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annotate src/java/de/intevation/mxd/writer/LabelStyleWriter.java @ 317:5a2b5bc066eb

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Implement Label Styles and Labels with background
author Andre Heinecke <aheinecke@intevation.de>
date Thu, 20 Sep 2012 12:55:21 +0200
parents
children b6c0fbae16dc
rev   line source
317
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1 /*
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2 * Copyright (c) 2012 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.writer;
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21
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22 import java.awt.Color;
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23
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24 import org.apache.log4j.Logger;
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25
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26 import org.w3c.dom.Element;
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27
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28 import edu.umn.gis.mapscript.mapObj;
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29 import edu.umn.gis.mapscript.classObj;
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30 import edu.umn.gis.mapscript.styleObj;
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31 import edu.umn.gis.mapscript.colorObj;
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32 import edu.umn.gis.mapscript.labelObj;
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33 import edu.umn.gis.mapscript.symbolSetObj;
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34
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35
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36 /**
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37 * The interface to the mapfile writer.
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38 *
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39 * @author <a href="mailto:aheinecke@intevation.de">Andre Heinecke</a>
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40 */
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41 public class LabelStyleWriter {
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42
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43 /**
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44 * The Logger.
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45 */
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46 private static final Logger logger = Logger.getLogger(LabelStyleWriter.class);
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47
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48 /**
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49 * Private member.
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50 */
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51 private mapObj map;
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52 private classObj cl;
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53 private styleObj style;
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54
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55 /**
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56 * Contructor with map object and class object.
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57 *
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58 * @param map The map object.
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59 * @param cl The class object containing the style.
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60 */
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61 public LabelStyleWriter(mapObj map, classObj cl) {
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62 this.map = map;
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63 this.cl = cl;
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64 this.style = new styleObj(cl);
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65 }
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66
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67 /**
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68 * Write the content.
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69 *
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70 * @param symbolElement DOM element containing style attributes.
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71 */
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72 public boolean write(Element symbolElement) {
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73 logger.debug("write(Element)");
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74
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75 style.setGeomTransform("labelpoly");
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76 cl.getLabel().insertStyle(style, -1);
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77
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78 symbolSetObj symbolSet = map.getSymbolset();
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79
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80 if (symbolElement.hasAttribute("angle")) {
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81 try {
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82 style.setAngle(
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83 Double.parseDouble(symbolElement.getAttribute("angle")));
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84 }
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85 catch(NumberFormatException nfe) {
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86 logger.warn("Error setting angle.");
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87 style.setAngle(0.0);
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88 }
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89 }
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90 if(symbolElement.hasAttribute("angleBinding")) {
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91 style.setBinding(2,
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92 symbolElement.getAttribute("angleBinding"));
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93 }
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94 if (symbolElement.hasAttribute("bg_color")) {
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95 // Background color takes precedence over the color as
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96 // background color can be archived by geomtransform
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97 String c = symbolElement.getAttribute("bg_color");
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98 Color col = Color.decode(c);
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99 colorObj color = new colorObj(
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100 col.getRed(),
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101 col.getGreen(),
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102 col.getBlue(),
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103 -4);
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104 style.setColor(color);
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105 } else if(symbolElement.hasAttribute("color")) {
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106 String c = symbolElement.getAttribute("color");
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107 Color col = Color.decode(c);
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108 colorObj color = new colorObj(
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109 col.getRed(),
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110 col.getGreen(),
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111 col.getBlue(),
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112 -4);
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113 style.setColor(color);
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114 }
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115 if (symbolElement.hasAttribute ("size")) {
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116 try {
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117 style.setSize(Double.parseDouble(
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118 symbolElement.getAttribute("size")));
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119 }
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120 catch(NumberFormatException nfe) {
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121 logger.warn("Error setting size. Setting to deafult: 1.");
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122 style.setSize(1);
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123 }
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124 }
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125 if(symbolElement.hasAttribute("outline_color")) {
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126 Color oCol = Color.decode(
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127 symbolElement.getAttribute("outline_color"));
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128 colorObj outlineColor = new colorObj(
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129 oCol.getRed(),
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130 oCol.getGreen(),
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131 oCol.getBlue(),
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132 -4);
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133 style.setOutlinecolor(outlineColor);
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134 try {
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135 style.setOutlinewidth(Double.parseDouble(
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136 symbolElement.getAttribute("outline_size")));
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137 }
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138 catch(NumberFormatException nfe) {
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139 logger.warn("Error setting outline width.");
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140 }
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141 }
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142
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143 if (symbolElement.hasAttribute("x_offset")) {
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144 try {
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145 double val =
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146 Double.parseDouble(symbolElement.getAttribute("x_offset"));
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147 double r = Math.round(val);
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148 style.setOffsetx(r);
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149 }
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150 catch (NumberFormatException nfe) {
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151 logger.warn("Error setting the symbol x-offset");
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152 }
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153 }
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154 if (symbolElement.hasAttribute("y_offset")) {
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155 try {
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156 double val =
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157 Double.parseDouble(symbolElement.getAttribute("y_offset"));
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158 double r = Math.round(val);
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159 //In ArcGIS positive y offset values move the symbol upwards,
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160 //in Mapserver positive values move downwards.
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161 r = -r;
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162 style.setOffsety(r);
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163 }
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164 catch (NumberFormatException nfe) {
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165 logger.warn("Error setting the symbol y-offset.");
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166 }
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167 }
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168 String symType = symbolElement.getAttribute("style");
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169 if(symType.equals("point") ||
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170 symType.equals("arrow") ||
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171 symType.equals("char") ||
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172 symType.equals("picture")) {
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173 SymbolWriter sw = new SymbolWriter(this.map, this.cl);
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174 sw.write(symbolElement);
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175 }
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176 else {
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177 return false;
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178 }
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179
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180 String name = symbolElement.getAttribute("name");
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181 style.setSymbolByName(map, name);
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182
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183 return true;
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184 }
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185 }
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186 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
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