PluginFunctions.cc 31.3 KB
Newer Older
1 2 3 4 5 6 7 8 9 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 39 40 41
/*===========================================================================*\
 *                                                                           *
 *                              OpenFlipper                                  *
 *      Copyright (C) 2001-2009 by Computer Graphics Group, RWTH Aachen      *
 *                           www.openflipper.org                             *
 *                                                                           *
 *---------------------------------------------------------------------------*
 *  This file is part of OpenFlipper.                                        *
 *                                                                           *
 *  OpenFlipper is free software: you can redistribute it and/or modify      *
 *  it under the terms of the GNU Lesser General Public License as           *
 *  published by the Free Software Foundation, either version 3 of           *
 *  the License, or (at your option) any later version with the              *
 *  following exceptions:                                                    *
 *                                                                           *
 *  If other files instantiate templates or use macros                       *
 *  or inline functions from this file, or you compile this file and         *
 *  link it with other files to produce an executable, this file does        *
 *  not by itself cause the resulting executable to be covered by the        *
 *  GNU Lesser General Public License. This exception does not however       *
 *  invalidate any other reasons why the executable file might be            *
 *  covered by the GNU Lesser General Public License.                        *
 *                                                                           *
 *  OpenFlipper is distributed in the hope that it will be useful,           *
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of           *
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the            *
 *  GNU Lesser General Public License for more details.                      *
 *                                                                           *
 *  You should have received a copy of the GNU LesserGeneral Public          *
 *  License along with OpenFlipper. If not,                                  *
 *  see <http://www.gnu.org/licenses/>.                                      *
 *                                                                           *
\*===========================================================================*/

/*===========================================================================*\
 *                                                                           *
 *   $Revision$                                                         *
 *   $Author$                                                      *
 *   $Date$                   *
 *                                                                           *
\*===========================================================================*/
42 43 44 45 46 47 48 49 50 51 52




//=============================================================================
//
//  Plugin Functions
//
//=============================================================================

#include <OpenFlipper/common/Types.hh>
53
#include <QGLWidget>
54 55

#include "PluginFunctions.hh"
56
#include "PluginFunctionsCore.hh"
57 58 59 60 61 62 63 64 65 66 67 68 69

namespace PluginFunctions {

 /** \brief DONT USE DIRECTLY!!
  *
  * This Pointer will be used to access the data trees root in the plugin. Never use it directly as
 *  the internal Structure will change. Use the Access functions instead */
static BaseObject* objectRoot_;

/** \brief DONT USE DIRECTLY!!
 *
 * This pointer is internally used to acces the examiner widget in the main apllication
 */
70
static std::vector< glViewer* > examiner_widgets_;
Jan Möbius's avatar
Jan Möbius committed
71

Dirk Wilden's avatar
Dirk Wilden committed
72 73 74 75 76 77
/** \brief DONT USE DIRECTLY!!
 *
 * This vector is used internally to access properties of all viewers
 */
static std::vector< Viewer::ViewerProperties* > viewerProperties_;

Jan Möbius's avatar
Jan Möbius committed
78
/// TODO : Remove this variable and implement multiView correctly here
79
static glViewer*  examiner_widget_;
Jan Möbius's avatar
Jan Möbius committed
80

Jan Möbius's avatar
Docu  
Jan Möbius committed
81
/// Contains the currently active examiner
Jan Möbius's avatar
Jan Möbius committed
82
static unsigned int activeExaminer_ = 0;
83 84 85

/** \brief DONT USE DIRECTLY!!
 *
86 87
 * The pointer to the beginning of the scenegraph nodes ( only the nodes belonging to objects )
 * Between the actual root node ( sceneGraphRootNode_ ) and this node global nodes could be added
88 89
 * This pointer is internally used to access the scenegraphs root node
 */
90 91 92 93 94 95
static SeparatorNode* dataRootNode_ = 0;

/** This node is used to add nodes between the root node of the scenegraph and the objects separator node.
* It is directly below the sceneGraphRootNode_
*/
static SeparatorNode* dataSeparatorNode_ = 0;
96

Jan Möbius's avatar
Docu  
Jan Möbius committed
97 98
/** \brief Scenegraph root node
 */
99
static SeparatorNode* sceneGraphRootNode_ = 0;
100

Jan Möbius's avatar
Docu  
Jan Möbius committed
101 102 103
/** \brief a dummy properties object returned as a reference if the real object does not exist
 *
 */
104 105
static Viewer::ViewerProperties dummyProperties;

106 107 108 109 110 111 112

/** \brief DONT USE DIRECTLY!!
 *
 * This pointer is used internally
 */
static ViewObjectMarker* defaultMarker_ = 0;

113 114 115 116 117 118
/** \brief DONT USE DIRECTLY!!
 *
 * This pointer is used internally
 */
static QGLWidget* shareGLWidget_ = 0;

119 120 121 122
/** This is a unique id for the running OpenFlipper instance. Use it to identify yourself on the network
*/
static int viewerId_ = 0;

123 124 125 126
void setDataRoot( BaseObject* _root ) {
   objectRoot_ = _root;
}

127 128 129 130
int viewers( ) {
  return examiner_widgets_.size();
}

131 132 133 134
int viewerId() {
  return viewerId_;
}

135 136
void setViewers( std::vector< glViewer* > _viewerWidgets ) {
   PluginFunctions::examiner_widgets_ = _viewerWidgets;
Jan Möbius's avatar
Jan Möbius committed
137
   PluginFunctions::examiner_widget_ =  examiner_widgets_[0];
138 139 140 141 142

   // Generate a (hopefully) unique viewer id
   QTime time = QTime::currentTime();
   qsrand( time.hour() * 10 + time.minute() * 100 + time.second() * 1000 + time.msec() * 10000  );
   viewerId_ = qrand();
Jan Möbius's avatar
Jan Möbius committed
143 144
}

Dirk Wilden's avatar
Dirk Wilden committed
145 146 147 148
void setViewerProperties( std::vector< Viewer::ViewerProperties* > _viewerProperties ) {
   PluginFunctions::viewerProperties_ = _viewerProperties;
}

149
void setActiveExaminer( const unsigned int _id ) {
Jan Möbius's avatar
Jan Möbius committed
150
  activeExaminer_ = _id;
151 152
}

153 154 155 156 157 158 159 160 161
glViewer* viewer(int  _viewerId ) {
   if ( _viewerId < 0 || _viewerId >= (int)examiner_widgets_.size() ) {
     std::cerr << "Requested unknown viewer with id : " << _viewerId << std::endl;
     return examiner_widgets_[activeExaminer()];
   }

   return( examiner_widgets_[_viewerId] );
}

162 163 164 165
unsigned int activeExaminer( ) {
  return activeExaminer_;
}

166 167 168 169 170 171
QString getEncodedExaminerView() {
  return getEncodedExaminerView(activeExaminer());
}

/// Get the encoded view for the given
QString getEncodedExaminerView(int _viewerId) {
Mike Kremer's avatar
Mike Kremer committed
172

173
  QString view;
Mike Kremer's avatar
Mike Kremer committed
174

175 176 177 178
  if ( _viewerId < 0 || _viewerId >= (int)examiner_widgets_.size() ) {
     std::cerr << "Requested unknown viewer with id : " << _viewerId << std::endl;
     examiner_widgets_[activeExaminer()]->encodeView ( view );
     return view;
Mike Kremer's avatar
Mike Kremer committed
179 180
  }

181 182
  examiner_widgets_[_viewerId]->encodeView ( view );
  return view;
Mike Kremer's avatar
Mike Kremer committed
183

184 185 186 187 188 189 190
}

void setEncodedExaminerView( QString _view ) {
  setEncodedExaminerView( activeExaminer() , _view );
}

void setEncodedExaminerView(int _viewerId , QString _view ) {
Mike Kremer's avatar
Mike Kremer committed
191

192 193 194
  if ( _viewerId < 0 || _viewerId >= (int)examiner_widgets_.size() ) {
     std::cerr << "Requested unknown viewer with id : " << _viewerId << std::endl;
     examiner_widgets_[activeExaminer()]->decodeView ( _view );
Mike Kremer's avatar
Mike Kremer committed
195 196
  }

197
  examiner_widgets_[_viewerId]->decodeView ( _view );
Mike Kremer's avatar
Mike Kremer committed
198 199
}

200 201 202
void setDataSeparatorNodes( SeparatorNode* _dataSeparatorNode ) {
  
  // The function should only be called once by the core. 
203

204 205 206 207 208 209 210 211 212 213 214 215 216 217
  // Set the separatorNode
  PluginFunctions::dataSeparatorNode_ = _dataSeparatorNode;

  
  if ( PluginFunctions::dataSeparatorNode_->nChildren() != 1 ){
    std::cerr << "Only one child allowed for dataSeparatorNode on initialization!" << std::endl;
    std::cerr << "The Core has initialized the scenegraph in a strange way!" << std::endl;
    ACG::SceneGraph::BaseNode* child = *(PluginFunctions::dataSeparatorNode_->childrenBegin());
  }
  
  // Set the root node for the data objects
  // which has to be a child of the dataSeparatorNode_
  PluginFunctions::dataRootNode_ = dynamic_cast<ACG::SceneGraph::SeparatorNode*> (*(PluginFunctions::dataSeparatorNode_->childrenBegin()) );
  
218 219
}

220
void setSceneGraphRootNode( SeparatorNode* _root_node ) {
221
   PluginFunctions::sceneGraphRootNode_ = _root_node;
222 223
}

224
bool getPickedObject(const unsigned int _node_idx , BaseObjectData*& _object) {
225
  for ( ObjectIterator o_it(PluginFunctions::ALL_OBJECTS) ; o_it != PluginFunctions::objectsEnd(); ++o_it) {
226 227 228 229 230 231 232 233 234
    if ( o_it->picked( _node_idx ) ) {
      _object = *o_it;
      return true;
    }
  }
  return false;
}


235
bool getSourceIdentifiers( std::vector<int>& _identifiers  ) {
236 237
  _identifiers.clear();

238
  for ( ObjectIterator o_it(PluginFunctions::ALL_OBJECTS) ; o_it != PluginFunctions::objectsEnd(); ++o_it) {
239 240 241 242 243 244
    if ( o_it->source() )
      _identifiers.push_back ( o_it->id() );
  }
  return (_identifiers.size() >0 );
}

245
bool getTargetIdentifiers( std::vector<int>& _identifiers  ) {
246 247
  _identifiers.clear();

248
  for ( ObjectIterator o_it(PluginFunctions::ALL_OBJECTS) ; o_it != PluginFunctions::objectsEnd(); ++o_it) {
249 250 251 252 253 254 255 256 257 258
    if ( o_it->target() )
      _identifiers.push_back ( o_it->id() );
  }
  return (_identifiers.size() >0 );
}

// ===============================================================================
// Get objects
// ===============================================================================

259
bool getObject(  const int _identifier , BaseObject*& _object ) {
260

261 262
  if ( _identifier == -1 )
    return false;
263

264 265 266 267
  _object = objectRoot_->childExists( _identifier );
  return ( _object != 0 );
}

268
bool getObject(  const int _identifier , BaseObjectData*& _object ) {
269

270 271
  if ( _identifier == -1 )
    return false;
272

273 274 275 276 277
  BaseObject* object = objectRoot_->childExists( _identifier );
  _object = dynamic_cast< BaseObjectData* >(object);
  return ( _object != 0 );
}

278 279 280 281 282 283 284 285
int getObjectId( const QString _name ) {

	if(_name.isEmpty()) return -1;

	BaseObject* object = objectRoot_->childExists( _name );
	return object->id();
}

286 287 288
// ===============================================================================
// ===============================================================================

289
bool object_exists(  const int _identifier ) {
290

291 292
  if ( _identifier == -1 )
    return false;
293

294 295 296 297 298 299
  BaseObject* object = objectRoot_->childExists( _identifier );
  return ( object != 0 );
}

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

300
bool getAllMeshes( std::vector<int>& _identifiers  ) {
301 302 303 304 305

  _identifiers.clear();

  // find changed manipulator
  for ( PluginFunctions::ObjectIterator o_it(PluginFunctions::ALL_OBJECTS,DATA_TRIANGLE_MESH) ;
306
                                        o_it != PluginFunctions::objectsEnd(); ++o_it)  {
307 308 309 310 311 312 313 314 315 316 317 318
    _identifiers.push_back( o_it->id() );
  }

  return (_identifiers.size() > 0);
}

bool get_all_object_identifiers( std::vector<int>& _identifiers  ) {

  _identifiers.clear();

  // find changed manipulator
  for ( PluginFunctions::ObjectIterator o_it(PluginFunctions::ALL_OBJECTS) ;
319
                                        o_it != PluginFunctions::objectsEnd(); ++o_it)  {
320 321 322 323 324 325 326
    _identifiers.push_back( o_it->id() );
  }

  return (_identifiers.size() > 0);
}

void setBackColor( OpenMesh::Vec4f _color) {
327
  for ( uint i = 0 ; i < examiner_widgets_.size(); ++i )
328
    PluginFunctions::viewerProperties(i).backgroundColor(_color);
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
void setFixedView(int _mode, int _viewer ) {

  if ( (_viewer != ACTIVE_VIEWER ) && ( ( _viewer < 0 ) || _viewer >= (int)examiner_widgets_.size()) ){
    std::cerr << "Unable to set fixed view. Wrong viewer id (" << _viewer << ")" << std::endl;
    return;
  }

  switch ( _mode ){
    case VIEW_TOP : //TOP
      PluginFunctions::viewingDirection( ACG::Vec3d(0.0, -1.0, 0.0), ACG::Vec3d(0.0, 0.0, -1.0), _viewer );
      PluginFunctions::allowRotation(false, _viewer);
      break;
    case VIEW_BOTTOM : //BOTTOM
      PluginFunctions::viewingDirection( ACG::Vec3d(0.0, 1.0, 0.0), ACG::Vec3d(0.0, 0.0, -1.0), _viewer );
      PluginFunctions::allowRotation(false, _viewer);
      break;
    case VIEW_LEFT : //LEFT
      PluginFunctions::viewingDirection( ACG::Vec3d(1.0, 0.0, 0.0), ACG::Vec3d(0.0, 1.0, 0.0), _viewer );
      PluginFunctions::allowRotation(false, _viewer);
      break;
    case VIEW_RIGHT : //RIGHT
      PluginFunctions::viewingDirection( ACG::Vec3d(-1.0, 0.0, 0.0), ACG::Vec3d(0.0, 1.0, 0.0), _viewer );
      PluginFunctions::allowRotation(false, _viewer);
      break;
    case VIEW_FRONT : //FRONT
      PluginFunctions::viewingDirection( ACG::Vec3d(0.0, 0.0, -1.0), ACG::Vec3d(0.0, 1.0, 0.0), _viewer );
      PluginFunctions::allowRotation(false, _viewer);
      break;
    case VIEW_BACK : //BACK
      PluginFunctions::viewingDirection( ACG::Vec3d(0.0, 0.0, 1.0), ACG::Vec3d(0.0, 1.0, 0.0), _viewer );
      PluginFunctions::allowRotation(false, _viewer);
      break;
    default : //Free View
      PluginFunctions::allowRotation(true, _viewer);
      break;
  }

  if ( _viewer == ACTIVE_VIEWER )
    viewerProperties(activeExaminer()).currentViewingDirection( _mode );
  else
    viewerProperties( _viewer ).currentViewingDirection( _mode );
}

374
QPoint mapToGlobal(const QPoint _point ) {
Jan Möbius's avatar
Jan Möbius committed
375
  return examiner_widgets_[activeExaminer_]->glMapToGlobal(_point);
376 377
}

378
QPoint mapToLocal( const QPoint _point ) {
Jan Möbius's avatar
Jan Möbius committed
379
  return examiner_widgets_[activeExaminer_]->glMapFromGlobal(_point);
380 381
}

382 383
void setDrawMode( const unsigned int _mode , int _viewer) {

Jan Möbius's avatar
Jan Möbius committed
384
  if ( _viewer == ACTIVE_VIEWER )
385 386
    viewerProperties(activeExaminer()).drawMode(_mode);
  else if ( _viewer == ALL_VIEWERS )
Jan Möbius's avatar
Jan Möbius committed
387
    for ( uint i = 0 ; i < examiner_widgets_.size(); ++i )
388
      viewerProperties(i).drawMode(_mode);
Jan Möbius's avatar
Jan Möbius committed
389
  else if ( ( _viewer >= 0 ) && _viewer < (int)examiner_widgets_.size() )
390
    viewerProperties(_viewer).drawMode(_mode);
391 392 393
  else
    std::cerr << "Requested illegal viewer for setting DrawMode!!" << std::endl;

394 395 396 397 398 399 400
}

/** Get the current draw Mode of the examiner widget.\n
 *
 * The DrawModes are defined at ACG/Scenegraph/DrawModes.hh \n
 * They can be combined.
 */
401 402
unsigned int drawMode( int _viewer ) {
  if ( _viewer == ACTIVE_VIEWER ) {
403
    return viewerProperties(activeExaminer()).drawMode();
404 405 406
  } else if ( _viewer == ALL_VIEWERS )
    std::cerr << "Please select viewer to get viewing direction!" << std::endl;
  else if ( ( _viewer >= 0 ) && _viewer < (int)examiner_widgets_.size() )
407
    return viewerProperties(_viewer).drawMode();
408 409
  else
    std::cerr << "Requested illegal viewer for viewingDirection!!" << std::endl;
410

411
  return viewerProperties(activeExaminer()).drawMode();
412 413
}

414
bool scenegraphPick( ACG::SceneGraph::PickTarget _pickTarget, const QPoint &_mousePos, unsigned int &_nodeIdx, unsigned int &_targetIdx, ACG::Vec3d *_hitPointPtr=0 ) {
Jan Möbius's avatar
Jan Möbius committed
415 416 417 418

   return examiner_widgets_[activeExaminer_]->pick( _pickTarget,_mousePos,_nodeIdx,_targetIdx,_hitPointPtr );
}

419
bool scenegraphPick( const unsigned int _examiner, ACG::SceneGraph::PickTarget _pickTarget, const QPoint &_mousePos, unsigned int &_nodeIdx, unsigned int &_targetIdx, ACG::Vec3d *_hitPointPtr=0 ) {
Jan Möbius's avatar
Jan Möbius committed
420 421 422 423 424 425

  if ( _examiner >= examiner_widgets_.size() ) {
    std::cerr << "Wrong examiner id" << std::endl;
    return false;
  }
  return examiner_widgets_[_examiner]->pick( _pickTarget,_mousePos,_nodeIdx,_targetIdx,_hitPointPtr );
426 427
}

Jan Möbius's avatar
Jan Möbius committed
428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447
bool scenegraphRegionPick( ACG::SceneGraph::PickTarget                _pickTarget,
                           const QRegion&                             _region,
                           QList<QPair<unsigned int, unsigned int> >& _list)
{
  return examiner_widgets_[activeExaminer_]->pick_region( _pickTarget, _region, _list);
}

bool scenegraphRegionPick( const unsigned int                         _examiner,
                           ACG::SceneGraph::PickTarget                _pickTarget,
                           const QRegion&                             _region,
                           QList<QPair<unsigned int, unsigned int> >& _list)
{
  if ( _examiner >= examiner_widgets_.size() ) {
    std::cerr << "Wrong examiner id" << std::endl;
    return false;
  }
  return examiner_widgets_[_examiner]->pick_region( _pickTarget, _region, _list);
}


448 449 450

//Warning : Dont use template function as external static pointer for examiner widget is not resolved correctly!!
void traverse( ACG::SceneGraph::MouseEventAction  &_action ) {
451
   ACG::SceneGraph::traverse(sceneGraphRootNode_,
452
                             _action,viewerProperties().glState() );
453 454
}

Jan Möbius's avatar
Jan Möbius committed
455
//Warning : Dont use template function as external static pointer for examiner widget is not resolved correctly!!
456
void traverse( const unsigned int _examiner, ACG::SceneGraph::MouseEventAction  &_action ) {
Jan Möbius's avatar
Jan Möbius committed
457 458 459 460 461 462

  if ( _examiner >= examiner_widgets_.size() ) {
    std::cerr << "Wrong examiner id" << std::endl;
    return;
  }

463
  ACG::SceneGraph::traverse(sceneGraphRootNode_, _action,viewerProperties(_examiner).glState() );
Jan Möbius's avatar
Jan Möbius committed
464 465 466
}


467
const std::string pickMode () {
468
  // No seperate draw modes available all should have the same so take first
469
  return viewerProperties().pickMode();
470 471 472
}

void pickMode ( std::string _mode) {
473 474
  // switch to default marker
  setViewObjectMarker (defaultViewObjectMarker ());
475
  viewerProperties().pickMode(_mode);
Jan Möbius's avatar
Jan Möbius committed
476 477
}

478 479
Viewer::ActionMode actionMode() {
   return viewerProperties().actionMode();
480 481
}

482 483
void actionMode ( Viewer::ActionMode _mode) {

484
  viewerProperties().actionMode(_mode);
485 486
}

487 488 489 490 491 492 493 494 495 496
void shareGLWidget (QGLWidget *_widget)
{
  shareGLWidget_ = _widget;
}

QGLWidget *shareGLWidget ()
{
  return shareGLWidget_;
}

497
void getCurrentViewImage(QImage& _image) {
498
  viewer( activeExaminer() )->snapshot( _image, true );
499 500
}

501
Viewer::ViewerProperties& viewerProperties(int _id) {
Dirk Wilden's avatar
Dirk Wilden committed
502
  if ( _id >= (int)viewerProperties_.size() ) {
503 504 505 506 507 508 509
    std::cerr << " Error, requested properties for non-existing Viewer!" << std::endl;
    return dummyProperties;
  }

  if ( _id == -1 )
    _id = activeExaminer_;

Dirk Wilden's avatar
Dirk Wilden committed
510
  return ( *viewerProperties_[_id] );
511

512 513
}

Jan Möbius's avatar
Jan Möbius committed
514 515 516 517 518 519 520 521 522 523
void perspectiveProjection( int _viewer ) {
  if ( _viewer == ACTIVE_VIEWER ) {
    examiner_widgets_[activeExaminer_]->perspectiveProjection();
  } else if ( _viewer == ALL_VIEWERS )
    for ( uint i = 0 ; i < examiner_widgets_.size(); ++i )
      examiner_widgets_[i]->perspectiveProjection();
  else if ( ( _viewer >= 0 ) && _viewer < (int)examiner_widgets_.size() )
    examiner_widgets_[_viewer]->perspectiveProjection();
  else
    std::cerr << "Requested illegal viewer for perspectiveProjection()!!" << std::endl;
524 525
}

Jan Möbius's avatar
Jan Möbius committed
526 527 528 529 530 531 532 533 534 535
void orthographicProjection( int _viewer ) {
  if ( _viewer == ACTIVE_VIEWER ) {
    examiner_widgets_[activeExaminer_]->orthographicProjection();
  } else if ( _viewer == ALL_VIEWERS )
    for ( uint i = 0 ; i < examiner_widgets_.size(); ++i )
      examiner_widgets_[i]->orthographicProjection();
  else if ( ( _viewer >= 0 ) && _viewer < (int)examiner_widgets_.size() )
    examiner_widgets_[_viewer]->orthographicProjection();
  else
    std::cerr << "Requested illegal viewer for orthographicProjection()!!" << std::endl;
536 537
}

538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558
void allowRotation(bool _mode, int _viewer ) {
  if ( _viewer == ACTIVE_VIEWER ) {
    examiner_widgets_[activeExaminer_]->allowRotation(_mode);
  } else if ( _viewer == ALL_VIEWERS )
    for ( uint i = 0 ; i < examiner_widgets_.size(); ++i )
      examiner_widgets_[i]->allowRotation(_mode);
  else if ( ( _viewer >= 0 ) && _viewer < (int)examiner_widgets_.size() )
    examiner_widgets_[_viewer]->allowRotation(_mode);
  else
    std::cerr << "Requested illegal viewer for allowRotation!!" << std::endl;
}

bool allowRotation( int _viewer ) {

  if ( ( _viewer >= 0 ) && _viewer < (int)examiner_widgets_.size() )
    return examiner_widgets_[_viewer]->allowRotation();
  else {

    std::cerr << "Requested illegal viewer for isRotationAllowed!!" << std::endl;
    return false;
  }
559 560
}

561 562 563 564
void setMainGLContext() {
  examiner_widget_->makeCurrent();
}

565 566 567 568 569 570 571 572 573 574
void viewingDirection(const ACG::Vec3d &_dir, const ACG::Vec3d &_up , int _viewer ) {
  if ( _viewer == ACTIVE_VIEWER ) {
    examiner_widgets_[activeExaminer_]->viewingDirection(_dir,_up);
  } else if ( _viewer == ALL_VIEWERS )
    for ( uint i = 0 ; i < examiner_widgets_.size(); ++i )
      examiner_widgets_[i]->viewingDirection(_dir,_up);
  else if ( ( _viewer >= 0 ) && _viewer < (int)examiner_widgets_.size() )
    examiner_widgets_[_viewer]->viewingDirection(_dir,_up);
  else
    std::cerr << "Requested illegal viewer for viewingDirection!!" << std::endl;
575 576
}

577 578 579 580 581 582 583 584 585 586
const ACG::Vec3d trackBallCenter(const ACG::Vec3d& _center, int _viewer ) {
  if ( _viewer == ACTIVE_VIEWER ) {
    return examiner_widgets_[activeExaminer_]->trackBallCenter();
  } else if ( _viewer == ALL_VIEWERS )
    for ( uint i = 0 ; i < examiner_widgets_.size(); ++i )
      return examiner_widgets_[i]->trackBallCenter(  );
    else if ( ( _viewer >= 0 ) && _viewer < (int)examiner_widgets_.size() )
      return examiner_widgets_[_viewer]->trackBallCenter(  );
    else
      std::cerr << "Requested illegal viewer for setTrackBallCenter!!" << std::endl;
Jan Möbius's avatar
Jan Möbius committed
587 588

  return examiner_widgets_[activeExaminer_]->trackBallCenter();
589 590 591 592 593 594 595 596 597 598 599 600 601 602
}

void setTrackBallCenter(const ACG::Vec3d& _center, int _viewer ) {
  if ( _viewer == ACTIVE_VIEWER ) {
    examiner_widgets_[activeExaminer_]->setTrackBallCenter( _center );
  } else if ( _viewer == ALL_VIEWERS )
    for ( uint i = 0 ; i < examiner_widgets_.size(); ++i )
      examiner_widgets_[i]->setTrackBallCenter( _center );
    else if ( ( _viewer >= 0 ) && _viewer < (int)examiner_widgets_.size() )
      examiner_widgets_[_viewer]->setTrackBallCenter( _center );
    else
      std::cerr << "Requested illegal viewer for setTrackBallCenter!!" << std::endl;
}

603 604 605 606 607 608 609 610 611 612
void setScenePos(const ACG::Vec3d& _center,const double _radius, int _viewer ) {
  if ( _viewer == ACTIVE_VIEWER ) {
    examiner_widgets_[activeExaminer_]->setScenePos( _center, _radius );
  } else if ( _viewer == ALL_VIEWERS )
    for ( uint i = 0 ; i < examiner_widgets_.size(); ++i )
      examiner_widgets_[i]->setScenePos( _center, _radius );
  else if ( ( _viewer >= 0 ) && _viewer < (int)examiner_widgets_.size() )
    examiner_widgets_[_viewer]->setScenePos( _center, _radius );
  else
    std::cerr << "Requested illegal viewer for setScenePos!!" << std::endl;
613 614
}

615 616 617 618 619 620 621 622 623 624
void setScenePos(const ACG::Vec3d& _center, int _viewer ) {
  if ( _viewer == ACTIVE_VIEWER ) {
    examiner_widgets_[activeExaminer_]->setScenePos( _center, examiner_widgets_[activeExaminer_]->scene_radius() );
  } else if ( _viewer == ALL_VIEWERS )
    for ( uint i = 0 ; i < examiner_widgets_.size(); ++i )
      examiner_widgets_[i]->setScenePos( _center, examiner_widgets_[i]->scene_radius() );
  else if ( ( _viewer >= 0 ) && _viewer < (int)examiner_widgets_.size() )
    examiner_widgets_[_viewer]->setScenePos( _center, examiner_widgets_[_viewer]->scene_radius() );
  else
    std::cerr << "Requested illegal viewer for setScenePos!!" << std::endl;
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
void setSceneCenter(const ACG::Vec3d& _center, int _viewer) {

	if (_viewer == ACTIVE_VIEWER) {

		examiner_widgets_[activeExaminer_]->setSceneCenter(_center);
	} else if (_viewer == ALL_VIEWERS) {

		for (uint i = 0; i < examiner_widgets_.size(); ++i) {

			examiner_widgets_[i]->setSceneCenter(_center);
		}
	} else if ((_viewer >= 0) && _viewer < (int) examiner_widgets_.size()) {

		examiner_widgets_[_viewer]->setSceneCenter(_center);
	} else {
		std::cerr << "Requested illegal viewer for setSceneCenter!!"
				<< std::endl;
	}
}

const ACG::Vec3d& sceneCenter(int _viewer) {

	if (_viewer == ACTIVE_VIEWER) {
		return examiner_widgets_[activeExaminer_]->scene_center();
	} else if (_viewer == ALL_VIEWERS)
		std::cerr << "Please select viewer to get viewing direction!"
				<< std::endl;
	else if ((_viewer >= 0) && _viewer < (int) examiner_widgets_.size())
		return examiner_widgets_[_viewer]->scene_center();
	else
		std::cerr << "Requested illegal viewer for sceneCenter!!" << std::endl;
Jan Möbius's avatar
Jan Möbius committed
658

659
	return examiner_widgets_[activeExaminer_]->scene_center();
660 661 662
}

double sceneRadius() {
663
   return examiner_widgets_[activeExaminer_]->scene_radius();
664 665
}

666 667 668 669 670 671 672 673 674
double sceneRadius( int _viewer ) {
  if ( _viewer == ACTIVE_VIEWER ) {
    return examiner_widgets_[activeExaminer_]->scene_radius();
  } else if ( _viewer == ALL_VIEWERS )
    std::cerr << "Illegal request for scene radius. Please select one viewer!" << std::endl;
  else if ( ( _viewer >= 0 ) && _viewer < (int)examiner_widgets_.size() )
    return examiner_widgets_[_viewer]->scene_radius();
  else
    std::cerr << "Requested illegal viewer for translate!!" << std::endl;
Mike Kremer's avatar
Mike Kremer committed
675

676 677 678
  return -1;
}

679 680 681 682 683 684 685 686 687 688
void translate( const ACG::Vec3d &_vector , int _viewer ) {
  if ( _viewer == ACTIVE_VIEWER ) {
    examiner_widgets_[activeExaminer_]->translate(_vector);
  } else if ( _viewer == ALL_VIEWERS )
    for ( uint i = 0 ; i < examiner_widgets_.size(); ++i )
      examiner_widgets_[i]->translate(_vector);
  else if ( ( _viewer >= 0 ) && _viewer < (int)examiner_widgets_.size() )
    examiner_widgets_[_viewer]->translate(_vector);
  else
    std::cerr << "Requested illegal viewer for translate!!" << std::endl;
689 690
}

691
void rotate(const ACG::Vec3d&  _axis,
692
            const double       _angle,
693 694
            const ACG::Vec3d&  _center,
            int                _viewer )
695
{
696 697 698 699 700 701 702 703 704
  if ( _viewer == ACTIVE_VIEWER ) {
    examiner_widgets_[activeExaminer_]->rotate(_axis,_angle,_center);
  } else if ( _viewer == ALL_VIEWERS )
    for ( uint i = 0 ; i < examiner_widgets_.size(); ++i )
      examiner_widgets_[i]->rotate(_axis,_angle,_center);
  else if ( ( _viewer >= 0 ) && _viewer < (int)examiner_widgets_.size() )
    examiner_widgets_[_viewer]->rotate(_axis,_angle,_center);
  else
    std::cerr << "Requested illegal viewer for rotate!!" << std::endl;
705 706
}

707 708 709 710 711 712 713 714 715 716
void viewHome(int _viewer) {
  if ( _viewer == ACTIVE_VIEWER ) {
    examiner_widgets_[activeExaminer_]->home();
  } else if ( _viewer == ALL_VIEWERS )
    for ( uint i = 0 ; i < examiner_widgets_.size(); ++i )
      examiner_widgets_[i]->home();
  else if ( ( _viewer >= 0 ) && _viewer < (int)examiner_widgets_.size() )
    examiner_widgets_[_viewer]->home();
  else
    std::cerr << "Requested illegal viewer for viewHome!!" << std::endl;
717 718
}

719 720 721 722 723 724 725 726 727 728
void viewAll(int _viewer) {
  if ( _viewer == ACTIVE_VIEWER ) {
    examiner_widgets_[activeExaminer_]->viewAll();
  } else if ( _viewer == ALL_VIEWERS )
    for ( uint i = 0 ; i < examiner_widgets_.size(); ++i )
      examiner_widgets_[i]->viewAll();
  else if ( ( _viewer >= 0 ) && _viewer < (int)examiner_widgets_.size() )
    examiner_widgets_[_viewer]->viewAll();
  else
    std::cerr << "Requested illegal viewer for viewAll!!" << std::endl;
729 730
}

731 732 733 734 735 736 737 738 739 740
ACG::Vec3d viewingDirection(int _viewer) {
  if ( _viewer == ACTIVE_VIEWER ) {
    return viewerProperties(activeExaminer_).glState().viewing_direction();
  } else if ( _viewer == ALL_VIEWERS )
    std::cerr << "Please select viewer to get viewing direction!" << std::endl;
  else if ( ( _viewer >= 0 ) && _viewer < (int)examiner_widgets_.size() )
    return viewerProperties(_viewer).glState().viewing_direction();
  else
    std::cerr << "Requested illegal viewer for viewingDirection!!" << std::endl;

741
  return viewerProperties().glState().viewing_direction();
742 743
}

744 745 746 747 748 749 750 751 752 753 754 755 756 757 758
bool isProjectionOrthographic( int _viewer ) {

  if ( ( _viewer >= 0 ) && _viewer < (int)examiner_widgets_.size() ){

    if ( examiner_widgets_[_viewer]->projectionMode() == 0) //ORTHOGRAPHIC_PROJECTION
      return true;
    else
      return false;

  } else
    std::cerr << "Requested illegal viewer for isProjectionOrthographic!!" << std::endl;

  return false;
}

759 760 761 762 763 764 765 766 767 768
ACG::Vec3d eyePos(int _viewer) {
  if ( _viewer == ACTIVE_VIEWER ) {
    return viewerProperties(activeExaminer_).glState().eye();
  } else if ( _viewer == ALL_VIEWERS )
    std::cerr << "Please select viewer to get eyePos!" << std::endl;
  else if ( ( _viewer >= 0 ) && _viewer < (int)examiner_widgets_.size() )
    return viewerProperties(_viewer).glState().eye();
  else
    std::cerr << "Requested illegal viewer for eyePos!!" << std::endl;

769
  return viewerProperties().glState().eye();
770 771
}

772 773 774 775 776 777 778 779 780 781
ACG::Vec3d upVector(int _viewer) {
  if ( _viewer == ACTIVE_VIEWER ) {
    return viewerProperties(activeExaminer_).glState().up();
  } else if ( _viewer == ALL_VIEWERS )
    std::cerr << "Please select viewer to get up vector!" << std::endl;
  else if ( ( _viewer >= 0 ) && _viewer < (int)examiner_widgets_.size() )
    return viewerProperties(_viewer).glState().up();
  else
    std::cerr << "Requested illegal viewer for up vector!!" << std::endl;

782
  return viewerProperties().glState().up();
783 784
}

785 786
void setViewObjectMarker(ViewObjectMarker * _marker)
{
Jan Möbius's avatar
Jan Möbius committed
787 788
  for ( uint i = 0 ; i < examiner_widgets_.size(); ++i )
    PluginFunctions::viewerProperties(i).objectMarker(_marker);
789 790 791 792 793 794 795 796 797 798 799 800 801
}

void setDefaultViewObjectMarker(ViewObjectMarker * _marker)
{
  defaultMarker_ = _marker;
}

ViewObjectMarker * defaultViewObjectMarker()
{
  return defaultMarker_;
}


802
ACG::SceneGraph::BaseNode* getSceneGraphRootNode() {
803
   return PluginFunctions::sceneGraphRootNode_;
804 805
}

806
ACG::SceneGraph::BaseNode* getRootNode() {
807
  return PluginFunctions::dataRootNode_;
808 809
}

810 811 812
void addGlobalNode(ACG::SceneGraph::BaseNode* _node){
  if (PluginFunctions::sceneGraphRootNode_)
    _node->set_parent( PluginFunctions::sceneGraphRootNode_ );
813 814 815
}


816 817 818 819 820 821 822 823 824 825 826
void addObjectRenderingNode(ACG::SceneGraph::BaseNode* _node){
  if (PluginFunctions::sceneGraphRootNode_){
    
    // get the current parent Node 
    ACG::SceneGraph::BaseNode* parent = dataRootNode_->parent();

    // Move the node to the new parent
    _node->set_parent(parent);
    
    // move dataRootNode_ to the new parent
    dataRootNode_->set_parent(_node);
827
  }
828
  
829 830
}

831
int objectCount() {
832 833 834 835 836

  int count = 0;

  // find changed manipulator
  for ( PluginFunctions::ObjectIterator o_it(PluginFunctions::ALL_OBJECTS) ;
837
                                        o_it != PluginFunctions::objectsEnd(); ++o_it)  {
838 839 840 841 842 843 844
    ++count;
  }

  return ( count );

}

845
int targetCount() {
846 847 848 849 850

  int count = 0;

  // find changed manipulator
  for ( PluginFunctions::ObjectIterator o_it(PluginFunctions::TARGET_OBJECTS) ;
851
                                        o_it != PluginFunctions::objectsEnd(); ++o_it)  {
852 853 854 855 856 857
    ++count;
  }

  return ( count );
}

858
int sourceCount() {
859 860 861 862
  int count = 0;

  // find changed manipulator
  for ( PluginFunctions::ObjectIterator o_it(PluginFunctions::SOURCE_OBJECTS) ;
863
                                        o_it != PluginFunctions::objectsEnd(); ++o_it)  {
864 865 866 867 868 869
    ++count;
  }

  return ( count );
}

870
int visibleCount() {
871 872 873 874
  int count = 0;

  // find changed manipulator
  for ( PluginFunctions::ObjectIterator o_it(PluginFunctions::ALL_OBJECTS) ;
875
                                        o_it != PluginFunctions::objectsEnd(); ++o_it)  {
876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894
    if ( o_it->visible() )
    ++count;
  }

  return ( count );

}


/** Returns a vector containing all currently available objects
 *
 * @param _objects vector of all objects
 */
void get_all_objects( std::vector < BaseObjectData*>& _objects ) {

   _objects.clear();

  // find changed manipulator
  for ( PluginFunctions::ObjectIterator o_it(PluginFunctions::ALL_OBJECTS,DATA_TRIANGLE_MESH) ;
895
                                        o_it != PluginFunctions::objectsEnd(); ++o_it)  {
896 897 898 899 900 901
    _objects.push_back( *o_it );
  }

}

///   Fly to point and viewing direction (animated).
902
void   flyTo (const ACG::Vec3d &_position, const ACG::Vec3d &_center, double _time) {
903
   examiner_widgets_[activeExaminer_]->flyTo(_position,_center,_time);
904 905 906 907 908 909 910 911 912 913
}


// ===============================================================================
// Getting data from objects and casting between them
// ===============================================================================

BaseObjectData* baseObjectData( BaseObject* _object ){
  if ( _object == 0 )
    return 0;
914

915 916 917 918 919 920
  return dynamic_cast< BaseObjectData* >(_object);
}

// ===============================================================================
// Get the root of the object structure
// ===============================================================================
Jan Möbius's avatar
Jan Möbius committed
921
BaseObject*& objectRoot() {
922 923 924 925
  return (objectRoot_);
}

}