svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.fmap.mapcontext / org.gvsig.fmap.mapcontext.api / src / main / java / org / gvsig / fmap / mapcontext / rendering / symbols / impl / DefaultSymbolManager.java @ 40559
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1 | 40559 | jjdelcerro | /**
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2 | * gvSIG. Desktop Geographic Information System.
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3 | 40435 | jjdelcerro | *
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4 | 40559 | jjdelcerro | * Copyright (C) 2007-2013 gvSIG Association.
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5 | *
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6 | 40435 | jjdelcerro | * This program is free software; you can redistribute it and/or
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7 | * modify it under the terms of the GNU General Public License
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8 | 40559 | jjdelcerro | * as published by the Free Software Foundation; either version 3
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9 | 40435 | jjdelcerro | * of the License, or (at your option) any later version.
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10 | 40559 | jjdelcerro | *
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11 | 40435 | jjdelcerro | * This program is distributed in the hope that it will be useful,
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12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 | * GNU General Public License for more details.
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15 | 40559 | jjdelcerro | *
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16 | 40435 | jjdelcerro | * You should have received a copy of the GNU General Public License
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17 | * along with this program; if not, write to the Free Software
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18 | 40559 | jjdelcerro | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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19 | 40435 | jjdelcerro | * MA 02110-1301, USA.
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20 | 40559 | jjdelcerro | *
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21 | * For any additional information, do not hesitate to contact us
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22 | * at info AT gvsig.com, or visit our website www.gvsig.com.
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23 | 40435 | jjdelcerro | */
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24 | /*
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25 | * AUTHORS (In addition to CIT):
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26 | * 2009 {DiSiD Technologies} {{Task}}
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27 | *
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28 | **************************************************************
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29 | * Colors from www.ColorBrewer.org by Cynthia A. Brewer,
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30 | * Geography, Pennsylvania State University.
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31 | * Using groups of 4 colors from the 9 Diverging Schemes
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32 | * 4 * 9 = 36 colors
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33 | **************************************************************
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34 | *
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35 | */
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36 | package org.gvsig.fmap.mapcontext.rendering.symbols.impl; |
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37 | |||
38 | import java.awt.Color; |
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39 | import java.io.File; |
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40 | import java.io.FileFilter; |
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41 | import java.io.FileInputStream; |
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42 | import java.io.FileOutputStream; |
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43 | import java.io.IOException; |
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44 | import java.util.Arrays; |
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45 | import java.util.Collections; |
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46 | import java.util.Comparator; |
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47 | import java.util.HashMap; |
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48 | import java.util.Map; |
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49 | import java.util.Random; |
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50 | |||
51 | import org.gvsig.fmap.mapcontext.MapContextRuntimeException; |
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52 | import org.gvsig.fmap.mapcontext.impl.InvalidRegisteredClassException; |
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53 | import org.gvsig.fmap.mapcontext.impl.RegisteredClassInstantiationException; |
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54 | import org.gvsig.fmap.mapcontext.rendering.symbols.IMultiLayerSymbol; |
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55 | import org.gvsig.fmap.mapcontext.rendering.symbols.ISymbol; |
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56 | import org.gvsig.fmap.mapcontext.rendering.symbols.IWarningSymbol; |
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57 | import org.gvsig.fmap.mapcontext.rendering.symbols.SymbolException; |
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58 | import org.gvsig.fmap.mapcontext.rendering.symbols.SymbolManager; |
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59 | import org.gvsig.fmap.mapcontext.rendering.symbols.SymbolPreferences; |
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60 | import org.gvsig.tools.ToolsLocator; |
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61 | import org.gvsig.tools.persistence.PersistenceManager; |
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62 | import org.gvsig.tools.persistence.PersistentState; |
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63 | import org.gvsig.tools.persistence.exception.PersistenceException; |
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64 | import org.gvsig.tools.task.SimpleTaskStatus; |
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65 | import org.gvsig.tools.task.TaskStatusManager; |
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66 | |||
67 | /**
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68 | * Default {@link SymbolManager} implementation.
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69 | *
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70 | * @author gvSIG team
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71 | */
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72 | public class DefaultSymbolManager implements SymbolManager { |
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73 | |||
74 | private SymbolPreferences symbolPreferences =
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75 | new DefaultSymbolPreferences();
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76 | |||
77 | private Map symbolsByName = Collections.synchronizedMap(new HashMap()); |
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78 | |||
79 | private Map symbolsByShapeType = Collections.synchronizedMap(new HashMap()); |
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80 | |||
81 | private Map multiLineSymbolsByName = |
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82 | Collections.synchronizedMap(new HashMap()); |
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83 | |||
84 | private Map multiLineSymbolsByShapeType = |
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85 | Collections.synchronizedMap(new HashMap()); |
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86 | |||
87 | private IWarningSymbol warningSymbol;
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88 | |||
89 | private Object warningSymbolLock = new Object(); |
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90 | |||
91 | public ISymbol[] loadSymbols(File folder) throws SymbolException { |
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92 | return loadSymbols(folder, null); |
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93 | } |
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94 | |||
95 | public ISymbol[] loadSymbols(File folder, FileFilter fileFilter) |
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96 | throws SymbolException {
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97 | // TODO: add symbol caching
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98 | |||
99 | if (folder.exists()) {
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100 | |||
101 | File[] symbolFiles = null; |
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102 | if (fileFilter == null) { |
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103 | symbolFiles = folder.listFiles(); |
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104 | } else {
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105 | symbolFiles = folder.listFiles(fileFilter); |
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106 | } |
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107 | |||
108 | if (symbolFiles != null) { |
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109 | TaskStatusManager tm = ToolsLocator.getTaskStatusManager(); |
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110 | SimpleTaskStatus status = tm.createDefaultSimpleTaskStatus("Load symbols");
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111 | status.setRangeOfValues(0, symbolFiles.length);
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112 | status.setAutoremove(true);
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113 | status.add(); |
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114 | |||
115 | ISymbol[] symbols = null; |
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116 | try {
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117 | symbols = new ISymbol[symbolFiles.length];
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118 | for (int i = 0; i < symbolFiles.length; i++) { |
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119 | status.setCurValue(i); |
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120 | symbols[i] = loadSymbol(symbolFiles[i]); |
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121 | |||
122 | } |
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123 | status.message("sorting symbols");
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124 | Arrays.sort(symbols, new Comparator() { |
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125 | public int compare( Object o1, Object o2) { |
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126 | ISymbol s1 = (ISymbol)o1; |
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127 | ISymbol s2 = (ISymbol)o2; |
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128 | return s1.getDescription().compareTo(s2.getDescription());
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129 | } |
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130 | }); |
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131 | |||
132 | } finally {
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133 | status.terminate(); |
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134 | } |
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135 | return symbols;
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136 | } |
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137 | } |
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138 | |||
139 | return null; |
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140 | } |
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141 | |||
142 | public void saveSymbol(ISymbol symbol, String fileName, File folder) |
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143 | throws SymbolException {
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144 | saveSymbol(symbol, fileName, folder, false);
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145 | } |
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146 | |||
147 | public void saveSymbol(ISymbol symbol, String fileName, File folder, |
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148 | boolean overwrite) throws SymbolException { |
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149 | // TODO: add symbol caching
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150 | |||
151 | PersistenceManager persistenceManager = ToolsLocator |
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152 | .getPersistenceManager(); |
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153 | |||
154 | File symbolFile = new File(folder, fileName); |
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155 | if (!overwrite && symbolFile.exists()) {
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156 | throw new SymbolFileAlreadyExistsException(symbolFile); |
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157 | } |
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158 | |||
159 | try {
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160 | FileOutputStream fos = new FileOutputStream(symbolFile); |
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161 | |||
162 | persistenceManager.saveState(persistenceManager.getState(symbol), |
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163 | fos); |
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164 | |||
165 | fos.flush(); |
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166 | fos.close(); |
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167 | } catch (PersistenceException e) {
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168 | throw new SaveSymbolException(e); |
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169 | } catch (IOException e) { |
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170 | throw new SaveSymbolException(e); |
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171 | } |
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172 | } |
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173 | |||
174 | /**
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175 | * Loads a persisted symbol from the given file.
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176 | */
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177 | private ISymbol loadSymbol(File file) throws SymbolException { |
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178 | if (file.exists()) {
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179 | try {
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180 | FileInputStream fis = new FileInputStream(file); |
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181 | |||
182 | PersistenceManager persistenceManager = ToolsLocator |
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183 | .getPersistenceManager(); |
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184 | |||
185 | PersistentState state = persistenceManager.loadState(fis); |
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186 | ISymbol symbol = (ISymbol) persistenceManager.create(state); |
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187 | |||
188 | fis.close(); |
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189 | return symbol;
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190 | } catch (PersistenceException e) {
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191 | throw new LoadSymbolException(e); |
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192 | } catch (IOException e) { |
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193 | throw new LoadSymbolException(e); |
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194 | } |
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195 | } |
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196 | |||
197 | return null; |
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198 | } |
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199 | |||
200 | public SymbolPreferences getSymbolPreferences() {
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201 | return symbolPreferences;
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202 | } |
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203 | |||
204 | public ISymbol createSymbol(String symbolName) |
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205 | throws MapContextRuntimeException {
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206 | return createSymbol(symbolName, (Class) symbolsByName.get(symbolName), |
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207 | ISymbol.class); |
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208 | } |
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209 | |||
210 | public ISymbol createSymbol(int shapeType) |
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211 | throws MapContextRuntimeException {
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212 | String symbolName =
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213 | (String) symbolsByShapeType.get(new Integer(shapeType)); |
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214 | |||
215 | return symbolName == null ? null : createSymbol(symbolName); |
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216 | } |
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217 | |||
218 | public ISymbol createSymbol(String symbolName, Color color) |
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219 | throws MapContextRuntimeException {
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220 | ISymbol symbol = createSymbol(symbolName); |
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221 | |||
222 | if (symbol != null) { |
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223 | symbol.setColor(color); |
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224 | } |
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225 | |||
226 | return symbol;
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227 | } |
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228 | |||
229 | public ISymbol createSymbol(int shapeType, Color color) |
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230 | throws MapContextRuntimeException {
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231 | String symbolName =
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232 | (String) symbolsByShapeType.get(new Integer(shapeType)); |
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233 | |||
234 | return symbolName == null ? null : createSymbol(symbolName, color); |
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235 | } |
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236 | |||
237 | public IMultiLayerSymbol createMultiLayerSymbol(String symbolName) |
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238 | throws MapContextRuntimeException {
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239 | return (IMultiLayerSymbol) createSymbol(symbolName,
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240 | (Class) multiLineSymbolsByName.get(symbolName),
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241 | IMultiLayerSymbol.class); |
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242 | } |
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243 | |||
244 | public IMultiLayerSymbol createMultiLayerSymbol(int shapeType) |
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245 | throws MapContextRuntimeException {
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246 | String symbolName =
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247 | (String) multiLineSymbolsByShapeType.get(new Integer(shapeType)); |
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248 | |||
249 | return symbolName == null ? null : createMultiLayerSymbol(symbolName); |
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250 | } |
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251 | |||
252 | public void registerSymbol(String symbolName, Class symbolClass) |
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253 | throws MapContextRuntimeException {
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254 | if (symbolClass == null || !ISymbol.class.isAssignableFrom(symbolClass)) { |
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255 | throw new InvalidRegisteredClassException(ISymbol.class, |
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256 | symbolClass, symbolName); |
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257 | } |
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258 | symbolsByName.put(symbolName, symbolClass); |
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259 | } |
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260 | |||
261 | public void registerSymbol(String symbolName, int[] shapeTypes, |
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262 | Class symbolClass) throws MapContextRuntimeException { |
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263 | registerSymbol(symbolName, symbolClass); |
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264 | if (shapeTypes != null) { |
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265 | for (int i = 0; i < shapeTypes.length; i++) { |
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266 | symbolsByShapeType.put(new Integer(shapeTypes[i]), symbolName); |
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267 | } |
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268 | } |
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269 | } |
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270 | |||
271 | public void registerMultiLayerSymbol(String symbolName, Class symbolClass) |
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272 | throws MapContextRuntimeException {
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273 | if (symbolClass == null |
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274 | || !IMultiLayerSymbol.class.isAssignableFrom(symbolClass)) { |
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275 | throw new InvalidRegisteredClassException(IMultiLayerSymbol.class, |
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276 | symbolClass, symbolName); |
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277 | } |
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278 | |||
279 | multiLineSymbolsByName.put(symbolName, symbolClass); |
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280 | } |
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281 | |||
282 | public void registerMultiLayerSymbol(String symbolName, int[] shapeTypes, |
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283 | Class symbolClass) throws MapContextRuntimeException { |
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284 | registerMultiLayerSymbol(symbolName, symbolClass); |
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285 | if (shapeTypes != null) { |
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286 | for (int i = 0; i < shapeTypes.length; i++) { |
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287 | multiLineSymbolsByShapeType.put(new Integer(shapeTypes[i]), |
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288 | symbolName); |
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289 | } |
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290 | } |
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291 | } |
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292 | |||
293 | public IWarningSymbol getWarningSymbol(String message, String symbolDesc, |
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294 | int symbolDrawExceptionType) throws MapContextRuntimeException { |
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295 | synchronized (warningSymbolLock) {
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296 | if (warningSymbol == null) { |
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297 | warningSymbol = (IWarningSymbol) createSymbol("warning");
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298 | } |
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299 | } |
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300 | |||
301 | // TODO: set those values as parameter values in the draw method.
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302 | warningSymbol.setDescription(symbolDesc); |
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303 | warningSymbol.setMessage(message); |
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304 | warningSymbol.setDrawExceptionType(symbolDrawExceptionType); |
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305 | |||
306 | return warningSymbol;
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307 | } |
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308 | |||
309 | private ISymbol createSymbol(String symbolName, Class symbolClass, |
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310 | Class expectedType) throws MapContextRuntimeException { |
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311 | ISymbol symbol; |
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312 | try {
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313 | symbol = |
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314 | (ISymbol) (symbolClass == null ? null |
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315 | : symbolClass.newInstance()); |
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316 | } catch (InstantiationException e) { |
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317 | throw new RegisteredClassInstantiationException(expectedType, |
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318 | symbolClass, symbolName, e); |
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319 | } catch (IllegalAccessException e) { |
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320 | throw new RegisteredClassInstantiationException(expectedType, |
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321 | symbolClass, symbolName, e); |
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322 | } |
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323 | |||
324 | Color the_color = null; |
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325 | |||
326 | if (getSymbolPreferences().isDefaultSymbolFillColorAleatory()) {
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327 | |||
328 | the_color = getRandomBrewerBasedColor(); |
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329 | |||
330 | } else {
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331 | // not random
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332 | the_color = getSymbolPreferences().getDefaultSymbolFillColor(); |
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333 | } |
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334 | symbol.setColor(the_color); |
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335 | // Perform this initialization into the Symbol implementation
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336 | // if (symbol instanceof CartographicSupport) {
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337 | // CartographicSupport cs = (CartographicSupport) symbol;
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338 | // cs.setUnit(getDefaultCartographicSupportMeasureUnit());
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339 | // cs
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340 | // .setReferenceSystem(getDefaultCartographicSupportReferenceSystem();
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341 | // }
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342 | |||
343 | return symbol;
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344 | } |
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345 | |||
346 | public void setSymbolPreferences(SymbolPreferences symbolPreferences) { |
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347 | this.symbolPreferences = symbolPreferences;
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348 | } |
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349 | |||
350 | /**
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351 | *
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352 | * @param col
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353 | * @return color 1/3 closer to black
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354 | */
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355 | public static Color darker(Color col) { |
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356 | return new Color( |
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357 | (2 * col.getRed()) / 3, |
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358 | (2 * col.getGreen()) / 3, |
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359 | (2 * col.getBlue()) / 3, |
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360 | col.getAlpha()); |
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361 | } |
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362 | |||
363 | /**
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364 | *
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365 | * @param col
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366 | * @return color 1/3 closer to white
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367 | */
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368 | public static Color lighter(Color col) { |
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369 | Color resp = invert(col);
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370 | resp = darker(resp); |
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371 | return invert(resp);
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372 | } |
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373 | |||
374 | /**
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375 | *
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376 | * @param col
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377 | * @return inverted color (inverts each band, same alpha)
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378 | */
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379 | public static Color invert(Color col) { |
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380 | return new Color( |
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381 | 255 - col.getRed(),
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382 | 255 - col.getGreen(),
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383 | 255 - col.getBlue(),
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384 | col.getAlpha()); |
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385 | } |
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386 | |||
387 | private static Color getRandomBrewerBasedColor() { |
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388 | |||
389 | int ind = rnd.nextInt(BREWER_COLOR.length);
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390 | Color resp = BREWER_COLOR[ind];
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391 | ind = rnd.nextInt(100);
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392 | if (ind > 66) { |
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393 | resp = darker(resp); |
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394 | } else {
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395 | if (ind > 33) { |
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396 | resp = lighter(resp); |
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397 | } |
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398 | // ...else resp remains the same
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399 | } |
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400 | |||
401 | // finally add some dark noise
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402 | resp = addDarkNoise(resp); |
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403 | return resp;
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404 | } |
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405 | |||
406 | private static Color addDarkNoise(Color c) { |
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407 | int r = Math.max(0, c.getRed() - rnd.nextInt(30)); |
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408 | int g = Math.max(0, c.getGreen() - rnd.nextInt(30)); |
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409 | int b = Math.max(0, c.getBlue() - rnd.nextInt(30)); |
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410 | return new Color(r, g, b, c.getAlpha()); |
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411 | } |
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412 | |||
413 | private static Color[] BREWER_COLOR = new Color[36]; |
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414 | private static final Random rnd = new Random(); |
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415 | |||
416 | static {
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417 | /**
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418 | * Colors from www.ColorBrewer.org by Cynthia A. Brewer,
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419 | * Geography, Pennsylvania State University.
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420 | *
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421 | * Using groups of 4 colors from the 9 Diverging Schemes
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422 | * 4 * 9 = 36 colors
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423 | */
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424 | BREWER_COLOR[0] = new Color(230, 97, 1); |
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425 | BREWER_COLOR[1] = new Color(253, 184, 99); |
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426 | BREWER_COLOR[2] = new Color(178, 171, 210); |
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427 | BREWER_COLOR[3] = new Color(94, 60, 153); |
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428 | BREWER_COLOR[4] = new Color(166, 97, 26); |
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429 | BREWER_COLOR[5] = new Color(223, 194, 125); |
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430 | BREWER_COLOR[6] = new Color(128, 205, 193); |
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431 | BREWER_COLOR[7] = new Color(1, 133, 113); |
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432 | BREWER_COLOR[8] = new Color(123, 50, 148); |
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433 | BREWER_COLOR[9] = new Color(194, 165, 207); |
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434 | BREWER_COLOR[10] = new Color(166, 219, 160); |
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435 | BREWER_COLOR[11] = new Color(0, 136, 55); |
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436 | BREWER_COLOR[12] = new Color(208, 28, 139); |
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437 | BREWER_COLOR[13] = new Color(241, 182, 218); |
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438 | BREWER_COLOR[14] = new Color(184, 225, 134); |
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439 | BREWER_COLOR[15] = new Color(77, 172, 38); |
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440 | BREWER_COLOR[16] = new Color(202, 0, 32); |
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441 | BREWER_COLOR[17] = new Color(244, 165, 130); |
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442 | BREWER_COLOR[18] = new Color(146, 197, 222); |
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443 | BREWER_COLOR[19] = new Color(5, 113, 176); |
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444 | BREWER_COLOR[20] = new Color(202, 0, 32); |
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445 | BREWER_COLOR[21] = new Color(244, 165, 130); |
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446 | BREWER_COLOR[22] = new Color(186, 186, 186); |
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447 | BREWER_COLOR[23] = new Color(64, 64, 64); |
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448 | BREWER_COLOR[24] = new Color(215, 25, 28); |
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449 | BREWER_COLOR[25] = new Color(253, 174, 97); |
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450 | BREWER_COLOR[26] = new Color(171, 217, 233); |
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451 | BREWER_COLOR[27] = new Color(44, 123, 182); |
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452 | BREWER_COLOR[28] = new Color(215, 25, 28); |
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453 | BREWER_COLOR[29] = new Color(253, 174, 97); |
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454 | BREWER_COLOR[30] = new Color(171, 221, 164); |
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455 | BREWER_COLOR[31] = new Color(43, 131, 186); |
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456 | BREWER_COLOR[32] = new Color(215, 25, 28); |
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457 | BREWER_COLOR[33] = new Color(253, 174, 97); |
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458 | BREWER_COLOR[34] = new Color(166, 217, 106); |
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459 | BREWER_COLOR[35] = new Color(26, 150, 65); |
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460 | } |
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461 | |||
462 | |||
463 | } |