annotate src/java/de/intevation/mxd/writer/SymbolWriter.java @ 251:6b80e46b8f38

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 8e5d67c45b64
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
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20 package de.intevation.mxd.writer;
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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 org.w3c.dom.Element;
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25
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26 import edu.umn.gis.mapscript.mapObj;
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27 import edu.umn.gis.mapscript.classObj;
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28 import edu.umn.gis.mapscript.styleObj;
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29 import edu.umn.gis.mapscript.symbolObj;
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30 import edu.umn.gis.mapscript.symbolSetObj;
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31 import edu.umn.gis.mapscript.lineObj;
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32 import edu.umn.gis.mapscript.pointObj;
192
0dc34dcdaedc Lookup symbol font in fontset.
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33 import edu.umn.gis.mapscript.fontSetObj;
0dc34dcdaedc Lookup symbol font in fontset.
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34 import edu.umn.gis.mapscript.hashTableObj;
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35 import edu.umn.gis.mapscript.MS_SYMBOL_TYPE;
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36
174
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37 import java.io.File;
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38 import java.awt.Image;
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39 import java.awt.image.BufferedImage;
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40 import java.awt.image.DataBufferByte;
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41 import java.awt.image.FilteredImageSource;
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42 import java.awt.image.ImageFilter;
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43 import java.awt.image.ImageProducer;
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44 import java.awt.image.RGBImageFilter;
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45 import java.awt.Toolkit;
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46 import java.awt.Color;
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47 import java.awt.Graphics2D;
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48 import javax.imageio.ImageIO;
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49 import java.io.ByteArrayInputStream;
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50
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51 import org.apache.commons.codec.binary.Base64;
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52
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53 /**
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54 * The interface to the mapfile writer.
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55 *
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56 * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a>
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57 */
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58 public class SymbolWriter {
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59
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60 /**
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61 * The Logger.
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62 */
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63 private static final Logger logger = Logger.getLogger(SymbolWriter.class);
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64
181
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65 /**
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66 * Private member.
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67 */
87
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68 private mapObj map;
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69 private classObj cl;
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70
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71 /**
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72 * Contructor with map object and class object.
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73 *
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74 * @param map The map object.
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75 * @param cl The class object containing the style.
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76 */
87
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77 public SymbolWriter (mapObj map, classObj cl) {
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78 this.map = map;
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79 this.cl = cl;
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80 }
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81
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82 /**
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83 * Write the content.
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84 *
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85 * @param symbolElement DOM element containg the style and symbol
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86 * attributes.
87
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87 */
120
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88 public boolean write(Element symbolElement) {
87
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89 logger.debug("write(Element)");
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90 symbolSetObj symbolSet = map.getSymbolset();
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91
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92 String symType = symbolElement.getAttribute("style");
97
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93 String type = symbolElement.getAttribute("type");
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94 if(symType.equals("point")) {
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95 String name = symbolElement.getAttribute("name");
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96 symbolObj sym = symbolSet.getSymbolByName(name);
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97 writeSimple(sym);
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98 }
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99 else if (symType.equals("arrow")) {
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100 String name = symbolElement.getAttribute("name");
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101 symbolObj sym = symbolSet.getSymbolByName(name);
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102 writeArrow(sym, symbolElement);
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103 }
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104 else if (symType.equals("char")) {
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105 String name = symbolElement.getAttribute("name");
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106 symbolObj sym = symbolSet.getSymbolByName(name);
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107
141
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108 int exists = symbolExists(symbolElement);
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109 if(exists == -1) {
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110 String old = symbolElement.getAttribute("name");
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111 symbolElement.setAttribute(
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112 "name",
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113 old + symbolSet.getNumsymbols() + 1);
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114 writeCharacter(sym, symbolElement);
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115 }
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116 else {
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117 symbolElement.setAttribute(
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118 "name",
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119 symbolSet.getSymbol(exists).getName());
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120 }
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121 }
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122 else if (type.equals("line") && !symType.equals("picture")) {
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123 String name = symbolElement.getAttribute("name");
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124 symbolObj sym = symbolSet.getSymbolByName(name);
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125 writeHatch(sym);
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126 }
251
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127 else if(symType.equals("picture")) {
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128 // Create the path to the picture.
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129 int exists = symbolExists(symbolElement);
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130 String n = symbolElement.getAttribute("name");
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131 symbolElement.setAttribute(
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132 "name",
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133 n + symbolSet.getNumsymbols() + 1);
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134 String path = this.map.getMappath();
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diff changeset
135 if (path.endsWith(".map")) {
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
136 path = path.substring(0, path.lastIndexOf(File.separator) + 1);
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
137 path += symbolElement.getAttribute("name") + ".png";
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
138 }
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
139 else {
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
140 path += symbolElement.getAttribute("name") + ".png";
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
141 }
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
142 // Create a new symbol using the path as symbol name.
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
143 // This is a workarround to set the IMAGE attribute to the path
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
144 // since this attribute is immutable via mapscript.
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
145 symbolObj sym = symbolSet.getSymbolByName(path);
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
146 writePicture(sym, symbolElement, path);
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
147 }
87
7d4cf2db43f1 Added new writer classes to be flexible in creating mapfiles.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
148 else {
7d4cf2db43f1 Added new writer classes to be flexible in creating mapfiles.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
149 return false;
7d4cf2db43f1 Added new writer classes to be flexible in creating mapfiles.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
150 }
90
82a1f39214fd Added method to save the symbolset.
Raimund Renkert <rrenkert@intevation.de>
parents: 87
diff changeset
151
120
11d63bf00326 Changed exception handling and logging in writer classes.
Raimund Renkert <rrenkert@intevation.de>
parents: 97
diff changeset
152 try {
11d63bf00326 Changed exception handling and logging in writer classes.
Raimund Renkert <rrenkert@intevation.de>
parents: 97
diff changeset
153 saveSymbolSet(symbolSet);
11d63bf00326 Changed exception handling and logging in writer classes.
Raimund Renkert <rrenkert@intevation.de>
parents: 97
diff changeset
154 }
11d63bf00326 Changed exception handling and logging in writer classes.
Raimund Renkert <rrenkert@intevation.de>
parents: 97
diff changeset
155 catch(Exception e) {
11d63bf00326 Changed exception handling and logging in writer classes.
Raimund Renkert <rrenkert@intevation.de>
parents: 97
diff changeset
156 logger.error("Error saving symbol set.");
11d63bf00326 Changed exception handling and logging in writer classes.
Raimund Renkert <rrenkert@intevation.de>
parents: 97
diff changeset
157 return false;
11d63bf00326 Changed exception handling and logging in writer classes.
Raimund Renkert <rrenkert@intevation.de>
parents: 97
diff changeset
158 }
90
82a1f39214fd Added method to save the symbolset.
Raimund Renkert <rrenkert@intevation.de>
parents: 87
diff changeset
159
87
7d4cf2db43f1 Added new writer classes to be flexible in creating mapfiles.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
160 return true;
7d4cf2db43f1 Added new writer classes to be flexible in creating mapfiles.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
161 }
7d4cf2db43f1 Added new writer classes to be flexible in creating mapfiles.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
162
181
0bde090506f9 Added comments.
Raimund Renkert <rrenkert@intevation.de>
parents: 176
diff changeset
163 /**
0bde090506f9 Added comments.
Raimund Renkert <rrenkert@intevation.de>
parents: 176
diff changeset
164 * Create a simple point symbol.
0bde090506f9 Added comments.
Raimund Renkert <rrenkert@intevation.de>
parents: 176
diff changeset
165 *
0bde090506f9 Added comments.
Raimund Renkert <rrenkert@intevation.de>
parents: 176
diff changeset
166 * @param symbol The symbol object.
0bde090506f9 Added comments.
Raimund Renkert <rrenkert@intevation.de>
parents: 176
diff changeset
167 */
87
7d4cf2db43f1 Added new writer classes to be flexible in creating mapfiles.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
168 private void writeSimple(symbolObj symbol) {
7d4cf2db43f1 Added new writer classes to be flexible in creating mapfiles.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
169 logger.debug("writeSimple(symbolObj)");
7d4cf2db43f1 Added new writer classes to be flexible in creating mapfiles.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
170 lineObj points = new lineObj();
7d4cf2db43f1 Added new writer classes to be flexible in creating mapfiles.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
171 points.add(new pointObj(1,1,0));
7d4cf2db43f1 Added new writer classes to be flexible in creating mapfiles.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
172 symbol.setType(MS_SYMBOL_TYPE.MS_SYMBOL_ELLIPSE.swigValue());
7d4cf2db43f1 Added new writer classes to be flexible in creating mapfiles.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
173 symbol.setPoints(points);
7d4cf2db43f1 Added new writer classes to be flexible in creating mapfiles.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
174 symbol.setFilled(1);
7d4cf2db43f1 Added new writer classes to be flexible in creating mapfiles.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
175 }
7d4cf2db43f1 Added new writer classes to be flexible in creating mapfiles.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
176
181
0bde090506f9 Added comments.
Raimund Renkert <rrenkert@intevation.de>
parents: 176
diff changeset
177 /**
0bde090506f9 Added comments.
Raimund Renkert <rrenkert@intevation.de>
parents: 176
diff changeset
178 * Create an arrow symbol.
0bde090506f9 Added comments.
Raimund Renkert <rrenkert@intevation.de>
parents: 176
diff changeset
179 *
0bde090506f9 Added comments.
Raimund Renkert <rrenkert@intevation.de>
parents: 176
diff changeset
180 * @param symbol The symbol object.
0bde090506f9 Added comments.
Raimund Renkert <rrenkert@intevation.de>
parents: 176
diff changeset
181 * @param symbolElement DOM element containing symbol attributes.
0bde090506f9 Added comments.
Raimund Renkert <rrenkert@intevation.de>
parents: 176
diff changeset
182 */
87
7d4cf2db43f1 Added new writer classes to be flexible in creating mapfiles.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
183 private void writeArrow(symbolObj symbol, Element symbolElement) {
7d4cf2db43f1 Added new writer classes to be flexible in creating mapfiles.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
184 logger.debug("writeArrow(symbolObj, Element)");
145
b2c5a66022f1 Exception handling for number conversions in writer modules.
Raimund Renkert <rrenkert@intevation.de>
parents: 141
diff changeset
185 double len = 0;
b2c5a66022f1 Exception handling for number conversions in writer modules.
Raimund Renkert <rrenkert@intevation.de>
parents: 141
diff changeset
186 double width = 1;
b2c5a66022f1 Exception handling for number conversions in writer modules.
Raimund Renkert <rrenkert@intevation.de>
parents: 141
diff changeset
187 try {
b2c5a66022f1 Exception handling for number conversions in writer modules.
Raimund Renkert <rrenkert@intevation.de>
parents: 141
diff changeset
188 len =
b2c5a66022f1 Exception handling for number conversions in writer modules.
Raimund Renkert <rrenkert@intevation.de>
parents: 141
diff changeset
189 Double.parseDouble(symbolElement.getAttribute("length"));
b2c5a66022f1 Exception handling for number conversions in writer modules.
Raimund Renkert <rrenkert@intevation.de>
parents: 141
diff changeset
190 width =
b2c5a66022f1 Exception handling for number conversions in writer modules.
Raimund Renkert <rrenkert@intevation.de>
parents: 141
diff changeset
191 Double.parseDouble(symbolElement.getAttribute("width"));
b2c5a66022f1 Exception handling for number conversions in writer modules.
Raimund Renkert <rrenkert@intevation.de>
parents: 141
diff changeset
192 }
b2c5a66022f1 Exception handling for number conversions in writer modules.
Raimund Renkert <rrenkert@intevation.de>
parents: 141
diff changeset
193 catch(NumberFormatException nfe) {
b2c5a66022f1 Exception handling for number conversions in writer modules.
Raimund Renkert <rrenkert@intevation.de>
parents: 141
diff changeset
194 logger.warn ("Error setting arrow symbol.");
b2c5a66022f1 Exception handling for number conversions in writer modules.
Raimund Renkert <rrenkert@intevation.de>
parents: 141
diff changeset
195 return;
b2c5a66022f1 Exception handling for number conversions in writer modules.
Raimund Renkert <rrenkert@intevation.de>
parents: 141
diff changeset
196 }
87
7d4cf2db43f1 Added new writer classes to be flexible in creating mapfiles.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
197 double ratio = len/width;
7d4cf2db43f1 Added new writer classes to be flexible in creating mapfiles.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
198 lineObj points = new lineObj();
7d4cf2db43f1 Added new writer classes to be flexible in creating mapfiles.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
199
7d4cf2db43f1 Added new writer classes to be flexible in creating mapfiles.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
200 points.add(new pointObj(0, 0, 0));
7d4cf2db43f1 Added new writer classes to be flexible in creating mapfiles.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
201 points.add(new pointObj((1*ratio), 0.5, 0));
7d4cf2db43f1 Added new writer classes to be flexible in creating mapfiles.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
202 points.add(new pointObj(0, 1, 0));
7d4cf2db43f1 Added new writer classes to be flexible in creating mapfiles.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
203 points.add(new pointObj(0, 0, 0));
7d4cf2db43f1 Added new writer classes to be flexible in creating mapfiles.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
204 symbol.setType(MS_SYMBOL_TYPE.MS_SYMBOL_VECTOR.swigValue());
7d4cf2db43f1 Added new writer classes to be flexible in creating mapfiles.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
205 symbol.setPoints(points);
7d4cf2db43f1 Added new writer classes to be flexible in creating mapfiles.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
206 symbol.setFilled(1);
7d4cf2db43f1 Added new writer classes to be flexible in creating mapfiles.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
207 }
7d4cf2db43f1 Added new writer classes to be flexible in creating mapfiles.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
208
181
0bde090506f9 Added comments.
Raimund Renkert <rrenkert@intevation.de>
parents: 176
diff changeset
209 /**
0bde090506f9 Added comments.
Raimund Renkert <rrenkert@intevation.de>
parents: 176
diff changeset
210 * Create a character marker symbol.
0bde090506f9 Added comments.
Raimund Renkert <rrenkert@intevation.de>
parents: 176
diff changeset
211 *
0bde090506f9 Added comments.
Raimund Renkert <rrenkert@intevation.de>
parents: 176
diff changeset
212 * @param symbol The symbol object.
0bde090506f9 Added comments.
Raimund Renkert <rrenkert@intevation.de>
parents: 176
diff changeset
213 * @param symbolElement DOM element containing symbol attributes.
0bde090506f9 Added comments.
Raimund Renkert <rrenkert@intevation.de>
parents: 176
diff changeset
214 */
87
7d4cf2db43f1 Added new writer classes to be flexible in creating mapfiles.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
215 private void writeCharacter(symbolObj symbol, Element symbolElement) {
7d4cf2db43f1 Added new writer classes to be flexible in creating mapfiles.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
216 logger.debug("writeCharacter(symbolObj, Element)");
93
3993b5adf67c Write the character symbol correctly to the mapfile and the symbolset.
Raimund Renkert <rrenkert@intevation.de>
parents: 90
diff changeset
217 String font = symbolElement.getAttribute("font");
3993b5adf67c Write the character symbol correctly to the mapfile and the symbolset.
Raimund Renkert <rrenkert@intevation.de>
parents: 90
diff changeset
218 //Remove all blank character to match the mapserver fonts.txt.
3993b5adf67c Write the character symbol correctly to the mapfile and the symbolset.
Raimund Renkert <rrenkert@intevation.de>
parents: 90
diff changeset
219 font = font.replaceAll(" ", "");
192
0dc34dcdaedc Lookup symbol font in fontset.
raimund renkert <raimund.renkert@intevation.de>
parents: 184
diff changeset
220 fontSetObj fso = this.map.getFontset();
0dc34dcdaedc Lookup symbol font in fontset.
raimund renkert <raimund.renkert@intevation.de>
parents: 184
diff changeset
221 hashTableObj fonts = fso.getFonts();
0dc34dcdaedc Lookup symbol font in fontset.
raimund renkert <raimund.renkert@intevation.de>
parents: 184
diff changeset
222 String mapFont = fonts.get(font,"");
0dc34dcdaedc Lookup symbol font in fontset.
raimund renkert <raimund.renkert@intevation.de>
parents: 184
diff changeset
223 if (mapFont == null || mapFont.equals("")) {
0dc34dcdaedc Lookup symbol font in fontset.
raimund renkert <raimund.renkert@intevation.de>
parents: 184
diff changeset
224 logger.warn(
0dc34dcdaedc Lookup symbol font in fontset.
raimund renkert <raimund.renkert@intevation.de>
parents: 184
diff changeset
225 "Could not find font " + font + " in font set. " +
0dc34dcdaedc Lookup symbol font in fontset.
raimund renkert <raimund.renkert@intevation.de>
parents: 184
diff changeset
226 "Setting FreeSans as symbol font." +
0dc34dcdaedc Lookup symbol font in fontset.
raimund renkert <raimund.renkert@intevation.de>
parents: 184
diff changeset
227 "Please add " + font + " to fonts.txt and replace the alias " +
0dc34dcdaedc Lookup symbol font in fontset.
raimund renkert <raimund.renkert@intevation.de>
parents: 184
diff changeset
228 "in symbol \"" + symbolElement.getAttribute("name") + "\".");
0dc34dcdaedc Lookup symbol font in fontset.
raimund renkert <raimund.renkert@intevation.de>
parents: 184
diff changeset
229 font = "FreeSans";
0dc34dcdaedc Lookup symbol font in fontset.
raimund renkert <raimund.renkert@intevation.de>
parents: 184
diff changeset
230 }
141
8f30f7e802d6 Manage symbol names and symbol comparison.
vc11884admin@VC11884.win.bsh.de
parents: 120
diff changeset
231 symbol.setName(symbolElement.getAttribute("name"));
93
3993b5adf67c Write the character symbol correctly to the mapfile and the symbolset.
Raimund Renkert <rrenkert@intevation.de>
parents: 90
diff changeset
232 symbol.setFont(font);
87
7d4cf2db43f1 Added new writer classes to be flexible in creating mapfiles.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
233 symbol.setType(MS_SYMBOL_TYPE.MS_SYMBOL_TRUETYPE.swigValue());
7d4cf2db43f1 Added new writer classes to be flexible in creating mapfiles.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
234 symbol.setAntialias(1);
93
3993b5adf67c Write the character symbol correctly to the mapfile and the symbolset.
Raimund Renkert <rrenkert@intevation.de>
parents: 90
diff changeset
235 symbol.setCharacter("&#" + symbolElement.getAttribute("char") + ";");
87
7d4cf2db43f1 Added new writer classes to be flexible in creating mapfiles.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
236 }
7d4cf2db43f1 Added new writer classes to be flexible in creating mapfiles.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
237
251
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
238
181
0bde090506f9 Added comments.
Raimund Renkert <rrenkert@intevation.de>
parents: 176
diff changeset
239 /**
251
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
240 * Create the image and a pixmap symbol.
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
241 *
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
242 * @param sym The symbol object.
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
243 * @param symElem The DOM element containing symbol informations.
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
244 */
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
245 private void writePicture(symbolObj sym, Element symElem, String path) {
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
246 logger.info("writePicture(symbolObj, Element)");
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
247 try {
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
248 // Create the image as png.
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
249 if(symElem.hasAttribute("picture")) {
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
250 Base64 decoder = new Base64();
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
251 // Decode the base64 string.
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
252 byte[] ba = decoder.decode(symElem.getAttribute("picture"));
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
253 ByteArrayInputStream ins = new ByteArrayInputStream(ba);
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
254 // Create temporary image from byte array.
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
255 BufferedImage bi = ImageIO.read(ins);
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
256 Color c = Color.decode(
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
257 symElem.getAttribute("transparent_color"));
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
258 // Make a color transparent.
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
259 Image im = colorToTransparent(bi, c);
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
260
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
261 // Save image as png.
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
262 BufferedImage dest = new BufferedImage(
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
263 bi.getWidth(),
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
264 bi.getHeight(),
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
265 BufferedImage.TYPE_INT_ARGB);
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
266 Graphics2D g2 = dest.createGraphics();
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
267 g2.drawImage(im, 0, 0, null);
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
268 g2.dispose();
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
269 File f = new File(path);
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
270 ImageIO.write(dest, "PNG", f);
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
271 }
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
272 // Set symbol attributes.
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
273 // Overwrite the symbol name conating the path to the image
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
274 // with the real name. This is part of the workarround(line 137).
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
275 sym.setName(symElem.getAttribute("name"));
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
276 sym.setType(MS_SYMBOL_TYPE.MS_SYMBOL_PIXMAP.swigValue());
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
277 }
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
278 catch(Exception e) {
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
279 logger.warn("Could not save image for pixmap symbol.");
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
280 }
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
281 }
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
282
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
283
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
284 /**
181
0bde090506f9 Added comments.
Raimund Renkert <rrenkert@intevation.de>
parents: 176
diff changeset
285 * Create a hatch symbol for polygon fill.
0bde090506f9 Added comments.
Raimund Renkert <rrenkert@intevation.de>
parents: 176
diff changeset
286 *
0bde090506f9 Added comments.
Raimund Renkert <rrenkert@intevation.de>
parents: 176
diff changeset
287 * @param symbol The symbol object.
0bde090506f9 Added comments.
Raimund Renkert <rrenkert@intevation.de>
parents: 176
diff changeset
288 */
97
18e4f143896b Added polygon writer.
Raimund Renkert <rrenkert@intevation.de>
parents: 96
diff changeset
289 private void writeHatch(symbolObj symbol) {
18e4f143896b Added polygon writer.
Raimund Renkert <rrenkert@intevation.de>
parents: 96
diff changeset
290 logger.debug("writeHatch(symbolObj)");
18e4f143896b Added polygon writer.
Raimund Renkert <rrenkert@intevation.de>
parents: 96
diff changeset
291 symbol.setType(MS_SYMBOL_TYPE.MS_SYMBOL_HATCH.swigValue());
18e4f143896b Added polygon writer.
Raimund Renkert <rrenkert@intevation.de>
parents: 96
diff changeset
292 }
18e4f143896b Added polygon writer.
Raimund Renkert <rrenkert@intevation.de>
parents: 96
diff changeset
293
181
0bde090506f9 Added comments.
Raimund Renkert <rrenkert@intevation.de>
parents: 176
diff changeset
294 /**
0bde090506f9 Added comments.
Raimund Renkert <rrenkert@intevation.de>
parents: 176
diff changeset
295 * Determine whether this writer can create the symbol.
0bde090506f9 Added comments.
Raimund Renkert <rrenkert@intevation.de>
parents: 176
diff changeset
296 *
0bde090506f9 Added comments.
Raimund Renkert <rrenkert@intevation.de>
parents: 176
diff changeset
297 * @param type The symbol type.
0bde090506f9 Added comments.
Raimund Renkert <rrenkert@intevation.de>
parents: 176
diff changeset
298 */
87
7d4cf2db43f1 Added new writer classes to be flexible in creating mapfiles.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
299 public boolean canWrite(String type) {
7d4cf2db43f1 Added new writer classes to be flexible in creating mapfiles.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
300 if (type.equals("point") ||
7d4cf2db43f1 Added new writer classes to be flexible in creating mapfiles.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
301 type.equals("arrow") ||
97
18e4f143896b Added polygon writer.
Raimund Renkert <rrenkert@intevation.de>
parents: 96
diff changeset
302 type.equals("char") ||
251
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
303 type.equals("line") ||
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
304 type.equals("picture")) {
87
7d4cf2db43f1 Added new writer classes to be flexible in creating mapfiles.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
305 return true;
7d4cf2db43f1 Added new writer classes to be flexible in creating mapfiles.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
306 }
7d4cf2db43f1 Added new writer classes to be flexible in creating mapfiles.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
307 else {
7d4cf2db43f1 Added new writer classes to be flexible in creating mapfiles.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
308 return false;
7d4cf2db43f1 Added new writer classes to be flexible in creating mapfiles.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
309 }
7d4cf2db43f1 Added new writer classes to be flexible in creating mapfiles.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
310 }
90
82a1f39214fd Added method to save the symbolset.
Raimund Renkert <rrenkert@intevation.de>
parents: 87
diff changeset
311
181
0bde090506f9 Added comments.
Raimund Renkert <rrenkert@intevation.de>
parents: 176
diff changeset
312 /**
0bde090506f9 Added comments.
Raimund Renkert <rrenkert@intevation.de>
parents: 176
diff changeset
313 * Save the symbol set.
0bde090506f9 Added comments.
Raimund Renkert <rrenkert@intevation.de>
parents: 176
diff changeset
314 *
0bde090506f9 Added comments.
Raimund Renkert <rrenkert@intevation.de>
parents: 176
diff changeset
315 * @param symbols The symbol set object.
0bde090506f9 Added comments.
Raimund Renkert <rrenkert@intevation.de>
parents: 176
diff changeset
316 */
184
c79c3c6fc99a Always save a symbol set, use the mapfile name as prefix for the symbol set and
raimund renkert <raimund.renkert@intevation.de>
parents: 181
diff changeset
317 public void saveSymbolSet(symbolSetObj symbols)
90
82a1f39214fd Added method to save the symbolset.
Raimund Renkert <rrenkert@intevation.de>
parents: 87
diff changeset
318 throws Exception {
93
3993b5adf67c Write the character symbol correctly to the mapfile and the symbolset.
Raimund Renkert <rrenkert@intevation.de>
parents: 90
diff changeset
319 String path = this.map.getMappath();
184
c79c3c6fc99a Always save a symbol set, use the mapfile name as prefix for the symbol set and
raimund renkert <raimund.renkert@intevation.de>
parents: 181
diff changeset
320 String filename = path.substring(path.lastIndexOf(File.separator) + 1,
c79c3c6fc99a Always save a symbol set, use the mapfile name as prefix for the symbol set and
raimund renkert <raimund.renkert@intevation.de>
parents: 181
diff changeset
321 path.lastIndexOf("."));
c79c3c6fc99a Always save a symbol set, use the mapfile name as prefix for the symbol set and
raimund renkert <raimund.renkert@intevation.de>
parents: 181
diff changeset
322 String symbolPath = filename + "-symbols.sym";
90
82a1f39214fd Added method to save the symbolset.
Raimund Renkert <rrenkert@intevation.de>
parents: 87
diff changeset
323 if(path.equals("")) {
82a1f39214fd Added method to save the symbolset.
Raimund Renkert <rrenkert@intevation.de>
parents: 87
diff changeset
324 return;
82a1f39214fd Added method to save the symbolset.
Raimund Renkert <rrenkert@intevation.de>
parents: 87
diff changeset
325 }
174
707f13cfba74 Improved the commandline arguments and save the mapfile in the correct directory.
raimund.renkert@intevation.de
parents: 145
diff changeset
326
707f13cfba74 Improved the commandline arguments and save the mapfile in the correct directory.
raimund.renkert@intevation.de
parents: 145
diff changeset
327 if (path.endsWith(".map")) {
707f13cfba74 Improved the commandline arguments and save the mapfile in the correct directory.
raimund.renkert@intevation.de
parents: 145
diff changeset
328 path = path.substring(0, path.lastIndexOf(File.separator) + 1);
175
f11d13940626 Handle symbol set and font set paths.
raimund renkert <raimund.renkert@intevation.de>
parents: 174
diff changeset
329 path += symbolPath;
174
707f13cfba74 Improved the commandline arguments and save the mapfile in the correct directory.
raimund.renkert@intevation.de
parents: 145
diff changeset
330 }
93
3993b5adf67c Write the character symbol correctly to the mapfile and the symbolset.
Raimund Renkert <rrenkert@intevation.de>
parents: 90
diff changeset
331 else {
175
f11d13940626 Handle symbol set and font set paths.
raimund renkert <raimund.renkert@intevation.de>
parents: 174
diff changeset
332 path += symbolPath;
90
82a1f39214fd Added method to save the symbolset.
Raimund Renkert <rrenkert@intevation.de>
parents: 87
diff changeset
333 }
175
f11d13940626 Handle symbol set and font set paths.
raimund renkert <raimund.renkert@intevation.de>
parents: 174
diff changeset
334 path = path.replaceAll("\\\\", "/");
90
82a1f39214fd Added method to save the symbolset.
Raimund Renkert <rrenkert@intevation.de>
parents: 87
diff changeset
335 symbols.save(path);
184
c79c3c6fc99a Always save a symbol set, use the mapfile name as prefix for the symbol set and
raimund renkert <raimund.renkert@intevation.de>
parents: 181
diff changeset
336 this.map.setSymbolSet(path);
90
82a1f39214fd Added method to save the symbolset.
Raimund Renkert <rrenkert@intevation.de>
parents: 87
diff changeset
337 }
141
8f30f7e802d6 Manage symbol names and symbol comparison.
vc11884admin@VC11884.win.bsh.de
parents: 120
diff changeset
338
181
0bde090506f9 Added comments.
Raimund Renkert <rrenkert@intevation.de>
parents: 176
diff changeset
339 /**
0bde090506f9 Added comments.
Raimund Renkert <rrenkert@intevation.de>
parents: 176
diff changeset
340 * Determine whether the symbol exists.
0bde090506f9 Added comments.
Raimund Renkert <rrenkert@intevation.de>
parents: 176
diff changeset
341 *
0bde090506f9 Added comments.
Raimund Renkert <rrenkert@intevation.de>
parents: 176
diff changeset
342 * @param elem DOM element containing the symbol attributes.
0bde090506f9 Added comments.
Raimund Renkert <rrenkert@intevation.de>
parents: 176
diff changeset
343 *
0bde090506f9 Added comments.
Raimund Renkert <rrenkert@intevation.de>
parents: 176
diff changeset
344 * @return Returns the symbol index if the symbol exists, else returns -1.
0bde090506f9 Added comments.
Raimund Renkert <rrenkert@intevation.de>
parents: 176
diff changeset
345 */
141
8f30f7e802d6 Manage symbol names and symbol comparison.
vc11884admin@VC11884.win.bsh.de
parents: 120
diff changeset
346 private int symbolExists (Element elem) {
8f30f7e802d6 Manage symbol names and symbol comparison.
vc11884admin@VC11884.win.bsh.de
parents: 120
diff changeset
347 symbolSetObj symbolSet = map.getSymbolset();
8f30f7e802d6 Manage symbol names and symbol comparison.
vc11884admin@VC11884.win.bsh.de
parents: 120
diff changeset
348 for (int i = 0; i < symbolSet.getNumsymbols(); i++) {
8f30f7e802d6 Manage symbol names and symbol comparison.
vc11884admin@VC11884.win.bsh.de
parents: 120
diff changeset
349 symbolObj sym = symbolSet.getSymbol(i);
8f30f7e802d6 Manage symbol names and symbol comparison.
vc11884admin@VC11884.win.bsh.de
parents: 120
diff changeset
350 int stype = sym.getType();
8f30f7e802d6 Manage symbol names and symbol comparison.
vc11884admin@VC11884.win.bsh.de
parents: 120
diff changeset
351 String etype = elem.getAttribute("style");
8f30f7e802d6 Manage symbol names and symbol comparison.
vc11884admin@VC11884.win.bsh.de
parents: 120
diff changeset
352 if(stype == MS_SYMBOL_TYPE.MS_SYMBOL_ELLIPSE.swigValue () &&
8f30f7e802d6 Manage symbol names and symbol comparison.
vc11884admin@VC11884.win.bsh.de
parents: 120
diff changeset
353 etype.equals("point")) {
145
b2c5a66022f1 Exception handling for number conversions in writer modules.
Raimund Renkert <rrenkert@intevation.de>
parents: 141
diff changeset
354 return i;
141
8f30f7e802d6 Manage symbol names and symbol comparison.
vc11884admin@VC11884.win.bsh.de
parents: 120
diff changeset
355 }
8f30f7e802d6 Manage symbol names and symbol comparison.
vc11884admin@VC11884.win.bsh.de
parents: 120
diff changeset
356 else if(stype == MS_SYMBOL_TYPE.MS_SYMBOL_VECTOR.swigValue () &&
8f30f7e802d6 Manage symbol names and symbol comparison.
vc11884admin@VC11884.win.bsh.de
parents: 120
diff changeset
357 etype.equals("arrow")) {
145
b2c5a66022f1 Exception handling for number conversions in writer modules.
Raimund Renkert <rrenkert@intevation.de>
parents: 141
diff changeset
358 return i;
141
8f30f7e802d6 Manage symbol names and symbol comparison.
vc11884admin@VC11884.win.bsh.de
parents: 120
diff changeset
359 }
8f30f7e802d6 Manage symbol names and symbol comparison.
vc11884admin@VC11884.win.bsh.de
parents: 120
diff changeset
360 else if(stype == MS_SYMBOL_TYPE.MS_SYMBOL_TRUETYPE.swigValue () &&
8f30f7e802d6 Manage symbol names and symbol comparison.
vc11884admin@VC11884.win.bsh.de
parents: 120
diff changeset
361 etype.equals("char")) {
8f30f7e802d6 Manage symbol names and symbol comparison.
vc11884admin@VC11884.win.bsh.de
parents: 120
diff changeset
362 String font = elem.getAttribute("font");
8f30f7e802d6 Manage symbol names and symbol comparison.
vc11884admin@VC11884.win.bsh.de
parents: 120
diff changeset
363 font = font.replaceAll(" ", "");
8f30f7e802d6 Manage symbol names and symbol comparison.
vc11884admin@VC11884.win.bsh.de
parents: 120
diff changeset
364 String c = elem.getAttribute("char");
8f30f7e802d6 Manage symbol names and symbol comparison.
vc11884admin@VC11884.win.bsh.de
parents: 120
diff changeset
365 c = "&#" + c + ";";
8f30f7e802d6 Manage symbol names and symbol comparison.
vc11884admin@VC11884.win.bsh.de
parents: 120
diff changeset
366 if (font.equals(sym.getFont()) &&
8f30f7e802d6 Manage symbol names and symbol comparison.
vc11884admin@VC11884.win.bsh.de
parents: 120
diff changeset
367 c.equals(sym.getCharacter())) {
8f30f7e802d6 Manage symbol names and symbol comparison.
vc11884admin@VC11884.win.bsh.de
parents: 120
diff changeset
368 return i;
8f30f7e802d6 Manage symbol names and symbol comparison.
vc11884admin@VC11884.win.bsh.de
parents: 120
diff changeset
369 }
8f30f7e802d6 Manage symbol names and symbol comparison.
vc11884admin@VC11884.win.bsh.de
parents: 120
diff changeset
370
8f30f7e802d6 Manage symbol names and symbol comparison.
vc11884admin@VC11884.win.bsh.de
parents: 120
diff changeset
371 }
8f30f7e802d6 Manage symbol names and symbol comparison.
vc11884admin@VC11884.win.bsh.de
parents: 120
diff changeset
372 else if(stype == MS_SYMBOL_TYPE.MS_SYMBOL_HATCH.swigValue () &&
8f30f7e802d6 Manage symbol names and symbol comparison.
vc11884admin@VC11884.win.bsh.de
parents: 120
diff changeset
373 etype.equals("hatch")) {
145
b2c5a66022f1 Exception handling for number conversions in writer modules.
Raimund Renkert <rrenkert@intevation.de>
parents: 141
diff changeset
374 return i;
141
8f30f7e802d6 Manage symbol names and symbol comparison.
vc11884admin@VC11884.win.bsh.de
parents: 120
diff changeset
375 }
251
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
376 else if(stype == MS_SYMBOL_TYPE.MS_SYMBOL_PIXMAP.swigValue() &&
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
377 etype.equals("picture")) {
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
378 return i;
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
379 }
141
8f30f7e802d6 Manage symbol names and symbol comparison.
vc11884admin@VC11884.win.bsh.de
parents: 120
diff changeset
380 }
8f30f7e802d6 Manage symbol names and symbol comparison.
vc11884admin@VC11884.win.bsh.de
parents: 120
diff changeset
381 return -1;
8f30f7e802d6 Manage symbol names and symbol comparison.
vc11884admin@VC11884.win.bsh.de
parents: 120
diff changeset
382 }
251
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
383
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
384
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
385 /**
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
386 * Transform a color to transparency.
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
387 *
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
388 * @param bi The image.
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
389 * @param col the color.
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
390 *
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
391 * @return The image with transparent color.
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
392 */
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
393 private Image colorToTransparent(BufferedImage bi, Color col) {
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
394 final int markerRGB = col.getRGB() | 0xFF000000;
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
395 ImageFilter filter = new RGBImageFilter() {
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
396 public final int filterRGB(int x, int y, int rgb) {
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
397 if ((rgb | 0xFF000000) == markerRGB) {
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
398 // Mark the alpha bits as zero - transparent
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
399 return 0x00FFFFFF & rgb;
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
400 }
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
401 else {
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
402 // nothing to do
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
403 return rgb;
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
404 }
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
405 }
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
406 };
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
407 ImageProducer ip = new FilteredImageSource(bi.getSource(), filter);
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
408 return Toolkit.getDefaultToolkit().createImage(ip);
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
409 }
6b80e46b8f38 Added picture symbol support to the converter.
raimund renkert <raimund.renkert@intevation.de>
parents: 243
diff changeset
410
87
7d4cf2db43f1 Added new writer classes to be flexible in creating mapfiles.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
411 }
7d4cf2db43f1 Added new writer classes to be flexible in creating mapfiles.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
412 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
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