root / trunk / libraries / libFMap / src / com / iver / cit / gvsig / fmap / core / symbols / MultiLayerFillSymbol.java @ 38563
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1 | 12728 | jaume | /* gvSIG. Sistema de Informaci�n Geogr�fica de la Generalitat Valenciana
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2 | 10679 | jaume | *
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3 | * Copyright (C) 2005 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 | 12728 | jaume | * Av. Blasco Ib��ez, 50
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24 | 10679 | jaume | * 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 | |||
42 | /* CVS MESSAGES:
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43 | *
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44 | * $Id$
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45 | * $Log$
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46 | 13953 | jaume | * Revision 1.12 2007-09-21 12:25:32 jaume
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47 | * cancellation support extended down to the IGeometry and ISymbol level
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48 | *
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49 | * Revision 1.11 2007/09/19 16:20:45 jaume
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50 | 13881 | jaume | * removed unnecessary imports
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51 | *
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52 | * Revision 1.10 2007/08/13 11:36:50 jvidal
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53 | 12985 | jvidal | * javadoc
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54 | *
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55 | 13032 | jvidal | * Revision 1.9 2007/08/08 12:04:15 jvidal
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56 | * javadoc
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57 | *
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58 | 12985 | jvidal | * Revision 1.8 2007/07/23 06:52:25 jaume
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59 | 12728 | jaume | * default selection color refactored, moved to MapContext
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60 | *
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61 | * Revision 1.7 2007/07/03 10:58:29 jaume
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62 | 12467 | jaume | * first refactor on CartographicSupport
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63 | *
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64 | * Revision 1.6 2007/06/29 13:07:01 jaume
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65 | 12427 | jaume | * +PictureLineSymbol
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66 | *
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67 | * Revision 1.5 2007/03/29 16:02:01 jaume
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68 | 10977 | jaume | * *** empty log message ***
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69 | *
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70 | * Revision 1.4 2007/03/26 14:25:29 jaume
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71 | 10902 | jaume | * implemented Print
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72 | *
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73 | * Revision 1.3 2007/03/13 16:58:36 jaume
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74 | 10739 | jaume | * Added QuantityByCategory (Multivariable legend) and some bugfixes in symbols
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75 | *
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76 | * Revision 1.2 2007/03/09 11:20:57 jaume
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77 | 10679 | jaume | * Advanced symbology (start committing)
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78 | *
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79 | * Revision 1.1.2.3 2007/02/21 16:09:02 jaume
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80 | * *** empty log message ***
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81 | *
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82 | * Revision 1.1.2.2 2007/02/21 07:34:09 jaume
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83 | * labeling starts working
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84 | *
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85 | * Revision 1.1.2.1 2007/02/16 10:54:12 jaume
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86 | * multilayer splitted to multilayerline, multilayermarker,and multilayerfill
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87 | *
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88 | *
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89 | */
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90 | package com.iver.cit.gvsig.fmap.core.symbols; |
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91 | |||
92 | import java.awt.Color; |
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93 | import java.awt.Graphics2D; |
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94 | import java.awt.Rectangle; |
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95 | import java.awt.geom.AffineTransform; |
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96 | import java.util.ArrayList; |
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97 | |||
98 | import javax.print.attribute.PrintRequestAttributeSet; |
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99 | |||
100 | 12728 | jaume | import com.iver.cit.gvsig.fmap.MapContext; |
101 | 18621 | jdominguez | import com.iver.cit.gvsig.fmap.ViewPort; |
102 | 10679 | jaume | import com.iver.cit.gvsig.fmap.core.FShape; |
103 | import com.iver.cit.gvsig.fmap.core.IGeometry; |
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104 | import com.iver.cit.gvsig.fmap.core.SymbologyFactory; |
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105 | import com.iver.utiles.XMLEntity; |
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106 | 13953 | jaume | import com.iver.utiles.swing.threads.Cancellable; |
107 | 10679 | jaume | |
108 | 12985 | jvidal | /**
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109 | * MultiLayerFillSymbol is a symbol which allows to group several kind of fill symbols
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110 | * (xxxFillSymbol implementing IFillSymbol)in one and treats it like single symbol.
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111 | */
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112 | |||
113 | 12467 | jaume | public class MultiLayerFillSymbol extends AbstractFillSymbol implements IFillSymbol, IMultiLayerSymbol{ |
114 | 10739 | jaume | private static final double OPACITY_SELECTION_FACTOR = .8; |
115 | 10679 | jaume | private IFillSymbol[] layers = new IFillSymbol[0]; |
116 | private MultiLayerFillSymbol selectionSymbol;
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117 | private Object symbolType; |
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118 | 29810 | vcaballero | private double[] sizes=null; |
119 | 10679 | jaume | public Color getFillColor() { |
120 | /*
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121 | * a multilayer symbol does not define any color, the color
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122 | * of each layer is defined by the layer itself
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123 | */
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124 | return null; |
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125 | } |
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126 | |||
127 | public int getOnePointRgb() { |
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128 | // will paint only the last layer pixel
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129 | return layers[layers.length-1].getOnePointRgb(); |
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130 | } |
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131 | |||
132 | public ILineSymbol getOutline() {
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133 | /*
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134 | * a multilayer symbol does not define any outline, the outline
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135 | * of each layer is defined by the layer it self
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136 | */
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137 | return null; |
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138 | } |
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139 | |||
140 | public boolean isSuitableFor(IGeometry geom) { |
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141 | 29132 | vcaballero | return (geom.getGeometryType() % FShape.Z) == FShape.POLYGON;
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142 | 10679 | jaume | } |
143 | |||
144 | public void setFillColor(Color color) { |
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145 | /*
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146 | * Will apply the color to each layer
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147 | */
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148 | for (int i = 0; i < layers.length; i++) { |
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149 | layers[i].setFillColor(color); |
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150 | } |
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151 | } |
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152 | |||
153 | public void setOutline(ILineSymbol outline) { |
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154 | for (int i = 0; i < layers.length; i++) { |
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155 | layers[i].setOutline(null);
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156 | } |
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157 | layers[layers.length-1].setOutline(outline);
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158 | } |
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159 | |||
160 | 13953 | jaume | public void draw(Graphics2D g, AffineTransform affineTransform, FShape shp, Cancellable cancel) { |
161 | for (int i = 0; (cancel==null || !cancel.isCanceled()) && i < layers.length; i++) { |
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162 | layers[i].draw(g, affineTransform, shp, cancel); |
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163 | 10679 | jaume | } |
164 | } |
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165 | |||
166 | public void drawInsideRectangle(Graphics2D g, |
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167 | 28367 | vcaballero | AffineTransform scaleInstance, Rectangle r, PrintRequestAttributeSet properties) throws SymbolDrawingException { |
168 | 10679 | jaume | for (int i = 0; i < layers.length; i++) { |
169 | 28367 | vcaballero | layers[i].drawInsideRectangle(g, scaleInstance, r, properties); |
170 | 10679 | jaume | } |
171 | } |
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172 | |||
173 | 18621 | jdominguez | public void getPixExtentPlus(FShape shp, float[] distances, |
174 | ViewPort viewPort, int dpi) {
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175 | float[] myDistances = new float[] {0,0}; |
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176 | distances[0] = 0; |
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177 | distances[1] = 0; |
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178 | for (int i = 0; i < layers.length; i++) { |
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179 | layers[i].getPixExtentPlus(shp, myDistances, viewPort, dpi); |
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180 | distances[0] = Math.max(myDistances[0], distances[0]); |
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181 | distances[1] = Math.max(myDistances[1], distances[1]); |
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182 | } |
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183 | 10679 | jaume | } |
184 | |||
185 | public ISymbol getSymbolForSelection() {
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186 | if (selectionSymbol == null) { |
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187 | selectionSymbol = new MultiLayerFillSymbol();
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188 | selectionSymbol.setDescription(getDescription()); |
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189 | selectionSymbol.symbolType = symbolType; |
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190 | for (int i = 0; i < layers.length; i++) { |
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191 | selectionSymbol.addLayer(layers[i].getSymbolForSelection()); |
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192 | } |
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193 | SimpleFillSymbol selLayer = new SimpleFillSymbol();
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194 | 12728 | jaume | Color c = MapContext.getSelectionColor();
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195 | 10739 | jaume | c = new Color( |
196 | c.getRed(), |
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197 | c.getGreen(), |
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198 | c.getBlue(), |
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199 | (int) (255*OPACITY_SELECTION_FACTOR)); |
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200 | selLayer.setFillColor(c); |
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201 | 10679 | jaume | selLayer.setOutline(getOutline()); |
202 | selectionSymbol.addLayer(selLayer); |
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203 | } |
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204 | return selectionSymbol;
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205 | |||
206 | } |
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207 | |||
208 | |||
209 | public int getSymbolType() { |
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210 | return FShape.POLYGON;
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211 | } |
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212 | |||
213 | public XMLEntity getXMLEntity() {
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214 | XMLEntity xml = new XMLEntity();
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215 | xml.putProperty("className", getClassName());
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216 | xml.putProperty("desc", getDescription());
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217 | xml.putProperty("isShapeVisible", isShapeVisible());
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218 | 18621 | jdominguez | xml.putProperty("referenceSystem", getReferenceSystem());
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219 | xml.putProperty("unit", getUnit());
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220 | 29132 | vcaballero | |
221 | 10679 | jaume | for (int i = 0; i < layers.length; i++) { |
222 | xml.addChild(layers[i].getXMLEntity()); |
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223 | } |
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224 | return xml;
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225 | } |
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226 | |||
227 | public void setPrintingProperties(PrintRequestAttributeSet printProperties) { |
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228 | // TODO Implement it
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229 | throw new Error("Not yet implemented!"); |
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230 | |||
231 | } |
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232 | |||
233 | public String getClassName() { |
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234 | return getClass().getName();
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235 | } |
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236 | |||
237 | public void setXMLEntity(XMLEntity xml) { |
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238 | setIsShapeVisible(xml.getBooleanProperty("isShapeVisible"));
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239 | setDescription(xml.getStringProperty("desc"));
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240 | 14461 | jdominguez | for (int i = 0; i < xml.getChildrenCount(); i++) { |
241 | addLayer((IFillSymbol) SymbologyFactory.createSymbolFromXML(xml.getChild(i), "layer" + i));
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242 | 10679 | jaume | } |
243 | 29132 | vcaballero | |
244 | 18621 | jdominguez | if (xml.contains("unit")) { // remove this line when done |
245 | // measure unit (for outline)
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246 | setUnit(xml.getIntProperty("unit"));
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247 | 29132 | vcaballero | |
248 | 18621 | jdominguez | // reference system (for outline)
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249 | setReferenceSystem(xml.getIntProperty("referenceSystem"));
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250 | } |
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251 | 10679 | jaume | } |
252 | |||
253 | 28367 | vcaballero | public void print(Graphics2D g, AffineTransform at, FShape shape, PrintRequestAttributeSet properties) { |
254 | 10902 | jaume | for (int i = 0; i < layers.length; i++) { |
255 | layers[i].print(g, at, shape, properties); |
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256 | } |
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257 | 10679 | jaume | } |
258 | |||
259 | public void setLayer(int index, ISymbol layer) throws IndexOutOfBoundsException { |
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260 | layers[index] = (IFillSymbol) layer; |
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261 | } |
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262 | |||
263 | public void swapLayers(int index1, int index2) { |
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264 | ISymbol aux1 = getLayer(index1), aux2 = getLayer(index2); |
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265 | layers[index2] = (IFillSymbol) aux1; |
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266 | layers[index1] = (IFillSymbol) aux2; |
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267 | } |
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268 | |||
269 | public ISymbol getLayer(int layerIndex) { |
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270 | 12427 | jaume | // try{
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271 | 10679 | jaume | return layers[layerIndex];
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272 | 12427 | jaume | // } catch (Exception e) {
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273 | // return null;
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274 | // }
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275 | 10679 | jaume | } |
276 | |||
277 | public int getLayerCount() { |
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278 | return layers.length;
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279 | } |
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280 | |||
281 | public void addLayer(ISymbol newLayer) { |
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282 | 18621 | jdominguez | addLayer(newLayer, layers.length); |
283 | 10679 | jaume | } |
284 | |||
285 | public void addLayer(ISymbol newLayer, int layerIndex) throws IndexOutOfBoundsException { |
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286 | 10977 | jaume | if (newLayer == null )/*|| newLayer instanceof ILabelStyle)*/ return; // null or symbols that are styles are not allowed |
287 | 10679 | jaume | |
288 | selectionSymbol = null; /* forces the selection symbol to be re-created |
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289 | * next time it is required
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290 | */
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291 | if (layerIndex < 0 || layers.length < layerIndex) |
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292 | throw new IndexOutOfBoundsException(layerIndex+" < 0 or "+layerIndex+" > "+layers.length); |
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293 | 18621 | jdominguez | ArrayList<ISymbol> newLayers = new ArrayList<ISymbol>(); |
294 | 10679 | jaume | for (int i = 0; i < layers.length; i++) { |
295 | newLayers.add(layers[i]); |
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296 | } |
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297 | 20778 | vcaballero | try {
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298 | newLayers.add(layerIndex, newLayer); |
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299 | layers = (IFillSymbol[]) newLayers.toArray(new IFillSymbol[0]); |
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300 | } catch (ArrayStoreException asEx) { |
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301 | throw new ClassCastException(newLayer.getClassName()+" is not an IFillSymbol"); |
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302 | } |
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303 | 10679 | jaume | } |
304 | |||
305 | public boolean removeLayer(ISymbol layer) { |
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306 | |||
307 | int capacity = 0; |
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308 | capacity = layers.length; |
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309 | 18621 | jdominguez | ArrayList<IFillSymbol> lst = new ArrayList<IFillSymbol>(capacity); |
310 | 10679 | jaume | for (int i = 0; i < capacity; i++) { |
311 | lst.add(layers[i]); |
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312 | } |
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313 | boolean contains = lst.remove(layer);
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314 | layers = (IFillSymbol[])lst.toArray(new IFillSymbol[0]); |
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315 | return contains;
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316 | } |
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317 | 18621 | jdominguez | |
318 | @Override
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319 | public void setUnit(int unitIndex) { |
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320 | super.setUnit(unitIndex);
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321 | for (int i = 0; i < layers.length; i++) { |
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322 | layers[i].setUnit(unitIndex); |
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323 | } |
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324 | } |
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325 | 29132 | vcaballero | |
326 | 18621 | jdominguez | @Override
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327 | public void setReferenceSystem(int system) { |
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328 | super.setReferenceSystem(system);
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329 | for (int i = 0; i < layers.length; i++) { |
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330 | layers[i].setReferenceSystem(system); |
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331 | } |
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332 | } |
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333 | 29132 | vcaballero | |
334 | 13032 | jvidal | /**
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335 | *Returns the transparency of the multi layer fill symbol created
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336 | */
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337 | 10679 | jaume | public int getFillAlpha() { |
338 | // will compute the acumulated opacity
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339 | double myAlpha = 0; |
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340 | for (int i = 0; i < layers.length; i++) { |
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341 | double layerAlpha = layers[i].getFillAlpha()/255D; |
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342 | myAlpha += (1-myAlpha)*layerAlpha;
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343 | } |
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344 | int result = (int) Math.round(myAlpha * 255); |
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345 | return (result>255) ? 255 : result; |
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346 | } |
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347 | |||
348 | 29810 | vcaballero | public void setCartographicSize(double previousSize,FShape shp){ |
349 | for (int i = 0; i < layers.length; i++) { |
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350 | layers[i].setCartographicSize(sizes[i], shp); |
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351 | } |
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352 | } |
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353 | 18621 | jdominguez | |
354 | public double toCartographicSize(ViewPort viewPort, double dpi, FShape shp) { |
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355 | double size = 0; |
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356 | 29810 | vcaballero | sizes=new double[layers.length]; |
357 | 18621 | jdominguez | for (int i = 0; i < layers.length; i++) { |
358 | 29810 | vcaballero | double previousSize=layers[i].toCartographicSize(viewPort, dpi, shp);
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359 | sizes[i]=previousSize; |
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360 | size = Math.max(size, previousSize);
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361 | // layers[i].setCartographicSize(previousSize, shp);
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362 | 18621 | jdominguez | } |
363 | return size;
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364 | } |
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365 | 10679 | jaume | } |