svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.fmap.mapcontext / org.gvsig.fmap.mapcontext.api / src / main / java / org / gvsig / fmap / mapcontext / ViewPort.java @ 42173
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1 | 40559 | jjdelcerro | /**
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2 | * gvSIG. Desktop Geographic Information System.
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3 | 40435 | jjdelcerro | *
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4 | 40559 | jjdelcerro | * Copyright (C) 2007-2013 gvSIG Association.
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5 | 40435 | jjdelcerro | *
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6 | * This program is free software; you can redistribute it and/or
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7 | * modify it under the terms of the GNU General Public License
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8 | 40559 | jjdelcerro | * as published by the Free Software Foundation; either version 3
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9 | 40435 | jjdelcerro | * of the License, or (at your option) any later version.
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10 | *
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11 | * This program is distributed in the hope that it will be useful,
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12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 | * GNU General Public License for more details.
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15 | *
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16 | * You should have received a copy of the GNU General Public License
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17 | * along with this program; if not, write to the Free Software
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18 | 40559 | jjdelcerro | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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19 | * MA 02110-1301, USA.
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20 | 40435 | jjdelcerro | *
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21 | 40559 | jjdelcerro | * For any additional information, do not hesitate to contact us
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22 | * at info AT gvsig.com, or visit our website www.gvsig.com.
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23 | 40435 | jjdelcerro | */
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24 | package org.gvsig.fmap.mapcontext; |
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25 | |||
26 | import java.awt.Color; |
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27 | import java.awt.Dimension; |
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28 | import java.awt.Toolkit; |
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29 | import java.awt.geom.AffineTransform; |
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30 | import java.awt.geom.NoninvertibleTransformException; |
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31 | import java.awt.geom.Point2D; |
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32 | import java.awt.geom.Rectangle2D; |
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33 | import java.util.ArrayList; |
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34 | |||
35 | import org.cresques.cts.GeoCalc; |
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36 | import org.cresques.cts.IProjection; |
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37 | 41419 | jjdelcerro | import org.gvsig.compat.CompatLocator; |
38 | 40435 | jjdelcerro | import org.slf4j.Logger; |
39 | import org.slf4j.LoggerFactory; |
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40 | |||
41 | import org.gvsig.fmap.geom.Geometry.SUBTYPES; |
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42 | import org.gvsig.fmap.geom.Geometry; |
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43 | import org.gvsig.fmap.geom.GeometryLocator; |
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44 | import org.gvsig.fmap.geom.GeometryManager; |
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45 | import org.gvsig.fmap.geom.exception.CreateEnvelopeException; |
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46 | import org.gvsig.fmap.geom.exception.CreateGeometryException; |
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47 | import org.gvsig.fmap.geom.primitive.Envelope; |
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48 | import org.gvsig.fmap.geom.primitive.Point; |
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49 | import org.gvsig.fmap.mapcontext.events.ColorEvent; |
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50 | import org.gvsig.fmap.mapcontext.events.ExtentEvent; |
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51 | import org.gvsig.fmap.mapcontext.events.ProjectionEvent; |
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52 | import org.gvsig.fmap.mapcontext.events.listeners.ViewPortListener; |
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53 | import org.gvsig.timesupport.Time; |
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54 | import org.gvsig.tools.ToolsLocator; |
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55 | import org.gvsig.tools.dynobject.DynStruct; |
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56 | import org.gvsig.tools.lang.Cloneable; |
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57 | import org.gvsig.tools.persistence.PersistenceManager; |
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58 | import org.gvsig.tools.persistence.Persistent; |
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59 | import org.gvsig.tools.persistence.PersistentState; |
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60 | import org.gvsig.tools.persistence.exception.PersistenceException; |
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61 | import org.gvsig.tools.util.Callable; |
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62 | |||
63 | /**
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64 | * <p>
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65 | * <code>ViewPort</code> class represents the logic needed to transform a
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66 | * rectangular area of a map to the available area in screen to display it.
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67 | * </p>
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68 | * <p>
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69 | * Includes an affine transformation, between the rectangular area selected of
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70 | * the external map, in its own <i>map coordinates</i>, to the rectangular area
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71 | * available of a view in <i>screen coordinates</i>.
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72 | * </p>
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73 | * <p>
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74 | * Elements:
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75 | * <ul>
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76 | * <li><i>extent</i>: the area selected of the map, in <i>map coordinates</i>.
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77 | * <li><i>imageSize</i>: width and height in pixels (<i>screen coordinates</i>)
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78 | * of the area available in screen to display the area selected of the map.
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79 | * <li><i>adjustedExtent</i>: the area selected must be an scale of
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80 | * <i>imageSize</i>.<br>
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81 | * This implies adapt the extent, preserving and centering it, and adding around
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82 | * the needed area to fill all the image size. That added area will be extracted
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83 | * from the original map, wherever exists, and filled with the background color
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84 | * wherever not.
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85 | * <li><i>scale</i>: the scale between the adjusted extent and the image size.
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86 | * <li><i>backColor</i>: the default background color in the view, if there is
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87 | * no map.
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88 | * <li><i>trans</i>: the affine transformation.
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89 | * <li><i>proj</i>: map projection used in this view.
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90 | * <li><i>distanceUnits</i>: distance measurement units, of data in screen.
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91 | * <li><i>mapUnits</i>: measurement units, of data in map.
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92 | * <li><i>extents</i>: an {@link ExtentHistory ExtentHistory} with the last
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93 | * previous extents.
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94 | * <li><i>offset</i>: position in pixels of the available rectangular area,
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95 | * where start drawing the map.
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96 | * <li><i>dist1pixel</i>: the distance in <i>world coordinates</i> equivalent to
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97 | * 1 pixel in the view with the current extent.
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98 | * <li><i>dist3pixel</i>: the distance in <i>world coordinates</i> equivalent to
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99 | * 3 pixels in the view with the current extent.
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100 | * <li><i>listeners</i>: list with the {@link ViewPortListener ViewPortListener}
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101 | * registered.
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102 | * </ul>
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103 | * </p>
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104 | *
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105 | * @author Vicente Caballero Navarro
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106 | */
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107 | public class ViewPort implements Persistent, Cloneable { |
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108 | |||
109 | 42170 | mcompany | private static final String FIELD_DISTANCE_AREA = "distanceArea"; |
110 | 40435 | jjdelcerro | |
111 | 42170 | mcompany | private static final String FIELD_IMAGE_SIZE = "imageSize"; |
112 | 40435 | jjdelcerro | |
113 | 42170 | mcompany | private static final String FIELD_PROJ = "proj"; |
114 | 40435 | jjdelcerro | |
115 | 42170 | mcompany | private static final String FIELD_OFFSET = "offset"; |
116 | 40435 | jjdelcerro | |
117 | 42170 | mcompany | private static final String FIELD_MAP_UNITS = "mapUnits"; |
118 | 40435 | jjdelcerro | |
119 | 42170 | mcompany | private static final String FIELD_EXTENT = "extent"; |
120 | 40435 | jjdelcerro | |
121 | 42170 | mcompany | private static final String FIELD_EXTENTS = "extents"; |
122 | 40435 | jjdelcerro | |
123 | 42170 | mcompany | private static final String FIELD_DISTANCE_UNITS = "distanceUnits"; |
124 | 40435 | jjdelcerro | |
125 | 42170 | mcompany | private static final String FIELD_DIST3PIXEL = "dist3pixel"; |
126 | 40435 | jjdelcerro | |
127 | 42170 | mcompany | private static final String FIELD_DIST1PIXEL = "dist1pixel"; |
128 | 40435 | jjdelcerro | |
129 | 42170 | mcompany | private static final String FIELD_CLIP = "clip"; |
130 | 40435 | jjdelcerro | |
131 | 42170 | mcompany | private static final String FIELD_BACK_COLOR = "backColor"; |
132 | 40435 | jjdelcerro | |
133 | 42170 | mcompany | private static final String FIELD_ADJUSTED_EXTENT = "adjustedExtent"; |
134 | 40435 | jjdelcerro | |
135 | 42170 | mcompany | private static final GeometryManager geomManager = GeometryLocator |
136 | .getGeometryManager(); |
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137 | 40435 | jjdelcerro | |
138 | 42170 | mcompany | private static final Logger logger = LoggerFactory.getLogger(ViewPort.class); |
139 | 40435 | jjdelcerro | |
140 | 42170 | mcompany | /**
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141 | * <p>
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142 | * Area selected by user using some tool.
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143 | * </p>
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144 | * <p>
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145 | * When the zoom changes (for instance when using the zoom in or zoom out
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146 | * tools, but also zooming to a selected feature or shape) the extent that
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147 | * covers that area is the value returned by this method. It is not the actual
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148 | * area shown in the view because it does not care about the aspect ratio of
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149 | * the available area. However, any part of the real world contained in this
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150 | * extent is shown in the view.
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151 | * </p>
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152 | * <p>
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153 | * Probably this is not what you are looking for. If you are looking for the
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154 | * complete extent currently shown, you must use
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155 | * {@linkplain #getAdjustedExtent()} method which returns the extent that
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156 | * contains this one but regarding the current view's aspect ratio.
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157 | * </p>
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158 | *
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159 | * @see #getExtent()
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160 | * @see #setEnvelope(Envelope)
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161 | */
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162 | protected Rectangle2D extent; |
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163 | 40435 | jjdelcerro | |
164 | 42170 | mcompany | protected Time time; |
165 | 40435 | jjdelcerro | |
166 | 42170 | mcompany | /**
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167 | * <p>
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168 | * Location and dimensions of the extent adjusted to the image size.
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169 | * </p>
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170 | *
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171 | * @see #getAdjustedExtent()
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172 | */
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173 | protected Rectangle2D adjustedExtent; |
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174 | 40435 | jjdelcerro | |
175 | 42170 | mcompany | /**
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176 | * Draw version of the context. It's used for know when de componend has
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177 | * changed any visualization property
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178 | *
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179 | * @see getDrawVersion
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180 | * @see updateDrawVersion
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181 | */
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182 | private long drawVersion = 0L; |
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183 | 40435 | jjdelcerro | |
184 | 42170 | mcompany | /**
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185 | * <p>
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186 | * History with the last extents of the view.
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187 | * </p>
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188 | *
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189 | * @see #setPreviousExtent()
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190 | * @see #getExtents()
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191 | */
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192 | protected ExtentHistory extentsHistory = new ExtentHistory(); |
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193 | 42173 | mcompany | |
194 | 42170 | mcompany | /**
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195 | * <p>
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196 | * Size in <i>screen coordinates</i> of the rectangle where the image is
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197 | * displayed.
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198 | * </p>
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199 | * <p>
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200 | * Used by {@linkplain #calculateAffineTransform()} to calculate:<br>
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201 | * <ul>
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202 | * <li>The new {@link #scale scale} .
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203 | * <li>The new {@link #adjustedExtent adjustableExtent} .
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204 | * <li>The new {@link #trans trans} .
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205 | * <li>The new real world coordinates equivalent to 1 pixel (
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206 | * {@link #dist1pixel dist1pixel}) .
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207 | * <li>The new real world coordinates equivalent to 3 pixels (
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208 | * {@link #dist3pixel dist3pixel}) .
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209 | * </ul>
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210 | * </p>
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211 | *
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212 | * @see #getImageSize()
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213 | * @see #getImageHeight()
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214 | * @see #getImageWidth()
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215 | * @see #setImageSize(Dimension)
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216 | */
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217 | private Dimension imageSize; |
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218 | 40435 | jjdelcerro | |
219 | 42170 | mcompany | /**
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220 | * <p>
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221 | * the affine transformation between the {@link #extent extent} in <i>map 2D
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222 | * coordinates</i> to the image area in the screen, in <i>screen 2D
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223 | * coordinates</i> (pixels).
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224 | * </p>
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225 | *
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226 | * @see AffineTransform
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227 | * @see #getAffineTransform()
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228 | * @see #setAffineTransform(AffineTransform)
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229 | * @see #calculateAffineTransform()
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230 | */
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231 | private AffineTransform trans = new AffineTransform(); |
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232 | 40435 | jjdelcerro | |
233 | 42170 | mcompany | /**
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234 | * <p>
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235 | * Measurement unit used for measuring distances and displaying information.
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236 | * </p>
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237 | *
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238 | * @see #getDistanceUnits()
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239 | * @see #setDistanceUnits(int)
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240 | */
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241 | private int distanceUnits = 1; |
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242 | 40435 | jjdelcerro | |
243 | 42170 | mcompany | /**
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244 | * <p>
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245 | * Measurement unit used for measuring areas and displaying information.
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246 | * </p>
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247 | *
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248 | * @see #getDistanceArea()
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249 | * @see #setDistanceArea(int)
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250 | */
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251 | private int distanceArea = 1; |
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252 | 40435 | jjdelcerro | |
253 | 42170 | mcompany | /**
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254 | * <p>
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255 | * Measurement unit used by this view port for the map.
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256 | * </p>
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257 | *
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258 | * @see #getMapUnits()
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259 | * @see #setMapUnits(int)
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260 | */
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261 | private int mapUnits = 1; |
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262 | 40435 | jjdelcerro | |
263 | 42170 | mcompany | /**
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264 | * <p>
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265 | * Array with the {@link ViewPortListener ViewPortListener}s registered to
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266 | * this view port.
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267 | * </p>
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268 | *
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269 | * @see #addViewPortListener(ViewPortListener)
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270 | * @see #removeViewPortListener(ViewPortListener)
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271 | */
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272 | private ArrayList listeners = new ArrayList(); |
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273 | 40435 | jjdelcerro | |
274 | 42170 | mcompany | /**
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275 | * <p>
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276 | * The offset is the position where start drawing the map.
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277 | * </p>
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278 | * <p>
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279 | * The offset of a <a href="http://www.gvsig.gva.es/">gvSIG</a>'s <i>View</i>
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280 | * is always (0, 0) because the drawing area fits with the full window area.
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281 | * But in a <a href="http://www.gvsig.gva.es/">gvSIG</a>'s <i>Layout</i> it's
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282 | * up to the place where the <code>FFrameView</code> is located.
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283 | * </p>
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284 | *
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285 | * @see #getOffset()
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286 | * @see #setOffset(Point2D)
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287 | */
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288 | private Point2D offset = new Point2D.Double(0, 0); |
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289 | 40435 | jjdelcerro | |
290 | 42170 | mcompany | /**
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291 | * <p>
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292 | * Clipping area.
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293 | * </p>
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294 | */
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295 | // private Rectangle2D clip;
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296 | 40435 | jjdelcerro | |
297 | 42170 | mcompany | /**
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298 | * <p>
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299 | * Background color of this view.
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300 | * </p>
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301 | *
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302 | * @see #getBackColor()
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303 | * @see #setBackColor(Color)
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304 | */
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305 | private Color backColor = null; // Color.WHITE; |
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306 | 40435 | jjdelcerro | |
307 | 42170 | mcompany | /**
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308 | * <p>
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309 | * Information about the map projection used in this view.
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310 | * </p>
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311 | *
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312 | * @see #getProjection()
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313 | * @see #setProjection(IProjection)
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314 | */
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315 | private IProjection proj;
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316 | 40435 | jjdelcerro | |
317 | 42170 | mcompany | /**
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318 | * <p>
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319 | * Represents the distance in <i>world coordinates</i> equivalent to 1 pixel
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320 | * in the view with the current extent.
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321 | * </p>
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322 | *
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323 | * @see #getDist1pixel()
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324 | * @see #setDist1pixel(double)
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325 | */
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326 | private double dist1pixel; |
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327 | 40435 | jjdelcerro | |
328 | 42170 | mcompany | /**
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329 | * <p>
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330 | * Represents the distance in <i>world coordinates</i> equivalent to 3 pixels
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331 | * in the view with the current extent.
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332 | * </p>
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333 | *
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334 | * @see #getDist3pixel()
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335 | * @see #setDist3pixel(double)
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336 | */
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337 | private double dist3pixel; |
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338 | 40435 | jjdelcerro | |
339 | 42170 | mcompany | /**
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340 | * <p>
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341 | * Ratio between the size of <code>imageSize</code> and <code>extent</code>: <br>
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342 | * <i>
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343 | *
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344 | * <pre>
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345 | * min{(imageSize.getHeight()/extent.getHeight(), imageSize.getWidth()/extent.getWidth())}
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346 | * </pre>
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347 | *
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348 | * </i>
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349 | * </p>
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350 | */
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351 | private double scale; |
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352 | 40435 | jjdelcerro | |
353 | 42170 | mcompany | /**
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354 | * <p>
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355 | * Clipping area.
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356 | * </p>
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357 | *
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358 | * @see #setClipRect(Rectangle2D)
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359 | */
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360 | private Rectangle2D cliprect; |
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361 | 40435 | jjdelcerro | |
362 | 42170 | mcompany | /**
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363 | * <p>
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364 | * Enables or disables the <i>"adjustable extent"</i> mode.
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365 | * </p>
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366 | * <p>
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367 | * When calculates the affine transform, if
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368 | * <ul>
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369 | * <li><i>enabled</i>: the new <code>adjustedExtent</code> will have the (X,
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370 | * Y) coordinates of the <code>extent</code> and an area that will be an scale
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371 | * of the image size. That area will have different height or width (not both)
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372 | * of the extent according the least ratio (height or width) in
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373 | *
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374 | * <pre>
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375 | * image.size/extent.size"
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376 | * </pre>.
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377 | * <li><i>disabled</i>: the new <code>adjustedExtent</code> will be like
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378 | * <code>extent</code>.
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379 | * </ul>
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380 | * </p>
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381 | *
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382 | * @see #setAdjustable(boolean)
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383 | */
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384 | private boolean adjustableExtent = true; |
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385 | 40435 | jjdelcerro | |
386 | 42170 | mcompany | /**
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387 | * <p>
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388 | * ViewPort resolution in <i>dots-per-inch</i>. Useful to calculate the
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389 | * geographic scale of the view.
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390 | * </p>
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391 | *
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392 | * @see Toolkit#getScreenResolution()
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393 | * @see MapContext#getScaleView()
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394 | */
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395 | private Double dpi = null; |
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396 | |||
397 | public ViewPort() {
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398 | |||
399 | } |
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400 | |||
401 | /**
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402 | * <p>
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403 | * Creates a new view port with the information of the projection in
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404 | * <code>proj</code> argument, and default configuration:
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405 | * </p>
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406 | * <p>
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407 | * <ul>
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408 | * <li><i><code>distanceUnits</code></i> = meters
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409 | * <li><i><code>mapUnits</code></i> = meters
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410 | * <li><i><code>backColor</code></i> = <i>undefined</i>
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411 | * <li><i><code>offset</code></i> = <code>new Point2D.Double(0, 0);</code>
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412 | * </ul>
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413 | * </p>
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414 | *
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415 | * @param proj information of the projection for this view port
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416 | */
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417 | public ViewPort(IProjection proj) {
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418 | // Por defecto
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419 | this.proj = proj;
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420 | } |
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421 | |||
422 | /**
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423 | * <p>
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424 | * Changes the status of the <i>"adjustable extent"</i> option to enabled or
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425 | * disabled.
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426 | * </p>
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427 | * <p>
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428 | * If view port isn't adjustable, won't bear in mind the aspect ratio of the
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429 | * available rectangular area to calculate the affine transform from the
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430 | * original map in real coordinates. (Won't scale the image to adapt it to the
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431 | * available rectangular area).
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432 | * </p>
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433 | *
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434 | * @param boolean the boolean to be set
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435 | */
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436 | public void setAdjustable(boolean adjustable) { |
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437 | if (adjustable == adjustableExtent) {
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438 | return;
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||
439 | 40435 | jjdelcerro | } |
440 | 42170 | mcompany | adjustableExtent = adjustable; |
441 | this.updateDrawVersion();
|
||
442 | } |
||
443 | 40435 | jjdelcerro | |
444 | 42170 | mcompany | /**
|
445 | * <p>
|
||
446 | * Appends the specified {@link ViewPortListener ViewPortListener} listener if
|
||
447 | * weren't.
|
||
448 | * </p>
|
||
449 | *
|
||
450 | * @param arg0 the listener to add
|
||
451 | * @return <code>true</code> if has been added successfully
|
||
452 | * @see #removeViewPortListener(ViewPortListener)
|
||
453 | */
|
||
454 | public boolean addViewPortListener(ViewPortListener arg0) { |
||
455 | if (!listeners.contains(arg0)) {
|
||
456 | return listeners.add(arg0);
|
||
457 | 40435 | jjdelcerro | } |
458 | 42170 | mcompany | return false; |
459 | } |
||
460 | 40435 | jjdelcerro | |
461 | 42170 | mcompany | /**
|
462 | * <p>
|
||
463 | * Removes the specified {@link ViewPortListener ViewPortListener} listener,
|
||
464 | * if existed.
|
||
465 | * </p>
|
||
466 | *
|
||
467 | * @param arg0 the listener to remove
|
||
468 | * @return <code>true</code> if the contained the specified listener.
|
||
469 | * @see #addViewPortListener(ViewPortListener)
|
||
470 | */
|
||
471 | public boolean removeViewPortListener(ViewPortListener arg0) { |
||
472 | return listeners.remove(arg0);
|
||
473 | } |
||
474 | 40435 | jjdelcerro | |
475 | 42170 | mcompany | /**
|
476 | * <p>
|
||
477 | * Converts and returns the distance <code>d</code>, that is in <i>map
|
||
478 | * coordinates</i> to <i>screen coordinates</i> using a <i>delta transform</i>
|
||
479 | * with the transformation affine information in the {@link #trans #trans}
|
||
480 | * attribute.
|
||
481 | * </p>
|
||
482 | *
|
||
483 | * @param d distance in <i>map coordinates</i>
|
||
484 | * @return distance equivalent in <i>screen coordinates</i>
|
||
485 | * @see #toMapDistance(int)
|
||
486 | * @see AffineTransform#deltaTransform(Point2D, Point2D)S
|
||
487 | */
|
||
488 | public int fromMapDistance(double d) { |
||
489 | Point2D.Double pWorld = new Point2D.Double(1, 1); |
||
490 | Point2D.Double pScreen = new Point2D.Double(); |
||
491 | |||
492 | try {
|
||
493 | trans.deltaTransform(pWorld, pScreen); |
||
494 | 40435 | jjdelcerro | } |
495 | 42170 | mcompany | catch (Exception e) { |
496 | System.err.print(e.getMessage());
|
||
497 | } |
||
498 | 40435 | jjdelcerro | |
499 | 42170 | mcompany | return (int) (d * pScreen.x); |
500 | } |
||
501 | 40435 | jjdelcerro | |
502 | 42170 | mcompany | /**
|
503 | * <p>
|
||
504 | * Converts and returns the 2D point <code>(x,y)</code>, that is in <i>map
|
||
505 | * coordinates</i> to <i>screen coordinates</i> (pixels) using the affine
|
||
506 | * transformation in the {@link #trans #trans} attribute.
|
||
507 | * </p>
|
||
508 | *
|
||
509 | * @param x the <code>x</code> <i>map coordinate</i> of a 2D point
|
||
510 | * @param y the <code>y</code> <i>map coordinate</i> of a 2D point
|
||
511 | * @return 2D point equivalent in <i>screen coordinates</i> (pixels)
|
||
512 | * @see #fromMapPoint(Point2D)
|
||
513 | * @see AffineTransform#transform(Point2D, Point2D)
|
||
514 | */
|
||
515 | public Point2D fromMapPoint(double x, double y) { |
||
516 | Point2D.Double pWorld = new Point2D.Double(x, y); |
||
517 | Point2D.Double pScreen = new Point2D.Double(); |
||
518 | 40435 | jjdelcerro | |
519 | 42170 | mcompany | try {
|
520 | trans.transform(pWorld, pScreen); |
||
521 | 40435 | jjdelcerro | } |
522 | 42170 | mcompany | catch (Exception e) { |
523 | System.err.print(e.getMessage());
|
||
524 | 40435 | jjdelcerro | } |
525 | |||
526 | 42170 | mcompany | return pScreen;
|
527 | } |
||
528 | 40435 | jjdelcerro | |
529 | 42170 | mcompany | /**
|
530 | * <p>
|
||
531 | * Converts and returns the 2D point argument, that is in <i>map
|
||
532 | * coordinates</i> to <i>screen coordinates</i> (pixels) using the affine
|
||
533 | * transformation in the {@link #trans #trans} attribute.
|
||
534 | * </p>
|
||
535 | *
|
||
536 | * @param point the 2D point in <i>map coordinates</i>
|
||
537 | * @return 2D point equivalent in <i>screen coordinates</i> (pixels)
|
||
538 | * @see #toMapPoint(Point2D)
|
||
539 | * @see #fromMapPoint(double, double)
|
||
540 | */
|
||
541 | public Point2D fromMapPoint(Point2D point) { |
||
542 | return fromMapPoint(point.getX(), point.getY());
|
||
543 | } |
||
544 | 40435 | jjdelcerro | |
545 | 42170 | mcompany | /**
|
546 | * <p>
|
||
547 | * Converts and returns the 2D point <code>(x,y)</code>, that is in <i>screen
|
||
548 | * coordinates</i> (pixels) to <i>map coordinates</i> using the affine
|
||
549 | * transformation in the {@link #trans #trans} attribute.
|
||
550 | * </p>
|
||
551 | *
|
||
552 | * @param x the <code>x</code> <i>screen coordinate</i> of a 2D point
|
||
553 | * @param y the <code>y</code> <i>screen coordinate</i> of a 2D point
|
||
554 | * @return 2D point equivalent in <i>map coordinates</i>
|
||
555 | * @see #toMapPoint(Point2D)
|
||
556 | * @see #fromMapPoint(double, double)
|
||
557 | * @deprecated use {@link #convertToMapPoint(int, int)}
|
||
558 | */
|
||
559 | public Point2D toMapPoint(int x, int y) { |
||
560 | Point2D pScreen = new Point2D.Double(x, y); |
||
561 | 40435 | jjdelcerro | |
562 | 42170 | mcompany | return toMapPoint(pScreen);
|
563 | } |
||
564 | 40435 | jjdelcerro | |
565 | 42170 | mcompany | /**
|
566 | * <p>
|
||
567 | * Converts and returns the {@link Rectangle2D Rectangle2D}, that is in
|
||
568 | * <i>screen coordinates</i> (pixels) to <i>map coordinates</i> using
|
||
569 | * {@linkplain #toMapDistance(int)}, and {@linkplain #toMapPoint(int, int)}.
|
||
570 | * </p>
|
||
571 | *
|
||
572 | * @param r the 2D rectangle in <i>screen coordinates</i> (pixels)
|
||
573 | * @return 2D rectangle equivalent in <i>map coordinates</i>
|
||
574 | * @see #fromMapRectangle(Rectangle2D)
|
||
575 | * @see #toMapDistance(int)
|
||
576 | * @see #toMapPoint(int, int)
|
||
577 | */
|
||
578 | public Rectangle2D toMapRectangle(Rectangle2D r) { |
||
579 | Rectangle2D rect = new Rectangle2D.Double(); |
||
580 | Point2D p1 = toMapPoint((int) r.getX(), (int) r.getY()); |
||
581 | Point2D p2 = toMapPoint((int) r.getMaxX(), (int) r.getMaxY()); |
||
582 | rect.setFrameFromDiagonal(p1, p2); |
||
583 | return rect;
|
||
584 | } |
||
585 | 40435 | jjdelcerro | |
586 | 42170 | mcompany | /**
|
587 | * <p>
|
||
588 | * Converts and returns the distance <code>d</code>, that is in <i>screen
|
||
589 | * coordinates</i> to <i>map coordinates</i> using the transformation affine
|
||
590 | * information in the {@link #trans #trans} attribute.
|
||
591 | * </p>
|
||
592 | *
|
||
593 | * @param d distance in pixels
|
||
594 | * @return distance equivalent in <i>map coordinates</i>
|
||
595 | * @see #fromMapDistance(double)
|
||
596 | * @see AffineTransform
|
||
597 | */
|
||
598 | public double toMapDistance(int d) { |
||
599 | double dist = d / trans.getScaleX();
|
||
600 | 40435 | jjdelcerro | |
601 | 42170 | mcompany | return dist;
|
602 | } |
||
603 | |||
604 | /**
|
||
605 | * <p>
|
||
606 | * Converts and returns the 2D point argument, that is in <i>screen
|
||
607 | * coordinates</i> (pixels) to <i>map coordinates</i> using the inverse affine
|
||
608 | * transformation of the {@link #trans #trans} attribute.
|
||
609 | * </p>
|
||
610 | *
|
||
611 | * @param pScreen the 2D point in <i>screen coordinates</i> (pixels)
|
||
612 | * @return 2D point equivalent in <i>map coordinates</i>
|
||
613 | * @see #toMapPoint(int, int)
|
||
614 | * @see AffineTransform#createInverse()
|
||
615 | * @see AffineTransform#transform(Point2D, Point2D)
|
||
616 | * @deprecated use {@link #convertToMapPoint(Point2D)}
|
||
617 | */
|
||
618 | public Point2D toMapPoint(Point2D pScreen) { |
||
619 | Point2D.Double pWorld = new Point2D.Double(); |
||
620 | AffineTransform at;
|
||
621 | |||
622 | try {
|
||
623 | at = trans.createInverse(); |
||
624 | at.transform(pScreen, pWorld); |
||
625 | 40435 | jjdelcerro | } |
626 | 42170 | mcompany | catch (NoninvertibleTransformException e) { |
627 | throw new RuntimeException("Non invertible transform Exception", e); |
||
628 | } |
||
629 | 40435 | jjdelcerro | |
630 | 42170 | mcompany | return pWorld;
|
631 | } |
||
632 | |||
633 | public Point convertToMapPoint(Point2D pScreen) { |
||
634 | Point2D p = toMapPoint(pScreen);
|
||
635 | try {
|
||
636 | return geomManager.createPoint(p.getX(), p.getY(),
|
||
637 | Geometry.SUBTYPES.GEOM2D); |
||
638 | 40435 | jjdelcerro | } |
639 | 42170 | mcompany | catch (CreateGeometryException e) {
|
640 | // FIXME: Use a most especific exception.
|
||
641 | throw new RuntimeException(e); |
||
642 | } |
||
643 | } |
||
644 | 40435 | jjdelcerro | |
645 | 42170 | mcompany | public Point convertToMapPoint(int x, int y) { |
646 | Point2D pScreen = new Point2D.Double(x, y); |
||
647 | 40435 | jjdelcerro | |
648 | 42170 | mcompany | return convertToMapPoint(pScreen);
|
649 | } |
||
650 | 40435 | jjdelcerro | |
651 | 42170 | mcompany | /**
|
652 | * <p>
|
||
653 | * Returns the real distance (in <i>world coordinates</i>) at the graphic
|
||
654 | * layers of two 2D points (in <i>map coordinates</i>) of the plane where is
|
||
655 | * selected the <i>extent</i>.
|
||
656 | * </p>
|
||
657 | * <p>
|
||
658 | * If the projection of this view is UTM, considers the Earth curvature.
|
||
659 | * </p>
|
||
660 | *
|
||
661 | * @param pt1 a 2D point in <i>map coordinates</i>
|
||
662 | * @param pt2 another 2D point in <i>map coordinates</i>
|
||
663 | * @return the distance in meters between the two points 2D
|
||
664 | * @see GeoCalcImpl#distanceVincenty(Point2D, Point2D)
|
||
665 | */
|
||
666 | public double distanceWorld(Point2D pt1, Point2D pt2) { |
||
667 | 40435 | jjdelcerro | |
668 | 42170 | mcompany | double dist = 0; |
669 | if (proj.isProjected()) {
|
||
670 | dist = pt1.distance(pt2); |
||
671 | dist = dist * MapContext.getDistanceTrans2Meter()[getMapUnits()]; |
||
672 | 40435 | jjdelcerro | } |
673 | 42170 | mcompany | else {
|
674 | GeoCalc geocalc = new GeoCalc(proj);
|
||
675 | dist = geocalc.distanceVincenty(pt1, pt2); |
||
676 | } |
||
677 | return dist;
|
||
678 | } |
||
679 | 40435 | jjdelcerro | |
680 | 42170 | mcompany | /**
|
681 | * <p>
|
||
682 | * Sets as extent and adjusted extent of this view port, the previous.
|
||
683 | * Recalculating its parameters.
|
||
684 | * </p>
|
||
685 | *
|
||
686 | * @see #getExtents()
|
||
687 | * @see #calculateAffineTransform()
|
||
688 | * @deprecated use {@link ViewPort#setPreviousEnvelope()}
|
||
689 | */
|
||
690 | public void setPreviousExtent() { |
||
691 | setPreviousEnvelope(); |
||
692 | } |
||
693 | 40435 | jjdelcerro | |
694 | 42170 | mcompany | /**
|
695 | * <p>
|
||
696 | * Sets as envelope and adjusted envelope of this view port, the previous.
|
||
697 | * Recalculating its parameters.
|
||
698 | * </p>
|
||
699 | *
|
||
700 | * @see #getExtents()
|
||
701 | * @see #calculateAffineTransform()
|
||
702 | */
|
||
703 | public void setPreviousEnvelope() { |
||
704 | this.updateDrawVersion();
|
||
705 | 42173 | mcompany | extentsHistory.putNext(extent); |
706 | 42170 | mcompany | extent = extentsHistory.removePrev(); |
707 | 40435 | jjdelcerro | |
708 | 42170 | mcompany | // Calcula la transformaci�n af�n
|
709 | calculateAffineTransform(); |
||
710 | 40435 | jjdelcerro | |
711 | 42170 | mcompany | // Lanzamos los eventos de extent cambiado
|
712 | callExtentChanged(getAdjustedExtent()); |
||
713 | } |
||
714 | 40983 | jldominguez | |
715 | 42170 | mcompany | /**
|
716 | * <p>
|
||
717 | * Sets as envelope and adjusted envelope of this view port, the next.
|
||
718 | * Recalculating its parameters.
|
||
719 | * </p>
|
||
720 | *
|
||
721 | * @see #getExtents()
|
||
722 | * @see #calculateAffineTransform()
|
||
723 | */
|
||
724 | public void setNextEnvelope() { |
||
725 | this.updateDrawVersion();
|
||
726 | 42173 | mcompany | extentsHistory.put(extent); |
727 | 42170 | mcompany | extent = extentsHistory.removeNext(); |
728 | |||
729 | // Calcula la transformaci�n af�n
|
||
730 | calculateAffineTransform(); |
||
731 | |||
732 | // Lanzamos los eventos de extent cambiado
|
||
733 | callExtentChanged(getAdjustedExtent()); |
||
734 | } |
||
735 | |||
736 | /**
|
||
737 | * <p>
|
||
738 | * Gets the area selected by user using some tool.
|
||
739 | * </p>
|
||
740 | * <p>
|
||
741 | * When the zoom changes (for instance using the <i>zoom in</i> or <i>zoom
|
||
742 | * out</i> tools, but also zooming to a selected feature or shape) the extent
|
||
743 | * that covers that area is the value returned by this method. It is not the
|
||
744 | * actual area shown because it doesn't care about the aspect ratio of the
|
||
745 | * image size of the view. However, any part of the real world contained in
|
||
746 | * this extent is shown in the view.
|
||
747 | * </p>
|
||
748 | * <p>
|
||
749 | * If you are looking for the complete extent currently shown, you must use
|
||
750 | * the {@linkplain #getAdjustedExtent()} method.
|
||
751 | * </p>
|
||
752 | *
|
||
753 | * @return the current extent
|
||
754 | * @see #setEnvelope(Envelope)
|
||
755 | * @see #getAdjustedExtent()
|
||
756 | * @see #setPreviousExtent()
|
||
757 | * @see #getExtents()
|
||
758 | * @deprecated use {@link ViewPort#getEnvelope()}
|
||
759 | */
|
||
760 | public Rectangle2D getExtent() { |
||
761 | return extent;
|
||
762 | } |
||
763 | |||
764 | /**
|
||
765 | * <p>
|
||
766 | * Gets the envelope selected by user using some tool.
|
||
767 | * </p>
|
||
768 | * <p>
|
||
769 | * When the zoom changes (for instance using the <i>zoom in</i> or <i>zoom
|
||
770 | * out</i> tools, but also zooming to a selected feature or shape) the
|
||
771 | * envelope that covers that area is the value returned by this method. It is
|
||
772 | * not the actual envelope shown because it doesn't care about the aspect
|
||
773 | * ratio of the image size of the view. However, any part of the real world
|
||
774 | * contained in this envelope is shown in the view.
|
||
775 | * </p>
|
||
776 | * <p>
|
||
777 | * If you are looking for the complete extent currently shown, you must use
|
||
778 | * the {@linkplain #getAdjustedEnvelope()} method.
|
||
779 | * </p>
|
||
780 | *
|
||
781 | * @return the current envelope
|
||
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 | 40435 | jjdelcerro | } |
791 | 42170 | mcompany | try {
|
792 | return geomManager.createEnvelope(extent.getMinX(), extent.getMinY(),
|
||
793 | extent.getMaxX(), extent.getMaxY(), SUBTYPES.GEOM2D); |
||
794 | // This class has to use Envelope instead of Rectangle2D. This catch
|
||
795 | // will disappear
|
||
796 | } |
||
797 | catch (CreateEnvelopeException e) {
|
||
798 | logger.error("Error creating the envelope");
|
||
799 | } |
||
800 | return null; |
||
801 | } |
||
802 | 40435 | jjdelcerro | |
803 | 42170 | mcompany | /**
|
804 | * <p>
|
||
805 | * Changes the <i>extent</i> and <i>adjusted extent</i> of this view port:<br>
|
||
806 | * <ul>
|
||
807 | * <li>Stores the previous extent.
|
||
808 | * <li>Calculates the new extent using <code>r</code>:
|
||
809 | *
|
||
810 | * <pre>
|
||
811 | * extent = new Rectangle2D.Double(r.getMinX() - 0.1, r.getMinY() - 0.1,
|
||
812 | * r.getWidth() + 0.2, r.getHeight() + 0.2);
|
||
813 | * </pre>
|
||
814 | * <li>Executes {@linkplain #calculateAffineTransform()}: getting the new
|
||
815 | * scale, adjusted extent, affine transformation between map and screen
|
||
816 | * coordinates, the real world coordinates equivalent to 1 pixel, and the real
|
||
817 | * world coordinates equivalent to 3 pixels.
|
||
818 | * <li>Notifies all {@link ViewPortListener ViewPortListener} registered that
|
||
819 | * the extent has changed.
|
||
820 | * </ul>
|
||
821 | * </p>
|
||
822 | *
|
||
823 | * @param r the new extent
|
||
824 | * @see #getExtent()
|
||
825 | * @see #getExtents()
|
||
826 | * @see #calculateAffineTransform()
|
||
827 | * @see #setPreviousExtent()
|
||
828 | */
|
||
829 | public void setEnvelope(Envelope r) { |
||
830 | Rectangle2D newExtent = null; |
||
831 | // Esto comprueba que el extent no es de anchura o altura = "0"
|
||
832 | // y si es as� lo redimensiona.
|
||
833 | if (r != null) { |
||
834 | if ((r.getMaximum(0) - r.getMinimum(0) == 0) |
||
835 | || (r.getMaximum(1) - r.getMinimum(1) == 0)) { |
||
836 | newExtent = new Rectangle2D.Double(r.getMinimum(0) - 0.1, |
||
837 | r.getMinimum(1) - 0.1, r.getMaximum(0) - r.getMinimum(0) + 0.2, |
||
838 | r.getMaximum(1) - r.getMinimum(1) + 0.2); |
||
839 | } |
||
840 | else {
|
||
841 | newExtent = new Rectangle2D.Double(r.getMinimum(0), r.getMinimum(1), |
||
842 | Math.abs(r.getMaximum(0) - r.getMinimum(0)), Math.abs(r |
||
843 | .getMaximum(1) - r.getMinimum(1))); |
||
844 | } |
||
845 | 40435 | jjdelcerro | } |
846 | |||
847 | 42170 | mcompany | if (this.extent != null && this.extent.equals(newExtent)) { |
848 | return;
|
||
849 | 40435 | jjdelcerro | } |
850 | 42173 | mcompany | |
851 | 42170 | mcompany | if (extent != null) { |
852 | 42173 | mcompany | if (!extent.equals(extentsHistory.get())
|
853 | && !extent.equals(extentsHistory.getNext())) { |
||
854 | extentsHistory.clear(); |
||
855 | } |
||
856 | 42170 | mcompany | extentsHistory.put(extent); |
857 | } |
||
858 | 42173 | mcompany | |
859 | 42170 | mcompany | this.updateDrawVersion();
|
860 | this.extent = newExtent;
|
||
861 | 40435 | jjdelcerro | |
862 | 42170 | mcompany | // Calcula la transformaci�n af�n
|
863 | calculateAffineTransform(); |
||
864 | 42173 | mcompany | |
865 | 40435 | jjdelcerro | |
866 | 42170 | mcompany | // Lanzamos los eventos de extent cambiado
|
867 | callExtentChanged(getAdjustedExtent()); |
||
868 | } |
||
869 | 40435 | jjdelcerro | |
870 | 42170 | mcompany | /**
|
871 | * <p>
|
||
872 | * Changes the <i>extent</i> and <i>adjusted extent</i> of this view port:<br>
|
||
873 | * <ul>
|
||
874 | * <li>Executes {@linkplain #calculateAffineTransform()}: getting the new
|
||
875 | * scale, adjusted extent, affine transformation between map and screen
|
||
876 | * coordinates, the real world coordinates equivalent to 1 pixel, and the real
|
||
877 | * world coordinates equivalent to 3 pixels.
|
||
878 | * <li>Notifies to all {@link ViewPortListener ViewPortListener} registered
|
||
879 | * that the extent has changed.
|
||
880 | * </ul>
|
||
881 | * </p>
|
||
882 | *
|
||
883 | * @see #setEnvelope(Envelope)
|
||
884 | * @see #calculateAffineTransform()
|
||
885 | */
|
||
886 | public void refreshExtent() { |
||
887 | // this.scale = scale;
|
||
888 | 40435 | jjdelcerro | |
889 | 42170 | mcompany | // Calcula la transformaci�n af�n
|
890 | calculateAffineTransform(); |
||
891 | 40435 | jjdelcerro | |
892 | 42170 | mcompany | // Lanzamos los eventos de extent cambiado
|
893 | callExtentChanged(getAdjustedExtent()); |
||
894 | } |
||
895 | 40435 | jjdelcerro | |
896 | 42170 | mcompany | /**
|
897 | * <p>
|
||
898 | * Calculates and returns using the current projection of this view port, the
|
||
899 | * scale that is the extent in <i>screen coordinates</i> from the image in
|
||
900 | * <i>map coordinates</i>.
|
||
901 | * </p>
|
||
902 | *
|
||
903 | * @return the scale <i>extent / image size</i> projected by this view port
|
||
904 | * @deprecated since 07/09/07, use {@linkplain MapContext#getScaleView()}
|
||
905 | */
|
||
906 | private double getScale() { |
||
907 | 40435 | jjdelcerro | |
908 | 42170 | mcompany | double[] trans2Meter = MapContext.getDistanceTrans2Meter(); |
909 | if (proj == null) { |
||
910 | double wmeters = ((getImageSize().width / this.getDPI()) * 0.0254); |
||
911 | return (long) ((trans2Meter[getMapUnits()] * getAdjustedEnvelope() |
||
912 | .getLength(0)) / wmeters);
|
||
913 | 40435 | jjdelcerro | } |
914 | 42170 | mcompany | else {
|
915 | return Math.round(proj.getScale(getAdjustedEnvelope().getMinimum(0) |
||
916 | * trans2Meter[getMapUnits()], getAdjustedEnvelope().getMaximum(0)
|
||
917 | * trans2Meter[getMapUnits()], getImageSize().width, this.getDPI()));
|
||
918 | } |
||
919 | 40435 | jjdelcerro | |
920 | 42170 | mcompany | /*
|
921 | * return proj.getScale(extent.getMinX(), extent.getMaxX(), imageSize.width,
|
||
922 | * dpi);
|
||
923 | 40435 | jjdelcerro | */
|
924 | 42170 | mcompany | } |
925 | 40435 | jjdelcerro | |
926 | 42170 | mcompany | /**
|
927 | * <p>
|
||
928 | * Affine transformation between <i>map 2D coordinates</i> to <i>screen 2D
|
||
929 | * coordinates</i> (pixels), preserving the "straightness" and "parallelism"
|
||
930 | * of the lines.
|
||
931 | * </p>
|
||
932 | *
|
||
933 | * @return the affine transformation
|
||
934 | * @see #setAffineTransform(AffineTransform)
|
||
935 | * @see #calculateAffineTransform()
|
||
936 | */
|
||
937 | public AffineTransform getAffineTransform() { |
||
938 | return trans;
|
||
939 | } |
||
940 | |||
941 | /**
|
||
942 | * <p>
|
||
943 | * Returns the size of the image projected.
|
||
944 | * </p>
|
||
945 | *
|
||
946 | * @return the image size
|
||
947 | * @see #setImageSize(Dimension)
|
||
948 | * @see #getImageHeight()
|
||
949 | * @see #getImageWidth()
|
||
950 | */
|
||
951 | public Dimension getImageSize() { |
||
952 | return imageSize;
|
||
953 | } |
||
954 | |||
955 | /**
|
||
956 | * <p>
|
||
957 | * Sets the size of the image projected, recalculating the parameters of this
|
||
958 | * view port.
|
||
959 | * </p>
|
||
960 | *
|
||
961 | * @param imageSize the image size
|
||
962 | * @see #getImageSize()
|
||
963 | * @see #calculateAffineTransform()
|
||
964 | */
|
||
965 | public void setImageSize(Dimension imageSize) { |
||
966 | |||
967 | if (this.imageSize == null || (!this.imageSize.equals(imageSize))) { |
||
968 | this.updateDrawVersion();
|
||
969 | this.imageSize = imageSize;
|
||
970 | calculateAffineTransform(); |
||
971 | 40435 | jjdelcerro | } |
972 | 42170 | mcompany | } |
973 | 40435 | jjdelcerro | |
974 | 42170 | mcompany | /**
|
975 | * <p>
|
||
976 | * Notifies to all view port listeners registered, that the adjusted extent of
|
||
977 | * this view port has changed.
|
||
978 | * </p>
|
||
979 | *
|
||
980 | * @param newRect the new adjusted extend
|
||
981 | * @see #refreshExtent()
|
||
982 | * @see #setEnvelope(Envelope)
|
||
983 | * @see #setPreviousExtent()
|
||
984 | * @see ExtentEvent
|
||
985 | * @see ViewPortListener
|
||
986 | */
|
||
987 | protected void callExtentChanged(Envelope newRect) { |
||
988 | ExtentEvent ev = ExtentEvent.createExtentEvent(newRect); |
||
989 | 40435 | jjdelcerro | |
990 | 42170 | mcompany | for (int i = 0; i < listeners.size(); i++) { |
991 | ViewPortListener listener = (ViewPortListener) listeners.get(i); |
||
992 | listener.extentChanged(ev); |
||
993 | } |
||
994 | } |
||
995 | 40435 | jjdelcerro | |
996 | 42170 | mcompany | /**
|
997 | * <p>
|
||
998 | * Notifies to all view port listeners registered, that the time of this view
|
||
999 | * port has changed.
|
||
1000 | * </p>
|
||
1001 | *
|
||
1002 | * @param newTime the new time
|
||
1003 | * @see #refreshExtent()
|
||
1004 | * @see #setTime(Time)
|
||
1005 | * @see ExtentEvent
|
||
1006 | * @see ViewPortListener
|
||
1007 | */
|
||
1008 | protected void callTimeChanged(Time newTime) { |
||
1009 | ExtentEvent viewPortEvent = new ExtentEvent(newTime);
|
||
1010 | 40435 | jjdelcerro | |
1011 | 42170 | mcompany | for (int i = 0; i < listeners.size(); i++) { |
1012 | ViewPortListener listener = (ViewPortListener) listeners.get(i); |
||
1013 | listener.extentChanged(viewPortEvent); |
||
1014 | } |
||
1015 | } |
||
1016 | 40435 | jjdelcerro | |
1017 | 42170 | mcompany | /**
|
1018 | * <p>
|
||
1019 | * Notifies to all view port listeners registered, that the background color
|
||
1020 | * of this view port has changed.
|
||
1021 | * </p>
|
||
1022 | *
|
||
1023 | * @param c the new background color
|
||
1024 | * @see #setBackColor(Color)
|
||
1025 | * @see ColorEvent
|
||
1026 | * @see ViewPortListener
|
||
1027 | */
|
||
1028 | private void callColorChanged(Color c) { |
||
1029 | ColorEvent ce = ColorEvent.createColorEvent(c); |
||
1030 | 40435 | jjdelcerro | |
1031 | 42170 | mcompany | for (int i = 0; i < listeners.size(); i++) { |
1032 | ViewPortListener listener = (ViewPortListener) listeners.get(i); |
||
1033 | listener.backColorChanged(ce); |
||
1034 | } |
||
1035 | } |
||
1036 | 40435 | jjdelcerro | |
1037 | 42170 | mcompany | /**
|
1038 | * <p>
|
||
1039 | * Notifies to all view port listeners registered, that the projection of this
|
||
1040 | * view port has changed.
|
||
1041 | * </p>
|
||
1042 | *
|
||
1043 | * @param projection the new projection
|
||
1044 | * @see #setProjection(IProjection)
|
||
1045 | * @see ProjectionEvent
|
||
1046 | * @see ViewPortListener
|
||
1047 | */
|
||
1048 | private void callProjectionChanged(IProjection projection) { |
||
1049 | ProjectionEvent ev = ProjectionEvent.createProjectionEvent(projection); |
||
1050 | 40435 | jjdelcerro | |
1051 | 42170 | mcompany | for (int i = 0; i < listeners.size(); i++) { |
1052 | ViewPortListener listener = (ViewPortListener) listeners.get(i); |
||
1053 | listener.projectionChanged(ev); |
||
1054 | } |
||
1055 | } |
||
1056 | 40435 | jjdelcerro | |
1057 | 42170 | mcompany | /**
|
1058 | * <p>
|
||
1059 | * Calculates the affine transformation between the {@link #extent extent} in
|
||
1060 | * <i>map 2D coordinates</i> to the image area in the screen, in <i>screen 2D
|
||
1061 | * coordinates</i> (pixels).
|
||
1062 | * </p>
|
||
1063 | * <p>
|
||
1064 | * This process recalculates some parameters of this view port:<br>
|
||
1065 | * <ul>
|
||
1066 | * <li>The new {@link #scale scale} .
|
||
1067 | * <li>The new {@link #adjustedExtent adjustedExtent} .
|
||
1068 | * <li>The new {@link #trans trans} .
|
||
1069 | * <li>The new real world coordinates equivalent to 1 pixel (
|
||
1070 | * {@link #dist1pixel dist1pixel}) .
|
||
1071 | * <li>The new real world coordinates equivalent to 3 pixels (
|
||
1072 | * {@link #dist3pixel dist3pixel}) .
|
||
1073 | * </ul>
|
||
1074 | * </p>
|
||
1075 | *
|
||
1076 | * @see #getAffineTransform()
|
||
1077 | * @see #setAffineTransform(AffineTransform)
|
||
1078 | * @see #refreshExtent()
|
||
1079 | * @see #setEnvelope(Envelope)
|
||
1080 | * @see #setImageSize(Dimension)
|
||
1081 | * @see #setPreviousExtent()
|
||
1082 | * @see #createFromXML(XMLEntity)
|
||
1083 | * @see AffineTransform
|
||
1084 | */
|
||
1085 | private void calculateAffineTransform() { |
||
1086 | if ((imageSize == null) || (extent == null) || (imageSize.width <= 0) |
||
1087 | || (imageSize.height <= 0)) {
|
||
1088 | return;
|
||
1089 | } |
||
1090 | 40435 | jjdelcerro | |
1091 | 42170 | mcompany | AffineTransform escalado = new AffineTransform(); |
1092 | AffineTransform translacion = new AffineTransform(); |
||
1093 | 40435 | jjdelcerro | |
1094 | 42170 | mcompany | double escalaX;
|
1095 | double escalaY;
|
||
1096 | 40435 | jjdelcerro | |
1097 | 42170 | mcompany | escalaX = imageSize.width / extent.getWidth(); |
1098 | escalaY = imageSize.height / extent.getHeight(); |
||
1099 | 40435 | jjdelcerro | |
1100 | 42170 | mcompany | double xCenter = extent.getCenterX();
|
1101 | double yCenter = extent.getCenterY();
|
||
1102 | double newHeight;
|
||
1103 | double newWidth;
|
||
1104 | 40435 | jjdelcerro | |
1105 | 42170 | mcompany | adjustedExtent = new Rectangle2D.Double(); |
1106 | 40435 | jjdelcerro | |
1107 | 42170 | mcompany | if (adjustableExtent) {
|
1108 | if (escalaX < escalaY) {
|
||
1109 | scale = escalaX; |
||
1110 | newHeight = imageSize.height / scale; |
||
1111 | adjustedExtent.setRect(xCenter - (extent.getWidth() / 2.0), yCenter
|
||
1112 | - (newHeight / 2.0), extent.getWidth(), newHeight);
|
||
1113 | } |
||
1114 | else {
|
||
1115 | scale = escalaY; |
||
1116 | newWidth = imageSize.width / scale; |
||
1117 | adjustedExtent.setRect(xCenter - (newWidth / 2.0),
|
||
1118 | yCenter - (extent.getHeight() / 2.0), newWidth, extent.getHeight());
|
||
1119 | } |
||
1120 | escalado.setToScale(scale, -scale); |
||
1121 | 40435 | jjdelcerro | } |
1122 | 42170 | mcompany | else { // adjusted is same as extent |
1123 | scale = escalaX; |
||
1124 | adjustedExtent.setFrame(extent); |
||
1125 | escalado.setToScale(escalaX, -escalaY); |
||
1126 | 40435 | jjdelcerro | } |
1127 | 42170 | mcompany | Envelope env = getAdjustedExtent(); |
1128 | if (env == null) { |
||
1129 | return;
|
||
1130 | 40435 | jjdelcerro | } |
1131 | 42170 | mcompany | translacion.setToTranslation(-env.getMinimum(0), -env.getMinimum(1) |
1132 | - getAdjustedExtent().getLength(1));
|
||
1133 | 40435 | jjdelcerro | |
1134 | 42170 | mcompany | AffineTransform offsetTrans = new AffineTransform(); |
1135 | offsetTrans.setToTranslation(offset.getX(), offset.getY()); |
||
1136 | 40435 | jjdelcerro | |
1137 | 42170 | mcompany | trans.setToIdentity(); |
1138 | trans.concatenate(offsetTrans); |
||
1139 | trans.concatenate(escalado); |
||
1140 | 40435 | jjdelcerro | |
1141 | 42170 | mcompany | trans.concatenate(translacion); |
1142 | 40435 | jjdelcerro | |
1143 | 42170 | mcompany | // Calculamos las distancias de 1 pixel y 3 pixel con esa
|
1144 | // transformaci�n
|
||
1145 | // de coordenadas, de forma que est�n precalculadas para cuando las
|
||
1146 | // necesitemos
|
||
1147 | AffineTransform at;
|
||
1148 | 40435 | jjdelcerro | |
1149 | 42170 | mcompany | try {
|
1150 | at = trans.createInverse(); |
||
1151 | 40435 | jjdelcerro | |
1152 | 42170 | mcompany | Point2D pPixel = new Point2D.Float(1, 1); |
1153 | 40435 | jjdelcerro | |
1154 | 42170 | mcompany | Point2D.Float pProv = new Point2D.Float(); |
1155 | at.deltaTransform(pPixel, pProv); |
||
1156 | 40435 | jjdelcerro | |
1157 | 42170 | mcompany | dist1pixel = pProv.x; |
1158 | dist3pixel = 3 * pProv.x;
|
||
1159 | 40435 | jjdelcerro | } |
1160 | 42170 | mcompany | catch (NoninvertibleTransformException e) { |
1161 | System.err.println("transformada afin = " + trans.toString()); |
||
1162 | System.err.println("extent = " + extent.toString() + " imageSize= " |
||
1163 | + imageSize.toString()); |
||
1164 | throw new RuntimeException("Non invertible transform Exception", e); |
||
1165 | 40435 | jjdelcerro | } |
1166 | 42170 | mcompany | } |
1167 | 40435 | jjdelcerro | |
1168 | 42170 | mcompany | /**
|
1169 | * <p>
|
||
1170 | * Sets the offset.
|
||
1171 | * </p>
|
||
1172 | * <p>
|
||
1173 | * The offset is the position where start drawing the map.
|
||
1174 | * </p>
|
||
1175 | *
|
||
1176 | * @param p 2D point that represents the offset in pixels
|
||
1177 | * @see #getOffset()
|
||
1178 | */
|
||
1179 | public void setOffset(Point2D p) { |
||
1180 | if (!offset.equals(p)) {
|
||
1181 | this.updateDrawVersion();
|
||
1182 | offset = p; |
||
1183 | 40435 | jjdelcerro | } |
1184 | 42170 | mcompany | } |
1185 | 40435 | jjdelcerro | |
1186 | 42170 | mcompany | /**
|
1187 | * <p>
|
||
1188 | * Gets the offset.
|
||
1189 | * </p>
|
||
1190 | * <p>
|
||
1191 | * The offset is the position where start drawing the map.
|
||
1192 | * </p>
|
||
1193 | *
|
||
1194 | * @return 2D point that represents the offset in pixels
|
||
1195 | * @see #setOffset(Point2D)
|
||
1196 | */
|
||
1197 | public Point2D getOffset() { |
||
1198 | return offset;
|
||
1199 | } |
||
1200 | 40435 | jjdelcerro | |
1201 | 42170 | mcompany | /**
|
1202 | * <p>
|
||
1203 | * Sets the background color.
|
||
1204 | * </p>
|
||
1205 | *
|
||
1206 | * @param c the new background color
|
||
1207 | * @see #getBackColor()
|
||
1208 | */
|
||
1209 | public void setBackColor(Color c) { |
||
1210 | if (!c.equals(this.backColor)) { |
||
1211 | this.updateDrawVersion();
|
||
1212 | backColor = c; |
||
1213 | callColorChanged(backColor); |
||
1214 | 40435 | jjdelcerro | } |
1215 | 42170 | mcompany | } |
1216 | 40435 | jjdelcerro | |
1217 | 42170 | mcompany | /**
|
1218 | * <p>
|
||
1219 | * Gets the background color.
|
||
1220 | * </p>
|
||
1221 | *
|
||
1222 | * @return the background color of the view
|
||
1223 | * @see #setBackColor(Color)
|
||
1224 | */
|
||
1225 | public Color getBackColor() { |
||
1226 | return backColor;
|
||
1227 | } |
||
1228 | 40435 | jjdelcerro | |
1229 | 42170 | mcompany | /**
|
1230 | * <p>
|
||
1231 | * Returns the extent currently covered by the view adjusted (scaled) to the
|
||
1232 | * image size aspect.
|
||
1233 | * </p>
|
||
1234 | *
|
||
1235 | * @return extent of the view adjusted to the image size aspect
|
||
1236 | * @see #setAdjustable(boolean)
|
||
1237 | * @deprecated use {@link ViewPort#getAdjustedEnvelope()} instead
|
||
1238 | */
|
||
1239 | public Envelope getAdjustedExtent() {
|
||
1240 | return getAdjustedEnvelope();
|
||
1241 | } |
||
1242 | 40435 | jjdelcerro | |
1243 | 42170 | mcompany | /**
|
1244 | * <p>
|
||
1245 | * Returns the envelope currently covered by the view adjusted (scaled) to the
|
||
1246 | * image size aspect.
|
||
1247 | * </p>
|
||
1248 | *
|
||
1249 | * @return envelope of the view adjusted to the image size aspect
|
||
1250 | * @see #setAdjustable(boolean)
|
||
1251 | */
|
||
1252 | public Envelope getAdjustedEnvelope() {
|
||
1253 | if (cliprect != null) { |
||
1254 | Rectangle2D r = adjustedExtent.createIntersection(cliprect);
|
||
1255 | try {
|
||
1256 | return geomManager.createEnvelope(r.getX(), r.getY(), r.getMaxX(),
|
||
1257 | r.getMaxY(), SUBTYPES.GEOM2D); |
||
1258 | } |
||
1259 | catch (CreateEnvelopeException e) {
|
||
1260 | e.printStackTrace(); |
||
1261 | logger.error("Error adjusting the extent", e);
|
||
1262 | } |
||
1263 | 40435 | jjdelcerro | } |
1264 | 42170 | mcompany | if (adjustedExtent != null) { |
1265 | try {
|
||
1266 | return geomManager.createEnvelope(adjustedExtent.getX(),
|
||
1267 | adjustedExtent.getY(), adjustedExtent.getMaxX(), |
||
1268 | adjustedExtent.getMaxY(), SUBTYPES.GEOM2D); |
||
1269 | } |
||
1270 | catch (CreateEnvelopeException e) {
|
||
1271 | e.printStackTrace(); |
||
1272 | logger.error("Error adjusting the extent", e);
|
||
1273 | } |
||
1274 | 40435 | jjdelcerro | } |
1275 | 42170 | mcompany | return null; |
1276 | } |
||
1277 | 40435 | jjdelcerro | |
1278 | 42170 | mcompany | /**
|
1279 | * <p>
|
||
1280 | * Returns the measurement unit of this view port used for measuring distances
|
||
1281 | * and displaying information.
|
||
1282 | * </p>
|
||
1283 | *
|
||
1284 | * @return the measurement unit of this view used for measuring distances and
|
||
1285 | * displaying information
|
||
1286 | * @see #setDistanceUnits(int)
|
||
1287 | */
|
||
1288 | public int getDistanceUnits() { |
||
1289 | return distanceUnits;
|
||
1290 | } |
||
1291 | 40435 | jjdelcerro | |
1292 | 42170 | mcompany | /**
|
1293 | * <p>
|
||
1294 | * Returns the measurement unit of this view port used for measuring areas and
|
||
1295 | * displaying information.
|
||
1296 | * </p>
|
||
1297 | *
|
||
1298 | * @return the measurement unit of this view used for measuring areas and
|
||
1299 | * displaying information
|
||
1300 | * @see #setDistanceUnits(int)
|
||
1301 | */
|
||
1302 | public int getDistanceArea() { |
||
1303 | return distanceArea;
|
||
1304 | } |
||
1305 | 40435 | jjdelcerro | |
1306 | 42170 | mcompany | /**
|
1307 | * <p>
|
||
1308 | * Sets the measurement unit of this view port used for measuring distances
|
||
1309 | * and displaying information.
|
||
1310 | * </p>
|
||
1311 | *
|
||
1312 | * @param distanceUnits the measurement unit of this view used for measuring
|
||
1313 | * distances and displaying information
|
||
1314 | * @see #getDistanceUnits()
|
||
1315 | */
|
||
1316 | public void setDistanceUnits(int distanceUnits) { |
||
1317 | this.distanceUnits = distanceUnits;
|
||
1318 | } |
||
1319 | 40435 | jjdelcerro | |
1320 | 42170 | mcompany | /**
|
1321 | * <p>
|
||
1322 | * Sets the measurement unit of this view port used for measuring areas and
|
||
1323 | * displaying information.
|
||
1324 | * </p>
|
||
1325 | *
|
||
1326 | * @param distanceUnits the measurement unit of this view used for measuring
|
||
1327 | * areas and displaying information
|
||
1328 | * @see #getDistanceUnits()
|
||
1329 | */
|
||
1330 | public void setDistanceArea(int distanceArea) { |
||
1331 | this.distanceArea = distanceArea;
|
||
1332 | } |
||
1333 | 40435 | jjdelcerro | |
1334 | 42170 | mcompany | /**
|
1335 | * <p>
|
||
1336 | * Gets the measurement unit used by this view port for the map.
|
||
1337 | * </p>
|
||
1338 | *
|
||
1339 | * @return Returns the current map measure unit
|
||
1340 | * @see #setMapUnits(int)
|
||
1341 | */
|
||
1342 | public int getMapUnits() { |
||
1343 | return mapUnits;
|
||
1344 | } |
||
1345 | 40435 | jjdelcerro | |
1346 | 42170 | mcompany | /**
|
1347 | * <p>
|
||
1348 | * Sets the measurement unit used by this view port for the map.
|
||
1349 | * </p>
|
||
1350 | *
|
||
1351 | * @param mapUnits the new map measure unit
|
||
1352 | * @see #getMapUnits()
|
||
1353 | */
|
||
1354 | public void setMapUnits(int mapUnits) { |
||
1355 | this.mapUnits = mapUnits;
|
||
1356 | } |
||
1357 | 40435 | jjdelcerro | |
1358 | 42170 | mcompany | /**
|
1359 | * <p>
|
||
1360 | * Gets the width in <i>screen coordinates</i> of the rectangle where the
|
||
1361 | * image is displayed.
|
||
1362 | * </p>
|
||
1363 | * <p>
|
||
1364 | * Used by {@linkplain #calculateAffineTransform()} to calculate:<br>
|
||
1365 | * <ul>
|
||
1366 | * <li>The new {@link #scale scale} .
|
||
1367 | * <li>The new {@link #adjustedExtent adjustableExtent} .
|
||
1368 | * <li>The new {@link #trans trans} .
|
||
1369 | * <li>The new real world coordinates equivalent to 1 pixel (
|
||
1370 | * {@link #dist1pixel dist1pixel}) .
|
||
1371 | * <li>The new real world coordinates equivalent to 3 pixels (
|
||
1372 | * {@link #dist3pixel dist3pixel}) .
|
||
1373 | * </ul>
|
||
1374 | * </p>
|
||
1375 | *
|
||
1376 | * @see #getImageHeight()
|
||
1377 | * @see #getImageSize()
|
||
1378 | * @see #setImageSize(Dimension)
|
||
1379 | */
|
||
1380 | public int getImageWidth() { |
||
1381 | return imageSize.width;
|
||
1382 | } |
||
1383 | 40435 | jjdelcerro | |
1384 | 42170 | mcompany | /**
|
1385 | * <p>
|
||
1386 | * Gets the height in <i>screen coordinates</i> of the rectangle where the
|
||
1387 | * image is displayed.
|
||
1388 | * </p>
|
||
1389 | * <p>
|
||
1390 | * Used by {@linkplain #calculateAffineTransform()} to calculate:<br>
|
||
1391 | * <ul>
|
||
1392 | * <li>The new {@link #scale scale} .
|
||
1393 | * <li>The new {@link #adjustedExtent adjustableExtent} .
|
||
1394 | * <li>The new {@link #trans trans} .
|
||
1395 | * <li>The new real world coordinates equivalent to 1 pixel (
|
||
1396 | * {@link #dist1pixel dist1pixel}) .
|
||
1397 | * <li>The new real world coordinates equivalent to 3 pixels (
|
||
1398 | * {@link #dist3pixel dist3pixel}) .
|
||
1399 | * </ul>
|
||
1400 | * </p>
|
||
1401 | *
|
||
1402 | * @see #getImageWidth()
|
||
1403 | * @see #getImageSize()
|
||
1404 | * @see #setImageSize(Dimension)
|
||
1405 | */
|
||
1406 | public int getImageHeight() { |
||
1407 | return imageSize.height;
|
||
1408 | } |
||
1409 | 40435 | jjdelcerro | |
1410 | 42170 | mcompany | /**
|
1411 | * <p>
|
||
1412 | * Gets the distance in <i>world coordinates</i> equivalent to 1 pixel in the
|
||
1413 | * view with the current extent.
|
||
1414 | * </p>
|
||
1415 | *
|
||
1416 | * @return the distance
|
||
1417 | * @see #setDist1pixel(double)
|
||
1418 | */
|
||
1419 | public double getDist1pixel() { |
||
1420 | return dist1pixel;
|
||
1421 | } |
||
1422 | 40435 | jjdelcerro | |
1423 | 42170 | mcompany | /**
|
1424 | * <p>
|
||
1425 | * Sets the distance in <i>world coordinates</i> equivalent to 1 pixel in the
|
||
1426 | * view with the current extent.
|
||
1427 | * </p>
|
||
1428 | *
|
||
1429 | * @param dist1pixel the distance
|
||
1430 | * @see #getDist1pixel()
|
||
1431 | */
|
||
1432 | public void setDist1pixel(double dist1pixel) { |
||
1433 | if (dist1pixel == this.dist1pixel) { |
||
1434 | return;
|
||
1435 | } |
||
1436 | this.updateDrawVersion();
|
||
1437 | this.dist1pixel = dist1pixel;
|
||
1438 | } |
||
1439 | 40435 | jjdelcerro | |
1440 | 42170 | mcompany | /**
|
1441 | * <p>
|
||
1442 | * Gets the distance in <i>world coordinates</i> equivalent to 3 pixels in the
|
||
1443 | * view with the current extent.
|
||
1444 | * </p>
|
||
1445 | *
|
||
1446 | * @return the distance
|
||
1447 | * @see #setDist3pixel(double)
|
||
1448 | */
|
||
1449 | public double getDist3pixel() { |
||
1450 | return dist3pixel;
|
||
1451 | } |
||
1452 | 40435 | jjdelcerro | |
1453 | 42170 | mcompany | /**
|
1454 | * <p>
|
||
1455 | * Sets the distance in <i>world coordinates</i> equivalent to 3 pixels in the
|
||
1456 | * view with the current extent.
|
||
1457 | * </p>
|
||
1458 | *
|
||
1459 | * @param dist3pixel the distance
|
||
1460 | * @see #getDist3pixel()
|
||
1461 | */
|
||
1462 | public void setDist3pixel(double dist3pixel) { |
||
1463 | if (this.dist3pixel == dist3pixel) { |
||
1464 | return;
|
||
1465 | 40435 | jjdelcerro | } |
1466 | 42170 | mcompany | this.updateDrawVersion();
|
1467 | this.dist3pixel = dist3pixel;
|
||
1468 | } |
||
1469 | 40435 | jjdelcerro | |
1470 | 42170 | mcompany | /**
|
1471 | * <p>
|
||
1472 | * Returns the last previous extents of this view port.
|
||
1473 | * </p>
|
||
1474 | *
|
||
1475 | * @return the last previous extents of this view port
|
||
1476 | * @see #setPreviousExtent()
|
||
1477 | * @deprecated use {@link ViewPort#getEnvelopes()}
|
||
1478 | */
|
||
1479 | public ExtentHistory getExtents() {
|
||
1480 | return getEnvelopes();
|
||
1481 | } |
||
1482 | 40435 | jjdelcerro | |
1483 | 42170 | mcompany | /**
|
1484 | * <p>
|
||
1485 | * Returns the last previous extents of this view port.
|
||
1486 | * </p>
|
||
1487 | *
|
||
1488 | * @return the last previous extents of this view port
|
||
1489 | * @see #setPreviousExtent()
|
||
1490 | */
|
||
1491 | public ExtentHistory getEnvelopes() {
|
||
1492 | return extentsHistory;
|
||
1493 | } |
||
1494 | 40435 | jjdelcerro | |
1495 | 42170 | mcompany | /**
|
1496 | * <p>
|
||
1497 | * Gets the projection used in this view port.
|
||
1498 | * </p>
|
||
1499 | *
|
||
1500 | * @return projection used in this view port
|
||
1501 | * @see #setProjection(IProjection)
|
||
1502 | */
|
||
1503 | public IProjection getProjection() {
|
||
1504 | return proj;
|
||
1505 | } |
||
1506 | |||
1507 | /**
|
||
1508 | * <p>
|
||
1509 | * Sets the projection to this view port.
|
||
1510 | * </p>
|
||
1511 | *
|
||
1512 | * @param proj the new projection
|
||
1513 | * @see #getProjection()
|
||
1514 | */
|
||
1515 | public void setProjection(IProjection proj) { |
||
1516 | if (this.proj == null || !this.proj.getAbrev().equals(proj.getAbrev())) { |
||
1517 | this.updateDrawVersion();
|
||
1518 | this.proj = proj;
|
||
1519 | callProjectionChanged(proj); |
||
1520 | 40435 | jjdelcerro | } |
1521 | 42170 | mcompany | } |
1522 | 40435 | jjdelcerro | |
1523 | 42170 | mcompany | // -----------------------------------------------------------------------------------------------------------
|
1524 | // NOTA PARA DESARROLLADORES SOBRE EL M�TODO
|
||
1525 | // "public void setAffineTransform(AffineTransform at)"
|
||
1526 | // ==============================================================================================
|
||
1527 | // Only used for print, should be removed, redefining the {@link
|
||
1528 | // RasterAdapter RasterAdapter} interface,
|
||
1529 | // allowing it to receive a {@link ViewPortData ViewPortData} .
|
||
1530 | // -----------------------------------------------------------------------------------------------------------
|
||
1531 | 40435 | jjdelcerro | |
1532 | 42170 | mcompany | /**
|
1533 | * <p>
|
||
1534 | * Sets only the affine transform to this view port, without updating
|
||
1535 | * dependent attributes.
|
||
1536 | * </p>
|
||
1537 | * <p>
|
||
1538 | * <b><i>This method could be problematic!</i></b>
|
||
1539 | * </p>
|
||
1540 | *
|
||
1541 | * @param at the affine transform to set
|
||
1542 | * @see #getAffineTransform()
|
||
1543 | * @see #calculateAffineTransform()
|
||
1544 | */
|
||
1545 | public void setAffineTransform(AffineTransform at) { |
||
1546 | this.trans = at;
|
||
1547 | } |
||
1548 | 40435 | jjdelcerro | |
1549 | 42170 | mcompany | /**
|
1550 | * <p>
|
||
1551 | * Returns an XML entity that represents this view port instance:<br>
|
||
1552 | * <ul>
|
||
1553 | * <li>Properties:
|
||
1554 | * <ul>
|
||
1555 | * <li><i>className</i>: name of this class.
|
||
1556 | * <li>If defined, the adjusted extent:
|
||
1557 | * <ul>
|
||
1558 | * <li><i>adjustedExtentX</i>: X coordinate of the adjusted extent.
|
||
1559 | * <li><i>adjustedExtentY</i>: Y coordinate of the adjusted extent.
|
||
1560 | * <li><i>adjustedExtentW</i>: width of the adjusted extent.
|
||
1561 | * <li><i>adjustedExtentH</i>: height of the adjusted extent.
|
||
1562 | * </ul>
|
||
1563 | * <li>If defined, the background color:
|
||
1564 | * <ul>
|
||
1565 | * <li><i>backColor</i>: background color.
|
||
1566 | * </ul>
|
||
1567 | * <li>If defined, the clip:
|
||
1568 | * <ul>
|
||
1569 | * <li><i>clipX</i>: X coordinate of the clip.
|
||
1570 | * <li><i>clipY</i>: Y coordinate of clip.
|
||
1571 | * <li><i>clipW</i>: width of the clip.
|
||
1572 | * <li><i>clipH</i>: height of the clip.
|
||
1573 | * </ul>
|
||
1574 | * <li><i>dist1pixel</i>: the distance in world coordinates equivalent to 1
|
||
1575 | * pixel in the view.
|
||
1576 | * <li><i>dist3pixel</i>: the distance in world coordinates equivalent to 3
|
||
1577 | * pixels in the view.
|
||
1578 | * <li><i>distanceUnits</i>: the distance measurement unit.
|
||
1579 | * <li>If defined, the extent:
|
||
1580 | * <ul>
|
||
1581 | * <li><i>extentX</i>: X coordinate of the extent.
|
||
1582 | * <li><i>extentY</i>: Y coordinate of the extent.
|
||
1583 | * <li><i>extentW</i>: width of the extent.
|
||
1584 | * <li><i>extentH</i>: height of the extent.
|
||
1585 | * </ul>
|
||
1586 | * <li><i>mapUnits</i>: the map measurement unit.
|
||
1587 | * <li><i>offsetX</i>: X coordinate of the offset.
|
||
1588 | * <li><i>offsetY</i>: Y coordinate of the offset.
|
||
1589 | * <li>If defined, the projection:
|
||
1590 | * <ul>
|
||
1591 | * <li>If its defined, the projection:
|
||
1592 | * <ul>
|
||
1593 | * <li><i>proj</i>: the projection.</li>
|
||
1594 | * </ul>
|
||
1595 | * </ul>
|
||
1596 | * <li><i>scale</i>: ratio between the size of <code>imageSize</code> and
|
||
1597 | * <code>extent</code>.
|
||
1598 | * </ul>
|
||
1599 | * <li>Child branches:
|
||
1600 | * <ul>
|
||
1601 | * <li>XML entity of the internal {@link ExtentHistory ExtentHistory} .
|
||
1602 | * </ul>
|
||
1603 | * </ul>
|
||
1604 | *
|
||
1605 | * @return the XML entity
|
||
1606 | * @see #createFromXML(XMLEntity)
|
||
1607 | */
|
||
1608 | public void saveToState(PersistentState state) throws PersistenceException { |
||
1609 | 40435 | jjdelcerro | |
1610 | 42170 | mcompany | state.set(FIELD_ADJUSTED_EXTENT, adjustedExtent); |
1611 | state.set(FIELD_BACK_COLOR, backColor); |
||
1612 | state.set(FIELD_CLIP, cliprect); |
||
1613 | state.set(FIELD_DIST1PIXEL, dist1pixel); |
||
1614 | state.set(FIELD_DIST3PIXEL, dist3pixel); |
||
1615 | state.set(FIELD_DISTANCE_UNITS, distanceUnits); |
||
1616 | state.set(FIELD_DISTANCE_AREA, distanceArea); |
||
1617 | 40435 | jjdelcerro | |
1618 | 42170 | mcompany | state.set(FIELD_EXTENT, extent); |
1619 | state.set(FIELD_EXTENTS, extentsHistory); |
||
1620 | 40435 | jjdelcerro | |
1621 | 42170 | mcompany | state.set(FIELD_MAP_UNITS, mapUnits); |
1622 | state.set(FIELD_OFFSET, offset); |
||
1623 | 40435 | jjdelcerro | |
1624 | 42170 | mcompany | state.set(FIELD_PROJ, proj); |
1625 | 40435 | jjdelcerro | |
1626 | 42170 | mcompany | state.set(FIELD_IMAGE_SIZE, imageSize); |
1627 | } |
||
1628 | 40435 | jjdelcerro | |
1629 | 42170 | mcompany | public void loadFromState(PersistentState state) throws PersistenceException { |
1630 | 40435 | jjdelcerro | |
1631 | 42170 | mcompany | adjustedExtent = (Rectangle2D) state.get(FIELD_ADJUSTED_EXTENT);
|
1632 | backColor = (Color) state.get(FIELD_BACK_COLOR);
|
||
1633 | cliprect = (Rectangle2D) state.get(FIELD_CLIP);
|
||
1634 | dist1pixel = state.getDouble(FIELD_DIST1PIXEL); |
||
1635 | dist3pixel = state.getDouble(FIELD_DIST3PIXEL); |
||
1636 | distanceUnits = state.getInt(FIELD_DISTANCE_UNITS); |
||
1637 | extentsHistory = (ExtentHistory) state.get(FIELD_EXTENTS); |
||
1638 | extent = (Rectangle2D) state.get(FIELD_EXTENT);
|
||
1639 | mapUnits = state.getInt(FIELD_MAP_UNITS); |
||
1640 | offset = (Point2D) state.get(FIELD_OFFSET);
|
||
1641 | proj = (IProjection) state.get(FIELD_PROJ); |
||
1642 | imageSize = (Dimension) state.get(FIELD_IMAGE_SIZE);
|
||
1643 | distanceArea = state.getInt(FIELD_DISTANCE_AREA); |
||
1644 | 40435 | jjdelcerro | |
1645 | 42170 | mcompany | refreshExtent(); |
1646 | } |
||
1647 | 40435 | jjdelcerro | |
1648 | 42170 | mcompany | public static class RegisterPersistence implements Callable { |
1649 | 40435 | jjdelcerro | |
1650 | 42170 | mcompany | public Object call() throws Exception { |
1651 | PersistenceManager manager = ToolsLocator.getPersistenceManager(); |
||
1652 | if (manager.getDefinition("ViewPort") == null) { |
||
1653 | DynStruct definition = manager.addDefinition(ViewPort.class, |
||
1654 | "ViewPort", "ViewPort Persistence definition", null, null); |
||
1655 | 40435 | jjdelcerro | |
1656 | 42170 | mcompany | definition.addDynFieldObject(FIELD_ADJUSTED_EXTENT) |
1657 | .setClassOfValue(Rectangle2D.class).setMandatory(false); |
||
1658 | 40435 | jjdelcerro | |
1659 | 42170 | mcompany | definition.addDynFieldObject(FIELD_BACK_COLOR) |
1660 | .setClassOfValue(Color.class).setMandatory(false); |
||
1661 | 40435 | jjdelcerro | |
1662 | 42170 | mcompany | definition.addDynFieldObject(FIELD_CLIP) |
1663 | .setClassOfValue(Rectangle2D.class).setMandatory(false); |
||
1664 | 40435 | jjdelcerro | |
1665 | 42170 | mcompany | definition.addDynFieldDouble(FIELD_DIST1PIXEL).setMandatory(true);
|
1666 | 40435 | jjdelcerro | |
1667 | 42170 | mcompany | definition.addDynFieldDouble(FIELD_DIST3PIXEL).setMandatory(true);
|
1668 | 40435 | jjdelcerro | |
1669 | 42170 | mcompany | definition.addDynFieldInt(FIELD_DISTANCE_UNITS).setMandatory(true);
|
1670 | 40435 | jjdelcerro | |
1671 | 42170 | mcompany | definition.addDynFieldInt(FIELD_DISTANCE_AREA).setMandatory(false);
|
1672 | 40435 | jjdelcerro | |
1673 | 42170 | mcompany | definition.addDynFieldObject(FIELD_EXTENT) |
1674 | .setClassOfValue(Rectangle2D.class).setMandatory(false); |
||
1675 | 40435 | jjdelcerro | |
1676 | 42170 | mcompany | definition.addDynFieldObject(FIELD_EXTENTS) |
1677 | .setClassOfValue(ExtentHistory.class).setMandatory(true);
|
||
1678 | 40435 | jjdelcerro | |
1679 | 42170 | mcompany | definition.addDynFieldInt(FIELD_MAP_UNITS).setMandatory(true);
|
1680 | 40435 | jjdelcerro | |
1681 | 42170 | mcompany | definition.addDynFieldObject(FIELD_OFFSET) |
1682 | .setClassOfValue(Point2D.class).setMandatory(false); |
||
1683 | 40435 | jjdelcerro | |
1684 | 42170 | mcompany | definition.addDynFieldObject(FIELD_PROJ) |
1685 | .setClassOfValue(IProjection.class).setMandatory(true);
|
||
1686 | |||
1687 | definition.addDynFieldObject(FIELD_IMAGE_SIZE) |
||
1688 | .setClassOfValue(Dimension.class).setMandatory(false); |
||
1689 | } |
||
1690 | return Boolean.TRUE; |
||
1691 | 40435 | jjdelcerro | } |
1692 | |||
1693 | 42170 | mcompany | } |
1694 | 40435 | jjdelcerro | |
1695 | 42170 | mcompany | /**
|
1696 | * Clone the view port without clone the listeners nor the extent history.
|
||
1697 | *
|
||
1698 | * @return the cloned view port
|
||
1699 | */
|
||
1700 | public Object clone() throws CloneNotSupportedException { |
||
1701 | 40435 | jjdelcerro | |
1702 | 42170 | mcompany | ViewPort clonedViewPort = (ViewPort) super.clone();
|
1703 | clonedViewPort.listeners = new ArrayList(); |
||
1704 | clonedViewPort.extentsHistory = new ExtentHistory();
|
||
1705 | |||
1706 | if (this.adjustedExtent != null) { |
||
1707 | clonedViewPort.adjustedExtent = (Rectangle2D) this.adjustedExtent.clone(); |
||
1708 | 40435 | jjdelcerro | } |
1709 | |||
1710 | 42170 | mcompany | if (this.cliprect != null) { |
1711 | clonedViewPort.cliprect = (Rectangle2D) this.cliprect.clone(); |
||
1712 | 40435 | jjdelcerro | } |
1713 | |||
1714 | 42170 | mcompany | if (this.extent != null) { |
1715 | clonedViewPort.extent = (Rectangle2D) this.extent.clone(); |
||
1716 | 40435 | jjdelcerro | } |
1717 | 42170 | mcompany | if (this.imageSize != null) { |
1718 | clonedViewPort.imageSize = (Dimension) this.imageSize.clone(); |
||
1719 | 40435 | jjdelcerro | } |
1720 | 42170 | mcompany | |
1721 | if (this.offset != null) { |
||
1722 | clonedViewPort.offset = (Point2D) this.offset.clone(); |
||
1723 | 41419 | jjdelcerro | } |
1724 | 42170 | mcompany | if (proj != null) { |
1725 | clonedViewPort.proj = (IProjection) this.proj.clone();
|
||
1726 | 41419 | jjdelcerro | } |
1727 | 42170 | mcompany | |
1728 | clonedViewPort.trans = (AffineTransform) this.trans.clone(); |
||
1729 | |||
1730 | return clonedViewPort;
|
||
1731 | } |
||
1732 | |||
1733 | /**
|
||
1734 | * <p>
|
||
1735 | * Returns a <code>String</code> representation of the main values of this
|
||
1736 | * view port: <code>{@linkplain #extent}</code>,
|
||
1737 | * <code>{@linkplain #adjustedExtent}</code>,
|
||
1738 | * <code>{@linkplain #imageSize}</code>, <code>{@linkplain #scale}</code>, and
|
||
1739 | * <code>{@linkplain #trans}</code>.
|
||
1740 | * </p>
|
||
1741 | *
|
||
1742 | * @return a <code>string</code> representation of the main values of this
|
||
1743 | * view port
|
||
1744 | */
|
||
1745 | public String toString() { |
||
1746 | |||
1747 | String str;
|
||
1748 | str = "Datos del viewPort:\nExtent=" + extent + "\nadjustedExtent=" |
||
1749 | + adjustedExtent + "\nimageSize=" + imageSize + "\nescale=" + scale |
||
1750 | + "\ntrans=" + trans;
|
||
1751 | |||
1752 | return str;
|
||
1753 | } |
||
1754 | |||
1755 | /**
|
||
1756 | * <p>
|
||
1757 | * Sets the position and size of the clipping rectangle.
|
||
1758 | * </p>
|
||
1759 | *
|
||
1760 | * @param rectView the clipping rectangle to set
|
||
1761 | */
|
||
1762 | public void setClipRect(Rectangle2D rectView) { |
||
1763 | this.updateDrawVersion();
|
||
1764 | cliprect = rectView; |
||
1765 | } |
||
1766 | |||
1767 | /**
|
||
1768 | * <p>
|
||
1769 | * Converts and returns the {@link Rectangle2D Rectangle2D}, that is in <i>map
|
||
1770 | * coordinates</i> to <i>screen coordinates</i> (pixels) using an <i>inverse
|
||
1771 | * transform</i> with the transformation affine information in the
|
||
1772 | * {@link #trans #trans} attribute.
|
||
1773 | * </p>
|
||
1774 | *
|
||
1775 | * @param r the 2D rectangle in <i>map coordinates</i>
|
||
1776 | * @return 2D rectangle equivalent in <i>screen coordinates</i> (pixels)
|
||
1777 | * @see #toMapRectangle(Rectangle2D)
|
||
1778 | * @see #fromMapDistance(double)
|
||
1779 | * @see #fromMapPoint(Point2D)
|
||
1780 | */
|
||
1781 | public Rectangle2D fromMapRectangle(Rectangle2D r) { |
||
1782 | Rectangle2D rect = new Rectangle2D.Double(); |
||
1783 | Point2D p1 = fromMapPoint((int) r.getX(), (int) r.getY()); |
||
1784 | Point2D p2 = fromMapPoint((int) r.getMaxX(), (int) r.getMaxY()); |
||
1785 | rect.setFrameFromDiagonal(p1, p2); |
||
1786 | return rect;
|
||
1787 | } |
||
1788 | |||
1789 | /**
|
||
1790 | * <p>
|
||
1791 | * Recalculates the current <code>{@linkplain #extent}</code> using an scale.
|
||
1792 | * It's necessary execute {@linkplain #refreshExtent()} after.
|
||
1793 | * </p>
|
||
1794 | *
|
||
1795 | * @param s the scale to set
|
||
1796 | * @deprecated since 07/09/07, use {@linkplain MapContext#setScaleView(long)}
|
||
1797 | */
|
||
1798 | public void setScale(long s) { |
||
1799 | double x = extent.getX();
|
||
1800 | double y = extent.getY();
|
||
1801 | double escalaX = imageSize.width / extent.getWidth();
|
||
1802 | // double w = imageSize.width / s;
|
||
1803 | // double h = imageSize.height / s;
|
||
1804 | double difw = escalaX / s;
|
||
1805 | |||
1806 | double x1 = (-x * difw) - x + extent.getWidth() / 2; |
||
1807 | double y1 = (-y * difw) - y + extent.getHeight() / 2; |
||
1808 | double w1 = extent.getWidth() * difw;
|
||
1809 | double h1 = extent.getHeight() * difw;
|
||
1810 | extent.setRect(-x1, -y1, w1, h1); |
||
1811 | } |
||
1812 | |||
1813 | public long getDrawVersion() { |
||
1814 | return this.drawVersion; |
||
1815 | } |
||
1816 | |||
1817 | protected void updateDrawVersion() { |
||
1818 | this.drawVersion++;
|
||
1819 | } |
||
1820 | |||
1821 | public Time getTime() { |
||
1822 | return time;
|
||
1823 | } |
||
1824 | |||
1825 | public void setTime(Time time) { |
||
1826 | this.time = time;
|
||
1827 | this.updateDrawVersion();
|
||
1828 | callTimeChanged(time); |
||
1829 | } |
||
1830 | |||
1831 | public double getDPI() { |
||
1832 | if (this.dpi == null) { |
||
1833 | return CompatLocator.getGraphicsUtils().getScreenDPI();
|
||
1834 | 41419 | jjdelcerro | } |
1835 | 42170 | mcompany | return this.dpi.doubleValue(); |
1836 | } |
||
1837 | |||
1838 | public void setDPI(double dpi) { |
||
1839 | this.dpi = new Double(dpi); |
||
1840 | } |
||
1841 | |||
1842 | public void setDPIToScreenDPI() { |
||
1843 | this.dpi = null; |
||
1844 | } |
||
1845 | 40435 | jjdelcerro | } |