svn-gvsig-desktop / tags / v1_0_2_Build_898 / libraries / libDwg / src / com / iver / cit / jdwglib / dwg / objects / DwgArc.java @ 10513
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1 | 2896 | jmorell | /* jdwglib. Java Library for reading Dwg files.
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2 | *
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3 | * Author: Jose Morell Rama (jose.morell@gmail.com).
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4 | * Port from the Pythoncad Dwg library by Art Haas.
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5 | *
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6 | * Copyright (C) 2005 Jose Morell, IVER TI S.A. and Generalitat Valenciana
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7 | *
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8 | * This program is free software; you can redistribute it and/or
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9 | * modify it under the terms of the GNU General Public License
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10 | * as published by the Free Software Foundation; either version 2
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11 | * of the License, or (at your option) any later version.
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12 | *
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13 | * This program is distributed in the hope that it will be useful,
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14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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16 | * GNU General Public License for more details.
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17 | *
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18 | * You should have received a copy of the GNU General Public License
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19 | * along with this program; if not, write to the Free Software
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20 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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21 | *
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22 | * For more information, contact:
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23 | *
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24 | * Jose Morell (jose.morell@gmail.com)
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25 | *
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26 | * or
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27 | *
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28 | * IVER TI S.A.
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29 | * C/Salamanca, 50
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30 | * 46005 Valencia
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31 | * Spain
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32 | * +34 963163400
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33 | * dac@iver.es
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34 | */
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35 | package com.iver.cit.jdwglib.dwg.objects; |
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36 | |||
37 | 8765 | jjdelcerro | import java.util.ArrayList; |
38 | 2896 | jmorell | |
39 | import com.iver.cit.jdwglib.dwg.DwgObject; |
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40 | import com.iver.cit.jdwglib.dwg.DwgUtil; |
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41 | |||
42 | /**
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43 | * The DwgArc class represents a DWG Arc
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44 | *
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45 | * @author jmorell
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46 | */
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47 | public class DwgArc extends DwgObject { |
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48 | private double[] center; |
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49 | private double radius; |
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50 | private double thickness; |
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51 | private double[] extrusion; |
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52 | private double initAngle; |
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53 | private double endAngle; |
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54 | |||
55 | /**
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56 | * Read an Arc in the DWG format Version 15
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57 | *
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58 | * @param data Array of unsigned bytes obtained from the DWG binary file
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59 | * @param offset The current bit offset where the value begins
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60 | * @throws Exception If an unexpected bit value is found in the DWG file. Occurs
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61 | * when we are looking for LwPolylines.
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62 | */
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63 | public void readDwgArcV15(int[] data, int offset) throws Exception { |
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64 | //System.out.println("readDwgArc() executed ...");
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65 | int bitPos = offset;
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66 | bitPos = readObjectHeaderV15(data, bitPos); |
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67 | 8765 | jjdelcerro | ArrayList v = DwgUtil.getBitDouble(data, bitPos);
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68 | 2896 | jmorell | bitPos = ((Integer)v.get(0)).intValue(); |
69 | double x = ((Double)v.get(1)).doubleValue(); |
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70 | v = DwgUtil.getBitDouble(data, bitPos); |
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71 | bitPos = ((Integer)v.get(0)).intValue(); |
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72 | double y = ((Double)v.get(1)).doubleValue(); |
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73 | v = DwgUtil.getBitDouble(data, bitPos); |
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74 | bitPos = ((Integer)v.get(0)).intValue(); |
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75 | double z = ((Double)v.get(1)).doubleValue(); |
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76 | double[] coord = new double[]{x, y, z}; |
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77 | center = coord; |
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78 | v = DwgUtil.getBitDouble(data, bitPos); |
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79 | bitPos = ((Integer)v.get(0)).intValue(); |
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80 | double val = ((Double)v.get(1)).doubleValue(); |
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81 | radius = val; |
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82 | v = DwgUtil.testBit(data, bitPos); |
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83 | bitPos = ((Integer)v.get(0)).intValue(); |
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84 | boolean flag = ((Boolean)v.get(1)).booleanValue(); |
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85 | if (flag) {
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86 | val=0.0;
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87 | } else {
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88 | v = DwgUtil.getBitDouble(data, bitPos); |
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89 | bitPos = ((Integer)v.get(0)).intValue(); |
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90 | val = ((Double)v.get(1)).doubleValue(); |
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91 | } |
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92 | thickness = val; |
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93 | v = DwgUtil.testBit(data, bitPos); |
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94 | bitPos = ((Integer)v.get(0)).intValue(); |
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95 | flag = ((Boolean)v.get(1)).booleanValue(); |
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96 | if (flag) {
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97 | x = y = 0.0;
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98 | z = 1.0;
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99 | } else {
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100 | v = DwgUtil.getBitDouble(data, bitPos); |
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101 | bitPos = ((Integer)v.get(0)).intValue(); |
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102 | x = ((Double)v.get(1)).doubleValue(); |
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103 | v = DwgUtil.getBitDouble(data, bitPos); |
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104 | bitPos = ((Integer)v.get(0)).intValue(); |
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105 | y = ((Double)v.get(1)).doubleValue(); |
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106 | v = DwgUtil.getBitDouble(data, bitPos); |
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107 | bitPos = ((Integer)v.get(0)).intValue(); |
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108 | z = ((Double)v.get(1)).doubleValue(); |
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109 | } |
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110 | coord = new double[]{x, y, z}; |
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111 | extrusion = coord; |
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112 | v = DwgUtil.getBitDouble(data, bitPos); |
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113 | bitPos = ((Integer)v.get(0)).intValue(); |
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114 | val = ((Double)v.get(1)).doubleValue(); |
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115 | initAngle = val; |
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116 | v = DwgUtil.getBitDouble(data, bitPos); |
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117 | bitPos = ((Integer)v.get(0)).intValue(); |
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118 | val = ((Double)v.get(1)).doubleValue(); |
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119 | endAngle = val; |
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120 | bitPos = readObjectTailV15(data, bitPos); |
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121 | } |
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122 | /**
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123 | * @return Returns the center.
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124 | */
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125 | public double[] getCenter() { |
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126 | return center;
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127 | } |
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128 | /**
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129 | * @param center The center to set.
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130 | */
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131 | public void setCenter(double[] center) { |
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132 | this.center = center;
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133 | } |
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134 | /**
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135 | * @return Returns the endAngle.
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136 | */
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137 | public double getEndAngle() { |
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138 | return endAngle;
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139 | } |
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140 | /**
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141 | * @param endAngle The endAngle to set.
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142 | */
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143 | public void setEndAngle(double endAngle) { |
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144 | this.endAngle = endAngle;
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145 | } |
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146 | /**
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147 | * @return Returns the initAngle.
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148 | */
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149 | public double getInitAngle() { |
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150 | return initAngle;
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151 | } |
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152 | /**
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153 | * @param initAngle The initAngle to set.
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154 | */
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155 | public void setInitAngle(double initAngle) { |
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156 | this.initAngle = initAngle;
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157 | } |
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158 | /**
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159 | * @return Returns the radius.
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160 | */
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161 | public double getRadius() { |
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162 | return radius;
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163 | } |
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164 | /**
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165 | * @param radius The radius to set.
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166 | */
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167 | public void setRadius(double radius) { |
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168 | this.radius = radius;
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169 | } |
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170 | /**
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171 | * @return Returns the extrusion.
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172 | */
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173 | public double[] getExtrusion() { |
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174 | return extrusion;
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175 | } |
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176 | |||
177 | /* (non-Javadoc)
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178 | * @see java.lang.Object#clone()
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179 | */
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180 | public Object clone() { |
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181 | DwgArc dwgArc = new DwgArc();
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182 | dwgArc.setType(type); |
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183 | dwgArc.setHandle(handle); |
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184 | dwgArc.setVersion(version); |
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185 | dwgArc.setMode(mode); |
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186 | dwgArc.setLayerHandle(layerHandle); |
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187 | dwgArc.setColor(color); |
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188 | dwgArc.setNumReactors(numReactors); |
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189 | dwgArc.setNoLinks(noLinks); |
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190 | dwgArc.setLinetypeFlags(linetypeFlags); |
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191 | dwgArc.setPlotstyleFlags(plotstyleFlags); |
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192 | dwgArc.setSizeInBits(sizeInBits); |
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193 | dwgArc.setExtendedData(extendedData); |
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194 | dwgArc.setGraphicData(graphicData); |
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195 | //dwgArc.setInsideBlock(insideBlock);
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196 | dwgArc.setCenter(center); |
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197 | dwgArc.setRadius(radius); |
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198 | dwgArc.setThickness(thickness); |
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199 | dwgArc.setExtrusion(extrusion); |
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200 | dwgArc.setInitAngle(initAngle); |
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201 | dwgArc.setEndAngle(endAngle); |
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202 | return dwgArc;
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203 | } |
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204 | /**
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205 | * @return Returns the thickness.
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206 | */
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207 | public double getThickness() { |
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208 | return thickness;
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209 | } |
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210 | /**
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211 | * @param thickness The thickness to set.
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212 | */
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213 | public void setThickness(double thickness) { |
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214 | this.thickness = thickness;
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215 | } |
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216 | /**
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217 | * @param extrusion The extrusion to set.
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218 | */
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219 | public void setExtrusion(double[] extrusion) { |
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220 | this.extrusion = extrusion;
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221 | } |
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222 | } |