svn-gvsig-desktop / trunk / libraries / libDwg / src / com / iver / cit / jdwglib / dwg / objects / DwgSpline.java @ 2896
History | View | Annotate | Download (11.6 KB)
| 1 |
/* jdwglib. Java Library for reading Dwg files.
|
|---|---|
| 2 |
*
|
| 3 |
* Author: Jose Morell Rama (jose.morell@gmail.com).
|
| 4 |
* Port from the Pythoncad Dwg library by Art Haas.
|
| 5 |
*
|
| 6 |
* Copyright (C) 2005 Jose Morell, IVER TI S.A. and Generalitat Valenciana
|
| 7 |
*
|
| 8 |
* This program is free software; you can redistribute it and/or
|
| 9 |
* modify it under the terms of the GNU General Public License
|
| 10 |
* as published by the Free Software Foundation; either version 2
|
| 11 |
* of the License, or (at your option) any later version.
|
| 12 |
*
|
| 13 |
* This program is distributed in the hope that it will be useful,
|
| 14 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
| 15 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
| 16 |
* GNU General Public License for more details.
|
| 17 |
*
|
| 18 |
* You should have received a copy of the GNU General Public License
|
| 19 |
* along with this program; if not, write to the Free Software
|
| 20 |
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
|
| 21 |
*
|
| 22 |
* For more information, contact:
|
| 23 |
*
|
| 24 |
* Jose Morell (jose.morell@gmail.com)
|
| 25 |
*
|
| 26 |
* or
|
| 27 |
*
|
| 28 |
* IVER TI S.A.
|
| 29 |
* C/Salamanca, 50
|
| 30 |
* 46005 Valencia
|
| 31 |
* Spain
|
| 32 |
* +34 963163400
|
| 33 |
* dac@iver.es
|
| 34 |
*/
|
| 35 |
package com.iver.cit.jdwglib.dwg.objects; |
| 36 |
|
| 37 |
import java.util.Vector; |
| 38 |
|
| 39 |
import com.iver.cit.jdwglib.dwg.DwgObject; |
| 40 |
import com.iver.cit.jdwglib.dwg.DwgUtil; |
| 41 |
|
| 42 |
/**
|
| 43 |
* The DwgSpline class represents a DWG Spline
|
| 44 |
*
|
| 45 |
* @author jmorell
|
| 46 |
*/
|
| 47 |
public class DwgSpline extends DwgObject { |
| 48 |
private int scenario; |
| 49 |
private int degree; |
| 50 |
private double fitTolerance; |
| 51 |
private double[] beginTanVector; |
| 52 |
private double[] endTanVector; |
| 53 |
private boolean rational; |
| 54 |
private boolean closed; |
| 55 |
private boolean periodic; |
| 56 |
private double knotTolerance; |
| 57 |
private double controlTolerance; |
| 58 |
private double[] knotPoints; |
| 59 |
private double[][] controlPoints; |
| 60 |
private double[] weights; |
| 61 |
private double[][] fitPoints; |
| 62 |
|
| 63 |
/**
|
| 64 |
* Read a Spline in the DWG format Version 15
|
| 65 |
*
|
| 66 |
* @param data Array of unsigned bytes obtained from the DWG binary file
|
| 67 |
* @param offset The current bit offset where the value begins
|
| 68 |
* @throws Exception If an unexpected bit value is found in the DWG file. Occurs
|
| 69 |
* when we are looking for LwPolylines.
|
| 70 |
*/
|
| 71 |
public void readDwgSplineV15(int[] data, int offset) throws Exception { |
| 72 |
int bitPos = offset;
|
| 73 |
bitPos = readObjectHeaderV15(data, bitPos); |
| 74 |
Vector v = DwgUtil.getBitShort(data, bitPos);
|
| 75 |
bitPos = ((Integer)v.get(0)).intValue(); |
| 76 |
int sc = ((Integer)v.get(1)).intValue(); |
| 77 |
scenario = sc; |
| 78 |
v = DwgUtil.getBitShort(data, bitPos); |
| 79 |
bitPos = ((Integer)v.get(0)).intValue(); |
| 80 |
int deg = ((Integer)v.get(1)).intValue(); |
| 81 |
degree = deg; |
| 82 |
int knotsNumber = 0; |
| 83 |
int controlPointsNumber = 0; |
| 84 |
int fitPointsNumber = 0; |
| 85 |
boolean weight = false; |
| 86 |
if (sc==2) { |
| 87 |
v = DwgUtil.getBitDouble(data, bitPos); |
| 88 |
bitPos = ((Integer)v.get(0)).intValue(); |
| 89 |
double ft = ((Double)v.get(1)).doubleValue(); |
| 90 |
fitTolerance = ft; |
| 91 |
v = DwgUtil.getBitDouble(data, bitPos); |
| 92 |
bitPos = ((Integer)v.get(0)).intValue(); |
| 93 |
double x = ((Double)v.get(1)).doubleValue(); |
| 94 |
v = DwgUtil.getBitDouble(data, bitPos); |
| 95 |
bitPos = ((Integer)v.get(0)).intValue(); |
| 96 |
double y = ((Double)v.get(1)).doubleValue(); |
| 97 |
v = DwgUtil.getBitDouble(data, bitPos); |
| 98 |
bitPos = ((Integer)v.get(0)).intValue(); |
| 99 |
double z = ((Double)v.get(1)).doubleValue(); |
| 100 |
double[] coord = new double[]{x, y, z}; |
| 101 |
beginTanVector = coord; |
| 102 |
v = DwgUtil.getBitDouble(data, bitPos); |
| 103 |
bitPos = ((Integer)v.get(0)).intValue(); |
| 104 |
x = ((Double)v.get(1)).doubleValue(); |
| 105 |
v = DwgUtil.getBitDouble(data, bitPos); |
| 106 |
bitPos = ((Integer)v.get(0)).intValue(); |
| 107 |
y = ((Double)v.get(1)).doubleValue(); |
| 108 |
v = DwgUtil.getBitDouble(data, bitPos); |
| 109 |
bitPos = ((Integer)v.get(0)).intValue(); |
| 110 |
z = ((Double)v.get(1)).doubleValue(); |
| 111 |
coord = new double[]{x, y, z}; |
| 112 |
endTanVector = coord; |
| 113 |
v = DwgUtil.getBitShort(data, bitPos); |
| 114 |
bitPos = ((Integer)v.get(0)).intValue(); |
| 115 |
fitPointsNumber = ((Integer)v.get(1)).intValue(); |
| 116 |
} else if (sc==1) { |
| 117 |
v = DwgUtil.testBit(data, bitPos); |
| 118 |
bitPos = ((Integer)v.get(0)).intValue(); |
| 119 |
boolean rat = ((Boolean)v.get(1)).booleanValue(); |
| 120 |
rational = rat; |
| 121 |
v = DwgUtil.testBit(data, bitPos); |
| 122 |
bitPos = ((Integer)v.get(0)).intValue(); |
| 123 |
boolean closed = ((Boolean)v.get(1)).booleanValue(); |
| 124 |
this.closed = closed;
|
| 125 |
v = DwgUtil.testBit(data, bitPos); |
| 126 |
bitPos = ((Integer)v.get(0)).intValue(); |
| 127 |
boolean per = ((Boolean)v.get(1)).booleanValue(); |
| 128 |
periodic = per; |
| 129 |
v = DwgUtil.getBitDouble(data, bitPos); |
| 130 |
bitPos = ((Integer)v.get(0)).intValue(); |
| 131 |
double ktol = ((Double)v.get(1)).doubleValue(); |
| 132 |
knotTolerance = ktol; |
| 133 |
v = DwgUtil.getBitDouble(data, bitPos); |
| 134 |
bitPos = ((Integer)v.get(0)).intValue(); |
| 135 |
double ctol = ((Double)v.get(1)).doubleValue(); |
| 136 |
controlTolerance = ctol; |
| 137 |
v = DwgUtil.getBitLong(data, bitPos); |
| 138 |
bitPos = ((Integer)v.get(0)).intValue(); |
| 139 |
knotsNumber = ((Integer)v.get(1)).intValue(); |
| 140 |
v = DwgUtil.getBitLong(data, bitPos); |
| 141 |
bitPos = ((Integer)v.get(0)).intValue(); |
| 142 |
controlPointsNumber = ((Integer)v.get(1)).intValue(); |
| 143 |
v = DwgUtil.testBit(data, bitPos); |
| 144 |
bitPos = ((Integer)v.get(0)).intValue(); |
| 145 |
weight = ((Boolean)v.get(1)).booleanValue(); |
| 146 |
} else {
|
| 147 |
System.out.println("ERROR: Escenario desconocido"); |
| 148 |
} |
| 149 |
if (knotsNumber>0) { |
| 150 |
double[] knotpts = new double[knotsNumber]; |
| 151 |
for (int i=0;i<knotsNumber;i++) { |
| 152 |
v = DwgUtil.getBitDouble(data, bitPos); |
| 153 |
bitPos = ((Integer)v.get(0)).intValue(); |
| 154 |
knotpts[i] = ((Double)v.get(1)).doubleValue(); |
| 155 |
} |
| 156 |
knotPoints = knotpts; |
| 157 |
} |
| 158 |
if (controlPointsNumber>0) { |
| 159 |
// Si el n?mero de weights no coincide con el de ctrlpts habr? problemas ...
|
| 160 |
double[][] ctrlpts = new double[controlPointsNumber][3]; |
| 161 |
double[] weights = new double[controlPointsNumber]; |
| 162 |
for (int i=0;i<controlPointsNumber;i++) { |
| 163 |
v = DwgUtil.getBitDouble(data, bitPos); |
| 164 |
bitPos = ((Integer)v.get(0)).intValue(); |
| 165 |
double x = ((Double)v.get(1)).doubleValue(); |
| 166 |
v = DwgUtil.getBitDouble(data, bitPos); |
| 167 |
bitPos = ((Integer)v.get(0)).intValue(); |
| 168 |
double y = ((Double)v.get(1)).doubleValue(); |
| 169 |
v = DwgUtil.getBitDouble(data, bitPos); |
| 170 |
bitPos = ((Integer)v.get(0)).intValue(); |
| 171 |
double z = ((Double)v.get(1)).doubleValue(); |
| 172 |
//double[] coord = new double[]{x, y, z};
|
| 173 |
ctrlpts[i][0] = x;
|
| 174 |
ctrlpts[i][1] = y;
|
| 175 |
ctrlpts[i][2] = z;
|
| 176 |
if (weight) {
|
| 177 |
v = DwgUtil.getBitDouble(data, bitPos); |
| 178 |
bitPos = ((Integer)v.get(0)).intValue(); |
| 179 |
weights[i] = ((Double)v.get(1)).doubleValue(); |
| 180 |
} |
| 181 |
} |
| 182 |
controlPoints = ctrlpts; |
| 183 |
if (weight) {
|
| 184 |
this.weights = weights;
|
| 185 |
} |
| 186 |
} |
| 187 |
if (fitPointsNumber>0) { |
| 188 |
double[][] fitpts = new double[fitPointsNumber][3]; |
| 189 |
for (int i=0;i<fitPointsNumber;i++) { |
| 190 |
v = DwgUtil.getBitDouble(data, bitPos); |
| 191 |
bitPos = ((Integer)v.get(0)).intValue(); |
| 192 |
double x = ((Double)v.get(1)).doubleValue(); |
| 193 |
v = DwgUtil.getBitDouble(data, bitPos); |
| 194 |
bitPos = ((Integer)v.get(0)).intValue(); |
| 195 |
double y = ((Double)v.get(1)).doubleValue(); |
| 196 |
v = DwgUtil.getBitDouble(data, bitPos); |
| 197 |
bitPos = ((Integer)v.get(0)).intValue(); |
| 198 |
double z = ((Double)v.get(1)).doubleValue(); |
| 199 |
fitpts[i][0] = x;
|
| 200 |
fitpts[i][1] = y;
|
| 201 |
fitpts[i][2] = z;
|
| 202 |
} |
| 203 |
fitPoints = fitpts; |
| 204 |
} |
| 205 |
bitPos = readObjectTailV15(data, bitPos); |
| 206 |
} |
| 207 |
/**
|
| 208 |
* @return Returns the closed.
|
| 209 |
*/
|
| 210 |
public boolean isClosed() { |
| 211 |
return closed;
|
| 212 |
} |
| 213 |
/**
|
| 214 |
* @param closed The closed to set.
|
| 215 |
*/
|
| 216 |
public void setClosed(boolean closed) { |
| 217 |
this.closed = closed;
|
| 218 |
} |
| 219 |
/**
|
| 220 |
* @return Returns the controlPoints.
|
| 221 |
*/
|
| 222 |
public double[][] getControlPoints() { |
| 223 |
return controlPoints;
|
| 224 |
} |
| 225 |
/**
|
| 226 |
* @param controlPoints The controlPoints to set.
|
| 227 |
*/
|
| 228 |
public void setControlPoints(double[][] controlPoints) { |
| 229 |
this.controlPoints = controlPoints;
|
| 230 |
} |
| 231 |
/**
|
| 232 |
* @return Returns the fitPoints.
|
| 233 |
*/
|
| 234 |
public double[][] getFitPoints() { |
| 235 |
return fitPoints;
|
| 236 |
} |
| 237 |
/**
|
| 238 |
* @param fitPoints The fitPoints to set.
|
| 239 |
*/
|
| 240 |
public void setFitPoints(double[][] fitPoints) { |
| 241 |
this.fitPoints = fitPoints;
|
| 242 |
} |
| 243 |
/**
|
| 244 |
* @return Returns the knotPoints.
|
| 245 |
*/
|
| 246 |
public double[] getKnotPoints() { |
| 247 |
return knotPoints;
|
| 248 |
} |
| 249 |
/**
|
| 250 |
* @param knotPoints The knotPoints to set.
|
| 251 |
*/
|
| 252 |
public void setKnotPoints(double[] knotPoints) { |
| 253 |
this.knotPoints = knotPoints;
|
| 254 |
} |
| 255 |
/**
|
| 256 |
* @return Returns the scenario.
|
| 257 |
*/
|
| 258 |
public int getScenario() { |
| 259 |
return scenario;
|
| 260 |
} |
| 261 |
/**
|
| 262 |
* @param scenario The scenario to set.
|
| 263 |
*/
|
| 264 |
public void setScenario(int scenario) { |
| 265 |
this.scenario = scenario;
|
| 266 |
} |
| 267 |
/* (non-Javadoc)
|
| 268 |
* @see java.lang.Object#clone()
|
| 269 |
*/
|
| 270 |
public Object clone() { |
| 271 |
DwgSpline dwgSpline = new DwgSpline();
|
| 272 |
dwgSpline.setType(type); |
| 273 |
dwgSpline.setHandle(handle); |
| 274 |
dwgSpline.setVersion(version); |
| 275 |
dwgSpline.setMode(mode); |
| 276 |
dwgSpline.setLayerHandle(layerHandle); |
| 277 |
dwgSpline.setColor(color); |
| 278 |
dwgSpline.setNumReactors(numReactors); |
| 279 |
dwgSpline.setNoLinks(noLinks); |
| 280 |
dwgSpline.setLinetypeFlags(linetypeFlags); |
| 281 |
dwgSpline.setPlotstyleFlags(plotstyleFlags); |
| 282 |
dwgSpline.setSizeInBits(sizeInBits); |
| 283 |
dwgSpline.setExtendedData(extendedData); |
| 284 |
dwgSpline.setGraphicData(graphicData); |
| 285 |
//dwgSpline.setInsideBlock(insideBlock);
|
| 286 |
dwgSpline.setScenario(scenario); |
| 287 |
dwgSpline.setDegree(degree); |
| 288 |
dwgSpline.setFitTolerance(fitTolerance); |
| 289 |
dwgSpline.setBeginTanVector(beginTanVector); |
| 290 |
dwgSpline.setEndTanVector(endTanVector); |
| 291 |
dwgSpline.setRational(rational); |
| 292 |
dwgSpline.setClosed(closed); |
| 293 |
dwgSpline.setPeriodic(periodic); |
| 294 |
dwgSpline.setKnotTolerance(knotTolerance); |
| 295 |
dwgSpline.setControlTolerance(controlTolerance); |
| 296 |
dwgSpline.setKnotPoints(knotPoints); |
| 297 |
dwgSpline.setControlPoints(controlPoints); |
| 298 |
dwgSpline.setWeights(weights); |
| 299 |
dwgSpline.setFitPoints(fitPoints); |
| 300 |
return dwgSpline;
|
| 301 |
} |
| 302 |
/**
|
| 303 |
* @return Returns the beginTanVector.
|
| 304 |
*/
|
| 305 |
public double[] getBeginTanVector() { |
| 306 |
return beginTanVector;
|
| 307 |
} |
| 308 |
/**
|
| 309 |
* @param beginTanVector The beginTanVector to set.
|
| 310 |
*/
|
| 311 |
public void setBeginTanVector(double[] beginTanVector) { |
| 312 |
this.beginTanVector = beginTanVector;
|
| 313 |
} |
| 314 |
/**
|
| 315 |
* @return Returns the controlTolerance.
|
| 316 |
*/
|
| 317 |
public double getControlTolerance() { |
| 318 |
return controlTolerance;
|
| 319 |
} |
| 320 |
/**
|
| 321 |
* @param controlTolerance The controlTolerance to set.
|
| 322 |
*/
|
| 323 |
public void setControlTolerance(double controlTolerance) { |
| 324 |
this.controlTolerance = controlTolerance;
|
| 325 |
} |
| 326 |
/**
|
| 327 |
* @return Returns the degree.
|
| 328 |
*/
|
| 329 |
public int getDegree() { |
| 330 |
return degree;
|
| 331 |
} |
| 332 |
/**
|
| 333 |
* @param degree The degree to set.
|
| 334 |
*/
|
| 335 |
public void setDegree(int degree) { |
| 336 |
this.degree = degree;
|
| 337 |
} |
| 338 |
/**
|
| 339 |
* @return Returns the endTanVector.
|
| 340 |
*/
|
| 341 |
public double[] getEndTanVector() { |
| 342 |
return endTanVector;
|
| 343 |
} |
| 344 |
/**
|
| 345 |
* @param endTanVector The endTanVector to set.
|
| 346 |
*/
|
| 347 |
public void setEndTanVector(double[] endTanVector) { |
| 348 |
this.endTanVector = endTanVector;
|
| 349 |
} |
| 350 |
/**
|
| 351 |
* @return Returns the fitTolerance.
|
| 352 |
*/
|
| 353 |
public double getFitTolerance() { |
| 354 |
return fitTolerance;
|
| 355 |
} |
| 356 |
/**
|
| 357 |
* @param fitTolerance The fitTolerance to set.
|
| 358 |
*/
|
| 359 |
public void setFitTolerance(double fitTolerance) { |
| 360 |
this.fitTolerance = fitTolerance;
|
| 361 |
} |
| 362 |
/**
|
| 363 |
* @return Returns the knotTolerance.
|
| 364 |
*/
|
| 365 |
public double getKnotTolerance() { |
| 366 |
return knotTolerance;
|
| 367 |
} |
| 368 |
/**
|
| 369 |
* @param knotTolerance The knotTolerance to set.
|
| 370 |
*/
|
| 371 |
public void setKnotTolerance(double knotTolerance) { |
| 372 |
this.knotTolerance = knotTolerance;
|
| 373 |
} |
| 374 |
/**
|
| 375 |
* @return Returns the periodic.
|
| 376 |
*/
|
| 377 |
public boolean isPeriodic() { |
| 378 |
return periodic;
|
| 379 |
} |
| 380 |
/**
|
| 381 |
* @param periodic The periodic to set.
|
| 382 |
*/
|
| 383 |
public void setPeriodic(boolean periodic) { |
| 384 |
this.periodic = periodic;
|
| 385 |
} |
| 386 |
/**
|
| 387 |
* @return Returns the rational.
|
| 388 |
*/
|
| 389 |
public boolean isRational() { |
| 390 |
return rational;
|
| 391 |
} |
| 392 |
/**
|
| 393 |
* @param rational The rational to set.
|
| 394 |
*/
|
| 395 |
public void setRational(boolean rational) { |
| 396 |
this.rational = rational;
|
| 397 |
} |
| 398 |
/**
|
| 399 |
* @return Returns the weights.
|
| 400 |
*/
|
| 401 |
public double[] getWeights() { |
| 402 |
return weights;
|
| 403 |
} |
| 404 |
/**
|
| 405 |
* @param weights The weights to set.
|
| 406 |
*/
|
| 407 |
public void setWeights(double[] weights) { |
| 408 |
this.weights = weights;
|
| 409 |
} |
| 410 |
} |