svn-gvsig-desktop / tags / v1_1_Build_1001 / libraries / libFMap / src / com / iver / cit / gvsig / fmap / tools / ZoomInListenerImpl.java @ 11984
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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 | } |