root / trunk / libraries / libFMap / src / com / iver / cit / gvsig / fmap / core / FPolyline2D.java @ 3051
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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 | 2196 | vcaballero | import org.cresques.cts.ICoordTrans; |
44 | |||
45 | 2859 | fjp | import com.iver.cit.gvsig.fmap.core.v02.FConverter; |
46 | |||
47 | 305 | fjp | import java.awt.Rectangle; |
48 | import java.awt.geom.AffineTransform; |
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49 | 2183 | fernando | import java.awt.geom.PathIterator; |
50 | 2196 | vcaballero | import java.awt.geom.Line2D; |
51 | 305 | fjp | import java.awt.geom.Point2D; |
52 | 267 | fjp | import java.awt.geom.Rectangle2D; |
53 | 1132 | vcaballero | import java.util.ArrayList; |
54 | 885 | fjp | |
55 | 262 | fjp | |
56 | 885 | fjp | /**
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57 | * DOCUMENT ME!
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58 | *
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59 | * @author Fernando Gonz?lez Cort?s
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60 | */
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61 | 2196 | vcaballero | public class FPolyline2D implements FShape { |
62 | 262 | fjp | protected GeneralPathX gp;
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63 | 885 | fjp | /**
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64 | * Crea un nuevo FPolyline2D.
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65 | *
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66 | 1005 | vcaballero | * @param gpx GeneralPathX.
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67 | 885 | fjp | */
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68 | 266 | fjp | public FPolyline2D(GeneralPathX gpx) {
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69 | 262 | fjp | gp = gpx; |
70 | } |
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71 | |||
72 | 305 | fjp | /* (non-Javadoc)
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73 | * @see java.awt.Shape#contains(double, double)
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74 | 262 | fjp | */
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75 | 305 | fjp | public boolean contains(double x, double y) { |
76 | 885 | fjp | return gp.contains(x, y);
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77 | 262 | fjp | } |
78 | |||
79 | 305 | fjp | /* (non-Javadoc)
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80 | * @see java.awt.Shape#contains(double, double, double, double)
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81 | */
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82 | public boolean contains(double x, double y, double w, double h) { |
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83 | 885 | fjp | return gp.contains(x, y, w, h);
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84 | 305 | fjp | } |
85 | 262 | fjp | |
86 | 305 | fjp | /* (non-Javadoc)
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87 | * @see java.awt.Shape#intersects(double, double, double, double)
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88 | */
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89 | public boolean intersects(double x, double y, double w, double h) { |
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90 | 1298 | fjp | // M?s r?pido
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91 | 885 | fjp | return gp.intersects(x, y, w, h);
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92 | 305 | fjp | } |
93 | 262 | fjp | |
94 | 305 | fjp | /* (non-Javadoc)
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95 | * @see java.awt.Shape#getBounds()
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96 | 262 | fjp | */
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97 | 305 | fjp | public Rectangle getBounds() { |
98 | return gp.getBounds();
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99 | 262 | fjp | } |
100 | |||
101 | 305 | fjp | /* (non-Javadoc)
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102 | * @see java.awt.Shape#contains(java.awt.geom.Point2D)
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103 | 262 | fjp | */
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104 | 305 | fjp | public boolean contains(Point2D p) { |
105 | return gp.contains(p);
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106 | 262 | fjp | } |
107 | |||
108 | 267 | fjp | /* (non-Javadoc)
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109 | 305 | fjp | * @see java.awt.Shape#getBounds2D()
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110 | 267 | fjp | */
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111 | 305 | fjp | public Rectangle2D getBounds2D() { |
112 | return gp.getBounds2D();
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113 | } |
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114 | |||
115 | /* (non-Javadoc)
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116 | * @see java.awt.Shape#contains(java.awt.geom.Rectangle2D)
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117 | */
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118 | public boolean contains(Rectangle2D r) { |
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119 | return gp.contains(r);
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120 | } |
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121 | |||
122 | 790 | jmorell | /**
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123 | 885 | fjp | * El m?todo intersects de java.awt.Shape que define la intersecci?n entre
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124 | * una polil?nea y un Rectangle2D considera la polil?nea como un Shape
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125 | * gen?rico y se producen errores en la selecci?n de polil?neas. Por este
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126 | * motivo se ha modificado este m?todo intersect() de FPolyline2D para que
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127 | * realize la intersecci?n estricta entre el Rectangle2D y la polil?nea en
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128 | * cuesti?n. El precio es un incremento de tiempo m?ximo del 50%.
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129 | *
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130 | 1005 | vcaballero | * @param r Rect?ngulo.
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131 | 885 | fjp | *
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132 | 1005 | vcaballero | * @return True si intersecta con el rectangulo que se pasa como par?metro.
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133 | 305 | fjp | */
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134 | 267 | fjp | public boolean intersects(Rectangle2D r) { |
135 | 1296 | jmorell | //return gp.intersects(r);
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136 | 1298 | fjp | // M?s exacto
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137 | 1296 | jmorell | boolean bool = false; |
138 | 885 | fjp | if (gp.intersects(r)) {
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139 | ArrayList arrayCoords;
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140 | int theType;
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141 | //Use this array to store segment coordinate data
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142 | double[] theData = new double[6]; |
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143 | PathIterator theIterator;
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144 | |||
145 | Point2D p1 = new Point2D.Double(r.getMinX(),r.getMinY()); |
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146 | Point2D p2 = new Point2D.Double(r.getMinX(),r.getMaxY()); |
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147 | Point2D p3 = new Point2D.Double(r.getMaxX(),r.getMaxY()); |
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148 | Point2D p4 = new Point2D.Double(r.getMaxX(),r.getMinY()); |
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149 | Line2D l1 = new Line2D.Double(p1,p2); |
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150 | Line2D l2 = new Line2D.Double(p2,p3); |
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151 | Line2D l3 = new Line2D.Double(p3,p4); |
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152 | Line2D l4 = new Line2D.Double(p4,p1); |
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153 | |||
154 | theIterator = this.getPathIterator(null); |
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155 | arrayCoords = new ArrayList(); |
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156 | while(!theIterator.isDone()) {
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157 | theType = theIterator.currentSegment(theData); |
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158 | if (theType==PathIterator.SEG_MOVETO) { |
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159 | arrayCoords.add(new Point2D.Double(theData[0], theData[1])); |
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160 | } else if (theType==PathIterator.SEG_LINETO) { |
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161 | arrayCoords.add(new Point2D.Double(theData[0], theData[1])); |
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162 | Point2D pAnt = (Point2D)arrayCoords.get(arrayCoords.size()-2); |
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163 | Line2D l = new Line2D.Double(pAnt.getX(),pAnt.getY(),theData[0],theData[1]); |
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164 | if (l.intersectsLine(l1.getX1(),l1.getY1(),l1.getX2(),l1.getY2())
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165 | || l.intersectsLine(l2.getX1(),l2.getY1(),l2.getX2(),l2.getY2()) |
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166 | || l.intersectsLine(l3.getX1(),l3.getY1(),l3.getX2(),l3.getY2()) |
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167 | || l.intersectsLine(l4.getX1(),l4.getY1(),l4.getX2(),l4.getY2()) |
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168 | || r.intersectsLine(l)) { |
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169 | bool = true;
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170 | } |
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171 | } else {
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172 | System.out.println("Not supported here"); |
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173 | } |
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174 | theIterator.next(); |
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175 | } |
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176 | } |
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177 | 1296 | jmorell | return bool;
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178 | 267 | fjp | } |
179 | |||
180 | /* (non-Javadoc)
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181 | 305 | fjp | * @see java.awt.Shape#getPathIterator(java.awt.geom.AffineTransform)
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182 | 267 | fjp | */
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183 | 305 | fjp | public PathIterator getPathIterator(AffineTransform at) { |
184 | return gp.getPathIterator(at);
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185 | 267 | fjp | } |
186 | |||
187 | 305 | fjp | /* (non-Javadoc)
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188 | * @see java.awt.Shape#getPathIterator(java.awt.geom.AffineTransform, double)
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189 | */
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190 | public PathIterator getPathIterator(AffineTransform at, double flatness) { |
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191 | 885 | fjp | return gp.getPathIterator(at, flatness);
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192 | 305 | fjp | } |
193 | |||
194 | 885 | fjp | /**
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195 | * DOCUMENT ME!
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196 | *
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197 | * @param at DOCUMENT ME!
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198 | */
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199 | public void transform(AffineTransform at) { |
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200 | 2859 | fjp | |
201 | // TODO: PRUEBA. BORRAR ESTA LINEA
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202 | // gp = FConverter.transformToInts(gp, at);
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203 | |||
204 | 305 | fjp | gp.transform(at); |
205 | } |
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206 | |||
207 | 324 | fernando | /**
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208 | * @see com.iver.cit.gvsig.fmap.core.FShape#getShapeType()
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209 | */
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210 | public int getShapeType() { |
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211 | return FShape.LINE;
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212 | } |
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213 | |||
214 | 703 | fjp | /* (non-Javadoc)
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215 | * @see com.iver.cit.gvsig.fmap.core.FShape#cloneFShape()
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216 | */
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217 | public FShape cloneFShape() {
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218 | return new FPolyline2D((GeneralPathX) gp.clone()); |
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219 | } |
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220 | |||
221 | 885 | fjp | /* (non-Javadoc)
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222 | * @see com.iver.cit.gvsig.fmap.core.FShape#reProject(org.cresques.cts.ICoordTrans)
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223 | */
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224 | public void reProject(ICoordTrans ct) { |
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225 | gp.reProject(ct); |
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226 | } |
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227 | 1132 | vcaballero | |
228 | 262 | fjp | } |