svn-gvsig-desktop / trunk / libraries / libFMap / src / com / iver / cit / gvsig / fmap / core / v02 / FLabel.java @ 4123
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1 | 452 | fjp | /*
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2 | * Created on 13-jul-2004
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3 | *
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4 | * TODO To change the template for this generated file go to
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5 | * Window - Preferences - Java - Code Generation - Code and Comments
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6 | */
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7 | 1100 | fjp | /* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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8 | *
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9 | * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
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10 | *
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11 | * This program is free software; you can redistribute it and/or
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12 | * modify it under the terms of the GNU General Public License
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13 | * as published by the Free Software Foundation; either version 2
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14 | * of the License, or (at your option) any later version.
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15 | *
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16 | * This program is distributed in the hope that it will be useful,
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17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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19 | * GNU General Public License for more details.
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20 | *
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21 | * You should have received a copy of the GNU General Public License
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22 | * along with this program; if not, write to the Free Software
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23 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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24 | *
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25 | * For more information, contact:
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26 | *
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27 | * Generalitat Valenciana
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28 | * Conselleria d'Infraestructures i Transport
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29 | * Av. Blasco Ib??ez, 50
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30 | * 46010 VALENCIA
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31 | * SPAIN
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32 | *
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33 | * +34 963862235
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34 | * gvsig@gva.es
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35 | * www.gvsig.gva.es
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36 | *
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37 | * or
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38 | *
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39 | * IVER T.I. S.A
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40 | * Salamanca 50
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41 | * 46005 Valencia
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42 | * Spain
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43 | *
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44 | * +34 963163400
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45 | * dac@iver.es
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46 | */
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47 | 452 | fjp | package com.iver.cit.gvsig.fmap.core.v02; |
48 | |||
49 | import com.iver.cit.gvsig.fmap.core.FPoint2D; |
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50 | 757 | fjp | import com.iver.cit.gvsig.fmap.core.FShape; |
51 | 1005 | vcaballero | |
52 | 452 | fjp | import com.iver.utiles.XMLEntity; |
53 | 1005 | vcaballero | |
54 | 757 | fjp | import com.vividsolutions.jts.geom.Geometry; |
55 | import com.vividsolutions.jts.geom.Point; |
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56 | 452 | fjp | |
57 | 1005 | vcaballero | import org.apache.batik.ext.awt.geom.PathLength; |
58 | |||
59 | import java.awt.geom.Point2D; |
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60 | |||
61 | |||
62 | 452 | fjp | /**
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63 | 1005 | vcaballero | * Se utiliza para etiquetar. Las capas vectoriales tienen un arrayList
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64 | * (m_labels) de FLabel, un FLabel por cada registro.
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65 | *
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66 | 452 | fjp | * @author FJP
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67 | */
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68 | public class FLabel implements Cloneable { |
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69 | public final static byte LEFT_TOP = 0; |
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70 | public final static byte LEFT_CENTER = 1; |
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71 | public final static byte LEFT_BOTTOM = 2; |
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72 | public final static byte CENTER_TOP = 6; |
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73 | public final static byte CENTER_CENTER = 7; |
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74 | public final static byte CENTER_BOTTOM = 8; |
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75 | public final static byte RIGHT_TOP = 12; |
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76 | public final static byte RIGHT_CENTER = 13; |
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77 | public final static byte RIGHT_BOTTOM = 14; |
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78 | private String m_Str = null; |
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79 | private Point2D m_Orig = null; |
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80 | private double m_Height; |
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81 | 1005 | vcaballero | |
82 | 452 | fjp | /**
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83 | 1005 | vcaballero | * <code>m_rotation</code> en grados, NO en radianes. Se convierte en
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84 | * radianes al dibujar.
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85 | 452 | fjp | */
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86 | private double m_rotation; |
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87 | 1005 | vcaballero | |
88 | 452 | fjp | /**
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89 | 1005 | vcaballero | * Valores posibles para <code>m_Justification</code>: Left/Top = 0
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90 | * Center/Top = 6 Right/Top = 12 Left/Center = 1
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91 | * Center/Center = 7 Right/Center = 13 Left/Bottom = 2
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92 | * Center/Bottom = 8 Right/Bottom = 14
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93 | 452 | fjp | */
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94 | private byte m_Justification = LEFT_BOTTOM; // Por defecto |
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95 | 1005 | vcaballero | |
96 | /**
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97 | * Crea un nuevo FLabel.
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98 | */
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99 | public FLabel() {
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100 | 452 | fjp | } |
101 | 1005 | vcaballero | |
102 | /**
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103 | * Crea un nuevo FLabel.
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104 | *
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105 | * @param str DOCUMENT ME!
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106 | */
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107 | public FLabel(String str) { |
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108 | m_Str = str; |
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109 | 452 | fjp | } |
110 | 1005 | vcaballero | |
111 | /**
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112 | * Crea un nuevo FLabel.
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113 | *
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114 | * @param str
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115 | * @param pOrig
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116 | * @param heightText
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117 | * @param rotation
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118 | */
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119 | public FLabel(String str, Point2D pOrig, double heightText, double rotation) { |
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120 | 452 | fjp | m_Str = str; |
121 | m_Orig = pOrig; |
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122 | m_Height = heightText; |
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123 | m_rotation = rotation; |
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124 | } |
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125 | 1005 | vcaballero | |
126 | /**
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127 | * Introduce un nuevo FLabel al ya existente.
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128 | *
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129 | * @param label
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130 | */
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131 | public void setFLabel(FLabel label) { |
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132 | 452 | fjp | m_Str = label.m_Str; |
133 | m_Orig = label.m_Orig; |
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134 | m_Height = label.m_Height; |
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135 | m_rotation = label.m_rotation; |
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136 | } |
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137 | 1005 | vcaballero | |
138 | /**
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139 | * Clona el FLabel.
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140 | *
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141 | * @return Object clonado.
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142 | */
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143 | public Object clone() { |
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144 | return new FLabel(m_Str, m_Orig, m_Height, m_rotation); |
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145 | 452 | fjp | } |
146 | |||
147 | /**
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148 | 1005 | vcaballero | * Devuelve la altura del Label.
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149 | *
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150 | 452 | fjp | * @return Returns the m_Height.
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151 | */
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152 | public double getHeight() { |
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153 | return m_Height;
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154 | } |
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155 | 1005 | vcaballero | |
156 | 452 | fjp | /**
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157 | 1005 | vcaballero | * Devuelve el punto de origen.
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158 | *
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159 | 452 | fjp | * @return Returns the m_Orig.
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160 | */
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161 | public Point2D getOrig() { |
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162 | return m_Orig;
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163 | } |
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164 | 1005 | vcaballero | |
165 | 452 | fjp | /**
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166 | 1005 | vcaballero | * Devuelve la rotaci?n.
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167 | *
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168 | 452 | fjp | * @return Returns the m_rotation.
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169 | */
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170 | public double getRotation() { |
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171 | return m_rotation;
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172 | } |
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173 | 1005 | vcaballero | |
174 | 452 | fjp | /**
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175 | 1005 | vcaballero | * Devuelve un String con el texto del Label.
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176 | *
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177 | 452 | fjp | * @return Returns the m_Str.
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178 | */
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179 | public String getString() { |
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180 | return m_Str;
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181 | } |
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182 | 1005 | vcaballero | |
183 | 452 | fjp | /**
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184 | 1005 | vcaballero | * Introduce la altura del Label.
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185 | *
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186 | 452 | fjp | * @param height The m_Height to set.
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187 | */
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188 | public void setHeight(double height) { |
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189 | m_Height = height; |
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190 | } |
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191 | 1005 | vcaballero | |
192 | 452 | fjp | /**
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193 | 1005 | vcaballero | * Introduce el punto de origen del Label.
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194 | *
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195 | 452 | fjp | * @param orig The m_Orig to set.
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196 | */
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197 | public void setOrig(Point2D orig) { |
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198 | m_Orig = orig; |
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199 | } |
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200 | 1005 | vcaballero | |
201 | 452 | fjp | /**
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202 | 1005 | vcaballero | * Introduce la rotaci?n a aplicar al Label.
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203 | *
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204 | 452 | fjp | * @param m_rotation The m_rotation to set.
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205 | */
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206 | public void setRotation(double m_rotation) { |
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207 | this.m_rotation = m_rotation;
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208 | } |
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209 | 1005 | vcaballero | |
210 | 452 | fjp | /**
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211 | 1005 | vcaballero | * Introduce el texto del Label.
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212 | *
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213 | 452 | fjp | * @param str The m_Str to set.
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214 | */
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215 | public void setString(String str) { |
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216 | m_Str = str; |
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217 | } |
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218 | 1005 | vcaballero | |
219 | 452 | fjp | /**
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220 | 1005 | vcaballero | * Valores posibles para <code>m_Justification</code>: Left/Top = 0
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221 | * Center/Top = 6 Right/Top = 12 Left/Center = 1
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222 | * Center/Center = 7 Right/Center = 13 Left/Bottom = 2
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223 | * Center/Bottom = 8 Right/Bottom = 14
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224 | *
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225 | * @return byte.
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226 | 452 | fjp | */
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227 | public byte getJustification() { |
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228 | return m_Justification;
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229 | } |
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230 | 1005 | vcaballero | |
231 | 452 | fjp | /**
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232 | 1005 | vcaballero | * Valores posibles para <code>m_Justification</code>: Left/Top = 0
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233 | * Center/Top = 6 Right/Top = 12 Left/Center = 1
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234 | * Center/Center = 7 Right/Center = 13 Left/Bottom = 2
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235 | * Center/Bottom = 8 Right/Bottom = 14
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236 | *
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237 | * @param justification byte
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238 | 452 | fjp | */
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239 | public void setJustification(byte justification) { |
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240 | m_Justification = justification; |
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241 | } |
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242 | 1005 | vcaballero | |
243 | 452 | fjp | /**
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244 | 1005 | vcaballero | * Devuelve un Objeto XMLEntity con la informaci?n los atributos necesarios
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245 | * para poder despu?s volver a crear el objeto original.
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246 | *
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247 | * @return XMLEntity.
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248 | */
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249 | public XMLEntity getXMLEntity() {
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250 | XMLEntity xml = new XMLEntity();
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251 | 1094 | vcaballero | xml.putProperty("className",this.getClass().getName()); |
252 | 1005 | vcaballero | xml.setName("flabel");
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253 | xml.putProperty("m_Height", m_Height);
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254 | xml.putProperty("m_Justification", (int) m_Justification); |
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255 | xml.putProperty("m_OrigX", m_Orig.getX());
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256 | xml.putProperty("m_OrigY", m_Orig.getY());
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257 | xml.putProperty("m_rotation", m_rotation);
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258 | xml.putProperty("m_Str", m_Str);
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259 | 452 | fjp | |
260 | 1005 | vcaballero | return xml;
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261 | } |
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262 | 452 | fjp | |
263 | 1005 | vcaballero | /**
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264 | * Crea un Objeto de esta clase a partir de la informaci?n del XMLEntity.
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265 | *
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266 | * @param xml XMLEntity
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267 | *
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268 | * @return Objeto de esta clase.
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269 | */
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270 | public static FLabel createFLabel(XMLEntity xml) { |
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271 | FLabel label = new FLabel();
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272 | label.setHeight(xml.getDoubleProperty("m_Height"));
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273 | label.setJustification((byte) xml.getIntProperty("m_Justification")); |
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274 | label.setOrig(new Point2D.Double(xml.getDoubleProperty("m_OrigX"), |
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275 | xml.getDoubleProperty("m_OrigY")));
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276 | label.setString("m_Str");
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277 | 757 | fjp | |
278 | 1005 | vcaballero | return label;
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279 | } |
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280 | |||
281 | /**
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282 | * M?todo est?tico que crea un FLabel a partir de un FShape.
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283 | *
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284 | * @param shp FShape.
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285 | *
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286 | * @return nuevo FLabel creado.
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287 | */
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288 | public static FLabel createFLabel(FShape shp) { |
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289 | float angle;
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290 | float x;
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291 | float y;
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292 | Point2D pAux = null; |
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293 | |||
294 | FLabel label = new FLabel();
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295 | |||
296 | switch (shp.getShapeType()) {
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297 | case FShape.POINT:
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298 | 2354 | fjp | case FShape.POINT + FShape.Z:
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299 | 1005 | vcaballero | pAux = new Point2D.Double(((FPoint2D) shp).getX(), |
300 | ((FPoint2D) shp).getY()); |
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301 | label.setOrig(pAux); |
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302 | |||
303 | break;
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304 | |||
305 | case FShape.LINE:
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306 | 2354 | fjp | case FShape.LINE + FShape.Z:
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307 | 1005 | vcaballero | PathLength pathLen = new PathLength(shp);
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308 | |||
309 | // if (pathLen.lengthOfPath() < width / mT.getScaleX()) return;
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310 | float midDistance = pathLen.lengthOfPath() / 2; |
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311 | pAux = pathLen.pointAtLength(midDistance); |
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312 | angle = pathLen.angleAtLength(midDistance); |
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313 | |||
314 | if (angle < 0) { |
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315 | angle = angle + (float) (2 * Math.PI); |
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316 | } |
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317 | |||
318 | if ((angle > (Math.PI / 2)) && (angle < ((3 * Math.PI) / 2))) { |
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319 | angle = angle - (float) Math.PI; |
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320 | } |
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321 | |||
322 | label.setRotation(Math.toDegrees(angle));
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323 | label.setOrig(pAux); |
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324 | |||
325 | break;
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326 | |||
327 | case FShape.POLYGON:
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328 | 2354 | fjp | case FShape.POLYGON + FShape.Z:
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329 | 1005 | vcaballero | Geometry geo = FConverter.java2d_to_jts(shp); |
330 | |||
331 | if (geo == null) { |
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332 | return null; |
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333 | } |
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334 | |||
335 | Point pJTS = geo.getCentroid();
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336 | |||
337 | if (pJTS == null) { |
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338 | label = null;
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339 | } else {
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340 | FShape pLabel = FConverter.jts_to_java2d(pJTS); |
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341 | label.setRotation(0);
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342 | label.setOrig(new Point2D.Double( |
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343 | ((FPoint2D) pLabel).getX(), |
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344 | ((FPoint2D) pLabel).getY())); |
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345 | } |
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346 | |||
347 | break;
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348 | } // switch
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349 | |||
350 | return label;
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351 | } |
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352 | 452 | fjp | } |