root / trunk / libraries / libDXF / src / org / cresques / px / gml / Geometry.java @ 13047
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1 | 13047 | caballero | /*
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2 | * Cresques Mapping Suite. Graphic Library for constructing mapping applications.
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3 | *
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4 | * Copyright (C) 2004-5.
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5 | *
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6 | * This program is free software; you can redistribute it and/or
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7 | * modify it under the terms of the GNU General Public License
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8 | * as published by the Free Software Foundation; either version 2
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9 | * of the License, or (at your option) any later version.
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10 | *
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11 | * This program is distributed in the hope that it will be useful,
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12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 | * GNU General Public License for more details.
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15 | *
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16 | * You should have received a copy of the GNU General Public License
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17 | * along with this program; if not, write to the Free Software
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18 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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19 | *
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20 | * For more information, contact:
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21 | *
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22 | * cresques@gmail.com
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23 | */
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24 | package org.cresques.px.gml; |
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25 | |||
26 | import org.cresques.cts.ICoordTrans; |
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27 | import org.cresques.cts.IProjection; |
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28 | |||
29 | import org.cresques.geo.Projected; |
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30 | import org.cresques.geo.ViewPortData; |
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31 | |||
32 | import org.cresques.px.Extent; |
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33 | import org.cresques.px.PxObj; |
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34 | |||
35 | import java.awt.Graphics2D; |
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36 | import java.awt.geom.Point2D; |
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37 | |||
38 | import java.util.Vector; |
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39 | |||
40 | |||
41 | /**
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42 | * Clase base para geometr?as.
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43 | * @author "Luis W. Sevilla" <sevilla_lui@gva.es>
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44 | */
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45 | abstract public class Geometry extends PxObj implements Projected { |
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46 | protected IProjection proj;
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47 | |||
48 | // protected Extent extent = null;
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49 | Vector data = null; |
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50 | |||
51 | /**
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52 | * Constructor de Geometry.
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53 | */
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54 | public Geometry() {
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55 | extent = new Extent();
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56 | data = new Vector(); |
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57 | } |
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58 | |||
59 | /**
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60 | * Permite a?adir un punto a la Geometry.
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61 | * @param pt
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62 | */
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63 | public void add(Point2D pt) { |
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64 | extent.add(pt); |
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65 | data.add(pt); |
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66 | } |
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67 | |||
68 | /**
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69 | * Devuelve un punto de la Geometry dado por su ?ndice.
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70 | * @param i, ?ndice.
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71 | * @return Point2D.
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72 | */
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73 | public Point2D get(int i) { |
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74 | return (Point2D) data.get(i); |
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75 | } |
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76 | |||
77 | /**
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78 | * Devuelve el n?mero de puntos que componen la Geometry.
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79 | * @return int
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80 | */
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81 | public int pointNr() { |
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82 | return data.size();
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83 | } |
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84 | |||
85 | /**
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86 | * Devuelve el conjunto de objetos que conforman la Geometry en forma de Vector.
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87 | * @return Vector de objetos.
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88 | */
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89 | public Vector getData() { |
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90 | return data;
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91 | } |
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92 | |||
93 | /**
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94 | * Devuelve el extent de la Geometry.
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95 | * @return Extent, el rect?ngulo que contiene la Geometry.
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96 | */
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97 | public Extent getExtent() {
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98 | return extent;
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99 | } |
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100 | |||
101 | /**
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102 | * Devuelve la proyecci?n cartogr?fica en la que se encuentra la Geometry.
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103 | * @return IProjection, la proyecci?n cartogr?fica.
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104 | */
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105 | abstract public IProjection getProjection(); |
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106 | |||
107 | /**
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108 | * Permite reproyectar la Geometry en funci?n de unas coordenadas de transformaci?n.
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109 | * @param rp, Coordenadas de transformaci?n.
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110 | */
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111 | abstract public void reProject(ICoordTrans rp); |
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112 | |||
113 | /**
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114 | * Permite dibujar la Geometry.
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115 | * @param g, Graphics2D.
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116 | * @param vp, ViewPortData.
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117 | */
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118 | public void draw(Graphics2D g, ViewPortData vp) { |
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119 | } |
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120 | } |