Mercurial > mxd2map

annotate src/java/de/intevation/mxd/reader/PictureMarkerSymbolReader.java @ 294:8079b2acca67

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Add RotationElement attribute that saves which element should be used for angle calculation
author Andre Heinecke <aheinecke@intevation.de>
date Mon, 03 Sep 2012 17:20:48 +0200
parents 2cb2f26d0d54
children a46adb3697fa
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.support.ms.stdole.Picture;
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28 import com.esri.arcgis.display.RgbColor;
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29
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30 import org.w3c.dom.Element;
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31 import java.io.IOException;
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32 import java.awt.Image;
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33 import java.awt.image.BufferedImage;
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34 import javax.imageio.ImageIO;
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35 import java.io.ByteArrayOutputStream;
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36 import java.awt.Color;
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37
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38 import org.apache.commons.codec.binary.Base64;
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39
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40 /**
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41 * Reads picture marker symbol information.
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42 *
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43 * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a>
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44 */
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83932f18dddc All symbol reader now extend the abstract symbol reader.
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45 public class PictureMarkerSymbolReader
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46 extends AbstractSymbolReader {
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47
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48 /**
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49 * The logger.
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50 */
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51 private static final Logger logger =
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52 Logger.getLogger(PictureMarkerSymbolReader.class);
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53
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54 /**
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55 * Private member.
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56 */
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57 private PictureMarkerSymbol symbol;
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58
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59 public PictureMarkerSymbolReader(ISymbol symbol)
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60 throws Exception {
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61 logger.debug("contructor()");
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62 if(symbol instanceof PictureMarkerSymbol) {
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63 this.symbol = (PictureMarkerSymbol)symbol;
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64 }
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65 else {
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66 throw new Exception("Not a PictureMarkerSymbol!");
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67 }
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68 }
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69
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70 public PictureMarkerSymbolReader(IMarkerSymbol symbol)
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71 throws Exception {
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72 logger.debug("contructor()");
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73 if(symbol instanceof PictureMarkerSymbol) {
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74 this.symbol = (PictureMarkerSymbol)symbol;
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75 }
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76 else {
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77 throw new Exception("Not a PictureMarkerSymbol!");
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78 }
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79 }
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80
58
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81 /**
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82 * Reads the symbol attributes.
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83 *
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84 * @return The XML node.
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85 */
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86 public Element read() {
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87 //TODO Read the picture from mxd and write it as base64 string to the
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88 // XML Element.
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89 logger.debug("read()");
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90 Element symbolElement = util.addSymbol(parent);
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91
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92 try {
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93 symbolElement.setAttribute(
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94 "angle",
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95 String.valueOf(symbol.getAngle()));
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96 }
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97 catch(IOException ioe) {
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98 logger.warn("Could not read angle.");
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99 }
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100
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101 try {
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102 symbolElement.setAttribute(
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103 "size",
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104 String.valueOf(symbol.getSize()));
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105 }
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106 catch (IOException ioe) {
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107 logger.warn("Could not read size. Setting size to 1.");
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108 symbolElement.setAttribute("size", "1");
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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_offset",
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114 String.valueOf(symbol.getXOffset()));
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115 }
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116 catch(IOException ioe) {
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117 logger.warn("Could not read x-offset.");
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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_offset",
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123 String.valueOf(symbol.getYOffset()));
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124 }
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125 catch(IOException ioe) {
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126 logger.warn("Could not read y-offset.");
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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 "name",
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132 symbol.getNameString());
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133 }
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134 catch(IOException ioe) {
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135 logger.warn("Could not read name. Setting name to \"default\"");
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136 symbolElement.setAttribute("name", "default");
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137 }
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138
251
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139 //Read the picture and convert to base64.
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140 try {
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141 Picture p = symbol.getPicture();
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142 Image i = p.toImage();
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143 if(i instanceof BufferedImage) {
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144 BufferedImage bi = (BufferedImage)i;
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145 ByteArrayOutputStream baos = new ByteArrayOutputStream();
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raimund renkert <raimund.renkert@intevation.de>
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146 //Get byte array from image.
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raimund renkert <raimund.renkert@intevation.de>
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147 ImageIO.write(bi, "BMP", baos);
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raimund renkert <raimund.renkert@intevation.de>
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148 Base64 encoder = new Base64();
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raimund renkert <raimund.renkert@intevation.de>
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149 //encode in a base64 string
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raimund renkert <raimund.renkert@intevation.de>
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150 String pict = encoder.encodeBase64String(baos.toByteArray());
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raimund renkert <raimund.renkert@intevation.de>
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151 symbolElement.setAttribute("picture", pict);
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152
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raimund renkert <raimund.renkert@intevation.de>
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153 //Get transparent color.
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raimund renkert <raimund.renkert@intevation.de>
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154 RgbColor c = new RgbColor();
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raimund renkert <raimund.renkert@intevation.de>
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155 c.setRGB(symbol.getBitmapTransparencyColor().getRGB());
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raimund renkert <raimund.renkert@intevation.de>
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156 Color transp = new Color (
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raimund renkert <raimund.renkert@intevation.de>
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157 c.getRed(),
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raimund renkert <raimund.renkert@intevation.de>
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158 c.getGreen(),
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raimund renkert <raimund.renkert@intevation.de>
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159 c.getBlue());
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raimund renkert <raimund.renkert@intevation.de>
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160 symbolElement.setAttribute(
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raimund renkert <raimund.renkert@intevation.de>
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161 "transparent_color",
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raimund renkert <raimund.renkert@intevation.de>
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162 String.valueOf(transp.getRGB()));
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raimund renkert <raimund.renkert@intevation.de>
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163 }
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raimund renkert <raimund.renkert@intevation.de>
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164 else {
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raimund renkert <raimund.renkert@intevation.de>
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165 logger.warn("Could not read image symbol.");
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raimund renkert <raimund.renkert@intevation.de>
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166 return null;
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raimund renkert <raimund.renkert@intevation.de>
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167 }
115
fb93f20478cc Improved exception handling for symbol reader.
Raimund Renkert <rrenkert@intevation.de>
parents: 89
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168 }
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Raimund Renkert <rrenkert@intevation.de>
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169 catch(IOException ioe) {
135
a4ab239509f1 Updated the default values and reader error handling.
Raimund Renkert <rrenkert@intevation.de>
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170 logger.warn("Could not read picture.");
115
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Raimund Renkert <rrenkert@intevation.de>
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171 }
58
4e0464c620f0 Introduced the picture symbol reader.
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172 symbolElement.setAttribute("style", "picture");
89
475ee3e4bc8b Added "type" as XML attribute to symbols.
Raimund Renkert <rrenkert@intevation.de>
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173 symbolElement.setAttribute("type", "marker");
58
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Raimund Renkert <rrenkert@intevation.de>
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174 return symbolElement;
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Raimund Renkert <rrenkert@intevation.de>
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175 }
4e0464c620f0 Introduced the picture symbol reader.
Raimund Renkert <rrenkert@intevation.de>
parents:
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176 }
4e0464c620f0 Introduced the picture symbol reader.
Raimund Renkert <rrenkert@intevation.de>
parents:
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177 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
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