root / trunk / libraries / libFMap / src / com / iver / cit / gvsig / fmap / core / FPolyline2D.java @ 11139
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1 | 1100 | fjp | /* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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2 | *
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3 | * Copyright (C) 2004 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 | 262 | fjp | package com.iver.cit.gvsig.fmap.core; |
42 | |||
43 | 305 | fjp | import java.awt.Rectangle; |
44 | import java.awt.geom.AffineTransform; |
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45 | 2196 | vcaballero | import java.awt.geom.Line2D; |
46 | 10627 | caballero | import java.awt.geom.PathIterator; |
47 | 305 | fjp | import java.awt.geom.Point2D; |
48 | 267 | fjp | import java.awt.geom.Rectangle2D; |
49 | 1132 | vcaballero | import java.util.ArrayList; |
50 | 885 | fjp | |
51 | 10627 | caballero | import org.cresques.cts.ICoordTrans; |
52 | 262 | fjp | |
53 | 10627 | caballero | |
54 | 885 | fjp | /**
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55 | * DOCUMENT ME!
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56 | *
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57 | * @author Fernando Gonz?lez Cort?s
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58 | */
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59 | 2196 | vcaballero | public class FPolyline2D implements FShape { |
60 | 262 | fjp | protected GeneralPathX gp;
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61 | 885 | fjp | /**
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62 | * Crea un nuevo FPolyline2D.
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63 | *
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64 | 1005 | vcaballero | * @param gpx GeneralPathX.
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65 | 885 | fjp | */
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66 | 266 | fjp | public FPolyline2D(GeneralPathX gpx) {
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67 | 262 | fjp | gp = gpx; |
68 | } |
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69 | |||
70 | 305 | fjp | /* (non-Javadoc)
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71 | * @see java.awt.Shape#contains(double, double)
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72 | 262 | fjp | */
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73 | 305 | fjp | public boolean contains(double x, double y) { |
74 | 885 | fjp | return gp.contains(x, y);
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75 | 262 | fjp | } |
76 | |||
77 | 305 | fjp | /* (non-Javadoc)
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78 | * @see java.awt.Shape#contains(double, double, double, double)
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79 | */
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80 | public boolean contains(double x, double y, double w, double h) { |
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81 | 885 | fjp | return gp.contains(x, y, w, h);
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82 | 305 | fjp | } |
83 | 262 | fjp | |
84 | 305 | fjp | /* (non-Javadoc)
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85 | * @see java.awt.Shape#intersects(double, double, double, double)
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86 | */
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87 | public boolean intersects(double x, double y, double w, double h) { |
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88 | 1298 | fjp | // M?s r?pido
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89 | 885 | fjp | return gp.intersects(x, y, w, h);
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90 | 305 | fjp | } |
91 | 262 | fjp | |
92 | 305 | fjp | /* (non-Javadoc)
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93 | * @see java.awt.Shape#getBounds()
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94 | 262 | fjp | */
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95 | 305 | fjp | public Rectangle getBounds() { |
96 | return gp.getBounds();
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97 | 262 | fjp | } |
98 | |||
99 | 305 | fjp | /* (non-Javadoc)
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100 | * @see java.awt.Shape#contains(java.awt.geom.Point2D)
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101 | 262 | fjp | */
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102 | 305 | fjp | public boolean contains(Point2D p) { |
103 | return gp.contains(p);
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104 | 262 | fjp | } |
105 | |||
106 | 267 | fjp | /* (non-Javadoc)
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107 | 305 | fjp | * @see java.awt.Shape#getBounds2D()
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108 | 267 | fjp | */
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109 | 305 | fjp | public Rectangle2D getBounds2D() { |
110 | return gp.getBounds2D();
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111 | } |
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112 | |||
113 | /* (non-Javadoc)
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114 | * @see java.awt.Shape#contains(java.awt.geom.Rectangle2D)
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115 | */
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116 | public boolean contains(Rectangle2D r) { |
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117 | return gp.contains(r);
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118 | } |
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119 | |||
120 | 790 | jmorell | /**
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121 | 885 | fjp | * El m?todo intersects de java.awt.Shape que define la intersecci?n entre
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122 | * una polil?nea y un Rectangle2D considera la polil?nea como un Shape
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123 | * gen?rico y se producen errores en la selecci?n de polil?neas. Por este
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124 | * motivo se ha modificado este m?todo intersect() de FPolyline2D para que
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125 | * realize la intersecci?n estricta entre el Rectangle2D y la polil?nea en
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126 | * cuesti?n. El precio es un incremento de tiempo m?ximo del 50%.
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127 | *
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128 | 1005 | vcaballero | * @param r Rect?ngulo.
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129 | 885 | fjp | *
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130 | 1005 | vcaballero | * @return True si intersecta con el rectangulo que se pasa como par?metro.
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131 | 305 | fjp | */
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132 | 267 | fjp | public boolean intersects(Rectangle2D r) { |
133 | 1296 | jmorell | //return gp.intersects(r);
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134 | 1298 | fjp | // M?s exacto
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135 | 1296 | jmorell | boolean bool = false; |
136 | 885 | fjp | if (gp.intersects(r)) {
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137 | ArrayList arrayCoords;
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138 | int theType;
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139 | //Use this array to store segment coordinate data
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140 | double[] theData = new double[6]; |
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141 | PathIterator theIterator;
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142 | 3833 | caballero | |
143 | 885 | fjp | Point2D p1 = new Point2D.Double(r.getMinX(),r.getMinY()); |
144 | Point2D p2 = new Point2D.Double(r.getMinX(),r.getMaxY()); |
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145 | Point2D p3 = new Point2D.Double(r.getMaxX(),r.getMaxY()); |
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146 | Point2D p4 = new Point2D.Double(r.getMaxX(),r.getMinY()); |
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147 | Line2D l1 = new Line2D.Double(p1,p2); |
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148 | Line2D l2 = new Line2D.Double(p2,p3); |
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149 | Line2D l3 = new Line2D.Double(p3,p4); |
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150 | Line2D l4 = new Line2D.Double(p4,p1); |
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151 | 3833 | caballero | |
152 | 885 | fjp | theIterator = this.getPathIterator(null); |
153 | arrayCoords = new ArrayList(); |
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154 | 4846 | caballero | while(!theIterator.isDone()) {
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155 | 885 | fjp | theType = theIterator.currentSegment(theData); |
156 | if (theType==PathIterator.SEG_MOVETO) { |
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157 | arrayCoords.add(new Point2D.Double(theData[0], theData[1])); |
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158 | } else if (theType==PathIterator.SEG_LINETO) { |
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159 | arrayCoords.add(new Point2D.Double(theData[0], theData[1])); |
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160 | Point2D pAnt = (Point2D)arrayCoords.get(arrayCoords.size()-2); |
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161 | Line2D l = new Line2D.Double(pAnt.getX(),pAnt.getY(),theData[0],theData[1]); |
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162 | if (l.intersectsLine(l1.getX1(),l1.getY1(),l1.getX2(),l1.getY2())
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163 | || l.intersectsLine(l2.getX1(),l2.getY1(),l2.getX2(),l2.getY2()) |
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164 | || l.intersectsLine(l3.getX1(),l3.getY1(),l3.getX2(),l3.getY2()) |
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165 | || l.intersectsLine(l4.getX1(),l4.getY1(),l4.getX2(),l4.getY2()) |
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166 | || r.intersectsLine(l)) { |
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167 | bool = true;
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168 | } |
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169 | 4846 | caballero | } else if(theType==PathIterator.SEG_CLOSE){ |
170 | Point2D firstPoint=(Point2D)arrayCoords.get(0); |
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171 | Point2D pAnt = (Point2D)arrayCoords.get(arrayCoords.size()-1); |
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172 | Line2D l = new Line2D.Double(pAnt.getX(),pAnt.getY(),firstPoint.getX(),firstPoint.getY()); |
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173 | if (l.intersectsLine(l1.getX1(),l1.getY1(),l1.getX2(),l1.getY2())
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174 | || l.intersectsLine(l2.getX1(),l2.getY1(),l2.getX2(),l2.getY2()) |
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175 | || l.intersectsLine(l3.getX1(),l3.getY1(),l3.getX2(),l3.getY2()) |
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176 | || l.intersectsLine(l4.getX1(),l4.getY1(),l4.getX2(),l4.getY2()) |
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177 | || r.intersectsLine(l)) { |
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178 | bool = true;
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179 | } |
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180 | }else {
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181 | 885 | fjp | System.out.println("Not supported here"); |
182 | } |
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183 | theIterator.next(); |
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184 | } |
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185 | } |
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186 | 1296 | jmorell | return bool;
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187 | 267 | fjp | } |
188 | |||
189 | /* (non-Javadoc)
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190 | 305 | fjp | * @see java.awt.Shape#getPathIterator(java.awt.geom.AffineTransform)
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191 | 267 | fjp | */
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192 | 305 | fjp | public PathIterator getPathIterator(AffineTransform at) { |
193 | return gp.getPathIterator(at);
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194 | 267 | fjp | } |
195 | |||
196 | 305 | fjp | /* (non-Javadoc)
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197 | * @see java.awt.Shape#getPathIterator(java.awt.geom.AffineTransform, double)
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198 | */
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199 | public PathIterator getPathIterator(AffineTransform at, double flatness) { |
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200 | 885 | fjp | return gp.getPathIterator(at, flatness);
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201 | 305 | fjp | } |
202 | |||
203 | 885 | fjp | /**
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204 | * DOCUMENT ME!
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205 | *
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206 | * @param at DOCUMENT ME!
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207 | */
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208 | public void transform(AffineTransform at) { |
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209 | 3833 | caballero | |
210 | 2859 | fjp | // TODO: PRUEBA. BORRAR ESTA LINEA
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211 | // gp = FConverter.transformToInts(gp, at);
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212 | 3833 | caballero | |
213 | 305 | fjp | gp.transform(at); |
214 | } |
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215 | |||
216 | 324 | fernando | /**
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217 | * @see com.iver.cit.gvsig.fmap.core.FShape#getShapeType()
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218 | */
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219 | public int getShapeType() { |
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220 | return FShape.LINE;
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221 | } |
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222 | |||
223 | 703 | fjp | /* (non-Javadoc)
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224 | * @see com.iver.cit.gvsig.fmap.core.FShape#cloneFShape()
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225 | */
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226 | public FShape cloneFShape() {
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227 | return new FPolyline2D((GeneralPathX) gp.clone()); |
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228 | } |
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229 | |||
230 | 885 | fjp | /* (non-Javadoc)
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231 | * @see com.iver.cit.gvsig.fmap.core.FShape#reProject(org.cresques.cts.ICoordTrans)
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232 | */
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233 | public void reProject(ICoordTrans ct) { |
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234 | gp.reProject(ct); |
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235 | } |
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236 | 3833 | caballero | |
237 | /* (non-Javadoc)
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238 | * @see com.iver.cit.gvsig.fmap.core.FShape#getStretchingHandlers()
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239 | */
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240 | public Handler[] getStretchingHandlers() { |
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241 | ArrayList handlers = new ArrayList(); |
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242 | GeneralPathXIterator gpi = null;
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243 | gpi = (GeneralPathXIterator) getPathIterator(null);
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244 | |||
245 | double[] theData = new double[6]; |
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246 | int i=0; |
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247 | while (!gpi.isDone()) {
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248 | int theType = gpi.currentSegment(theData);
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249 | //g.fillRect((int)(theData[0]-3),(int)(theData[1]-3),6,6);
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250 | handlers.add(new PointHandler(i,theData[0], theData[1])); |
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251 | i++; |
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252 | gpi.next(); |
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253 | } |
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254 | |||
255 | return (Handler[]) handlers.toArray(new Handler[0]); |
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256 | } |
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257 | |||
258 | /* (non-Javadoc)
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259 | * @see com.iver.cit.gvsig.fmap.core.FShape#getSelectHandlers()
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260 | */
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261 | public Handler[] getSelectHandlers() { |
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262 | ArrayList handlers = new ArrayList(); |
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263 | GeneralPathXIterator gpi = null;
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264 | gpi = (GeneralPathXIterator) getPathIterator(null);
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265 | |||
266 | double[] theData = new double[6]; |
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267 | int i=0; |
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268 | 4120 | caballero | boolean isFirst=true; |
269 | 3833 | caballero | while (!gpi.isDone()) {
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270 | int theType = gpi.currentSegment(theData);
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271 | //g.fillRect((int)(theData[0]-3),(int)(theData[1]-3),6,6);
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272 | 4135 | fjp | /* if (!(this instanceof FPolygon2D && isFirst)){
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273 | 4120 | caballero | handlers.add(new PointSelHandler(i,theData[0], theData[1]));
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274 | i++;
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275 | }
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276 | 4135 | fjp | isFirst=false; */
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277 | switch (theType)
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278 | { |
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279 | case GeneralPathXIterator.SEG_MOVETO:
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280 | handlers.add(new PointSelHandler(i++,theData[0], theData[1])); |
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281 | break;
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282 | case GeneralPathXIterator.SEG_LINETO:
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283 | handlers.add(new PointSelHandler(i++,theData[0], theData[1])); |
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284 | break;
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285 | case GeneralPathXIterator.SEG_CLOSE:
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286 | break;
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287 | case GeneralPathXIterator.SEG_QUADTO:
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288 | handlers.add(new PointSelHandler(i++,theData[0], theData[1])); |
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289 | 4846 | caballero | handlers.add(new PointSelHandler(i++,theData[2], theData[3])); |
290 | 4135 | fjp | break;
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291 | case GeneralPathXIterator.SEG_CUBICTO:
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292 | handlers.add(new PointSelHandler(i++,theData[0], theData[1])); |
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293 | handlers.add(new PointSelHandler(i++,theData[2], theData[3])); |
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294 | handlers.add(new PointSelHandler(i++,theData[4], theData[5])); |
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295 | break;
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296 | 4846 | caballero | |
297 | 4135 | fjp | } |
298 | 3833 | caballero | gpi.next(); |
299 | 4120 | caballero | |
300 | |||
301 | 3833 | caballero | } |
302 | |||
303 | return (Handler[]) handlers.toArray(new Handler[0]); |
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304 | } |
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305 | /**
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306 | * DOCUMENT ME!
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307 | *
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308 | * @author Vicente Caballero Navarro
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309 | */
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310 | 8949 | caballero | class PointHandler extends AbstractHandler implements IFinalHandler{ |
311 | 3833 | caballero | /**
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312 | * Crea un nuevo PointHandler.
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313 | *
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314 | * @param x DOCUMENT ME!
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315 | * @param y DOCUMENT ME!
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316 | */
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317 | public PointHandler(int i,double x, double y) { |
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318 | point = new Point2D.Double(x, y); |
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319 | index=i; |
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320 | } |
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321 | |||
322 | /**
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323 | * DOCUMENT ME!
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324 | *
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325 | * @param x DOCUMENT ME!
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326 | * @param y DOCUMENT ME!
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327 | *
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328 | * @return DOCUMENT ME!
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329 | */
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330 | public void move(double x, double y) { |
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331 | gp.pointCoords[index*2]+=x;
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332 | gp.pointCoords[index*2+1]+=y; |
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333 | } |
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334 | |||
335 | /**
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336 | * @see com.iver.cit.gvsig.fmap.core.Handler#set(double, double)
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337 | */
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338 | public void set(double x, double y) { |
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339 | gp.pointCoords[index*2]=x;
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340 | gp.pointCoords[index*2+1]=y; |
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341 | } |
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342 | } |
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343 | /**
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344 | * DOCUMENT ME!
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345 | *
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346 | * @author Vicente Caballero Navarro
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347 | */
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348 | 8949 | caballero | class PointSelHandler extends AbstractHandler implements IFinalHandler{ |
349 | 3833 | caballero | /**
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350 | * Crea un nuevo PointHandler.
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351 | *
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352 | * @param x DOCUMENT ME!
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353 | * @param y DOCUMENT ME!
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354 | */
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355 | public PointSelHandler(int i,double x, double y) { |
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356 | point = new Point2D.Double(x, y); |
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357 | index=i; |
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358 | } |
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359 | |||
360 | /**
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361 | * DOCUMENT ME!
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362 | *
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363 | * @param x DOCUMENT ME!
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364 | * @param y DOCUMENT ME!
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365 | *
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366 | * @return DOCUMENT ME!
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367 | */
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368 | public void move(double x, double y) { |
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369 | gp.pointCoords[index*2]+=x;
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370 | gp.pointCoords[index*2+1]+=y; |
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371 | } |
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372 | |||
373 | /**
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374 | * @see com.iver.cit.gvsig.fmap.core.Handler#set(double, double)
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375 | */
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376 | public void set(double x, double y) { |
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377 | gp.pointCoords[index*2]=x;
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378 | gp.pointCoords[index*2+1]=y; |
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379 | } |
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380 | } |
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381 | 262 | fjp | } |