Mercurial > mxd2map
annotate src/java/de/intevation/mxd/reader/PictureMarkerSymbolReader.java @ 251:6b80e46b8f38
Added picture symbol support to the converter.
author | raimund renkert <raimund.renkert@intevation.de> |
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date | Fri, 12 Aug 2011 16:08:57 +0200 |
parents | df4e0946ef02 |
children | 2cb2f26d0d54 |
rev | line source |
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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 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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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 |
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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) { |
135
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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 { |
251
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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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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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149 ImageIO.write(bi, "BMP", baos); |
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150 Base64 encoder = new Base64(); |
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151 //encode in a base64 string |
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152 String pict = encoder.encodeBase64String(baos.toByteArray()); |
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153 symbolElement.setAttribute("picture", pict); |
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154 |
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155 //Get transparent color. |
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156 RgbColor c = new RgbColor(); |
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157 c.setRGB(symbol.getBitmapTransparencyColor().getRGB()); |
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158 Color transp = new Color ( |
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159 c.getRed(), |
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160 c.getGreen(), |
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161 c.getBlue()); |
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162 symbolElement.setAttribute( |
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163 "transparent_color", |
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164 String.valueOf(transp.getRGB())); |
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165 } |
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166 else { |
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167 logger.warn("Could not read image symbol."); |
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168 return null; |
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169 } |
115
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170 } |
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171 catch(IOException ioe) { |
135
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172 logger.warn("Could not read picture."); |
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173 } |
58
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174 symbolElement.setAttribute("style", "picture"); |
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175 symbolElement.setAttribute("type", "marker"); |
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176 return symbolElement; |
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177 } |
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178 } |
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179 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |