svn-gvsig-desktop / branches / v2_0_0_prep / libraries / libFMap_mapcontext / src / org / gvsig / fmap / mapcontext / ViewPort.java @ 35183
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| 1 | 32880 | jjdelcerro | /* 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 | 26225 | jmvivo | import java.awt.Toolkit; |
| 46 | 21200 | vcaballero | import java.awt.geom.AffineTransform; |
| 47 | import java.awt.geom.NoninvertibleTransformException; |
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| 48 | import java.awt.geom.Point2D; |
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| 49 | import java.awt.geom.Rectangle2D; |
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| 50 | import java.util.ArrayList; |
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| 51 | |||
| 52 | import org.cresques.cts.GeoCalc; |
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| 53 | import org.cresques.cts.IProjection; |
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| 54 | 27514 | cmartinez | import org.cresques.cts.UTM; |
| 55 | 33652 | jjdelcerro | import org.gvsig.fmap.geom.Geometry.SUBTYPES; |
| 56 | 27414 | jpiera | import org.gvsig.fmap.geom.GeometryLocator; |
| 57 | import org.gvsig.fmap.geom.GeometryManager; |
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| 58 | import org.gvsig.fmap.geom.exception.CreateEnvelopeException; |
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| 59 | 21426 | vcaballero | import org.gvsig.fmap.geom.primitive.Envelope; |
| 60 | 21200 | vcaballero | import org.gvsig.fmap.mapcontext.events.ColorEvent; |
| 61 | import org.gvsig.fmap.mapcontext.events.ExtentEvent; |
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| 62 | import org.gvsig.fmap.mapcontext.events.ProjectionEvent; |
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| 63 | import org.gvsig.fmap.mapcontext.events.listeners.ViewPortListener; |
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| 64 | 30173 | jldominguez | import org.gvsig.tools.ToolsLocator; |
| 65 | 32880 | jjdelcerro | import org.gvsig.tools.dynobject.DynStruct; |
| 66 | 33652 | jjdelcerro | import org.gvsig.tools.lang.Cloneable; |
| 67 | 32711 | cmartinez | import org.gvsig.tools.persistence.PersistenceManager; |
| 68 | 30173 | jldominguez | import org.gvsig.tools.persistence.Persistent; |
| 69 | import org.gvsig.tools.persistence.PersistentState; |
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| 70 | 32880 | jjdelcerro | import org.gvsig.tools.persistence.exception.PersistenceException; |
| 71 | 33652 | jjdelcerro | import org.gvsig.tools.util.Callable; |
| 72 | 27414 | jpiera | import org.slf4j.Logger; |
| 73 | import org.slf4j.LoggerFactory; |
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| 74 | 21200 | vcaballero | |
| 75 | /**
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| 76 | 29519 | jtorres | * <p>
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| 77 | * <code>ViewPort</code> class represents the logic needed to transform a
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| 78 | * rectangular area of a map to the available area in screen to display it.
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| 79 | * </p>
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| 80 | *
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| 81 | * <p>
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| 82 | * Includes an affine transformation, between the rectangular area selected of
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| 83 | * the external map, in its own <i>map coordinates</i>, to the rectangular area
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| 84 | * available of a view in <i>screen coordinates</i>.
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| 85 | * </p>
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| 86 | *
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| 87 | * <p>
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| 88 | * Elements:
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| 89 | 21200 | vcaballero | * <ul>
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| 90 | * <li><i>extent</i>: the area selected of the map, in <i>map coordinates</i>.
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| 91 | 29519 | jtorres | * <li><i>imageSize</i>: width and height in pixels (<i>screen coordinates</i>)
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| 92 | * of the area available in screen to display the area selected of the map.
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| 93 | * <li><i>adjustedExtent</i>: the area selected must be an scale of
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| 94 | * <i>imageSize</i>.<br>
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| 95 | * This implies adapt the extent, preserving and centering it, and adding around
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| 96 | * the needed area to fill all the image size. That added area will be extracted
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| 97 | * from the original map, wherever exists, and filled with the background color
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| 98 | * wherever not.
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| 99 | 21200 | vcaballero | * <li><i>scale</i>: the scale between the adjusted extent and the image size.
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| 100 | 29519 | jtorres | * <li><i>backColor</i>: the default background color in the view, if there is
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| 101 | * no map.
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| 102 | 21200 | vcaballero | * <li><i>trans</i>: the affine transformation.
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| 103 | * <li><i>proj</i>: map projection used in this view.
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| 104 | * <li><i>distanceUnits</i>: distance measurement units, of data in screen.
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| 105 | * <li><i>mapUnits</i>: measurement units, of data in map.
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| 106 | 29519 | jtorres | * <li><i>extents</i>: an {@link ExtentHistory ExtentHistory} with the last
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| 107 | * previous extents.
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| 108 | * <li><i>offset</i>: position in pixels of the available rectangular area,
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| 109 | * where start drawing the map.
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| 110 | * <li><i>dist1pixel</i>: the distance in <i>world coordinates</i> equivalent to
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| 111 | * 1 pixel in the view with the current extent.
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| 112 | * <li><i>dist3pixel</i>: the distance in <i>world coordinates</i> equivalent to
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| 113 | * 3 pixels in the view with the current extent.
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| 114 | * <li><i>listeners</i>: list with the {@link ViewPortListener ViewPortListener}
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| 115 | * registered.
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| 116 | 21200 | vcaballero | * </ul>
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| 117 | * </p>
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| 118 | 29519 | jtorres | *
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| 119 | 21200 | vcaballero | * @author Vicente Caballero Navarro
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| 120 | */
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| 121 | 33613 | fdiaz | public class ViewPort implements Persistent, Cloneable { |
| 122 | 33352 | cordinyana | |
| 123 | 33613 | fdiaz | private static final String FIELD_DISTANCE_AREA = "distanceArea"; |
| 124 | private static final String FIELD_IMAGE_SIZE = "imageSize"; |
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| 125 | private static final String FIELD_PROJ = "proj"; |
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| 126 | private static final String FIELD_OFFSET = "offset"; |
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| 127 | private static final String FIELD_MAP_UNITS = "mapUnits"; |
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| 128 | private static final String FIELD_EXTENT = "extent"; |
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| 129 | private static final String FIELD_EXTENTS = "extents"; |
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| 130 | private static final String FIELD_DISTANCE_UNITS = "distanceUnits"; |
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| 131 | private static final String FIELD_DIST3PIXEL = "dist3pixel"; |
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| 132 | private static final String FIELD_DIST1PIXEL = "dist1pixel"; |
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| 133 | private static final String FIELD_CLIP = "clip"; |
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| 134 | private static final String FIELD_BACK_COLOR = "backColor"; |
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| 135 | private static final String FIELD_ADJUSTED_EXTENT = "adjustedExtent"; |
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| 136 | 29519 | jtorres | |
| 137 | 33613 | fdiaz | private static final GeometryManager geomManager = |
| 138 | GeometryLocator.getGeometryManager(); |
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| 139 | private static final Logger logger = |
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| 140 | LoggerFactory.getLogger(ViewPort.class); |
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| 141 | 21200 | vcaballero | |
| 142 | 33613 | fdiaz | /**
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| 143 | * <p>
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| 144 | * Screen resolution in <i>dots-per-inch</i>. Useful to calculate the
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| 145 | * geographic scale of the view.
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| 146 | * </p>
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| 147 | *
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| 148 | * @see Toolkit#getScreenResolution()
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| 149 | * @see #getScale()
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| 150 | */
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| 151 | private static int dpi = java.awt.Toolkit.getDefaultToolkit() |
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| 152 | .getScreenResolution(); |
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| 153 | 21200 | vcaballero | |
| 154 | 33613 | fdiaz | /**
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| 155 | * <p>
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| 156 | * Area selected by user using some tool.
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| 157 | * </p>
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| 158 | *
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| 159 | * <p>
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| 160 | * When the zoom changes (for instance when using the zoom in or zoom out
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| 161 | * tools, but also zooming to a selected feature or shape) the extent that
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| 162 | * covers that area is the value returned by this method. It is not the
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| 163 | * actual area shown in the view because it does not care about the aspect
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| 164 | * ratio of the available area. However, any part of the real world
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| 165 | * contained in this extent is shown in the view.
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| 166 | * </p>
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| 167 | * <p>
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| 168 | * Probably this is not what you are looking for. If you are looking for the
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| 169 | * complete extent currently shown, you must use
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| 170 | * {@linkplain #getAdjustedExtent()} method which returns the extent that
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| 171 | * contains this one but regarding the current view's aspect ratio.
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| 172 | * </p>
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| 173 | *
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| 174 | * @see #getExtent()
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| 175 | * @see #setEnvelope(Envelope)
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| 176 | */
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| 177 | protected Rectangle2D extent; |
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| 178 | 21200 | vcaballero | |
| 179 | 33613 | fdiaz | /**
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| 180 | * <p>
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| 181 | * Location and dimensions of the extent adjusted to the image size.
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| 182 | * </p>
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| 183 | *
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| 184 | * @see #getAdjustedExtent()
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| 185 | */
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| 186 | protected Rectangle2D adjustedExtent; |
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| 187 | 29519 | jtorres | |
| 188 | 33613 | fdiaz | /**
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| 189 | * Draw version of the context. It's used for know when de componend has
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| 190 | * changed any visualization property
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| 191 | *
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| 192 | * @see getDrawVersion
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| 193 | * @see updateDrawVersion
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| 194 | */
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| 195 | private long drawVersion = 0L; |
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| 196 | 21200 | vcaballero | |
| 197 | 33613 | fdiaz | /**
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| 198 | * <p>
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| 199 | * History with the last extents of the view.
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| 200 | * </p>
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| 201 | *
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| 202 | * @see #setPreviousExtent()
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| 203 | * @see #getExtents()
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| 204 | */
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| 205 | protected ExtentHistory extents = new ExtentHistory(); |
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| 206 | 21200 | vcaballero | |
| 207 | 33613 | fdiaz | /**
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| 208 | * <p>
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| 209 | * Size in <i>screen coordinates</i> of the rectangle where the image is
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| 210 | * displayed.
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| 211 | * </p>
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| 212 | * <p>
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| 213 | * Used by {@linkplain #calculateAffineTransform()} to calculate:<br>
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| 214 | *
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| 215 | * <ul>
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| 216 | * <li>The new {@link #scale scale} .
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| 217 | * <li>The new {@link #adjustedExtent adjustableExtent} .
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| 218 | * <li>The new {@link #trans trans} .
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| 219 | * <li>The new real world coordinates equivalent to 1 pixel (
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| 220 | * {@link #dist1pixel dist1pixel}) .
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| 221 | * <li>The new real world coordinates equivalent to 3 pixels (
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| 222 | * {@link #dist3pixel dist3pixel}) .
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| 223 | * </ul>
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| 224 | * </p>
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| 225 | *
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| 226 | * @see #getImageSize()
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| 227 | * @see #getImageHeight()
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| 228 | * @see #getImageWidth()
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| 229 | * @see #setImageSize(Dimension)
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| 230 | */
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| 231 | private Dimension imageSize; |
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| 232 | 21200 | vcaballero | |
| 233 | 33613 | fdiaz | /**
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| 234 | * <p>
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| 235 | * the affine transformation between the {@link #extent extent} in <i>map 2D
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| 236 | * coordinates</i> to the image area in the screen, in <i>screen 2D
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| 237 | * coordinates</i> (pixels).
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| 238 | * </p>
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| 239 | *
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| 240 | * @see AffineTransform
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| 241 | *
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| 242 | * @see #getAffineTransform()
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| 243 | * @see #setAffineTransform(AffineTransform)
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| 244 | * @see #calculateAffineTransform()
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| 245 | */
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| 246 | private AffineTransform trans = new AffineTransform(); |
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| 247 | 21200 | vcaballero | |
| 248 | 33613 | fdiaz | /**
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| 249 | * <p>
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| 250 | * Measurement unit used for measuring distances and displaying information.
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| 251 | * </p>
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| 252 | *
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| 253 | * @see #getDistanceUnits()
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| 254 | * @see #setDistanceUnits(int)
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| 255 | */
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| 256 | private int distanceUnits = 1; |
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| 257 | /**
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| 258 | * <p>
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| 259 | * Measurement unit used for measuring areas and displaying information.
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| 260 | * </p>
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| 261 | *
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| 262 | * @see #getDistanceArea()
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| 263 | * @see #setDistanceArea(int)
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| 264 | */
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| 265 | private int distanceArea = 1; |
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| 266 | /**
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| 267 | * <p>
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| 268 | * Measurement unit used by this view port for the map.
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| 269 | * </p>
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| 270 | *
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| 271 | * @see #getMapUnits()
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| 272 | * @see #setMapUnits(int)
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| 273 | */
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| 274 | private int mapUnits = 1; |
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| 275 | 21200 | vcaballero | |
| 276 | 33613 | fdiaz | /**
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| 277 | * <p>
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| 278 | * Array with the {@link ViewPortListener ViewPortListener}s registered to
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| 279 | * this view port.
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| 280 | * </p>
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| 281 | *
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| 282 | * @see #addViewPortListener(ViewPortListener)
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| 283 | * @see #removeViewPortListener(ViewPortListener)
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| 284 | */
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| 285 | private ArrayList listeners = new ArrayList(); |
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| 286 | 21200 | vcaballero | |
| 287 | 33613 | fdiaz | /**
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| 288 | * <p>
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| 289 | * The offset is the position where start drawing the map.
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| 290 | * </p>
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| 291 | * <p>
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| 292 | * The offset of a <a href="http://www.gvsig.gva.es/">gvSIG</a>'s
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| 293 | * <i>View</i> is always (0, 0) because the drawing area fits with the full
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| 294 | * window area. But in a <a href="http://www.gvsig.gva.es/">gvSIG</a>'s
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| 295 | * <i>Layout</i> it's up to the place where the <code>FFrameView</code> is
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| 296 | * located.
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| 297 | * </p>
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| 298 | *
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| 299 | * @see #getOffset()
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| 300 | * @see #setOffset(Point2D)
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| 301 | */
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| 302 | private Point2D offset = new Point2D.Double(0, 0); |
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| 303 | 21200 | vcaballero | |
| 304 | 33613 | fdiaz | /**
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| 305 | * <p>
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| 306 | * Clipping area.
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| 307 | * </p>
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| 308 | */
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| 309 | // private Rectangle2D clip;
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| 310 | 21200 | vcaballero | |
| 311 | 33613 | fdiaz | /**
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| 312 | * <p>
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| 313 | * Background color of this view.
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| 314 | * </p>
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| 315 | *
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| 316 | * @see #getBackColor()
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| 317 | * @see #setBackColor(Color)
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| 318 | */
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| 319 | private Color backColor = null; // Color.WHITE; |
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| 320 | 21200 | vcaballero | |
| 321 | 33613 | fdiaz | /**
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| 322 | * <p>
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| 323 | * Information about the map projection used in this view.
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| 324 | * </p>
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| 325 | *
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| 326 | * @see #getProjection()
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| 327 | * @see #setProjection(IProjection)
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| 328 | */
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| 329 | private IProjection proj;
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| 330 | 21200 | vcaballero | |
| 331 | 33613 | fdiaz | /**
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| 332 | * <p>
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| 333 | * Represents the distance in <i>world coordinates</i> equivalent to 1 pixel
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| 334 | * in the view with the current extent.
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| 335 | * </p>
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| 336 | *
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| 337 | * @see #getDist1pixel()
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| 338 | * @see #setDist1pixel(double)
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| 339 | */
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| 340 | private double dist1pixel; |
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| 341 | 21200 | vcaballero | |
| 342 | 33613 | fdiaz | /**
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| 343 | * <p>
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| 344 | * Represents the distance in <i>world coordinates</i> equivalent to 3
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| 345 | * pixels in the view with the current extent.
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| 346 | * </p>
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| 347 | *
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| 348 | * @see #getDist3pixel()
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| 349 | * @see #setDist3pixel(double)
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| 350 | */
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| 351 | private double dist3pixel; |
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| 352 | 21200 | vcaballero | |
| 353 | 33613 | fdiaz | /**
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| 354 | * <p>
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| 355 | * Ratio between the size of <code>imageSize</code> and <code>extent</code>:
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| 356 | * <br>
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| 357 | * <i>
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| 358 | *
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| 359 | * <pre>
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| 360 | * min{(imageSize.getHeight()/extent.getHeight(), imageSize.getWidth()/extent.getWidth())}
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| 361 | * </pre>
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| 362 | *
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| 363 | * </i>
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| 364 | * </p>
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| 365 | */
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| 366 | private double scale; |
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| 367 | 21200 | vcaballero | |
| 368 | 33613 | fdiaz | /**
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| 369 | * <p>
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| 370 | * Clipping area.
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| 371 | * </p>
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| 372 | *
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| 373 | * @see #setClipRect(Rectangle2D)
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| 374 | */
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| 375 | private Rectangle2D cliprect; |
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| 376 | 21200 | vcaballero | |
| 377 | 33613 | fdiaz | /**
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| 378 | * <p>
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| 379 | * Enables or disables the <i>"adjustable extent"</i> mode.
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| 380 | * </p>
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| 381 | *
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| 382 | * <p>
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| 383 | * When calculates the affine transform, if
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| 384 | * <ul>
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| 385 | * <li><i>enabled</i>: the new <code>adjustedExtent</code> will have the (X,
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| 386 | * Y) coordinates of the <code>extent</code> and an area that will be an
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| 387 | * scale of the image size. That area will have different height or width
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| 388 | * (not both) of the extent according the least ratio (height or width) in
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| 389 | *
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| 390 | * <pre>
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| 391 | * image.size/extent.size"
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| 392 | * </pre>.
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| 393 | * <li><i>disabled</i>: the new <code>adjustedExtent</code> will be like
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| 394 | * <code>extent</code>.
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| 395 | * </ul>
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| 396 | * </p>
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| 397 | *
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| 398 | * @see #setAdjustable(boolean)
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| 399 | */
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| 400 | private boolean adjustableExtent = true; |
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| 401 | 21200 | vcaballero | |
| 402 | 33613 | fdiaz | public ViewPort() {
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| 403 | 21200 | vcaballero | |
| 404 | 33613 | fdiaz | } |
| 405 | 21200 | vcaballero | |
| 406 | 33613 | fdiaz | /**
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| 407 | * <p>
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| 408 | * Creates a new view port with the information of the projection in
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| 409 | * <code>proj</code> argument, and default configuration:
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| 410 | * </p>
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| 411 | * <p>
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| 412 | * <ul>
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| 413 | * <li><i><code>distanceUnits</code></i> = meters
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| 414 | * <li><i><code>mapUnits</code></i> = meters
|
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| 415 | * <li><i><code>backColor</code></i> = <i>undefined</i>
|
||
| 416 | * <li><i><code>offset</code></i> = <code>new Point2D.Double(0, 0);</code>
|
||
| 417 | * </ul>
|
||
| 418 | * </p>
|
||
| 419 | *
|
||
| 420 | * @param proj
|
||
| 421 | * information of the projection for this view port
|
||
| 422 | */
|
||
| 423 | public ViewPort(IProjection proj) {
|
||
| 424 | // Por defecto
|
||
| 425 | this.proj = proj;
|
||
| 426 | } |
||
| 427 | 21200 | vcaballero | |
| 428 | 33613 | fdiaz | /**
|
| 429 | * <p>
|
||
| 430 | * Changes the status of the <i>"adjustable extent"</i> option to enabled or
|
||
| 431 | * disabled.
|
||
| 432 | * </p>
|
||
| 433 | *
|
||
| 434 | * <p>
|
||
| 435 | * If view port isn't adjustable, won't bear in mind the aspect ratio of the
|
||
| 436 | * available rectangular area to calculate the affine transform from the
|
||
| 437 | * original map in real coordinates. (Won't scale the image to adapt it to
|
||
| 438 | * the available rectangular area).
|
||
| 439 | * </p>
|
||
| 440 | *
|
||
| 441 | * @param boolean the boolean to be set
|
||
| 442 | */
|
||
| 443 | public void setAdjustable(boolean adjustable) { |
||
| 444 | if (adjustable == adjustableExtent) {
|
||
| 445 | return;
|
||
| 446 | } |
||
| 447 | adjustableExtent = adjustable; |
||
| 448 | this.updateDrawVersion();
|
||
| 449 | } |
||
| 450 | 21200 | vcaballero | |
| 451 | 33613 | fdiaz | /**
|
| 452 | * <p>
|
||
| 453 | * Appends the specified {@link ViewPortListener ViewPortListener} listener
|
||
| 454 | * if weren't.
|
||
| 455 | * </p>
|
||
| 456 | *
|
||
| 457 | * @param arg0
|
||
| 458 | * the listener to add
|
||
| 459 | *
|
||
| 460 | * @return <code>true</code> if has been added successfully
|
||
| 461 | *
|
||
| 462 | * @see #removeViewPortListener(ViewPortListener)
|
||
| 463 | */
|
||
| 464 | public boolean addViewPortListener(ViewPortListener arg0) { |
||
| 465 | if (!listeners.contains(arg0)) {
|
||
| 466 | return listeners.add(arg0);
|
||
| 467 | } |
||
| 468 | return false; |
||
| 469 | } |
||
| 470 | 21200 | vcaballero | |
| 471 | 33613 | fdiaz | /**
|
| 472 | * <p>
|
||
| 473 | * Removes the specified {@link ViewPortListener ViewPortListener} listener,
|
||
| 474 | * if existed.
|
||
| 475 | * </p>
|
||
| 476 | *
|
||
| 477 | * @param arg0
|
||
| 478 | * the listener to remove
|
||
| 479 | *
|
||
| 480 | * @return <code>true</code> if the contained the specified listener.
|
||
| 481 | *
|
||
| 482 | * @see #addViewPortListener(ViewPortListener)
|
||
| 483 | */
|
||
| 484 | public boolean removeViewPortListener(ViewPortListener arg0) { |
||
| 485 | return listeners.remove(arg0);
|
||
| 486 | } |
||
| 487 | 21200 | vcaballero | |
| 488 | 33613 | fdiaz | /**
|
| 489 | * <p>
|
||
| 490 | * Converts and returns the distance <code>d</code>, that is in <i>map
|
||
| 491 | * coordinates</i> to <i>screen coordinates</i> using a <i>delta
|
||
| 492 | * transform</i> with the transformation affine information in the
|
||
| 493 | * {@link #trans #trans} attribute.
|
||
| 494 | * </p>
|
||
| 495 | *
|
||
| 496 | * @param d
|
||
| 497 | * distance in <i>map coordinates</i>
|
||
| 498 | *
|
||
| 499 | * @return distance equivalent in <i>screen coordinates</i>
|
||
| 500 | *
|
||
| 501 | * @see #toMapDistance(int)
|
||
| 502 | * @see AffineTransform#deltaTransform(Point2D, Point2D)S
|
||
| 503 | */
|
||
| 504 | public int fromMapDistance(double d) { |
||
| 505 | Point2D.Double pWorld = new Point2D.Double(1, 1); |
||
| 506 | Point2D.Double pScreen = new Point2D.Double(); |
||
| 507 | 21200 | vcaballero | |
| 508 | 33613 | fdiaz | try {
|
| 509 | trans.deltaTransform(pWorld, pScreen); |
||
| 510 | } catch (Exception e) { |
||
| 511 | System.err.print(e.getMessage());
|
||
| 512 | } |
||
| 513 | 21200 | vcaballero | |
| 514 | 33613 | fdiaz | return (int) (d * pScreen.x); |
| 515 | } |
||
| 516 | 21200 | vcaballero | |
| 517 | 33613 | fdiaz | /**
|
| 518 | * <p>
|
||
| 519 | * Converts and returns the 2D point <code>(x,y)</code>, that is in <i>map
|
||
| 520 | * coordinates</i> to <i>screen coordinates</i> (pixels) using the affine
|
||
| 521 | * transformation in the {@link #trans #trans} attribute.
|
||
| 522 | * </p>
|
||
| 523 | *
|
||
| 524 | * @param x
|
||
| 525 | * the <code>x</code> <i>map coordinate</i> of a 2D point
|
||
| 526 | * @param y
|
||
| 527 | * the <code>y</code> <i>map coordinate</i> of a 2D point
|
||
| 528 | *
|
||
| 529 | * @return 2D point equivalent in <i>screen coordinates</i> (pixels)
|
||
| 530 | *
|
||
| 531 | * @see #fromMapPoint(Point2D)
|
||
| 532 | * @see AffineTransform#transform(Point2D, Point2D)
|
||
| 533 | */
|
||
| 534 | public Point2D fromMapPoint(double x, double y) { |
||
| 535 | Point2D.Double pWorld = new Point2D.Double(x, y); |
||
| 536 | Point2D.Double pScreen = new Point2D.Double(); |
||
| 537 | 21200 | vcaballero | |
| 538 | 33613 | fdiaz | try {
|
| 539 | trans.transform(pWorld, pScreen); |
||
| 540 | } catch (Exception e) { |
||
| 541 | System.err.print(e.getMessage());
|
||
| 542 | } |
||
| 543 | 21200 | vcaballero | |
| 544 | 33613 | fdiaz | return pScreen;
|
| 545 | } |
||
| 546 | 21200 | vcaballero | |
| 547 | 33613 | fdiaz | /**
|
| 548 | * <p>
|
||
| 549 | * Converts and returns the 2D point argument, that is in <i>map
|
||
| 550 | * coordinates</i> to <i>screen coordinates</i> (pixels) using the affine
|
||
| 551 | * transformation in the {@link #trans #trans} attribute.
|
||
| 552 | * </p>
|
||
| 553 | *
|
||
| 554 | * @param point
|
||
| 555 | * the 2D point in <i>map coordinates</i>
|
||
| 556 | *
|
||
| 557 | * @return 2D point equivalent in <i>screen coordinates</i> (pixels)
|
||
| 558 | *
|
||
| 559 | * @see #toMapPoint(Point2D)
|
||
| 560 | * @see #fromMapPoint(double, double)
|
||
| 561 | */
|
||
| 562 | public Point2D fromMapPoint(Point2D point) { |
||
| 563 | return fromMapPoint(point.getX(), point.getY());
|
||
| 564 | } |
||
| 565 | 21200 | vcaballero | |
| 566 | 33613 | fdiaz | /**
|
| 567 | * <p>
|
||
| 568 | * Converts and returns the 2D point <code>(x,y)</code>, that is in
|
||
| 569 | * <i>screen coordinates</i> (pixels) to <i>map coordinates</i> using the
|
||
| 570 | * affine transformation in the {@link #trans #trans} attribute.
|
||
| 571 | * </p>
|
||
| 572 | *
|
||
| 573 | * @param x
|
||
| 574 | * the <code>x</code> <i>screen coordinate</i> of a 2D point
|
||
| 575 | * @param y
|
||
| 576 | * the <code>y</code> <i>screen coordinate</i> of a 2D point
|
||
| 577 | *
|
||
| 578 | * @return 2D point equivalent in <i>map coordinates</i>
|
||
| 579 | *
|
||
| 580 | * @see #toMapPoint(Point2D)
|
||
| 581 | * @see #fromMapPoint(double, double)
|
||
| 582 | */
|
||
| 583 | public Point2D toMapPoint(int x, int y) { |
||
| 584 | Point2D pScreen = new Point2D.Double(x, y); |
||
| 585 | 21200 | vcaballero | |
| 586 | 33613 | fdiaz | return toMapPoint(pScreen);
|
| 587 | } |
||
| 588 | 21200 | vcaballero | |
| 589 | 33613 | fdiaz | /**
|
| 590 | * <p>
|
||
| 591 | * Converts and returns the {@link Rectangle2D Rectangle2D}, that is in
|
||
| 592 | * <i>screen coordinates</i> (pixels) to <i>map coordinates</i> using
|
||
| 593 | * {@linkplain #toMapDistance(int)}, and {@linkplain #toMapPoint(int, int)}.
|
||
| 594 | * </p>
|
||
| 595 | *
|
||
| 596 | * @param r
|
||
| 597 | * the 2D rectangle in <i>screen coordinates</i> (pixels)
|
||
| 598 | * @return 2D rectangle equivalent in <i>map coordinates</i>
|
||
| 599 | *
|
||
| 600 | * @see #fromMapRectangle(Rectangle2D)
|
||
| 601 | * @see #toMapDistance(int)
|
||
| 602 | * @see #toMapPoint(int, int)
|
||
| 603 | */
|
||
| 604 | public Rectangle2D toMapRectangle(Rectangle2D r) { |
||
| 605 | Rectangle2D rect = new Rectangle2D.Double(); |
||
| 606 | Point2D p1 = toMapPoint((int) r.getX(), (int) r.getY()); |
||
| 607 | Point2D p2 = toMapPoint((int) r.getMaxX(), (int) r.getMaxY()); |
||
| 608 | rect.setFrameFromDiagonal(p1, p2); |
||
| 609 | return rect;
|
||
| 610 | } |
||
| 611 | 21200 | vcaballero | |
| 612 | 33613 | fdiaz | /**
|
| 613 | * <p>
|
||
| 614 | * Converts and returns the distance <code>d</code>, that is in <i>screen
|
||
| 615 | * coordinates</i> to <i>map coordinates</i> using the transformation affine
|
||
| 616 | * information in the {@link #trans #trans} attribute.
|
||
| 617 | * </p>
|
||
| 618 | *
|
||
| 619 | * @param d
|
||
| 620 | * distance in pixels
|
||
| 621 | *
|
||
| 622 | * @return distance equivalent in <i>map coordinates</i>
|
||
| 623 | *
|
||
| 624 | * @see #fromMapDistance(double)
|
||
| 625 | * @see AffineTransform
|
||
| 626 | */
|
||
| 627 | public double toMapDistance(int d) { |
||
| 628 | double dist = d / trans.getScaleX();
|
||
| 629 | 21200 | vcaballero | |
| 630 | 33613 | fdiaz | return dist;
|
| 631 | } |
||
| 632 | 21200 | vcaballero | |
| 633 | 33613 | fdiaz | /**
|
| 634 | * <p>
|
||
| 635 | * Converts and returns the 2D point argument, that is in <i>screen
|
||
| 636 | * coordinates</i> (pixels) to <i>map coordinates</i> using the inverse
|
||
| 637 | * affine transformation of the {@link #trans #trans} attribute.
|
||
| 638 | * </p>
|
||
| 639 | *
|
||
| 640 | * @param pScreen
|
||
| 641 | * the 2D point in <i>screen coordinates</i> (pixels)
|
||
| 642 | *
|
||
| 643 | * @return 2D point equivalent in <i>map coordinates</i>
|
||
| 644 | *
|
||
| 645 | * @see #toMapPoint(int, int)
|
||
| 646 | * @see AffineTransform#createInverse()
|
||
| 647 | * @see AffineTransform#transform(Point2D, Point2D)
|
||
| 648 | */
|
||
| 649 | public Point2D toMapPoint(Point2D pScreen) { |
||
| 650 | Point2D.Double pWorld = new Point2D.Double(); |
||
| 651 | AffineTransform at;
|
||
| 652 | 21200 | vcaballero | |
| 653 | 33613 | fdiaz | try {
|
| 654 | at = trans.createInverse(); |
||
| 655 | at.transform(pScreen, pWorld); |
||
| 656 | } catch (NoninvertibleTransformException e) { |
||
| 657 | throw new RuntimeException("Non invertible transform Exception", e); |
||
| 658 | } |
||
| 659 | 21200 | vcaballero | |
| 660 | 33613 | fdiaz | return pWorld;
|
| 661 | } |
||
| 662 | 29519 | jtorres | |
| 663 | 33613 | fdiaz | /**
|
| 664 | * <p>
|
||
| 665 | * Returns the real distance (in <i>world coordinates</i>) at the graphic
|
||
| 666 | * layers of two 2D points (in <i>map coordinates</i>) of the plane where is
|
||
| 667 | * selected the <i>extent</i>.
|
||
| 668 | * </p>
|
||
| 669 | * <p>
|
||
| 670 | * If the projection of this view is UTM, considers the Earth curvature.
|
||
| 671 | * </p>
|
||
| 672 | *
|
||
| 673 | * @param pt1
|
||
| 674 | * a 2D point in <i>map coordinates</i>
|
||
| 675 | * @param pt2
|
||
| 676 | * another 2D point in <i>map coordinates</i>
|
||
| 677 | *
|
||
| 678 | * @return the distance in meters between the two points 2D
|
||
| 679 | *
|
||
| 680 | * @see GeoCalcImpl#distanceVincenty(Point2D, Point2D)
|
||
| 681 | */
|
||
| 682 | public double distanceWorld(Point2D pt1, Point2D pt2) { |
||
| 683 | double dist = -1; |
||
| 684 | dist = pt1.distance(pt2); |
||
| 685 | 21200 | vcaballero | |
| 686 | 33613 | fdiaz | if ((proj != null) && !(proj instanceof UTM)) { |
| 687 | dist = |
||
| 688 | new GeoCalc(proj).distanceVincenty(proj.toGeo(pt1),
|
||
| 689 | proj.toGeo(pt2)); |
||
| 690 | return dist;
|
||
| 691 | } |
||
| 692 | return (dist * MapContext.getDistanceTrans2Meter()[getMapUnits()]);
|
||
| 693 | } |
||
| 694 | 21200 | vcaballero | |
| 695 | 33613 | fdiaz | /**
|
| 696 | * <p>
|
||
| 697 | * Sets as extent and adjusted extent of this view port, the previous.
|
||
| 698 | * Recalculating its parameters.
|
||
| 699 | * </p>
|
||
| 700 | *
|
||
| 701 | * @see #getExtents()
|
||
| 702 | * @see #calculateAffineTransform()
|
||
| 703 | * @deprecated use {@link ViewPort#setPreviousEnvelope()}
|
||
| 704 | */
|
||
| 705 | public void setPreviousExtent() { |
||
| 706 | setPreviousEnvelope(); |
||
| 707 | } |
||
| 708 | 21200 | vcaballero | |
| 709 | 33613 | fdiaz | /**
|
| 710 | * <p>
|
||
| 711 | * Sets as envelope and adjusted envelope of this view port, the previous.
|
||
| 712 | * Recalculating its parameters.
|
||
| 713 | * </p>
|
||
| 714 | *
|
||
| 715 | * @see #getExtents()
|
||
| 716 | * @see #calculateAffineTransform()
|
||
| 717 | */
|
||
| 718 | public void setPreviousEnvelope() { |
||
| 719 | this.updateDrawVersion();
|
||
| 720 | extent = extents.removePrev(); |
||
| 721 | 29519 | jtorres | |
| 722 | 33613 | fdiaz | // Calcula la transformaci?n af?n
|
| 723 | calculateAffineTransform(); |
||
| 724 | 21200 | vcaballero | |
| 725 | 33613 | fdiaz | // Lanzamos los eventos de extent cambiado
|
| 726 | callExtentChanged(getAdjustedExtent()); |
||
| 727 | } |
||
| 728 | 21200 | vcaballero | |
| 729 | 33613 | fdiaz | /**
|
| 730 | * <p>
|
||
| 731 | * Gets the area selected by user using some tool.
|
||
| 732 | * </p>
|
||
| 733 | *
|
||
| 734 | * <p>
|
||
| 735 | * When the zoom changes (for instance using the <i>zoom in</i> or <i>zoom
|
||
| 736 | * out</i> tools, but also zooming to a selected feature or shape) the
|
||
| 737 | * extent that covers that area is the value returned by this method. It is
|
||
| 738 | * not the actual area shown because it doesn't care about the aspect ratio
|
||
| 739 | * of the image size of the view. However, any part of the real world
|
||
| 740 | * contained in this extent is shown in the view.
|
||
| 741 | * </p>
|
||
| 742 | *
|
||
| 743 | * <p>
|
||
| 744 | * If you are looking for the complete extent currently shown, you must use
|
||
| 745 | * the {@linkplain #getAdjustedExtent()} method.
|
||
| 746 | * </p>
|
||
| 747 | *
|
||
| 748 | * @return the current extent
|
||
| 749 | *
|
||
| 750 | * @see #setEnvelope(Envelope)
|
||
| 751 | * @see #getAdjustedExtent()
|
||
| 752 | * @see #setPreviousExtent()
|
||
| 753 | * @see #getExtents()
|
||
| 754 | *
|
||
| 755 | * @deprecated use {@link ViewPort#getEnvelope()}
|
||
| 756 | */
|
||
| 757 | public Rectangle2D getExtent() { |
||
| 758 | return extent;
|
||
| 759 | } |
||
| 760 | 26905 | jmvivo | |
| 761 | 33613 | fdiaz | /**
|
| 762 | * <p>
|
||
| 763 | * Gets the envelope selected by user using some tool.
|
||
| 764 | * </p>
|
||
| 765 | *
|
||
| 766 | * <p>
|
||
| 767 | * When the zoom changes (for instance using the <i>zoom in</i> or <i>zoom
|
||
| 768 | * out</i> tools, but also zooming to a selected feature or shape) the
|
||
| 769 | * envelope that covers that area is the value returned by this method. It
|
||
| 770 | * is not the actual envelope shown because it doesn't care about the aspect
|
||
| 771 | * ratio of the image size of the view. However, any part of the real world
|
||
| 772 | * contained in this envelope is shown in the view.
|
||
| 773 | * </p>
|
||
| 774 | *
|
||
| 775 | * <p>
|
||
| 776 | * If you are looking for the complete extent currently shown, you must use
|
||
| 777 | * the {@linkplain #getAdjustedEnvelope()} method.
|
||
| 778 | * </p>
|
||
| 779 | *
|
||
| 780 | * @return the current envelope
|
||
| 781 | *
|
||
| 782 | * @see #setEnvelope(Envelope)
|
||
| 783 | * @see #getAdjustedEnvelope()
|
||
| 784 | * @see #setPreviousEnvelope()
|
||
| 785 | * @see #getEnvelopes()
|
||
| 786 | */
|
||
| 787 | public Envelope getEnvelope() {
|
||
| 788 | if (this.extent == null) { |
||
| 789 | return null; |
||
| 790 | } |
||
| 791 | try {
|
||
| 792 | return geomManager.createEnvelope(extent.getMinX(),
|
||
| 793 | extent.getMinY(), |
||
| 794 | extent.getMaxX(), |
||
| 795 | extent.getMaxY(), |
||
| 796 | SUBTYPES.GEOM2D); |
||
| 797 | // This class has to use Envelope instead of Rectangle2D. This catch
|
||
| 798 | // will disappear
|
||
| 799 | } catch (CreateEnvelopeException e) {
|
||
| 800 | logger.error("Error creating the envelope");
|
||
| 801 | } |
||
| 802 | return null; |
||
| 803 | } |
||
| 804 | 21200 | vcaballero | |
| 805 | 33613 | fdiaz | /**
|
| 806 | * <p>
|
||
| 807 | * Changes the <i>extent</i> and <i>adjusted extent</i> of this view port:<br>
|
||
| 808 | * <ul>
|
||
| 809 | * <li>Stores the previous extent.
|
||
| 810 | * <li>Calculates the new extent using <code>r</code>:
|
||
| 811 | *
|
||
| 812 | * <pre>
|
||
| 813 | * extent =
|
||
| 814 | * new Rectangle2D.Double(r.getMinX() - 0.1,
|
||
| 815 | * r.getMinY() - 0.1,
|
||
| 816 | * r.getWidth() + 0.2,
|
||
| 817 | * r.getHeight() + 0.2);
|
||
| 818 | * </pre>
|
||
| 819 | *
|
||
| 820 | * <li>Executes {@linkplain #calculateAffineTransform()}: getting the new
|
||
| 821 | * scale, adjusted extent, affine transformation between map and screen
|
||
| 822 | * coordinates, the real world coordinates equivalent to 1 pixel, and the
|
||
| 823 | * real world coordinates equivalent to 3 pixels.
|
||
| 824 | * <li>Notifies all {@link ViewPortListener ViewPortListener} registered
|
||
| 825 | * that the extent has changed.
|
||
| 826 | * </ul>
|
||
| 827 | * </p>
|
||
| 828 | *
|
||
| 829 | * @param r
|
||
| 830 | * the new extent
|
||
| 831 | *
|
||
| 832 | * @see #getExtent()
|
||
| 833 | * @see #getExtents()
|
||
| 834 | * @see #calculateAffineTransform()
|
||
| 835 | * @see #setPreviousExtent()
|
||
| 836 | */
|
||
| 837 | public void setEnvelope(Envelope r) { |
||
| 838 | Rectangle2D newExtent = null; |
||
| 839 | // Esto comprueba que el extent no es de anchura o altura = "0"
|
||
| 840 | // y si es as? lo redimensiona.
|
||
| 841 | if (r != null) { |
||
| 842 | if ((r.getMaximum(0) - r.getMinimum(0) == 0) |
||
| 843 | || (r.getMaximum(1) - r.getMinimum(1) == 0)) { |
||
| 844 | newExtent = |
||
| 845 | new Rectangle2D.Double(r.getMinimum(0) - 0.1, |
||
| 846 | r.getMinimum(1) - 0.1, |
||
| 847 | r.getMaximum(0) - r.getMinimum(0) + 0.2, |
||
| 848 | r.getMaximum(1) - r.getMinimum(1) + 0.2); |
||
| 849 | } else {
|
||
| 850 | newExtent = |
||
| 851 | new Rectangle2D.Double(r.getMinimum(0), |
||
| 852 | r.getMinimum(1),
|
||
| 853 | Math.abs(r.getMaximum(0) - r.getMinimum(0)), |
||
| 854 | Math.abs(r.getMaximum(1) - r.getMinimum(1))); |
||
| 855 | } |
||
| 856 | } |
||
| 857 | 21200 | vcaballero | |
| 858 | 33613 | fdiaz | if (this.extent != null && this.extent.equals(newExtent)) { |
| 859 | return;
|
||
| 860 | } |
||
| 861 | if (extent != null) { |
||
| 862 | extents.put(extent); |
||
| 863 | } |
||
| 864 | this.updateDrawVersion();
|
||
| 865 | this.extent = newExtent;
|
||
| 866 | 21200 | vcaballero | |
| 867 | 33613 | fdiaz | // Calcula la transformaci?n af?n
|
| 868 | calculateAffineTransform(); |
||
| 869 | 21200 | vcaballero | |
| 870 | 33613 | fdiaz | // Lanzamos los eventos de extent cambiado
|
| 871 | callExtentChanged(getAdjustedExtent()); |
||
| 872 | } |
||
| 873 | 21200 | vcaballero | |
| 874 | 33613 | fdiaz | /**
|
| 875 | * <p>
|
||
| 876 | * Changes the <i>extent</i> and <i>adjusted extent</i> of this view port:<br>
|
||
| 877 | * <ul>
|
||
| 878 | * <li>Executes {@linkplain #calculateAffineTransform()}: getting the new
|
||
| 879 | * scale, adjusted extent, affine transformation between map and screen
|
||
| 880 | * coordinates, the real world coordinates equivalent to 1 pixel, and the
|
||
| 881 | * real world coordinates equivalent to 3 pixels.
|
||
| 882 | * <li>Notifies to all {@link ViewPortListener ViewPortListener} registered
|
||
| 883 | * that the extent has changed.
|
||
| 884 | * </ul>
|
||
| 885 | * </p>
|
||
| 886 | *
|
||
| 887 | * @see #setEnvelope(Envelope)
|
||
| 888 | * @see #calculateAffineTransform()
|
||
| 889 | */
|
||
| 890 | public void refreshExtent() { |
||
| 891 | // this.scale = scale;
|
||
| 892 | 21200 | vcaballero | |
| 893 | 33613 | fdiaz | // Calcula la transformaci?n af?n
|
| 894 | calculateAffineTransform(); |
||
| 895 | 21200 | vcaballero | |
| 896 | 33613 | fdiaz | // Lanzamos los eventos de extent cambiado
|
| 897 | callExtentChanged(getAdjustedExtent()); |
||
| 898 | } |
||
| 899 | 21200 | vcaballero | |
| 900 | 33613 | fdiaz | /**
|
| 901 | * <p>
|
||
| 902 | * Calculates and returns using the current projection of this view port,
|
||
| 903 | * the scale that is the extent in <i>screen coordinates</i> from the image
|
||
| 904 | * in <i>map coordinates</i>.
|
||
| 905 | * </p>
|
||
| 906 | *
|
||
| 907 | * @return the scale <i>extent / image size</i> projected by this view port
|
||
| 908 | *
|
||
| 909 | * @deprecated since 07/09/07, use {@linkplain MapContext#getScaleView()}
|
||
| 910 | */
|
||
| 911 | public double getScale() { |
||
| 912 | return proj.getScale(extent.getMinX(),
|
||
| 913 | extent.getMaxX(), |
||
| 914 | imageSize.width, |
||
| 915 | dpi); |
||
| 916 | } |
||
| 917 | 26225 | jmvivo | |
| 918 | 33613 | fdiaz | /**
|
| 919 | * <p>
|
||
| 920 | * Affine transformation between <i>map 2D coordinates</i> to <i>screen 2D
|
||
| 921 | * coordinates</i> (pixels), preserving the "straightness" and "parallelism"
|
||
| 922 | * of the lines.
|
||
| 923 | * </p>
|
||
| 924 | *
|
||
| 925 | * @return the affine transformation
|
||
| 926 | *
|
||
| 927 | * @see #setAffineTransform(AffineTransform)
|
||
| 928 | * @see #calculateAffineTransform()
|
||
| 929 | */
|
||
| 930 | public AffineTransform getAffineTransform() { |
||
| 931 | return trans;
|
||
| 932 | } |
||
| 933 | 21200 | vcaballero | |
| 934 | 33613 | fdiaz | /**
|
| 935 | * <p>
|
||
| 936 | * Returns the size of the image projected.
|
||
| 937 | * </p>
|
||
| 938 | *
|
||
| 939 | * @return the image size
|
||
| 940 | *
|
||
| 941 | * @see #setImageSize(Dimension)
|
||
| 942 | * @see #getImageHeight()
|
||
| 943 | * @see #getImageWidth()
|
||
| 944 | */
|
||
| 945 | public Dimension getImageSize() { |
||
| 946 | return imageSize;
|
||
| 947 | } |
||
| 948 | 21200 | vcaballero | |
| 949 | 33613 | fdiaz | /**
|
| 950 | * <p>
|
||
| 951 | * Sets the size of the image projected, recalculating the parameters of
|
||
| 952 | * this view port.
|
||
| 953 | * </p>
|
||
| 954 | *
|
||
| 955 | * @param imageSize
|
||
| 956 | * the image size
|
||
| 957 | *
|
||
| 958 | * @see #getImageSize()
|
||
| 959 | * @see #calculateAffineTransform()
|
||
| 960 | */
|
||
| 961 | public void setImageSize(Dimension imageSize) { |
||
| 962 | 21200 | vcaballero | |
| 963 | 33613 | fdiaz | if (this.imageSize == null || (!this.imageSize.equals(imageSize))) { |
| 964 | this.updateDrawVersion();
|
||
| 965 | this.imageSize = imageSize;
|
||
| 966 | calculateAffineTransform(); |
||
| 967 | } |
||
| 968 | } |
||
| 969 | 21200 | vcaballero | |
| 970 | 33613 | fdiaz | /**
|
| 971 | * <p>
|
||
| 972 | * Notifies to all view port listeners registered, that the adjusted extent
|
||
| 973 | * of this view port has changed.
|
||
| 974 | * </p>
|
||
| 975 | *
|
||
| 976 | * @param newRect
|
||
| 977 | * the new adjusted extend
|
||
| 978 | *
|
||
| 979 | * @see #refreshExtent()
|
||
| 980 | * @see #setEnvelope(Envelope)
|
||
| 981 | * @see #setPreviousExtent()
|
||
| 982 | * @see ExtentEvent
|
||
| 983 | * @see ViewPortListener
|
||
| 984 | */
|
||
| 985 | protected void callExtentChanged(Envelope newRect) { |
||
| 986 | ExtentEvent ev = ExtentEvent.createExtentEvent(newRect); |
||
| 987 | 21200 | vcaballero | |
| 988 | 33613 | fdiaz | for (int i = 0; i < listeners.size(); i++) { |
| 989 | ViewPortListener listener = (ViewPortListener) listeners.get(i); |
||
| 990 | listener.extentChanged(ev); |
||
| 991 | } |
||
| 992 | } |
||
| 993 | 21200 | vcaballero | |
| 994 | 33613 | fdiaz | /**
|
| 995 | * <p>
|
||
| 996 | * Notifies to all view port listeners registered, that the background color
|
||
| 997 | * of this view port has changed.
|
||
| 998 | * </p>
|
||
| 999 | *
|
||
| 1000 | * @param c
|
||
| 1001 | * the new background color
|
||
| 1002 | *
|
||
| 1003 | * @see #setBackColor(Color)
|
||
| 1004 | * @see ColorEvent
|
||
| 1005 | * @see ViewPortListener
|
||
| 1006 | */
|
||
| 1007 | private void callColorChanged(Color c) { |
||
| 1008 | ColorEvent ce = ColorEvent.createColorEvent(c); |
||
| 1009 | 21200 | vcaballero | |
| 1010 | 33613 | fdiaz | for (int i = 0; i < listeners.size(); i++) { |
| 1011 | ViewPortListener listener = (ViewPortListener) listeners.get(i); |
||
| 1012 | listener.backColorChanged(ce); |
||
| 1013 | } |
||
| 1014 | } |
||
| 1015 | 21200 | vcaballero | |
| 1016 | 33613 | fdiaz | /**
|
| 1017 | * <p>
|
||
| 1018 | * Notifies to all view port listeners registered, that the projection of
|
||
| 1019 | * this view port has changed.
|
||
| 1020 | * </p>
|
||
| 1021 | *
|
||
| 1022 | * @param projection
|
||
| 1023 | * the new projection
|
||
| 1024 | *
|
||
| 1025 | * @see #setProjection(IProjection)
|
||
| 1026 | * @see ProjectionEvent
|
||
| 1027 | * @see ViewPortListener
|
||
| 1028 | */
|
||
| 1029 | private void callProjectionChanged(IProjection projection) { |
||
| 1030 | ProjectionEvent ev = ProjectionEvent.createProjectionEvent(projection); |
||
| 1031 | 21200 | vcaballero | |
| 1032 | 33613 | fdiaz | for (int i = 0; i < listeners.size(); i++) { |
| 1033 | ViewPortListener listener = (ViewPortListener) listeners.get(i); |
||
| 1034 | listener.projectionChanged(ev); |
||
| 1035 | } |
||
| 1036 | } |
||
| 1037 | 21200 | vcaballero | |
| 1038 | 33613 | fdiaz | /**
|
| 1039 | * <p>
|
||
| 1040 | * Calculates the affine transformation between the {@link #extent extent}
|
||
| 1041 | * in <i>map 2D coordinates</i> to the image area in the screen, in
|
||
| 1042 | * <i>screen 2D coordinates</i> (pixels).
|
||
| 1043 | * </p>
|
||
| 1044 | *
|
||
| 1045 | * <p>
|
||
| 1046 | * This process recalculates some parameters of this view port:<br>
|
||
| 1047 | *
|
||
| 1048 | * <ul>
|
||
| 1049 | * <li>The new {@link #scale scale} .
|
||
| 1050 | * <li>The new {@link #adjustedExtent adjustedExtent} .
|
||
| 1051 | * <li>The new {@link #trans trans} .
|
||
| 1052 | * <li>The new real world coordinates equivalent to 1 pixel (
|
||
| 1053 | * {@link #dist1pixel dist1pixel}) .
|
||
| 1054 | * <li>The new real world coordinates equivalent to 3 pixels (
|
||
| 1055 | * {@link #dist3pixel dist3pixel}) .
|
||
| 1056 | * </ul>
|
||
| 1057 | * </p>
|
||
| 1058 | *
|
||
| 1059 | * @see #getAffineTransform()
|
||
| 1060 | * @see #setAffineTransform(AffineTransform)
|
||
| 1061 | * @see #refreshExtent()
|
||
| 1062 | * @see #setEnvelope(Envelope)
|
||
| 1063 | * @see #setImageSize(Dimension)
|
||
| 1064 | * @see #setPreviousExtent()
|
||
| 1065 | * @see #createFromXML(XMLEntity)
|
||
| 1066 | * @see AffineTransform
|
||
| 1067 | */
|
||
| 1068 | private void calculateAffineTransform() { |
||
| 1069 | if ((imageSize == null) || (extent == null) || (imageSize.width <= 0) |
||
| 1070 | || (imageSize.height <= 0)) {
|
||
| 1071 | return;
|
||
| 1072 | } |
||
| 1073 | 21200 | vcaballero | |
| 1074 | 33613 | fdiaz | AffineTransform escalado = new AffineTransform(); |
| 1075 | AffineTransform translacion = new AffineTransform(); |
||
| 1076 | 21200 | vcaballero | |
| 1077 | 33613 | fdiaz | double escalaX;
|
| 1078 | double escalaY;
|
||
| 1079 | 21200 | vcaballero | |
| 1080 | 33613 | fdiaz | escalaX = imageSize.width / extent.getWidth(); |
| 1081 | escalaY = imageSize.height / extent.getHeight(); |
||
| 1082 | 21200 | vcaballero | |
| 1083 | 33613 | fdiaz | double xCenter = extent.getCenterX();
|
| 1084 | double yCenter = extent.getCenterY();
|
||
| 1085 | double newHeight;
|
||
| 1086 | double newWidth;
|
||
| 1087 | 21200 | vcaballero | |
| 1088 | 33613 | fdiaz | adjustedExtent = new Rectangle2D.Double(); |
| 1089 | 21200 | vcaballero | |
| 1090 | 33613 | fdiaz | if (adjustableExtent) {
|
| 1091 | if (escalaX < escalaY) {
|
||
| 1092 | scale = escalaX; |
||
| 1093 | newHeight = imageSize.height / scale; |
||
| 1094 | adjustedExtent.setRect(xCenter - (extent.getWidth() / 2.0),
|
||
| 1095 | yCenter - (newHeight / 2.0),
|
||
| 1096 | extent.getWidth(), |
||
| 1097 | newHeight); |
||
| 1098 | } else {
|
||
| 1099 | scale = escalaY; |
||
| 1100 | newWidth = imageSize.width / scale; |
||
| 1101 | adjustedExtent.setRect(xCenter - (newWidth / 2.0), yCenter
|
||
| 1102 | - (extent.getHeight() / 2.0), newWidth, extent.getHeight());
|
||
| 1103 | } |
||
| 1104 | escalado.setToScale(scale, -scale); |
||
| 1105 | } else { // adjusted is same as extent |
||
| 1106 | scale = escalaX; |
||
| 1107 | adjustedExtent.setFrame(extent); |
||
| 1108 | escalado.setToScale(escalaX, -escalaY); |
||
| 1109 | } |
||
| 1110 | Envelope env = getAdjustedExtent(); |
||
| 1111 | if (env == null) { |
||
| 1112 | return;
|
||
| 1113 | } |
||
| 1114 | translacion.setToTranslation(-env.getMinimum(0), -env.getMinimum(1) |
||
| 1115 | - getAdjustedExtent().getLength(1));
|
||
| 1116 | 21200 | vcaballero | |
| 1117 | 33613 | fdiaz | AffineTransform offsetTrans = new AffineTransform(); |
| 1118 | offsetTrans.setToTranslation(offset.getX(), offset.getY()); |
||
| 1119 | 21200 | vcaballero | |
| 1120 | 33613 | fdiaz | trans.setToIdentity(); |
| 1121 | trans.concatenate(offsetTrans); |
||
| 1122 | trans.concatenate(escalado); |
||
| 1123 | 21200 | vcaballero | |
| 1124 | 33613 | fdiaz | trans.concatenate(translacion); |
| 1125 | 21200 | vcaballero | |
| 1126 | 33613 | fdiaz | // Calculamos las distancias de 1 pixel y 3 pixel con esa
|
| 1127 | // transformaci?n
|
||
| 1128 | // de coordenadas, de forma que est?n precalculadas para cuando las
|
||
| 1129 | // necesitemos
|
||
| 1130 | AffineTransform at;
|
||
| 1131 | 21200 | vcaballero | |
| 1132 | 33613 | fdiaz | try {
|
| 1133 | at = trans.createInverse(); |
||
| 1134 | 21200 | vcaballero | |
| 1135 | 33613 | fdiaz | Point2D pPixel = new Point2D.Float(1, 1); |
| 1136 | 21200 | vcaballero | |
| 1137 | 33613 | fdiaz | Point2D.Float pProv = new Point2D.Float(); |
| 1138 | at.deltaTransform(pPixel, pProv); |
||
| 1139 | 21200 | vcaballero | |
| 1140 | 33613 | fdiaz | dist1pixel = pProv.x; |
| 1141 | dist3pixel = 3 * pProv.x;
|
||
| 1142 | } catch (NoninvertibleTransformException e) { |
||
| 1143 | System.err.println("transformada afin = " + trans.toString()); |
||
| 1144 | System.err.println("extent = " + extent.toString() + " imageSize= " |
||
| 1145 | + imageSize.toString()); |
||
| 1146 | throw new RuntimeException("Non invertible transform Exception", e); |
||
| 1147 | } |
||
| 1148 | } |
||
| 1149 | 21200 | vcaballero | |
| 1150 | 33613 | fdiaz | /**
|
| 1151 | * <p>
|
||
| 1152 | * Sets the offset.
|
||
| 1153 | * </p>
|
||
| 1154 | * <p>
|
||
| 1155 | * The offset is the position where start drawing the map.
|
||
| 1156 | * </p>
|
||
| 1157 | *
|
||
| 1158 | * @param p
|
||
| 1159 | * 2D point that represents the offset in pixels
|
||
| 1160 | *
|
||
| 1161 | * @see #getOffset()
|
||
| 1162 | */
|
||
| 1163 | public void setOffset(Point2D p) { |
||
| 1164 | if (!offset.equals(p)) {
|
||
| 1165 | this.updateDrawVersion();
|
||
| 1166 | offset = p; |
||
| 1167 | } |
||
| 1168 | } |
||
| 1169 | 29519 | jtorres | |
| 1170 | 33613 | fdiaz | /**
|
| 1171 | * <p>
|
||
| 1172 | * Gets the offset.
|
||
| 1173 | * </p>
|
||
| 1174 | * <p>
|
||
| 1175 | * The offset is the position where start drawing the map.
|
||
| 1176 | * </p>
|
||
| 1177 | *
|
||
| 1178 | * @return 2D point that represents the offset in pixels
|
||
| 1179 | *
|
||
| 1180 | * @see #setOffset(Point2D)
|
||
| 1181 | */
|
||
| 1182 | public Point2D getOffset() { |
||
| 1183 | return offset;
|
||
| 1184 | } |
||
| 1185 | 21200 | vcaballero | |
| 1186 | 33613 | fdiaz | /**
|
| 1187 | * <p>
|
||
| 1188 | * Sets the background color.
|
||
| 1189 | * </p>
|
||
| 1190 | *
|
||
| 1191 | * @param c
|
||
| 1192 | * the new background color
|
||
| 1193 | *
|
||
| 1194 | * @see #getBackColor()
|
||
| 1195 | */
|
||
| 1196 | public void setBackColor(Color c) { |
||
| 1197 | if (!c.equals(this.backColor)) { |
||
| 1198 | this.updateDrawVersion();
|
||
| 1199 | backColor = c; |
||
| 1200 | callColorChanged(backColor); |
||
| 1201 | } |
||
| 1202 | } |
||
| 1203 | 29519 | jtorres | |
| 1204 | 33613 | fdiaz | /**
|
| 1205 | * <p>
|
||
| 1206 | * Gets the background color.
|
||
| 1207 | * </p>
|
||
| 1208 | *
|
||
| 1209 | * @return the background color of the view
|
||
| 1210 | *
|
||
| 1211 | * @see #setBackColor(Color)
|
||
| 1212 | */
|
||
| 1213 | public Color getBackColor() { |
||
| 1214 | return backColor;
|
||
| 1215 | } |
||
| 1216 | 29519 | jtorres | |
| 1217 | 33613 | fdiaz | /**
|
| 1218 | * <p>
|
||
| 1219 | * Returns the extent currently covered by the view adjusted (scaled) to the
|
||
| 1220 | * image size aspect.
|
||
| 1221 | * </p>
|
||
| 1222 | *
|
||
| 1223 | * @return extent of the view adjusted to the image size aspect
|
||
| 1224 | *
|
||
| 1225 | * @see #setAdjustable(boolean)
|
||
| 1226 | * @deprecated use {@link ViewPort#getAdjustedEnvelope()} instead
|
||
| 1227 | */
|
||
| 1228 | public Envelope getAdjustedExtent() {
|
||
| 1229 | return getAdjustedEnvelope();
|
||
| 1230 | } |
||
| 1231 | 29519 | jtorres | |
| 1232 | 33613 | fdiaz | /**
|
| 1233 | * <p>
|
||
| 1234 | * Returns the envelope currently covered by the view adjusted (scaled) to
|
||
| 1235 | * the image size aspect.
|
||
| 1236 | * </p>
|
||
| 1237 | *
|
||
| 1238 | * @return envelope of the view adjusted to the image size aspect
|
||
| 1239 | *
|
||
| 1240 | * @see #setAdjustable(boolean)
|
||
| 1241 | */
|
||
| 1242 | public Envelope getAdjustedEnvelope() {
|
||
| 1243 | if (cliprect != null) { |
||
| 1244 | Rectangle2D r = adjustedExtent.createIntersection(cliprect);
|
||
| 1245 | try {
|
||
| 1246 | return geomManager.createEnvelope(r.getX(),
|
||
| 1247 | r.getY(), |
||
| 1248 | r.getMaxX(), |
||
| 1249 | r.getMaxY(), |
||
| 1250 | SUBTYPES.GEOM2D); |
||
| 1251 | } catch (CreateEnvelopeException e) {
|
||
| 1252 | e.printStackTrace(); |
||
| 1253 | logger.error("Error adjusting the extent", e);
|
||
| 1254 | } |
||
| 1255 | } |
||
| 1256 | if (adjustedExtent != null) { |
||
| 1257 | try {
|
||
| 1258 | return geomManager.createEnvelope(adjustedExtent.getX(),
|
||
| 1259 | adjustedExtent.getY(), |
||
| 1260 | adjustedExtent.getMaxX(), |
||
| 1261 | adjustedExtent.getMaxY(), |
||
| 1262 | SUBTYPES.GEOM2D); |
||
| 1263 | } catch (CreateEnvelopeException e) {
|
||
| 1264 | e.printStackTrace(); |
||
| 1265 | logger.error("Error adjusting the extent", e);
|
||
| 1266 | } |
||
| 1267 | } |
||
| 1268 | return null; |
||
| 1269 | } |
||
| 1270 | 29519 | jtorres | |
| 1271 | 33613 | fdiaz | /**
|
| 1272 | * <p>
|
||
| 1273 | * Returns the measurement unit of this view port used for measuring
|
||
| 1274 | * distances and displaying information.
|
||
| 1275 | * </p>
|
||
| 1276 | *
|
||
| 1277 | * @return the measurement unit of this view used for measuring distances
|
||
| 1278 | * and displaying information
|
||
| 1279 | *
|
||
| 1280 | * @see #setDistanceUnits(int)
|
||
| 1281 | */
|
||
| 1282 | public int getDistanceUnits() { |
||
| 1283 | return distanceUnits;
|
||
| 1284 | } |
||
| 1285 | 21200 | vcaballero | |
| 1286 | 33613 | fdiaz | /**
|
| 1287 | * <p>
|
||
| 1288 | * Returns the measurement unit of this view port used for measuring areas
|
||
| 1289 | * and displaying information.
|
||
| 1290 | * </p>
|
||
| 1291 | *
|
||
| 1292 | * @return the measurement unit of this view used for measuring areas and
|
||
| 1293 | * displaying information
|
||
| 1294 | *
|
||
| 1295 | * @see #setDistanceUnits(int)
|
||
| 1296 | */
|
||
| 1297 | public int getDistanceArea() { |
||
| 1298 | return distanceArea;
|
||
| 1299 | } |
||
| 1300 | 21200 | vcaballero | |
| 1301 | 33613 | fdiaz | /**
|
| 1302 | * <p>
|
||
| 1303 | * Sets the measurement unit of this view port used for measuring distances
|
||
| 1304 | * and displaying information.
|
||
| 1305 | * </p>
|
||
| 1306 | *
|
||
| 1307 | * @param distanceUnits
|
||
| 1308 | * the measurement unit of this view used for measuring distances
|
||
| 1309 | * and displaying information
|
||
| 1310 | *
|
||
| 1311 | * @see #getDistanceUnits()
|
||
| 1312 | */
|
||
| 1313 | public void setDistanceUnits(int distanceUnits) { |
||
| 1314 | this.distanceUnits = distanceUnits;
|
||
| 1315 | } |
||
| 1316 | 21200 | vcaballero | |
| 1317 | 33613 | fdiaz | /**
|
| 1318 | * <p>
|
||
| 1319 | * Sets the measurement unit of this view port used for measuring areas and
|
||
| 1320 | * displaying information.
|
||
| 1321 | * </p>
|
||
| 1322 | *
|
||
| 1323 | * @param distanceUnits
|
||
| 1324 | * the measurement unit of this view used for measuring areas and
|
||
| 1325 | * displaying information
|
||
| 1326 | *
|
||
| 1327 | * @see #getDistanceUnits()
|
||
| 1328 | */
|
||
| 1329 | public void setDistanceArea(int distanceArea) { |
||
| 1330 | this.distanceArea = distanceArea;
|
||
| 1331 | } |
||
| 1332 | 21200 | vcaballero | |
| 1333 | 33613 | fdiaz | /**
|
| 1334 | * <p>
|
||
| 1335 | * Gets the measurement unit used by this view port for the map.
|
||
| 1336 | * </p>
|
||
| 1337 | *
|
||
| 1338 | * @return Returns the current map measure unit
|
||
| 1339 | *
|
||
| 1340 | * @see #setMapUnits(int)
|
||
| 1341 | */
|
||
| 1342 | public int getMapUnits() { |
||
| 1343 | return mapUnits;
|
||
| 1344 | } |
||
| 1345 | 21200 | vcaballero | |
| 1346 | 33613 | fdiaz | /**
|
| 1347 | * <p>
|
||
| 1348 | * Sets the measurement unit used by this view port for the map.
|
||
| 1349 | * </p>
|
||
| 1350 | *
|
||
| 1351 | * @param mapUnits
|
||
| 1352 | * the new map measure unit
|
||
| 1353 | *
|
||
| 1354 | * @see #getMapUnits()
|
||
| 1355 | */
|
||
| 1356 | public void setMapUnits(int mapUnits) { |
||
| 1357 | this.mapUnits = mapUnits;
|
||
| 1358 | } |
||
| 1359 | 21200 | vcaballero | |
| 1360 | 33613 | fdiaz | /**
|
| 1361 | * <p>
|
||
| 1362 | * Gets the width in <i>screen coordinates</i> of the rectangle where the
|
||
| 1363 | * image is displayed.
|
||
| 1364 | * </p>
|
||
| 1365 | * <p>
|
||
| 1366 | * Used by {@linkplain #calculateAffineTransform()} to calculate:<br>
|
||
| 1367 | *
|
||
| 1368 | * <ul>
|
||
| 1369 | * <li>The new {@link #scale scale} .
|
||
| 1370 | * <li>The new {@link #adjustedExtent adjustableExtent} .
|
||
| 1371 | * <li>The new {@link #trans trans} .
|
||
| 1372 | * <li>The new real world coordinates equivalent to 1 pixel (
|
||
| 1373 | * {@link #dist1pixel dist1pixel}) .
|
||
| 1374 | * <li>The new real world coordinates equivalent to 3 pixels (
|
||
| 1375 | * {@link #dist3pixel dist3pixel}) .
|
||
| 1376 | * </ul>
|
||
| 1377 | * </p>
|
||
| 1378 | *
|
||
| 1379 | * @see #getImageHeight()
|
||
| 1380 | * @see #getImageSize()
|
||
| 1381 | * @see #setImageSize(Dimension)
|
||
| 1382 | */
|
||
| 1383 | public int getImageWidth() { |
||
| 1384 | return imageSize.width;
|
||
| 1385 | } |
||
| 1386 | 21200 | vcaballero | |
| 1387 | 33613 | fdiaz | /**
|
| 1388 | * <p>
|
||
| 1389 | * Gets the height in <i>screen coordinates</i> of the rectangle where the
|
||
| 1390 | * image is displayed.
|
||
| 1391 | * </p>
|
||
| 1392 | * <p>
|
||
| 1393 | * Used by {@linkplain #calculateAffineTransform()} to calculate:<br>
|
||
| 1394 | *
|
||
| 1395 | * <ul>
|
||
| 1396 | * <li>The new {@link #scale scale} .
|
||
| 1397 | * <li>The new {@link #adjustedExtent adjustableExtent} .
|
||
| 1398 | * <li>The new {@link #trans trans} .
|
||
| 1399 | * <li>The new real world coordinates equivalent to 1 pixel (
|
||
| 1400 | * {@link #dist1pixel dist1pixel}) .
|
||
| 1401 | * <li>The new real world coordinates equivalent to 3 pixels (
|
||
| 1402 | * {@link #dist3pixel dist3pixel}) .
|
||
| 1403 | * </ul>
|
||
| 1404 | * </p>
|
||
| 1405 | *
|
||
| 1406 | * @see #getImageWidth()
|
||
| 1407 | * @see #getImageSize()
|
||
| 1408 | * @see #setImageSize(Dimension)
|
||
| 1409 | */
|
||
| 1410 | public int getImageHeight() { |
||
| 1411 | return imageSize.height;
|
||
| 1412 | } |
||
| 1413 | 21200 | vcaballero | |
| 1414 | 33613 | fdiaz | /**
|
| 1415 | * <p>
|
||
| 1416 | * Gets the distance in <i>world coordinates</i> equivalent to 1 pixel in
|
||
| 1417 | * the view with the current extent.
|
||
| 1418 | * </p>
|
||
| 1419 | *
|
||
| 1420 | * @return the distance
|
||
| 1421 | *
|
||
| 1422 | * @see #setDist1pixel(double)
|
||
| 1423 | */
|
||
| 1424 | public double getDist1pixel() { |
||
| 1425 | return dist1pixel;
|
||
| 1426 | } |
||
| 1427 | 29519 | jtorres | |
| 1428 | 33613 | fdiaz | /**
|
| 1429 | * <p>
|
||
| 1430 | * Sets the distance in <i>world coordinates</i> equivalent to 1 pixel in
|
||
| 1431 | * the view with the current extent.
|
||
| 1432 | * </p>
|
||
| 1433 | *
|
||
| 1434 | * @param dist1pixel
|
||
| 1435 | * the distance
|
||
| 1436 | *
|
||
| 1437 | * @see #getDist1pixel()
|
||
| 1438 | */
|
||
| 1439 | public void setDist1pixel(double dist1pixel) { |
||
| 1440 | if (dist1pixel == this.dist1pixel) { |
||
| 1441 | return;
|
||
| 1442 | } |
||
| 1443 | this.updateDrawVersion();
|
||
| 1444 | this.dist1pixel = dist1pixel;
|
||
| 1445 | } |
||
| 1446 | 21200 | vcaballero | |
| 1447 | 33613 | fdiaz | /**
|
| 1448 | * <p>
|
||
| 1449 | * Gets the distance in <i>world coordinates</i> equivalent to 3 pixels in
|
||
| 1450 | * the view with the current extent.
|
||
| 1451 | * </p>
|
||
| 1452 | *
|
||
| 1453 | * @return the distance
|
||
| 1454 | *
|
||
| 1455 | * @see #setDist3pixel(double)
|
||
| 1456 | */
|
||
| 1457 | public double getDist3pixel() { |
||
| 1458 | return dist3pixel;
|
||
| 1459 | } |
||
| 1460 | 21200 | vcaballero | |
| 1461 | 33613 | fdiaz | /**
|
| 1462 | * <p>
|
||
| 1463 | * Sets the distance in <i>world coordinates</i> equivalent to 3 pixels in
|
||
| 1464 | * the view with the current extent.
|
||
| 1465 | * </p>
|
||
| 1466 | *
|
||
| 1467 | * @param dist3pixel
|
||
| 1468 | * the distance
|
||
| 1469 | *
|
||
| 1470 | * @see #getDist3pixel()
|
||
| 1471 | */
|
||
| 1472 | public void setDist3pixel(double dist3pixel) { |
||
| 1473 | if (this.dist3pixel == dist3pixel) { |
||
| 1474 | return;
|
||
| 1475 | } |
||
| 1476 | this.updateDrawVersion();
|
||
| 1477 | this.dist3pixel = dist3pixel;
|
||
| 1478 | } |
||
| 1479 | 21200 | vcaballero | |
| 1480 | 33613 | fdiaz | /**
|
| 1481 | * <p>
|
||
| 1482 | * Returns the last previous extents of this view port.
|
||
| 1483 | * </p>
|
||
| 1484 | *
|
||
| 1485 | * @return the last previous extents of this view port
|
||
| 1486 | *
|
||
| 1487 | * @see #setPreviousExtent()
|
||
| 1488 | * @deprecated use {@link ViewPort#getEnvelopes()}
|
||
| 1489 | */
|
||
| 1490 | public ExtentHistory getExtents() {
|
||
| 1491 | return getEnvelopes();
|
||
| 1492 | } |
||
| 1493 | 21200 | vcaballero | |
| 1494 | 33613 | fdiaz | /**
|
| 1495 | * <p>
|
||
| 1496 | * Returns the last previous extents of this view port.
|
||
| 1497 | * </p>
|
||
| 1498 | *
|
||
| 1499 | * @return the last previous extents of this view port
|
||
| 1500 | *
|
||
| 1501 | * @see #setPreviousExtent()
|
||
| 1502 | */
|
||
| 1503 | public ExtentHistory getEnvelopes() {
|
||
| 1504 | return extents;
|
||
| 1505 | } |
||
| 1506 | 21200 | vcaballero | |
| 1507 | 33613 | fdiaz | /**
|
| 1508 | * <p>
|
||
| 1509 | * Gets the projection used in this view port.
|
||
| 1510 | * </p>
|
||
| 1511 | *
|
||
| 1512 | * @return projection used in this view port
|
||
| 1513 | *
|
||
| 1514 | * @see #setProjection(IProjection)
|
||
| 1515 | */
|
||
| 1516 | public IProjection getProjection() {
|
||
| 1517 | return proj;
|
||
| 1518 | } |
||
| 1519 | 21200 | vcaballero | |
| 1520 | 33613 | fdiaz | /**
|
| 1521 | * <p>
|
||
| 1522 | * Sets the projection to this view port.
|
||
| 1523 | * </p>
|
||
| 1524 | *
|
||
| 1525 | * @param proj
|
||
| 1526 | * the new projection
|
||
| 1527 | *
|
||
| 1528 | * @see #getProjection()
|
||
| 1529 | */
|
||
| 1530 | public void setProjection(IProjection proj) { |
||
| 1531 | if (this.proj == null || !this.proj.getAbrev().equals(proj.getAbrev())) { |
||
| 1532 | this.updateDrawVersion();
|
||
| 1533 | this.proj = proj;
|
||
| 1534 | callProjectionChanged(proj); |
||
| 1535 | } |
||
| 1536 | } |
||
| 1537 | 21200 | vcaballero | |
| 1538 | 33613 | fdiaz | // -----------------------------------------------------------------------------------------------------------
|
| 1539 | // NOTA PARA DESARROLLADORES SOBRE EL M?TODO
|
||
| 1540 | // "public void setAffineTransform(AffineTransform at)"
|
||
| 1541 | // ==============================================================================================
|
||
| 1542 | // Only used for print, should be removed, redefining the {@link
|
||
| 1543 | // RasterAdapter RasterAdapter} interface,
|
||
| 1544 | // allowing it to receive a {@link ViewPortData ViewPortData} .
|
||
| 1545 | // -----------------------------------------------------------------------------------------------------------
|
||
| 1546 | 21200 | vcaballero | |
| 1547 | 33613 | fdiaz | /**
|
| 1548 | * <p>
|
||
| 1549 | * Sets only the affine transform to this view port, without updating
|
||
| 1550 | * dependent attributes.
|
||
| 1551 | * </p>
|
||
| 1552 | * <p>
|
||
| 1553 | * <b><i>This method could be problematic!</i></b>
|
||
| 1554 | * </p>
|
||
| 1555 | *
|
||
| 1556 | * @param at
|
||
| 1557 | * the affine transform to set
|
||
| 1558 | *
|
||
| 1559 | * @see #getAffineTransform()
|
||
| 1560 | * @see #calculateAffineTransform()
|
||
| 1561 | */
|
||
| 1562 | public void setAffineTransform(AffineTransform at) { |
||
| 1563 | this.trans = at;
|
||
| 1564 | } |
||
| 1565 | 31681 | jldominguez | |
| 1566 | 33613 | fdiaz | /**
|
| 1567 | * <p>
|
||
| 1568 | * Returns an XML entity that represents this view port instance:<br>
|
||
| 1569 | * <ul>
|
||
| 1570 | * <li>Properties:
|
||
| 1571 | * <ul>
|
||
| 1572 | * <li><i>className</i>: name of this class.
|
||
| 1573 | * <li>If defined, the adjusted extent:
|
||
| 1574 | * <ul>
|
||
| 1575 | * <li><i>adjustedExtentX</i>: X coordinate of the adjusted extent.
|
||
| 1576 | * <li><i>adjustedExtentY</i>: Y coordinate of the adjusted extent.
|
||
| 1577 | * <li><i>adjustedExtentW</i>: width of the adjusted extent.
|
||
| 1578 | * <li><i>adjustedExtentH</i>: height of the adjusted extent.
|
||
| 1579 | * </ul>
|
||
| 1580 | * <li>If defined, the background color:
|
||
| 1581 | * <ul>
|
||
| 1582 | * <li><i>backColor</i>: background color.
|
||
| 1583 | * </ul>
|
||
| 1584 | * <li>If defined, the clip:
|
||
| 1585 | * <ul>
|
||
| 1586 | * <li><i>clipX</i>: X coordinate of the clip.
|
||
| 1587 | * <li><i>clipY</i>: Y coordinate of clip.
|
||
| 1588 | * <li><i>clipW</i>: width of the clip.
|
||
| 1589 | * <li><i>clipH</i>: height of the clip.
|
||
| 1590 | * </ul>
|
||
| 1591 | * <li><i>dist1pixel</i>: the distance in world coordinates equivalent to 1
|
||
| 1592 | * pixel in the view.
|
||
| 1593 | * <li><i>dist3pixel</i>: the distance in world coordinates equivalent to 3
|
||
| 1594 | * pixels in the view.
|
||
| 1595 | * <li><i>distanceUnits</i>: the distance measurement unit.
|
||
| 1596 | * <li>If defined, the extent:
|
||
| 1597 | * <ul>
|
||
| 1598 | * <li><i>extentX</i>: X coordinate of the extent.
|
||
| 1599 | * <li><i>extentY</i>: Y coordinate of the extent.
|
||
| 1600 | * <li><i>extentW</i>: width of the extent.
|
||
| 1601 | * <li><i>extentH</i>: height of the extent.
|
||
| 1602 | * </ul>
|
||
| 1603 | * <li><i>mapUnits</i>: the map measurement unit.
|
||
| 1604 | * <li><i>offsetX</i>: X coordinate of the offset.
|
||
| 1605 | * <li><i>offsetY</i>: Y coordinate of the offset.
|
||
| 1606 | * <li>If defined, the projection:
|
||
| 1607 | * <ul>
|
||
| 1608 | * <li>If its defined, the projection:
|
||
| 1609 | * <ul>
|
||
| 1610 | * <li><i>proj</i>: the projection.</li>
|
||
| 1611 | * </ul>
|
||
| 1612 | * </ul>
|
||
| 1613 | * <li><i>scale</i>: ratio between the size of <code>imageSize</code> and
|
||
| 1614 | * <code>extent</code>.
|
||
| 1615 | * </ul>
|
||
| 1616 | * <li>Child branches:
|
||
| 1617 | * <ul>
|
||
| 1618 | * <li>XML entity of the internal {@link ExtentHistory ExtentHistory} .
|
||
| 1619 | * </ul>
|
||
| 1620 | * </ul>
|
||
| 1621 | *
|
||
| 1622 | * @return the XML entity
|
||
| 1623 | *
|
||
| 1624 | * @see #createFromXML(XMLEntity)
|
||
| 1625 | */
|
||
| 1626 | public void saveToState(PersistentState state) throws PersistenceException { |
||
| 1627 | 31681 | jldominguez | |
| 1628 | 33613 | fdiaz | state.set(FIELD_ADJUSTED_EXTENT, adjustedExtent); |
| 1629 | state.set(FIELD_BACK_COLOR, backColor); |
||
| 1630 | state.set(FIELD_CLIP, cliprect); |
||
| 1631 | state.set(FIELD_DIST1PIXEL, dist1pixel); |
||
| 1632 | state.set(FIELD_DIST3PIXEL, dist3pixel); |
||
| 1633 | state.set(FIELD_DISTANCE_UNITS, distanceUnits); |
||
| 1634 | state.set(FIELD_DISTANCE_AREA, distanceArea); |
||
| 1635 | |||
| 1636 | state.set(FIELD_EXTENT, extent); |
||
| 1637 | state.set(FIELD_EXTENTS, extents); |
||
| 1638 | |||
| 1639 | state.set(FIELD_MAP_UNITS, mapUnits); |
||
| 1640 | state.set(FIELD_OFFSET, offset); |
||
| 1641 | |||
| 1642 | state.set(FIELD_PROJ, proj); |
||
| 1643 | |||
| 1644 | state.set(FIELD_IMAGE_SIZE, imageSize); |
||
| 1645 | } |
||
| 1646 | |||
| 1647 | public void loadFromState(PersistentState state) throws PersistenceException { |
||
| 1648 | |||
| 1649 | adjustedExtent = (Rectangle2D) state.get(FIELD_ADJUSTED_EXTENT);
|
||
| 1650 | backColor = (Color) state.get(FIELD_BACK_COLOR);
|
||
| 1651 | cliprect = (Rectangle2D) state.get(FIELD_CLIP);
|
||
| 1652 | dist1pixel = state.getDouble(FIELD_DIST1PIXEL); |
||
| 1653 | dist3pixel = state.getDouble(FIELD_DIST3PIXEL); |
||
| 1654 | distanceUnits = state.getInt(FIELD_DISTANCE_UNITS); |
||
| 1655 | extents = (ExtentHistory) state.get(FIELD_EXTENTS); |
||
| 1656 | extent = (Rectangle2D) state.get(FIELD_EXTENT);
|
||
| 1657 | mapUnits = state.getInt(FIELD_MAP_UNITS); |
||
| 1658 | offset = (Point2D) state.get(FIELD_OFFSET);
|
||
| 1659 | proj = (IProjection) state.get(FIELD_PROJ); |
||
| 1660 | imageSize = (Dimension) state.get(FIELD_IMAGE_SIZE);
|
||
| 1661 | distanceArea = state.getInt(FIELD_DISTANCE_AREA); |
||
| 1662 | |||
| 1663 | refreshExtent(); |
||
| 1664 | } |
||
| 1665 | |||
| 1666 | 33652 | jjdelcerro | public static class RegisterPersistence implements Callable { |
| 1667 | |||
| 1668 | public Object call() throws Exception { |
||
| 1669 | PersistenceManager manager = ToolsLocator.getPersistenceManager(); |
||
| 1670 | if( manager.getDefinition("ViewPort")==null ) { |
||
| 1671 | DynStruct definition = |
||
| 1672 | manager.addDefinition(ViewPort.class, |
||
| 1673 | "ViewPort",
|
||
| 1674 | "ViewPort Persistence definition",
|
||
| 1675 | null,
|
||
| 1676 | null);
|
||
| 1677 | |||
| 1678 | definition.addDynFieldObject(FIELD_ADJUSTED_EXTENT) |
||
| 1679 | .setClassOfValue(Rectangle2D.class)
|
||
| 1680 | .setMandatory(false);
|
||
| 1681 | |||
| 1682 | definition.addDynFieldObject(FIELD_BACK_COLOR) |
||
| 1683 | .setClassOfValue(Color.class)
|
||
| 1684 | .setMandatory(false);
|
||
| 1685 | |||
| 1686 | definition.addDynFieldObject(FIELD_CLIP) |
||
| 1687 | .setClassOfValue(Rectangle2D.class)
|
||
| 1688 | .setMandatory(false);
|
||
| 1689 | |||
| 1690 | definition.addDynFieldDouble(FIELD_DIST1PIXEL).setMandatory(true);
|
||
| 1691 | |||
| 1692 | definition.addDynFieldDouble(FIELD_DIST3PIXEL).setMandatory(true);
|
||
| 1693 | |||
| 1694 | definition.addDynFieldInt(FIELD_DISTANCE_UNITS).setMandatory(true);
|
||
| 1695 | |||
| 1696 | definition.addDynFieldInt(FIELD_DISTANCE_AREA).setMandatory(false);
|
||
| 1697 | |||
| 1698 | definition.addDynFieldObject(FIELD_EXTENT) |
||
| 1699 | .setClassOfValue(Rectangle2D.class)
|
||
| 1700 | .setMandatory(false);
|
||
| 1701 | |||
| 1702 | definition.addDynFieldObject(FIELD_EXTENTS) |
||
| 1703 | .setClassOfValue(ExtentHistory.class) |
||
| 1704 | .setMandatory(true);
|
||
| 1705 | |||
| 1706 | definition.addDynFieldInt(FIELD_MAP_UNITS).setMandatory(true);
|
||
| 1707 | |||
| 1708 | definition.addDynFieldObject(FIELD_OFFSET) |
||
| 1709 | .setClassOfValue(Point2D.class)
|
||
| 1710 | .setMandatory(false);
|
||
| 1711 | |||
| 1712 | definition.addDynFieldObject(FIELD_PROJ) |
||
| 1713 | .setClassOfValue(IProjection.class) |
||
| 1714 | .setMandatory(true);
|
||
| 1715 | |||
| 1716 | definition.addDynFieldObject(FIELD_IMAGE_SIZE) |
||
| 1717 | .setClassOfValue(Dimension.class)
|
||
| 1718 | .setMandatory(false);
|
||
| 1719 | } |
||
| 1720 | return Boolean.TRUE; |
||
| 1721 | } |
||
| 1722 | |||
| 1723 | } |
||
| 1724 | |||
| 1725 | /**
|
||
| 1726 | 33613 | fdiaz | * Clone the view port without clone the listeners nor the extent history.
|
| 1727 | *
|
||
| 1728 | * @return the cloned view port
|
||
| 1729 | */
|
||
| 1730 | public Object clone() throws CloneNotSupportedException { |
||
| 1731 | |||
| 1732 | ViewPort clonedViewPort = (ViewPort) super.clone();
|
||
| 1733 | clonedViewPort.listeners = new ArrayList(); |
||
| 1734 | clonedViewPort.extents = new ExtentHistory();
|
||
| 1735 | |||
| 1736 | if (this.adjustedExtent!=null){ |
||
| 1737 | clonedViewPort.adjustedExtent = |
||
| 1738 | (Rectangle2D) this.adjustedExtent.clone(); |
||
| 1739 | } |
||
| 1740 | |||
| 1741 | if (this.cliprect!=null){ |
||
| 1742 | clonedViewPort.cliprect = (Rectangle2D) this.cliprect.clone(); |
||
| 1743 | } |
||
| 1744 | 31681 | jldominguez | |
| 1745 | 33613 | fdiaz | if (this.extent!=null) { |
| 1746 | clonedViewPort.extent = (Rectangle2D) this.extent.clone(); |
||
| 1747 | } |
||
| 1748 | if (this.imageSize!=null){ |
||
| 1749 | clonedViewPort.imageSize = (Dimension) this.imageSize.clone(); |
||
| 1750 | } |
||
| 1751 | 31681 | jldominguez | |
| 1752 | 33613 | fdiaz | if (this.offset!=null){ |
| 1753 | clonedViewPort.offset = (Point2D) this.offset.clone(); |
||
| 1754 | } |
||
| 1755 | if (proj!=null){ |
||
| 1756 | clonedViewPort.proj = (IProjection) this.proj.clone();
|
||
| 1757 | } |
||
| 1758 | 31681 | jldominguez | |
| 1759 | 33613 | fdiaz | clonedViewPort.trans = (AffineTransform) this.trans.clone(); |
| 1760 | 31681 | jldominguez | |
| 1761 | 33613 | fdiaz | return clonedViewPort;
|
| 1762 | } |
||
| 1763 | 30173 | jldominguez | |
| 1764 | 33613 | fdiaz | /**
|
| 1765 | * <p>
|
||
| 1766 | * Returns a <code>String</code> representation of the main values of this
|
||
| 1767 | * view port: <code>{@linkplain #extent}</code>,
|
||
| 1768 | * <code>{@linkplain #adjustedExtent}</code>,
|
||
| 1769 | * <code>{@linkplain #imageSize}</code>, <code>{@linkplain #scale}</code>,
|
||
| 1770 | * and <code>{@linkplain #trans}</code>.
|
||
| 1771 | * </p>
|
||
| 1772 | *
|
||
| 1773 | * @return a <code>string</code> representation of the main values of this
|
||
| 1774 | * view port
|
||
| 1775 | */
|
||
| 1776 | public String toString() { |
||
| 1777 | 21200 | vcaballero | |
| 1778 | 33613 | fdiaz | String str;
|
| 1779 | str = |
||
| 1780 | "Datos del viewPort:\nExtent=" + extent + "\nadjustedExtent=" |
||
| 1781 | + adjustedExtent + "\nimageSize=" + imageSize + "\nescale=" |
||
| 1782 | + scale + "\ntrans=" + trans;
|
||
| 1783 | 21200 | vcaballero | |
| 1784 | 33613 | fdiaz | return str;
|
| 1785 | } |
||
| 1786 | 21200 | vcaballero | |
| 1787 | 33613 | fdiaz | /**
|
| 1788 | * <p>
|
||
| 1789 | * Sets the position and size of the clipping rectangle.
|
||
| 1790 | * </p>
|
||
| 1791 | *
|
||
| 1792 | * @param rectView
|
||
| 1793 | * the clipping rectangle to set
|
||
| 1794 | */
|
||
| 1795 | public void setClipRect(Rectangle2D rectView) { |
||
| 1796 | this.updateDrawVersion();
|
||
| 1797 | cliprect = rectView; |
||
| 1798 | } |
||
| 1799 | 21200 | vcaballero | |
| 1800 | 33613 | fdiaz | /**
|
| 1801 | * <p>
|
||
| 1802 | * Converts and returns the {@link Rectangle2D Rectangle2D}, that is in
|
||
| 1803 | * <i>map coordinates</i> to <i>screen coordinates</i> (pixels) using an
|
||
| 1804 | * <i>inverse transform</i> with the transformation affine information in
|
||
| 1805 | * the {@link #trans #trans} attribute.
|
||
| 1806 | * </p>
|
||
| 1807 | *
|
||
| 1808 | * @param r
|
||
| 1809 | * the 2D rectangle in <i>map coordinates</i>
|
||
| 1810 | * @return 2D rectangle equivalent in <i>screen coordinates</i> (pixels)
|
||
| 1811 | *
|
||
| 1812 | * @see #toMapRectangle(Rectangle2D)
|
||
| 1813 | * @see #fromMapDistance(double)
|
||
| 1814 | * @see #fromMapPoint(Point2D)
|
||
| 1815 | */
|
||
| 1816 | public Rectangle2D fromMapRectangle(Rectangle2D r) { |
||
| 1817 | Rectangle2D rect = new Rectangle2D.Double(); |
||
| 1818 | Point2D p1 = fromMapPoint((int) r.getX(), (int) r.getY()); |
||
| 1819 | Point2D p2 = fromMapPoint((int) r.getMaxX(), (int) r.getMaxY()); |
||
| 1820 | rect.setFrameFromDiagonal(p1, p2); |
||
| 1821 | return rect;
|
||
| 1822 | } |
||
| 1823 | 21200 | vcaballero | |
| 1824 | 33613 | fdiaz | /**
|
| 1825 | * <p>
|
||
| 1826 | * Recalculates the current <code>{@linkplain #extent}</code> using an
|
||
| 1827 | * scale. It's necessary execute {@linkplain #refreshExtent()} after.
|
||
| 1828 | * </p>
|
||
| 1829 | *
|
||
| 1830 | * @param s
|
||
| 1831 | * the scale to set
|
||
| 1832 | *
|
||
| 1833 | * @deprecated since 07/09/07, use
|
||
| 1834 | * {@linkplain MapContext#setScaleView(long)}
|
||
| 1835 | */
|
||
| 1836 | public void setScale(long s) { |
||
| 1837 | double x = extent.getX();
|
||
| 1838 | double y = extent.getY();
|
||
| 1839 | double escalaX = imageSize.width / extent.getWidth();
|
||
| 1840 | // double w = imageSize.width / s;
|
||
| 1841 | // double h = imageSize.height / s;
|
||
| 1842 | double difw = escalaX / s;
|
||
| 1843 | 26905 | jmvivo | |
| 1844 | 33613 | fdiaz | double x1 = (-x * difw) - x + extent.getWidth() / 2; |
| 1845 | double y1 = (-y * difw) - y + extent.getHeight() / 2; |
||
| 1846 | double w1 = extent.getWidth() * difw;
|
||
| 1847 | double h1 = extent.getHeight() * difw;
|
||
| 1848 | extent.setRect(-x1, -y1, w1, h1); |
||
| 1849 | } |
||
| 1850 | 21200 | vcaballero | |
| 1851 | 33613 | fdiaz | public long getDrawVersion() { |
| 1852 | return this.drawVersion; |
||
| 1853 | } |
||
| 1854 | 21200 | vcaballero | |
| 1855 | 33613 | fdiaz | protected void updateDrawVersion() { |
| 1856 | this.drawVersion++;
|
||
| 1857 | } |
||
| 1858 | 29519 | jtorres | |
| 1859 | 33652 | jjdelcerro | // /**
|
| 1860 | // * Obtiene la representaci?n de un color como String
|
||
| 1861 | // *
|
||
| 1862 | // * @param c
|
||
| 1863 | // * Color
|
||
| 1864 | // *
|
||
| 1865 | // * @return String
|
||
| 1866 | // */
|
||
| 1867 | // public static String color2String(Color c) {
|
||
| 1868 | // if (c == null)
|
||
| 1869 | // return null;
|
||
| 1870 | // return c.getRed() + "," + c.getGreen() + "," + c.getBlue() + ","
|
||
| 1871 | // + c.getAlpha();
|
||
| 1872 | // }
|
||
| 1873 | //
|
||
| 1874 | // /**
|
||
| 1875 | // * Obtiene el color de un string generado con color2String
|
||
| 1876 | // *
|
||
| 1877 | // * @param stringColor
|
||
| 1878 | // * string
|
||
| 1879 | // *
|
||
| 1880 | // * @return Color
|
||
| 1881 | // */
|
||
| 1882 | // public static Color string2Color(String stringColor) {
|
||
| 1883 | // if (stringColor == null || stringColor.equals("null"))
|
||
| 1884 | // return null;
|
||
| 1885 | // String[] ints = new String[4];
|
||
| 1886 | //
|
||
| 1887 | // ints = CompatLocator.getStringUtils().split(stringColor, ",");
|
||
| 1888 | //
|
||
| 1889 | // int[] ret = new int[4];
|
||
| 1890 | //
|
||
| 1891 | // for (int i = 0; i < ret.length; i++) {
|
||
| 1892 | // ret[i] = new Integer(ints[i]).intValue();
|
||
| 1893 | // }
|
||
| 1894 | //
|
||
| 1895 | // return new Color(ret[0], ret[1], ret[2], ret[3]);
|
||
| 1896 | // }
|
||
| 1897 | 29519 | jtorres | |
| 1898 | 21200 | vcaballero | } |