root / branches / v10 / libraries / libFMap / src / com / iver / cit / gvsig / fmap / ViewPort.java @ 20332
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1 | 1100 | fjp | /* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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2 | *
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3 | * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
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4 | *
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5 | * This program is free software; you can redistribute it and/or
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6 | * modify it under the terms of the GNU General Public License
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7 | * as published by the Free Software Foundation; either version 2
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8 | * of the License, or (at your option) any later version.
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9 | *
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10 | * This program is distributed in the hope that it will be useful,
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11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 | * GNU General Public License for more details.
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14 | *
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15 | * You should have received a copy of the GNU General Public License
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16 | * along with this program; if not, write to the Free Software
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17 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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18 | *
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19 | * For more information, contact:
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20 | *
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21 | * Generalitat Valenciana
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22 | * Conselleria d'Infraestructures i Transport
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23 | * Av. Blasco Ib??ez, 50
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24 | * 46010 VALENCIA
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25 | * SPAIN
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26 | *
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27 | * +34 963862235
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28 | * gvsig@gva.es
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29 | * www.gvsig.gva.es
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30 | *
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31 | * or
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32 | *
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33 | * IVER T.I. S.A
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34 | * Salamanca 50
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35 | * 46005 Valencia
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36 | * Spain
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37 | *
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38 | * +34 963163400
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39 | * dac@iver.es
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40 | */
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41 | 213 | fernando | package com.iver.cit.gvsig.fmap; |
42 | |||
43 | import java.awt.Color; |
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44 | import java.awt.Dimension; |
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45 | 234 | fjp | import java.awt.Point; |
46 | 13585 | ppiqueras | import java.awt.Toolkit; |
47 | 213 | fernando | import java.awt.geom.AffineTransform; |
48 | 234 | fjp | import java.awt.geom.NoninvertibleTransformException; |
49 | 213 | fernando | import java.awt.geom.Point2D; |
50 | import java.awt.geom.Rectangle2D; |
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51 | import java.util.ArrayList; |
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52 | |||
53 | 3884 | caballero | import org.cresques.cts.GeoCalc; |
54 | import org.cresques.cts.IProjection; |
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55 | import org.cresques.cts.gt2.CSUTM; |
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56 | 346 | fernando | |
57 | 6164 | luisw2 | import com.iver.cit.gvsig.fmap.crs.CRSFactory; |
58 | 3884 | caballero | import com.iver.utiles.StringUtilities; |
59 | import com.iver.utiles.XMLEntity; |
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60 | |||
61 | 956 | vcaballero | /**
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62 | 20100 | jmvivo | * <p><code>ViewPort</code> class represents the logic needed to transform a rectangular area of a map
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63 | * to the available area in screen to display it.</p>
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64 | 20332 | vcaballero | *
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65 | 13635 | ppiqueras | * <p>Includes an affine transformation, between the rectangular area selected of the external map, in its own
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66 | 20100 | jmvivo | * <i>map coordinates</i>, to the rectangular area available of a view in <i>screen coordinates</i>.</p>
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67 | 20332 | vcaballero | *
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68 | 20100 | jmvivo | * <p>Elements:
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69 | 13585 | ppiqueras | * <ul>
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70 | * <li><i>extent</i>: the area selected of the map, in <i>map coordinates</i>.
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71 | * <li><i>imageSize</i>: width and height in pixels (<i>screen coordinates</i>) of the area available
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72 | 20332 | vcaballero | * in screen to display the area selected of the map.
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73 | 13585 | ppiqueras | * <li><i>adjustedExtent</i>: the area selected must be an scale of <i>imageSize</i>.<br>This implies adapt the
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74 | * extent, preserving and centering it, and adding around the needed area to fill all the image size. That
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75 | * added area will be extracted from the original map, wherever exists, and filled with the background color
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76 | 20332 | vcaballero | * wherever not.
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77 | 13585 | ppiqueras | * <li><i>scale</i>: the scale between the adjusted extent and the image size.
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78 | 20332 | vcaballero | * <li><i>backColor</i>: the default background color in the view, if there is no map.
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79 | 13585 | ppiqueras | * <li><i>trans</i>: the affine transformation.
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80 | 13635 | ppiqueras | * <li><i>proj</i>: map projection used in this view.
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81 | 20100 | jmvivo | * <li><i>distanceUnits</i>: distance measurement units, of data in screen.
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82 | * <li><i>mapUnits</i>: measurement units, of data in map.
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83 | 13585 | ppiqueras | * <li><i>extents</i>: an {@link ExtentHistory ExtentHistory} with the last previous extents.
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84 | 20100 | jmvivo | * <li><i>offset</i>: position in pixels of the available rectangular area, where start drawing the map.
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85 | 13585 | ppiqueras | * <li><i>dist1pixel</i>: the distance in <i>world coordinates</i> equivalent to 1 pixel in the view with the
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86 | * current extent.
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87 | * <li><i>dist3pixel</i>: the distance in <i>world coordinates</i> equivalent to 3 pixels in the view with the
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88 | * current extent.
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89 | 20332 | vcaballero | * <li><i>listeners</i>: list with the {@link ViewPortListener ViewPortListener} registered.
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90 | 13585 | ppiqueras | * </ul>
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91 | * </p>
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92 | 20332 | vcaballero | *
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93 | 956 | vcaballero | * @author Vicente Caballero Navarro
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94 | */
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95 | public class ViewPort { |
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96 | 13585 | ppiqueras | /**
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97 | * <p>Metric unit or length equal to 1000 meters.</p>
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98 | */
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99 | 956 | vcaballero | public static int KILOMETROS = 0; |
100 | 13585 | ppiqueras | |
101 | /**
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102 | * <p>The base unit of length in the International System of Units that is equal to the distance
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103 | * traveled by light in a vacuum in {frac;1;299,792,458} second or to about 39.37 inches.</p>
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104 | */
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105 | 956 | vcaballero | public static int METROS = 1; |
106 | 13585 | ppiqueras | |
107 | /**
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108 | * <p>Metric unit or length equal to 0'01 meters.</p>
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109 | */
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110 | 956 | vcaballero | public static int CENTIMETRO = 2; |
111 | 13585 | ppiqueras | |
112 | /**
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113 | * <p>Metric unit or length equal to 0'001 meters.</p>
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114 | */
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115 | 956 | vcaballero | public static int MILIMETRO = 3; |
116 | 13585 | ppiqueras | |
117 | /**
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118 | 20100 | jmvivo | * <p>The international statute mile by international agreement. It is defined to be precisely
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119 | 13682 | ppiqueras | * 1,760 international yards (by definition, 0.9144 m each) and is therefore exactly 1,609.344
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120 | * metres (1.609344 km).</p>
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121 | 13585 | ppiqueras | */
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122 | 956 | vcaballero | public static int MILLAS = 4; |
123 | 13585 | ppiqueras | |
124 | /**
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125 | 20332 | vcaballero | * <p>Unit of length equal in the United States to 0.9144 meter.</p>
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126 | 13585 | ppiqueras | */
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127 | 956 | vcaballero | public static int YARDAS = 5; |
128 | 13585 | ppiqueras | |
129 | /**
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130 | * <p>Any of various units of length based on the length of the human foot; especially :
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131 | * a unit equal to 1/3 yard and comprising 12 inches.</p>
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132 | */
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133 | 956 | vcaballero | public static int PIES = 6; |
134 | 13585 | ppiqueras | |
135 | /**
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136 | * <p>Unit of length equal to 1/36 yard.</p>
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137 | */
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138 | 956 | vcaballero | public static int PULGADAS = 7; |
139 | 13585 | ppiqueras | |
140 | /**
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141 | * <p>Grades according the current projection.</p>
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142 | */
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143 | 1443 | jmorell | public static int GRADOS = 8; |
144 | 435 | vcaballero | |
145 | 346 | fernando | /**
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146 | 13585 | ppiqueras | * <p>Screen resolution in <i>dots-per-inch</i>. Useful to calculate the geographic scale of the view.</p>
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147 | 20332 | vcaballero | *
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148 | 13585 | ppiqueras | * @see Toolkit#getScreenResolution()
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149 | * @see #getScale()
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150 | 346 | fernando | */
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151 | 13585 | ppiqueras | private static int dpi = java.awt.Toolkit.getDefaultToolkit().getScreenResolution(); |
152 | |||
153 | /**
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154 | * <p>Area selected by user using some tool.</p>
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155 | 20332 | vcaballero | *
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156 | 13585 | ppiqueras | * <p>When the zoom changes (for instance when using the zoom in or zoom out tools,
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157 | 13635 | ppiqueras | * but also zooming to a selected feature or shape) the extent that covers that
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158 | * area is the value returned by this method. It is not the actual area shown
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159 | * in the view because it does not care about the aspect ratio of the available
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160 | * area. However, any part of the real world contained in this extent is shown
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161 | * in the view.
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162 | 13585 | ppiqueras | * </p>
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163 | * <p>
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164 | * Probably this is not what you are looking for. If you are looking for
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165 | * the complete extent currently shown, you must use {@linkplain #getAdjustedExtent()} method
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166 | * which returns the extent that contains this one but regarding the current
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167 | * view's aspect ratio.
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168 | * </p>
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169 | 20332 | vcaballero | *
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170 | 13585 | ppiqueras | * @see #getExtent()
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171 | 13635 | ppiqueras | * @see #setExtent(Rectangle2D)
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172 | 13585 | ppiqueras | */
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173 | 956 | vcaballero | private Rectangle2D extent; |
174 | 13585 | ppiqueras | |
175 | /**
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176 | * <p>Location and dimensions of the extent adjusted to the image size.</p>
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177 | 20332 | vcaballero | *
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178 | 13585 | ppiqueras | * @see #getAdjustedExtent()
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179 | */
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180 | 956 | vcaballero | private Rectangle2D adjustedExtent; |
181 | 13585 | ppiqueras | |
182 | /**
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183 | * <p>History with the last extents of the view.</p>
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184 | 20332 | vcaballero | *
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185 | 13585 | ppiqueras | * @see #setPreviousExtent()
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186 | * @see #getExtents()
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187 | */
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188 | 956 | vcaballero | private ExtentHistory extents = new ExtentHistory(); |
189 | 13585 | ppiqueras | |
190 | /**
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191 | * <p>Size in <i>screen coordinates</i> of the rectangle where the image is displayed.</p>
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192 | 13635 | ppiqueras | * <p>Used by {@linkplain #calculateAffineTransform()} to calculate:<br>
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193 | 20332 | vcaballero | *
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194 | 13585 | ppiqueras | * <ul>
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195 | * <li>The new {@link #scale scale} .
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196 | * <li>The new {@link #adjustedExtent adjustableExtent} .
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197 | * <li>The new {@link #trans trans} .
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198 | * <li>The new real world coordinates equivalent to 1 pixel ({@link #dist1pixel dist1pixel}) .
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199 | * <li>The new real world coordinates equivalent to 3 pixels ({@link #dist3pixel dist3pixel}) .
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200 | * </ul>
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201 | * </p>
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202 | 20332 | vcaballero | *
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203 | 13585 | ppiqueras | * @see #getImageSize()
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204 | * @see #getImageHeight()
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205 | * @see #getImageWidth()
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206 | * @see #setImageSize(Dimension)
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207 | */
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208 | 956 | vcaballero | private Dimension imageSize; |
209 | 13585 | ppiqueras | |
210 | /**
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211 | 13635 | ppiqueras | * <p>the affine transformation between the {@link #extent extent} in <i>map 2D coordinates</i> to
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212 | * the image area in the screen, in <i>screen 2D coordinates</i> (pixels).</p>
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213 | 20332 | vcaballero | *
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214 | 13585 | ppiqueras | * @see AffineTransform
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215 | 20332 | vcaballero | *
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216 | 13585 | ppiqueras | * @see #getAffineTransform()
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217 | * @see #setAffineTransform(AffineTransform)
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218 | * @see #calculateAffineTransform()
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219 | */
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220 | 956 | vcaballero | private AffineTransform trans = new AffineTransform(); |
221 | 13585 | ppiqueras | |
222 | /**
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223 | * <p>Measurement unit used for measuring distances and displaying information.</p>
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224 | 20332 | vcaballero | *
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225 | 13585 | ppiqueras | * @see #getDistanceUnits()
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226 | * @see #setDistanceUnits(int)
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227 | */
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228 | 213 | fernando | private int distanceUnits = METROS; |
229 | 13585 | ppiqueras | |
230 | /**
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231 | * <p>Measurement unit used by this view port for the map.</p>
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232 | 20332 | vcaballero | *
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233 | 13585 | ppiqueras | * @see #getMapUnits()
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234 | * @see #setMapUnits(int)
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235 | */
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236 | 213 | fernando | private int mapUnits = METROS; |
237 | 13585 | ppiqueras | |
238 | /**
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239 | * <p>Array with the {@link ViewPortListener ViewPortListener}s registered to this view port.</p>
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240 | 20332 | vcaballero | *
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241 | 13585 | ppiqueras | * @see #addViewPortListener(ViewPortListener)
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242 | * @see #removeViewPortListener(ViewPortListener)
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243 | */
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244 | 1197 | fernando | private ArrayList listeners = new ArrayList(); |
245 | 13585 | ppiqueras | |
246 | /**
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247 | * <p>The offset is the position where start drawing the map.</p>
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248 | * <p>The offset of a <a href="http://www.gvsig.gva.es/">gvSIG</a>'s <i>View</i> is
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249 | * always (0, 0) because the drawing area fits with the full window area. But in
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250 | * a <a href="http://www.gvsig.gva.es/">gvSIG</a>'s <i>Layout</i> it's up to the place where
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251 | * the <code>FFrameView</code> is located.</p>
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252 | 20332 | vcaballero | *
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253 | 13585 | ppiqueras | * @see #getOffset()
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254 | * @see #setOffset(Point2D)
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255 | */
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256 | 956 | vcaballero | private Point2D offset = new Point2D.Double(0, 0); |
257 | 13585 | ppiqueras | |
258 | /**
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259 | * <p>Clipping area.</p>
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260 | */
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261 | 956 | vcaballero | private Rectangle2D clip; |
262 | 13585 | ppiqueras | |
263 | /**
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264 | * <p>Background color of this view.</p>
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265 | 20332 | vcaballero | *
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266 | 13585 | ppiqueras | * @see #getBackColor()
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267 | * @see #setBackColor(Color)
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268 | */
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269 | 1282 | fjp | private Color backColor = null; //Color.WHITE; |
270 | 13585 | ppiqueras | |
271 | /**
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272 | * <p>Information about the map projection used in this view.</p>
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273 | 20332 | vcaballero | *
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274 | 13585 | ppiqueras | * @see #getProjection()
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275 | * @see #setProjection(IProjection)
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276 | */
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277 | 346 | fernando | private IProjection proj;
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278 | 13585 | ppiqueras | |
279 | /**
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280 | * <p>Represents the distance in <i>world coordinates</i> equivalent to 1 pixel in the view with the current extent.</p>
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281 | 20332 | vcaballero | *
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282 | 13585 | ppiqueras | * @see #getDist1pixel()
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283 | * @see #setDist1pixel(double)
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284 | */
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285 | 956 | vcaballero | private double dist1pixel; |
286 | 13585 | ppiqueras | |
287 | /**
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288 | * <p>Represents the distance in <i>world coordinates</i> equivalent to 3 pixels in the view with the current extent.</p>
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289 | 20332 | vcaballero | *
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290 | 13585 | ppiqueras | * @see #getDist3pixel()
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291 | * @see #setDist3pixel(double)
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292 | */
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293 | 956 | vcaballero | private double dist3pixel; |
294 | 13585 | ppiqueras | |
295 | /**
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296 | * <p>Ratio between the size of <code>imageSize</code> and <code>extent</code>:<br> <i><pre>min{(imageSize.getHeight()/extent.getHeight(), imageSize.getWidth()/extent.getWidth())}</pre></i></p>
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297 | */
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298 | 213 | fernando | private double scale; |
299 | 13585 | ppiqueras | |
300 | /**
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301 | * <p>Clipping area.</p>
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302 | 20332 | vcaballero | *
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303 | 13585 | ppiqueras | * @see #setClipRect(Rectangle2D)
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304 | */
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305 | 3683 | caballero | private Rectangle2D cliprect; |
306 | 13585 | ppiqueras | |
307 | /**
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308 | * <p>Enables or disables the <i>"adjustable extent"</i> mode.</p>
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309 | 20332 | vcaballero | *
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310 | 13585 | ppiqueras | * <p>
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311 | * When calculates the affine transform, if
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312 | * <ul>
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313 | * <li><i>enabled</i>: the new <code>adjustedExtent</code> will have the (X, Y) coordinates of the <code>extent</code> and
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314 | 13635 | ppiqueras | * an area that will be an scale of the image size. That area will have different
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315 | * height or width (not both) of the extent according the least ratio (height or width) in <pre>image.size/extent.size"</pre>.
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316 | 13585 | ppiqueras | * <li><i>disabled</i>: the new <code>adjustedExtent</code> will be like <code>extent</code>.
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317 | * </ul>
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318 | * </p>
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319 | 20332 | vcaballero | *
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320 | 13585 | ppiqueras | * @see #setAdjustable(boolean)
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321 | */
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322 | 8765 | jjdelcerro | private boolean adjustableExtent=true; |
323 | 20332 | vcaballero | /**
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324 | * <p>Measurement unit used for measuring areas and displaying information.</p>
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325 | *
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326 | * @see #getDistanceArea()
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327 | * @see #setDistanceArea(int)
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328 | */
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329 | private int distanceArea = 0; |
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330 | 956 | vcaballero | |
331 | /**
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332 | 13585 | ppiqueras | * <p>Creates a new view port with the information of the projection in <code>proj</code> argument, and
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333 | 13635 | ppiqueras | * default configuration:</p>
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334 | * <p>
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335 | 13585 | ppiqueras | * <ul>
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336 | * <li><i><code>distanceUnits</code></i> = meters
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337 | * <li><i><code>mapUnits</code></i> = meters
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338 | * <li><i><code>backColor</code></i> = <i>undefined</i>
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339 | * <li><i><code>offset</code></i> = <code>new Point2D.Double(0, 0);</code>
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340 | * </ul>
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341 | * </p>
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342 | *
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343 | * @param proj information of the projection for this view port
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344 | 956 | vcaballero | */
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345 | public ViewPort(IProjection proj) {
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346 | 867 | fjp | // Por defecto
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347 | 956 | vcaballero | this.proj = proj;
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348 | 867 | fjp | } |
349 | 213 | fernando | |
350 | 956 | vcaballero | /**
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351 | 13585 | ppiqueras | * <p>Changes the status of the <i>"adjustable extent"</i> option to enabled or disabled.</p>
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352 | 20332 | vcaballero | *
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353 | 20100 | jmvivo | * <p>If view port isn't adjustable, won't bear in mind the aspect ratio of the available rectangular area to
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354 | * calculate the affine transform from the original map in real coordinates. (Won't scale the image to adapt
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355 | * it to the available rectangular area).</p>
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356 | 20332 | vcaballero | *
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357 | 13585 | ppiqueras | * @param boolean the boolean to be set
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358 | 8765 | jjdelcerro | */
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359 | public void setAdjustable(boolean adjustable) { |
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360 | adjustableExtent = adjustable; |
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361 | } |
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362 | |||
363 | /**
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364 | 13585 | ppiqueras | * <p>Appends the specified {@link ViewPortListener ViewPortListener} listener if weren't.</p>
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365 | 20332 | vcaballero | *
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366 | 13585 | ppiqueras | * @param arg0 the listener to add
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367 | 956 | vcaballero | *
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368 | 13585 | ppiqueras | * @return <code>true</code> if has been added successfully
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369 | 20332 | vcaballero | *
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370 | 13585 | ppiqueras | * @see #removeViewPortListener(ViewPortListener)
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371 | 956 | vcaballero | */
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372 | 1197 | fernando | public boolean addViewPortListener(ViewPortListener arg0) { |
373 | 8765 | jjdelcerro | if (!listeners.contains(arg0))
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374 | return listeners.add(arg0);
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375 | return false; |
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376 | 213 | fernando | } |
377 | |||
378 | 956 | vcaballero | /**
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379 | 20100 | jmvivo | * <p>Removes the specified {@link ViewPortListener ViewPortListener} listener, if existed.</p>
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380 | 20332 | vcaballero | *
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381 | 20100 | jmvivo | * @param arg0 the listener to remove
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382 | 20332 | vcaballero | *
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383 | 20100 | jmvivo | * @return <code>true</code> if the contained the specified listener.
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384 | 20332 | vcaballero | *
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385 | 13585 | ppiqueras | * @see #addViewPortListener(ViewPortListener)
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386 | 956 | vcaballero | */
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387 | 1197 | fernando | public boolean removeViewPortListener(ViewPortListener arg0) { |
388 | return listeners.remove(arg0);
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389 | 213 | fernando | } |
390 | |||
391 | 956 | vcaballero | /**
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392 | 20100 | jmvivo | * <p>Converts and returns the distance <code>d</code>, that is in <i>map
|
393 | 13635 | ppiqueras | * coordinates</i> to <i>screen coordinates</i> using a <i>delta transform</i> with
|
394 | 13585 | ppiqueras | * the transformation affine information in the {@link #trans #trans} attribute.</p>
|
395 | 956 | vcaballero | *
|
396 | 13585 | ppiqueras | * @param d distance in <i>map coordinates</i>
|
397 | 956 | vcaballero | *
|
398 | 13635 | ppiqueras | * @return distance equivalent in <i>screen coordinates</i>
|
399 | 20332 | vcaballero | *
|
400 | 13585 | ppiqueras | * @see #toMapDistance(int)
|
401 | * @see AffineTransform#deltaTransform(Point2D, Point2D)S
|
||
402 | 956 | vcaballero | */
|
403 | public int fromMapDistance(double d) { |
||
404 | Point2D.Double pWorld = new Point2D.Double(1, 1); |
||
405 | Point2D.Double pScreen = new Point2D.Double(); |
||
406 | 234 | fjp | |
407 | 956 | vcaballero | try {
|
408 | trans.deltaTransform(pWorld, pScreen); |
||
409 | } catch (Exception e) { |
||
410 | System.err.print(e.getMessage());
|
||
411 | } |
||
412 | 213 | fernando | |
413 | 956 | vcaballero | return (int) (d * pScreen.x); |
414 | } |
||
415 | 234 | fjp | |
416 | 956 | vcaballero | /**
|
417 | 20100 | jmvivo | * <p>Converts and returns the distance <code>d</code>, that is in <i>screen
|
418 | 13635 | ppiqueras | * coordinates</i> to <i>map coordinates</i> using the transformation affine information
|
419 | 13585 | ppiqueras | * in the {@link #trans #trans} attribute.</p>
|
420 | 956 | vcaballero | *
|
421 | 13585 | ppiqueras | * @param d distance in pixels
|
422 | 956 | vcaballero | *
|
423 | 13635 | ppiqueras | * @return distance equivalent in <i>map coordinates</i>
|
424 | 20332 | vcaballero | *
|
425 | 13585 | ppiqueras | * @see #fromMapDistance(double)
|
426 | * @see AffineTransform
|
||
427 | 956 | vcaballero | */
|
428 | 13585 | ppiqueras | public double toMapDistance(int d) { |
429 | double dist = d / trans.getScaleX();
|
||
430 | |||
431 | return dist;
|
||
432 | } |
||
433 | |||
434 | /**
|
||
435 | * <p>Converts and returns the {@link Rectangle2D Rectangle2D}, that is in <i>map
|
||
436 | 13635 | ppiqueras | * coordinates</i> to <i>screen coordinates</i> (pixels) using an <i>inverse transform</i> with
|
437 | 13585 | ppiqueras | * the transformation affine information in the {@link #trans #trans} attribute.</p>
|
438 | 20332 | vcaballero | *
|
439 | 13585 | ppiqueras | * @param r the 2D rectangle in <i>map coordinates</i>
|
440 | * @return 2D rectangle equivalent in <i>screen coordinates</i> (pixels)
|
||
441 | 20332 | vcaballero | *
|
442 | 13585 | ppiqueras | * @see #toMapRectangle(Rectangle2D)
|
443 | * @see #fromMapDistance(double)
|
||
444 | * @see #fromMapPoint(Point2D)
|
||
445 | */
|
||
446 | public Rectangle2D fromMapRectangle(Rectangle2D r) { |
||
447 | double w=fromMapDistance((int)r.getWidth()); |
||
448 | double h=fromMapDistance((int)r.getHeight()); |
||
449 | Point2D p1=fromMapPoint((int)r.getX(),(int)r.getY()); |
||
450 | return new Rectangle2D.Double(p1.getX(),p1.getY(),w,h); |
||
451 | } |
||
452 | 20332 | vcaballero | |
453 | 13585 | ppiqueras | /**
|
454 | * <p>Converts and returns the {@link Rectangle2D Rectangle2D}, that is in <i>screen
|
||
455 | 13635 | ppiqueras | * coordinates</i> (pixels) to <i>map coordinates</i> using {@linkplain #toMapDistance(int)},
|
456 | * and {@linkplain #toMapPoint(int, int)}.</p>
|
||
457 | 20332 | vcaballero | *
|
458 | 13585 | ppiqueras | * @param r the 2D rectangle in <i>screen coordinates</i> (pixels)
|
459 | * @return 2D rectangle equivalent in <i>map coordinates</i>
|
||
460 | 20332 | vcaballero | *
|
461 | 13585 | ppiqueras | * @see #fromMapRectangle(Rectangle2D)
|
462 | * @see #toMapDistance(int)
|
||
463 | * @see #toMapPoint(int, int)
|
||
464 | */
|
||
465 | public Rectangle2D toMapRectangle(Rectangle2D r){ |
||
466 | double w=toMapDistance((int)r.getWidth()); |
||
467 | double h=toMapDistance((int)r.getHeight()); |
||
468 | Point2D p1=toMapPoint((int)r.getX(),(int)r.getY()); |
||
469 | return new Rectangle2D.Double(p1.getX(),p1.getY(),w,h); |
||
470 | } |
||
471 | 20332 | vcaballero | |
472 | 13585 | ppiqueras | /**
|
473 | * <p>Converts and returns the 2D point <code>(x,y)</code>, that is in <i>map
|
||
474 | 20332 | vcaballero | * coordinates</i> to <i>screen coordinates</i> (pixels) using
|
475 | 13635 | ppiqueras | * the affine transformation in the {@link #trans #trans} attribute.</p>
|
476 | 13585 | ppiqueras | *
|
477 | * @param x the <code>x</code> <i>map coordinate</i> of a 2D point
|
||
478 | * @param y the <code>y</code> <i>map coordinate</i> of a 2D point
|
||
479 | *
|
||
480 | 13635 | ppiqueras | * @return 2D point equivalent in <i>screen coordinates</i> (pixels)
|
481 | 20332 | vcaballero | *
|
482 | 13585 | ppiqueras | * @see #fromMapPoint(Point2D)
|
483 | * @see AffineTransform#transform(Point2D, Point2D)
|
||
484 | */
|
||
485 | 956 | vcaballero | public Point2D fromMapPoint(double x, double y) { |
486 | Point2D.Double pWorld = new Point2D.Double(x, y); |
||
487 | Point2D.Double pScreen = new Point2D.Double(); |
||
488 | 234 | fjp | |
489 | 956 | vcaballero | try {
|
490 | trans.transform(pWorld, pScreen); |
||
491 | } catch (Exception e) { |
||
492 | System.err.print(e.getMessage());
|
||
493 | } |
||
494 | 213 | fernando | |
495 | 956 | vcaballero | return pScreen;
|
496 | } |
||
497 | 1036 | vcaballero | |
498 | /**
|
||
499 | 13585 | ppiqueras | * <p>Converts and returns the 2D point argument, that is in <i>map
|
500 | 13635 | ppiqueras | * coordinates</i> to <i>screen coordinates</i> (pixels) using
|
501 | * the affine transformation in the {@link #trans #trans} attribute.</p>
|
||
502 | 1036 | vcaballero | *
|
503 | 13585 | ppiqueras | * @param point the 2D point in <i>map coordinates</i>
|
504 | 1036 | vcaballero | *
|
505 | 13635 | ppiqueras | * @return 2D point equivalent in <i>screen coordinates</i> (pixels)
|
506 | 20332 | vcaballero | *
|
507 | 13585 | ppiqueras | * @see #toMapPoint(Point2D)
|
508 | * @see #fromMapPoint(double, double)
|
||
509 | 1036 | vcaballero | */
|
510 | 1004 | vcaballero | public Point2D fromMapPoint(Point2D point) { |
511 | 1036 | vcaballero | return fromMapPoint(point.getX(), point.getY());
|
512 | 1004 | vcaballero | } |
513 | 213 | fernando | |
514 | 956 | vcaballero | /**
|
515 | 13635 | ppiqueras | * <p>Converts and returns the 2D point <code>(x,y)</code>, that is in <i>screen coordinates</i>
|
516 | * (pixels) to <i>map coordinates</i> using
|
||
517 | * the affine transformation in the {@link #trans #trans} attribute.</p>
|
||
518 | 956 | vcaballero | *
|
519 | 13585 | ppiqueras | * @param x the <code>x</code> <i>screen coordinate</i> of a 2D point
|
520 | * @param y the <code>y</code> <i>screen coordinate</i> of a 2D point
|
||
521 | 956 | vcaballero | *
|
522 | 13635 | ppiqueras | * @return 2D point equivalent in <i>map coordinates</i>
|
523 | 20332 | vcaballero | *
|
524 | 13585 | ppiqueras | * @see #toMapPoint(Point2D)
|
525 | * @see #fromMapPoint(double, double)
|
||
526 | 956 | vcaballero | */
|
527 | public Point2D toMapPoint(int x, int y) { |
||
528 | Point pScreen = new Point(x, y); |
||
529 | 213 | fernando | |
530 | 956 | vcaballero | return toMapPoint(pScreen);
|
531 | } |
||
532 | 234 | fjp | |
533 | 956 | vcaballero | /**
|
534 | 13635 | ppiqueras | * <p>Converts and returns the 2D point argument, that is in <i>screen coordinates</i>
|
535 | * (pixels) to <i>map coordinates</i> using the
|
||
536 | * inverse affine transformation of the {@link #trans #trans} attribute.</p>
|
||
537 | 20332 | vcaballero | *
|
538 | 13585 | ppiqueras | * @param pScreen the 2D point in <i>screen coordinates</i> (pixels)
|
539 | 956 | vcaballero | *
|
540 | 13635 | ppiqueras | * @return 2D point equivalent in <i>map coordinates</i>
|
541 | 20332 | vcaballero | *
|
542 | 13585 | ppiqueras | * @see #toMapPoint(int, int)
|
543 | * @see AffineTransform#createInverse()
|
||
544 | * @see AffineTransform#transform(Point2D, Point2D)
|
||
545 | 956 | vcaballero | */
|
546 | public Point2D toMapPoint(Point2D pScreen) { |
||
547 | Point2D.Double pWorld = new Point2D.Double(); |
||
548 | AffineTransform at;
|
||
549 | 20332 | vcaballero | |
550 | 956 | vcaballero | try {
|
551 | at = trans.createInverse(); |
||
552 | at.transform(pScreen, pWorld); |
||
553 | } catch (NoninvertibleTransformException e) { |
||
554 | throw new RuntimeException(e); |
||
555 | } |
||
556 | 20332 | vcaballero | |
557 | 956 | vcaballero | return pWorld;
|
558 | } |
||
559 | 1036 | vcaballero | |
560 | 999 | luisw | /**
|
561 | 13682 | ppiqueras | * <p>Returns the real distance (in <i>world coordinates</i>) at the graphic layers of two 2D points
|
562 | * (in <i>map coordinates</i>) of the plane where is selected the <i>extent</i>.</p>
|
||
563 | * <p>If the projection of this view is UTM, considers the Earth curvature.</p>
|
||
564 | 1036 | vcaballero | *
|
565 | 13585 | ppiqueras | * @param pt1 a 2D point in <i>map coordinates</i>
|
566 | * @param pt2 another 2D point in <i>map coordinates</i>
|
||
567 | 1036 | vcaballero | *
|
568 | 13585 | ppiqueras | * @return the distance in meters between the two points 2D
|
569 | 20332 | vcaballero | *
|
570 | 13585 | ppiqueras | * @see GeoCalc#distanceVincenty(Point2D, Point2D)
|
571 | 999 | luisw | */
|
572 | public double distanceWorld(Point2D pt1, Point2D pt2) { |
||
573 | double dist = -1; |
||
574 | dist = pt1.distance(pt2); |
||
575 | 1036 | vcaballero | |
576 | if ((proj != null) && !(proj instanceof CSUTM)) { |
||
577 | dist = new GeoCalc(proj).distanceVincenty(proj.toGeo(pt1),
|
||
578 | proj.toGeo(pt2)); |
||
579 | } |
||
580 | |||
581 | 9446 | caballero | return dist*MapContext.CHANGEM[getMapUnits()];
|
582 | 999 | luisw | } |
583 | 213 | fernando | |
584 | 956 | vcaballero | /**
|
585 | 13635 | ppiqueras | * <p>Sets as extent and adjusted extent of this view port, the previous. Recalculating
|
586 | * its parameters.</p>
|
||
587 | 20332 | vcaballero | *
|
588 | 13585 | ppiqueras | * @see #getExtents()
|
589 | * @see #calculateAffineTransform()
|
||
590 | 956 | vcaballero | */
|
591 | public void setPreviousExtent() { |
||
592 | extent = extents.removePrev(); |
||
593 | 918 | fernando | |
594 | 956 | vcaballero | //Calcula la transformaci?n af?n
|
595 | calculateAffineTransform(); |
||
596 | 680 | fernando | |
597 | 956 | vcaballero | // Lanzamos los eventos de extent cambiado
|
598 | 3683 | caballero | callExtentChanged(getAdjustedExtent()); |
599 | 956 | vcaballero | } |
600 | 213 | fernando | |
601 | 956 | vcaballero | /**
|
602 | 13585 | ppiqueras | * <p>Gets the area selected by user using some tool.</p>
|
603 | 20332 | vcaballero | *
|
604 | 20100 | jmvivo | * <p>When the zoom changes (for instance using the <i>zoom in</i> or <i>zoom out</i> tools,
|
605 | 13585 | ppiqueras | * but also zooming to a selected feature or shape) the extent that covers that
|
606 | * area is the value returned by this method. It is not the actual area shown
|
||
607 | * because it doesn't care about the aspect ratio of the image size of the view. However, any
|
||
608 | * part of the real world contained in this extent is shown in the view.</p>
|
||
609 | 20332 | vcaballero | *
|
610 | 13585 | ppiqueras | * <p>If you are looking for the complete extent currently shown, you must use the
|
611 | * {@linkplain #getAdjustedExtent()} method.</p>
|
||
612 | 20332 | vcaballero | *
|
613 | 13585 | ppiqueras | * @return the current extent
|
614 | 20332 | vcaballero | *
|
615 | 13585 | ppiqueras | * @see #setExtent(Rectangle2D)
|
616 | * @see #getAdjustedExtent()
|
||
617 | * @see #setPreviousExtent()
|
||
618 | * @see #getExtents()
|
||
619 | 956 | vcaballero | */
|
620 | public Rectangle2D getExtent() { |
||
621 | return extent;
|
||
622 | } |
||
623 | 213 | fernando | |
624 | /**
|
||
625 | 20100 | jmvivo | * <p>Changes the <i>extent</i> and <i>adjusted extent</i> of this view port:<br>
|
626 | 13585 | ppiqueras | * <ul>
|
627 | * <li>Stores the previous extent.
|
||
628 | * <li>Calculates the new extent using <code>r</code>:
|
||
629 | * <pre>extent = new Rectangle2D.Double(r.getMinX() - 0.1, r.getMinY() - 0.1, r.getWidth() + 0.2, r.getHeight() + 0.2);</pre>
|
||
630 | * <li>Executes {@linkplain #calculateAffineTransform()}: getting the new scale, adjusted extent, affine transformation between
|
||
631 | * map and screen coordinates, the real world coordinates equivalent to 1 pixel, and the real world coordinates equivalent to 3 pixels.
|
||
632 | 20100 | jmvivo | * <li>Notifies all {@link ViewPortListener ViewPortListener} registered that the extent has changed.
|
633 | 13585 | ppiqueras | * </ul>
|
634 | * </p>
|
||
635 | 956 | vcaballero | *
|
636 | 13585 | ppiqueras | * @param r the new extent
|
637 | 20332 | vcaballero | *
|
638 | 13585 | ppiqueras | * @see #getExtent()
|
639 | * @see #getExtents()
|
||
640 | * @see #calculateAffineTransform()
|
||
641 | * @see #setPreviousExtent()
|
||
642 | 956 | vcaballero | */
|
643 | public void setExtent(Rectangle2D r) { |
||
644 | if (extent != null) { |
||
645 | extents.put(extent); |
||
646 | } |
||
647 | |||
648 | 3884 | caballero | //Esto comprueba que el extent no es de anchura o altura = "0"
|
649 | 956 | vcaballero | //y si es as? lo redimensiona.
|
650 | 2409 | caballero | if (r!=null &&((r.getWidth() == 0) || (r.getHeight() == 0))) { |
651 | 956 | vcaballero | extent = new Rectangle2D.Double(r.getMinX() - 0.1, |
652 | r.getMinY() - 0.1, r.getWidth() + 0.2, r.getHeight() + 0.2); |
||
653 | } else {
|
||
654 | extent = r; |
||
655 | } |
||
656 | |||
657 | //Calcula la transformaci?n af?n
|
||
658 | calculateAffineTransform(); |
||
659 | |||
660 | // Lanzamos los eventos de extent cambiado
|
||
661 | 3683 | caballero | callExtentChanged(getAdjustedExtent()); |
662 | 956 | vcaballero | } |
663 | |||
664 | /**
|
||
665 | 20100 | jmvivo | * <p>Changes the <i>extent</i> and <i>adjusted extent</i> of this view port:<br>
|
666 | 13585 | ppiqueras | * <ul>
|
667 | * <li>Executes {@linkplain #calculateAffineTransform()}: getting the new scale, adjusted extent, affine transformation between
|
||
668 | * map and screen coordinates, the real world coordinates equivalent to 1 pixel, and the real world coordinates equivalent to 3 pixels.
|
||
669 | 20100 | jmvivo | * <li>Notifies to all {@link ViewPortListener ViewPortListener} registered that the extent has changed.
|
670 | 13585 | ppiqueras | * </ul>
|
671 | * </p>
|
||
672 | 20332 | vcaballero | *
|
673 | 13585 | ppiqueras | * @see #setExtent(Rectangle2D)
|
674 | * @see #calculateAffineTransform()
|
||
675 | 956 | vcaballero | */
|
676 | 6630 | caballero | public void refreshExtent() { |
677 | 1135 | vcaballero | //this.scale = scale;
|
678 | 956 | vcaballero | |
679 | //Calcula la transformaci?n af?n
|
||
680 | calculateAffineTransform(); |
||
681 | |||
682 | // Lanzamos los eventos de extent cambiado
|
||
683 | 3683 | caballero | callExtentChanged(getAdjustedExtent()); |
684 | 956 | vcaballero | } |
685 | |||
686 | /**
|
||
687 | 13585 | ppiqueras | * <p>Calculates and returns using the current projection of this view port, the scale that
|
688 | * is the extent in <i>screen coordinates</i> from the image in <i>map coordinates</i>.</p>
|
||
689 | 956 | vcaballero | *
|
690 | 13585 | ppiqueras | * @return the scale <i>extent / image size</i> projected by this view port
|
691 | 20332 | vcaballero | *
|
692 | 13585 | ppiqueras | * @deprecated since 07/09/07, use {@linkplain MapContext#getScaleView()}
|
693 | 213 | fernando | */
|
694 | 956 | vcaballero | public double getScale() { |
695 | return proj.getScale(extent.getMinX(), extent.getMaxX(),
|
||
696 | imageSize.getWidth(), dpi); |
||
697 | } |
||
698 | |||
699 | /**
|
||
700 | 13635 | ppiqueras | * <p>Recalculates the current <code>{@linkplain #extent}</code> using an scale. It's necessary execute {@linkplain #refreshExtent()} after.</p>
|
701 | 20332 | vcaballero | *
|
702 | 13585 | ppiqueras | * @param s the scale to set
|
703 | 20332 | vcaballero | *
|
704 | * @deprecated since 07/09/07, use {@linkplain MapContext#setScaleView(long)}
|
||
705 | 13585 | ppiqueras | */
|
706 | public void setScale(long s){ |
||
707 | double x=extent.getX();
|
||
708 | double y=extent.getY();
|
||
709 | double escalaX = imageSize.getWidth() / extent.getWidth();
|
||
710 | double w=imageSize.getWidth() / s;
|
||
711 | double h=imageSize.getHeight() / s;
|
||
712 | double difw = escalaX/s;
|
||
713 | |||
714 | double x1 = (-x * difw) -
|
||
715 | x+ |
||
716 | extent.getWidth()/2;
|
||
717 | double y1 = (-y * difw) -
|
||
718 | y + |
||
719 | extent.getHeight()/2;
|
||
720 | double w1=extent.getWidth()*difw;
|
||
721 | double h1=extent.getHeight()*difw;
|
||
722 | extent.setRect(-x1,-y1,w1,h1); |
||
723 | 20332 | vcaballero | } |
724 | 13585 | ppiqueras | |
725 | /**
|
||
726 | * <p>Affine transformation between <i>map 2D coordinates</i> to <i>screen 2D coordinates</i> (pixels),
|
||
727 | 20100 | jmvivo | * preserving the "straightness" and "parallelism" of the lines.</p>
|
728 | 956 | vcaballero | *
|
729 | 13585 | ppiqueras | * @return the affine transformation
|
730 | 20332 | vcaballero | *
|
731 | 13585 | ppiqueras | * @see #setAffineTransform(AffineTransform)
|
732 | * @see #calculateAffineTransform()
|
||
733 | 956 | vcaballero | */
|
734 | 213 | fernando | public AffineTransform getAffineTransform() { |
735 | return trans;
|
||
736 | } |
||
737 | 956 | vcaballero | |
738 | 213 | fernando | /**
|
739 | 13585 | ppiqueras | * <p>Returns the size of the image projected.</p>
|
740 | 956 | vcaballero | *
|
741 | 13585 | ppiqueras | * @return the image size
|
742 | 20332 | vcaballero | *
|
743 | 13585 | ppiqueras | * @see #setImageSize(Dimension)
|
744 | * @see #getImageHeight()
|
||
745 | * @see #getImageWidth()
|
||
746 | 213 | fernando | */
|
747 | public Dimension getImageSize() { |
||
748 | return imageSize;
|
||
749 | } |
||
750 | 956 | vcaballero | |
751 | 213 | fernando | /**
|
752 | 13585 | ppiqueras | * <p>Sets the size of the image projected, recalculating the parameters of this view port.</p>
|
753 | 956 | vcaballero | *
|
754 | 13585 | ppiqueras | * @param imageSize the image size
|
755 | 20332 | vcaballero | *
|
756 | 13585 | ppiqueras | * @see #getImageSize()
|
757 | * @see #calculateAffineTransform()
|
||
758 | 213 | fernando | */
|
759 | public void setImageSize(Dimension imageSize) { |
||
760 | this.imageSize = imageSize;
|
||
761 | calculateAffineTransform(); |
||
762 | } |
||
763 | |||
764 | 956 | vcaballero | /**
|
765 | 13585 | ppiqueras | * <p>Notifies to all view port listeners registered, that the adjusted extent of this view port
|
766 | * has changed.</p>
|
||
767 | 956 | vcaballero | *
|
768 | 13585 | ppiqueras | * @param newRect the new adjusted extend
|
769 | 20332 | vcaballero | *
|
770 | 13585 | ppiqueras | * @see #refreshExtent()
|
771 | * @see #setExtent(Rectangle2D)
|
||
772 | * @see #setPreviousExtent()
|
||
773 | * @see ExtentEvent
|
||
774 | * @see ViewPortListener
|
||
775 | 956 | vcaballero | */
|
776 | 1197 | fernando | private void callExtentChanged(Rectangle2D newRect) { |
777 | 1082 | fernando | ExtentEvent ev = ExtentEvent.createExtentEvent(newRect); |
778 | 655 | fjp | |
779 | 1197 | fernando | for (int i = 0; i < listeners.size(); i++) { |
780 | ViewPortListener listener = (ViewPortListener) listeners.get(i); |
||
781 | 956 | vcaballero | listener.extentChanged(ev); |
782 | } |
||
783 | } |
||
784 | |||
785 | 213 | fernando | /**
|
786 | 13585 | ppiqueras | * <p>Notifies to all view port listeners registered, that the background color of this view port
|
787 | * has changed.</p>
|
||
788 | 956 | vcaballero | *
|
789 | 13585 | ppiqueras | * @param c the new background color
|
790 | 20332 | vcaballero | *
|
791 | 13585 | ppiqueras | * @see #setBackColor(Color)
|
792 | * @see ColorEvent
|
||
793 | * @see ViewPortListener
|
||
794 | 213 | fernando | */
|
795 | 1197 | fernando | private void callColorChanged(Color c) { |
796 | 1082 | fernando | ColorEvent ce = ColorEvent.createColorEvent(c); |
797 | 956 | vcaballero | |
798 | 1197 | fernando | for (int i = 0; i < listeners.size(); i++) { |
799 | ViewPortListener listener = (ViewPortListener) listeners.get(i); |
||
800 | 956 | vcaballero | listener.backColorChanged(ce); |
801 | } |
||
802 | } |
||
803 | 13585 | ppiqueras | |
804 | 5943 | jmvivo | /**
|
805 | 13585 | ppiqueras | * <p>Notifies to all view port listeners registered, that the projection of this view port
|
806 | * has changed.</p>
|
||
807 | 5943 | jmvivo | *
|
808 | 13585 | ppiqueras | * @param projection the new projection
|
809 | 20332 | vcaballero | *
|
810 | 13585 | ppiqueras | * @see #setProjection(IProjection)
|
811 | * @see ProjectionEvent
|
||
812 | * @see ViewPortListener
|
||
813 | 5943 | jmvivo | */
|
814 | private void callProjectionChanged(IProjection projection) { |
||
815 | ProjectionEvent ev = ProjectionEvent.createProjectionEvent(projection); |
||
816 | 956 | vcaballero | |
817 | 5943 | jmvivo | for (int i = 0; i < listeners.size(); i++) { |
818 | ViewPortListener listener = (ViewPortListener) listeners.get(i); |
||
819 | listener.projectionChanged(ev); |
||
820 | } |
||
821 | } |
||
822 | |||
823 | 956 | vcaballero | /**
|
824 | 13585 | ppiqueras | * <p>Calculates the affine transformation between the {@link #extent extent} in <i>map 2D coordinates</i> to
|
825 | * the image area in the screen, in <i>screen 2D coordinates</i> (pixels).</p>
|
||
826 | 20332 | vcaballero | *
|
827 | 13585 | ppiqueras | * <p>This process recalculates some parameters of this view port:<br>
|
828 | 20332 | vcaballero | *
|
829 | 13585 | ppiqueras | * <ul>
|
830 | * <li>The new {@link #scale scale} .
|
||
831 | 13682 | ppiqueras | * <li>The new {@link #adjustedExtent adjustedExtent} .
|
832 | 13585 | ppiqueras | * <li>The new {@link #trans trans} .
|
833 | * <li>The new real world coordinates equivalent to 1 pixel ({@link #dist1pixel dist1pixel}) .
|
||
834 | * <li>The new real world coordinates equivalent to 3 pixels ({@link #dist3pixel dist3pixel}) .
|
||
835 | * </ul>
|
||
836 | * </p>
|
||
837 | 20332 | vcaballero | *
|
838 | 13585 | ppiqueras | * @see #getAffineTransform()
|
839 | * @see #setAffineTransform(AffineTransform)
|
||
840 | * @see #refreshExtent()
|
||
841 | * @see #setExtent(Rectangle2D)
|
||
842 | * @see #setImageSize(Dimension)
|
||
843 | * @see #setPreviousExtent()
|
||
844 | * @see #createFromXML(XMLEntity)
|
||
845 | * @see AffineTransform
|
||
846 | 956 | vcaballero | */
|
847 | 213 | fernando | private void calculateAffineTransform() { |
848 | 956 | vcaballero | if ((imageSize == null) || (extent == null) || |
849 | (imageSize.getWidth() <= 0) || (imageSize.getHeight() <= 0)) { |
||
850 | return;
|
||
851 | } |
||
852 | 213 | fernando | |
853 | 956 | vcaballero | AffineTransform escalado = new AffineTransform(); |
854 | AffineTransform translacion = new AffineTransform(); |
||
855 | 213 | fernando | |
856 | 956 | vcaballero | double escalaX;
|
857 | double escalaY;
|
||
858 | 213 | fernando | |
859 | 956 | vcaballero | escalaX = imageSize.getWidth() / extent.getWidth(); |
860 | escalaY = imageSize.getHeight() / extent.getHeight(); |
||
861 | 213 | fernando | |
862 | 956 | vcaballero | double xCenter = extent.getCenterX();
|
863 | double yCenter = extent.getCenterY();
|
||
864 | double newHeight;
|
||
865 | double newWidth;
|
||
866 | 213 | fernando | |
867 | 956 | vcaballero | adjustedExtent = new Rectangle2D.Double(); |
868 | 213 | fernando | |
869 | 8765 | jjdelcerro | if (adjustableExtent) {
|
870 | 13585 | ppiqueras | // If is enabled the adjustable extent mode:
|
871 | // the new 'adjustedExtent' will have the (X, Y) coordinates of the 'extent' and
|
||
872 | // an area that will be an scale of the image size according the projection. That area will have different
|
||
873 | // height or width (not both) of the extent according the least ratio image.size/extent.size
|
||
874 | // The least ratio (height or width) will be used to calculate the other size value of the
|
||
875 | // new 'adjustedExtent'
|
||
876 | 8765 | jjdelcerro | if (escalaX < escalaY) {
|
877 | scale = escalaX; |
||
878 | newHeight = imageSize.getHeight() / scale; |
||
879 | adjustedExtent.setRect(xCenter - (extent.getWidth() / 2.0),
|
||
880 | yCenter - (newHeight / 2.0), extent.getWidth(), newHeight);
|
||
881 | } else {
|
||
882 | scale = escalaY; |
||
883 | newWidth = imageSize.getWidth() / scale; |
||
884 | adjustedExtent.setRect(xCenter - (newWidth / 2.0),
|
||
885 | yCenter - (extent.getHeight() / 2.0), newWidth,
|
||
886 | extent.getHeight()); |
||
887 | } |
||
888 | escalado.setToScale(scale, -scale); |
||
889 | } |
||
890 | else { // adjusted is same as extent |
||
891 | 956 | vcaballero | scale = escalaX; |
892 | 8765 | jjdelcerro | adjustedExtent.setFrame(extent); |
893 | escalado.setToScale(escalaX, -escalaY); |
||
894 | 956 | vcaballero | } |
895 | 213 | fernando | |
896 | 3683 | caballero | translacion.setToTranslation(-getAdjustedExtent().getX(), |
897 | -getAdjustedExtent().getY() - getAdjustedExtent().getHeight()); |
||
898 | 956 | vcaballero | |
899 | AffineTransform offsetTrans = new AffineTransform(); |
||
900 | offsetTrans.setToTranslation(offset.getX(), offset.getY()); |
||
901 | |||
902 | trans.setToIdentity(); |
||
903 | trans.concatenate(offsetTrans); |
||
904 | trans.concatenate(escalado); |
||
905 | |||
906 | trans.concatenate(translacion); |
||
907 | |||
908 | 3884 | caballero | // Calculamos las distancias de 1 pixel y 3 pixel con esa transformaci?n
|
909 | 956 | vcaballero | // de coordenadas, de forma que est?n precalculadas para cuando las necesitemos
|
910 | AffineTransform at;
|
||
911 | |||
912 | 237 | fjp | try {
|
913 | at = trans.createInverse(); |
||
914 | 956 | vcaballero | |
915 | 237 | fjp | java.awt.Point pPixel = new java.awt.Point(1, 1); |
916 | 956 | vcaballero | Point2D.Float pProv = new Point2D.Float(); |
917 | at.deltaTransform(pPixel, pProv); |
||
918 | 237 | fjp | |
919 | 956 | vcaballero | dist1pixel = pProv.x; |
920 | dist3pixel = 3 * pProv.x;
|
||
921 | 237 | fjp | } catch (NoninvertibleTransformException e) { |
922 | 867 | fjp | System.err.println("transformada afin = " + trans.toString()); |
923 | 956 | vcaballero | System.err.println("extent = " + extent.toString() + |
924 | " imageSize= " + imageSize.toString());
|
||
925 | 918 | fernando | throw new RuntimeException(e); |
926 | 237 | fjp | } |
927 | 213 | fernando | } |
928 | 956 | vcaballero | |
929 | /**
|
||
930 | 13585 | ppiqueras | * <p>Sets the offset.</p>
|
931 | * <p>The offset is the position where start drawing the map.</p>
|
||
932 | 956 | vcaballero | *
|
933 | 13585 | ppiqueras | * @param p 2D point that represents the offset in pixels
|
934 | 20332 | vcaballero | *
|
935 | 13585 | ppiqueras | * @see #getOffset()
|
936 | 956 | vcaballero | */
|
937 | public void setOffset(Point2D p) { |
||
938 | offset = p; |
||
939 | 351 | vcaballero | } |
940 | 13585 | ppiqueras | |
941 | 956 | vcaballero | /**
|
942 | 13585 | ppiqueras | * <p>Gets the offset.</p>
|
943 | * <p>The offset is the position where start drawing the map.</p>
|
||
944 | 1317 | vcaballero | *
|
945 | 13585 | ppiqueras | * @return 2D point that represents the offset in pixels
|
946 | 20332 | vcaballero | *
|
947 | 13585 | ppiqueras | * @see #setOffset(Point2D)
|
948 | 1317 | vcaballero | */
|
949 | public Point2D getOffset() { |
||
950 | return offset;
|
||
951 | } |
||
952 | 13585 | ppiqueras | |
953 | 1317 | vcaballero | /**
|
954 | 20100 | jmvivo | * <p>Sets the background color.</p>
|
955 | 956 | vcaballero | *
|
956 | 13585 | ppiqueras | * @param c the new background color
|
957 | 20332 | vcaballero | *
|
958 | 13585 | ppiqueras | * @see #getBackColor()
|
959 | 956 | vcaballero | */
|
960 | 213 | fernando | public void setBackColor(Color c) { |
961 | backColor = c; |
||
962 | 1197 | fernando | callColorChanged(backColor); |
963 | 213 | fernando | } |
964 | |||
965 | 956 | vcaballero | /**
|
966 | 20100 | jmvivo | * <p>Gets the background color.</p>
|
967 | 956 | vcaballero | *
|
968 | 13585 | ppiqueras | * @return the background color of the view
|
969 | 20332 | vcaballero | *
|
970 | 13585 | ppiqueras | * @see #setBackColor(Color)
|
971 | 956 | vcaballero | */
|
972 | 213 | fernando | public Color getBackColor() { |
973 | return backColor;
|
||
974 | } |
||
975 | 956 | vcaballero | |
976 | 213 | fernando | /**
|
977 | 13585 | ppiqueras | * <p>Returns the extent currently covered by the view adjusted (scaled) to the image size aspect.</p>
|
978 | 20332 | vcaballero | *
|
979 | 13585 | ppiqueras | * @return extent of the view adjusted to the image size aspect
|
980 | 20332 | vcaballero | *
|
981 | 13585 | ppiqueras | * @see #setAdjustable(boolean)
|
982 | 213 | fernando | */
|
983 | public Rectangle2D getAdjustedExtent() { |
||
984 | 3683 | caballero | if (cliprect!=null){ |
985 | return adjustedExtent.createIntersection(cliprect);
|
||
986 | } |
||
987 | 213 | fernando | return adjustedExtent;
|
988 | } |
||
989 | 956 | vcaballero | |
990 | 213 | fernando | /**
|
991 | 13585 | ppiqueras | * <p>Returns the measurement unit of this view port used for measuring distances and displaying information.</p>
|
992 | 956 | vcaballero | *
|
993 | 13585 | ppiqueras | * @return the measurement unit of this view used for measuring distances and displaying information
|
994 | 20332 | vcaballero | *
|
995 | 13585 | ppiqueras | * @see #setDistanceUnits(int)
|
996 | 213 | fernando | */
|
997 | public int getDistanceUnits() { |
||
998 | return distanceUnits;
|
||
999 | } |
||
1000 | 20332 | vcaballero | /**
|
1001 | * <p>Returns the measurement unit of this view port used for measuring areas and displaying information.</p>
|
||
1002 | *
|
||
1003 | * @return the measurement unit of this view used for measuring areas and displaying information
|
||
1004 | *
|
||
1005 | * @see #setDistanceUnits(int)
|
||
1006 | */
|
||
1007 | public int getDistanceArea() { |
||
1008 | return distanceArea;
|
||
1009 | } |
||
1010 | 956 | vcaballero | |
1011 | 20332 | vcaballero | |
1012 | 213 | fernando | /**
|
1013 | 13585 | ppiqueras | * <p>Sets the measurement unit of this view port used for measuring distances and displaying information.</p>
|
1014 | 956 | vcaballero | *
|
1015 | 13585 | ppiqueras | * @param distanceUnits the measurement unit of this view used for measuring distances and displaying information
|
1016 | 20332 | vcaballero | *
|
1017 | 13585 | ppiqueras | * @see #getDistanceUnits()
|
1018 | 213 | fernando | */
|
1019 | public void setDistanceUnits(int distanceUnits) { |
||
1020 | this.distanceUnits = distanceUnits;
|
||
1021 | } |
||
1022 | 20332 | vcaballero | /**
|
1023 | * <p>Sets the measurement unit of this view port used for measuring areas and displaying information.</p>
|
||
1024 | *
|
||
1025 | * @param distanceUnits the measurement unit of this view used for measuring areas and displaying information
|
||
1026 | *
|
||
1027 | * @see #getDistanceUnits()
|
||
1028 | */
|
||
1029 | public void setDistanceArea(int distanceArea) { |
||
1030 | this.distanceArea = distanceArea;
|
||
1031 | } |
||
1032 | 956 | vcaballero | |
1033 | 213 | fernando | /**
|
1034 | 13585 | ppiqueras | * <p>Gets the measurement unit used by this view port for the map.</p>
|
1035 | 956 | vcaballero | *
|
1036 | 13585 | ppiqueras | * @return Returns the current map measure unit
|
1037 | 20332 | vcaballero | *
|
1038 | 13585 | ppiqueras | * @see #setMapUnits(int)
|
1039 | 213 | fernando | */
|
1040 | public int getMapUnits() { |
||
1041 | return mapUnits;
|
||
1042 | } |
||
1043 | 956 | vcaballero | |
1044 | 213 | fernando | /**
|
1045 | 13585 | ppiqueras | * <p>Sets the measurement unit used by this view port for the map.</p>
|
1046 | 956 | vcaballero | *
|
1047 | 13585 | ppiqueras | * @param mapUnits the new map measure unit
|
1048 | 20332 | vcaballero | *
|
1049 | 13585 | ppiqueras | * @see #getMapUnits()
|
1050 | 213 | fernando | */
|
1051 | public void setMapUnits(int mapUnits) { |
||
1052 | this.mapUnits = mapUnits;
|
||
1053 | 956 | vcaballero | } |
1054 | |||
1055 | /**
|
||
1056 | 20100 | jmvivo | * <p>Gets the width in <i>screen coordinates</i> of the rectangle where the image is displayed.</p>
|
1057 | 13635 | ppiqueras | * <p>Used by {@linkplain #calculateAffineTransform()} to calculate:<br>
|
1058 | 20332 | vcaballero | *
|
1059 | 13585 | ppiqueras | * <ul>
|
1060 | * <li>The new {@link #scale scale} .
|
||
1061 | * <li>The new {@link #adjustedExtent adjustableExtent} .
|
||
1062 | * <li>The new {@link #trans trans} .
|
||
1063 | * <li>The new real world coordinates equivalent to 1 pixel ({@link #dist1pixel dist1pixel}) .
|
||
1064 | * <li>The new real world coordinates equivalent to 3 pixels ({@link #dist3pixel dist3pixel}) .
|
||
1065 | * </ul>
|
||
1066 | * </p>
|
||
1067 | 20332 | vcaballero | *
|
1068 | 13585 | ppiqueras | * @see #getImageHeight()
|
1069 | * @see #getImageSize()
|
||
1070 | * @see #setImageSize(Dimension)
|
||
1071 | 956 | vcaballero | */
|
1072 | public int getImageWidth() { |
||
1073 | 214 | fernando | return imageSize.width;
|
1074 | 213 | fernando | } |
1075 | 956 | vcaballero | |
1076 | /**
|
||
1077 | 20100 | jmvivo | * <p>Gets the height in <i>screen coordinates</i> of the rectangle where the image is displayed.</p>
|
1078 | 13635 | ppiqueras | * <p>Used by {@linkplain #calculateAffineTransform()} to calculate:<br>
|
1079 | 20332 | vcaballero | *
|
1080 | 13585 | ppiqueras | * <ul>
|
1081 | * <li>The new {@link #scale scale} .
|
||
1082 | * <li>The new {@link #adjustedExtent adjustableExtent} .
|
||
1083 | * <li>The new {@link #trans trans} .
|
||
1084 | * <li>The new real world coordinates equivalent to 1 pixel ({@link #dist1pixel dist1pixel}) .
|
||
1085 | * <li>The new real world coordinates equivalent to 3 pixels ({@link #dist3pixel dist3pixel}) .
|
||
1086 | * </ul>
|
||
1087 | * </p>
|
||
1088 | 20332 | vcaballero | *
|
1089 | 13585 | ppiqueras | * @see #getImageWidth()
|
1090 | * @see #getImageSize()
|
||
1091 | * @see #setImageSize(Dimension)
|
||
1092 | 956 | vcaballero | */
|
1093 | public int getImageHeight() { |
||
1094 | 214 | fernando | return imageSize.height;
|
1095 | } |
||
1096 | 956 | vcaballero | |
1097 | /**
|
||
1098 | 20332 | vcaballero | * <p>Gets the distance in <i>world coordinates</i> equivalent to 1 pixel in the view with the current extent.</p>
|
1099 | 956 | vcaballero | *
|
1100 | 13585 | ppiqueras | * @return the distance
|
1101 | 20332 | vcaballero | *
|
1102 | 13585 | ppiqueras | * @see #setDist1pixel(double)
|
1103 | 956 | vcaballero | */
|
1104 | 237 | fjp | public double getDist1pixel() { |
1105 | return dist1pixel;
|
||
1106 | } |
||
1107 | 956 | vcaballero | |
1108 | /**
|
||
1109 | 20332 | vcaballero | * <p>Sets the distance in <i>world coordinates</i> equivalent to 1 pixel in the view with the current extent.</p>
|
1110 | 956 | vcaballero | *
|
1111 | 13585 | ppiqueras | * @param dist1pixel the distance
|
1112 | 20332 | vcaballero | *
|
1113 | 13585 | ppiqueras | * @see #getDist1pixel()
|
1114 | 956 | vcaballero | */
|
1115 | 237 | fjp | public void setDist1pixel(double dist1pixel) { |
1116 | this.dist1pixel = dist1pixel;
|
||
1117 | } |
||
1118 | 956 | vcaballero | |
1119 | /**
|
||
1120 | 20332 | vcaballero | * <p>Gets the distance in <i>world coordinates</i> equivalent to 3 pixels in the view with the current extent.</p>
|
1121 | 956 | vcaballero | *
|
1122 | 13585 | ppiqueras | * @return the distance
|
1123 | 20332 | vcaballero | *
|
1124 | 13585 | ppiqueras | * @see #setDist3pixel(double)
|
1125 | 956 | vcaballero | */
|
1126 | 237 | fjp | public double getDist3pixel() { |
1127 | return dist3pixel;
|
||
1128 | } |
||
1129 | 956 | vcaballero | |
1130 | /**
|
||
1131 | 20332 | vcaballero | * <p>Sets the distance in <i>world coordinates</i> equivalent to 3 pixels in the view with the current extent.</p>
|
1132 | 956 | vcaballero | *
|
1133 | 13585 | ppiqueras | * @param dist3pixel the distance
|
1134 | 20332 | vcaballero | *
|
1135 | 13585 | ppiqueras | * @see #getDist3pixel()
|
1136 | 956 | vcaballero | */
|
1137 | 237 | fjp | public void setDist3pixel(double dist3pixel) { |
1138 | this.dist3pixel = dist3pixel;
|
||
1139 | } |
||
1140 | 956 | vcaballero | |
1141 | 277 | fernando | /**
|
1142 | 13585 | ppiqueras | * <p>Returns the last previous extents of this view port.</p>
|
1143 | 956 | vcaballero | *
|
1144 | 13585 | ppiqueras | * @return the last previous extents of this view port
|
1145 | 20332 | vcaballero | *
|
1146 | 13585 | ppiqueras | * @see #setPreviousExtent()
|
1147 | 277 | fernando | */
|
1148 | public ExtentHistory getExtents() {
|
||
1149 | return extents;
|
||
1150 | } |
||
1151 | |||
1152 | /**
|
||
1153 | 13585 | ppiqueras | * <p>Gets the projection used in this view port.</p>
|
1154 | 956 | vcaballero | *
|
1155 | 13585 | ppiqueras | * @return projection used in this view port
|
1156 | 20332 | vcaballero | *
|
1157 | 13585 | ppiqueras | * @see #setProjection(IProjection)
|
1158 | 346 | fernando | */
|
1159 | public IProjection getProjection() {
|
||
1160 | return proj;
|
||
1161 | } |
||
1162 | 956 | vcaballero | |
1163 | 346 | fernando | /**
|
1164 | 13585 | ppiqueras | * <p>Sets the projection to this view port.</p>
|
1165 | 956 | vcaballero | *
|
1166 | 13585 | ppiqueras | * @param proj the new projection
|
1167 | 20332 | vcaballero | *
|
1168 | 13585 | ppiqueras | * @see #getProjection()
|
1169 | 346 | fernando | */
|
1170 | public void setProjection(IProjection proj) { |
||
1171 | 6187 | jmvivo | if(this.proj == null || !this.proj.getAbrev().equals(proj.getAbrev())) { |
1172 | 6630 | caballero | this.proj = proj;
|
1173 | 6187 | jmvivo | callProjectionChanged(proj); |
1174 | } |
||
1175 | 346 | fernando | } |
1176 | 3884 | caballero | |
1177 | 13635 | ppiqueras | // -----------------------------------------------------------------------------------------------------------
|
1178 | // NOTA PARA DESARROLLADORES SOBRE EL M?TODO "public void setAffineTransform(AffineTransform at)"
|
||
1179 | // ==============================================================================================
|
||
1180 | // Only used for print, should be removed, redefining the {@link RasterAdapter RasterAdapter} interface,
|
||
1181 | // allowing it to receive a {@link ViewPortData ViewPortData} .
|
||
1182 | // -----------------------------------------------------------------------------------------------------------
|
||
1183 | |||
1184 | 1152 | fjp | /**
|
1185 | 13585 | ppiqueras | * <p>Sets only the affine transform to this view port, without updating dependent attributes.</p>
|
1186 | 20100 | jmvivo | * <p><b><i>This method could be problematic!</i></b></p>
|
1187 | 13585 | ppiqueras | *
|
1188 | * @param at the affine transform to set
|
||
1189 | 20332 | vcaballero | *
|
1190 | 13585 | ppiqueras | * @see #getAffineTransform()
|
1191 | * @see #calculateAffineTransform()
|
||
1192 | 1152 | fjp | */
|
1193 | 3884 | caballero | public void setAffineTransform(AffineTransform at) |
1194 | 1152 | fjp | { |
1195 | this.trans = at;
|
||
1196 | } |
||
1197 | 956 | vcaballero | |
1198 | /**
|
||
1199 | 13585 | ppiqueras | * <p>Returns an XML entity that represents this view port instance:<br>
|
1200 | * <ul>
|
||
1201 | * <li>Properties:
|
||
1202 | * <ul>
|
||
1203 | * <li><i>className</i>: name of this class.
|
||
1204 | * <li>If defined, the adjusted extent:
|
||
1205 | * <ul>
|
||
1206 | 20332 | vcaballero | * <li><i>adjustedExtentX</i>: X coordinate of the adjusted extent.
|
1207 | 13585 | ppiqueras | * <li><i>adjustedExtentY</i>: Y coordinate of the adjusted extent.
|
1208 | * <li><i>adjustedExtentW</i>: width of the adjusted extent.
|
||
1209 | * <li><i>adjustedExtentH</i>: height of the adjusted extent.
|
||
1210 | 20332 | vcaballero | * </ul>
|
1211 | 13585 | ppiqueras | * <li>If defined, the background color:
|
1212 | * <ul>
|
||
1213 | * <li><i>backColor</i>: background color.
|
||
1214 | 20332 | vcaballero | * </ul>
|
1215 | 13585 | ppiqueras | * <li>If defined, the clip:
|
1216 | * <ul>
|
||
1217 | 20332 | vcaballero | * <li><i>clipX</i>: X coordinate of the clip.
|
1218 | 13585 | ppiqueras | * <li><i>clipY</i>: Y coordinate of clip.
|
1219 | * <li><i>clipW</i>: width of the clip.
|
||
1220 | * <li><i>clipH</i>: height of the clip.
|
||
1221 | 20332 | vcaballero | * </ul>
|
1222 | 13585 | ppiqueras | * <li><i>dist1pixel</i>: the distance in world coordinates equivalent to 1 pixel in the view.
|
1223 | * <li><i>dist3pixel</i>: the distance in world coordinates equivalent to 3 pixels in the view.
|
||
1224 | * <li><i>distanceUnits</i>: the distance measurement unit.
|
||
1225 | * <li>If defined, the extent:
|
||
1226 | * <ul>
|
||
1227 | 20332 | vcaballero | * <li><i>extentX</i>: X coordinate of the extent.
|
1228 | 13585 | ppiqueras | * <li><i>extentY</i>: Y coordinate of the extent.
|
1229 | * <li><i>extentW</i>: width of the extent.
|
||
1230 | * <li><i>extentH</i>: height of the extent.
|
||
1231 | 20332 | vcaballero | * </ul>
|
1232 | * <li><i>mapUnits</i>: the map measurement unit.
|
||
1233 | 13585 | ppiqueras | * <li><i>offsetX</i>: X coordinate of the offset.
|
1234 | 20332 | vcaballero | * <li><i>offsetY</i>: Y coordinate of the offset.
|
1235 | 13585 | ppiqueras | * <li>If defined, the projection:
|
1236 | * <ul>
|
||
1237 | * <li><i>proj</i>: the projection.
|
||
1238 | 20332 | vcaballero | * </ul>
|
1239 | 13635 | ppiqueras | * <li><i>scale</i>: ratio between the size of <code>imageSize</code> and <code>extent</code>.
|
1240 | 13585 | ppiqueras | * </ul>
|
1241 | * <li>Child branches:
|
||
1242 | * <ul>
|
||
1243 | * <li>XML entity of the internal {@link ExtentHistory ExtentHistory} .
|
||
1244 | * </ul>
|
||
1245 | * </ul>
|
||
1246 | 20332 | vcaballero | *
|
1247 | 13635 | ppiqueras | * @return the XML entity
|
1248 | 20332 | vcaballero | *
|
1249 | 13585 | ppiqueras | * @see #createFromXML(XMLEntity)
|
1250 | 956 | vcaballero | */
|
1251 | public XMLEntity getXMLEntity() {
|
||
1252 | XMLEntity xml = new XMLEntity();
|
||
1253 | 1094 | vcaballero | xml.putProperty("className",this.getClass().getName()); |
1254 | 956 | vcaballero | |
1255 | if (adjustedExtent != null) { |
||
1256 | xml.putProperty("adjustedExtentX", adjustedExtent.getX());
|
||
1257 | xml.putProperty("adjustedExtentY", adjustedExtent.getY());
|
||
1258 | xml.putProperty("adjustedExtentW", adjustedExtent.getWidth());
|
||
1259 | xml.putProperty("adjustedExtentH", adjustedExtent.getHeight());
|
||
1260 | 741 | vcaballero | } |
1261 | 956 | vcaballero | |
1262 | 1282 | fjp | if (backColor != null) |
1263 | xml.putProperty("backColor", StringUtilities.color2String(backColor));
|
||
1264 | 956 | vcaballero | |
1265 | if (clip != null) { |
||
1266 | xml.putProperty("clipX", clip.getX());
|
||
1267 | xml.putProperty("clipY", clip.getY());
|
||
1268 | xml.putProperty("clipW", clip.getWidth());
|
||
1269 | xml.putProperty("clipH", clip.getHeight());
|
||
1270 | 435 | vcaballero | } |
1271 | 956 | vcaballero | |
1272 | xml.putProperty("dist1pixel", dist1pixel);
|
||
1273 | xml.putProperty("dist3pixel", dist3pixel);
|
||
1274 | xml.putProperty("distanceUnits", distanceUnits);
|
||
1275 | |||
1276 | if (extent != null) { |
||
1277 | xml.putProperty("extentX", extent.getX());
|
||
1278 | xml.putProperty("extentY", extent.getY());
|
||
1279 | xml.putProperty("extentW", extent.getWidth());
|
||
1280 | xml.putProperty("extentH", extent.getHeight());
|
||
1281 | 741 | vcaballero | } |
1282 | 956 | vcaballero | |
1283 | 449 | vcaballero | xml.addChild(extents.getXMLEntity()); |
1284 | 956 | vcaballero | xml.putProperty("mapUnits", mapUnits);
|
1285 | xml.putProperty("offsetX", offset.getX());
|
||
1286 | xml.putProperty("offsetY", offset.getY());
|
||
1287 | |||
1288 | if (proj != null) { |
||
1289 | xml.putProperty("proj", proj.getAbrev());
|
||
1290 | 442 | vcaballero | } |
1291 | 956 | vcaballero | |
1292 | xml.putProperty("scale", scale);
|
||
1293 | |||
1294 | 435 | vcaballero | return xml;
|
1295 | } |
||
1296 | 956 | vcaballero | |
1297 | /**
|
||
1298 | 13585 | ppiqueras | * <p>Creates a new <code>ViewPort</code> from an XML entity.</p>
|
1299 | 956 | vcaballero | *
|
1300 | 13585 | ppiqueras | * @param xml an XML entity
|
1301 | 956 | vcaballero | *
|
1302 | 13585 | ppiqueras | * @return the new <code>ViewPort</code>
|
1303 | 20332 | vcaballero | *
|
1304 | 13585 | ppiqueras | * @see #getXMLEntity()
|
1305 | * @see #createFromXML(XMLEntity)
|
||
1306 | 956 | vcaballero | */
|
1307 | 2183 | fernando | public static ViewPort createFromXML03(XMLEntity xml) { |
1308 | ViewPort vp = new ViewPort(null); |
||
1309 | |||
1310 | if (xml.contains("adjustedExtentX")) { |
||
1311 | vp.adjustedExtent = new Rectangle2D.Double(xml.getDoubleProperty( |
||
1312 | "adjustedExtentX"),
|
||
1313 | xml.getDoubleProperty("adjustedExtentY"),
|
||
1314 | xml.getDoubleProperty("adjustedExtentW"),
|
||
1315 | xml.getDoubleProperty("adjustedExtentH"));
|
||
1316 | } |
||
1317 | |||
1318 | if (xml.contains("backColor")) { |
||
1319 | vp.setBackColor(StringUtilities.string2Color(xml.getStringProperty( |
||
1320 | "backColor")));
|
||
1321 | } |
||
1322 | |||
1323 | if (xml.contains("clipX")) { |
||
1324 | vp.clip = new Rectangle2D.Double(xml.getDoubleProperty("clipX"), |
||
1325 | xml.getDoubleProperty("clipY"),
|
||
1326 | xml.getDoubleProperty("clipW"),
|
||
1327 | xml.getDoubleProperty("clipH"));
|
||
1328 | } |
||
1329 | |||
1330 | vp.setDist1pixel(xml.getDoubleProperty("dist1pixel"));
|
||
1331 | vp.setDist3pixel(xml.getDoubleProperty("dist3pixel"));
|
||
1332 | vp.setDistanceUnits(xml.getIntProperty("distanceUnits"));
|
||
1333 | vp.extents = ExtentHistory.createFromXML03(xml.getChild(0));
|
||
1334 | |||
1335 | if (xml.contains("extentX")) { |
||
1336 | vp.setExtent(new Rectangle2D.Double(xml.getDoubleProperty("extentX"), |
||
1337 | xml.getDoubleProperty("extentY"),
|
||
1338 | xml.getDoubleProperty("extentW"),
|
||
1339 | xml.getDoubleProperty("extentH")));
|
||
1340 | |||
1341 | //Calcula la transformaci?n af?n
|
||
1342 | vp.calculateAffineTransform(); |
||
1343 | |||
1344 | // Lanzamos los eventos de extent cambiado
|
||
1345 | // vp.callExtentListeners(vp.adjustedExtent);
|
||
1346 | } |
||
1347 | |||
1348 | vp.setMapUnits(xml.getIntProperty("mapUnits"));
|
||
1349 | vp.setOffset(new Point2D.Double(xml.getDoubleProperty("offsetX"), |
||
1350 | xml.getDoubleProperty("offsetY")));
|
||
1351 | |||
1352 | if (xml.contains("proj")) { |
||
1353 | 6164 | luisw2 | vp.proj = CRSFactory.getCRS(xml.getStringProperty("proj"));
|
1354 | 2183 | fernando | } |
1355 | |||
1356 | //vp.setScale(xml.getDoubleProperty("scale"));
|
||
1357 | 6630 | caballero | vp.refreshExtent(); |
1358 | 2183 | fernando | return vp;
|
1359 | } |
||
1360 | |||
1361 | /**
|
||
1362 | 13585 | ppiqueras | * <p>Creates a new <code>ViewPort</code> from an XML entity.</p>
|
1363 | 2183 | fernando | *
|
1364 | 13585 | ppiqueras | * @param xml an XML entity
|
1365 | 2183 | fernando | *
|
1366 | 13585 | ppiqueras | * @return the new <code>ViewPort</code>
|
1367 | 20332 | vcaballero | *
|
1368 | 13585 | ppiqueras | * @see #getXMLEntity()
|
1369 | * @see #createFromXML03(XMLEntity)
|
||
1370 | 2183 | fernando | */
|
1371 | 956 | vcaballero | public static ViewPort createFromXML(XMLEntity xml) { |
1372 | ViewPort vp = new ViewPort(null); |
||
1373 | |||
1374 | if (xml.contains("adjustedExtentX")) { |
||
1375 | vp.adjustedExtent = new Rectangle2D.Double(xml.getDoubleProperty( |
||
1376 | "adjustedExtentX"),
|
||
1377 | xml.getDoubleProperty("adjustedExtentY"),
|
||
1378 | xml.getDoubleProperty("adjustedExtentW"),
|
||
1379 | xml.getDoubleProperty("adjustedExtentH"));
|
||
1380 | 741 | vcaballero | } |
1381 | 956 | vcaballero | |
1382 | if (xml.contains("backColor")) { |
||
1383 | vp.setBackColor(StringUtilities.string2Color(xml.getStringProperty( |
||
1384 | "backColor")));
|
||
1385 | 8765 | jjdelcerro | }else {
|
1386 | vp.setBackColor(Color.white);
|
||
1387 | 435 | vcaballero | } |
1388 | 956 | vcaballero | |
1389 | if (xml.contains("clipX")) { |
||
1390 | vp.clip = new Rectangle2D.Double(xml.getDoubleProperty("clipX"), |
||
1391 | xml.getDoubleProperty("clipY"),
|
||
1392 | xml.getDoubleProperty("clipW"),
|
||
1393 | xml.getDoubleProperty("clipH"));
|
||
1394 | 741 | vcaballero | } |
1395 | 956 | vcaballero | |
1396 | 442 | vcaballero | vp.setDist1pixel(xml.getDoubleProperty("dist1pixel"));
|
1397 | vp.setDist3pixel(xml.getDoubleProperty("dist3pixel"));
|
||
1398 | vp.setDistanceUnits(xml.getIntProperty("distanceUnits"));
|
||
1399 | 20332 | vcaballero | if (xml.contains("distanceArea")){ |
1400 | vp.setDistanceArea(xml.getIntProperty("distanceArea"));
|
||
1401 | }else{
|
||
1402 | vp.setDistanceArea(xml.getIntProperty("distanceUnits"));
|
||
1403 | } |
||
1404 | 956 | vcaballero | vp.extents = ExtentHistory.createFromXML(xml.getChild(0));
|
1405 | 918 | fernando | |
1406 | 956 | vcaballero | if (xml.contains("extentX")) { |
1407 | vp.setExtent(new Rectangle2D.Double(xml.getDoubleProperty("extentX"), |
||
1408 | xml.getDoubleProperty("extentY"),
|
||
1409 | xml.getDoubleProperty("extentW"),
|
||
1410 | xml.getDoubleProperty("extentH")));
|
||
1411 | |||
1412 | //Calcula la transformaci?n af?n
|
||
1413 | vp.calculateAffineTransform(); |
||
1414 | |||
1415 | // Lanzamos los eventos de extent cambiado
|
||
1416 | 1040 | fjp | // vp.callExtentListeners(vp.adjustedExtent);
|
1417 | 741 | vcaballero | } |
1418 | 956 | vcaballero | |
1419 | 442 | vcaballero | vp.setMapUnits(xml.getIntProperty("mapUnits"));
|
1420 | 956 | vcaballero | vp.setOffset(new Point2D.Double(xml.getDoubleProperty("offsetX"), |
1421 | xml.getDoubleProperty("offsetY")));
|
||
1422 | |||
1423 | if (xml.contains("proj")) { |
||
1424 | 6164 | luisw2 | vp.proj = CRSFactory.getCRS(xml.getStringProperty("proj"));
|
1425 | 442 | vcaballero | } |
1426 | 956 | vcaballero | |
1427 | 1135 | vcaballero | //vp.setScale(xml.getDoubleProperty("scale"));
|
1428 | 6630 | caballero | vp.refreshExtent(); |
1429 | 435 | vcaballero | return vp;
|
1430 | } |
||
1431 | 956 | vcaballero | |
1432 | /**
|
||
1433 | 13585 | ppiqueras | * <p>Fast clone implementation: creates and returns a clone of this view port using XML entities.</p>
|
1434 | 20100 | jmvivo | * <p>Isn't a <i>deepclone</i> to avoid unnecessary memory consumption.</p>
|
1435 | 956 | vcaballero | *
|
1436 | 13585 | ppiqueras | * @return the new view port
|
1437 | 20332 | vcaballero | *
|
1438 | 13585 | ppiqueras | * @see #createFromXML(XMLEntity)
|
1439 | 956 | vcaballero | */
|
1440 | public ViewPort cloneViewPort() {
|
||
1441 | return createFromXML(getXMLEntity());
|
||
1442 | 798 | vcaballero | } |
1443 | 956 | vcaballero | |
1444 | /**
|
||
1445 | 20100 | jmvivo | * <p>Returns a <code>String</code> representation of the main values of this view port: <code>{@linkplain #extent}</code>,
|
1446 | 13635 | ppiqueras | * <code>{@linkplain #adjustedExtent}</code>, <code>{@linkplain #imageSize}</code>, <code>{@linkplain #scale}</code>, and <code>{@linkplain #trans}</code>.</p>
|
1447 | 20332 | vcaballero | *
|
1448 | 13585 | ppiqueras | * @return a <code>string</code> representation of the main values of this view port
|
1449 | 956 | vcaballero | */
|
1450 | public String toString() { |
||
1451 | 20332 | vcaballero | |
1452 | 875 | fjp | String str;
|
1453 | 956 | vcaballero | str = "Datos del viewPort:\nExtent=" + extent + "\nadjustedExtent=" + |
1454 | adjustedExtent + "\nimageSize=" + imageSize + "\nescale=" + scale + |
||
1455 | 875 | fjp | "\ntrans=" + trans;
|
1456 | 956 | vcaballero | |
1457 | 875 | fjp | return str;
|
1458 | } |
||
1459 | 3683 | caballero | |
1460 | 13585 | ppiqueras | /**
|
1461 | * <p>Sets the position and size of the clipping rectangle.</p>
|
||
1462 | 20332 | vcaballero | *
|
1463 | 13585 | ppiqueras | * @param rectView the clipping rectangle to set
|
1464 | */
|
||
1465 | 3683 | caballero | public void setClipRect(Rectangle2D rectView) { |
1466 | cliprect=rectView; |
||
1467 | } |
||
1468 | 213 | fernando | } |