svn-gvsig-desktop / trunk / libraries / libFMap / src / com / iver / cit / gvsig / fmap / core / symbols / MultiLayerLineSymbol.java @ 28367
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1 | 18629 | jdominguez | /* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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2 | *
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3 | * Copyright (C) 2005 IVER T.I. and Generalitat Valenciana.
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4 | *
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5 | * This program is free software; you can redistribute it and/or
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6 | * modify it under the terms of the GNU General Public License
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7 | * as published by the Free Software Foundation; either version 2
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8 | * of the License, or (at your option) any later version.
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9 | *
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10 | * This program is distributed in the hope that it will be useful,
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11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 | * GNU General Public License for more details.
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14 | *
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15 | * You should have received a copy of the GNU General Public License
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16 | * along with this program; if not, write to the Free Software
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17 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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18 | *
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19 | * For more information, contact:
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20 | *
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21 | * Generalitat Valenciana
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22 | * Conselleria d'Infraestructures i Transport
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23 | * Av. Blasco Ib??ez, 50
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24 | * 46010 VALENCIA
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25 | * SPAIN
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26 | *
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27 | * +34 963862235
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28 | * gvsig@gva.es
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29 | * www.gvsig.gva.es
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30 | *
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31 | * or
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32 | *
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33 | * IVER T.I. S.A
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34 | * Salamanca 50
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35 | * 46005 Valencia
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36 | * Spain
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37 | *
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38 | * +34 963163400
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39 | * dac@iver.es
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40 | */
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41 | |||
42 | /* CVS MESSAGES:
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43 | *
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44 | * $Id: MultiLayerLineSymbol.java 15675 2007-10-30 16:41:53Z jdominguez $
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45 | * $Log$
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46 | * Revision 1.18 2007-09-21 12:25:32 jaume
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47 | * cancellation support extended down to the IGeometry and ISymbol level
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48 | *
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49 | * Revision 1.17 2007/09/18 07:30:15 cesar
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50 | * Revert last change
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51 | *
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52 | * Revision 1.15 2007/09/17 15:26:24 jaume
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53 | * *** empty log message ***
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54 | *
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55 | * Revision 1.14 2007/09/17 14:16:11 jaume
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56 | * multilayer symbols sizing bug fixed
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57 | *
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58 | * Revision 1.13 2007/09/17 09:33:47 jaume
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59 | * some multishapedsymbol bugs fixed
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60 | *
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61 | * Revision 1.12 2007/08/09 08:04:48 jvidal
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62 | * javadoc
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63 | *
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64 | * Revision 1.11 2007/07/23 06:52:55 jaume
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65 | * Added support for arrow line decorator (start commiting)
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66 | *
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67 | * Revision 1.10 2007/07/18 06:54:34 jaume
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68 | * continuing with cartographic support
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69 | *
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70 | * Revision 1.9 2007/07/03 10:58:29 jaume
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71 | * first refactor on CartographicSupport
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72 | *
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73 | * Revision 1.8 2007/06/29 13:07:01 jaume
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74 | * +PictureLineSymbol
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75 | *
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76 | * Revision 1.7 2007/05/17 09:32:06 jaume
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77 | * *** empty log message ***
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78 | *
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79 | * Revision 1.6 2007/05/08 08:47:40 jaume
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80 | * *** empty log message ***
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81 | *
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82 | * Revision 1.5 2007/04/17 07:01:53 bsanchez
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83 | * - Corregido fallo de Double.MIN_VALUE por Double.NEGATIVE_INFINITY comentado por Victor Olaya.
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84 | *
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85 | * Revision 1.4 2007/03/26 14:26:02 jaume
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86 | * implemented Print
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87 | *
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88 | * Revision 1.3 2007/03/20 16:01:21 jaume
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89 | * *** empty log message ***
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90 | *
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91 | * Revision 1.2 2007/03/09 11:20:56 jaume
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92 | * Advanced symbology (start committing)
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93 | *
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94 | * Revision 1.1.2.3 2007/02/21 16:09:02 jaume
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95 | * *** empty log message ***
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96 | *
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97 | * Revision 1.1.2.2 2007/02/21 07:34:09 jaume
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98 | * labeling starts working
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99 | *
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100 | * Revision 1.1.2.1 2007/02/16 10:54:12 jaume
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101 | * multilayer splitted to multilayerline, multilayermarker,and multilayerfill
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102 | *
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103 | *
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104 | */
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105 | package com.iver.cit.gvsig.fmap.core.symbols; |
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106 | |||
107 | import java.awt.Color; |
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108 | import java.awt.Graphics2D; |
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109 | import java.awt.Rectangle; |
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110 | import java.awt.geom.AffineTransform; |
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111 | import java.util.ArrayList; |
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112 | |||
113 | import javax.print.attribute.PrintRequestAttributeSet; |
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114 | |||
115 | import com.iver.cit.gvsig.fmap.MapContext; |
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116 | import com.iver.cit.gvsig.fmap.ViewPort; |
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117 | import com.iver.cit.gvsig.fmap.core.FShape; |
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118 | import com.iver.cit.gvsig.fmap.core.IGeometry; |
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119 | import com.iver.cit.gvsig.fmap.core.SymbologyFactory; |
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120 | import com.iver.cit.gvsig.fmap.core.styles.ILineStyle; |
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121 | import com.iver.utiles.XMLEntity; |
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122 | import com.iver.utiles.swing.threads.Cancellable; |
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123 | /**
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124 | * MultiLayerLineSymbol allows to create new symbols using a composition of several lineal
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125 | * symbols (xxxLineSymbol implementing ILineSymbol)and be treated as an only one symbol.
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126 | *
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127 | * @author jaume dominguez faus - jaume.dominguez@iver.es
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128 | */
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129 | public class MultiLayerLineSymbol extends AbstractLineSymbol implements |
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130 | ILineSymbol, IMultiLayerSymbol { |
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131 | private ILineSymbol[] layers = new ILineSymbol[0]; |
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132 | 22712 | vcaballero | private MultiLayerLineSymbol selectionSymbol;
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133 | 18629 | jdominguez | private double lineWidth; |
134 | |||
135 | public Color getColor() { |
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136 | /*
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137 | * a multilayer symbol does not define any color, the color
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138 | * of each layer is defined by the layer itself
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139 | */
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140 | return null; |
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141 | } |
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142 | |||
143 | public ILineStyle getLineStyle() {
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144 | /*
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145 | * a multilayer symbol does not define any style, the style
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146 | * of each layer is defined by the layer itself
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147 | */
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148 | return null; |
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149 | } |
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150 | |||
151 | public double getLineWidth() { |
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152 | |||
153 | double myLineWidth = 0; |
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154 | for (int i = 0; i < getLayerCount(); i++) { |
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155 | myLineWidth = Math.max(myLineWidth, ((ILineSymbol) getLayer(i)).getLineWidth());
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156 | } |
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157 | |||
158 | if (lineWidth != myLineWidth)
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159 | lineWidth = myLineWidth; |
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160 | return lineWidth;
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161 | } |
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162 | |||
163 | public void setLineColor(Color color) { |
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164 | /*
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165 | * will apply the color to each layer
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166 | */
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167 | for (int i = 0; i < layers.length; i++) { |
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168 | layers[i].setLineColor(color); |
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169 | } |
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170 | } |
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171 | |||
172 | public void setLineStyle(ILineStyle lineStyle) { |
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173 | /*
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174 | * will apply the same patter to each layer
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175 | */
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176 | for (int i = 0; i < layers.length; i++) { |
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177 | layers[i].setLineStyle(lineStyle); |
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178 | } |
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179 | } |
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180 | |||
181 | public void setLineWidth(double width) { |
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182 | 22712 | vcaballero | |
183 | 18629 | jdominguez | if (width > 0 && width != getLineWidth()) { |
184 | 22712 | vcaballero | double scaleFactor = width / getLineWidth();
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185 | 18629 | jdominguez | this.lineWidth = width;
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186 | for (int i = 0; i < layers.length; i++) { |
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187 | layers[i].setLineWidth(layers[i].getLineWidth()*scaleFactor); |
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188 | } |
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189 | } |
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190 | } |
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191 | |||
192 | public void draw(Graphics2D g, AffineTransform affineTransform, FShape shp, Cancellable cancel) { |
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193 | for (int i = 0; (cancel==null || !cancel.isCanceled()) && i < layers.length; i++) { |
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194 | layers[i].draw(g, affineTransform, shp, cancel); |
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195 | } |
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196 | } |
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197 | |||
198 | 28367 | vcaballero | public void drawInsideRectangle(Graphics2D g, AffineTransform scaleInstance, Rectangle r, PrintRequestAttributeSet properties) throws SymbolDrawingException { |
199 | 18629 | jdominguez | for (int i = 0; i < layers.length; i++) { |
200 | 28367 | vcaballero | layers[i].drawInsideRectangle(g, scaleInstance, r, properties); |
201 | 18629 | jdominguez | } |
202 | } |
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203 | |||
204 | public int getOnePointRgb() { |
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205 | // will paint only the last layer pixel
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206 | return layers[layers.length-1].getOnePointRgb(); |
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207 | } |
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208 | |||
209 | public void getPixExtentPlus(FShape shp, float[] distances, |
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210 | ViewPort viewPort, int dpi) {
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211 | float[] myDistances = new float[] {0,0}; |
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212 | distances[0] = 0; |
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213 | distances[1] = 0; |
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214 | for (int i = 0; i < layers.length; i++) { |
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215 | layers[i].getPixExtentPlus(shp, myDistances, viewPort, dpi); |
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216 | distances[0] = Math.max(myDistances[0], distances[0]); |
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217 | distances[1] = Math.max(myDistances[1], distances[1]); |
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218 | } |
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219 | } |
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220 | |||
221 | public ISymbol getSymbolForSelection() {
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222 | if (selectionSymbol == null) { |
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223 | 22712 | vcaballero | selectionSymbol = new MultiLayerLineSymbol();
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224 | 18629 | jdominguez | selectionSymbol.setDescription(getDescription()); |
225 | 22712 | vcaballero | for (int i = 0; i < layers.length; i++) { |
226 | selectionSymbol.addLayer(layers[i].getSymbolForSelection()); |
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227 | } |
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228 | 18629 | jdominguez | } |
229 | return selectionSymbol;
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230 | } |
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231 | |||
232 | |||
233 | 22712 | vcaballero | |
234 | |||
235 | 18629 | jdominguez | public XMLEntity getXMLEntity() {
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236 | XMLEntity xml = new XMLEntity();
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237 | xml.putProperty("className", getClass().getName());
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238 | xml.putProperty("isShapeVisible", isShapeVisible());
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239 | xml.putProperty("desc", getDescription());
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240 | xml.putProperty("lineWidth", getLineWidth());
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241 | xml.putProperty("unit", getUnit());
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242 | xml.putProperty("referenceSystem", getReferenceSystem());
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243 | for (int i = 0; i < layers.length; i++) { |
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244 | xml.addChild(layers[i].getXMLEntity()); |
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245 | } |
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246 | return xml;
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247 | } |
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248 | |||
249 | public boolean isSuitableFor(IGeometry geom) { |
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250 | return geom.getGeometryType() == FShape.LINE;
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251 | } |
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252 | |||
253 | public String getClassName() { |
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254 | return getClass().getName();
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255 | } |
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256 | |||
257 | public void setXMLEntity(XMLEntity xml) { |
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258 | setIsShapeVisible(xml.getBooleanProperty("isShapeVisible"));
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259 | setDescription(xml.getStringProperty("desc"));
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260 | setLineWidth(xml.getDoubleProperty("lineWidth"));
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261 | setUnit(xml.getIntProperty("unit"));
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262 | setReferenceSystem(xml.getIntProperty("referenceSystem"));
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263 | for (int i = 0; i < xml.getChildrenCount(); i++) { |
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264 | addLayer((ILineSymbol) SymbologyFactory.createSymbolFromXML(xml.getChild(i), "layer" + i));
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265 | } |
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266 | } |
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267 | |||
268 | 28367 | vcaballero | public void print(Graphics2D g, AffineTransform at, FShape shape, PrintRequestAttributeSet properties) { |
269 | 18629 | jdominguez | for (int i = 0; i < layers.length; i++) { |
270 | layers[i].print(g, at, shape, properties); |
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271 | } |
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272 | |||
273 | } |
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274 | |||
275 | public void setLayer(int index, ISymbol layer) throws IndexOutOfBoundsException { |
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276 | layers[index] = (ILineSymbol) layer; |
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277 | } |
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278 | |||
279 | public void swapLayers(int index1, int index2) { |
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280 | ISymbol aux1 = getLayer(index1), aux2 = getLayer(index2); |
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281 | layers[index2] = (ILineSymbol) aux1; |
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282 | layers[index1] = (ILineSymbol) aux2; |
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283 | } |
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284 | |||
285 | public ISymbol getLayer(int layerIndex) { |
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286 | return layers[layerIndex];
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287 | } |
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288 | |||
289 | public int getLayerCount() { |
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290 | return layers.length;
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291 | } |
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292 | |||
293 | public void addLayer(ISymbol newLayer) { |
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294 | addLayer(newLayer, layers.length); |
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295 | } |
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296 | |||
297 | public void addLayer(ISymbol newLayer, int layerIndex) throws IndexOutOfBoundsException { |
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298 | 22712 | vcaballero | |
299 | 18629 | jdominguez | if (newLayer == null) return; // null are not allowed |
300 | ILineSymbol newLine = (ILineSymbol) newLayer; |
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301 | if (getLayerCount() == 0) { |
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302 | // apply the new layer properties to this multilayer
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303 | 22712 | vcaballero | |
304 | 18629 | jdominguez | setReferenceSystem(newLine.getReferenceSystem()); |
305 | lineWidth = newLine.getLineWidth(); |
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306 | setUnit(newLine.getUnit()); |
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307 | } else {
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308 | if (newLine.getLineWidth() > getLineWidth()) {
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309 | lineWidth = newLine.getLineWidth(); |
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310 | } |
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311 | newLine.setReferenceSystem(getReferenceSystem()); |
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312 | newLine.setUnit(getUnit()); |
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313 | 22712 | vcaballero | } |
314 | |||
315 | 18629 | jdominguez | selectionSymbol = null; /* forces the selection symbol to be re-created |
316 | * next time it is required
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317 | */
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318 | 22712 | vcaballero | |
319 | |||
320 | 18629 | jdominguez | if (layerIndex < 0 || layers.length < layerIndex) |
321 | throw new IndexOutOfBoundsException(layerIndex+" < 0 or "+layerIndex+" > "+layers.length); |
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322 | ArrayList<ISymbol> newLayers = new ArrayList<ISymbol>(); |
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323 | for (int i = 0; i < layers.length; i++) { |
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324 | newLayers.add(layers[i]); |
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325 | } |
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326 | 20778 | vcaballero | try {
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327 | newLayers.add(layerIndex, newLayer); |
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328 | 22712 | vcaballero | layers = (ILineSymbol[]) newLayers.toArray(new ILineSymbol[0]); |
329 | 20778 | vcaballero | } catch (ArrayStoreException asEx) { |
330 | throw new ClassCastException(newLayer.getClassName()+" is not an ILineSymbol"); |
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331 | } |
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332 | 18629 | jdominguez | } |
333 | |||
334 | public boolean removeLayer(ISymbol layer) { |
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335 | |||
336 | int capacity = 0; |
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337 | capacity = layers.length; |
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338 | ArrayList<ILineSymbol> lst = new ArrayList<ILineSymbol>(capacity); |
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339 | for (int i = 0; i < capacity; i++) { |
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340 | lst.add(layers[i]); |
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341 | } |
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342 | boolean contains = lst.remove(layer);
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343 | layers = lst.toArray(new ILineSymbol[0]); |
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344 | return contains;
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345 | } |
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346 | |||
347 | public int getAlpha() { |
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348 | // will compute the acumulated opacity
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349 | double myAlpha = 0; |
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350 | for (int i = 0; i < layers.length; i++) { |
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351 | double layerAlpha = layers[i].getAlpha()/255D; |
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352 | myAlpha += (1-myAlpha)*layerAlpha;
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353 | } |
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354 | int result = (int) Math.round(myAlpha * 255); |
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355 | return (result>255) ? 255 : result; |
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356 | } |
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357 | |||
358 | public void setAlpha(int outlineAlpha) { |
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359 | // first, get the biggest alpha in the layers and the index if such layer
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360 | int maxAlpha = Integer.MIN_VALUE; |
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361 | int maxAlphaLayerIndex = 0; |
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362 | for (int i = 0; i < layers.length; i++) { |
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363 | if (layers[i].getAlpha() > maxAlpha) {
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364 | maxAlpha = layers[i].getAlpha(); |
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365 | maxAlphaLayerIndex = i; |
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366 | } |
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367 | } |
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368 | |||
369 | // now, max alpha takes the value of the desired alpha and the rest
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370 | // will take a scaled (to biggest alpha) alpha value
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371 | for (int i = 0; i < layers.length; i++) { |
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372 | if (i!=maxAlphaLayerIndex) {
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373 | double scaledAlpha = (double) layers[i].getAlpha()/maxAlpha; |
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374 | int myAlpha = (int) (outlineAlpha*scaledAlpha); |
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375 | if (myAlpha == 0) |
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376 | myAlpha = 1;
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377 | layers[i].setAlpha(myAlpha); |
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378 | } else {
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379 | int myAlpha = (int) outlineAlpha; |
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380 | if (myAlpha == 0) |
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381 | myAlpha = 1;
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382 | layers[i].setAlpha(myAlpha); |
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383 | } |
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384 | } |
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385 | |||
386 | } |
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387 | |||
388 | @Override
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389 | public void setUnit(int unitIndex) { |
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390 | super.setUnit(unitIndex);
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391 | for (int i = 0; i < layers.length; i++) { |
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392 | layers[i].setUnit(unitIndex); |
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393 | } |
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394 | } |
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395 | 22712 | vcaballero | |
396 | 18629 | jdominguez | @Override
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397 | public void setReferenceSystem(int system) { |
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398 | super.setReferenceSystem(system);
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399 | for (int i = 0; i < layers.length; i++) { |
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400 | layers[i].setReferenceSystem(system); |
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401 | } |
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402 | } |
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403 | 22712 | vcaballero | |
404 | 18629 | jdominguez | @Override
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405 | public void setCartographicSize(double cartographicSize, FShape shp) { |
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406 | // super.setCartographicSize(cartographicSize, shp);
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407 | setLineWidth(cartographicSize); |
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408 | } |
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409 | } |