Mercurial > mxd2map

annotate src/java/de/intevation/mxd/reader/PictureMarkerSymbolReader.java @ 259:8fe9ccc77962

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Introduced a MapScript helper class and improved metadata handling.
author raimund renkert <raimund.renkert@intevation.de>
date Tue, 16 Aug 2011 13:09:57 +0200
parents 6b80e46b8f38
children 2cb2f26d0d54
rev   line source
243
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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
58
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20 package de.intevation.mxd.reader;
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21
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22 import org.apache.log4j.Logger;
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23
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24 import com.esri.arcgis.display.ISymbol;
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25 import com.esri.arcgis.display.IMarkerSymbol;
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26 import com.esri.arcgis.display.PictureMarkerSymbol;
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27 import com.esri.arcgis.carto.PictureElement;
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28 import com.esri.arcgis.support.ms.stdole.Picture;
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29 import com.esri.arcgis.display.RgbColor;
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30
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31 import org.w3c.dom.Element;
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32 import java.io.IOException;
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33 import java.awt.Image;
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34 import java.awt.image.BufferedImage;
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35 import java.awt.image.DataBufferByte;
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36 import javax.imageio.ImageIO;
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37 import java.io.ByteArrayOutputStream;
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38 import java.awt.Color;
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39
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40 import org.apache.commons.codec.binary.Base64;
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41
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42 /**
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43 * Reads picture marker 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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83932f18dddc All symbol reader now extend the abstract symbol reader.
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47 public class PictureMarkerSymbolReader
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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(PictureMarkerSymbolReader.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 PictureMarkerSymbol symbol;
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60
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61 public PictureMarkerSymbolReader(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 PictureMarkerSymbol) {
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65 this.symbol = (PictureMarkerSymbol)symbol;
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66 }
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67 else {
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68 throw new Exception("Not a PictureMarkerSymbol!");
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69 }
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70 }
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71
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72 public PictureMarkerSymbolReader(IMarkerSymbol symbol)
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73 throws Exception {
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74 logger.debug("contructor()");
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75 if(symbol instanceof PictureMarkerSymbol) {
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76 this.symbol = (PictureMarkerSymbol)symbol;
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77 }
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78 else {
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79 throw new Exception("Not a PictureMarkerSymbol!");
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80 }
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81 }
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82
58
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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(
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96 "angle",
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97 String.valueOf(symbol.getAngle()));
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98 }
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99 catch(IOException ioe) {
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100 logger.warn("Could not read angle.");
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101 }
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102
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103 try {
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104 symbolElement.setAttribute(
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105 "size",
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106 String.valueOf(symbol.getSize()));
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107 }
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108 catch (IOException ioe) {
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109 logger.warn("Could not read size. Setting size to 1.");
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110 symbolElement.setAttribute("size", "1");
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111 }
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112
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113 try {
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114 symbolElement.setAttribute(
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115 "x_offset",
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116 String.valueOf(symbol.getXOffset()));
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117 }
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118 catch(IOException ioe) {
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119 logger.warn("Could not read x-offset.");
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120 }
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121
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122 try {
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123 symbolElement.setAttribute(
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124 "y_offset",
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125 String.valueOf(symbol.getYOffset()));
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126 }
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127 catch(IOException ioe) {
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128 logger.warn("Could not read y-offset.");
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129 }
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130
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131 try {
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132 symbolElement.setAttribute(
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133 "name",
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134 symbol.getNameString());
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135 }
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136 catch(IOException ioe) {
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137 logger.warn("Could not read name. Setting name to \"default\"");
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138 symbolElement.setAttribute("name", "default");
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139 }
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140
251
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141 //Read the picture and convert to base64.
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142 try {
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143 Picture p = symbol.getPicture();
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144 Image i = p.toImage();
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145 if(i instanceof BufferedImage) {
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raimund renkert <raimund.renkert@intevation.de>
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146 BufferedImage bi = (BufferedImage)i;
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147 ByteArrayOutputStream baos = new ByteArrayOutputStream();
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148 //Get byte array from image.
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raimund renkert <raimund.renkert@intevation.de>
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149 ImageIO.write(bi, "BMP", baos);
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raimund renkert <raimund.renkert@intevation.de>
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150 Base64 encoder = new Base64();
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raimund renkert <raimund.renkert@intevation.de>
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151 //encode in a base64 string
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raimund renkert <raimund.renkert@intevation.de>
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152 String pict = encoder.encodeBase64String(baos.toByteArray());
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raimund renkert <raimund.renkert@intevation.de>
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153 symbolElement.setAttribute("picture", pict);
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raimund renkert <raimund.renkert@intevation.de>
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154
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raimund renkert <raimund.renkert@intevation.de>
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155 //Get transparent color.
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raimund renkert <raimund.renkert@intevation.de>
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156 RgbColor c = new RgbColor();
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raimund renkert <raimund.renkert@intevation.de>
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157 c.setRGB(symbol.getBitmapTransparencyColor().getRGB());
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raimund renkert <raimund.renkert@intevation.de>
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158 Color transp = new Color (
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raimund renkert <raimund.renkert@intevation.de>
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159 c.getRed(),
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raimund renkert <raimund.renkert@intevation.de>
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160 c.getGreen(),
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raimund renkert <raimund.renkert@intevation.de>
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161 c.getBlue());
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raimund renkert <raimund.renkert@intevation.de>
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162 symbolElement.setAttribute(
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raimund renkert <raimund.renkert@intevation.de>
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163 "transparent_color",
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raimund renkert <raimund.renkert@intevation.de>
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164 String.valueOf(transp.getRGB()));
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raimund renkert <raimund.renkert@intevation.de>
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165 }
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raimund renkert <raimund.renkert@intevation.de>
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166 else {
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raimund renkert <raimund.renkert@intevation.de>
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167 logger.warn("Could not read image symbol.");
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raimund renkert <raimund.renkert@intevation.de>
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168 return null;
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raimund renkert <raimund.renkert@intevation.de>
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169 }
115
fb93f20478cc Improved exception handling for symbol reader.
Raimund Renkert <rrenkert@intevation.de>
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170 }
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Raimund Renkert <rrenkert@intevation.de>
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171 catch(IOException ioe) {
135
a4ab239509f1 Updated the default values and reader error handling.
Raimund Renkert <rrenkert@intevation.de>
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172 logger.warn("Could not read picture.");
115
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Raimund Renkert <rrenkert@intevation.de>
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173 }
58
4e0464c620f0 Introduced the picture symbol reader.
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174 symbolElement.setAttribute("style", "picture");
89
475ee3e4bc8b Added "type" as XML attribute to symbols.
Raimund Renkert <rrenkert@intevation.de>
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175 symbolElement.setAttribute("type", "marker");
58
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Raimund Renkert <rrenkert@intevation.de>
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176 return symbolElement;
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177 }
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Raimund Renkert <rrenkert@intevation.de>
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178 }
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Raimund Renkert <rrenkert@intevation.de>
parents:
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179 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
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