root / trunk / extensions / extSymbology / src / org / gvsig / symbology / fmap / symbols / MarkerLineSymbol.java @ 22457
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1 | 20768 | 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 | package org.gvsig.symbology.fmap.symbols; |
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42 | |||
43 | import java.awt.Color; |
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44 | import java.awt.Graphics2D; |
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45 | import java.awt.geom.AffineTransform; |
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46 | |||
47 | import javax.print.attribute.PrintRequestAttributeSet; |
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48 | |||
49 | import org.apache.batik.ext.awt.geom.PathLength; |
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50 | |||
51 | import com.hardcode.gdbms.driver.exceptions.ReadDriverException; |
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52 | import com.iver.cit.gvsig.fmap.core.FPoint2D; |
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53 | import com.iver.cit.gvsig.fmap.core.FShape; |
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54 | import com.iver.cit.gvsig.fmap.core.SymbologyFactory; |
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55 | import com.iver.cit.gvsig.fmap.core.styles.ILineStyle; |
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56 | import com.iver.cit.gvsig.fmap.core.symbols.AbstractLineSymbol; |
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57 | import com.iver.cit.gvsig.fmap.core.symbols.IMarkerSymbol; |
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58 | import com.iver.cit.gvsig.fmap.core.symbols.ISymbol; |
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59 | import com.iver.utiles.XMLEntity; |
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60 | import com.iver.utiles.swing.threads.Cancellable; |
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61 | |||
62 | /**
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63 | * MarkerLineSymbol allows to use any symbol defined as an image to draw a lineal object.
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64 | * The line will be painted as a run of symbols through the path defined by the line.
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65 | *
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66 | * @author jaume dominguez faus - jaume.dominguez@iver.es
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67 | */
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68 | public class MarkerLineSymbol extends AbstractLineSymbol { |
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69 | private IMarkerSymbol marker;
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70 | private MarkerLineSymbol symSelect;
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71 | private double separation = 5; |
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72 | private double cartographicSeparation; |
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73 | private double width; |
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74 | |||
75 | { |
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76 | marker = SymbologyFactory.createDefaultMarkerSymbol(); |
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77 | marker.setSize(5);
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78 | } |
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79 | |||
80 | public void setLineWidth(double width) { |
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81 | this.width = width;
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82 | getLineStyle().setLineWidth((float) width);
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83 | } |
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84 | |||
85 | public double getLineWidth() { |
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86 | return width;
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87 | } |
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88 | |||
89 | |||
90 | public void draw(Graphics2D g, AffineTransform affineTransform, FShape shp, Cancellable cancel) { |
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91 | PathLength pl = new PathLength(shp);
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92 | float myLineLength = pl.lengthOfPath(); // length without the first and last arrow |
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93 | float separation = (float) cartographicSeparation; |
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94 | |||
95 | FPoint2D p = new FPoint2D(pl.pointAtLength(0)); |
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96 | double lineWidth = getLineStyle().getLineWidth();
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97 | marker.setSize(lineWidth); |
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98 | marker.draw(g, affineTransform, p, null);
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99 | |||
100 | |||
101 | float length = (float) (separation + lineWidth); |
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102 | while ((cancel==null || !cancel.isCanceled()) && length < myLineLength) { |
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103 | p = new FPoint2D(pl.pointAtLength(length));
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104 | marker.draw(g, affineTransform, p, null);
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105 | length += separation + lineWidth; |
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106 | } |
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107 | } |
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108 | |||
109 | |||
110 | /**
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111 | * Gets the separation between the marker symbols that are used to draw the line.
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112 | *
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113 | * @return separation
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114 | */
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115 | public double getSeparation() { |
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116 | return separation;
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117 | } |
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118 | |||
119 | public ISymbol getSymbolForSelection() {
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120 | if (symSelect == null) { |
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121 | symSelect = (MarkerLineSymbol) SymbologyFactory. |
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122 | createSymbolFromXML(getXMLEntity(), "selection derived symbol");
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123 | symSelect.setMarker((IMarkerSymbol) symSelect.getMarker() |
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124 | .getSymbolForSelection()); |
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125 | |||
126 | } |
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127 | |||
128 | return symSelect;
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129 | } |
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130 | |||
131 | public Color getColor() { |
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132 | return marker.getColor();
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133 | } |
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134 | |||
135 | public void setLineColor(Color color) { |
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136 | marker.setColor(color); |
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137 | } |
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138 | |||
139 | public XMLEntity getXMLEntity() {
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140 | XMLEntity xml = new XMLEntity();
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141 | xml.putProperty("className", getClassName());
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142 | xml.putProperty("isShapeVisible", isShapeVisible());
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143 | xml.putProperty("desc", getDescription());
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144 | xml.putProperty("unit", getUnit());
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145 | xml.putProperty("referenceSystem", getReferenceSystem());
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146 | xml.putProperty("separation", getSeparation());
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147 | XMLEntity xmlMarker = marker.getXMLEntity(); |
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148 | xmlMarker.putProperty("id", "marker"); |
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149 | xml.addChild(xmlMarker); |
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150 | setLineWidth(getLineWidth()); // not a joke;
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151 | XMLEntity xmlLineStyle = getLineStyle().getXMLEntity(); |
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152 | xmlLineStyle.putProperty("id", "lineStyle"); |
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153 | xml.addChild(xmlLineStyle); |
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154 | |||
155 | return xml;
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156 | } |
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157 | |||
158 | public void setXMLEntity(XMLEntity xml) { |
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159 | setIsShapeVisible(xml.getBooleanProperty("isShapeVisible"));
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160 | setDescription(xml.getStringProperty("desc"));
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161 | setSeparation(xml.getDoubleProperty("separation"));
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162 | setUnit(xml.getIntProperty("unit"));
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163 | setReferenceSystem(xml.getIntProperty("referenceSystem"));
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164 | marker = (IMarkerSymbol) SymbologyFactory. |
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165 | createSymbolFromXML(xml.firstChild("id", "marker"), "theMarker"); |
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166 | setLineStyle((ILineStyle) SymbologyFactory. |
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167 | createStyleFromXML(xml.firstChild("id", "lineStyle"), "theLineStyle")); |
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168 | width = getLineStyle().getLineWidth(); |
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169 | } |
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170 | /**
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171 | * Sets the separation between the marker symbols that compose the line
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172 | *
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173 | * @param separation
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174 | */
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175 | public void setSeparation(double separation) { |
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176 | this.separation = separation;
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177 | this.cartographicSeparation = separation;
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178 | } |
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179 | |||
180 | public String getClassName() { |
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181 | return getClass().getName();
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182 | } |
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183 | |||
184 | public void print(Graphics2D g, AffineTransform at, FShape shape, |
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185 | PrintRequestAttributeSet properties) throws ReadDriverException { |
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186 | // TODO Auto-generated method stub
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187 | throw new Error("Not yet implemented!"); |
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188 | } |
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189 | /**
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190 | * Returns the marker symbol that compose the line
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191 | *
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192 | * @return marker IMarkerSymbol
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193 | */
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194 | public IMarkerSymbol getMarker() {
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195 | return marker;
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196 | } |
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197 | /**
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198 | * Sets the marker symbol that compose the line
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199 | *
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200 | * @param marker IMarkerSymbol
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201 | */
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202 | public void setMarker(IMarkerSymbol marker) { |
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203 | this.marker = marker;
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204 | } |
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205 | |||
206 | @Override
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207 | public void setCartographicSize(double cartographicSize, FShape shp) { |
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208 | double oldLineWidth = getLineWidth();
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209 | super.setCartographicSize(cartographicSize, shp);
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210 | double newLineWidth = getLineWidth();
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211 | double scale = newLineWidth/oldLineWidth;
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212 | cartographicSeparation = separation * scale; |
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213 | } |
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214 | |||
215 | @Override
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216 | public void setUnit(int unitIndex) { |
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217 | super.setUnit(unitIndex);
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218 | marker.setUnit(unitIndex); |
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219 | } |
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220 | |||
221 | @Override
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222 | public void setReferenceSystem(int system) { |
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223 | super.setReferenceSystem(system);
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224 | marker.setReferenceSystem(system); |
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225 | } |
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226 | |||
227 | |||
228 | } |