param e MouseEvent
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*/
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public void mouseDragged(MouseEvent e) { |
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double longLadoLargo = Math.abs(tmpLr.getX() - tmpUl.getX()); |
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double longLadoCorto = Math.abs(tmpLr.getY() - tmpUl.getY()); |
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if(redimActive[0]){//vertical derecha |
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double newLadoLargo = (e.getX() - tmpUl.getX());
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double newLadoCorto = (newLadoLargo * longLadoCorto) / longLadoLargo;
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double coordCentro = tmpLr.getY() + (Math.abs(tmpLr.getY() - tmpUl.getY()) / 2); |
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tmpUl = new Point2D.Double(tmpUl.getX(), coordCentro + (newLadoCorto/2)); |
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tmpLr = new Point2D.Double(e.getX(), coordCentro - (newLadoCorto/2)); |
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//System.out.println("Vertical derecha "+e.getPoint()+" newladoLargo="+newLadoLargo+" newladoCorto="+newLadoCorto+" centro="+coordCentro);
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//System.out.println("................ longLadoLargo="+longLadoLargo+" longLadoCorto="+longLadoCorto);
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} |
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if(redimActive[1]){//vertical izquierda |
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double newLadoLargo = (e.getX() - tmpLr.getX());
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double newLadoCorto = (newLadoLargo * longLadoCorto) / longLadoLargo;
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double coordCentro = tmpLr.getY() + (Math.abs(tmpLr.getY() - tmpUl.getY()) / 2); |
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tmpLr = new Point2D.Double(tmpLr.getX(), coordCentro + (newLadoCorto/2)); |
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tmpUl = new Point2D.Double(e.getX(), coordCentro - (newLadoCorto/2)); |
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} |
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if(redimActive[2]){//horizontal abajo |
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double newLadoCorto = (e.getY() - tmpLr.getY());
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double newLadoLargo = (newLadoCorto * longLadoLargo) / longLadoCorto;
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double coordCentro = tmpLr.getX() - (Math.abs(tmpLr.getX() - tmpUl.getX()) / 2); |
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tmpLr = new Point2D.Double(coordCentro + (newLadoLargo/2), tmpLr.getY()); |
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tmpUl = new Point2D.Double(coordCentro - (newLadoLargo/2), e.getY()); |
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} |
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if(redimActive[3]){//horizontal arriba |
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double newLadoCorto = (e.getY() - tmpUl.getY());
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double newLadoLargo = (newLadoCorto * longLadoLargo) / longLadoCorto;
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double coordCentro = tmpLr.getX() - (Math.abs(tmpLr.getX() - tmpUl.getX()) / 2); |
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tmpUl = new Point2D.Double(coordCentro + (newLadoLargo/2), tmpUl.getY()); |
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tmpLr = new Point2D.Double(coordCentro - (newLadoLargo/2), e.getY()); |
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} |
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if(redimActive[4]){//inclinado |
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double distX = (e.getX() - pointInit.getX());
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double distY = (e.getY() - pointInit.getY());
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double incrLadoLargo = 0D, incrLadoCorto = 0D; |
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incrLadoLargo = distX; |
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//Calculamos la distancia que incrementaremos al lado corto
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boolean ejeXLargo = true; |
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if(longLadoCorto > longLadoLargo){
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double tmp = longLadoLargo;
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longLadoLargo = longLadoCorto; |
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longLadoCorto = tmp; |
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ejeXLargo = false;
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} |
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incrLadoCorto = (incrLadoLargo * longLadoCorto) / longLadoLargo; |
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Point2D antUl = tmpUl;
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Point2D antLr = tmpLr;
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if(distX > 0 && e.getX() > lr.getX()){ |
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tmpUl = new Point2D.Double(rectInit.getMinX() - Math.abs(incrLadoLargo), rectInit.getMinY() + Math.abs(incrLadoCorto)); |
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tmpLr = new Point2D.Double(rectInit.getMaxX() + Math.abs(incrLadoLargo), rectInit.getMaxY() - Math.abs(incrLadoCorto)); |
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}else if(distX < 0 && e.getX() < ul.getX()){ |
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tmpUl = new Point2D.Double(rectInit.getMinX() - Math.abs(incrLadoLargo), rectInit.getMinY() + Math.abs(incrLadoCorto)); |
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tmpLr = new Point2D.Double(rectInit.getMaxX() + Math.abs(incrLadoLargo), rectInit.getMaxY() - Math.abs(incrLadoCorto)); |
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}else if(distX > 0 && e.getX() < lr.getX() && e.getX() > ul.getX()){ |
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tmpUl = new Point2D.Double(rectInit.getMinX() + Math.abs(incrLadoLargo), rectInit.getMinY() - Math.abs(incrLadoCorto)); |
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tmpLr = new Point2D.Double(rectInit.getMaxX() - Math.abs(incrLadoLargo), rectInit.getMaxY() + Math.abs(incrLadoCorto)); |
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}else if(distX < 0 && e.getX() < lr.getX() && e.getX() > ul.getX()){ |
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tmpUl = new Point2D.Double(rectInit.getMinX() + Math.abs(incrLadoLargo), rectInit.getMinY() - Math.abs(incrLadoCorto)); |
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tmpLr = new Point2D.Double(rectInit.getMaxX() - Math.abs(incrLadoLargo), rectInit.getMaxY() + Math.abs(incrLadoCorto)); |
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} |
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//A partir de un tama?o m?nimo no reducimos m?s
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if((tmpLr.getX() - tmpUl.getX()) < 100 || (tmpUl.getY() - tmpLr.getY()) < 100){ |
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tmpUl = antUl; |
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tmpLr = antLr; |
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} |
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} |
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getMapControl().repaint(); |
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} |
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/**
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* @see com.iver.cit.gvsig.fmap.tools.Behavior.Behavior#setListener(com.iver.cit.gvsig.fmap.tools.ToolListener)
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*/
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public void setListener(ToolListener listener) { |
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this.listener = (RectangleListener) listener;
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} |
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/**
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* @see com.iver.cit.gvsig.fmap.tools.Behavior.Behavior#getListener()
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*/
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public ToolListener getListener() {
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return listener;
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} |
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/**
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* Cuando movemos el rat?n detecta si estamos en el marco de la
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* imagen y pone el icono del cursor del rat?n adecuado.
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*/
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public void mouseMoved(MouseEvent e) throws BehaviorException { |
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ViewPort vp = getMapControl().getMapContext().getViewPort(); |
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loadLayer(); |
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double wcX = vp.toMapPoint(e.getX(), e.getY()).getX();
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double wcY = vp.toMapPoint(e.getX(), e.getY()).getY();
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double minX = lyrGeoRaster.getAssignExtent().getMin().getX();
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double minY = lyrGeoRaster.getAssignExtent().getMin().getY();
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double maxX = lyrGeoRaster.getAssignExtent().getMax().getX();
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double maxY = lyrGeoRaster.getAssignExtent().getMax().getY();
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//Calculamos el borde sobre el cual cambiar? el puntero del rat?n y la longitud de la esquina
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WIDTH_BORDER = (int)Math.round((maxX - minX) * 0.02); |
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LONG_CORNER = (int)Math.round((maxX - minX) * 0.03); |
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if(WIDTH_BORDER < 15) |
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WIDTH_BORDER = 15;
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if(LONG_CORNER < 20) |
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LONG_CORNER = 20;
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int iconPosActive = -1; |
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//Flecha horizontal
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if( ((wcX > minX && wcX < minX + WIDTH_BORDER) ||
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(wcX < maxX && wcX > maxX - WIDTH_BORDER )) && |
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(wcY < (maxY - LONG_CORNER)) && |
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(wcY > (minY + LONG_CORNER))){
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getMapControl().setCursor(Toolkit.getDefaultToolkit().createCustomCursor(iconHoriz,
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new Point(16, 16), "")); |
| 384 |
iconPosActive = 0;
|
| 385 |
|
| 386 |
}else{
|
| 387 |
//Flecha Vertical
|
| 388 |
if( ((wcY > minY && wcY < minY + WIDTH_BORDER) ||
|
| 389 |
(wcY < maxY && wcY > maxY - WIDTH_BORDER )) && |
| 390 |
(wcX < (maxX - LONG_CORNER)) && |
| 391 |
(wcX > (minX + LONG_CORNER))){
|
| 392 |
getMapControl().setCursor(Toolkit.getDefaultToolkit().createCustomCursor(iconVert,
|
| 393 |
new Point(16, 16), "")); |
| 394 |
iconPosActive = 1;
|
| 395 |
}else{
|
| 396 |
//Flecha oblicua derecha
|
| 397 |
if((wcX > (maxX - LONG_CORNER) && wcX < maxX &&
|
| 398 |
wcY < (minY + LONG_CORNER) && wcY > minY) || |
| 399 |
(wcX > minX && wcX < (minX + LONG_CORNER) && |
| 400 |
wcY < maxY && wcY > (maxY - LONG_CORNER))){
|
| 401 |
getMapControl().setCursor(Toolkit.getDefaultToolkit().createCustomCursor(iconInclIzq,
|
| 402 |
new Point(16, 16), "")); |
| 403 |
iconPosActive = 2;
|
| 404 |
}else{
|
| 405 |
//Flecha oblicua izquierda
|
| 406 |
if((wcX > minX && wcX < (minX + LONG_CORNER) &&
|
| 407 |
wcY < (minY + LONG_CORNER) && wcY > minY) || |
| 408 |
(wcX > (maxX - LONG_CORNER) && wcX < maxX && |
| 409 |
wcY > (maxY - LONG_CORNER) && wcY < maxY)){
|
| 410 |
getMapControl().setCursor(Toolkit.getDefaultToolkit().createCustomCursor(iconInclDer,
|
| 411 |
new Point(16, 16), "")); |
| 412 |
iconPosActive = 3;
|
| 413 |
}else{
|
| 414 |
getMapControl().setCursor(Toolkit.getDefaultToolkit().createCustomCursor(defaultCursor,
|
| 415 |
new Point(16, 16), "")); |
| 416 |
iconPosActive = -1;
|
| 417 |
} |
| 418 |
} |
| 419 |
} |
| 420 |
} |
| 421 |
|
| 422 |
//Ponemos a true el incono activado y a false el resto
|
| 423 |
for(int i=0;i<iconActive.length;i++){ |
| 424 |
if(i==iconPosActive)
|
| 425 |
iconActive[i] = true;
|
| 426 |
else
|
| 427 |
iconActive[i] = false;
|
| 428 |
} |
| 429 |
getMapControl().repaint(); |
| 430 |
} |
| 431 |
|
| 432 |
} |