svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.library / org.gvsig.symbology / org.gvsig.symbology.lib / org.gvsig.symbology.lib.impl / src / main / java / org / gvsig / symbology / fmap / mapcontext / rendering / symbol / fill / impl / MultiLayerFillSymbol.java @ 43511
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1 | 40560 | jjdelcerro | /**
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2 | * gvSIG. Desktop Geographic Information System.
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3 | 40435 | jjdelcerro | *
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4 | 40560 | 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 | 40560 | 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 | 40560 | 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 | 40560 | 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 | 40560 | 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 | 40560 | 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 | package org.gvsig.symbology.fmap.mapcontext.rendering.symbol.fill.impl; |
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25 | |||
26 | import java.awt.Color; |
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27 | import java.awt.Graphics2D; |
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28 | import java.awt.Rectangle; |
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29 | import java.awt.geom.AffineTransform; |
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30 | import java.util.ArrayList; |
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31 | import java.util.List; |
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32 | |||
33 | import org.gvsig.compat.print.PrintAttributes; |
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34 | import org.gvsig.fmap.dal.feature.Feature; |
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35 | import org.gvsig.fmap.geom.Geometry; |
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36 | 43511 | jjdelcerro | import org.gvsig.fmap.geom.type.GeometryType; |
37 | 40435 | jjdelcerro | import org.gvsig.fmap.mapcontext.MapContext; |
38 | import org.gvsig.fmap.mapcontext.MapContextLocator; |
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39 | import org.gvsig.fmap.mapcontext.ViewPort; |
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40 | import org.gvsig.fmap.mapcontext.rendering.symbols.IMultiLayerSymbol; |
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41 | import org.gvsig.fmap.mapcontext.rendering.symbols.ISymbol; |
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42 | import org.gvsig.fmap.mapcontext.rendering.symbols.SymbolDrawingException; |
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43 | import org.gvsig.fmap.mapcontext.rendering.symbols.SymbolManager; |
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44 | import org.gvsig.symbology.fmap.mapcontext.rendering.symbol.fill.IFillSymbol; |
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45 | import org.gvsig.symbology.fmap.mapcontext.rendering.symbol.fill.IMultiLayerFillSymbol; |
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46 | import org.gvsig.symbology.fmap.mapcontext.rendering.symbol.line.ILineSymbol; |
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47 | import org.gvsig.tools.ToolsLocator; |
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48 | import org.gvsig.tools.dynobject.DynStruct; |
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49 | import org.gvsig.tools.persistence.PersistenceManager; |
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50 | import org.gvsig.tools.persistence.PersistentState; |
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51 | import org.gvsig.tools.persistence.exception.PersistenceException; |
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52 | import org.gvsig.tools.task.Cancellable; |
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53 | import org.gvsig.tools.util.Callable; |
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54 | import org.slf4j.Logger; |
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55 | import org.slf4j.LoggerFactory; |
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56 | |||
57 | |||
58 | /**
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59 | * MultiLayerFillSymbol is a symbol which allows to group several kind of fill symbols
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60 | * (xxxFillSymbol implementing IFillSymbol)in one and treats it like single symbol.
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61 | * @author 2009- <a href="cordinyana@gvsig.org">C?sar Ordi?ana</a> - gvSIG team
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62 | */
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63 | public class MultiLayerFillSymbol extends AbstractFillSymbol implements IFillSymbol, IMultiLayerSymbol, IMultiLayerFillSymbol{ |
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64 | private static final Logger LOG = LoggerFactory.getLogger(MultiLayerFillSymbol.class); |
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65 | |||
66 | public static final String MULTILAYER_FILL_SYMBOL_PERSISTENCE_DEFINITION_NAME = "MultiLayerFillSymbol"; |
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67 | |||
68 | private static final String FIELD_LAYERS = "layers"; |
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69 | 42439 | dmartinezizquierdo | |
70 | 40435 | jjdelcerro | private static final double OPACITY_SELECTION_FACTOR = .8; |
71 | private IFillSymbol[] layers = new IFillSymbol[0]; |
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72 | private MultiLayerFillSymbol selectionSymbol;
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73 | |||
74 | public Color getFillColor() { |
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75 | /*
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76 | * a multilayer symbol does not define any color, the color
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77 | * of each layer is defined by the layer itself
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78 | */
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79 | return null; |
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80 | } |
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81 | |||
82 | public int getOnePointRgb() { |
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83 | // will paint only the last layer pixel
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84 | return layers[layers.length-1].getOnePointRgb(); |
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85 | } |
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86 | |||
87 | public ILineSymbol getOutline() {
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88 | /*
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89 | * a multilayer symbol does not define any outline, the outline
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90 | * of each layer is defined by the layer it self
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91 | */
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92 | return null; |
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93 | } |
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94 | |||
95 | 43511 | jjdelcerro | @Override
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96 | 40435 | jjdelcerro | public boolean isSuitableFor(Geometry geom) { |
97 | 43511 | jjdelcerro | GeometryType gt = geom.getGeometryType(); |
98 | if( gt.isTypeOf(Geometry.TYPES.SURFACE) ) {
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99 | 42646 | dmartinezizquierdo | return true; |
100 | } |
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101 | return false; |
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102 | 40435 | jjdelcerro | } |
103 | |||
104 | 43511 | jjdelcerro | @Override
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105 | 40435 | jjdelcerro | public void setFillColor(Color color) { |
106 | /*
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107 | * Will apply the color to each layer
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108 | */
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109 | for (int i = 0; layers != null && i < layers.length; i++) { |
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110 | layers[i].setFillColor(color); |
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111 | } |
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112 | } |
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113 | |||
114 | public void setOutline(ILineSymbol outline) { |
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115 | if (layers != null && layers.length > 0) { |
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116 | for (int i = 0; i < layers.length - 1; i++) { |
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117 | layers[i].setOutline(null);
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118 | } |
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119 | layers[layers.length - 1].setOutline(outline);
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120 | } |
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121 | } |
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122 | |||
123 | public void draw(Graphics2D g, AffineTransform affineTransform, |
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124 | Geometry geom, Feature feature, Cancellable cancel) { |
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125 | for (int i = 0; (cancel == null || !cancel.isCanceled()) |
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126 | && layers != null && i < layers.length; i++) {
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127 | layers[i].draw(g, affineTransform, geom, feature, cancel); |
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128 | } |
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129 | } |
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130 | |||
131 | public void drawInsideRectangle(Graphics2D g, |
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132 | AffineTransform scaleInstance, Rectangle r, PrintAttributes properties) throws SymbolDrawingException { |
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133 | for (int i = 0; layers != null && i < layers.length; i++) { |
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134 | layers[i].drawInsideRectangle(g, scaleInstance, r, properties); |
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135 | } |
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136 | } |
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137 | |||
138 | public void getPixExtentPlus(Geometry geom, float[] distances, |
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139 | ViewPort viewPort, int dpi) {
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140 | float[] myDistances = new float[] {0,0}; |
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141 | distances[0] = 0; |
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142 | distances[1] = 0; |
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143 | for (int i = 0; layers != null && i < layers.length; i++) { |
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144 | layers[i].getPixExtentPlus(geom, myDistances, viewPort, dpi); |
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145 | distances[0] = Math.max(myDistances[0], distances[0]); |
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146 | distances[1] = Math.max(myDistances[1], distances[1]); |
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147 | } |
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148 | } |
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149 | |||
150 | public ISymbol getSymbolForSelection() {
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151 | // TODO: revisar
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152 | 42439 | dmartinezizquierdo | Color c = MapContext.getSelectionColor();
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153 | c = new Color( |
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154 | c.getRed(), |
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155 | c.getGreen(), |
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156 | c.getBlue(), |
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157 | (int) (c.getAlpha()));//*OPACITY_SELECTION_FACTOR)); |
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158 | if (selectionSymbol == null) { |
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159 | MultiLayerFillSymbol selectionSymbol = |
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160 | 40435 | jjdelcerro | new MultiLayerFillSymbol();
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161 | selectionSymbol.setDescription(getDescription()); |
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162 | for (int i = 0; layers != null && i < layers.length; i++) { |
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163 | selectionSymbol.addLayer(layers[i].getSymbolForSelection()); |
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164 | } |
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165 | 42439 | dmartinezizquierdo | // SimpleFillSymbol selLayer = new SimpleFillSymbol();
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166 | //
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167 | // selLayer.setFillColor(c);
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168 | // selLayer.setOutline(getOutline());
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169 | // selectionSymbol.addLayer(selLayer);
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170 | 40435 | jjdelcerro | setSymbolForSelection(selectionSymbol); |
171 | 42439 | dmartinezizquierdo | } else {
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172 | for (int i = 0; i < selectionSymbol.getLayerCount(); i++) { |
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173 | selectionSymbol.setLayer(i, selectionSymbol.getLayer(i).getSymbolForSelection()); |
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174 | // if (i==selectionSymbol.getLayerCount()-1){
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175 | // ((SimpleFillSymbol)selectionSymbol.getLayer(i)).setFillColor(c);
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176 | // }
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177 | } |
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178 | } |
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179 | 40435 | jjdelcerro | return selectionSymbol;
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180 | |||
181 | } |
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182 | |||
183 | public int getSymbolType() { |
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184 | return Geometry.TYPES.SURFACE;
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185 | } |
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186 | |||
187 | // public void setPrintingProperties(PrintAttributes printProperties) {
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188 | // // TODO Implement it
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189 | // throw new Error("Not yet implemented!");
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190 | //
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191 | // }
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192 | |||
193 | // public String getClassName() {
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194 | // return getClass().getName();
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195 | // }
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196 | |||
197 | public void print(Graphics2D g, AffineTransform at, Geometry geom, PrintAttributes properties) { |
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198 | for (int i = 0; layers != null && i < layers.length; i++) { |
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199 | layers[i].print(g, at, geom, properties); |
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200 | } |
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201 | } |
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202 | |||
203 | public void setLayer(int index, ISymbol layer) throws IndexOutOfBoundsException { |
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204 | layers[index] = (IFillSymbol) layer; |
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205 | } |
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206 | |||
207 | public void swapLayers(int index1, int index2) { |
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208 | ISymbol aux1 = getLayer(index1), aux2 = getLayer(index2); |
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209 | layers[index2] = (IFillSymbol) aux1; |
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210 | layers[index1] = (IFillSymbol) aux2; |
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211 | } |
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212 | |||
213 | public ISymbol getLayer(int layerIndex) { |
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214 | // try{
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215 | return layers[layerIndex];
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216 | // } catch (Exception e) {
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217 | // return null;
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218 | // }
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219 | } |
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220 | |||
221 | public int getLayerCount() { |
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222 | return layers.length;
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223 | } |
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224 | |||
225 | public void addLayer(ISymbol newLayer) { |
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226 | addLayer(newLayer, layers.length); |
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227 | } |
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228 | |||
229 | public void addLayer(ISymbol newLayer, int layerIndex) throws IndexOutOfBoundsException { |
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230 | if (newLayer == null ) { |
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231 | /*|| newLayer instanceof ILabelStyle)*/ return; // null or symbols that are styles are not allowed |
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232 | } |
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233 | |||
234 | selectionSymbol = null; /* forces the selection symbol to be re-created |
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235 | * next time it is required
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236 | */
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237 | if (layerIndex < 0 || layers.length < layerIndex) { |
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238 | throw new IndexOutOfBoundsException(layerIndex+" < 0 or "+layerIndex+" > "+layers.length); |
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239 | } |
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240 | List<ISymbol> newLayers = new ArrayList<ISymbol>(); |
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241 | for (int i = 0; i < layers.length; i++) { |
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242 | newLayers.add(layers[i]); |
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243 | } |
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244 | try {
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245 | newLayers.add(layerIndex, newLayer); |
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246 | layers = (IFillSymbol[]) newLayers.toArray(new IFillSymbol[0]); |
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247 | } catch (ArrayStoreException asEx) { |
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248 | throw new ClassCastException(newLayer.getClass().getName() + " is not an IFillSymbol"); |
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249 | } |
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250 | } |
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251 | |||
252 | public boolean removeLayer(ISymbol layer) { |
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253 | |||
254 | int capacity = 0; |
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255 | capacity = layers.length; |
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256 | List<IFillSymbol> lst = new ArrayList<IFillSymbol>(capacity); |
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257 | for (int i = 0; layers != null && i < capacity; i++) { |
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258 | lst.add(layers[i]); |
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259 | } |
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260 | boolean contains = lst.remove(layer);
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261 | layers = (IFillSymbol[])lst.toArray(new IFillSymbol[0]); |
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262 | return contains;
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263 | } |
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264 | 42439 | dmartinezizquierdo | |
265 | 40435 | jjdelcerro | public void setUnit(int unitIndex) { |
266 | super.setUnit(unitIndex);
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267 | for (int i = 0; layers != null && i < layers.length; i++) { |
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268 | layers[i].setUnit(unitIndex); |
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269 | } |
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270 | } |
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271 | |||
272 | public void setReferenceSystem(int system) { |
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273 | super.setReferenceSystem(system);
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274 | for (int i = 0; layers != null && i < layers.length; i++) { |
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275 | layers[i].setReferenceSystem(system); |
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276 | } |
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277 | } |
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278 | |||
279 | /**
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280 | *Returns the transparency of the multi layer fill symbol created
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281 | */
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282 | public int getFillAlpha() { |
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283 | // will compute the acumulated opacity
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284 | double myAlpha = 0; |
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285 | for (int i = 0; layers != null && i < layers.length; i++) { |
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286 | double layerAlpha = layers[i].getFillAlpha()/255D; |
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287 | myAlpha += (1-myAlpha)*layerAlpha;
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288 | } |
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289 | int result = (int) Math.round(myAlpha * 255); |
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290 | return (result>255) ? 255 : result; |
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291 | } |
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292 | |||
293 | |||
294 | public double toCartographicSize(ViewPort viewPort, double dpi, Geometry geom) { |
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295 | double size = 0; |
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296 | for (int i = 0; layers != null && i < layers.length; i++) { |
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297 | size = Math.max(size, layers[i].toCartographicSize(viewPort, dpi, geom));
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298 | } |
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299 | return size;
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300 | } |
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301 | 42439 | dmartinezizquierdo | |
302 | 40435 | jjdelcerro | public Object clone() throws CloneNotSupportedException { |
303 | MultiLayerFillSymbol copy = (MultiLayerFillSymbol) super.clone();
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304 | |||
305 | // Clone layers
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306 | if (layers != null) { |
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307 | IFillSymbol[] layersCopy = new IFillSymbol[layers.length]; |
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308 | for (int i = 0; i < layers.length; i++) { |
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309 | layersCopy[i] = (IFillSymbol) layers[i].clone(); |
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310 | } |
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311 | copy.layers = layersCopy; |
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312 | } |
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313 | |||
314 | // Clone selection
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315 | if (selectionSymbol != null) { |
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316 | copy.selectionSymbol = (MultiLayerFillSymbol) selectionSymbol |
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317 | .clone(); |
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318 | } |
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319 | |||
320 | return copy;
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321 | } |
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322 | |||
323 | private void setSymbolForSelection(MultiLayerFillSymbol symbolForSelection) { |
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324 | this.selectionSymbol = symbolForSelection;
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325 | } |
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326 | |||
327 | @SuppressWarnings("unchecked") |
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328 | public void loadFromState(PersistentState state) |
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329 | throws PersistenceException {
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330 | // Set parent fill symbol properties
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331 | super.loadFromState(state);
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332 | LOG.warn("FIXME, fix implement of loadFromState");
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333 | // Set own properties
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334 | // setSymbolForSelection((MultiLayerFillSymbol)
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335 | // state.get(FIELD_SYMBOL_FOR_SELECTION));
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336 | List layers = state.getList(FIELD_LAYERS);
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337 | if (layers != null) { |
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338 | for (int i = 0; i < layers.size(); i++) { |
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339 | addLayer((ISymbol) layers.get(i)); |
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340 | } |
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341 | } |
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342 | |||
343 | } |
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344 | |||
345 | public void saveToState(PersistentState state) throws PersistenceException { |
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346 | // Save parent fill symbol properties
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347 | super.saveToState(state);
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348 | LOG.warn("FIXME, fix implement of saveToState");
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349 | // Save own properties
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350 | |||
351 | // Don't use the getSymbolForSelection method, as it will create it
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352 | // if it does not exist, and persistence will enter an infinite loop
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353 | // state.set(FIELD_SYMBOL_FOR_SELECTION, selectionSymbol);
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354 | state.set(FIELD_LAYERS, layers); |
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355 | } |
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356 | |||
357 | public static class RegisterPersistence implements Callable { |
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358 | |||
359 | public Object call() throws Exception { |
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360 | PersistenceManager manager = ToolsLocator.getPersistenceManager(); |
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361 | if( manager.getDefinition(MULTILAYER_FILL_SYMBOL_PERSISTENCE_DEFINITION_NAME)==null ) { |
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362 | DynStruct definition = manager.addDefinition( |
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363 | MultiLayerFillSymbol.class, |
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364 | MULTILAYER_FILL_SYMBOL_PERSISTENCE_DEFINITION_NAME, |
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365 | MULTILAYER_FILL_SYMBOL_PERSISTENCE_DEFINITION_NAME+" Persistence definition",
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366 | 42439 | dmartinezizquierdo | null,
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367 | 40435 | jjdelcerro | null
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368 | ); |
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369 | |||
370 | // Extend the FillSymbol base definition
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371 | definition.extend(manager.getDefinition(FILL_SYMBOL_PERSISTENCE_DEFINITION_NAME)); |
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372 | |||
373 | // Selection Symbol
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374 | // definition.addDynFieldSingle(FIELD_SYMBOL_FOR_SELECTION).setType(
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375 | // DataTypes.OBJECT);
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376 | |||
377 | // Layers
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378 | definition.addDynFieldList(FIELD_LAYERS).setClassOfItems(IFillSymbol.class); |
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379 | } |
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380 | return Boolean.TRUE; |
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381 | } |
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382 | 42439 | dmartinezizquierdo | |
383 | 40435 | jjdelcerro | } |
384 | |||
385 | public static class RegisterSymbol implements Callable { |
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386 | |||
387 | public Object call() throws Exception { |
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388 | int[] shapeTypes; |
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389 | SymbolManager manager = MapContextLocator.getSymbolManager(); |
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390 | |||
391 | shapeTypes = new int[] { Geometry.TYPES.SURFACE, |
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392 | Geometry.TYPES.CIRCLE, Geometry.TYPES.ELLIPSE, |
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393 | Geometry.TYPES.MULTISURFACE }; |
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394 | manager.registerMultiLayerSymbol(IFillSymbol.SYMBOL_NAME, |
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395 | shapeTypes, MultiLayerFillSymbol.class); |
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396 | |||
397 | return Boolean.TRUE; |
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398 | } |
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399 | 42439 | dmartinezizquierdo | |
400 | 40435 | jjdelcerro | } |
401 | |||
402 | } |