PLYReader.cc 40 KB
Newer Older
Jan Möbius's avatar
Jan Möbius committed
1
/* ========================================================================= *
Jan Möbius's avatar
Jan Möbius committed
2 3
 *                                                                           *
 *                               OpenMesh                                    *
Jan Möbius's avatar
Jan Möbius committed
4
 *           Copyright (c) 2001-2015, RWTH-Aachen University                 *
Jan Möbius's avatar
Typo  
Jan Möbius committed
5
 *           Department of Computer Graphics and Multimedia                  *
Jan Möbius's avatar
Jan Möbius committed
6 7
 *                          All rights reserved.                             *
 *                            www.openmesh.org                               *
Jan Möbius's avatar
Jan Möbius committed
8
 *                                                                           *
Mike Kremer's avatar
Mike Kremer committed
9
 *---------------------------------------------------------------------------*
Jan Möbius's avatar
Jan Möbius committed
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38
 * This file is part of OpenMesh.                                            *
 *---------------------------------------------------------------------------*
 *                                                                           *
 * Redistribution and use in source and binary forms, with or without        *
 * modification, are permitted provided that the following conditions        *
 * are met:                                                                  *
 *                                                                           *
 * 1. Redistributions of source code must retain the above copyright notice, *
 *    this list of conditions and the following disclaimer.                  *
 *                                                                           *
 * 2. Redistributions in binary form must reproduce the above copyright      *
 *    notice, this list of conditions and the following disclaimer in the    *
 *    documentation and/or other materials provided with the distribution.   *
 *                                                                           *
 * 3. Neither the name of the copyright holder nor the names of its          *
 *    contributors may be used to endorse or promote products derived from   *
 *    this software without specific prior written permission.               *
 *                                                                           *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS       *
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED *
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A           *
 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER *
 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,  *
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,       *
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR        *
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF    *
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING      *
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS        *
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.              *
Jan Möbius's avatar
Jan Möbius committed
39 40
 *                                                                           *
 * ========================================================================= */
41 42

/*===========================================================================*\
Mike Kremer's avatar
Mike Kremer committed
43
 *                                                                           *
44 45
 *   $Revision$                                                         *
 *   $Date$                   *
Jan Möbius's avatar
Jan Möbius committed
46
 *                                                                           *
Mike Kremer's avatar
Mike Kremer committed
47
 \*===========================================================================*/
Jan Möbius's avatar
Jan Möbius committed
48 49 50 51 52 53 54 55 56 57 58 59 60 61

#define LINE_LEN 4096

//== INCLUDES =================================================================

// OpenMesh
#include <OpenMesh/Core/System/config.h>
#include <OpenMesh/Core/System/omstream.hh>
#include <OpenMesh/Core/IO/reader/PLYReader.hh>
#include <OpenMesh/Core/IO/IOManager.hh>
#include <OpenMesh/Core/Utils/color_cast.hh>

//STL
#include <fstream>
62
#include <iostream>
Jan Möbius's avatar
Jan Möbius committed
63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78
#include <memory>

#ifndef WIN32
#endif

//=== NAMESPACES ==============================================================


namespace OpenMesh {
namespace IO {

//=============================================================================

//=== INSTANCIATE =============================================================


Mike Kremer's avatar
Mike Kremer committed
79 80
_PLYReader_ __PLYReaderInstance;
_PLYReader_& PLYReader() {
81
    return __PLYReaderInstance;
Mike Kremer's avatar
Mike Kremer committed
82
}
Jan Möbius's avatar
Jan Möbius committed
83 84 85 86

//=== IMPLEMENTATION ==========================================================


Mike Kremer's avatar
Mike Kremer committed
87
_PLYReader_::_PLYReader_() {
88
    IOManager().register_module(this);
89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107

    // Store sizes in byte of each property type
    scalar_size_[ValueTypeINT8] = 1;
    scalar_size_[ValueTypeUINT8] = 1;
    scalar_size_[ValueTypeINT16] = 2;
    scalar_size_[ValueTypeUINT16] = 2;
    scalar_size_[ValueTypeINT32] = 4;
    scalar_size_[ValueTypeUINT32] = 4;
    scalar_size_[ValueTypeFLOAT32] = 4;
    scalar_size_[ValueTypeFLOAT64] = 8;

    scalar_size_[ValueTypeCHAR] = 1;
    scalar_size_[ValueTypeUCHAR] = 1;
    scalar_size_[ValueTypeSHORT] = 2;
    scalar_size_[ValueTypeUSHORT] = 2;
    scalar_size_[ValueTypeINT] = 4;
    scalar_size_[ValueTypeUINT] = 4;
    scalar_size_[ValueTypeFLOAT] = 4;
    scalar_size_[ValueTypeDOUBLE] = 8;
Jan Möbius's avatar
Jan Möbius committed
108 109 110 111 112
}

//-----------------------------------------------------------------------------


Mike Kremer's avatar
Mike Kremer committed
113
bool _PLYReader_::read(const std::string& _filename, BaseImporter& _bi, Options& _opt) {
114

115
    std::fstream in(_filename.c_str(), (std::ios_base::binary | std::ios_base::in) );
Jan Möbius's avatar
Jan Möbius committed
116

117 118 119 120
    if (!in.is_open() || !in.good()) {
        omerr() << "[PLYReader] : cannot not open file " << _filename << std::endl;
        return false;
    }
Jan Möbius's avatar
Jan Möbius committed
121

122
    bool result = read(in, _bi, _opt);
Jan Möbius's avatar
Jan Möbius committed
123

124 125
    in.close();
    return result;
Jan Möbius's avatar
Jan Möbius committed
126 127 128 129 130
}

//-----------------------------------------------------------------------------


131 132 133 134 135 136 137
bool _PLYReader_::read(std::istream& _in, BaseImporter& _bi, Options& _opt) {

    if (!_in.good()) {
        omerr() << "[PLYReader] : cannot not use stream" << std::endl;
        return false;
    }

138 139
    // filter relevant options for reading
    bool swap = _opt.check(Options::Swap);
Jan Möbius's avatar
Jan Möbius committed
140

141
    userOptions_ = _opt;
Jan Möbius's avatar
Jan Möbius committed
142

143 144
    // build options to be returned
    _opt.clear();
Jan Möbius's avatar
Jan Möbius committed
145

146 147 148 149 150 151 152 153 154 155 156 157 158 159 160
    if (options_.vertex_has_normal() && userOptions_.vertex_has_normal()) {
        _opt += Options::VertexNormal;
    }
    if (options_.vertex_has_texcoord() && userOptions_.vertex_has_texcoord()) {
        _opt += Options::VertexTexCoord;
    }
    if (options_.vertex_has_color() && userOptions_.vertex_has_color()) {
        _opt += Options::VertexColor;
    }
    if (options_.face_has_color() && userOptions_.face_has_color()) {
        _opt += Options::FaceColor;
    }
    if (options_.is_binary()) {
        _opt += Options::Binary;
    }
161 162 163
    if (options_.color_is_float()) {
        _opt += Options::ColorFloat;
    }
164 165 166
    if (options_.check(Options::Custom) && userOptions_.check(Options::Custom)) {
        _opt += Options::Custom;
    }
Jan Möbius's avatar
Jan Möbius committed
167

168 169 170
    //    //force user-choice for the alpha value when reading binary
    //    if ( options_.is_binary() && userOptions_.color_has_alpha() )
    //      options_ += Options::ColorAlpha;
Jan Möbius's avatar
Jan Möbius committed
171

172
    return (options_.is_binary() ? read_binary(_in, _bi, swap, _opt) : read_ascii(_in, _bi, _opt));
Jan Möbius's avatar
Jan Möbius committed
173 174 175

}

Matthias Möller's avatar
Matthias Möller committed
176 177 178
template<typename T, typename Handle>
struct Handle2Prop;

179
template<typename T>
Matthias Möller's avatar
Matthias Möller committed
180
struct Handle2Prop<T,VertexHandle>
181
{
Matthias Möller's avatar
Matthias Möller committed
182 183
  typedef OpenMesh::VPropHandleT<T> PropT;
};
184

Matthias Möller's avatar
Matthias Möller committed
185 186 187 188 189
template<typename T>
struct Handle2Prop<T,FaceHandle>
{
  typedef OpenMesh::FPropHandleT<T> PropT;
};
190

191 192 193
//read and assign custom properties with the given type. Also creates property, if not exist
template<bool binary, typename T, typename Handle>
void _PLYReader_::readCreateCustomProperty(std::istream& _in, BaseImporter& _bi, Handle _h, const std::string& _propName, const _PLYReader_::ValueType _valueType, const _PLYReader_::ValueType _listType) const
194
{
195
  if (_listType == Unsupported) //no list type defined -> property is not a list
Matthias Möller's avatar
Matthias Möller committed
196 197 198 199
  {
    //get/add property
    typename Handle2Prop<T,Handle>::PropT prop;
    if (!_bi.kernel()->get_property_handle(prop,_propName))
200
    {
Matthias Möller's avatar
Matthias Möller committed
201
      _bi.kernel()->add_property(prop,_propName);
202 203
      _bi.kernel()->property(prop).set_persistent(true);
    }
Matthias Möller's avatar
Matthias Möller committed
204 205 206

    //read and assign
    T in;
207
    read(_valueType, _in, in, OpenMesh::GenProg::Bool2Type<binary>());
Matthias Möller's avatar
Matthias Möller committed
208 209 210 211 212 213 214
    _bi.kernel()->property(prop,_h) = in;
  }
  else
  {
    //get/add property
    typename Handle2Prop<std::vector<T>,Handle>::PropT prop;
    if (!_bi.kernel()->get_property_handle(prop,_propName))
215
    {
Matthias Möller's avatar
Matthias Möller committed
216
      _bi.kernel()->add_property(prop,_propName);
217 218
      _bi.kernel()->property(prop).set_persistent(true);
    }
Matthias Möller's avatar
Matthias Möller committed
219 220 221

    //init vector
    int numberOfValues;
222
    read(_listType, _in, numberOfValues, OpenMesh::GenProg::Bool2Type<binary>());
Matthias Möller's avatar
Matthias Möller committed
223 224 225 226 227 228
    std::vector<T> vec;
    vec.reserve(numberOfValues);
    //read and assign
    for (int i = 0; i < numberOfValues; ++i)
    {
      T in;
229
      read(_valueType, _in, in, OpenMesh::GenProg::Bool2Type<binary>());
Matthias Möller's avatar
Matthias Möller committed
230 231 232 233 234 235
      vec.push_back(in);
    }
    _bi.kernel()->property(prop,_h) = vec;
  }
}

236 237
template<bool binary, typename Handle>
void _PLYReader_::readCustomProperty(std::istream& _in, BaseImporter& _bi, Handle _h, const std::string& _propName, const _PLYReader_::ValueType _valueType, const _PLYReader_::ValueType _listIndexType) const
Matthias Möller's avatar
Matthias Möller committed
238
{
239 240 241 242
  switch (_valueType)
  {
  case ValueTypeINT8:
  case ValueTypeCHAR:
243
      readCreateCustomProperty<binary,signed char>(_in,_bi,_h,_propName,_valueType,_listIndexType);
244
      break;
245 246
  case ValueTypeUINT8:
  case ValueTypeUCHAR:
247
      readCreateCustomProperty<binary,unsigned char>(_in,_bi,_h,_propName,_valueType,_listIndexType);
248
      break;
249 250
  case ValueTypeINT16:
  case ValueTypeSHORT:
251
      readCreateCustomProperty<binary,short>(_in,_bi,_h,_propName,_valueType,_listIndexType);
252 253 254
      break;
  case ValueTypeUINT16:
  case ValueTypeUSHORT:
255
      readCreateCustomProperty<binary,unsigned short>(_in,_bi,_h,_propName,_valueType,_listIndexType);
256 257 258
      break;
  case ValueTypeINT32:
  case ValueTypeINT:
259
      readCreateCustomProperty<binary,int>(_in,_bi,_h,_propName,_valueType,_listIndexType);
260 261 262
      break;
  case ValueTypeUINT32:
  case ValueTypeUINT:
263
      readCreateCustomProperty<binary,unsigned int>(_in,_bi,_h,_propName,_valueType,_listIndexType);
264 265 266
      break;
  case ValueTypeFLOAT32:
  case ValueTypeFLOAT:
267
      readCreateCustomProperty<binary,float>(_in,_bi,_h,_propName,_valueType,_listIndexType);
268 269 270
      break;
  case ValueTypeFLOAT64:
  case ValueTypeDOUBLE:
271
      readCreateCustomProperty<binary,double>(_in,_bi,_h,_propName,_valueType,_listIndexType);
272 273 274 275 276 277
      break;
  default:
      std::cerr << "unsupported type" << std::endl;
      break;
  }
}
278 279


Jan Möbius's avatar
Jan Möbius committed
280 281
//-----------------------------------------------------------------------------

282
bool _PLYReader_::read_ascii(std::istream& _in, BaseImporter& _bi, const Options& _opt) const {
Mike Kremer's avatar
Mike Kremer committed
283

284 285 286 287 288 289 290 291
    // Reparse the header
    if (!can_u_read(_in)) {
        omerr() << "[PLYReader] : Unable to parse header\n";
        return false;
    }

    unsigned int i, j, k, l, idx;
    unsigned int nV;
Jan Möbius's avatar
Jan Möbius committed
292
    OpenMesh::Vec3f v, n;
293 294 295 296 297 298 299 300 301 302 303 304 305 306
    std::string trash;
    OpenMesh::Vec2f t;
    OpenMesh::Vec4i c;
    float tmp;
    BaseImporter::VHandles vhandles;
    VertexHandle vh;

    _bi.reserve(vertexCount_, 3* vertexCount_ , faceCount_);

    if (vertexDimension_ != 3) {
        omerr() << "[PLYReader] : Only vertex dimension 3 is supported." << std::endl;
        return false;
    }

307 308 309 310 311
    const bool err_enabled = omerr().is_enabled();
    size_t complex_faces = 0;
    if (err_enabled)
      omerr().disable();

312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482
	for (std::vector<ElementInfo>::iterator e_it = elements_.begin(); e_it != elements_.end(); ++e_it)
	{
		if (e_it->element_== VERTEX)
		{
			// read vertices:
			for (i = 0; i < e_it->count_ && !_in.eof(); ++i) {
				vh = _bi.add_vertex();

				v[0] = 0.0;
				v[1] = 0.0;
				v[2] = 0.0;

				n[0] = 0.0;
				n[1] = 0.0;
				n[2] = 0.0;

				t[0] = 0.0;
				t[1] = 0.0;

				c[0] = 0;
				c[1] = 0;
				c[2] = 0;
				c[3] = 255;

				for (size_t propertyIndex = 0; propertyIndex < e_it->properties_.size(); ++propertyIndex) {
					PropertyInfo prop = e_it->properties_[propertyIndex];
					switch (prop.property) {
					case XCOORD:
						_in >> v[0];
						break;
					case YCOORD:
						_in >> v[1];
						break;
					case ZCOORD:
						_in >> v[2];
						break;
					case XNORM:
						_in >> n[0];
						break;
					case YNORM:
						_in >> n[1];
						break;
					case ZNORM:
						_in >> n[2];
						break;
					case TEXX:
						_in >> t[0];
						break;
					case TEXY:
						_in >> t[1];
						break;
					case COLORRED:
						if (prop.value == ValueTypeFLOAT32 ||
							prop.value == ValueTypeFLOAT) {
							_in >> tmp;
							c[0] = static_cast<OpenMesh::Vec4i::value_type> (tmp * 255.0f);
						}
						else
							_in >> c[0];
						break;
					case COLORGREEN:
						if (prop.value == ValueTypeFLOAT32 ||
							prop.value == ValueTypeFLOAT) {
							_in >> tmp;
							c[1] = static_cast<OpenMesh::Vec4i::value_type> (tmp * 255.0f);
						}
						else
							_in >> c[1];
						break;
					case COLORBLUE:
						if (prop.value == ValueTypeFLOAT32 ||
							prop.value == ValueTypeFLOAT) {
							_in >> tmp;
							c[2] = static_cast<OpenMesh::Vec4i::value_type> (tmp * 255.0f);
						}
						else
							_in >> c[2];
						break;
					case COLORALPHA:
						if (prop.value == ValueTypeFLOAT32 ||
							prop.value == ValueTypeFLOAT) {
							_in >> tmp;
							c[3] = static_cast<OpenMesh::Vec4i::value_type> (tmp * 255.0f);
						}
						else
							_in >> c[3];
						break;
					case CUSTOM_PROP:
						if (_opt.check(Options::Custom))
							readCustomProperty<false>(_in, _bi, vh, prop.name, prop.value, prop.listIndexType);
						else
							_in >> trash;
						break;
					default:
						_in >> trash;
						break;
					}
				}

				_bi.set_point(vh, v);
				if (_opt.vertex_has_normal())
					_bi.set_normal(vh, n);
				if (_opt.vertex_has_texcoord())
					_bi.set_texcoord(vh, t);
				if (_opt.vertex_has_color())
					_bi.set_color(vh, Vec4uc(c));
			}
		}
		else if (e_it->element_ == FACE)
		{
			// faces
			for (i = 0; i < faceCount_ && !_in.eof(); ++i) {
				FaceHandle fh;
				for (size_t propertyIndex = 0; propertyIndex < e_it->properties_.size(); ++propertyIndex) {
					PropertyInfo prop = e_it->properties_[propertyIndex];
					switch (prop.property) {

					case VERTEX_INDICES:
						// nV = number of Vertices for current face
						_in >> nV;

						if (nV == 3) {
							vhandles.resize(3);
							_in >> j;
							_in >> k;
							_in >> l;

							vhandles[0] = VertexHandle(j);
							vhandles[1] = VertexHandle(k);
							vhandles[2] = VertexHandle(l);
						}
						else {
							vhandles.clear();
							for (j = 0; j < nV; ++j) {
								_in >> idx;
								vhandles.push_back(VertexHandle(idx));
							}
						}

						fh = _bi.add_face(vhandles);
						if (!fh.is_valid())
							++complex_faces;
						break;

					case CUSTOM_PROP:
						if (_opt.check(Options::Custom) && fh.is_valid())
							readCustomProperty<false>(_in, _bi, fh, prop.name, prop.value, prop.listIndexType);
						else
							_in >> trash;
						break;

					default:
						_in >> trash;
						break;
					}
				}

			}
		}
		else
		{
			// other elements
			for (i = 0; i < e_it->count_ && !_in.eof(); ++i) {
				for (size_t propertyIndex = 0; propertyIndex < e_it->properties_.size(); ++propertyIndex)
				{
					// just skip the values
					_in >> trash;
				}
			}
		}
	}
483

Jan Möbius's avatar
Jan Möbius committed
484
    if (err_enabled) 
485
      omerr().enable();
Jan Möbius's avatar
Jan Möbius committed
486 487 488

    if (complex_faces)
      omerr() << complex_faces << "The reader encountered invalid faces, that could not be added.\n";
489

490 491
    // File was successfully parsed.
    return true;
Jan Möbius's avatar
Jan Möbius committed
492 493 494 495
}

//-----------------------------------------------------------------------------

496
bool _PLYReader_::read_binary(std::istream& _in, BaseImporter& _bi, bool /*_swap*/, const Options& _opt) const {
Mike Kremer's avatar
Mike Kremer committed
497

498 499 500 501 502 503
    // Reparse the header
    if (!can_u_read(_in)) {
        omerr() << "[PLYReader] : Unable to parse header\n";
        return false;
    }

504 505
    OpenMesh::Vec3f        v, n;  // Vertex
    OpenMesh::Vec2f        t;  // TexCoords
506
    BaseImporter::VHandles vhandles;
507 508 509
    VertexHandle           vh;
    OpenMesh::Vec4i        c;  // Color
    float                  tmp;
510
	
511 512
    _bi.reserve(vertexCount_, 3* vertexCount_ , faceCount_);

513 514 515 516 517
    const bool err_enabled = omerr().is_enabled();
    size_t complex_faces = 0;
    if (err_enabled)
      omerr().disable();

518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697
	for (std::vector<ElementInfo>::iterator e_it = elements_.begin(); e_it != elements_.end(); ++e_it)
	{
		if (e_it->element_ == VERTEX)
		{
			// read vertices:
			for (unsigned int i = 0; i < e_it->count_ && !_in.eof(); ++i) {
				vh = _bi.add_vertex();

				v[0] = 0.0;
				v[1] = 0.0;
				v[2] = 0.0;

				n[0] = 0.0;
				n[1] = 0.0;
				n[2] = 0.0;

				t[0] = 0.0;
				t[1] = 0.0;

				c[0] = 0;
				c[1] = 0;
				c[2] = 0;
				c[3] = 255;

				for (size_t propertyIndex = 0; propertyIndex < e_it->properties_.size(); ++propertyIndex) {
					PropertyInfo prop = e_it->properties_[propertyIndex];
					switch (prop.property) {
					case XCOORD:
						readValue(prop.value, _in, v[0]);
						break;
					case YCOORD:
						readValue(prop.value, _in, v[1]);
						break;
					case ZCOORD:
						readValue(prop.value, _in, v[2]);
						break;
					case XNORM:
						readValue(prop.value, _in, n[0]);
						break;
					case YNORM:
						readValue(prop.value, _in, n[1]);
						break;
					case ZNORM:
						readValue(prop.value, _in, n[2]);
						break;
					case TEXX:
						readValue(prop.value, _in, t[0]);
						break;
					case TEXY:
						readValue(prop.value, _in, t[1]);
						break;
					case COLORRED:
						if (prop.value == ValueTypeFLOAT32 ||
							prop.value == ValueTypeFLOAT) {
							readValue(prop.value, _in, tmp);

							c[0] = static_cast<OpenMesh::Vec4i::value_type> (tmp * 255.0f);
						}
						else
							readInteger(prop.value, _in, c[0]);

						break;
					case COLORGREEN:
						if (prop.value == ValueTypeFLOAT32 ||
							prop.value == ValueTypeFLOAT) {
							readValue(prop.value, _in, tmp);
							c[1] = static_cast<OpenMesh::Vec4i::value_type> (tmp * 255.0f);
						}
						else
							readInteger(prop.value, _in, c[1]);

						break;
					case COLORBLUE:
						if (prop.value == ValueTypeFLOAT32 ||
							prop.value == ValueTypeFLOAT) {
							readValue(prop.value, _in, tmp);
							c[2] = static_cast<OpenMesh::Vec4i::value_type> (tmp * 255.0f);
						}
						else
							readInteger(prop.value, _in, c[2]);

						break;
					case COLORALPHA:
						if (prop.value == ValueTypeFLOAT32 ||
							prop.value == ValueTypeFLOAT) {
							readValue(prop.value, _in, tmp);
							c[3] = static_cast<OpenMesh::Vec4i::value_type> (tmp * 255.0f);
						}
						else
							readInteger(prop.value, _in, c[3]);

						break;
					case CUSTOM_PROP:
						if (_opt.check(Options::Custom))
							readCustomProperty<true>(_in, _bi, vh, prop.name, prop.value, prop.listIndexType);
						else
							consume_input(_in, scalar_size_[prop.value]);
						break;
					default:
						// Read unsupported property
						consume_input(_in, scalar_size_[prop.value]);
						break;
					}

				}

				_bi.set_point(vh, v);
				if (_opt.vertex_has_normal())
					_bi.set_normal(vh, n);
				if (_opt.vertex_has_texcoord())
					_bi.set_texcoord(vh, t);
				if (_opt.vertex_has_color())
					_bi.set_color(vh, Vec4uc(c));
			}
		} 
		else if (e_it->element_ == FACE) {
			for (unsigned i = 0; i < e_it->count_ && !_in.eof(); ++i) {
				FaceHandle fh;
				for (size_t propertyIndex = 0; propertyIndex < e_it->properties_.size(); ++propertyIndex)
				{
					PropertyInfo prop = e_it->properties_[propertyIndex];
					switch (prop.property) {

					case VERTEX_INDICES:
						// nV = number of Vertices for current face
						unsigned int nV;
						readInteger(prop.listIndexType, _in, nV);

						if (nV == 3) {
							vhandles.resize(3);
							unsigned int j, k, l;
							readInteger(prop.value, _in, j);
							readInteger(prop.value, _in, k);
							readInteger(prop.value, _in, l);

							vhandles[0] = VertexHandle(j);
							vhandles[1] = VertexHandle(k);
							vhandles[2] = VertexHandle(l);
						}
						else {
							vhandles.clear();
							for (unsigned j = 0; j < nV; ++j) {
								unsigned int idx;
								readInteger(prop.value, _in, idx);
								vhandles.push_back(VertexHandle(idx));
							}
						}

						fh = _bi.add_face(vhandles);
						if (!fh.is_valid())
							++complex_faces;
						break;

					case CUSTOM_PROP:
						if (_opt.check(Options::Custom) && fh.is_valid())
							readCustomProperty<true>(_in, _bi, fh, prop.name, prop.value, prop.listIndexType);
						else
							consume_input(_in, scalar_size_[prop.value]);
						break;

					default:
						consume_input(_in, scalar_size_[prop.value]);
						break;
					}
				}
			}
		} 
		else { 
			for (unsigned int i = 0; i < e_it->count_ && !_in.eof(); ++i)
			{
				for (size_t propertyIndex = 0; propertyIndex < e_it->properties_.size(); ++propertyIndex)
				{
					PropertyInfo prop = e_it->properties_[propertyIndex];
					// skip element values
					consume_input(_in, scalar_size_[prop.value]);
				}
			}
		}

	}
Jan Möbius's avatar
Jan Möbius committed
698
    if (err_enabled) 
699
      omerr().enable();
Jan Möbius's avatar
Jan Möbius committed
700 701 702 703

   if (complex_faces)
      omerr() << complex_faces << "The reader encountered invalid faces, that could not be added.\n";

704

705
    return true;
Jan Möbius's avatar
Jan Möbius committed
706 707 708
}


709 710 711
//-----------------------------------------------------------------------------


712
void _PLYReader_::readValue(ValueType _type, std::istream& _in, float& _value) const {
713

714 715 716 717 718 719 720 721 722 723 724 725
    switch (_type) {
    case ValueTypeFLOAT32:
    case ValueTypeFLOAT:
        float32_t tmp;
        restore(_in, tmp, options_.check(Options::MSB));
        _value = tmp;
        break;
    default:
        _value = 0.0;
        std::cerr << "unsupported conversion type to float: " << _type << std::endl;
        break;
    }
726 727
}

728 729 730 731 732 733 734

//-----------------------------------------------------------------------------


void _PLYReader_::readValue(ValueType _type, std::istream& _in, double& _value) const {

    switch (_type) {
735

736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757
        case ValueTypeFLOAT64:

        case ValueTypeDOUBLE:

            float64_t tmp;
            restore(_in, tmp, options_.check(Options::MSB));
            _value = tmp;

            break;

    default:

        _value = 0.0;
        std::cerr << "unsupported conversion type to double: " << _type << std::endl;

        break;
    }
}


//-----------------------------------------------------------------------------

758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778
void _PLYReader_::readValue(ValueType _type, std::istream& _in, unsigned char& _value) const{
  unsigned int tmp;
  readValue(_type,_in,tmp);
  _value = tmp;
}

//-----------------------------------------------------------------------------

void _PLYReader_::readValue(ValueType _type, std::istream& _in, unsigned short& _value) const{
  unsigned int tmp;
  readValue(_type,_in,tmp);
  _value = tmp;
}

//-----------------------------------------------------------------------------

void _PLYReader_::readValue(ValueType _type, std::istream& _in, signed char& _value) const{
  int tmp;
  readValue(_type,_in,tmp);
  _value = tmp;
}
779

780 781 782 783 784 785 786 787 788 789
//-----------------------------------------------------------------------------

void _PLYReader_::readValue(ValueType _type, std::istream& _in, short& _value) const{
  int tmp;
  readValue(_type,_in,tmp);
  _value = tmp;
}


//-----------------------------------------------------------------------------
790
void _PLYReader_::readValue(ValueType _type, std::istream& _in, unsigned int& _value) const {
791

792 793
    uint32_t tmp_uint32_t;
    uint16_t tmp_uint16_t;
794 795 796
    uint8_t tmp_uchar;

    switch (_type) {
797 798 799 800

        case ValueTypeUINT:

        case ValueTypeUINT32:
801

802 803 804
            restore(_in, tmp_uint32_t, options_.check(Options::MSB));
            _value = tmp_uint32_t;

805
        break;
806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830

        case ValueTypeUSHORT:

        case ValueTypeUINT16:

            restore(_in, tmp_uint16_t, options_.check(Options::MSB));
            _value = tmp_uint16_t;

            break;

        case ValueTypeUCHAR:

        case ValueTypeUINT8:

            restore(_in, tmp_uchar, options_.check(Options::MSB));
            _value = tmp_uchar;

            break;

        default:

            _value = 0;
            std::cerr << "unsupported conversion type to unsigned int: " << _type << std::endl;

            break;
831
    }
832 833
}

834 835 836 837

//-----------------------------------------------------------------------------


838
void _PLYReader_::readValue(ValueType _type, std::istream& _in, int& _value) const {
839

840
    int32_t tmp_int32_t;
841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890
    int16_t tmp_int16_t;
    int8_t tmp_char;

    switch (_type) {

        case ValueTypeINT:

        case ValueTypeINT32:

            restore(_in, tmp_int32_t, options_.check(Options::MSB));
            _value = tmp_int32_t;

            break;

        case ValueTypeSHORT:

        case ValueTypeINT16:

            restore(_in, tmp_int16_t, options_.check(Options::MSB));
            _value = tmp_int16_t;

            break;

        case ValueTypeCHAR:

        case ValueTypeINT8:

            restore(_in, tmp_char, options_.check(Options::MSB));
            _value = tmp_char;

            break;

        default:

            _value = 0;
            std::cerr << "unsupported conversion type to int: " << _type << std::endl;

            break;
    }
}


//-----------------------------------------------------------------------------


void _PLYReader_::readInteger(ValueType _type, std::istream& _in, int& _value) const {

    int32_t tmp_int32_t;
    uint32_t tmp_uint32_t;
    int8_t tmp_char;
891 892 893
    uint8_t tmp_uchar;

    switch (_type) {
894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909

        case ValueTypeINT:

        case ValueTypeINT32:

            restore(_in, tmp_int32_t, options_.check(Options::MSB));
            _value = tmp_int32_t;

            break;

        case ValueTypeUINT:

        case ValueTypeUINT32:

            restore(_in, tmp_uint32_t, options_.check(Options::MSB));
            _value = tmp_uint32_t;
910

911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936
            break;

        case ValueTypeCHAR:

        case ValueTypeINT8:

            restore(_in, tmp_char, options_.check(Options::MSB));
            _value = tmp_char;

            break;

        case ValueTypeUCHAR:

        case ValueTypeUINT8:

            restore(_in, tmp_uchar, options_.check(Options::MSB));
            _value = tmp_uchar;

            break;

        default:

            _value = 0;
            std::cerr << "unsupported conversion type to int: " << _type << std::endl;

            break;
937
    }
938 939
}

940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998

//-----------------------------------------------------------------------------


void _PLYReader_::readInteger(ValueType _type, std::istream& _in, unsigned int& _value) const {

    int32_t tmp_int32_t;
    uint32_t tmp_uint32_t;
    int8_t tmp_char;
    uint8_t tmp_uchar;

    switch (_type) {

        case ValueTypeUINT:

        case ValueTypeUINT32:

            restore(_in, tmp_uint32_t, options_.check(Options::MSB));
            _value = tmp_uint32_t;

            break;

        case ValueTypeINT:

        case ValueTypeINT32:

            restore(_in, tmp_int32_t, options_.check(Options::MSB));
            _value = tmp_int32_t;

            break;

        case ValueTypeUCHAR:

        case ValueTypeUINT8:

            restore(_in, tmp_uchar, options_.check(Options::MSB));
            _value = tmp_uchar;

            break;

        case ValueTypeCHAR:

        case ValueTypeINT8:

            restore(_in, tmp_char, options_.check(Options::MSB));
            _value = tmp_char;

            break;

        default:

            _value = 0;
            std::cerr << "unsupported conversion type to unsigned int: " << _type << std::endl;

            break;
    }
}


999 1000
//------------------------------------------------------------------------------

1001

Mike Kremer's avatar
Mike Kremer committed
1002
bool _PLYReader_::can_u_read(const std::string& _filename) const {
1003

1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014
    // !!! Assuming BaseReader::can_u_parse( std::string& )
    // does not call BaseReader::read_magic()!!!

    if (BaseReader::can_u_read(_filename)) {
        std::ifstream ifs(_filename.c_str());
        if (ifs.is_open() && can_u_read(ifs)) {
            ifs.close();
            return true;
        }
    }
    return false;
Jan Möbius's avatar
Jan Möbius committed
1015 1016
}

1017 1018


Jan Möbius's avatar
Jan Möbius committed
1019 1020
//-----------------------------------------------------------------------------

Mike Kremer's avatar
Mike Kremer committed
1021
std::string get_property_name(std::string _string1, std::string _string2) {
1022

1023 1024 1025 1026
    if (_string1 == "float32" || _string1 == "float64" || _string1 == "float" || _string1 == "double" ||
        _string1 == "int8" || _string1 == "uint8" || _string1 == "char" || _string1 == "uchar" ||
        _string1 == "int32" || _string1 == "uint32" || _string1 == "int" || _string1 == "uint" ||
        _string1 == "int16" || _string1 == "uint16" || _string1 == "short" || _string1 == "ushort")
1027
        return _string2;
Mike Kremer's avatar
Mike Kremer committed
1028

1029 1030 1031 1032
    if (_string2 == "float32" || _string2 == "float64" || _string2 == "float" || _string2 == "double" ||
        _string2 == "int8" || _string2 == "uint8" || _string2 == "char" || _string2 == "uchar" ||
        _string2 == "int32" || _string2 == "uint32" || _string2 == "int" || _string2 == "uint" ||
        _string2 == "int16" || _string2 == "uint16" || _string2 == "short" || _string2 == "ushort")
1033
        return _string1;
Mike Kremer's avatar
Mike Kremer committed
1034

1035

1036 1037
    std::cerr << "Unsupported entry type" << std::endl;
    return "Unsupported";
Jan Möbius's avatar
Jan Möbius committed
1038 1039 1040 1041
}

//-----------------------------------------------------------------------------

Mike Kremer's avatar
Mike Kremer committed
1042
_PLYReader_::ValueType get_property_type(std::string _string1, std::string _string2) {
1043

1044
    if (_string1 == "float32" || _string2 == "float32")
1045

1046
        return _PLYReader_::ValueTypeFLOAT32;
1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065

    else if (_string1 == "float64" || _string2 == "float64")

        return _PLYReader_::ValueTypeFLOAT64;

    else if (_string1 == "float" || _string2 == "float")

        return _PLYReader_::ValueTypeFLOAT;

    else if (_string1 == "double" || _string2 == "double")

        return _PLYReader_::ValueTypeDOUBLE;

    else if (_string1 == "int8" || _string2 == "int8")

        return _PLYReader_::ValueTypeINT8;

    else if (_string1 == "uint8" || _string2 == "uint8")

1066
        return _PLYReader_::ValueTypeUINT8;
1067 1068 1069 1070 1071

    else if (_string1 == "char" || _string2 == "char")

        return _PLYReader_::ValueTypeCHAR;

1072
    else if (_string1 == "uchar" || _string2 == "uchar")
1073

1074
        return _PLYReader_::ValueTypeUCHAR;
1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106

    else if (_string1 == "int32" || _string2 == "int32")

        return _PLYReader_::ValueTypeINT32;

    else if (_string1 == "uint32" || _string2 == "uint32")

        return _PLYReader_::ValueTypeUINT32;

    else if (_string1 == "int" || _string2 == "int")

        return _PLYReader_::ValueTypeINT;

    else if (_string1 == "uint" || _string2 == "uint")

        return _PLYReader_::ValueTypeUINT;

    else if (_string1 == "int16" || _string2 == "int16")

        return _PLYReader_::ValueTypeINT16;

    else if (_string1 == "uint16" || _string2 == "uint16")

        return _PLYReader_::ValueTypeUINT16;

    else if (_string1 == "short" || _string2 == "short")

        return _PLYReader_::ValueTypeSHORT;

    else if (_string1 == "ushort" || _string2 == "ushort")

        return _PLYReader_::ValueTypeUSHORT;
1107 1108

    return _PLYReader_::Unsupported;
Jan Möbius's avatar
Jan Möbius committed
1109 1110
}

1111

Jan Möbius's avatar
Jan Möbius committed
1112 1113
//-----------------------------------------------------------------------------

Mike Kremer's avatar
Mike Kremer committed
1114
bool _PLYReader_::can_u_read(std::istream& _is) const {
1115

1116 1117 1118
    // Clear per file options
    options_.cleanup();

1119 1120
    // clear element list
    elements_.clear();
1121 1122 1123 1124

    // read 1st line
    std::string line;
    std::getline(_is, line);
1125
    trim(line);
1126

Jan Möbius's avatar
Jan Möbius committed
1127
    // Handle '\r\n' newlines 
Jan Möbius's avatar
Jan Möbius committed
1128
    const size_t s = line.size();
Jan Möbius's avatar
Jan Möbius committed
1129 1130
    if( s > 0 && line[s - 1] == '\r') line.resize(s - 1); 

1131 1132 1133 1134 1135 1136 1137 1138
    //Check if this file is really a ply format
    if (line != "PLY" && line != "ply")
        return false;

    vertexCount_ = 0;
    faceCount_ = 0;
    vertexDimension_ = 0;

1139 1140
    unsigned int elementCount = 0;

1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162
    std::string keyword;
    std::string fileType;
    std::string elementName = "";
    std::string propertyName;
    std::string listIndexType;
    std::string listEntryType;
    float version;

    _is >> keyword;
    _is >> fileType;
    _is >> version;

    if (_is.bad()) {
        omerr() << "Defect PLY header detected" << std::endl;
        return false;
    }

    if (fileType == "ascii") {
        options_ -= Options::Binary;
    } else if (fileType == "binary_little_endian") {
        options_ += Options::Binary;
        options_ += Options::LSB;
1163 1164 1165
        //if (Endian::local() == Endian::MSB)

        //  options_ += Options::Swap;
1166 1167 1168
    } else if (fileType == "binary_big_endian") {
        options_ += Options::Binary;
        options_ += Options::MSB;
1169 1170 1171
        //if (Endian::local() == Endian::LSB)

        //  options_ += Options::Swap;
1172 1173 1174 1175 1176
    } else {
        omerr() << "Unsupported PLY format: " << fileType << std::endl;
        return false;
    }

Matthias Möller's avatar
Matthias Möller committed
1177
    std::streamoff streamPos = _is.tellg();
1178 1179 1180 1181 1182 1183 1184
    _is >> keyword;
    while (keyword != "end_header") {

        if (keyword == "comment") {
            std::getline(_is, line);
        } else if (keyword == "element") {
            _is >> elementName;
1185 1186 1187 1188 1189 1190
			_is >> elementCount;

			ElementInfo element;
			element.name_ = elementName;
			element.count_ = elementCount;

1191
            if (elementName == "vertex") {
1192 1193
				vertexCount_ = elementCount;
				element.element_ = VERTEX;
1194
            } else if (elementName == "face") {
1195 1196
				faceCount_ = elementCount;
				element.element_ = FACE;
1197 1198
            } else {
                omerr() << "PLY header unsupported element type: " << elementName << std::endl;
1199
				element.element_ = UNKNOWN;
1200
            }
1201 1202

			elements_.push_back(element);
1203 1204 1205 1206 1207 1208 1209 1210
        } else if (keyword == "property") {
            std::string tmp1;
            std::string tmp2;

            // Read first keyword, as it might be a list
            _is >> tmp1;

            if (tmp1 == "list") {
Matthias Möller's avatar
Matthias Möller committed
1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221
              _is >> listIndexType;
              _is >> listEntryType;
              _is >> propertyName;

              ValueType indexType = Unsupported;
              ValueType entryType = Unsupported;

              if (listIndexType == "uint8") {
                indexType = ValueTypeUINT8;
              } else if (listIndexType == "uchar") {
                indexType = ValueTypeUCHAR;
1222 1223
              } else if (listIndexType == "int") {
                indexType = ValueTypeINT;
Matthias Möller's avatar
Matthias Möller committed
1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237
              } else {
                omerr() << "Unsupported Index type for property list: " << listIndexType << std::endl;
                continue;
              }

              entryType = get_property_type(listEntryType, listEntryType);

              if (entryType == Unsupported) {
                omerr() << "Unsupported Entry type for property list: " << listEntryType << std::endl;
              }

                PropertyInfo property(CUSTOM_PROP, entryType, propertyName);
                property.listIndexType = indexType;

1238
				if (elementName == "face")
Matthias Möller's avatar
Matthias Möller committed
1239
                {
1240
                  // special case for vertex indices
Matthias Möller's avatar
Matthias Möller committed
1241 1242 1243
                  if (propertyName == "vertex_index" || propertyName == "vertex_indices")
                  {
                    property.property = VERTEX_INDICES;
1244 1245 1246 1247 1248 1249
                   
					if (!elements_.back().properties_.empty())
					{
						omerr() << "Custom face Properties defined, before 'vertex_indices' property was defined. They will be skipped" << std::endl;
						elements_.back().properties_.clear();
					}
Matthias Möller's avatar
Matthias Möller committed
1250
                  }
1251

Matthias Möller's avatar
Matthias Möller committed
1252 1253 1254
                }
                else
                  omerr() << "property " << propertyName << " belongs to unsupported element " << elementName << std::endl;
1255

1256 1257
				elements_.back().properties_.push_back(property);

Matthias Möller's avatar
Matthias Möller committed
1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331
            } else {
              // as this is not a list property, read second value of property
              _is >> tmp2;


              // Extract name and type of property
              // As the order seems to be different in some files, autodetect it.
              ValueType valueType = get_property_type(tmp1, tmp2);
              propertyName = get_property_name(tmp1, tmp2);

              PropertyInfo entry;

              //special treatment for some vertex properties.
              if (elementName == "vertex") {
                if (propertyName == "x") {
                  entry = PropertyInfo(XCOORD, valueType);
                  vertexDimension_++;
                } else if (propertyName == "y") {
                  entry = PropertyInfo(YCOORD, valueType);
                  vertexDimension_++;
                } else if (propertyName == "z") {
                  entry = PropertyInfo(ZCOORD, valueType);
                  vertexDimension_++;
                } else if (propertyName == "nx") {
                  entry = PropertyInfo(XNORM, valueType);
                  options_ += Options::VertexNormal;
                } else if (propertyName == "ny") {
                  entry = PropertyInfo(YNORM, valueType);
                  options_ += Options::VertexNormal;
                } else if (propertyName == "nz") {
                  entry = PropertyInfo(ZNORM, valueType);
                  options_ += Options::VertexNormal;
                } else if (propertyName == "u" || propertyName == "s") {
                  entry = PropertyInfo(TEXX, valueType);
                  options_ += Options::VertexTexCoord;
                } else if (propertyName == "v" || propertyName == "t") {
                  entry = PropertyInfo(TEXY, valueType);
                  options_ += Options::VertexTexCoord;
                } else if (propertyName == "red") {
                  entry = PropertyInfo(COLORRED, valueType);
                  options_ += Options::VertexColor;
                  if (valueType == ValueTypeFLOAT || valueType == ValueTypeFLOAT32)
                    options_ += Options::ColorFloat;
                } else if (propertyName == "green") {
                  entry = PropertyInfo(COLORGREEN, valueType);
                  options_ += Options::VertexColor;
                  if (valueType == ValueTypeFLOAT || valueType == ValueTypeFLOAT32)
                    options_ += Options::ColorFloat;
                } else if (propertyName == "blue") {
                  entry = PropertyInfo(COLORBLUE, valueType);
                  options_ += Options::VertexColor;
                  if (valueType == ValueTypeFLOAT || valueType == ValueTypeFLOAT32)
                    options_ += Options::ColorFloat;
                } else if (propertyName == "diffuse_red") {
                  entry = PropertyInfo(COLORRED, valueType);
                  options_ += Options::VertexColor;
                  if (valueType == ValueTypeFLOAT || valueType == ValueTypeFLOAT32)
                    options_ += Options::ColorFloat;
                } else if (propertyName == "diffuse_green") {
                  entry = PropertyInfo(COLORGREEN, valueType);
                  options_ += Options::VertexColor;
                  if (valueType == ValueTypeFLOAT || valueType == ValueTypeFLOAT32)
                    options_ += Options::ColorFloat;
                } else if (propertyName == "diffuse_blue") {
                  entry = PropertyInfo(COLORBLUE, valueType);
                  options_ += Options::VertexColor;
                  if (valueType == ValueTypeFLOAT || valueType == ValueTypeFLOAT32)
                    options_ += Options::ColorFloat;
                } else if (propertyName == "alpha") {
                  entry = PropertyInfo(COLORALPHA, valueType);
                  options_ += Options::VertexColor;
                  options_ += Options::ColorAlpha;
                  if (valueType == ValueTypeFLOAT || valueType == ValueTypeFLOAT32)
                    options_ += Options::ColorFloat;
1332
                }
Matthias Möller's avatar
Matthias Möller committed
1333 1334 1335 1336
              }

              //not a special property, load as custom
              if (entry.value == Unsupported){
1337 1338
                Property prop =  CUSTOM_PROP;
                options_ += Options::Custom;
1339
                entry  = PropertyInfo(prop, valueType, propertyName);
Matthias Möller's avatar
Matthias Möller committed
1340 1341 1342 1343
              }

              if (entry.property != UNSUPPORTED)
              {
1344
				elements_.back().properties_.push_back(entry);
Matthias Möller's avatar
Matthias Möller committed
1345
              }
1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362
            }

        } else {
            omlog() << "Unsupported keyword : " << keyword << std::endl;
        }

        streamPos = _is.tellg();
        _is >> keyword;
        if (_is.bad()) {
            omerr() << "Error while reading PLY file header" << std::endl;
            return false;
        }
    }

    // As the binary data is directy after the end_header keyword
    // and the stream removes too many bytes, seek back to the right position
    if (options_.is_binary()) {
1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373 1374 1375
        _is.seekg(streamPos);

        char c1 = 0;
        char c2 = 0;
        _is.get(c1);
        _is.get(c2);

        if (c1 == 0x0D && c2 == 0x0A) {
            _is.seekg(streamPos + 14);
        }
        else {
            _is.seekg(streamPos + 12);
        }
1376 1377 1378
    }

    return true;
Jan Möbius's avatar
Jan Möbius committed
1379 1380 1381 1382 1383 1384
}

//=============================================================================
} // namespace IO
} // namespace OpenMesh
//=============================================================================