root / trunk / libraries / libFMap / src / com / iver / cit / gvsig / fmap / core / symbols / MultiLayerLineSymbol.java @ 10679
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1 | 10679 | jaume | /* 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 | * $Id$
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45 | * $Log$
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46 | * Revision 1.2 2007-03-09 11:20:56 jaume
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47 | * Advanced symbology (start committing)
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48 | *
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49 | * Revision 1.1.2.3 2007/02/21 16:09:02 jaume
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50 | * *** empty log message ***
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51 | *
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52 | * Revision 1.1.2.2 2007/02/21 07:34:09 jaume
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53 | * labeling starts working
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54 | *
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55 | * Revision 1.1.2.1 2007/02/16 10:54:12 jaume
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56 | * multilayer splitted to multilayerline, multilayermarker,and multilayerfill
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57 | *
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58 | *
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59 | */
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60 | package com.iver.cit.gvsig.fmap.core.symbols; |
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61 | |||
62 | import java.awt.Color; |
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63 | import java.awt.Graphics2D; |
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64 | import java.awt.Rectangle; |
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65 | import java.awt.Shape; |
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66 | import java.awt.geom.AffineTransform; |
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67 | import java.util.ArrayList; |
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68 | |||
69 | import com.hardcode.gdbms.driver.exceptions.ReadDriverException; |
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70 | import com.iver.cit.gvsig.fmap.core.FShape; |
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71 | import com.iver.cit.gvsig.fmap.core.IGeometry; |
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72 | import com.iver.cit.gvsig.fmap.core.SymbologyFactory; |
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73 | import com.iver.cit.gvsig.fmap.core.styles.ILineStyle; |
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74 | import com.iver.cit.gvsig.fmap.core.v02.FSymbol; |
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75 | import com.iver.utiles.XMLEntity; |
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76 | |||
77 | public class MultiLayerLineSymbol extends AbstractSymbol implements |
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78 | ILineSymbol, IMultiLayerSymbol { |
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79 | private ILineSymbol[] layers = new ILineSymbol[0]; |
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80 | private ILineSymbol selectionSymbol;
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81 | |||
82 | public Color getColor() { |
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83 | /*
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84 | * a multilayer symbol does not define any color, the color
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85 | * of each layer is defined by the layer itself
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86 | */
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87 | return null; |
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88 | } |
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89 | |||
90 | public ILineStyle getLineStyle() {
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91 | /*
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92 | * a multilayer symbol does not define any style, the style
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93 | * of each layer is defined by the layer itself
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94 | */
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95 | return null; |
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96 | } |
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97 | |||
98 | public double getWidth() { |
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99 | /*
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100 | * will return the widest symbol's width
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101 | */
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102 | double width = Double.MIN_VALUE; |
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103 | for (int i = 0; i < layers.length; i++) { |
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104 | width = Math.max(width, layers[i].getWidth());
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105 | } |
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106 | return width;
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107 | } |
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108 | |||
109 | public void setColor(Color color) { |
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110 | /*
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111 | * will apply the color to each layer
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112 | */
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113 | for (int i = 0; i < layers.length; i++) { |
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114 | layers[i].setColor(color); |
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115 | } |
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116 | } |
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117 | |||
118 | public void setLineStyle(ILineStyle lineStyle) { |
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119 | /*
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120 | * will apply the same patter to each layer
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121 | */
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122 | for (int i = 0; i < layers.length; i++) { |
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123 | layers[i].setLineStyle(lineStyle); |
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124 | } |
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125 | } |
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126 | |||
127 | public void setWidth(double width) { |
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128 | /* take the biggest width of the layer set and
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129 | * extract a factor scale that will be applied
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130 | * to each layer.
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131 | */
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132 | double myWidth = getWidth();
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133 | double scaleFactor = width / myWidth;
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134 | for (int i = 0; i < layers.length; i++) { |
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135 | layers[i].setWidth(layers[i].getWidth()*scaleFactor); |
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136 | } |
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137 | } |
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138 | |||
139 | public void draw(Graphics2D g, AffineTransform affineTransform, FShape shp) { |
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140 | for (int i = 0; i < layers.length; i++) { |
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141 | layers[i].draw(g, affineTransform, shp); |
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142 | } |
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143 | } |
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144 | |||
145 | public void drawInsideRectangle(Graphics2D g, AffineTransform scaleInstance, Rectangle r) { |
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146 | for (int i = 0; i < layers.length; i++) { |
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147 | layers[i].drawInsideRectangle(g, scaleInstance, r); |
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148 | } |
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149 | } |
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150 | |||
151 | public int getOnePointRgb() { |
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152 | // will paint only the last layer pixel
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153 | return layers[layers.length-1].getOnePointRgb(); |
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154 | } |
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155 | |||
156 | public int getPixExtentPlus(Graphics2D g, AffineTransform affineTransform, |
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157 | Shape shp) {
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158 | // TODO Implement it
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159 | throw new Error("Not yet implemented!"); |
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160 | |||
161 | } |
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162 | |||
163 | public ISymbol getSymbolForSelection() {
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164 | if (selectionSymbol == null) { |
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165 | selectionSymbol = new SimpleLineSymbol();
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166 | selectionSymbol.setDescription(getDescription()); |
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167 | selectionSymbol.setWidth(getWidth()); |
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168 | selectionSymbol.setColor(FSymbol.getSelectionColor()); |
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169 | } |
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170 | return selectionSymbol;
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171 | } |
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172 | |||
173 | public int getSymbolType() { |
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174 | return FShape.LINE;
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175 | } |
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176 | |||
177 | public XMLEntity getXMLEntity() {
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178 | XMLEntity xml = new XMLEntity();
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179 | xml.putProperty("className", getClass().getName());
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180 | xml.putProperty("isShapeVisible", isShapeVisible());
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181 | xml.putProperty("desc", getDescription());
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182 | for (int i = 0; i < layers.length; i++) { |
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183 | xml.addChild(layers[i].getXMLEntity()); |
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184 | } |
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185 | return xml;
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186 | } |
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187 | |||
188 | public boolean isSuitableFor(IGeometry geom) { |
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189 | return geom.getGeometryType() == FShape.LINE;
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190 | } |
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191 | |||
192 | public String getClassName() { |
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193 | return getClass().getName();
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194 | } |
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195 | |||
196 | public void setXMLEntity(XMLEntity xml) { |
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197 | setIsShapeVisible(xml.getBooleanProperty("isShapeVisible"));
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198 | setDescription(xml.getStringProperty("desc"));
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199 | layers = new ILineSymbol[xml.getChildrenCount()];
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200 | for (int i = 0; i < layers.length; i++) { |
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201 | layers[i] = (ILineSymbol) SymbologyFactory.createSymbolFromXML(xml.getChild(i), "layer" + i);
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202 | } |
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203 | } |
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204 | |||
205 | public void print(Graphics2D g, AffineTransform at, FShape shape) |
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206 | throws ReadDriverException {
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207 | // TODO Implement it
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208 | throw new Error("Not yet implemented!"); |
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209 | |||
210 | } |
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211 | |||
212 | public void setLayer(int index, ISymbol layer) throws IndexOutOfBoundsException { |
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213 | layers[index] = (ILineSymbol) layer; |
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214 | } |
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215 | |||
216 | public void swapLayers(int index1, int index2) { |
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217 | ISymbol aux1 = getLayer(index1), aux2 = getLayer(index2); |
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218 | layers[index2] = (ILineSymbol) aux1; |
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219 | layers[index1] = (ILineSymbol) aux2; |
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220 | } |
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221 | |||
222 | public ISymbol getLayer(int layerIndex) { |
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223 | try{
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224 | return layers[layerIndex];
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225 | } catch (Exception e) { |
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226 | return null; |
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227 | } |
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228 | } |
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229 | |||
230 | public int getLayerCount() { |
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231 | return layers.length;
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232 | } |
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233 | |||
234 | public void addLayer(ISymbol newLayer) { |
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235 | if (newLayer == null) return; |
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236 | |||
237 | selectionSymbol = null; /* forces the selection symbol to be re-created |
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238 | * next time it is required
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239 | */
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240 | int size = layers.length+1; |
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241 | ILineSymbol[] newLayers = new ILineSymbol[size]; |
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242 | for (int i = 0; i < newLayers.length-1; i++) { |
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243 | newLayers[i] = layers[i]; |
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244 | } |
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245 | newLayers[size-1] = (ILineSymbol) newLayer;
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246 | layers = newLayers; |
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247 | } |
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248 | |||
249 | public void addLayer(ISymbol newLayer, int layerIndex) throws IndexOutOfBoundsException { |
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250 | if (newLayer == null) return; // null are not allowed |
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251 | |||
252 | selectionSymbol = null; /* forces the selection symbol to be re-created |
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253 | * next time it is required
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254 | */
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255 | if (layerIndex < 0 || layers.length < layerIndex) |
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256 | throw new IndexOutOfBoundsException(layerIndex+" < 0 or "+layerIndex+" > "+layers.length); |
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257 | ArrayList newLayers = new ArrayList(); |
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258 | for (int i = 0; i < layers.length; i++) { |
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259 | newLayers.add(layers[i]); |
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260 | } |
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261 | newLayers.add(layerIndex, newLayer); |
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262 | layers = (ILineSymbol[]) newLayers.toArray(new ILineSymbol[0]); |
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263 | } |
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264 | |||
265 | public boolean removeLayer(ISymbol layer) { |
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266 | |||
267 | int capacity = 0; |
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268 | capacity = layers.length; |
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269 | ArrayList lst = new ArrayList(capacity); |
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270 | for (int i = 0; i < capacity; i++) { |
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271 | lst.add(layers[i]); |
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272 | } |
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273 | boolean contains = lst.remove(layer);
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274 | layers = (ILineSymbol[])lst.toArray(new ILineSymbol[0]); |
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275 | return contains;
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276 | } |
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277 | |||
278 | public int getAlpha() { |
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279 | // will compute the acumulated opacity
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280 | double myAlpha = 0; |
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281 | for (int i = 0; i < layers.length; i++) { |
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282 | double layerAlpha = layers[i].getAlpha()/255D; |
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283 | myAlpha += (1-myAlpha)*layerAlpha;
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284 | } |
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285 | int result = (int) Math.round(myAlpha * 255); |
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286 | return (result>255) ? 255 : result; |
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287 | } |
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288 | |||
289 | public void setAlpha(int outlineAlpha) { |
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290 | // first, get the biggest alpha in the layers and the index if such layer
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291 | int maxAlpha = Integer.MIN_VALUE; |
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292 | int maxAlphaLayerIndex = 0; |
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293 | for (int i = 0; i < layers.length; i++) { |
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294 | if (layers[i].getAlpha() > maxAlpha) {
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295 | maxAlpha = layers[i].getAlpha(); |
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296 | maxAlphaLayerIndex = i; |
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297 | } |
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298 | } |
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299 | |||
300 | // now, max alpha takes the value of the desired alpha and the rest
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301 | // will take a scaled (to biggest alpha) alpha value
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302 | for (int i = 0; i < layers.length; i++) { |
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303 | if (i!=maxAlphaLayerIndex) {
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304 | double scaledAlpha = (double) layers[i].getAlpha()/maxAlpha; |
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305 | layers[i].setAlpha((int) (outlineAlpha*scaledAlpha));
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306 | } else {
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307 | layers[i].setAlpha(outlineAlpha); |
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308 | } |
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309 | } |
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310 | |||
311 | } |
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312 | |||
313 | |||
314 | } |