svn-gvsig-desktop / branches / v2_0_0_prep / libraries / libFMap_mapcontext / src / org / gvsig / fmap / mapcontext / ViewPort.java @ 29519
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| 1 | 29506 | jtorres | /* gvSIG. Sistema de Informaci�n Geogr�fica de la Generalitat Valenciana
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| 2 | 21200 | vcaballero | *
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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 | 29506 | jtorres | * Av. Blasco Ib��ez, 50
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| 24 | 21200 | vcaballero | * 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; |
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| 42 | |||
| 43 | import java.awt.Color; |
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| 44 | import java.awt.Dimension; |
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| 45 | import java.awt.Point; |
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| 46 | 26225 | jmvivo | import java.awt.Toolkit; |
| 47 | 21200 | vcaballero | import java.awt.geom.AffineTransform; |
| 48 | import java.awt.geom.NoninvertibleTransformException; |
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| 49 | import java.awt.geom.Point2D; |
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| 50 | import java.awt.geom.Rectangle2D; |
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| 51 | import java.util.ArrayList; |
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| 52 | |||
| 53 | import org.cresques.cts.GeoCalc; |
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| 54 | import org.cresques.cts.IProjection; |
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| 55 | 27514 | cmartinez | import org.cresques.cts.UTM; |
| 56 | 21200 | vcaballero | import org.gvsig.fmap.crs.CRSFactory; |
| 57 | 27414 | jpiera | import org.gvsig.fmap.geom.GeometryLocator; |
| 58 | import org.gvsig.fmap.geom.GeometryManager; |
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| 59 | import org.gvsig.fmap.geom.Geometry.SUBTYPES; |
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| 60 | import org.gvsig.fmap.geom.exception.CreateEnvelopeException; |
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| 61 | 21426 | vcaballero | import org.gvsig.fmap.geom.primitive.Envelope; |
| 62 | 27019 | jpiera | import org.gvsig.fmap.geom.util.UtilFunctions; |
| 63 | 21200 | vcaballero | import org.gvsig.fmap.mapcontext.events.ColorEvent; |
| 64 | import org.gvsig.fmap.mapcontext.events.ExtentEvent; |
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| 65 | import org.gvsig.fmap.mapcontext.events.ProjectionEvent; |
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| 66 | import org.gvsig.fmap.mapcontext.events.listeners.ViewPortListener; |
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| 67 | 27414 | jpiera | import org.slf4j.Logger; |
| 68 | import org.slf4j.LoggerFactory; |
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| 69 | 21200 | vcaballero | |
| 70 | import com.iver.utiles.StringUtilities; |
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| 71 | import com.iver.utiles.XMLEntity; |
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| 72 | |||
| 73 | /**
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| 74 | 29519 | jtorres | * <p>
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| 75 | * <code>ViewPort</code> class represents the logic needed to transform a
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| 76 | * rectangular area of a map to the available area in screen to display it.
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| 77 | * </p>
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| 78 | *
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| 79 | * <p>
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| 80 | * Includes an affine transformation, between the rectangular area selected of
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| 81 | * the external map, in its own <i>map coordinates</i>, to the rectangular area
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| 82 | * available of a view in <i>screen coordinates</i>.
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| 83 | * </p>
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| 84 | *
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| 85 | * <p>
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| 86 | * Elements:
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| 87 | 21200 | vcaballero | * <ul>
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| 88 | * <li><i>extent</i>: the area selected of the map, in <i>map coordinates</i>.
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| 89 | 29519 | jtorres | * <li><i>imageSize</i>: width and height in pixels (<i>screen coordinates</i>)
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| 90 | * of the area available in screen to display the area selected of the map.
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| 91 | * <li><i>adjustedExtent</i>: the area selected must be an scale of
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| 92 | * <i>imageSize</i>.<br>
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| 93 | * This implies adapt the extent, preserving and centering it, and adding around
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| 94 | * the needed area to fill all the image size. That added area will be extracted
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| 95 | * from the original map, wherever exists, and filled with the background color
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| 96 | * wherever not.
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| 97 | 21200 | vcaballero | * <li><i>scale</i>: the scale between the adjusted extent and the image size.
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| 98 | 29519 | jtorres | * <li><i>backColor</i>: the default background color in the view, if there is
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| 99 | * no map.
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| 100 | 21200 | vcaballero | * <li><i>trans</i>: the affine transformation.
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| 101 | * <li><i>proj</i>: map projection used in this view.
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| 102 | * <li><i>distanceUnits</i>: distance measurement units, of data in screen.
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| 103 | * <li><i>mapUnits</i>: measurement units, of data in map.
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| 104 | 29519 | jtorres | * <li><i>extents</i>: an {@link ExtentHistory ExtentHistory} with the last
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| 105 | * previous extents.
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| 106 | * <li><i>offset</i>: position in pixels of the available rectangular area,
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| 107 | * where start drawing the map.
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| 108 | * <li><i>dist1pixel</i>: the distance in <i>world coordinates</i> equivalent to
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| 109 | * 1 pixel in the view with the current extent.
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| 110 | * <li><i>dist3pixel</i>: the distance in <i>world coordinates</i> equivalent to
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| 111 | * 3 pixels in the view with the current extent.
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| 112 | * <li><i>listeners</i>: list with the {@link ViewPortListener ViewPortListener}
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| 113 | * registered.
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| 114 | 21200 | vcaballero | * </ul>
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| 115 | * </p>
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| 116 | 29519 | jtorres | *
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| 117 | 21200 | vcaballero | * @author Vicente Caballero Navarro
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| 118 | */
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| 119 | public class ViewPort { |
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| 120 | 29519 | jtorres | // /**
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| 121 | // * <p>Metric unit or length equal to 1000 meters.</p>
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| 122 | // */
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| 123 | // public static int KILOMETROS = 0;
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| 124 | //
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| 125 | // /**
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| 126 | // * <p>The base unit of length in the International System of Units that is
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| 127 | // equal to the distance
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| 128 | // * traveled by light in a vacuum in {frac;1;299,792,458} second or to
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| 129 | // about 39.37 inches.</p>
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| 130 | // */
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| 131 | // public static int METROS = 1;
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| 132 | //
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| 133 | // /**
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| 134 | // * <p>Metric unit or length equal to 0'01 meters.</p>
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| 135 | // */
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| 136 | // public static int CENTIMETRO = 2;
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| 137 | //
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| 138 | // /**
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| 139 | // * <p>Metric unit or length equal to 0'001 meters.</p>
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| 140 | // */
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| 141 | // public static int MILIMETRO = 3;
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| 142 | //
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| 143 | // /**
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| 144 | // * <p>The international statute mile by international agreement. It is
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| 145 | // defined to be precisely
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| 146 | // * 1,760 international yards (by definition, 0.9144 m each) and is
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| 147 | // therefore exactly 1,609.344
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| 148 | // * metres (1.609344 km).</p>
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| 149 | // */
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| 150 | // public static int MILLAS = 4;
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| 151 | //
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| 152 | // /**
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| 153 | // * <p>Unit of length equal in the United States to 0.9144 meter.</p>
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| 154 | // */
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| 155 | // public static int YARDAS = 5;
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| 156 | //
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| 157 | // /**
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| 158 | // * <p>Any of various units of length based on the length of the human
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| 159 | // foot; especially :
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| 160 | // * a unit equal to 1/3 yard and comprising 12 inches.</p>
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| 161 | // */
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| 162 | // public static int PIES = 6;
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| 163 | //
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| 164 | // /**
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| 165 | // * <p>Unit of length equal to 1/36 yard.</p>
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| 166 | // */
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| 167 | // public static int PULGADAS = 7;
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| 168 | //
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| 169 | // /**
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| 170 | // * <p>Grades according the current projection.</p>
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| 171 | // */
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| 172 | // public static int GRADOS = 8;
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| 173 | private static final GeometryManager geomManager = GeometryLocator |
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| 174 | .getGeometryManager(); |
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| 175 | private static final Logger logger = LoggerFactory |
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| 176 | .getLogger(GeometryManager.class); |
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| 177 | |||
| 178 | 21200 | vcaballero | /**
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| 179 | 29519 | jtorres | * <p>
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| 180 | * Screen resolution in <i>dots-per-inch</i>. Useful to calculate the
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| 181 | * geographic scale of the view.
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| 182 | * </p>
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| 183 | *
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| 184 | 21200 | vcaballero | * @see Toolkit#getScreenResolution()
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| 185 | * @see #getScale()
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| 186 | */
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| 187 | private static int dpi = java.awt.Toolkit.getDefaultToolkit() |
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| 188 | 29519 | jtorres | .getScreenResolution(); |
| 189 | 21200 | vcaballero | |
| 190 | /**
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| 191 | 29519 | jtorres | * <p>
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| 192 | * Area selected by user using some tool.
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| 193 | 21200 | vcaballero | * </p>
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| 194 | 29519 | jtorres | *
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| 195 | 21200 | vcaballero | * <p>
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| 196 | 29519 | jtorres | * When the zoom changes (for instance when using the zoom in or zoom out
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| 197 | * tools, but also zooming to a selected feature or shape) the extent that
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| 198 | * covers that area is the value returned by this method. It is not the
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| 199 | * actual area shown in the view because it does not care about the aspect
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| 200 | * ratio of the available area. However, any part of the real world
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| 201 | * contained in this extent is shown in the view.
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| 202 | 21200 | vcaballero | * </p>
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| 203 | 29519 | jtorres | * <p>
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| 204 | * Probably this is not what you are looking for. If you are looking for the
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| 205 | * complete extent currently shown, you must use
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| 206 | * {@linkplain #getAdjustedExtent()} method which returns the extent that
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| 207 | * contains this one but regarding the current view's aspect ratio.
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| 208 | * </p>
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| 209 | *
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| 210 | 21200 | vcaballero | * @see #getExtent()
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| 211 | 21426 | vcaballero | * @see #setEnvelope(Envelope)
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| 212 | 21200 | vcaballero | */
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| 213 | protected Rectangle2D extent; |
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| 214 | |||
| 215 | /**
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| 216 | 29519 | jtorres | * <p>
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| 217 | * Location and dimensions of the extent adjusted to the image size.
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| 218 | * </p>
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| 219 | *
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| 220 | 21200 | vcaballero | * @see #getAdjustedExtent()
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| 221 | */
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| 222 | protected Rectangle2D adjustedExtent; |
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| 223 | |||
| 224 | /**
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| 225 | 29519 | jtorres | * Draw version of the context. It's used for know when de componend has
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| 226 | * changed any visualization property
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| 227 | *
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| 228 | * @see getDrawVersion
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| 229 | * @see updateDrawVersion
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| 230 | */
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| 231 | private long drawVersion = 0L; |
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| 232 | |||
| 233 | /**
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| 234 | * <p>
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| 235 | * History with the last extents of the view.
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| 236 | * </p>
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| 237 | *
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| 238 | 21200 | vcaballero | * @see #setPreviousExtent()
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| 239 | * @see #getExtents()
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| 240 | */
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| 241 | protected ExtentHistory extents = new ExtentHistory(); |
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| 242 | |||
| 243 | /**
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| 244 | 29519 | jtorres | * <p>
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| 245 | * Size in <i>screen coordinates</i> of the rectangle where the image is
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| 246 | * displayed.
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| 247 | * </p>
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| 248 | * <p>
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| 249 | * Used by {@linkplain #calculateAffineTransform()} to calculate:<br>
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| 250 | *
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| 251 | 21200 | vcaballero | * <ul>
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| 252 | * <li>The new {@link #scale scale} .
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| 253 | * <li>The new {@link #adjustedExtent adjustableExtent} .
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| 254 | * <li>The new {@link #trans trans} .
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| 255 | 29519 | jtorres | * <li>The new real world coordinates equivalent to 1 pixel (
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| 256 | * {@link #dist1pixel dist1pixel}) .
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| 257 | * <li>The new real world coordinates equivalent to 3 pixels (
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| 258 | * {@link #dist3pixel dist3pixel}) .
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| 259 | 21200 | vcaballero | * </ul>
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| 260 | * </p>
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| 261 | 29519 | jtorres | *
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| 262 | 21200 | vcaballero | * @see #getImageSize()
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| 263 | * @see #getImageHeight()
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| 264 | * @see #getImageWidth()
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| 265 | * @see #setImageSize(Dimension)
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| 266 | */
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| 267 | private Dimension imageSize; |
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| 268 | |||
| 269 | /**
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| 270 | 29519 | jtorres | * <p>
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| 271 | * the affine transformation between the {@link #extent extent} in <i>map 2D
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| 272 | * coordinates</i> to the image area in the screen, in <i>screen 2D
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| 273 | * coordinates</i> (pixels).
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| 274 | * </p>
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| 275 | *
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| 276 | 21200 | vcaballero | * @see AffineTransform
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| 277 | 29519 | jtorres | *
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| 278 | 21200 | vcaballero | * @see #getAffineTransform()
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| 279 | * @see #setAffineTransform(AffineTransform)
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| 280 | * @see #calculateAffineTransform()
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| 281 | */
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| 282 | private AffineTransform trans = new AffineTransform(); |
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| 283 | |||
| 284 | /**
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| 285 | 29519 | jtorres | * <p>
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| 286 | * Measurement unit used for measuring distances and displaying information.
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| 287 | * </p>
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| 288 | *
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| 289 | 21200 | vcaballero | * @see #getDistanceUnits()
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| 290 | * @see #setDistanceUnits(int)
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| 291 | */
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| 292 | private int distanceUnits = 1; |
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| 293 | /**
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| 294 | 29519 | jtorres | * <p>
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| 295 | * Measurement unit used for measuring areas and displaying information.
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| 296 | * </p>
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| 297 | *
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| 298 | 21200 | vcaballero | * @see #getDistanceArea()
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| 299 | * @see #setDistanceArea(int)
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| 300 | */
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| 301 | private int distanceArea = 1; |
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| 302 | /**
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| 303 | 29519 | jtorres | * <p>
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| 304 | * Measurement unit used by this view port for the map.
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| 305 | * </p>
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| 306 | *
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| 307 | 21200 | vcaballero | * @see #getMapUnits()
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| 308 | * @see #setMapUnits(int)
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| 309 | */
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| 310 | private int mapUnits = 1; |
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| 311 | |||
| 312 | /**
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| 313 | 29519 | jtorres | * <p>
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| 314 | * Array with the {@link ViewPortListener ViewPortListener}s registered to
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| 315 | * this view port.
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| 316 | * </p>
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| 317 | *
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| 318 | 21200 | vcaballero | * @see #addViewPortListener(ViewPortListener)
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| 319 | * @see #removeViewPortListener(ViewPortListener)
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| 320 | */
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| 321 | private ArrayList listeners = new ArrayList(); |
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| 322 | |||
| 323 | /**
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| 324 | 29519 | jtorres | * <p>
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| 325 | * The offset is the position where start drawing the map.
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| 326 | * </p>
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| 327 | * <p>
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| 328 | * The offset of a <a href="http://www.gvsig.gva.es/">gvSIG</a>'s
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| 329 | * <i>View</i> is always (0, 0) because the drawing area fits with the full
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| 330 | * window area. But in a <a href="http://www.gvsig.gva.es/">gvSIG</a>'s
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| 331 | * <i>Layout</i> it's up to the place where the <code>FFrameView</code> is
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| 332 | * located.
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| 333 | * </p>
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| 334 | *
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| 335 | 21200 | vcaballero | * @see #getOffset()
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| 336 | * @see #setOffset(Point2D)
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| 337 | */
|
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| 338 | private Point2D offset = new Point2D.Double(0, 0); |
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| 339 | |||
| 340 | /**
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| 341 | 29519 | jtorres | * <p>
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| 342 | * Clipping area.
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| 343 | * </p>
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| 344 | 21200 | vcaballero | */
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| 345 | private Rectangle2D clip; |
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| 346 | |||
| 347 | /**
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| 348 | 29519 | jtorres | * <p>
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| 349 | * Background color of this view.
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| 350 | * </p>
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| 351 | *
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| 352 | 21200 | vcaballero | * @see #getBackColor()
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| 353 | * @see #setBackColor(Color)
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| 354 | */
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| 355 | 29519 | jtorres | private Color backColor = null; // Color.WHITE; |
| 356 | 21200 | vcaballero | |
| 357 | /**
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| 358 | 29519 | jtorres | * <p>
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| 359 | * Information about the map projection used in this view.
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| 360 | * </p>
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| 361 | *
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| 362 | 21200 | vcaballero | * @see #getProjection()
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| 363 | * @see #setProjection(IProjection)
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| 364 | */
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| 365 | private IProjection proj;
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| 366 | |||
| 367 | /**
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| 368 | 29519 | jtorres | * <p>
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| 369 | * Represents the distance in <i>world coordinates</i> equivalent to 1 pixel
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| 370 | * in the view with the current extent.
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| 371 | * </p>
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| 372 | *
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| 373 | 21200 | vcaballero | * @see #getDist1pixel()
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| 374 | * @see #setDist1pixel(double)
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| 375 | */
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| 376 | private double dist1pixel; |
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| 377 | |||
| 378 | /**
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| 379 | 29519 | jtorres | * <p>
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| 380 | * Represents the distance in <i>world coordinates</i> equivalent to 3
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| 381 | * pixels in the view with the current extent.
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| 382 | * </p>
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| 383 | *
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| 384 | 21200 | vcaballero | * @see #getDist3pixel()
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| 385 | * @see #setDist3pixel(double)
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| 386 | */
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| 387 | private double dist3pixel; |
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| 388 | |||
| 389 | /**
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| 390 | 29519 | jtorres | * <p>
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| 391 | * Ratio between the size of <code>imageSize</code> and <code>extent</code>:
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| 392 | * <br>
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| 393 | * <i>
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| 394 | *
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| 395 | * <pre>
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| 396 | * min{(imageSize.getHeight()/extent.getHeight(), imageSize.getWidth()/extent.getWidth())}
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| 397 | * </pre>
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| 398 | *
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| 399 | * </i>
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| 400 | * </p>
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| 401 | 21200 | vcaballero | */
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| 402 | private double scale; |
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| 403 | |||
| 404 | /**
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| 405 | 29519 | jtorres | * <p>
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| 406 | * Clipping area.
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| 407 | * </p>
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| 408 | *
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| 409 | 21200 | vcaballero | * @see #setClipRect(Rectangle2D)
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| 410 | */
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| 411 | private Rectangle2D cliprect; |
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| 412 | |||
| 413 | /**
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| 414 | * <p>
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| 415 | 29519 | jtorres | * Enables or disables the <i>"adjustable extent"</i> mode.
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| 416 | * </p>
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| 417 | *
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| 418 | * <p>
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| 419 | 21200 | vcaballero | * When calculates the affine transform, if
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| 420 | * <ul>
|
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| 421 | 29519 | jtorres | * <li><i>enabled</i>: the new <code>adjustedExtent</code> will have the (X,
|
| 422 | * Y) coordinates of the <code>extent</code> and an area that will be an
|
||
| 423 | * scale of the image size. That area will have different height or width
|
||
| 424 | * (not both) of the extent according the least ratio (height or width) in
|
||
| 425 | *
|
||
| 426 | * <pre>
|
||
| 427 | * image.size/extent.size"
|
||
| 428 | * </pre>.
|
||
| 429 | * <li><i>disabled</i>: the new <code>adjustedExtent</code> will be like
|
||
| 430 | * <code>extent</code>.
|
||
| 431 | 21200 | vcaballero | * </ul>
|
| 432 | * </p>
|
||
| 433 | 29519 | jtorres | *
|
| 434 | 21200 | vcaballero | * @see #setAdjustable(boolean)
|
| 435 | */
|
||
| 436 | 29519 | jtorres | private boolean adjustableExtent = true; |
| 437 | 21200 | vcaballero | |
| 438 | /**
|
||
| 439 | * <p>
|
||
| 440 | 29519 | jtorres | * Creates a new view port with the information of the projection in
|
| 441 | * <code>proj</code> argument, and default configuration:
|
||
| 442 | * </p>
|
||
| 443 | * <p>
|
||
| 444 | 21200 | vcaballero | * <ul>
|
| 445 | 29519 | jtorres | * <li><i><code>distanceUnits</code></i> = meters
|
| 446 | * <li><i><code>mapUnits</code></i> = meters
|
||
| 447 | * <li><i><code>backColor</code></i> = <i>undefined</i>
|
||
| 448 | * <li><i><code>offset</code></i> = <code>new Point2D.Double(0, 0);</code>
|
||
| 449 | 21200 | vcaballero | * </ul>
|
| 450 | * </p>
|
||
| 451 | 29519 | jtorres | *
|
| 452 | * @param proj
|
||
| 453 | * information of the projection for this view port
|
||
| 454 | 21200 | vcaballero | */
|
| 455 | public ViewPort(IProjection proj) {
|
||
| 456 | // Por defecto
|
||
| 457 | this.proj = proj;
|
||
| 458 | } |
||
| 459 | |||
| 460 | /**
|
||
| 461 | 29519 | jtorres | * <p>
|
| 462 | * Changes the status of the <i>"adjustable extent"</i> option to enabled or
|
||
| 463 | * disabled.
|
||
| 464 | * </p>
|
||
| 465 | *
|
||
| 466 | * <p>
|
||
| 467 | * If view port isn't adjustable, won't bear in mind the aspect ratio of the
|
||
| 468 | * available rectangular area to calculate the affine transform from the
|
||
| 469 | * original map in real coordinates. (Won't scale the image to adapt it to
|
||
| 470 | * the available rectangular area).
|
||
| 471 | * </p>
|
||
| 472 | *
|
||
| 473 | 21200 | vcaballero | * @param boolean the boolean to be set
|
| 474 | */
|
||
| 475 | public void setAdjustable(boolean adjustable) { |
||
| 476 | 29519 | jtorres | if (adjustable == adjustableExtent) {
|
| 477 | return;
|
||
| 478 | 26225 | jmvivo | } |
| 479 | 21200 | vcaballero | adjustableExtent = adjustable; |
| 480 | 29519 | jtorres | this.updateDrawVersion();
|
| 481 | 21200 | vcaballero | } |
| 482 | |||
| 483 | /**
|
||
| 484 | 29519 | jtorres | * <p>
|
| 485 | * Appends the specified {@link ViewPortListener ViewPortListener} listener
|
||
| 486 | * if weren't.
|
||
| 487 | * </p>
|
||
| 488 | *
|
||
| 489 | * @param arg0
|
||
| 490 | * the listener to add
|
||
| 491 | *
|
||
| 492 | 21200 | vcaballero | * @return <code>true</code> if has been added successfully
|
| 493 | 29519 | jtorres | *
|
| 494 | 21200 | vcaballero | * @see #removeViewPortListener(ViewPortListener)
|
| 495 | */
|
||
| 496 | public boolean addViewPortListener(ViewPortListener arg0) { |
||
| 497 | 26905 | jmvivo | if (!listeners.contains(arg0)) {
|
| 498 | 21200 | vcaballero | return listeners.add(arg0);
|
| 499 | 26905 | jmvivo | } |
| 500 | 21200 | vcaballero | return false; |
| 501 | } |
||
| 502 | |||
| 503 | /**
|
||
| 504 | 29519 | jtorres | * <p>
|
| 505 | * Removes the specified {@link ViewPortListener ViewPortListener} listener,
|
||
| 506 | * if existed.
|
||
| 507 | * </p>
|
||
| 508 | *
|
||
| 509 | * @param arg0
|
||
| 510 | * the listener to remove
|
||
| 511 | *
|
||
| 512 | 21200 | vcaballero | * @return <code>true</code> if the contained the specified listener.
|
| 513 | 29519 | jtorres | *
|
| 514 | 21200 | vcaballero | * @see #addViewPortListener(ViewPortListener)
|
| 515 | */
|
||
| 516 | public boolean removeViewPortListener(ViewPortListener arg0) { |
||
| 517 | return listeners.remove(arg0);
|
||
| 518 | } |
||
| 519 | |||
| 520 | /**
|
||
| 521 | 29519 | jtorres | * <p>
|
| 522 | * Converts and returns the distance <code>d</code>, that is in <i>map
|
||
| 523 | * coordinates</i> to <i>screen coordinates</i> using a <i>delta
|
||
| 524 | * transform</i> with the transformation affine information in the
|
||
| 525 | * {@link #trans #trans} attribute.
|
||
| 526 | * </p>
|
||
| 527 | *
|
||
| 528 | * @param d
|
||
| 529 | * distance in <i>map coordinates</i>
|
||
| 530 | *
|
||
| 531 | 21200 | vcaballero | * @return distance equivalent in <i>screen coordinates</i>
|
| 532 | 29519 | jtorres | *
|
| 533 | 21200 | vcaballero | * @see #toMapDistance(int)
|
| 534 | * @see AffineTransform#deltaTransform(Point2D, Point2D)S
|
||
| 535 | */
|
||
| 536 | public int fromMapDistance(double d) { |
||
| 537 | Point2D.Double pWorld = new Point2D.Double(1, 1); |
||
| 538 | Point2D.Double pScreen = new Point2D.Double(); |
||
| 539 | |||
| 540 | try {
|
||
| 541 | trans.deltaTransform(pWorld, pScreen); |
||
| 542 | } catch (Exception e) { |
||
| 543 | System.err.print(e.getMessage());
|
||
| 544 | } |
||
| 545 | |||
| 546 | return (int) (d * pScreen.x); |
||
| 547 | } |
||
| 548 | |||
| 549 | /**
|
||
| 550 | 29519 | jtorres | * <p>
|
| 551 | * Converts and returns the 2D point <code>(x,y)</code>, that is in <i>map
|
||
| 552 | * coordinates</i> to <i>screen coordinates</i> (pixels) using the affine
|
||
| 553 | * transformation in the {@link #trans #trans} attribute.
|
||
| 554 | * </p>
|
||
| 555 | *
|
||
| 556 | * @param x
|
||
| 557 | * the <code>x</code> <i>map coordinate</i> of a 2D point
|
||
| 558 | * @param y
|
||
| 559 | * the <code>y</code> <i>map coordinate</i> of a 2D point
|
||
| 560 | *
|
||
| 561 | 21200 | vcaballero | * @return 2D point equivalent in <i>screen coordinates</i> (pixels)
|
| 562 | 29519 | jtorres | *
|
| 563 | 21200 | vcaballero | * @see #fromMapPoint(Point2D)
|
| 564 | * @see AffineTransform#transform(Point2D, Point2D)
|
||
| 565 | */
|
||
| 566 | public Point2D fromMapPoint(double x, double y) { |
||
| 567 | Point2D.Double pWorld = new Point2D.Double(x, y); |
||
| 568 | Point2D.Double pScreen = new Point2D.Double(); |
||
| 569 | |||
| 570 | try {
|
||
| 571 | trans.transform(pWorld, pScreen); |
||
| 572 | } catch (Exception e) { |
||
| 573 | System.err.print(e.getMessage());
|
||
| 574 | } |
||
| 575 | |||
| 576 | return pScreen;
|
||
| 577 | } |
||
| 578 | |||
| 579 | /**
|
||
| 580 | 29519 | jtorres | * <p>
|
| 581 | * Converts and returns the 2D point argument, that is in <i>map
|
||
| 582 | * coordinates</i> to <i>screen coordinates</i> (pixels) using the affine
|
||
| 583 | * transformation in the {@link #trans #trans} attribute.
|
||
| 584 | * </p>
|
||
| 585 | *
|
||
| 586 | * @param point
|
||
| 587 | * the 2D point in <i>map coordinates</i>
|
||
| 588 | *
|
||
| 589 | 21200 | vcaballero | * @return 2D point equivalent in <i>screen coordinates</i> (pixels)
|
| 590 | 29519 | jtorres | *
|
| 591 | 21200 | vcaballero | * @see #toMapPoint(Point2D)
|
| 592 | * @see #fromMapPoint(double, double)
|
||
| 593 | */
|
||
| 594 | public Point2D fromMapPoint(Point2D point) { |
||
| 595 | return fromMapPoint(point.getX(), point.getY());
|
||
| 596 | } |
||
| 597 | |||
| 598 | /**
|
||
| 599 | 29519 | jtorres | * <p>
|
| 600 | * Converts and returns the 2D point <code>(x,y)</code>, that is in
|
||
| 601 | * <i>screen coordinates</i> (pixels) to <i>map coordinates</i> using the
|
||
| 602 | * affine transformation in the {@link #trans #trans} attribute.
|
||
| 603 | * </p>
|
||
| 604 | *
|
||
| 605 | * @param x
|
||
| 606 | * the <code>x</code> <i>screen coordinate</i> of a 2D point
|
||
| 607 | * @param y
|
||
| 608 | * the <code>y</code> <i>screen coordinate</i> of a 2D point
|
||
| 609 | *
|
||
| 610 | 21200 | vcaballero | * @return 2D point equivalent in <i>map coordinates</i>
|
| 611 | 29519 | jtorres | *
|
| 612 | 21200 | vcaballero | * @see #toMapPoint(Point2D)
|
| 613 | * @see #fromMapPoint(double, double)
|
||
| 614 | */
|
||
| 615 | public Point2D toMapPoint(int x, int y) { |
||
| 616 | 29279 | jldominguez | Point2D pScreen = new Point2D.Double(x, y); |
| 617 | 21200 | vcaballero | |
| 618 | return toMapPoint(pScreen);
|
||
| 619 | } |
||
| 620 | |||
| 621 | /**
|
||
| 622 | 29519 | jtorres | * <p>
|
| 623 | * Converts and returns the {@link Rectangle2D Rectangle2D}, that is in
|
||
| 624 | * <i>screen coordinates</i> (pixels) to <i>map coordinates</i> using
|
||
| 625 | * {@linkplain #toMapDistance(int)}, and {@linkplain #toMapPoint(int, int)}.
|
||
| 626 | * </p>
|
||
| 627 | *
|
||
| 628 | * @param r
|
||
| 629 | * the 2D rectangle in <i>screen coordinates</i> (pixels)
|
||
| 630 | 21200 | vcaballero | * @return 2D rectangle equivalent in <i>map coordinates</i>
|
| 631 | 29519 | jtorres | *
|
| 632 | 21200 | vcaballero | * @see #fromMapRectangle(Rectangle2D)
|
| 633 | * @see #toMapDistance(int)
|
||
| 634 | * @see #toMapPoint(int, int)
|
||
| 635 | */
|
||
| 636 | 29519 | jtorres | public Rectangle2D toMapRectangle(Rectangle2D r) { |
| 637 | Rectangle2D rect = new Rectangle2D.Double(); |
||
| 638 | Point2D p1 = toMapPoint((int) r.getX(), (int) r.getY()); |
||
| 639 | Point2D p2 = toMapPoint((int) r.getMaxX(), (int) r.getMaxY()); |
||
| 640 | rect.setFrameFromDiagonal(p1, p2); |
||
| 641 | 21200 | vcaballero | return rect;
|
| 642 | } |
||
| 643 | |||
| 644 | /**
|
||
| 645 | 29519 | jtorres | * <p>
|
| 646 | * Converts and returns the distance <code>d</code>, that is in <i>screen
|
||
| 647 | * coordinates</i> to <i>map coordinates</i> using the transformation affine
|
||
| 648 | * information in the {@link #trans #trans} attribute.
|
||
| 649 | * </p>
|
||
| 650 | *
|
||
| 651 | * @param d
|
||
| 652 | * distance in pixels
|
||
| 653 | *
|
||
| 654 | 21200 | vcaballero | * @return distance equivalent in <i>map coordinates</i>
|
| 655 | 29519 | jtorres | *
|
| 656 | 21200 | vcaballero | * @see #fromMapDistance(double)
|
| 657 | * @see AffineTransform
|
||
| 658 | */
|
||
| 659 | public double toMapDistance(int d) { |
||
| 660 | double dist = d / trans.getScaleX();
|
||
| 661 | |||
| 662 | return dist;
|
||
| 663 | } |
||
| 664 | |||
| 665 | /**
|
||
| 666 | 29519 | jtorres | * <p>
|
| 667 | * Converts and returns the 2D point argument, that is in <i>screen
|
||
| 668 | * coordinates</i> (pixels) to <i>map coordinates</i> using the inverse
|
||
| 669 | * affine transformation of the {@link #trans #trans} attribute.
|
||
| 670 | * </p>
|
||
| 671 | *
|
||
| 672 | * @param pScreen
|
||
| 673 | * the 2D point in <i>screen coordinates</i> (pixels)
|
||
| 674 | *
|
||
| 675 | 21200 | vcaballero | * @return 2D point equivalent in <i>map coordinates</i>
|
| 676 | 29519 | jtorres | *
|
| 677 | 21200 | vcaballero | * @see #toMapPoint(int, int)
|
| 678 | * @see AffineTransform#createInverse()
|
||
| 679 | * @see AffineTransform#transform(Point2D, Point2D)
|
||
| 680 | */
|
||
| 681 | public Point2D toMapPoint(Point2D pScreen) { |
||
| 682 | Point2D.Double pWorld = new Point2D.Double(); |
||
| 683 | AffineTransform at;
|
||
| 684 | |||
| 685 | try {
|
||
| 686 | at = trans.createInverse(); |
||
| 687 | at.transform(pScreen, pWorld); |
||
| 688 | } catch (NoninvertibleTransformException e) { |
||
| 689 | 29519 | jtorres | throw new RuntimeException("Non invertible transform Exception", e); |
| 690 | 21200 | vcaballero | } |
| 691 | |||
| 692 | return pWorld;
|
||
| 693 | } |
||
| 694 | |||
| 695 | /**
|
||
| 696 | 29519 | jtorres | * <p>
|
| 697 | * Returns the real distance (in <i>world coordinates</i>) at the graphic
|
||
| 698 | * layers of two 2D points (in <i>map coordinates</i>) of the plane where is
|
||
| 699 | * selected the <i>extent</i>.
|
||
| 700 | * </p>
|
||
| 701 | * <p>
|
||
| 702 | * If the projection of this view is UTM, considers the Earth curvature.
|
||
| 703 | * </p>
|
||
| 704 | *
|
||
| 705 | * @param pt1
|
||
| 706 | * a 2D point in <i>map coordinates</i>
|
||
| 707 | * @param pt2
|
||
| 708 | * another 2D point in <i>map coordinates</i>
|
||
| 709 | *
|
||
| 710 | 21200 | vcaballero | * @return the distance in meters between the two points 2D
|
| 711 | 29519 | jtorres | *
|
| 712 | 27514 | cmartinez | * @see GeoCalcImpl#distanceVincenty(Point2D, Point2D)
|
| 713 | 21200 | vcaballero | */
|
| 714 | public double distanceWorld(Point2D pt1, Point2D pt2) { |
||
| 715 | double dist = -1; |
||
| 716 | dist = pt1.distance(pt2); |
||
| 717 | |||
| 718 | 27514 | cmartinez | if ((proj != null) && !(proj instanceof UTM)) { |
| 719 | 29519 | jtorres | dist = new GeoCalc(proj).distanceVincenty(proj.toGeo(pt1), proj
|
| 720 | .toGeo(pt2)); |
||
| 721 | 21200 | vcaballero | return dist;
|
| 722 | } |
||
| 723 | 29519 | jtorres | return (dist * MapContext.getDistanceTrans2Meter()[getMapUnits()]);
|
| 724 | 21200 | vcaballero | } |
| 725 | |||
| 726 | /**
|
||
| 727 | 29519 | jtorres | * <p>
|
| 728 | * Sets as extent and adjusted extent of this view port, the previous.
|
||
| 729 | * Recalculating its parameters.
|
||
| 730 | * </p>
|
||
| 731 | *
|
||
| 732 | 21200 | vcaballero | * @see #getExtents()
|
| 733 | * @see #calculateAffineTransform()
|
||
| 734 | 29503 | jpiera | * @deprecated use {@link ViewPort#setPreviousEnvelope()}
|
| 735 | 21200 | vcaballero | */
|
| 736 | public void setPreviousExtent() { |
||
| 737 | 29503 | jpiera | setPreviousEnvelope(); |
| 738 | } |
||
| 739 | 29519 | jtorres | |
| 740 | 29503 | jpiera | /**
|
| 741 | 29519 | jtorres | * <p>
|
| 742 | * Sets as envelope and adjusted envelope of this view port, the previous.
|
||
| 743 | * Recalculating its parameters.
|
||
| 744 | * </p>
|
||
| 745 | *
|
||
| 746 | 29503 | jpiera | * @see #getExtents()
|
| 747 | * @see #calculateAffineTransform()
|
||
| 748 | */
|
||
| 749 | public void setPreviousEnvelope() { |
||
| 750 | 26225 | jmvivo | this.updateDrawVersion();
|
| 751 | 21200 | vcaballero | extent = extents.removePrev(); |
| 752 | |||
| 753 | 29519 | jtorres | // Calcula la transformaci�n af�n
|
| 754 | 21200 | vcaballero | calculateAffineTransform(); |
| 755 | |||
| 756 | // Lanzamos los eventos de extent cambiado
|
||
| 757 | callExtentChanged(getAdjustedExtent()); |
||
| 758 | } |
||
| 759 | |||
| 760 | /**
|
||
| 761 | 29519 | jtorres | * <p>
|
| 762 | * Gets the area selected by user using some tool.
|
||
| 763 | * </p>
|
||
| 764 | *
|
||
| 765 | * <p>
|
||
| 766 | * When the zoom changes (for instance using the <i>zoom in</i> or <i>zoom
|
||
| 767 | * out</i> tools, but also zooming to a selected feature or shape) the
|
||
| 768 | * extent that covers that area is the value returned by this method. It is
|
||
| 769 | * not the actual area shown because it doesn't care about the aspect ratio
|
||
| 770 | * of the image size of the view. However, any part of the real world
|
||
| 771 | * contained in this extent is shown in the view.
|
||
| 772 | * </p>
|
||
| 773 | *
|
||
| 774 | * <p>
|
||
| 775 | * If you are looking for the complete extent currently shown, you must use
|
||
| 776 | * the {@linkplain #getAdjustedExtent()} method.
|
||
| 777 | * </p>
|
||
| 778 | *
|
||
| 779 | 21200 | vcaballero | * @return the current extent
|
| 780 | 29519 | jtorres | *
|
| 781 | 21426 | vcaballero | * @see #setEnvelope(Envelope)
|
| 782 | 21200 | vcaballero | * @see #getAdjustedExtent()
|
| 783 | * @see #setPreviousExtent()
|
||
| 784 | * @see #getExtents()
|
||
| 785 | 29503 | jpiera | *
|
| 786 | * @deprecated use {@link ViewPort#getEnvelope()}
|
||
| 787 | 21200 | vcaballero | */
|
| 788 | public Rectangle2D getExtent() { |
||
| 789 | return extent;
|
||
| 790 | } |
||
| 791 | 29519 | jtorres | |
| 792 | 29503 | jpiera | /**
|
| 793 | 29519 | jtorres | * <p>
|
| 794 | * Gets the envelope selected by user using some tool.
|
||
| 795 | * </p>
|
||
| 796 | *
|
||
| 797 | * <p>
|
||
| 798 | * When the zoom changes (for instance using the <i>zoom in</i> or <i>zoom
|
||
| 799 | * out</i> tools, but also zooming to a selected feature or shape) the
|
||
| 800 | * envelope that covers that area is the value returned by this method. It
|
||
| 801 | * is not the actual envelope shown because it doesn't care about the aspect
|
||
| 802 | * ratio of the image size of the view. However, any part of the real world
|
||
| 803 | * contained in this envelope is shown in the view.
|
||
| 804 | * </p>
|
||
| 805 | *
|
||
| 806 | * <p>
|
||
| 807 | * If you are looking for the complete extent currently shown, you must use
|
||
| 808 | * the {@linkplain #getAdjustedEnvelope()} method.
|
||
| 809 | * </p>
|
||
| 810 | *
|
||
| 811 | 29503 | jpiera | * @return the current envelope
|
| 812 | 29519 | jtorres | *
|
| 813 | 29503 | jpiera | * @see #setEnvelope(Envelope)
|
| 814 | * @see #getAdjustedEnvelope()
|
||
| 815 | * @see #setPreviousEnvelope()
|
||
| 816 | * @see #getEnvelopes()
|
||
| 817 | */
|
||
| 818 | 29519 | jtorres | public Envelope getEnvelope() {
|
| 819 | 29503 | jpiera | try {
|
| 820 | 29519 | jtorres | return geomManager.createEnvelope(extent.getMinX(), extent
|
| 821 | .getMinY(), extent.getMaxX(), extent.getMaxY(), |
||
| 822 | 29503 | jpiera | SUBTYPES.GEOM2D); |
| 823 | 29519 | jtorres | // This class has to use Envelope instead of Rectangle2D. This catch
|
| 824 | // will disappear
|
||
| 825 | 29503 | jpiera | } catch (CreateEnvelopeException e) {
|
| 826 | 29519 | jtorres | logger.error("Error creating the envelope");
|
| 827 | 29503 | jpiera | } |
| 828 | return null; |
||
| 829 | } |
||
| 830 | 21200 | vcaballero | |
| 831 | /**
|
||
| 832 | 29519 | jtorres | * <p>
|
| 833 | * Changes the <i>extent</i> and <i>adjusted extent</i> of this view port:<br>
|
||
| 834 | 21200 | vcaballero | * <ul>
|
| 835 | * <li>Stores the previous extent.
|
||
| 836 | * <li>Calculates the new extent using <code>r</code>:
|
||
| 837 | 29519 | jtorres | *
|
| 838 | * <pre>
|
||
| 839 | * extent = new Rectangle2D.Double(r.getMinX() - 0.1, r.getMinY() - 0.1, r
|
||
| 840 | * .getWidth() + 0.2, r.getHeight() + 0.2);
|
||
| 841 | * </pre>
|
||
| 842 | *
|
||
| 843 | * <li>Executes {@linkplain #calculateAffineTransform()}: getting the new
|
||
| 844 | * scale, adjusted extent, affine transformation between map and screen
|
||
| 845 | * coordinates, the real world coordinates equivalent to 1 pixel, and the
|
||
| 846 | * real world coordinates equivalent to 3 pixels.
|
||
| 847 | * <li>Notifies all {@link ViewPortListener ViewPortListener} registered
|
||
| 848 | * that the extent has changed.
|
||
| 849 | 21200 | vcaballero | * </ul>
|
| 850 | * </p>
|
||
| 851 | 29519 | jtorres | *
|
| 852 | * @param r
|
||
| 853 | * the new extent
|
||
| 854 | *
|
||
| 855 | 21200 | vcaballero | * @see #getExtent()
|
| 856 | * @see #getExtents()
|
||
| 857 | * @see #calculateAffineTransform()
|
||
| 858 | * @see #setPreviousExtent()
|
||
| 859 | */
|
||
| 860 | 21426 | vcaballero | public void setEnvelope(Envelope r) { |
| 861 | 29519 | jtorres | Rectangle2D newExtent = null; |
| 862 | // Esto comprueba que el extent no es de anchura o altura = "0"
|
||
| 863 | // y si es as� lo redimensiona.
|
||
| 864 | if (r != null) { |
||
| 865 | 26905 | jmvivo | if ((r.getMaximum(0) - r.getMinimum(0) == 0) |
| 866 | || (r.getMaximum(1) - r.getMinimum(1) == 0)) { |
||
| 867 | 29519 | jtorres | newExtent = new Rectangle2D.Double(r.getMinimum(0) - 0.1, r |
| 868 | .getMinimum(1) - 0.1, r.getMaximum(0) - r.getMinimum(0) |
||
| 869 | + 0.2, r.getMaximum(1) - r.getMinimum(1) + 0.2); |
||
| 870 | 26905 | jmvivo | } else {
|
| 871 | 29519 | jtorres | newExtent = new Rectangle2D.Double(r.getMinimum(0), r |
| 872 | .getMinimum(1), Math.abs(r.getMaximum(0) |
||
| 873 | - r.getMinimum(0)), Math.abs(r.getMaximum(1) |
||
| 874 | - r.getMinimum(1)));
|
||
| 875 | 26905 | jmvivo | } |
| 876 | 21200 | vcaballero | } |
| 877 | |||
| 878 | 29519 | jtorres | if (this.extent != null && this.extent.equals(newExtent)) { |
| 879 | 26225 | jmvivo | return;
|
| 880 | } |
||
| 881 | if (extent != null) { |
||
| 882 | extents.put(extent); |
||
| 883 | } |
||
| 884 | this.updateDrawVersion();
|
||
| 885 | this.extent = newExtent;
|
||
| 886 | 26905 | jmvivo | |
| 887 | 29519 | jtorres | // Calcula la transformaci�n af�n
|
| 888 | 21200 | vcaballero | calculateAffineTransform(); |
| 889 | |||
| 890 | // Lanzamos los eventos de extent cambiado
|
||
| 891 | callExtentChanged(getAdjustedExtent()); |
||
| 892 | } |
||
| 893 | |||
| 894 | /**
|
||
| 895 | 29519 | jtorres | * <p>
|
| 896 | * Changes the <i>extent</i> and <i>adjusted extent</i> of this view port:<br>
|
||
| 897 | 21200 | vcaballero | * <ul>
|
| 898 | 29519 | jtorres | * <li>Executes {@linkplain #calculateAffineTransform()}: getting the new
|
| 899 | * scale, adjusted extent, affine transformation between map and screen
|
||
| 900 | * coordinates, the real world coordinates equivalent to 1 pixel, and the
|
||
| 901 | * real world coordinates equivalent to 3 pixels.
|
||
| 902 | * <li>Notifies to all {@link ViewPortListener ViewPortListener} registered
|
||
| 903 | * that the extent has changed.
|
||
| 904 | 21200 | vcaballero | * </ul>
|
| 905 | * </p>
|
||
| 906 | 29519 | jtorres | *
|
| 907 | 21426 | vcaballero | * @see #setEnvelope(Envelope)
|
| 908 | 21200 | vcaballero | * @see #calculateAffineTransform()
|
| 909 | */
|
||
| 910 | public void refreshExtent() { |
||
| 911 | 29519 | jtorres | // this.scale = scale;
|
| 912 | 21200 | vcaballero | |
| 913 | 29519 | jtorres | // Calcula la transformaci�n af�n
|
| 914 | 21200 | vcaballero | calculateAffineTransform(); |
| 915 | |||
| 916 | // Lanzamos los eventos de extent cambiado
|
||
| 917 | callExtentChanged(getAdjustedExtent()); |
||
| 918 | } |
||
| 919 | |||
| 920 | /**
|
||
| 921 | 29519 | jtorres | * <p>
|
| 922 | * Calculates and returns using the current projection of this view port,
|
||
| 923 | * the scale that is the extent in <i>screen coordinates</i> from the image
|
||
| 924 | * in <i>map coordinates</i>.
|
||
| 925 | * </p>
|
||
| 926 | *
|
||
| 927 | 21200 | vcaballero | * @return the scale <i>extent / image size</i> projected by this view port
|
| 928 | 29519 | jtorres | *
|
| 929 | 21200 | vcaballero | * @deprecated since 07/09/07, use {@linkplain MapContext#getScaleView()}
|
| 930 | */
|
||
| 931 | public double getScale() { |
||
| 932 | return proj.getScale(extent.getMinX(), extent.getMaxX(),
|
||
| 933 | 29519 | jtorres | imageSize.width, dpi); |
| 934 | 21200 | vcaballero | } |
| 935 | |||
| 936 | /**
|
||
| 937 | 29519 | jtorres | * <p>
|
| 938 | * Affine transformation between <i>map 2D coordinates</i> to <i>screen 2D
|
||
| 939 | * coordinates</i> (pixels), preserving the "straightness" and "parallelism"
|
||
| 940 | * of the lines.
|
||
| 941 | * </p>
|
||
| 942 | *
|
||
| 943 | 21200 | vcaballero | * @return the affine transformation
|
| 944 | 29519 | jtorres | *
|
| 945 | 21200 | vcaballero | * @see #setAffineTransform(AffineTransform)
|
| 946 | * @see #calculateAffineTransform()
|
||
| 947 | */
|
||
| 948 | public AffineTransform getAffineTransform() { |
||
| 949 | return trans;
|
||
| 950 | } |
||
| 951 | |||
| 952 | /**
|
||
| 953 | 29519 | jtorres | * <p>
|
| 954 | * Returns the size of the image projected.
|
||
| 955 | * </p>
|
||
| 956 | *
|
||
| 957 | 21200 | vcaballero | * @return the image size
|
| 958 | 29519 | jtorres | *
|
| 959 | 21200 | vcaballero | * @see #setImageSize(Dimension)
|
| 960 | * @see #getImageHeight()
|
||
| 961 | * @see #getImageWidth()
|
||
| 962 | */
|
||
| 963 | public Dimension getImageSize() { |
||
| 964 | return imageSize;
|
||
| 965 | } |
||
| 966 | |||
| 967 | /**
|
||
| 968 | 29519 | jtorres | * <p>
|
| 969 | * Sets the size of the image projected, recalculating the parameters of
|
||
| 970 | * this view port.
|
||
| 971 | * </p>
|
||
| 972 | *
|
||
| 973 | * @param imageSize
|
||
| 974 | * the image size
|
||
| 975 | *
|
||
| 976 | 21200 | vcaballero | * @see #getImageSize()
|
| 977 | * @see #calculateAffineTransform()
|
||
| 978 | */
|
||
| 979 | public void setImageSize(Dimension imageSize) { |
||
| 980 | 26225 | jmvivo | |
| 981 | 29519 | jtorres | if (this.imageSize == null || (!this.imageSize.equals(imageSize))) { |
| 982 | this.updateDrawVersion();
|
||
| 983 | this.imageSize = imageSize;
|
||
| 984 | calculateAffineTransform(); |
||
| 985 | 26225 | jmvivo | } |
| 986 | 21200 | vcaballero | } |
| 987 | |||
| 988 | /**
|
||
| 989 | 29519 | jtorres | * <p>
|
| 990 | * Notifies to all view port listeners registered, that the adjusted extent
|
||
| 991 | * of this view port has changed.
|
||
| 992 | * </p>
|
||
| 993 | *
|
||
| 994 | * @param newRect
|
||
| 995 | * the new adjusted extend
|
||
| 996 | *
|
||
| 997 | 21200 | vcaballero | * @see #refreshExtent()
|
| 998 | 21426 | vcaballero | * @see #setEnvelope(Envelope)
|
| 999 | 21200 | vcaballero | * @see #setPreviousExtent()
|
| 1000 | * @see ExtentEvent
|
||
| 1001 | * @see ViewPortListener
|
||
| 1002 | */
|
||
| 1003 | 21531 | vcaballero | protected void callExtentChanged(Envelope newRect) { |
| 1004 | 21200 | vcaballero | ExtentEvent ev = ExtentEvent.createExtentEvent(newRect); |
| 1005 | |||
| 1006 | for (int i = 0; i < listeners.size(); i++) { |
||
| 1007 | ViewPortListener listener = (ViewPortListener) listeners.get(i); |
||
| 1008 | listener.extentChanged(ev); |
||
| 1009 | } |
||
| 1010 | } |
||
| 1011 | |||
| 1012 | /**
|
||
| 1013 | 29519 | jtorres | * <p>
|
| 1014 | * Notifies to all view port listeners registered, that the background color
|
||
| 1015 | * of this view port has changed.
|
||
| 1016 | * </p>
|
||
| 1017 | *
|
||
| 1018 | * @param c
|
||
| 1019 | * the new background color
|
||
| 1020 | *
|
||
| 1021 | 21200 | vcaballero | * @see #setBackColor(Color)
|
| 1022 | * @see ColorEvent
|
||
| 1023 | * @see ViewPortListener
|
||
| 1024 | */
|
||
| 1025 | private void callColorChanged(Color c) { |
||
| 1026 | ColorEvent ce = ColorEvent.createColorEvent(c); |
||
| 1027 | |||
| 1028 | for (int i = 0; i < listeners.size(); i++) { |
||
| 1029 | ViewPortListener listener = (ViewPortListener) listeners.get(i); |
||
| 1030 | listener.backColorChanged(ce); |
||
| 1031 | } |
||
| 1032 | } |
||
| 1033 | |||
| 1034 | /**
|
||
| 1035 | 29519 | jtorres | * <p>
|
| 1036 | * Notifies to all view port listeners registered, that the projection of
|
||
| 1037 | * this view port has changed.
|
||
| 1038 | * </p>
|
||
| 1039 | *
|
||
| 1040 | * @param projection
|
||
| 1041 | * the new projection
|
||
| 1042 | *
|
||
| 1043 | 21200 | vcaballero | * @see #setProjection(IProjection)
|
| 1044 | * @see ProjectionEvent
|
||
| 1045 | * @see ViewPortListener
|
||
| 1046 | */
|
||
| 1047 | private void callProjectionChanged(IProjection projection) { |
||
| 1048 | ProjectionEvent ev = ProjectionEvent.createProjectionEvent(projection); |
||
| 1049 | |||
| 1050 | for (int i = 0; i < listeners.size(); i++) { |
||
| 1051 | ViewPortListener listener = (ViewPortListener) listeners.get(i); |
||
| 1052 | listener.projectionChanged(ev); |
||
| 1053 | } |
||
| 1054 | } |
||
| 1055 | |||
| 1056 | /**
|
||
| 1057 | 29519 | jtorres | * <p>
|
| 1058 | * Calculates the affine transformation between the {@link #extent extent}
|
||
| 1059 | * in <i>map 2D coordinates</i> to the image area in the screen, in
|
||
| 1060 | * <i>screen 2D coordinates</i> (pixels).
|
||
| 1061 | * </p>
|
||
| 1062 | *
|
||
| 1063 | * <p>
|
||
| 1064 | * This process recalculates some parameters of this view port:<br>
|
||
| 1065 | *
|
||
| 1066 | 21200 | vcaballero | * <ul>
|
| 1067 | * <li>The new {@link #scale scale} .
|
||
| 1068 | * <li>The new {@link #adjustedExtent adjustedExtent} .
|
||
| 1069 | * <li>The new {@link #trans trans} .
|
||
| 1070 | 29519 | jtorres | * <li>The new real world coordinates equivalent to 1 pixel (
|
| 1071 | * {@link #dist1pixel dist1pixel}) .
|
||
| 1072 | * <li>The new real world coordinates equivalent to 3 pixels (
|
||
| 1073 | * {@link #dist3pixel dist3pixel}) .
|
||
| 1074 | 21200 | vcaballero | * </ul>
|
| 1075 | * </p>
|
||
| 1076 | 29519 | jtorres | *
|
| 1077 | 21200 | vcaballero | * @see #getAffineTransform()
|
| 1078 | * @see #setAffineTransform(AffineTransform)
|
||
| 1079 | * @see #refreshExtent()
|
||
| 1080 | 21426 | vcaballero | * @see #setEnvelope(Envelope)
|
| 1081 | 21200 | vcaballero | * @see #setImageSize(Dimension)
|
| 1082 | * @see #setPreviousExtent()
|
||
| 1083 | * @see #createFromXML(XMLEntity)
|
||
| 1084 | * @see AffineTransform
|
||
| 1085 | */
|
||
| 1086 | private void calculateAffineTransform() { |
||
| 1087 | 29519 | jtorres | if ((imageSize == null) || (extent == null) || (imageSize.width <= 0) |
| 1088 | || (imageSize.height <= 0)) {
|
||
| 1089 | 21200 | vcaballero | return;
|
| 1090 | } |
||
| 1091 | |||
| 1092 | AffineTransform escalado = new AffineTransform(); |
||
| 1093 | AffineTransform translacion = new AffineTransform(); |
||
| 1094 | |||
| 1095 | double escalaX;
|
||
| 1096 | double escalaY;
|
||
| 1097 | |||
| 1098 | 29279 | jldominguez | escalaX = imageSize.width / extent.getWidth(); |
| 1099 | escalaY = imageSize.height / extent.getHeight(); |
||
| 1100 | 21200 | vcaballero | |
| 1101 | double xCenter = extent.getCenterX();
|
||
| 1102 | double yCenter = extent.getCenterY();
|
||
| 1103 | double newHeight;
|
||
| 1104 | double newWidth;
|
||
| 1105 | |||
| 1106 | adjustedExtent = new Rectangle2D.Double(); |
||
| 1107 | |||
| 1108 | if (adjustableExtent) {
|
||
| 1109 | if (escalaX < escalaY) {
|
||
| 1110 | scale = escalaX; |
||
| 1111 | 29279 | jldominguez | newHeight = imageSize.height / scale; |
| 1112 | 21200 | vcaballero | adjustedExtent.setRect(xCenter - (extent.getWidth() / 2.0),
|
| 1113 | 29519 | jtorres | yCenter - (newHeight / 2.0), extent.getWidth(),
|
| 1114 | newHeight); |
||
| 1115 | 21200 | vcaballero | } else {
|
| 1116 | scale = escalaY; |
||
| 1117 | 29279 | jldominguez | newWidth = imageSize.width / scale; |
| 1118 | 29519 | jtorres | adjustedExtent.setRect(xCenter - (newWidth / 2.0), yCenter
|
| 1119 | - (extent.getHeight() / 2.0), newWidth, extent
|
||
| 1120 | .getHeight()); |
||
| 1121 | 21200 | vcaballero | } |
| 1122 | escalado.setToScale(scale, -scale); |
||
| 1123 | 29519 | jtorres | } else { // adjusted is same as extent |
| 1124 | 21200 | vcaballero | scale = escalaX; |
| 1125 | adjustedExtent.setFrame(extent); |
||
| 1126 | escalado.setToScale(escalaX, -escalaY); |
||
| 1127 | } |
||
| 1128 | 29519 | jtorres | Envelope env = getAdjustedExtent(); |
| 1129 | 26905 | jmvivo | if (env == null) { |
| 1130 | 21886 | vcaballero | return;
|
| 1131 | 26905 | jmvivo | } |
| 1132 | 29519 | jtorres | translacion.setToTranslation(-env.getMinimum(0), -env.getMinimum(1) |
| 1133 | - getAdjustedExtent().getLength(1));
|
||
| 1134 | 21200 | vcaballero | |
| 1135 | AffineTransform offsetTrans = new AffineTransform(); |
||
| 1136 | offsetTrans.setToTranslation(offset.getX(), offset.getY()); |
||
| 1137 | |||
| 1138 | trans.setToIdentity(); |
||
| 1139 | trans.concatenate(offsetTrans); |
||
| 1140 | trans.concatenate(escalado); |
||
| 1141 | |||
| 1142 | trans.concatenate(translacion); |
||
| 1143 | |||
| 1144 | 29519 | jtorres | // Calculamos las distancias de 1 pixel y 3 pixel con esa
|
| 1145 | // transformaci�n
|
||
| 1146 | // de coordenadas, de forma que est�n precalculadas para cuando las
|
||
| 1147 | // necesitemos
|
||
| 1148 | 21200 | vcaballero | AffineTransform at;
|
| 1149 | |||
| 1150 | try {
|
||
| 1151 | at = trans.createInverse(); |
||
| 1152 | |||
| 1153 | java.awt.Point pPixel = new java.awt.Point(1, 1); |
||
| 1154 | Point2D.Float pProv = new Point2D.Float(); |
||
| 1155 | at.deltaTransform(pPixel, pProv); |
||
| 1156 | |||
| 1157 | dist1pixel = pProv.x; |
||
| 1158 | dist3pixel = 3 * pProv.x;
|
||
| 1159 | } catch (NoninvertibleTransformException e) { |
||
| 1160 | System.err.println("transformada afin = " + trans.toString()); |
||
| 1161 | 29519 | jtorres | System.err.println("extent = " + extent.toString() + " imageSize= " |
| 1162 | + imageSize.toString()); |
||
| 1163 | throw new RuntimeException("Non invertible transform Exception", e); |
||
| 1164 | 21200 | vcaballero | } |
| 1165 | } |
||
| 1166 | |||
| 1167 | /**
|
||
| 1168 | 29519 | jtorres | * <p>
|
| 1169 | * Sets the offset.
|
||
| 1170 | * </p>
|
||
| 1171 | * <p>
|
||
| 1172 | * The offset is the position where start drawing the map.
|
||
| 1173 | * </p>
|
||
| 1174 | *
|
||
| 1175 | * @param p
|
||
| 1176 | * 2D point that represents the offset in pixels
|
||
| 1177 | *
|
||
| 1178 | 21200 | vcaballero | * @see #getOffset()
|
| 1179 | */
|
||
| 1180 | public void setOffset(Point2D p) { |
||
| 1181 | 29519 | jtorres | if (!offset.equals(p)) {
|
| 1182 | 26225 | jmvivo | this.updateDrawVersion();
|
| 1183 | 26905 | jmvivo | offset = p; |
| 1184 | 26225 | jmvivo | } |
| 1185 | 21200 | vcaballero | } |
| 1186 | |||
| 1187 | /**
|
||
| 1188 | 29519 | jtorres | * <p>
|
| 1189 | * Gets the offset.
|
||
| 1190 | * </p>
|
||
| 1191 | * <p>
|
||
| 1192 | * The offset is the position where start drawing the map.
|
||
| 1193 | * </p>
|
||
| 1194 | *
|
||
| 1195 | 21200 | vcaballero | * @return 2D point that represents the offset in pixels
|
| 1196 | 29519 | jtorres | *
|
| 1197 | 21200 | vcaballero | * @see #setOffset(Point2D)
|
| 1198 | */
|
||
| 1199 | public Point2D getOffset() { |
||
| 1200 | return offset;
|
||
| 1201 | } |
||
| 1202 | |||
| 1203 | /**
|
||
| 1204 | 29519 | jtorres | * <p>
|
| 1205 | * Sets the background color.
|
||
| 1206 | * </p>
|
||
| 1207 | *
|
||
| 1208 | * @param c
|
||
| 1209 | * the new background color
|
||
| 1210 | *
|
||
| 1211 | 21200 | vcaballero | * @see #getBackColor()
|
| 1212 | */
|
||
| 1213 | public void setBackColor(Color c) { |
||
| 1214 | 29519 | jtorres | if (!c.equals(this.backColor)) { |
| 1215 | 26225 | jmvivo | this.updateDrawVersion();
|
| 1216 | backColor = c; |
||
| 1217 | callColorChanged(backColor); |
||
| 1218 | } |
||
| 1219 | 21200 | vcaballero | } |
| 1220 | |||
| 1221 | /**
|
||
| 1222 | 29519 | jtorres | * <p>
|
| 1223 | * Gets the background color.
|
||
| 1224 | * </p>
|
||
| 1225 | *
|
||
| 1226 | 21200 | vcaballero | * @return the background color of the view
|
| 1227 | 29519 | jtorres | *
|
| 1228 | 21200 | vcaballero | * @see #setBackColor(Color)
|
| 1229 | */
|
||
| 1230 | public Color getBackColor() { |
||
| 1231 | return backColor;
|
||
| 1232 | } |
||
| 1233 | |||
| 1234 | /**
|
||
| 1235 | 29519 | jtorres | * <p>
|
| 1236 | * Returns the extent currently covered by the view adjusted (scaled) to the
|
||
| 1237 | * image size aspect.
|
||
| 1238 | * </p>
|
||
| 1239 | *
|
||
| 1240 | 21200 | vcaballero | * @return extent of the view adjusted to the image size aspect
|
| 1241 | 29519 | jtorres | *
|
| 1242 | 21200 | vcaballero | * @see #setAdjustable(boolean)
|
| 1243 | 29503 | jpiera | * @deprecated use {@link ViewPort#getAdjustedEnvelope()} instead
|
| 1244 | 21200 | vcaballero | */
|
| 1245 | 21531 | vcaballero | public Envelope getAdjustedExtent() {
|
| 1246 | 29503 | jpiera | return getAdjustedEnvelope();
|
| 1247 | } |
||
| 1248 | 29519 | jtorres | |
| 1249 | 29503 | jpiera | /**
|
| 1250 | 29519 | jtorres | * <p>
|
| 1251 | * Returns the envelope currently covered by the view adjusted (scaled) to
|
||
| 1252 | * the image size aspect.
|
||
| 1253 | * </p>
|
||
| 1254 | *
|
||
| 1255 | 29503 | jpiera | * @return envelope of the view adjusted to the image size aspect
|
| 1256 | 29519 | jtorres | *
|
| 1257 | 29503 | jpiera | * @see #setAdjustable(boolean)
|
| 1258 | */
|
||
| 1259 | public Envelope getAdjustedEnvelope() {
|
||
| 1260 | 29519 | jtorres | if (cliprect != null) { |
| 1261 | Rectangle2D r = adjustedExtent.createIntersection(cliprect);
|
||
| 1262 | 27414 | jpiera | try {
|
| 1263 | 29519 | jtorres | return geomManager.createEnvelope(r.getX(), r.getY(), r
|
| 1264 | .getMaxX(), r.getMaxY(), SUBTYPES.GEOM2D); |
||
| 1265 | 27414 | jpiera | } catch (CreateEnvelopeException e) {
|
| 1266 | e.printStackTrace(); |
||
| 1267 | logger.error("Error adjusting the extent", e);
|
||
| 1268 | } |
||
| 1269 | 21200 | vcaballero | } |
| 1270 | 29519 | jtorres | if (adjustedExtent != null) { |
| 1271 | 27414 | jpiera | try {
|
| 1272 | 29519 | jtorres | return geomManager.createEnvelope(adjustedExtent.getX(),
|
| 1273 | adjustedExtent.getY(), adjustedExtent.getMaxX(), |
||
| 1274 | adjustedExtent.getMaxY(), SUBTYPES.GEOM2D); |
||
| 1275 | 27414 | jpiera | } catch (CreateEnvelopeException e) {
|
| 1276 | e.printStackTrace(); |
||
| 1277 | logger.error("Error adjusting the extent", e);
|
||
| 1278 | } |
||
| 1279 | 26905 | jmvivo | } |
| 1280 | 21742 | vcaballero | return null; |
| 1281 | 21200 | vcaballero | } |
| 1282 | |||
| 1283 | /**
|
||
| 1284 | 29519 | jtorres | * <p>
|
| 1285 | * Returns the measurement unit of this view port used for measuring
|
||
| 1286 | * distances and displaying information.
|
||
| 1287 | * </p>
|
||
| 1288 | *
|
||
| 1289 | * @return the measurement unit of this view used for measuring distances
|
||
| 1290 | * and displaying information
|
||
| 1291 | *
|
||
| 1292 | 21200 | vcaballero | * @see #setDistanceUnits(int)
|
| 1293 | */
|
||
| 1294 | public int getDistanceUnits() { |
||
| 1295 | return distanceUnits;
|
||
| 1296 | } |
||
| 1297 | 29519 | jtorres | |
| 1298 | 21200 | vcaballero | /**
|
| 1299 | 29519 | jtorres | * <p>
|
| 1300 | * Returns the measurement unit of this view port used for measuring areas
|
||
| 1301 | * and displaying information.
|
||
| 1302 | * </p>
|
||
| 1303 | *
|
||
| 1304 | * @return the measurement unit of this view used for measuring areas and
|
||
| 1305 | * displaying information
|
||
| 1306 | *
|
||
| 1307 | 21200 | vcaballero | * @see #setDistanceUnits(int)
|
| 1308 | */
|
||
| 1309 | public int getDistanceArea() { |
||
| 1310 | return distanceArea;
|
||
| 1311 | } |
||
| 1312 | 29519 | jtorres | |
| 1313 | 21200 | vcaballero | /**
|
| 1314 | 29519 | jtorres | * <p>
|
| 1315 | * Sets the measurement unit of this view port used for measuring distances
|
||
| 1316 | * and displaying information.
|
||
| 1317 | * </p>
|
||
| 1318 | *
|
||
| 1319 | * @param distanceUnits
|
||
| 1320 | * the measurement unit of this view used for measuring distances
|
||
| 1321 | * and displaying information
|
||
| 1322 | *
|
||
| 1323 | 21200 | vcaballero | * @see #getDistanceUnits()
|
| 1324 | */
|
||
| 1325 | public void setDistanceUnits(int distanceUnits) { |
||
| 1326 | this.distanceUnits = distanceUnits;
|
||
| 1327 | } |
||
| 1328 | 29519 | jtorres | |
| 1329 | 21200 | vcaballero | /**
|
| 1330 | 29519 | jtorres | * <p>
|
| 1331 | * Sets the measurement unit of this view port used for measuring areas and
|
||
| 1332 | * displaying information.
|
||
| 1333 | * </p>
|
||
| 1334 | *
|
||
| 1335 | * @param distanceUnits
|
||
| 1336 | * the measurement unit of this view used for measuring areas and
|
||
| 1337 | * displaying information
|
||
| 1338 | *
|
||
| 1339 | 21200 | vcaballero | * @see #getDistanceUnits()
|
| 1340 | */
|
||
| 1341 | public void setDistanceArea(int distanceArea) { |
||
| 1342 | this.distanceArea = distanceArea;
|
||
| 1343 | } |
||
| 1344 | 29519 | jtorres | |
| 1345 | 21200 | vcaballero | /**
|
| 1346 | 29519 | jtorres | * <p>
|
| 1347 | * Gets the measurement unit used by this view port for the map.
|
||
| 1348 | * </p>
|
||
| 1349 | *
|
||
| 1350 | 21200 | vcaballero | * @return Returns the current map measure unit
|
| 1351 | 29519 | jtorres | *
|
| 1352 | 21200 | vcaballero | * @see #setMapUnits(int)
|
| 1353 | */
|
||
| 1354 | public int getMapUnits() { |
||
| 1355 | return mapUnits;
|
||
| 1356 | } |
||
| 1357 | |||
| 1358 | /**
|
||
| 1359 | 29519 | jtorres | * <p>
|
| 1360 | * Sets the measurement unit used by this view port for the map.
|
||
| 1361 | * </p>
|
||
| 1362 | *
|
||
| 1363 | * @param mapUnits
|
||
| 1364 | * the new map measure unit
|
||
| 1365 | *
|
||
| 1366 | 21200 | vcaballero | * @see #getMapUnits()
|
| 1367 | */
|
||
| 1368 | public void setMapUnits(int mapUnits) { |
||
| 1369 | this.mapUnits = mapUnits;
|
||
| 1370 | } |
||
| 1371 | |||
| 1372 | /**
|
||
| 1373 | 29519 | jtorres | * <p>
|
| 1374 | * Gets the width in <i>screen coordinates</i> of the rectangle where the
|
||
| 1375 | * image is displayed.
|
||
| 1376 | * </p>
|
||
| 1377 | * <p>
|
||
| 1378 | * Used by {@linkplain #calculateAffineTransform()} to calculate:<br>
|
||
| 1379 | *
|
||
| 1380 | 21200 | vcaballero | * <ul>
|
| 1381 | * <li>The new {@link #scale scale} .
|
||
| 1382 | * <li>The new {@link #adjustedExtent adjustableExtent} .
|
||
| 1383 | * <li>The new {@link #trans trans} .
|
||
| 1384 | 29519 | jtorres | * <li>The new real world coordinates equivalent to 1 pixel (
|
| 1385 | * {@link #dist1pixel dist1pixel}) .
|
||
| 1386 | * <li>The new real world coordinates equivalent to 3 pixels (
|
||
| 1387 | * {@link #dist3pixel dist3pixel}) .
|
||
| 1388 | 21200 | vcaballero | * </ul>
|
| 1389 | * </p>
|
||
| 1390 | 29519 | jtorres | *
|
| 1391 | 21200 | vcaballero | * @see #getImageHeight()
|
| 1392 | * @see #getImageSize()
|
||
| 1393 | * @see #setImageSize(Dimension)
|
||
| 1394 | */
|
||
| 1395 | public int getImageWidth() { |
||
| 1396 | return imageSize.width;
|
||
| 1397 | } |
||
| 1398 | |||
| 1399 | /**
|
||
| 1400 | 29519 | jtorres | * <p>
|
| 1401 | * Gets the height in <i>screen coordinates</i> of the rectangle where the
|
||
| 1402 | * image is displayed.
|
||
| 1403 | * </p>
|
||
| 1404 | * <p>
|
||
| 1405 | * Used by {@linkplain #calculateAffineTransform()} to calculate:<br>
|
||
| 1406 | *
|
||
| 1407 | 21200 | vcaballero | * <ul>
|
| 1408 | * <li>The new {@link #scale scale} .
|
||
| 1409 | * <li>The new {@link #adjustedExtent adjustableExtent} .
|
||
| 1410 | * <li>The new {@link #trans trans} .
|
||
| 1411 | 29519 | jtorres | * <li>The new real world coordinates equivalent to 1 pixel (
|
| 1412 | * {@link #dist1pixel dist1pixel}) .
|
||
| 1413 | * <li>The new real world coordinates equivalent to 3 pixels (
|
||
| 1414 | * {@link #dist3pixel dist3pixel}) .
|
||
| 1415 | 21200 | vcaballero | * </ul>
|
| 1416 | * </p>
|
||
| 1417 | 29519 | jtorres | *
|
| 1418 | 21200 | vcaballero | * @see #getImageWidth()
|
| 1419 | * @see #getImageSize()
|
||
| 1420 | * @see #setImageSize(Dimension)
|
||
| 1421 | */
|
||
| 1422 | public int getImageHeight() { |
||
| 1423 | return imageSize.height;
|
||
| 1424 | } |
||
| 1425 | |||
| 1426 | /**
|
||
| 1427 | 29519 | jtorres | * <p>
|
| 1428 | * Gets the distance in <i>world coordinates</i> equivalent to 1 pixel in
|
||
| 1429 | * the view with the current extent.
|
||
| 1430 | * </p>
|
||
| 1431 | *
|
||
| 1432 | 21200 | vcaballero | * @return the distance
|
| 1433 | 29519 | jtorres | *
|
| 1434 | 21200 | vcaballero | * @see #setDist1pixel(double)
|
| 1435 | */
|
||
| 1436 | public double getDist1pixel() { |
||
| 1437 | return dist1pixel;
|
||
| 1438 | } |
||
| 1439 | |||
| 1440 | /**
|
||
| 1441 | 29519 | jtorres | * <p>
|
| 1442 | * Sets the distance in <i>world coordinates</i> equivalent to 1 pixel in
|
||
| 1443 | * the view with the current extent.
|
||
| 1444 | * </p>
|
||
| 1445 | *
|
||
| 1446 | * @param dist1pixel
|
||
| 1447 | * the distance
|
||
| 1448 | *
|
||
| 1449 | 21200 | vcaballero | * @see #getDist1pixel()
|
| 1450 | */
|
||
| 1451 | public void setDist1pixel(double dist1pixel) { |
||
| 1452 | 29519 | jtorres | if (dist1pixel == this.dist1pixel) { |
| 1453 | return;
|
||
| 1454 | } |
||
| 1455 | this.updateDrawVersion();
|
||
| 1456 | 21200 | vcaballero | this.dist1pixel = dist1pixel;
|
| 1457 | } |
||
| 1458 | |||
| 1459 | /**
|
||
| 1460 | 29519 | jtorres | * <p>
|
| 1461 | * Gets the distance in <i>world coordinates</i> equivalent to 3 pixels in
|
||
| 1462 | * the view with the current extent.
|
||
| 1463 | * </p>
|
||
| 1464 | *
|
||
| 1465 | 21200 | vcaballero | * @return the distance
|
| 1466 | 29519 | jtorres | *
|
| 1467 | 21200 | vcaballero | * @see #setDist3pixel(double)
|
| 1468 | */
|
||
| 1469 | public double getDist3pixel() { |
||
| 1470 | return dist3pixel;
|
||
| 1471 | } |
||
| 1472 | |||
| 1473 | /**
|
||
| 1474 | 29519 | jtorres | * <p>
|
| 1475 | * Sets the distance in <i>world coordinates</i> equivalent to 3 pixels in
|
||
| 1476 | * the view with the current extent.
|
||
| 1477 | * </p>
|
||
| 1478 | *
|
||
| 1479 | * @param dist3pixel
|
||
| 1480 | * the distance
|
||
| 1481 | *
|
||
| 1482 | 21200 | vcaballero | * @see #getDist3pixel()
|
| 1483 | */
|
||
| 1484 | public void setDist3pixel(double dist3pixel) { |
||
| 1485 | 29519 | jtorres | if (this.dist3pixel == dist3pixel) { |
| 1486 | return;
|
||
| 1487 | } |
||
| 1488 | this.updateDrawVersion();
|
||
| 1489 | 21200 | vcaballero | this.dist3pixel = dist3pixel;
|
| 1490 | } |
||
| 1491 | |||
| 1492 | /**
|
||
| 1493 | 29519 | jtorres | * <p>
|
| 1494 | * Returns the last previous extents of this view port.
|
||
| 1495 | * </p>
|
||
| 1496 | *
|
||
| 1497 | 21200 | vcaballero | * @return the last previous extents of this view port
|
| 1498 | 29519 | jtorres | *
|
| 1499 | 21200 | vcaballero | * @see #setPreviousExtent()
|
| 1500 | 29503 | jpiera | * @deprecated use {@link ViewPort#getEnvelopes()}
|
| 1501 | 21200 | vcaballero | */
|
| 1502 | public ExtentHistory getExtents() {
|
||
| 1503 | 29503 | jpiera | return getEnvelopes();
|
| 1504 | } |
||
| 1505 | 29519 | jtorres | |
| 1506 | 29503 | jpiera | /**
|
| 1507 | 29519 | jtorres | * <p>
|
| 1508 | * Returns the last previous extents of this view port.
|
||
| 1509 | * </p>
|
||
| 1510 | *
|
||
| 1511 | 29503 | jpiera | * @return the last previous extents of this view port
|
| 1512 | 29519 | jtorres | *
|
| 1513 | 29503 | jpiera | * @see #setPreviousExtent()
|
| 1514 | */
|
||
| 1515 | public ExtentHistory getEnvelopes() {
|
||
| 1516 | 21200 | vcaballero | return extents;
|
| 1517 | } |
||
| 1518 | |||
| 1519 | /**
|
||
| 1520 | 29519 | jtorres | * <p>
|
| 1521 | * Gets the projection used in this view port.
|
||
| 1522 | * </p>
|
||
| 1523 | *
|
||
| 1524 | 21200 | vcaballero | * @return projection used in this view port
|
| 1525 | 29519 | jtorres | *
|
| 1526 | 21200 | vcaballero | * @see #setProjection(IProjection)
|
| 1527 | */
|
||
| 1528 | public IProjection getProjection() {
|
||
| 1529 | return proj;
|
||
| 1530 | } |
||
| 1531 | |||
| 1532 | /**
|
||
| 1533 | 29519 | jtorres | * <p>
|
| 1534 | * Sets the projection to this view port.
|
||
| 1535 | * </p>
|
||
| 1536 | *
|
||
| 1537 | * @param proj
|
||
| 1538 | * the new projection
|
||
| 1539 | *
|
||
| 1540 | 21200 | vcaballero | * @see #getProjection()
|
| 1541 | */
|
||
| 1542 | public void setProjection(IProjection proj) { |
||
| 1543 | 29519 | jtorres | if (this.proj == null || !this.proj.getAbrev().equals(proj.getAbrev())) { |
| 1544 | this.updateDrawVersion();
|
||
| 1545 | 21200 | vcaballero | this.proj = proj;
|
| 1546 | callProjectionChanged(proj); |
||
| 1547 | } |
||
| 1548 | } |
||
| 1549 | |||
| 1550 | 29519 | jtorres | // -----------------------------------------------------------------------------------------------------------
|
| 1551 | // NOTA PARA DESARROLLADORES SOBRE EL M�TODO
|
||
| 1552 | // "public void setAffineTransform(AffineTransform at)"
|
||
| 1553 | // ==============================================================================================
|
||
| 1554 | // Only used for print, should be removed, redefining the {@link
|
||
| 1555 | // RasterAdapter RasterAdapter} interface,
|
||
| 1556 | // allowing it to receive a {@link ViewPortData ViewPortData} .
|
||
| 1557 | // -----------------------------------------------------------------------------------------------------------
|
||
| 1558 | 21200 | vcaballero | |
| 1559 | /**
|
||
| 1560 | 29519 | jtorres | * <p>
|
| 1561 | * Sets only the affine transform to this view port, without updating
|
||
| 1562 | * dependent attributes.
|
||
| 1563 | * </p>
|
||
| 1564 | * <p>
|
||
| 1565 | * <b><i>This method could be problematic!</i></b>
|
||
| 1566 | * </p>
|
||
| 1567 | *
|
||
| 1568 | * @param at
|
||
| 1569 | * the affine transform to set
|
||
| 1570 | *
|
||
| 1571 | 21200 | vcaballero | * @see #getAffineTransform()
|
| 1572 | * @see #calculateAffineTransform()
|
||
| 1573 | */
|
||
| 1574 | 29519 | jtorres | public void setAffineTransform(AffineTransform at) { |
| 1575 | this.trans = at;
|
||
| 1576 | 21200 | vcaballero | } |
| 1577 | |||
| 1578 | /**
|
||
| 1579 | 29519 | jtorres | * <p>
|
| 1580 | * Returns an XML entity that represents this view port instance:<br>
|
||
| 1581 | 21200 | vcaballero | * <ul>
|
| 1582 | * <li>Properties:
|
||
| 1583 | 29519 | jtorres | * <ul>
|
| 1584 | * <li><i>className</i>: name of this class.
|
||
| 1585 | * <li>If defined, the adjusted extent:
|
||
| 1586 | * <ul>
|
||
| 1587 | * <li><i>adjustedExtentX</i>: X coordinate of the adjusted extent.
|
||
| 1588 | * <li><i>adjustedExtentY</i>: Y coordinate of the adjusted extent.
|
||
| 1589 | * <li><i>adjustedExtentW</i>: width of the adjusted extent.
|
||
| 1590 | * <li><i>adjustedExtentH</i>: height of the adjusted extent.
|
||
| 1591 | * </ul>
|
||
| 1592 | * <li>If defined, the background color:
|
||
| 1593 | * <ul>
|
||
| 1594 | * <li><i>backColor</i>: background color.
|
||
| 1595 | * </ul>
|
||
| 1596 | * <li>If defined, the clip:
|
||
| 1597 | * <ul>
|
||
| 1598 | * <li><i>clipX</i>: X coordinate of the clip.
|
||
| 1599 | * <li><i>clipY</i>: Y coordinate of clip.
|
||
| 1600 | * <li><i>clipW</i>: width of the clip.
|
||
| 1601 | * <li><i>clipH</i>: height of the clip.
|
||
| 1602 | * </ul>
|
||
| 1603 | * <li><i>dist1pixel</i>: the distance in world coordinates equivalent to 1
|
||
| 1604 | * pixel in the view.
|
||
| 1605 | * <li><i>dist3pixel</i>: the distance in world coordinates equivalent to 3
|
||
| 1606 | * pixels in the view.
|
||
| 1607 | * <li><i>distanceUnits</i>: the distance measurement unit.
|
||
| 1608 | * <li>If defined, the extent:
|
||
| 1609 | * <ul>
|
||
| 1610 | * <li><i>extentX</i>: X coordinate of the extent.
|
||
| 1611 | * <li><i>extentY</i>: Y coordinate of the extent.
|
||
| 1612 | * <li><i>extentW</i>: width of the extent.
|
||
| 1613 | * <li><i>extentH</i>: height of the extent.
|
||
| 1614 | * </ul>
|
||
| 1615 | * <li><i>mapUnits</i>: the map measurement unit.
|
||
| 1616 | * <li><i>offsetX</i>: X coordinate of the offset.
|
||
| 1617 | * <li><i>offsetY</i>: Y coordinate of the offset.
|
||
| 1618 | * <li>If defined, the projection:
|
||
| 1619 | * <ul>
|
||
| 1620 | * <li>If its defined, the projection:
|
||
| 1621 | * <ul>
|
||
| 1622 | * <li><i>proj</i>: the projection.</li>
|
||
| 1623 | * </ul>
|
||
| 1624 | * </ul>
|
||
| 1625 | * <li><i>scale</i>: ratio between the size of <code>imageSize</code> and
|
||
| 1626 | * <code>extent</code>.
|
||
| 1627 | * </ul>
|
||
| 1628 | 21200 | vcaballero | * <li>Child branches:
|
| 1629 | 29519 | jtorres | * <ul>
|
| 1630 | * <li>XML entity of the internal {@link ExtentHistory ExtentHistory} .
|
||
| 1631 | 21200 | vcaballero | * </ul>
|
| 1632 | 29519 | jtorres | * </ul>
|
| 1633 | *
|
||
| 1634 | 21200 | vcaballero | * @return the XML entity
|
| 1635 | 29519 | jtorres | *
|
| 1636 | 21200 | vcaballero | * @see #createFromXML(XMLEntity)
|
| 1637 | */
|
||
| 1638 | public XMLEntity getXMLEntity() {
|
||
| 1639 | XMLEntity xml = new XMLEntity();
|
||
| 1640 | 29519 | jtorres | xml.putProperty("className", this.getClass().getName()); |
| 1641 | 21200 | vcaballero | |
| 1642 | if (adjustedExtent != null) { |
||
| 1643 | xml.putProperty("adjustedExtentX", adjustedExtent.getX());
|
||
| 1644 | xml.putProperty("adjustedExtentY", adjustedExtent.getY());
|
||
| 1645 | xml.putProperty("adjustedExtentW", adjustedExtent.getWidth());
|
||
| 1646 | xml.putProperty("adjustedExtentH", adjustedExtent.getHeight());
|
||
| 1647 | } |
||
| 1648 | |||
| 1649 | 26905 | jmvivo | if (backColor != null) { |
| 1650 | 29519 | jtorres | xml.putProperty("backColor", StringUtilities
|
| 1651 | .color2String(backColor)); |
||
| 1652 | 26905 | jmvivo | } |
| 1653 | 21200 | vcaballero | |
| 1654 | if (clip != null) { |
||
| 1655 | xml.putProperty("clipX", clip.getX());
|
||
| 1656 | xml.putProperty("clipY", clip.getY());
|
||
| 1657 | xml.putProperty("clipW", clip.getWidth());
|
||
| 1658 | xml.putProperty("clipH", clip.getHeight());
|
||
| 1659 | } |
||
| 1660 | |||
| 1661 | xml.putProperty("dist1pixel", dist1pixel);
|
||
| 1662 | xml.putProperty("dist3pixel", dist3pixel);
|
||
| 1663 | xml.putProperty("distanceUnits", distanceUnits);
|
||
| 1664 | |||
| 1665 | if (extent != null) { |
||
| 1666 | xml.putProperty("extentX", extent.getX());
|
||
| 1667 | xml.putProperty("extentY", extent.getY());
|
||
| 1668 | xml.putProperty("extentW", extent.getWidth());
|
||
| 1669 | xml.putProperty("extentH", extent.getHeight());
|
||
| 1670 | } |
||
| 1671 | |||
| 1672 | xml.addChild(extents.getXMLEntity()); |
||
| 1673 | xml.putProperty("mapUnits", mapUnits);
|
||
| 1674 | xml.putProperty("offsetX", offset.getX());
|
||
| 1675 | xml.putProperty("offsetY", offset.getY());
|
||
| 1676 | |||
| 1677 | if (proj != null) { |
||
| 1678 | xml.putProperty("proj", proj.getAbrev());
|
||
| 1679 | } |
||
| 1680 | |||
| 1681 | xml.putProperty("scale", scale);
|
||
| 1682 | |||
| 1683 | return xml;
|
||
| 1684 | } |
||
| 1685 | |||
| 1686 | /**
|
||
| 1687 | 29519 | jtorres | * <p>
|
| 1688 | * Creates a new <code>ViewPort</code> from an XML entity.
|
||
| 1689 | * </p>
|
||
| 1690 | *
|
||
| 1691 | * @param xml
|
||
| 1692 | * an XML entity
|
||
| 1693 | *
|
||
| 1694 | 21200 | vcaballero | * @return the new <code>ViewPort</code>
|
| 1695 | 29519 | jtorres | *
|
| 1696 | 21200 | vcaballero | * @see #getXMLEntity()
|
| 1697 | */
|
||
| 1698 | public static ViewPort createFromXML(XMLEntity xml) { |
||
| 1699 | ViewPort vp = new ViewPort(null); |
||
| 1700 | |||
| 1701 | if (xml.contains("adjustedExtentX")) { |
||
| 1702 | 29519 | jtorres | vp.adjustedExtent = new Rectangle2D.Double(xml |
| 1703 | .getDoubleProperty("adjustedExtentX"), xml
|
||
| 1704 | .getDoubleProperty("adjustedExtentY"), xml
|
||
| 1705 | .getDoubleProperty("adjustedExtentW"), xml
|
||
| 1706 | .getDoubleProperty("adjustedExtentH"));
|
||
| 1707 | 21200 | vcaballero | } |
| 1708 | |||
| 1709 | if (xml.contains("backColor")) { |
||
| 1710 | 29519 | jtorres | vp.setBackColor(StringUtilities.string2Color(xml |
| 1711 | .getStringProperty("backColor")));
|
||
| 1712 | } else {
|
||
| 1713 | 21200 | vcaballero | vp.setBackColor(Color.white);
|
| 1714 | } |
||
| 1715 | |||
| 1716 | if (xml.contains("clipX")) { |
||
| 1717 | vp.clip = new Rectangle2D.Double(xml.getDoubleProperty("clipX"), |
||
| 1718 | 29519 | jtorres | xml.getDoubleProperty("clipY"), xml
|
| 1719 | .getDoubleProperty("clipW"), xml
|
||
| 1720 | .getDoubleProperty("clipH"));
|
||
| 1721 | 21200 | vcaballero | } |
| 1722 | |||
| 1723 | vp.setDist1pixel(xml.getDoubleProperty("dist1pixel"));
|
||
| 1724 | vp.setDist3pixel(xml.getDoubleProperty("dist3pixel"));
|
||
| 1725 | vp.setDistanceUnits(xml.getIntProperty("distanceUnits"));
|
||
| 1726 | 29519 | jtorres | if (xml.contains("distanceArea")) { |
| 1727 | 21200 | vcaballero | vp.setDistanceArea(xml.getIntProperty("distanceArea"));
|
| 1728 | 29519 | jtorres | } else {
|
| 1729 | 21200 | vcaballero | vp.setDistanceArea(xml.getIntProperty("distanceUnits"));
|
| 1730 | } |
||
| 1731 | vp.extents = ExtentHistory.createFromXML(xml.getChild(0));
|
||
| 1732 | |||
| 1733 | if (xml.contains("extentX")) { |
||
| 1734 | 29519 | jtorres | double x = xml.getDoubleProperty("extentX"); |
| 1735 | double y = xml.getDoubleProperty("extentY"); |
||
| 1736 | 27414 | jpiera | try {
|
| 1737 | 29519 | jtorres | vp.setEnvelope(geomManager.createEnvelope(x, y, x |
| 1738 | + xml.getDoubleProperty("extentW"), y
|
||
| 1739 | + xml.getDoubleProperty("extentH"), SUBTYPES.GEOM2D));
|
||
| 1740 | 27414 | jpiera | } catch (CreateEnvelopeException e) {
|
| 1741 | e.printStackTrace(); |
||
| 1742 | logger.error("Error setting the extent", e);
|
||
| 1743 | } |
||
| 1744 | 21200 | vcaballero | |
| 1745 | 29519 | jtorres | // Calcula la transformaci�n af�n
|
| 1746 | 21200 | vcaballero | vp.calculateAffineTransform(); |
| 1747 | |||
| 1748 | // Lanzamos los eventos de extent cambiado
|
||
| 1749 | // vp.callExtentListeners(vp.adjustedExtent);
|
||
| 1750 | } |
||
| 1751 | |||
| 1752 | vp.setMapUnits(xml.getIntProperty("mapUnits"));
|
||
| 1753 | 29519 | jtorres | vp.setOffset(new Point2D.Double(xml.getDoubleProperty("offsetX"), xml |
| 1754 | .getDoubleProperty("offsetY")));
|
||
| 1755 | 21200 | vcaballero | |
| 1756 | if (xml.contains("proj")) { |
||
| 1757 | vp.proj = CRSFactory.getCRS(xml.getStringProperty("proj"));
|
||
| 1758 | } |
||
| 1759 | |||
| 1760 | 29519 | jtorres | // vp.setScale(xml.getDoubleProperty("scale"));
|
| 1761 | 21200 | vcaballero | vp.refreshExtent(); |
| 1762 | return vp;
|
||
| 1763 | } |
||
| 1764 | |||
| 1765 | /**
|
||
| 1766 | 29519 | jtorres | * <p>
|
| 1767 | * Fast clone implementation: creates and returns a clone of this view port
|
||
| 1768 | * using XML entities.
|
||
| 1769 | * </p>
|
||
| 1770 | * <p>
|
||
| 1771 | * Isn't a <i>deepclone</i> to avoid unnecessary memory consumption.
|
||
| 1772 | * </p>
|
||
| 1773 | *
|
||
| 1774 | 21200 | vcaballero | * @return the new view port
|
| 1775 | 29519 | jtorres | *
|
| 1776 | 21200 | vcaballero | * @see #createFromXML(XMLEntity)
|
| 1777 | */
|
||
| 1778 | public ViewPort cloneViewPort() {
|
||
| 1779 | return createFromXML(getXMLEntity());
|
||
| 1780 | } |
||
| 1781 | |||
| 1782 | /**
|
||
| 1783 | 29519 | jtorres | * <p>
|
| 1784 | * Returns a <code>String</code> representation of the main values of this
|
||
| 1785 | * view port: <code>{@linkplain #extent}</code>,
|
||
| 1786 | * <code>{@linkplain #adjustedExtent}</code>,
|
||
| 1787 | * <code>{@linkplain #imageSize}</code>, <code>{@linkplain #scale}</code>,
|
||
| 1788 | * and <code>{@linkplain #trans}</code>.
|
||
| 1789 | * </p>
|
||
| 1790 | *
|
||
| 1791 | * @return a <code>string</code> representation of the main values of this
|
||
| 1792 | * view port
|
||
| 1793 | 21200 | vcaballero | */
|
| 1794 | public String toString() { |
||
| 1795 | |||
| 1796 | String str;
|
||
| 1797 | 29519 | jtorres | str = "Datos del viewPort:\nExtent=" + extent + "\nadjustedExtent=" |
| 1798 | + adjustedExtent + "\nimageSize=" + imageSize + "\nescale=" |
||
| 1799 | + scale + "\ntrans=" + trans;
|
||
| 1800 | 21200 | vcaballero | |
| 1801 | return str;
|
||
| 1802 | } |
||
| 1803 | |||
| 1804 | /**
|
||
| 1805 | 29519 | jtorres | * <p>
|
| 1806 | * Sets the position and size of the clipping rectangle.
|
||
| 1807 | * </p>
|
||
| 1808 | *
|
||
| 1809 | * @param rectView
|
||
| 1810 | * the clipping rectangle to set
|
||
| 1811 | 21200 | vcaballero | */
|
| 1812 | public void setClipRect(Rectangle2D rectView) { |
||
| 1813 | 26225 | jmvivo | this.updateDrawVersion();
|
| 1814 | 29519 | jtorres | cliprect = rectView; |
| 1815 | 21200 | vcaballero | } |
| 1816 | 26905 | jmvivo | |
| 1817 | 21200 | vcaballero | /**
|
| 1818 | 29519 | jtorres | * <p>
|
| 1819 | * Converts and returns the {@link Rectangle2D Rectangle2D}, that is in
|
||
| 1820 | * <i>map coordinates</i> to <i>screen coordinates</i> (pixels) using an
|
||
| 1821 | * <i>inverse transform</i> with the transformation affine information in
|
||
| 1822 | * the {@link #trans #trans} attribute.
|
||
| 1823 | * </p>
|
||
| 1824 | *
|
||
| 1825 | * @param r
|
||
| 1826 | * the 2D rectangle in <i>map coordinates</i>
|
||
| 1827 | 21200 | vcaballero | * @return 2D rectangle equivalent in <i>screen coordinates</i> (pixels)
|
| 1828 | 29519 | jtorres | *
|
| 1829 | 21200 | vcaballero | * @see #toMapRectangle(Rectangle2D)
|
| 1830 | * @see #fromMapDistance(double)
|
||
| 1831 | * @see #fromMapPoint(Point2D)
|
||
| 1832 | */
|
||
| 1833 | public Rectangle2D fromMapRectangle(Rectangle2D r) { |
||
| 1834 | 29519 | jtorres | Rectangle2D rect = new Rectangle2D.Double(); |
| 1835 | Point2D p1 = fromMapPoint((int) r.getX(), (int) r.getY()); |
||
| 1836 | Point2D p2 = fromMapPoint((int) r.getMaxX(), (int) r.getMaxY()); |
||
| 1837 | rect.setFrameFromDiagonal(p1, p2); |
||
| 1838 | 21200 | vcaballero | return rect;
|
| 1839 | } |
||
| 1840 | |||
| 1841 | /**
|
||
| 1842 | 29519 | jtorres | * <p>
|
| 1843 | * Recalculates the current <code>{@linkplain #extent}</code> using an
|
||
| 1844 | * scale. It's necessary execute {@linkplain #refreshExtent()} after.
|
||
| 1845 | * </p>
|
||
| 1846 | *
|
||
| 1847 | * @param s
|
||
| 1848 | * the scale to set
|
||
| 1849 | *
|
||
| 1850 | * @deprecated since 07/09/07, use
|
||
| 1851 | * {@linkplain MapContext#setScaleView(long)}
|
||
| 1852 | 21200 | vcaballero | */
|
| 1853 | 29519 | jtorres | public void setScale(long s) { |
| 1854 | double x = extent.getX();
|
||
| 1855 | double y = extent.getY();
|
||
| 1856 | 29279 | jldominguez | double escalaX = imageSize.width / extent.getWidth();
|
| 1857 | 29519 | jtorres | double w = imageSize.width / s;
|
| 1858 | double h = imageSize.height / s;
|
||
| 1859 | double difw = escalaX / s;
|
||
| 1860 | 21200 | vcaballero | |
| 1861 | 29519 | jtorres | double x1 = (-x * difw) - x + extent.getWidth() / 2; |
| 1862 | double y1 = (-y * difw) - y + extent.getHeight() / 2; |
||
| 1863 | double w1 = extent.getWidth() * difw;
|
||
| 1864 | double h1 = extent.getHeight() * difw;
|
||
| 1865 | extent.setRect(-x1, -y1, w1, h1); |
||
| 1866 | 21200 | vcaballero | } |
| 1867 | 29519 | jtorres | |
| 1868 | public long getDrawVersion() { |
||
| 1869 | return this.drawVersion; |
||
| 1870 | } |
||
| 1871 | |||
| 1872 | protected void updateDrawVersion() { |
||
| 1873 | this.drawVersion++;
|
||
| 1874 | } |
||
| 1875 | |||
| 1876 | 21200 | vcaballero | } |