svn-gvsig-desktop / branches / v2_0_0_prep / libraries / libFMap_mapcontext / src / org / gvsig / fmap / mapcontext / events / listeners / ViewPortListener.java @ 35183
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1 | 21200 | vcaballero | /* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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2 | *
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3 | * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
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4 | *
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5 | * This program is free software; you can redistribute it and/or
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6 | * modify it under the terms of the GNU General Public License
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7 | * as published by the Free Software Foundation; either version 2
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8 | * of the License, or (at your option) any later version.
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9 | *
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10 | * This program is distributed in the hope that it will be useful,
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11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 | * GNU General Public License for more details.
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14 | *
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15 | * You should have received a copy of the GNU General Public License
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16 | * along with this program; if not, write to the Free Software
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17 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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18 | *
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19 | * For more information, contact:
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20 | *
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21 | * Generalitat Valenciana
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22 | * Conselleria d'Infraestructures i Transport
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23 | * Av. Blasco Ib??ez, 50
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24 | * 46010 VALENCIA
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25 | * SPAIN
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26 | *
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27 | * +34 963862235
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28 | * gvsig@gva.es
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29 | * www.gvsig.gva.es
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30 | *
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31 | * or
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32 | *
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33 | * IVER T.I. S.A
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34 | * Salamanca 50
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35 | * 46005 Valencia
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36 | * Spain
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37 | *
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38 | * +34 963163400
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39 | * dac@iver.es
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40 | */
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41 | package org.gvsig.fmap.mapcontext.events.listeners; |
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42 | |||
43 | import org.gvsig.fmap.mapcontext.events.ColorEvent; |
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44 | import org.gvsig.fmap.mapcontext.events.ExtentEvent; |
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45 | import org.gvsig.fmap.mapcontext.events.ProjectionEvent; |
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46 | |||
47 | |||
48 | /**
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49 | * <p>Defines the interface for an object that listens to changes in a view port.</p>
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50 | */
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51 | public interface ViewPortListener { |
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52 | /**
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53 | * <p>Called when the <i>extent</i> of the view port has changed.</p>
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54 | *
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55 | * @param e an extend event object
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56 | */
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57 | void extentChanged(ExtentEvent e);
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58 | |||
59 | /**
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60 | * <p>Called when the background color of the view port has changed.</p>
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61 | *
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62 | * @param e a color event object
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63 | */
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64 | void backColorChanged(ColorEvent e);
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65 | |||
66 | /**
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67 | * <p>Called when the projection of the view port has changed.</p>
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68 | *
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69 | * @param e a projection event object
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70 | */
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71 | void projectionChanged(ProjectionEvent e);
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72 | } |