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 / marker / impl / MultiLayerMarkerSymbol.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.marker.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.Arrays; |
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32 | import java.util.List; |
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33 | |||
34 | import org.gvsig.compat.print.PrintAttributes; |
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35 | import org.gvsig.fmap.dal.feature.Feature; |
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36 | import org.gvsig.fmap.geom.Geometry; |
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37 | import org.gvsig.fmap.geom.primitive.Point; |
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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.marker.IMarkerSymbol; |
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45 | import org.gvsig.symbology.fmap.mapcontext.rendering.symbol.marker.IMultiLayerMarkerSymbol; |
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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 | |||
54 | /**
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55 | * MultiLayerMarkerSymbol allows to group several marker symbols (xxxMarkerSymbol
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56 | * implementing IMarkerSymbol)in one and treat it as an only one symbol.
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57 | *
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58 | * @author 2005-2008 jaume dominguez faus - jaume.dominguez@iver.es
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59 | * @author 2009- <a href="cordinyana@gvsig.org">C?sar Ordi?ana</a> - gvSIG team
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60 | */
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61 | public class MultiLayerMarkerSymbol extends AbstractMarkerSymbol implements IMarkerSymbol, IMultiLayerSymbol, IMultiLayerMarkerSymbol { |
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62 | |||
63 | public static final String MULTILAYER_MARKER_SYMBOL_PERSISTENCE_DEFINITION_NAME = "MultiLayerMarkerSymbol"; |
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64 | |||
65 | private static final String FIELD_LAYERS = "layers"; |
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66 | private static final String FIELD_ROTATION = "rotation"; |
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67 | |||
68 | private IMarkerSymbol[] layers = new IMarkerSymbol[0]; |
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69 | private MultiLayerMarkerSymbol selectionSymbol;
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70 | private double markerSize; |
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71 | private double rotation; |
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72 | |||
73 | public MultiLayerMarkerSymbol() {
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74 | super();
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75 | } |
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76 | |||
77 | public Color getColor() { |
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78 | /*
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79 | * a multilayer symbol does not define any color, the color
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80 | * of each layer is defined by the layer itself
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81 | */
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82 | return null; |
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83 | } |
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84 | |||
85 | public double getRotation() { |
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86 | return rotation;
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87 | } |
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88 | |||
89 | public void setColor(Color color) { |
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90 | /*
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91 | * will apply the color to each layer
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92 | */
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93 | for (int i = 0; layers != null && i < layers.length; i++) { |
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94 | layers[i].setColor(color); |
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95 | } |
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96 | } |
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97 | |||
98 | public void setRotation(double rotation) { |
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99 | this.rotation = rotation;
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100 | } |
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101 | |||
102 | public double getSize() { |
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103 | double myMarkerSize = 0; |
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104 | |||
105 | for (int i = 0; i < getLayerCount(); i++) { |
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106 | myMarkerSize = Math.max(myMarkerSize, ((IMarkerSymbol) getLayer(i)).getSize());
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107 | } |
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108 | |||
109 | if (markerSize != myMarkerSize) {
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110 | markerSize = myMarkerSize; |
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111 | } |
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112 | return markerSize;
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113 | } |
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114 | |||
115 | public void setSize(double size) { |
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116 | if (size > 0 && size != getSize()) { |
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117 | |||
118 | double scale = size / getSize();
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119 | this.markerSize = size;
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120 | for (int i = 0; layers != null && i < layers.length; i++) { |
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121 | double lSize = layers[i].getSize();
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122 | layers[i].setSize(lSize*scale); |
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123 | } |
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124 | } |
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125 | } |
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126 | |||
127 | |||
128 | |||
129 | public void draw(Graphics2D g, AffineTransform affineTransform, |
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130 | Geometry geom, Feature feature, Cancellable cancel) { |
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131 | Point p = (Point) geom; |
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132 | g.rotate(rotation, p.getX(), p.getY()); |
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133 | for (int i = 0; (cancel == null || !cancel.isCanceled()) |
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134 | && layers != null && i < layers.length; i++) {
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135 | layers[i].draw(g, affineTransform, geom, feature, cancel); |
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136 | } |
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137 | g.rotate(-rotation, p.getX(), p.getY()); |
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138 | } |
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139 | |||
140 | public void drawInsideRectangle(Graphics2D g, AffineTransform scaleInstance, Rectangle r, PrintAttributes properties) throws SymbolDrawingException { |
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141 | g.rotate(rotation, r.getCenterX(), r.getCenterY()); |
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142 | for (int i = 0; layers != null && i < layers.length; i++) { |
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143 | layers[i].drawInsideRectangle(g, scaleInstance, r, properties); |
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144 | } |
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145 | g.rotate(-rotation, r.getCenterX(), r.getCenterY()); |
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146 | } |
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147 | |||
148 | public int getOnePointRgb() { |
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149 | // will paint only the last layer pixel
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150 | return layers[layers.length-1].getOnePointRgb(); |
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151 | } |
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152 | |||
153 | public void getPixExtentPlus(Geometry geom, float[] distances, |
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154 | ViewPort viewPort, int dpi) {
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155 | float[] myDistances = new float[] {0,0}; |
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156 | distances[0] = 0; |
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157 | distances[1] = 0; |
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158 | for (int i = 0; layers != null && i < layers.length; i++) { |
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159 | layers[i].getPixExtentPlus(geom, myDistances, viewPort, dpi); |
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160 | distances[0] = Math.max(myDistances[0], distances[0]); |
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161 | distances[1] = Math.max(myDistances[1], distances[1]); |
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162 | } |
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163 | } |
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164 | |||
165 | public ISymbol getSymbolForSelection() {
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166 | if (selectionSymbol == null) { |
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167 | selectionSymbol = new MultiLayerMarkerSymbol();
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168 | selectionSymbol.setDescription(getDescription()); |
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169 | for (int i = 0; layers != null && i < layers.length; i++) { |
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170 | selectionSymbol.addLayer(layers[i].getSymbolForSelection()); |
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171 | } |
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172 | } |
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173 | return selectionSymbol;
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174 | |||
175 | } |
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176 | |||
177 | public boolean isSuitableFor(Geometry geom) { |
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178 | return geom.getType() == Geometry.TYPES.POINT;
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179 | } |
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180 | |||
181 | |||
182 | public String getClassName() { |
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183 | return getClass().getName();
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184 | } |
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185 | |||
186 | public void print(Graphics2D g, AffineTransform at, Geometry geom, PrintAttributes properties) { |
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187 | for (int i = 0; layers != null && i < layers.length; i++) { |
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188 | layers[i].print(g, at, geom, properties); |
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189 | } |
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190 | |||
191 | } |
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192 | |||
193 | public void setLayer(int index, ISymbol layer) throws IndexOutOfBoundsException { |
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194 | layers[index] = (IMarkerSymbol) layer; |
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195 | } |
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196 | |||
197 | public void swapLayers(int index1, int index2) { |
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198 | ISymbol aux1 = getLayer(index1), aux2 = getLayer(index2); |
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199 | layers[index2] = (IMarkerSymbol) aux1; |
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200 | layers[index1] = (IMarkerSymbol) aux2; |
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201 | } |
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202 | |||
203 | public ISymbol getLayer(int layerIndex) { |
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204 | // try{
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205 | return layers[layerIndex];
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206 | // } catch (Exception e) {
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207 | // return null;
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208 | // }
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209 | } |
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210 | |||
211 | public int getLayerCount() { |
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212 | return layers.length;
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213 | } |
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214 | |||
215 | public void addLayer(ISymbol newLayer) { |
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216 | addLayer(newLayer, layers.length); |
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217 | } |
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218 | |||
219 | public void addLayer(ISymbol newLayer, int layerIndex) throws IndexOutOfBoundsException { |
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220 | if (newLayer == null ) { |
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221 | /*|| newLayer instanceof ILabelStyle)*/ return; // null or symbols that are styles are not allowed |
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222 | } |
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223 | |||
224 | IMarkerSymbol newMarker = (IMarkerSymbol) newLayer; |
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225 | if (getLayerCount() == 0) { |
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226 | // apply the new layer properties to this multilayer
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227 | |||
228 | setReferenceSystem(newMarker.getReferenceSystem()); |
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229 | markerSize = newMarker.getSize(); |
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230 | //setSize(newMarker.getSize());
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231 | setUnit(newMarker.getUnit()); |
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232 | } else {
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233 | if (newMarker.getSize() > getSize()) {
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234 | //setSize(newMarker.getSize());
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235 | markerSize = newMarker.getSize(); |
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236 | } |
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237 | newMarker.setReferenceSystem(getReferenceSystem()); |
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238 | newMarker.setUnit(getUnit()); |
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239 | } |
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240 | selectionSymbol = null; /* forces the selection symbol to be re-created |
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241 | * next time it is required
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242 | */
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243 | if (layerIndex < 0 || layers.length < layerIndex) { |
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244 | throw new IndexOutOfBoundsException(layerIndex+" < 0 or "+layerIndex+" > "+layers.length); |
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245 | } |
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246 | List<ISymbol> newLayers = new ArrayList<ISymbol>(); |
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247 | for (int i = 0; i < layers.length; i++) { |
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248 | newLayers.add(layers[i]); |
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249 | } |
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250 | try {
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251 | newLayers.add(layerIndex, newLayer); |
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252 | layers = (IMarkerSymbol[]) newLayers.toArray(new IMarkerSymbol[0]); |
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253 | } catch (ArrayStoreException asEx) { |
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254 | throw new ClassCastException(newLayer.getClass().getName()+" is not an IMarkerSymbol"); |
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255 | } |
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256 | } |
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257 | |||
258 | public boolean removeLayer(ISymbol layer) { |
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259 | |||
260 | int capacity = 0; |
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261 | capacity = layers.length; |
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262 | List<ISymbol> lst = new ArrayList<ISymbol>(capacity); |
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263 | for (int i = 0; i < capacity; i++) { |
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264 | lst.add(layers[i]); |
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265 | } |
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266 | boolean contains = lst.remove(layer);
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267 | layers = (IMarkerSymbol[])lst.toArray(new IMarkerSymbol[0]); |
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268 | return contains;
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269 | } |
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270 | |||
271 | public void setUnit(int unit) { |
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272 | super.setUnit(unit);
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273 | for (int i = 0; layers != null && i < layers.length; i++) { |
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274 | layers[i].setUnit(unit); |
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275 | } |
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276 | } |
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277 | |||
278 | public void setReferenceSystem(int system) { |
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279 | super.setReferenceSystem(system);
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280 | for (int i = 0; layers != null && i < layers.length; i++) { |
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281 | layers[i].setReferenceSystem(system); |
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282 | } |
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283 | } |
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284 | |||
285 | public void setAlpha(int alpha) { |
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286 | // first, get the biggest alpha in the layers and the index if such layer
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287 | int maxAlpha = Integer.MIN_VALUE; |
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288 | int maxAlphaLayerIndex = 0; |
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289 | for (int i = 0; layers != null && i < layers.length; i++) { |
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290 | if (layers[i].getColor().getAlpha() > maxAlpha) {
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291 | maxAlpha = layers[i].getColor().getAlpha(); |
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292 | maxAlphaLayerIndex = i; |
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293 | } |
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294 | } |
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295 | |||
296 | // now, max alpha takes the value of the desired alpha and the rest
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297 | // will take a scaled (to biggest alpha) alpha value
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298 | for (int i = 0; layers != null && i < layers.length; i++) { |
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299 | int r = layers[i].getColor().getRed();
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300 | int g = layers[i].getColor().getGreen();
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301 | int b = layers[i].getColor().getBlue();
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302 | |||
303 | if (i!=maxAlphaLayerIndex) {
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304 | double scaledAlpha = (double) layers[i].getColor().getAlpha()/maxAlpha; |
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305 | int myAlpha = (int) (alpha*scaledAlpha); |
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306 | if (myAlpha == 0) { |
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307 | myAlpha = 1;
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308 | } |
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309 | layers[i].setColor(new Color(r, g, b, myAlpha)); |
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310 | } else {
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311 | int myAlpha = alpha;
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312 | if (myAlpha == 0) { |
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313 | myAlpha = 1;
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314 | } |
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315 | layers[i].setColor(new Color(r, g, b, myAlpha)); |
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316 | } |
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317 | } |
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318 | |||
319 | } |
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320 | |||
321 | public Object clone() throws CloneNotSupportedException { |
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322 | MultiLayerMarkerSymbol copy = (MultiLayerMarkerSymbol) super.clone();
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323 | |||
324 | // Clone layers
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325 | if (layers != null) { |
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326 | IMarkerSymbol[] layersCopy = new IMarkerSymbol[layers.length]; |
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327 | for (int i = 0; i < layers.length; i++) { |
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328 | layersCopy[i] = (IMarkerSymbol) layers[i].clone(); |
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329 | } |
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330 | copy.layers = layersCopy; |
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331 | } |
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332 | |||
333 | // Clone selection
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334 | if (selectionSymbol != null) { |
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335 | copy.selectionSymbol = (MultiLayerMarkerSymbol) selectionSymbol |
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336 | .clone(); |
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337 | } |
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338 | |||
339 | return copy;
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340 | } |
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341 | |||
342 | @SuppressWarnings("unchecked") |
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343 | public void loadFromState(PersistentState state) |
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344 | throws PersistenceException {
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345 | // Set parent fill symbol properties
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346 | super.loadFromState(state);
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347 | // Set own properties
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348 | List layers = state.getList(FIELD_LAYERS);
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349 | if (layers != null) { |
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350 | for (int i = 0; i < layers.size(); i++) { |
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351 | addLayer((ISymbol) layers.get(i)); |
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352 | } |
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353 | } |
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354 | setRotation(state.getDouble(FIELD_ROTATION)); |
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355 | } |
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356 | |||
357 | public void saveToState(PersistentState state) throws PersistenceException { |
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358 | // Save parent fill symbol properties
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359 | super.saveToState(state);
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360 | // Save own properties
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361 | if (layers != null && layers.length > 0) { |
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362 | state.set(FIELD_LAYERS, Arrays.asList(layers));
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363 | } |
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364 | state.set(FIELD_ROTATION, getRotation()); |
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365 | } |
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366 | |||
367 | public static class RegisterPersistence implements Callable { |
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368 | |||
369 | public Object call() throws Exception { |
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370 | PersistenceManager manager = ToolsLocator.getPersistenceManager(); |
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371 | if( manager.getDefinition(MULTILAYER_MARKER_SYMBOL_PERSISTENCE_DEFINITION_NAME)==null ) { |
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372 | DynStruct definition = manager.addDefinition( |
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373 | MultiLayerMarkerSymbol.class, |
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374 | MULTILAYER_MARKER_SYMBOL_PERSISTENCE_DEFINITION_NAME, |
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375 | MULTILAYER_MARKER_SYMBOL_PERSISTENCE_DEFINITION_NAME+" Persistence definition",
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376 | null,
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377 | null
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378 | ); |
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379 | // Extend the MarkerSymbol base definition
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380 | definition.extend(manager.getDefinition(MARKER_SYMBOL_PERSISTENCE_DEFINITION_NAME)); |
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381 | |||
382 | // Layers
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383 | definition.addDynFieldList(FIELD_LAYERS).setClassOfItems(IMarkerSymbol.class); |
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384 | // Rotation
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385 | definition.addDynFieldDouble(FIELD_ROTATION).setMandatory(true);
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386 | } |
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387 | return Boolean.TRUE; |
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388 | } |
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389 | |||
390 | } |
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391 | |||
392 | public static class RegisterSymbol implements Callable { |
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393 | |||
394 | public Object call() throws Exception { |
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395 | int[] shapeTypes; |
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396 | SymbolManager manager = MapContextLocator.getSymbolManager(); |
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397 | |||
398 | shapeTypes = |
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399 | new int[] { Geometry.TYPES.POINT, Geometry.TYPES.MULTIPOINT }; |
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400 | manager.registerMultiLayerSymbol(IMarkerSymbol.SYMBOL_NAME, |
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401 | shapeTypes, |
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402 | MultiLayerMarkerSymbol.class); |
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403 | |||
404 | return Boolean.TRUE; |
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405 | } |
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406 | |||
407 | } |
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408 | |||
409 | } |