svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.library / org.gvsig.symbology / org.gvsig.symbology.lib / org.gvsig.symbology.lib.impl / src / main / java / org / gvsig / symbology / fmap / mapcontext / rendering / symbol / line / impl / MultiLayerLineSymbol.java @ 43510
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1 | 40560 | jjdelcerro | /**
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2 | * gvSIG. Desktop Geographic Information System.
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3 | 40435 | jjdelcerro | *
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4 | 40560 | jjdelcerro | * Copyright (C) 2007-2013 gvSIG Association.
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5 | *
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6 | 40435 | jjdelcerro | * This program is free software; you can redistribute it and/or
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7 | * modify it under the terms of the GNU General Public License
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8 | 40560 | jjdelcerro | * as published by the Free Software Foundation; either version 3
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9 | 40435 | jjdelcerro | * of the License, or (at your option) any later version.
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10 | 40560 | jjdelcerro | *
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11 | 40435 | jjdelcerro | * This program is distributed in the hope that it will be useful,
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12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 | * GNU General Public License for more details.
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15 | 40560 | jjdelcerro | *
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16 | 40435 | jjdelcerro | * You should have received a copy of the GNU General Public License
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17 | * along with this program; if not, write to the Free Software
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18 | 40560 | jjdelcerro | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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19 | 40435 | jjdelcerro | * MA 02110-1301, USA.
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20 | 40560 | jjdelcerro | *
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21 | * For any additional information, do not hesitate to contact us
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22 | * at info AT gvsig.com, or visit our website www.gvsig.com.
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23 | 40435 | jjdelcerro | */
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24 | package org.gvsig.symbology.fmap.mapcontext.rendering.symbol.line.impl; |
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25 | |||
26 | import java.awt.Color; |
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27 | import java.awt.Graphics2D; |
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28 | import java.awt.Rectangle; |
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29 | import java.awt.geom.AffineTransform; |
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30 | import java.util.ArrayList; |
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31 | import java.util.List; |
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32 | |||
33 | import org.gvsig.compat.print.PrintAttributes; |
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34 | import org.gvsig.fmap.dal.feature.Feature; |
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35 | import org.gvsig.fmap.geom.Geometry; |
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36 | import org.gvsig.fmap.mapcontext.MapContextLocator; |
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37 | import org.gvsig.fmap.mapcontext.ViewPort; |
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38 | import org.gvsig.fmap.mapcontext.rendering.symbols.IMultiLayerSymbol; |
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39 | import org.gvsig.fmap.mapcontext.rendering.symbols.ISymbol; |
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40 | import org.gvsig.fmap.mapcontext.rendering.symbols.SymbolDrawingException; |
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41 | import org.gvsig.fmap.mapcontext.rendering.symbols.SymbolManager; |
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42 | import org.gvsig.symbology.fmap.mapcontext.rendering.symbol.line.ILineSymbol; |
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43 | import org.gvsig.symbology.fmap.mapcontext.rendering.symbol.line.IMultiLayerLineSymbol; |
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44 | import org.gvsig.symbology.fmap.mapcontext.rendering.symbol.style.ILineStyle; |
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45 | import org.gvsig.tools.ToolsLocator; |
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46 | import org.gvsig.tools.dynobject.DynStruct; |
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47 | import org.gvsig.tools.persistence.PersistenceManager; |
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48 | import org.gvsig.tools.persistence.PersistentState; |
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49 | import org.gvsig.tools.persistence.exception.PersistenceException; |
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50 | import org.gvsig.tools.task.Cancellable; |
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51 | import org.gvsig.tools.util.Callable; |
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52 | |||
53 | /**
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54 | * MultiLayerLineSymbol allows to create new symbols using a composition of several lineal
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55 | * symbols (xxxLineSymbol implementing ILineSymbol)and be treated as an only one symbol.
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56 | *
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57 | * @author jaume dominguez faus - jaume.dominguez@iver.es
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58 | * @author 2009- <a href="cordinyana@gvsig.org">C?sar Ordi?ana</a> - gvSIG team
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59 | */
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60 | public class MultiLayerLineSymbol extends AbstractLineSymbol implements |
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61 | ILineSymbol, IMultiLayerSymbol, IMultiLayerLineSymbol { |
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62 | |||
63 | public static final String MULTILAYER_LINE_SYMBOL_PERSISTENCE_DEFINITION_NAME = "MultiLayerLineSymbol"; |
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64 | 42439 | dmartinezizquierdo | |
65 | 40435 | jjdelcerro | private static final String FIELD_LAYERS = "layers"; |
66 | 42439 | dmartinezizquierdo | |
67 | 40435 | jjdelcerro | private ILineSymbol[] layers = new ILineSymbol[0]; |
68 | private MultiLayerLineSymbol selectionSymbol;
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69 | 42439 | dmartinezizquierdo | |
70 | 40435 | jjdelcerro | // Cached greatest line width from all the layers
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71 | private double lineWidth; |
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72 | |||
73 | public MultiLayerLineSymbol() {
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74 | super();
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75 | } |
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76 | 42439 | dmartinezizquierdo | |
77 | 40435 | jjdelcerro | public Color getColor() { |
78 | /*
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79 | * a multilayer symbol does not define any color, the color
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80 | * of each layer is defined by the layer itself
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81 | */
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82 | return null; |
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83 | } |
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84 | |||
85 | public ILineStyle getLineStyle() {
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86 | /*
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87 | * a multilayer symbol does not define any style, the style
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88 | * of each layer is defined by the layer itself
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89 | */
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90 | return null; |
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91 | } |
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92 | |||
93 | public double getLineWidth() { |
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94 | return lineWidth;
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95 | } |
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96 | |||
97 | // private double calculateLineWidth() {
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98 | // double myLineWidth = 0;
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99 | // for (int i = 0; i < getLayerCount(); i++) {
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100 | // myLineWidth = Math.max(myLineWidth,
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101 | // ((ILineSymbol) getLayer(i)).getLineWidth());
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102 | // }
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103 | // return myLineWidth;
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104 | // }
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105 | |||
106 | 42439 | dmartinezizquierdo | public void setLineWidth(double width) { |
107 | 40435 | jjdelcerro | if (width > 0 && width != lineWidth) { |
108 | this.lineWidth = width;
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109 | double scaleFactor = width / lineWidth;
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110 | for (int i = 0; layers != null && i < layers.length; i++) { |
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111 | layers[i].setLineWidth(layers[i].getLineWidth() * scaleFactor); |
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112 | } |
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113 | } |
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114 | } |
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115 | |||
116 | public void setLineColor(Color color) { |
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117 | /*
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118 | * will apply the color to each layer
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119 | */
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120 | for (int i = 0; layers != null && i < layers.length; i++) { |
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121 | layers[i].setLineColor(color); |
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122 | } |
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123 | } |
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124 | |||
125 | public void setLineStyle(ILineStyle lineStyle) { |
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126 | /*
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127 | * will apply the same patter to each layer
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128 | */
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129 | for (int i = 0; layers != null && i < layers.length; i++) { |
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130 | layers[i].setLineStyle(lineStyle); |
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131 | } |
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132 | } |
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133 | |||
134 | public void draw(Graphics2D g, AffineTransform affineTransform, |
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135 | Geometry geom, Feature feature, Cancellable cancel) { |
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136 | for (int i = 0; (cancel == null || !cancel.isCanceled()) |
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137 | && layers != null && i < layers.length; i++) {
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138 | layers[i].draw(g, affineTransform, geom, feature, cancel); |
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139 | } |
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140 | } |
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141 | |||
142 | public void drawInsideRectangle(Graphics2D g, AffineTransform scaleInstance, Rectangle r, PrintAttributes properties) throws SymbolDrawingException { |
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143 | for (int i = 0; layers != null && i < layers.length; i++) { |
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144 | layers[i].drawInsideRectangle(g, scaleInstance, r, properties); |
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145 | } |
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146 | } |
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147 | |||
148 | public int getOnePointRgb() { |
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149 | // will paint only the last layer pixel
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150 | return layers[layers.length-1].getOnePointRgb(); |
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151 | } |
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152 | |||
153 | public void getPixExtentPlus(Geometry geom, float[] distances, |
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154 | ViewPort viewPort, int dpi) {
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155 | float[] myDistances = new float[] {0,0}; |
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156 | distances[0] = 0; |
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157 | distances[1] = 0; |
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158 | for (int i = 0; layers != null && i < layers.length; i++) { |
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159 | layers[i].getPixExtentPlus(geom, myDistances, viewPort, dpi); |
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160 | distances[0] = Math.max(myDistances[0], distances[0]); |
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161 | distances[1] = Math.max(myDistances[1], distances[1]); |
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162 | } |
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163 | } |
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164 | |||
165 | public ISymbol getSymbolForSelection() {
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166 | if (selectionSymbol == null) { |
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167 | selectionSymbol = new MultiLayerLineSymbol();
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168 | selectionSymbol.setDescription(getDescription()); |
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169 | for (int i = 0; layers != null && i < layers.length; i++) { |
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170 | selectionSymbol.addLayer(layers[i].getSymbolForSelection()); |
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171 | } |
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172 | 42439 | dmartinezizquierdo | } else {
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173 | for (int i = 0; i < selectionSymbol.getLayerCount(); i++) { |
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174 | selectionSymbol.setLayer(i, selectionSymbol.getLayer(i).getSymbolForSelection()); |
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175 | } |
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176 | } |
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177 | 40435 | jjdelcerro | return selectionSymbol;
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178 | } |
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179 | |||
180 | 43510 | jjdelcerro | @Override
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181 | 40435 | jjdelcerro | public boolean isSuitableFor(Geometry geom) { |
182 | 43510 | jjdelcerro | return geom.getGeometryType().isTypeOf(Geometry.TYPES.CURVE);
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183 | 40435 | jjdelcerro | } |
184 | |||
185 | 43510 | jjdelcerro | @Override
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186 | 40435 | jjdelcerro | public void print(Graphics2D g, AffineTransform at, Geometry geom, PrintAttributes properties) { |
187 | for (int i = 0; layers != null && i < layers.length; i++) { |
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188 | layers[i].print(g, at, geom, properties); |
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189 | } |
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190 | |||
191 | } |
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192 | |||
193 | public void setLayer(int index, ISymbol layer) throws IndexOutOfBoundsException { |
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194 | layers[index] = (ILineSymbol) layer; |
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195 | } |
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196 | |||
197 | public void swapLayers(int index1, int index2) { |
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198 | ISymbol aux1 = getLayer(index1), aux2 = getLayer(index2); |
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199 | layers[index2] = (ILineSymbol) aux1; |
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200 | layers[index1] = (ILineSymbol) aux2; |
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201 | } |
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202 | |||
203 | public ISymbol getLayer(int layerIndex) { |
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204 | return layers[layerIndex];
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205 | } |
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206 | |||
207 | public int getLayerCount() { |
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208 | return layers.length;
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209 | } |
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210 | |||
211 | public void addLayer(ISymbol newLayer) { |
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212 | addLayer(newLayer, layers.length); |
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213 | } |
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214 | |||
215 | public void addLayer(ISymbol newLayer, int layerIndex) throws IndexOutOfBoundsException { |
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216 | |||
217 | if (newLayer == null) { |
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218 | return; // null are not allowed |
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219 | } |
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220 | ILineSymbol newLine = (ILineSymbol) newLayer; |
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221 | if (getLayerCount() == 0) { |
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222 | // apply the new layer properties to this multilayer
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223 | |||
224 | setReferenceSystem(newLine.getReferenceSystem()); |
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225 | setUnit(newLine.getUnit()); |
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226 | lineWidth = newLine.getLineWidth(); |
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227 | } else {
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228 | if (newLine.getLineWidth() > getLineWidth()) {
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229 | lineWidth = newLine.getLineWidth(); |
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230 | } |
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231 | newLine.setReferenceSystem(getReferenceSystem()); |
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232 | newLine.setUnit(getUnit()); |
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233 | } |
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234 | |||
235 | selectionSymbol = null; /* forces the selection symbol to be re-created |
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236 | * next time it is required
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237 | */
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238 | |||
239 | |||
240 | if (layerIndex < 0 || layers.length < layerIndex) { |
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241 | throw new IndexOutOfBoundsException(layerIndex+" < 0 or "+layerIndex+" > "+layers.length); |
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242 | } |
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243 | List<ISymbol> newLayers = new ArrayList<ISymbol>(); |
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244 | for (int i = 0; i < layers.length; i++) { |
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245 | newLayers.add(layers[i]); |
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246 | } |
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247 | try {
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248 | newLayers.add(layerIndex, newLayer); |
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249 | layers = (ILineSymbol[])newLayers.toArray(new ILineSymbol[0]); |
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250 | } catch (ArrayStoreException asEx) { |
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251 | throw new ClassCastException(newLayer.getClass().getName()+" is not an ILineSymbol"); |
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252 | } |
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253 | } |
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254 | |||
255 | public boolean removeLayer(ISymbol layer) { |
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256 | |||
257 | int capacity = 0; |
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258 | capacity = layers.length; |
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259 | List<ILineSymbol> lst = new ArrayList<ILineSymbol>(capacity); |
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260 | for (int i = 0; i < capacity; i++) { |
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261 | lst.add(layers[i]); |
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262 | } |
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263 | boolean contains = lst.remove(layer);
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264 | layers = (ILineSymbol[])lst.toArray(new ILineSymbol[0]); |
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265 | return contains;
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266 | } |
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267 | |||
268 | public int getAlpha() { |
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269 | // will compute the acumulated opacity
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270 | double myAlpha = 0; |
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271 | for (int i = 0; i < layers.length; i++) { |
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272 | double layerAlpha = layers[i].getAlpha()/255D; |
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273 | myAlpha += (1-myAlpha)*layerAlpha;
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274 | } |
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275 | int result = (int) Math.round(myAlpha * 255); |
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276 | return (result>255) ? 255 : result; |
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277 | } |
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278 | |||
279 | public void setAlpha(int outlineAlpha) { |
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280 | // first, get the biggest alpha in the layers and the index if such layer
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281 | int maxAlpha = Integer.MIN_VALUE; |
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282 | int maxAlphaLayerIndex = 0; |
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283 | for (int i = 0; i < layers.length; i++) { |
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284 | if (layers[i].getAlpha() > maxAlpha) {
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285 | maxAlpha = layers[i].getAlpha(); |
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286 | maxAlphaLayerIndex = i; |
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287 | } |
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288 | } |
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289 | |||
290 | // now, max alpha takes the value of the desired alpha and the rest
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291 | // will take a scaled (to biggest alpha) alpha value
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292 | for (int i = 0; layers != null && i < layers.length; i++) { |
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293 | if (i!=maxAlphaLayerIndex) {
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294 | double scaledAlpha = (double) layers[i].getAlpha()/maxAlpha; |
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295 | int myAlpha = (int) (outlineAlpha*scaledAlpha); |
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296 | if (myAlpha == 0) { |
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297 | myAlpha = 1;
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298 | } |
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299 | layers[i].setAlpha(myAlpha); |
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300 | } else {
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301 | int myAlpha = outlineAlpha;
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302 | if (myAlpha == 0) { |
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303 | myAlpha = 1;
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304 | } |
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305 | layers[i].setAlpha(myAlpha); |
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306 | } |
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307 | } |
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308 | |||
309 | } |
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310 | |||
311 | public void setUnit(int unitIndex) { |
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312 | super.setUnit(unitIndex);
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313 | for (int i = 0; layers != null && i < layers.length; i++) { |
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314 | layers[i].setUnit(unitIndex); |
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315 | } |
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316 | } |
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317 | |||
318 | public void setReferenceSystem(int system) { |
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319 | super.setReferenceSystem(system);
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320 | for (int i = 0; layers != null && i < layers.length; i++) { |
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321 | layers[i].setReferenceSystem(system); |
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322 | } |
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323 | } |
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324 | |||
325 | public void setCartographicSize(double cartographicSize, Geometry geom) { |
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326 | // super.setCartographicSize(cartographicSize, shp);
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327 | setLineWidth(cartographicSize); |
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328 | } |
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329 | |||
330 | public Object clone() throws CloneNotSupportedException { |
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331 | MultiLayerLineSymbol copy = (MultiLayerLineSymbol) super.clone();
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332 | |||
333 | // Clone layers
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334 | if (layers != null && layers.length > 0) { |
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335 | ILineSymbol[] layersCopy = new ILineSymbol[layers.length]; |
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336 | for (int i = 0; i < layers.length; i++) { |
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337 | layersCopy[i] = (ILineSymbol) layers[i].clone(); |
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338 | } |
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339 | copy.layers = layersCopy; |
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340 | } |
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341 | |||
342 | // Clone selection
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343 | if (selectionSymbol != null) { |
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344 | copy.selectionSymbol = (MultiLayerLineSymbol) selectionSymbol |
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345 | .clone(); |
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346 | } |
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347 | |||
348 | return copy;
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349 | } |
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350 | |||
351 | @SuppressWarnings("unchecked") |
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352 | public void loadFromState(PersistentState state) |
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353 | throws PersistenceException {
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354 | // Set parent fill symbol properties
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355 | super.loadFromState(state);
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356 | // Set own properties
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357 | List layers = state.getList(FIELD_LAYERS);
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358 | if (layers != null) { |
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359 | for (int i = 0; i < layers.size(); i++) { |
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360 | addLayer((ISymbol) layers.get(i)); |
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361 | } |
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362 | } |
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363 | } |
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364 | |||
365 | public void saveToState(PersistentState state) throws PersistenceException { |
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366 | // Save parent fill symbol properties
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367 | super.saveToState(state);
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368 | // Save own properties
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369 | state.set(FIELD_LAYERS, layers); |
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370 | } |
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371 | 42439 | dmartinezizquierdo | |
372 | 40435 | jjdelcerro | public static class RegisterPersistence implements Callable { |
373 | |||
374 | public Object call() throws Exception { |
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375 | PersistenceManager manager = ToolsLocator.getPersistenceManager(); |
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376 | if( manager.getDefinition(MULTILAYER_LINE_SYMBOL_PERSISTENCE_DEFINITION_NAME)==null ) { |
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377 | DynStruct definition = manager.addDefinition( |
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378 | MultiLayerLineSymbol.class, |
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379 | MULTILAYER_LINE_SYMBOL_PERSISTENCE_DEFINITION_NAME, |
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380 | MULTILAYER_LINE_SYMBOL_PERSISTENCE_DEFINITION_NAME+" Persistence definition",
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381 | 42439 | dmartinezizquierdo | null,
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382 | 40435 | jjdelcerro | null
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383 | ); |
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384 | // Extend the LineSymbol base definition
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385 | definition.extend(manager.getDefinition(LINE_SYMBOL_PERSISTENCE_DEFINITION_NAME)); |
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386 | |||
387 | // Layers
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388 | definition.addDynFieldList(FIELD_LAYERS).setClassOfItems(ILineSymbol.class); |
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389 | } |
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390 | return Boolean.TRUE; |
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391 | } |
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392 | 42439 | dmartinezizquierdo | |
393 | 40435 | jjdelcerro | } |
394 | |||
395 | public static class RegisterSymbol implements Callable { |
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396 | |||
397 | public Object call() throws Exception { |
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398 | int[] shapeTypes; |
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399 | SymbolManager manager = MapContextLocator.getSymbolManager(); |
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400 | |||
401 | shapeTypes = new int[] { Geometry.TYPES.CURVE, Geometry.TYPES.ARC, |
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402 | Geometry.TYPES.ELLIPTICARC, Geometry.TYPES.MULTICURVE }; |
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403 | manager.registerMultiLayerSymbol(ILineSymbol.SYMBOL_NAME, |
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404 | shapeTypes, |
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405 | MultiLayerLineSymbol.class); |
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406 | |||
407 | return Boolean.TRUE; |
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408 | } |
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409 | 42439 | dmartinezizquierdo | |
410 | 40435 | jjdelcerro | } |
411 | |||
412 | } |