svn-gvsig-desktop / trunk / extensions / extWCS / src / com / iver / cit / gvsig / gui / toc / WCSZoomToPixelTocMenuEntry.java @ 7304
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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) 2005 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.gui.toc; |
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import java.awt.event.ActionEvent; |
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import java.awt.geom.Point2D; |
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import java.awt.geom.Rectangle2D; |
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import javax.swing.JMenuItem; |
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import com.iver.andami.PluginServices; |
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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.FLyrWCS; |
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import com.iver.cit.gvsig.project.documents.view.toc.TocMenuEntry; |
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import com.iver.cit.gvsig.project.documents.view.toc.gui.FPopupMenu; |
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/**
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* This class implements the TOC meny entry to do a zoom to pixel.
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* Zooming to a pixel causes to change the view's zoom to fit in the coverage's native
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* resolution.
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*
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* Entrada de men? para la activaci?n de la funcionalidad de zoom a un
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* pixel.
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* @author Jaume - jaume.dominguez@iver.es
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*/
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public class WCSZoomToPixelTocMenuEntry extends TocMenuEntry { |
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public static final int ZOOM_TO_VIEW_CENTER = 0x2; |
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private JMenuItem properties; |
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FLayer lyr = null;
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public int zoomType = ZOOM_TO_VIEW_CENTER; |
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public void initialize(FPopupMenu m) { |
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super.initialize(m);
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if (isTocItemBranch()) {
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lyr = getNodeLayer(); |
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// Opciones para capas raster
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if ((lyr instanceof FLyrWCS)) { |
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properties = new JMenuItem(PluginServices.getText(this, "Zoom_pixel")); |
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getMenu().add( properties ); |
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properties.setFont(FPopupMenu.theFont); |
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getMenu().setEnabled(true);
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// LWS getMenu().addSeparator();
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properties.addActionListener(this);
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} |
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} |
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} |
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/**
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* Calculates the zoom that fits the coverage native resolution.
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*
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* TODO fix the little loss of accuracy caused by a floating point issue
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*/
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public void actionPerformed(ActionEvent e) { |
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//System.out.println("Zoom a un pixel");
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ViewPort v = getMapContext().getViewPort(); |
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double w2 = v.getImageWidth()/2D; |
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double h2 = v.getImageHeight()/2D; |
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double wcOriginCenterX = v.getExtent().getMinX()+((v.getExtent().getMaxX()-v.getExtent().getMinX())/2D); |
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double wcOriginCenterY = v.getExtent().getMinY()+((v.getExtent().getMaxY()-v.getExtent().getMinY())/2D); |
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Point2D maxRes = ((FLyrWCS) lyr).getMaxResolution();
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//double wcDstMinX = wcOriginCenterX-w2*maxRes;
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double wcDstMinX = wcOriginCenterX-w2*maxRes.getX();
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//double wcDstMinY = wcOriginCenterY+h2*maxRes;
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double wcDstMinY = wcOriginCenterY+h2*maxRes.getY();
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//double wcDstWidth = w2*maxRes*2D;
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double wcDstWidth = w2*maxRes.getX()*2D; |
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//double wcDstHeight = h2*maxRes*2D;
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double wcDstHeight = h2*maxRes.getY()*2D; |
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getMapContext().getViewPort().setExtent( |
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new Rectangle2D.Double(wcDstMinX, wcDstMinY, wcDstWidth, wcDstHeight)); |
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} |
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} |
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