Mercurial > mxd2map

annotate src/java/de/intevation/mxd/reader/PictureLineSymbolReader.java @ 251:6b80e46b8f38

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Added picture symbol support to the converter.
author raimund renkert <raimund.renkert@intevation.de>
date Fri, 12 Aug 2011 16:08:57 +0200
parents df4e0946ef02
children 2cb2f26d0d54
rev   line source
243
df4e0946ef02 Added LGPL header.
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1 /*
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2 * Copyright (c) 2011 by Intevation GmbH, Germany <info@intevation.de>
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3 *
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4 * This file is part of MXD2map.
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5 *
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6 * This program is free software under the LGPL (>=v2.1)
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7 * Read the file LICENCE.txt coming with the software for details
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8 * or visit http://www.gnu.org/licenses/ if it does not exist.
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9 *
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10 * MXD2map has been developed on behalf of the
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11 * Bundesamt fuer Seeschifffahrt und Hydrographie (BSH) in Hamburg
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12 * by Intevation GmbH.
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13 *
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14 * Authors:
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15 * Raimund Renkert <raimund.renkert@intevation.de>
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16 * Bjoern Schilberg <bjoern.schilberg@intevation.de>
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17 * Stephan Holl <stephan.holl@intevation.de>
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18 */
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19
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20 package de.intevation.mxd.reader;
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21
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22 import java.awt.Color;
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23 import java.awt.Image;
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24
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25 import org.apache.log4j.Logger;
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26
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27 import com.esri.arcgis.display.ISymbol;
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28 import com.esri.arcgis.display.ILineSymbol;
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29 import com.esri.arcgis.display.PictureLineSymbol;
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30 import com.esri.arcgis.support.ms.stdole.Picture;
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31 import com.esri.arcgis.display.IRgbColor;
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32 import com.esri.arcgis.display.RgbColor;
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33
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34 import org.w3c.dom.Element;
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35 import java.io.IOException;
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36 import java.awt.image.BufferedImage;
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37 import java.awt.image.DataBufferByte;
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38 import javax.imageio.ImageIO;
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39 import java.io.ByteArrayOutputStream;
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40
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41 import org.apache.commons.codec.binary.Base64;
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42 /**
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43 * Reads picture line symbol information.
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44 *
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45 * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a>
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46 */
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47 public class PictureLineSymbolReader
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48 extends AbstractSymbolReader {
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49
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50 /**
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51 * The logger.
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52 */
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53 private static final Logger logger =
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54 Logger.getLogger(SimpleLineSymbolReader.class);
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55
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56 /**
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57 * Private member.
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58 */
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59 private PictureLineSymbol symbol;
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60
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61 public PictureLineSymbolReader(ISymbol symbol)
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62 throws Exception {
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63 logger.debug("contructor()");
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64 if(symbol instanceof PictureLineSymbol) {
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65 this.symbol = (PictureLineSymbol)symbol;
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66 }
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67 else {
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68 throw new Exception("Not a PictureLineSymbol!");
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69 }
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70 }
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71
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72 public PictureLineSymbolReader(ILineSymbol symbol)
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73 throws Exception {
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74 logger.debug("contructor()");
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75 if(symbol instanceof PictureLineSymbol) {
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76 this.symbol = (PictureLineSymbol)symbol;
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77 }
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78 else {
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79 throw new Exception("Not a PictureLineSymbol!");
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80 }
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81 }
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82
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83 /**
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84 * Reads the symbol attributes.
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85 *
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86 * @return The XML node.
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87 */
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88 public Element read() {
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89 //TODO Read the picture from mxd and write it as base64 string to the
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90 // XML Element.
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91 logger.debug("read()");
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92 Element symbolElement = util.addSymbol(parent);
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93
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94 try {
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95 symbolElement.setAttribute("name", symbol.getNameString());
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96 }
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97 catch(IOException ioe) {
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98 logger.warn("Could not read name. Setting name to \"default\"");
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99 symbolElement.setAttribute("name", "default");
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100 }
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101
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102 try {
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103 symbolElement.setAttribute(
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104 "offset",
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105 String.valueOf(symbol.getOffset()));
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106 }
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107 catch(IOException ioe) {
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108 logger.warn("Could not read offset.");
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109 }
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110
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111 try {
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112 symbolElement.setAttribute(
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113 "x_scale",
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114 String.valueOf(symbol.getXScale()));
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115 }
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116 catch(IOException ioe) {
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117 logger.warn("Could not read x-scale.");
115
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118 }
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119
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120 try {
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121 symbolElement.setAttribute(
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122 "y_scale",
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123 String.valueOf(symbol.getYScale()));
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124 }
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125 catch(IOException ioe) {
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126 logger.warn("Could not read y-scale.");
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127 }
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128
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129 try {
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130 symbolElement.setAttribute(
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131 "width",
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132 String.valueOf(symbol.getWidth()));
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133 }
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134 catch(IOException ioe) {
135
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135 logger.warn("Could not read width.");
115
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136 }
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137
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138 //Read the picture and convert to base64.
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139 try {
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140 Picture p = symbol.getPicture();
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141 Image i = p.toImage();
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142 if(i instanceof BufferedImage) {
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143 BufferedImage bi = (BufferedImage)i;
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144 ByteArrayOutputStream baos = new ByteArrayOutputStream();
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145 //Get byte array from image.
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raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
146 ImageIO.write(bi, "BMP", baos);
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raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
147 Base64 encoder = new Base64();
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raimund renkert <raimund.renkert@intevation.de>
parents: 243
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148 //encode in a base64 string
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raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
149 String pict = encoder.encodeBase64String(baos.toByteArray());
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raimund renkert <raimund.renkert@intevation.de>
parents: 243
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150 symbolElement.setAttribute("picture", pict);
115
fb93f20478cc Improved exception handling for symbol reader.
Raimund Renkert <rrenkert@intevation.de>
parents: 97
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151
251
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raimund renkert <raimund.renkert@intevation.de>
parents: 243
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152 //Get transparent color.
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
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153 RgbColor c = new RgbColor();
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raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
154 c.setRGB(symbol.getBitmapTransparencyColor().getRGB());
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raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
155 Color transp = new Color (
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raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
156 c.getRed(),
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raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
157 c.getGreen(),
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raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
158 c.getBlue());
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raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
159 symbolElement.setAttribute(
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raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
160 "transparent_color",
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raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
161 String.valueOf(transp.getRGB()));
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raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
162 }
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
163 else {
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
164 logger.warn("Could not read image symbol.");
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
165 return null;
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
166 }
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
167 }
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
168 catch(IOException ioe) {
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
169 logger.warn("Could not read picture.");
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
170 }
97
18e4f143896b Added polygon writer.
Raimund Renkert <rrenkert@intevation.de>
parents: 84
diff changeset
171 symbolElement.setAttribute("type", "line");
64
c73647bd71c0 Added picture line symbol reader.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
172 symbolElement.setAttribute("style", "picture");
c73647bd71c0 Added picture line symbol reader.
Raimund Renkert <rrenkert@intevation.de>
parents:
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173
c73647bd71c0 Added picture line symbol reader.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
174 return symbolElement;
c73647bd71c0 Added picture line symbol reader.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
175 }
c73647bd71c0 Added picture line symbol reader.
Raimund Renkert <rrenkert@intevation.de>
parents:
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176 }
c73647bd71c0 Added picture line symbol reader.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
177 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
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