root / trunk / libraries / libDXF / src / org / cresques / px / dxf / DxfArc.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.dxf; |
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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.ViewPortData; |
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30 | |||
31 | import org.cresques.io.DxfGroup; |
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32 | |||
33 | import org.cresques.px.Extent; |
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34 | |||
35 | import java.awt.Color; |
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36 | import java.awt.Graphics2D; |
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37 | import java.awt.geom.GeneralPath; |
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38 | import java.awt.geom.Point2D; |
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39 | |||
40 | |||
41 | /**
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42 | * Entidad ARC de un fichero DXF.
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43 | * @author "Luis W. Sevilla" <sevilla_lui@gva.es>
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44 | * @author jmorell
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45 | */
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46 | public class DxfArc extends DxfEntity { |
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47 | final static Color baseColor = new Color(69, 106, 121); |
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48 | |||
49 | //Vector points = null;
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50 | Point2D[] pts; |
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51 | GeneralPath gp = null; |
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52 | boolean closed = false; |
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53 | private Point2D centralPoint; |
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54 | private Point2D init; |
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55 | private Point2D end; |
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56 | private Point2D center; |
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57 | private double radius; |
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58 | private double initAngle; |
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59 | private double endAngle; |
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60 | private Color color = baseColor; //Color(255,214,132,255); |
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61 | |||
62 | /**
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63 | * Constructor de DxfArc.
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64 | * @param proj, proyecci?n cartogr?fica en la que se encuentra el DxfArc.
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65 | * @param layer, capa del DXF en la que se encuentra el DxfArc.
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66 | * @param pts, puntos 2D que componen el DxfArc.
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67 | */
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68 | public DxfArc(IProjection proj, DxfLayer layer, Point2D[] pts) { |
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69 | super(proj, layer);
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70 | this.pts = pts;
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71 | extent = new Extent();
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72 | |||
73 | for (int i = 0; i < pts.length; i++) { |
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74 | extent.add(pts[i]); |
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75 | } |
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76 | } |
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77 | |||
78 | /**
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79 | * Devuelve el color del DxfArc.
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80 | * @return Color
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81 | */
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82 | public Color c() { |
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83 | return color;
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84 | } |
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85 | |||
86 | /**
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87 | * Establece el color del DxfArc.
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88 | * @param color
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89 | * @return Color
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90 | */
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91 | public Color c(Color color) { |
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92 | this.color = color;
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93 | |||
94 | return color;
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95 | } |
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96 | |||
97 | /**
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98 | * Permite reproyectar un DxfArc dado un conjunto de coordenadas de transformaci?n.
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99 | * @param rp, coordenadas de transformaci?n.
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100 | */
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101 | public void reProject(ICoordTrans rp) { |
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102 | Point2D[] savePts = pts; |
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103 | |||
104 | pts = new Point2D[savePts.length]; |
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105 | extent = new Extent();
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106 | |||
107 | Point2D ptDest = null; |
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108 | |||
109 | for (int i = 0; i < savePts.length; i++) { |
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110 | ptDest = rp.getPDest().createPoint(0.0, 0.0); |
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111 | ptDest = rp.convert((Point2D) savePts[i], ptDest);
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112 | this.pts[i] = ptDest;
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113 | extent.add(ptDest); |
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114 | } |
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115 | |||
116 | setProjection(rp.getPDest()); |
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117 | } |
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118 | |||
119 | /**
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120 | * Permite dibujar un DxfArc.
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121 | */
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122 | public void draw(Graphics2D g, ViewPortData vp) { |
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123 | //System.out.println("Va a pintar un arc");
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124 | Color color = null; |
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125 | |||
126 | if (dxfColor == AcadColor.BYLAYER) {
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127 | //g.setColor(layer.getColor());
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128 | color = layer.getColor(); |
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129 | } else {
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130 | color = AcadColor.getColor(dxfColor); |
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131 | } |
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132 | |||
133 | //g.setColor(AcadColor.getColor(dxfColor));
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134 | newGP(vp); |
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135 | |||
136 | if (closed) {
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137 | g.setColor(new Color(color.getRed(), color.getBlue(), |
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138 | color.getGreen(), 0x80));
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139 | g.fill(gp); |
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140 | } |
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141 | |||
142 | g.setColor(color); |
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143 | g.draw(gp); |
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144 | } |
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145 | |||
146 | /**
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147 | * Permite generar un GeneralPath partiendo del array de Point2D que conforma el
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148 | * DxfArc.
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149 | * @param vp
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150 | */
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151 | private void newGP(ViewPortData vp) { |
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152 | //if (gp != null) return;
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153 | gp = new GeneralPath(); |
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154 | |||
155 | Point2D pt0 = null; |
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156 | Point2D pt = null; |
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157 | Point2D pt1 = null; |
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158 | Point2D.Double ptTmp = new Point2D.Double(0.0, 0.0); |
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159 | |||
160 | //System.out.println("pts.length = " + pts.length);
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161 | for (int i = 0; i < pts.length; i++) { |
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162 | pt1 = (Point2D) pts[i];
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163 | vp.mat.transform(pt1, ptTmp); |
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164 | |||
165 | if (pt0 == null) { |
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166 | pt0 = ptTmp; |
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167 | gp.moveTo((float) ptTmp.getX(), (float) ptTmp.getY()); |
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168 | } else {
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169 | gp.lineTo((float) ptTmp.getX(), (float) ptTmp.getY()); |
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170 | } |
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171 | } |
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172 | |||
173 | if (closed) {
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174 | gp.closePath(); |
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175 | } |
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176 | } |
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177 | |||
178 | /**
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179 | * Permite la escritura de entidades DxfArc en un fichero DXF2000.
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180 | * @return String, la cadena que se escribir? en el fichero con la informaci?n
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181 | * del DxfArc.
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182 | */
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183 | public String toDxfString() { |
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184 | StringBuffer sb = null; |
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185 | sb = new StringBuffer(DxfGroup.toString(0, "ARC")); |
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186 | sb.append(DxfGroup.toString(5, getHandle()));
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187 | sb.append(DxfGroup.toString(100, "AcDbEntity")); |
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188 | sb.append(DxfGroup.toString(8, layer.getName()));
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189 | sb.append(DxfGroup.toString(62, dxfColor));
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190 | sb.append(DxfGroup.toString(100, "AcDbCircle")); |
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191 | sb.append(DxfGroup.toString(10, getCenter().getX(), 6)); |
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192 | sb.append(DxfGroup.toString(20, getCenter().getY(), 6)); |
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193 | sb.append(DxfGroup.toString(40, getRadius(), 6)); |
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194 | sb.append(DxfGroup.toString(100, "AcDbArc")); |
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195 | sb.append(DxfGroup.toString(50, getInitAngle(), 6)); |
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196 | sb.append(DxfGroup.toString(51, getEndAngle(), 6)); |
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197 | |||
198 | return sb.toString();
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199 | } |
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200 | |||
201 | /**
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202 | * Devuelve el array de puntos que conforman el DxfArc.
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203 | * @return Point2D[], puntos del DxfArc.
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204 | */
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205 | public Point2D[] getPts() { |
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206 | return pts;
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207 | } |
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208 | |||
209 | /**
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210 | * Devuelve el GeneralPath qie conforma el DxfArc.
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211 | * @return GeneralPath del DxfArc.
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212 | */
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213 | /*public GeneralPath getGeneralPath(ViewPort vp) {
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214 | newGP(vp);
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215 | return (GeneralPath) gp.clone();
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216 | }*/
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217 | |||
218 | /**
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219 | * @return Returns the center.
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220 | */
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221 | public Point2D getCenter() { |
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222 | return center;
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223 | } |
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224 | |||
225 | /**
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226 | * @param center The center to set.
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227 | */
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228 | public void setCenter(Point2D center) { |
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229 | this.center = center;
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230 | } |
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231 | |||
232 | /**
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233 | * @return Returns the end.
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234 | */
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235 | public Point2D getEnd() { |
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236 | return end;
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237 | } |
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238 | |||
239 | /**
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240 | * @param end The end to set.
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241 | */
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242 | public void setEnd(Point2D end) { |
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243 | this.end = end;
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244 | } |
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245 | |||
246 | /**
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247 | * @return Returns the init.
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248 | */
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249 | public Point2D getInit() { |
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250 | return init;
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251 | } |
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252 | |||
253 | /**
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254 | * @param init The init to set.
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255 | */
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256 | public void setInit(Point2D init) { |
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257 | this.init = init;
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258 | } |
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259 | |||
260 | /**
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261 | * @return Returns the centralPoint.
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262 | */
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263 | public Point2D getCentralPoint() { |
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264 | return centralPoint;
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265 | } |
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266 | |||
267 | /**
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268 | * @param centralPoint The centralPoint to set.
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269 | */
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270 | public void setCentralPoint(Point2D centralPoint) { |
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271 | this.centralPoint = centralPoint;
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272 | } |
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273 | |||
274 | /**
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275 | * @return Returns the endAngle.
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276 | */
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277 | public double getEndAngle() { |
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278 | return endAngle;
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279 | } |
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280 | |||
281 | /**
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282 | * @param endAngle The endAngle to set.
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283 | */
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284 | public void setEndAngle(double endAngle) { |
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285 | this.endAngle = endAngle;
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286 | } |
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287 | |||
288 | /**
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289 | * @return Returns the initAngle.
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290 | */
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291 | public double getInitAngle() { |
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292 | return initAngle;
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293 | } |
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294 | |||
295 | /**
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296 | * @param initAngle The initAngle to set.
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297 | */
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298 | public void setInitAngle(double initAngle) { |
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299 | this.initAngle = initAngle;
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300 | } |
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301 | |||
302 | /**
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303 | * @return Returns the radius.
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304 | */
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305 | public double getRadius() { |
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306 | return radius;
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307 | } |
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308 | |||
309 | /**
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310 | * @param radius The radius to set.
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311 | */
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312 | public void setRadius(double radius) { |
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313 | this.radius = radius;
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314 | } |
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315 | } |