root / trunk / extensions / extSymbology / src / org / gvsig / symbology / Utils.java @ 22501
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1 | 20768 | jdominguez | /* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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2 | *
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3 | * Copyright (C) 2005 IVER T.I. and Generalitat Valenciana.
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4 | *
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5 | * This program is free software; you can redistribute it and/or
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6 | * modify it under the terms of the GNU General Public License
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7 | * as published by the Free Software Foundation; either version 2
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8 | * of the License, or (at your option) any later version.
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9 | *
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10 | * This program is distributed in the hope that it will be useful,
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11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 | * GNU General Public License for more details.
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14 | *
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15 | * You should have received a copy of the GNU General Public License
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16 | * along with this program; if not, write to the Free Software
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17 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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18 | *
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19 | * For more information, contact:
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20 | *
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21 | * Generalitat Valenciana
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22 | * Conselleria d'Infraestructures i Transport
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23 | * Av. Blasco Ib??ez, 50
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24 | * 46010 VALENCIA
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25 | * SPAIN
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26 | *
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27 | * +34 963862235
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28 | * gvsig@gva.es
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29 | * www.gvsig.gva.es
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30 | *
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31 | * or
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32 | *
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33 | * IVER T.I. S.A
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34 | * Salamanca 50
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35 | * 46005 Valencia
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36 | * Spain
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37 | *
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38 | * +34 963163400
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39 | * dac@iver.es
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40 | */
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41 | package org.gvsig.symbology; |
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42 | |||
43 | import java.awt.Color; |
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44 | import java.io.File; |
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45 | import java.io.IOException; |
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46 | |||
47 | import org.gvsig.symbology.fmap.symbols.LineFillSymbol; |
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48 | import org.gvsig.symbology.fmap.symbols.PictureMarkerSymbol; |
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49 | |||
50 | import com.iver.cit.gvsig.fmap.core.CartographicSupport; |
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51 | import com.iver.cit.gvsig.fmap.core.FShape; |
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52 | import com.iver.cit.gvsig.fmap.core.SymbologyFactory; |
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53 | import com.iver.cit.gvsig.fmap.core.styles.SimpleLineStyle; |
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54 | import com.iver.cit.gvsig.fmap.core.symbols.AbstractSymbol; |
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55 | import com.iver.cit.gvsig.fmap.core.symbols.IFillSymbol; |
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56 | import com.iver.cit.gvsig.fmap.core.symbols.ILineSymbol; |
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57 | import com.iver.cit.gvsig.fmap.core.symbols.IMarkerSymbol; |
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58 | import com.iver.cit.gvsig.fmap.core.symbols.IMultiLayerSymbol; |
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59 | import com.iver.cit.gvsig.fmap.core.symbols.ISymbol; |
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60 | import com.iver.cit.gvsig.fmap.core.symbols.ITextSymbol; |
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61 | import com.iver.cit.gvsig.fmap.core.symbols.MultiShapeSymbol; |
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62 | import com.iver.cit.gvsig.fmap.core.symbols.SimpleMarkerSymbol; |
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63 | import com.iver.cit.gvsig.fmap.core.v02.FConstant; |
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64 | import com.iver.cit.gvsig.fmap.core.v02.FSymbol; |
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65 | |||
66 | public class Utils { |
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67 | public static ISymbol deriveFSymbol(FSymbol fSymbol) { |
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68 | ISymbol derivedSymbol; |
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69 | |||
70 | int symbolType = fSymbol.getSymbolType();
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71 | Color color = fSymbol.getColor();
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72 | double size = fSymbol.getSize();
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73 | int unit = fSymbol.isSizeInPixels() ? -1 : 1; // only meters or pixels |
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74 | // were supported in
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75 | // FSymbol
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76 | if (symbolType == FShape.LINE) {
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77 | ILineSymbol line = SymbologyFactory.createDefaultLineSymbol(); |
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78 | line.setLineColor(color); |
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79 | |||
80 | SimpleLineStyle lineStyle = new SimpleLineStyle();
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81 | lineStyle.setUnit(unit); |
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82 | lineStyle.setStroke(fSymbol.getStroke()); |
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83 | lineStyle.setOffset(0);
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84 | lineStyle.setReferenceSystem(CartographicSupport.WORLD); |
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85 | lineStyle.setLineWidth((float) size);
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86 | line.setLineStyle(lineStyle); |
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87 | derivedSymbol = line; |
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88 | |||
89 | } else if (symbolType == FShape.POINT) { |
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90 | int style = fSymbol.getStyle();
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91 | IMarkerSymbol marker; |
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92 | if (style == FConstant.SYMBOL_STYLE_MARKER_IMAGEN) {
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93 | marker = new PictureMarkerSymbol();
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94 | PictureMarkerSymbol pic = (PictureMarkerSymbol) marker; |
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95 | try {
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96 | pic.setImage(new File(fSymbol.getIconURI().getPath()).toURL()); |
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97 | } catch (IOException e) { |
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98 | // image could not be restored,
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99 | // will use a regular point as symbol
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100 | fSymbol.setStyle(FConstant.SYMBOL_STYLE_MARKER_CIRCLE); |
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101 | return deriveFSymbol(fSymbol);
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102 | } |
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103 | } else {
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104 | marker = new SimpleMarkerSymbol();
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105 | SimpleMarkerSymbol sms = (SimpleMarkerSymbol) marker; |
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106 | if (style == FConstant.SYMBOL_STYLE_MARKER_CIRCLE) {
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107 | sms.setStyle(SimpleMarkerSymbol.CIRCLE_STYLE); |
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108 | } else if (style == FConstant.SYMBOL_STYLE_MARKER_CROSS) { |
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109 | sms.setStyle(SimpleMarkerSymbol.CROSS_STYLE); |
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110 | } else if (style == FConstant.SYMBOL_STYLE_MARKER_SQUARE) { |
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111 | sms.setStyle(SimpleMarkerSymbol.SQUARE_STYLE); |
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112 | } else if (style == FConstant.SYMBOL_STYLE_MARKER_TRIANGLE) { |
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113 | sms.setStyle(SimpleMarkerSymbol.TRIANGLE_STYLE); |
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114 | } |
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115 | Color outlineColor = fSymbol.getOutlineColor();
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116 | if (outlineColor != null) { |
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117 | sms.setOutlined(true);
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118 | sms.setOutlineColor(outlineColor); |
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119 | } |
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120 | } |
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121 | marker.setColor(color); |
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122 | marker.setSize(size); |
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123 | marker.setRotation(fSymbol.getRotation()); |
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124 | derivedSymbol = marker; |
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125 | |||
126 | } else if (symbolType == FShape.POLYGON) { |
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127 | IFillSymbol fill; |
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128 | int fSymbolStyle = fSymbol.getStyle();
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129 | color = null;
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130 | if (fSymbolStyle == FConstant.SYMBOL_STYLE_FILL_SOLID) {
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131 | fill = SymbologyFactory.createDefaultFillSymbol(); |
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132 | color = fSymbol.getColor(); |
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133 | } else if (fSymbolStyle == FConstant.SYMBOL_STYLE_FILL_TRANSPARENT || |
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134 | fSymbolStyle == FConstant.SYMBOL_STYLE_DGNSPECIAL) { |
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135 | fill = SymbologyFactory.createDefaultFillSymbol(); |
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136 | } else {
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137 | // lets see how to derive FSymbol with fill patterns
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138 | if (fSymbolStyle == FConstant.SYMBOL_STYLE_FILL_CROSS) {
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139 | // the cross will be substituted by two line fill symbols
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140 | // with
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141 | // perpendicular line angles mixed into a multilayer symbol
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142 | IMultiLayerSymbol mfs = SymbologyFactory.createEmptyMultiLayerSymbol(FShape.POLYGON); |
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143 | fSymbol.setStyle(FConstant.SYMBOL_STYLE_FILL_VERTICAL); |
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144 | LineFillSymbol firstLayer = (LineFillSymbol) deriveFSymbol(fSymbol); |
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145 | fSymbol.setStyle(FConstant.SYMBOL_STYLE_FILL_HORIZONTAL); |
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146 | LineFillSymbol secondLayer = (LineFillSymbol) deriveFSymbol(fSymbol); |
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147 | mfs.addLayer(firstLayer); |
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148 | mfs.addLayer(secondLayer); |
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149 | fill = (IFillSymbol) mfs; |
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150 | fSymbol.setStyle(FConstant.SYMBOL_STYLE_FILL_CROSS); // restore
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151 | // old
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152 | // style
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153 | // (just
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154 | // in
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155 | // case)
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156 | } else if (fSymbolStyle == FConstant.SYMBOL_STYLE_FILL_CROSS_DIAGONAL ) { |
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157 | // the cross will be substituted by two line fill symbols
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158 | // with
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159 | // perpendicular line angles mixed into a multilayer symbol
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160 | IMultiLayerSymbol mfs = SymbologyFactory.createEmptyMultiLayerSymbol(FShape.POLYGON); |
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161 | fSymbol.setStyle(FConstant.SYMBOL_STYLE_FILL_UPWARD_DIAGONAL); |
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162 | LineFillSymbol firstLayer = (LineFillSymbol) deriveFSymbol(fSymbol); |
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163 | fSymbol.setStyle(FConstant.SYMBOL_STYLE_FILL_DOWNWARD_DIAGONAL); |
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164 | LineFillSymbol secondLayer = (LineFillSymbol) deriveFSymbol(fSymbol); |
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165 | mfs.addLayer(firstLayer); |
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166 | mfs.addLayer(secondLayer); |
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167 | fill = (IFillSymbol) mfs; |
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168 | fSymbol.setStyle(FConstant.SYMBOL_STYLE_FILL_CROSS_DIAGONAL); // restore
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169 | // old
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170 | // style
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171 | // (just
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172 | // in
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173 | // case)
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174 | } else {
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175 | LineFillSymbol lfs = new LineFillSymbol();
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176 | // Let's create the filling line symbol
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177 | fSymbol.setSymbolType(FShape.LINE); |
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178 | ILineSymbol lineSymbol = (ILineSymbol) deriveFSymbol(fSymbol); |
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179 | SimpleLineStyle lineStyle = new SimpleLineStyle();
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180 | lineStyle.setLineWidth(1f);
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181 | lineSymbol.setLineStyle(lineStyle); |
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182 | |||
183 | // restore the old value for symbol type (should be always
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184 | // FShape.POLYGON)
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185 | assert symbolType == FShape.POLYGON;
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186 | fSymbol.setSymbolType(symbolType); |
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187 | double angle = 0; |
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188 | switch (fSymbolStyle) {
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189 | case FConstant.SYMBOL_STYLE_FILL_UPWARD_DIAGONAL:
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190 | angle = 45;
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191 | break;
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192 | case FConstant.SYMBOL_STYLE_FILL_VERTICAL:
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193 | angle = 90;
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194 | break;
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195 | case FConstant.SYMBOL_STYLE_FILL_HORIZONTAL:
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196 | angle = 0;
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197 | break;
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198 | case FConstant.SYMBOL_STYLE_FILL_DOWNWARD_DIAGONAL:
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199 | angle = -45;
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200 | break;
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201 | } |
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202 | lfs.setSeparation(10);
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203 | lfs.setAngle(angle*FConstant.DEGREE_TO_RADIANS); |
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204 | lfs.setLineSymbol(lineSymbol); |
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205 | fill = lfs; |
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206 | } |
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207 | } |
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208 | |||
209 | fill.setFillColor(color); |
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210 | |||
211 | if (fSymbol.isOutlined()) {
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212 | // Let's create the outline line symbol
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213 | fSymbol.setSymbolType(FShape.LINE); |
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214 | ILineSymbol outline = (ILineSymbol) deriveFSymbol(fSymbol); |
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215 | |||
216 | // restore the old value for symbol type (should be always
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217 | // FShape.POLYGON)
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218 | assert symbolType == FShape.POLYGON;
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219 | fSymbol.setSymbolType(symbolType); |
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220 | outline.setLineColor(fSymbol.getOutlineColor()); |
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221 | fill.setOutline(outline); |
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222 | } |
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223 | derivedSymbol = fill; |
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224 | } else if (symbolType == FShape.MULTI) { |
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225 | fSymbol.setSymbolType(FShape.LINE); |
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226 | ILineSymbol line = (ILineSymbol) deriveFSymbol(fSymbol); |
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227 | fSymbol.setSymbolType(FShape.POINT); |
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228 | IMarkerSymbol marker = (IMarkerSymbol) deriveFSymbol(fSymbol); |
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229 | fSymbol.setSymbolType(FShape.POLYGON); |
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230 | IFillSymbol fill = (IFillSymbol) deriveFSymbol(fSymbol); |
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231 | assert symbolType == FShape.MULTI;
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232 | fSymbol.setSymbolType(symbolType); |
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233 | MultiShapeSymbol multiShapeSymbol = new MultiShapeSymbol();
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234 | multiShapeSymbol.setMarkerSymbol(marker); |
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235 | multiShapeSymbol.setLineSymbol(line); |
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236 | multiShapeSymbol.setFillSymbol(fill); |
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237 | |||
238 | derivedSymbol = multiShapeSymbol; |
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239 | } else if (symbolType == FShape.TEXT) { |
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240 | ITextSymbol textSym = SymbologyFactory.createDefaultTextSymbol(); |
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241 | textSym.setTextColor(color); |
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242 | derivedSymbol = textSym; |
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243 | } else {
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244 | throw new Error("FSymbol of type "+symbolType+" cannot be imported yet!"); |
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245 | } |
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246 | |||
247 | // establish the general description;
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248 | if (derivedSymbol instanceof AbstractSymbol) { |
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249 | AbstractSymbol symbol = (AbstractSymbol) derivedSymbol; |
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250 | symbol.setIsShapeVisible(true);
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251 | symbol.setDescription(fSymbol.getDescription()); |
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252 | } |
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253 | |||
254 | |||
255 | |||
256 | if (derivedSymbol instanceof CartographicSupport) { |
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257 | CartographicSupport cs = (CartographicSupport) derivedSymbol; |
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258 | // the only options allowed by the old FSymbol class
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259 | cs.setUnit(unit); |
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260 | cs.setReferenceSystem(CartographicSupport.WORLD); |
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261 | } |
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262 | |||
263 | return derivedSymbol;
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264 | } |
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265 | } |