svn-gvsig-desktop / tags / v1_0_2_Build_908 / libraries / libFMap / src / com / iver / cit / gvsig / fmap / tools / ZoomInListenerImpl.java @ 11054
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| 1 | 1100 | fjp | /* 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 | 288 | vcaballero | package com.iver.cit.gvsig.fmap.tools; |
| 42 | |||
| 43 | 6878 | cesar | import com.iver.cit.gvsig.fmap.MapContext; |
| 44 | 1223 | fernando | import com.iver.cit.gvsig.fmap.MapControl; |
| 45 | 1050 | vcaballero | import com.iver.cit.gvsig.fmap.ViewPort; |
| 46 | import com.iver.cit.gvsig.fmap.tools.Events.RectangleEvent; |
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| 47 | import com.iver.cit.gvsig.fmap.tools.Listeners.RectangleListener; |
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| 48 | |||
| 49 | 291 | vcaballero | import java.awt.Cursor; |
| 50 | import java.awt.Image; |
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| 51 | import java.awt.Point; |
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| 52 | import java.awt.Toolkit; |
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| 53 | 288 | vcaballero | import java.awt.geom.Rectangle2D; |
| 54 | |||
| 55 | 291 | vcaballero | import javax.swing.ImageIcon; |
| 56 | 288 | vcaballero | |
| 57 | 291 | vcaballero | |
| 58 | 288 | vcaballero | /**
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| 59 | 1050 | vcaballero | * Implementaci?n de la interfaz RectangleListener como herramienta para
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| 60 | * realizar un zoom m?s.
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| 61 | 288 | vcaballero | *
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| 62 | * @author Vicente Caballero Navarro
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| 63 | */
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| 64 | public class ZoomInListenerImpl implements RectangleListener { |
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| 65 | 1223 | fernando | private final Image izoomin = new ImageIcon(MapControl.class.getResource( |
| 66 | 1050 | vcaballero | "images/ZoomInCursor.gif")).getImage();
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| 67 | 291 | vcaballero | private Cursor cur = Toolkit.getDefaultToolkit().createCustomCursor(izoomin, |
| 68 | 1050 | vcaballero | new Point(16, 16), ""); |
| 69 | 1223 | fernando | private MapControl mapCtrl;
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| 70 | 288 | vcaballero | |
| 71 | 1050 | vcaballero | /**
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| 72 | * Crea un nuevo RectangleListenerImpl.
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| 73 | *
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| 74 | * @param mapCtrl MapControl.
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| 75 | */
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| 76 | 1223 | fernando | public ZoomInListenerImpl(MapControl mapCtrl) {
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| 77 | 1050 | vcaballero | this.mapCtrl = mapCtrl;
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| 78 | } |
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| 79 | 288 | vcaballero | |
| 80 | 1050 | vcaballero | /**
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| 81 | * @see com.iver.cit.gvsig.fmap.tools.Listeners.RectangleListener#rectangle(com.iver.cit.gvsig.fmap.tools.Events.RectangleEvent)
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| 82 | */
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| 83 | public void rectangle(RectangleEvent event) { |
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| 84 | 1114 | fjp | Rectangle2D rect = event.getWorldCoordRect();
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| 85 | Rectangle2D pixelRect = event.getPixelCoordRect();
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| 86 | 1050 | vcaballero | Rectangle2D.Double r = new Rectangle2D.Double(); |
| 87 | 288 | vcaballero | |
| 88 | 1050 | vcaballero | ViewPort vp = mapCtrl.getMapContext().getViewPort(); |
| 89 | 6663 | caballero | |
| 90 | 1114 | fjp | if ((pixelRect.getWidth() < 3) && (pixelRect.getHeight() < 3)) |
| 91 | {
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| 92 | 1212 | vcaballero | if (vp.getExtent()!=null){ |
| 93 | 6878 | cesar | double factor = 1/MapContext.ZOOMINFACTOR; |
| 94 | 1212 | vcaballero | double nuevoX = rect.getMaxX() -
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| 95 | ((vp.getExtent().getWidth() * factor) / 2.0);
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| 96 | double nuevoY = rect.getMaxY() -
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| 97 | ((vp.getExtent().getHeight() * factor) / 2.0);
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| 98 | r.x = nuevoX; |
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| 99 | r.y = nuevoY; |
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| 100 | r.width = vp.getExtent().getWidth() * factor; |
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| 101 | r.height = vp.getExtent().getHeight() * factor; |
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| 102 | vp.setExtent(r); |
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| 103 | } |
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| 104 | 1114 | fjp | } |
| 105 | else
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| 106 | {
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| 107 | vp.setExtent(event.getWorldCoordRect()); |
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| 108 | } |
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| 109 | 1243 | fjp | // mapCtrl.drawMap(false);
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| 110 | 10656 | caballero | mapCtrl.getMapContext().clearAllCachingImageDrawnLayers(); |
| 111 | 1050 | vcaballero | } |
| 112 | |||
| 113 | 291 | vcaballero | /**
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| 114 | * @see com.iver.cit.gvsig.fmap.tools.Listeners.ToolListener#getCursor()
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| 115 | */
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| 116 | public Cursor getCursor() { |
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| 117 | return cur;
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| 118 | } |
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| 119 | 363 | fernando | |
| 120 | /**
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| 121 | * @see com.iver.cit.gvsig.fmap.tools.Listeners.ToolListener#cancelDrawing()
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| 122 | */
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| 123 | public boolean cancelDrawing() { |
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| 124 | 1243 | fjp | System.out.println("cancelDrawing del ZoomOutListenerImpl"); |
| 125 | 363 | fernando | return true; |
| 126 | } |
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| 127 | 288 | vcaballero | } |