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