QtBaseViewer.cc 64.2 KB
Newer Older
Jan Möbius's avatar
Jan Möbius committed
1 2 3
/*===========================================================================*\
*                                                                            *
*                              OpenFlipper                                   *
Jan Möbius's avatar
Jan Möbius committed
4
*      Copyright (C) 2001-2011 by Computer Graphics Group, RWTH Aachen       *
Jan Möbius's avatar
Jan Möbius committed
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
*                           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/>.                                       *
*                                                                            *
33 34 35
\*===========================================================================*/

/*===========================================================================*\
Jan Möbius's avatar
Jan Möbius committed
36 37 38 39 40
*                                                                            *
*   $Revision$                                                       *
*   $LastChangedBy$                                                *
*   $Date$                     *
*                                                                            *
41
\*===========================================================================*/
Jan Möbius's avatar
 
Jan Möbius committed
42 43 44 45 46 47




//=============================================================================
//
Jan Möbius's avatar
 
Jan Möbius committed
48
//  CLASS glViewer - IMPLEMENTATION
Jan Möbius's avatar
 
Jan Möbius committed
49 50 51 52 53 54 55
//
//=============================================================================


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

#include "QtBaseViewer.hh"
Jan Möbius's avatar
Jan Möbius committed
56
#include "QtGLViewerLayout.hh"
Jan Möbius's avatar
Dennis:  
Jan Möbius committed
57
#include "CursorPainter.hh"
Jan Möbius's avatar
 
Jan Möbius committed
58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96
#include <ACG/QtWidgets/QtWheel.hh>
#include <ACG/Scenegraph/DrawModes.hh>
#include <ACG/GL/gl.hh>

#include <iostream>
#include <string>
#include <assert.h>

#include <QMimeData>
#include <QToolButton>
#include <QFrame>

#include <QClipboard>
#include <QApplication>
#include <QSplitter>
#include <QLayout>
#include <QPushButton>
#include <QLabel>
#include <QImage>
#include <QColorDialog>
#include <QToolTip>
#include <QTextStream>
#include <QDateTime>
#include <QTimer>

#include <QDesktopWidget>
#include <QMouseEvent>
#include <QVBoxLayout>
#include <QKeyEvent>
#include <QGridLayout>
#include <QContextMenuEvent>
#include <QWheelEvent>
#include <QDropEvent>
#include <QPixmap>
#include <QMenu>
#include <QVariant>
#include <QButtonGroup>
#include <QToolBar>

97 98
#include <QGraphicsView>
#include <QGraphicsScene>
Jan Möbius's avatar
 
Jan Möbius committed
99 100 101
#include <QGraphicsWidget>
#include <QGraphicsGridLayout>
#include <QGraphicsProxyWidget>
102
#include <QGLFramebufferObjectFormat>
Jan Möbius's avatar
 
Jan Möbius committed
103 104
#include <QPainter>
#include <QPaintEngine>
Jan Möbius's avatar
 
Jan Möbius committed
105

106 107
#include <QImageWriter>

Jan Möbius's avatar
 
Jan Möbius committed
108 109 110 111 112 113 114 115
#ifdef max
#  undef max
#endif

#ifdef min
#  undef min
#endif

116
#include <OpenFlipper/BasePlugin/PluginFunctions.hh>
Jan Möbius's avatar
Jan Möbius committed
117
#include <OpenFlipper/common/ViewObjectMarker.hh>
Jan Möbius's avatar
 
Jan Möbius committed
118

Jan Möbius's avatar
Dennis:  
Jan Möbius committed
119 120
#include <OpenFlipper/common/GlobalOptions.hh>

121 122
#include <QGLFramebufferObject>

123 124 125
#include <OpenFlipper/Core/RendererInfo.hh>
#include <OpenFlipper/BasePlugin/PostProcessorInterface.hh>

Jan Möbius's avatar
 
Jan Möbius committed
126 127 128 129 130 131 132 133 134 135 136 137
//== NAMESPACES ===============================================================



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

static const char          VIEW_MAGIC[] =
  "ACG::QtWidgets::QGLViewerWidget encoded view";

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


138
glViewer::glViewer( QGraphicsScene* _scene,
139
                    QGLWidget* _glWidget,
140
                    Viewer::ViewerProperties& _properties,
141
                    QGraphicsWidget* _parent) :
Jan Möbius's avatar
 
Jan Möbius committed
142
  QGraphicsWidget(_parent),
Jan Möbius's avatar
 
Jan Möbius committed
143 144 145
  glareaGrabbed_(false),
  projectionUpdateLocked_(false),
  blending_(true),
Jan Möbius's avatar
 
Jan Möbius committed
146 147
  glScene_(_scene),
  glWidget_(_glWidget),
Jan Möbius's avatar
Dennis:  
Jan Möbius committed
148 149
  cursorPainter_(0),
  cursorPositionValid_(false),
Jan Möbius's avatar
Jan Möbius committed
150 151 152
  pickCache_(0),
  updatePickCache_(true),
  pickCacheSupported_(true),
153
  clickEvent_(QEvent::MouseButtonPress, QPoint (), Qt::NoButton, Qt::NoButton, Qt::NoModifier),
Dirk Wilden's avatar
Dirk Wilden committed
154
  properties_(_properties),
155
  glstate_(0),
Jan Möbius's avatar
Jan Möbius committed
156 157 158 159 160 161
  initialized_(false),
  flyAnimationPerspective_(0),
  flyAnimationOrthogonal_(0),
  flyAngle_(0.0),
  currentAnimationPos_(0.0),
  flyMoveBack_(false)
Jan Möbius's avatar
 
Jan Möbius committed
162 163 164
{

  // widget stuff
165
  createWidgets();
Jan Möbius's avatar
 
Jan Möbius committed
166 167 168

  // bind GL context to GL state class
  glstate_ = new ACG::GLState();
169 170
  properties_.setglState( glstate_ );

Jan Möbius's avatar
 
Jan Möbius committed
171 172
  // state
  isRotating_       = false;
Mike Kremer's avatar
Mike Kremer committed
173
  lookAround_       = false;
Jan Möbius's avatar
 
Jan Möbius committed
174 175 176

  sceneGraphRoot_   = 0;

177
  normalsMode_      = NORMALIZE_NORMALS;
Jan Möbius's avatar
 
Jan Möbius committed
178
  projectionMode_   = PERSPECTIVE_PROJECTION;
Jan Möbius's avatar
Jan Möbius committed
179
  navigationMode_   = NORMAL_NAVIGATION;
180

Jan Möbius's avatar
 
Jan Möbius committed
181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197
  trackMouse_ = false;

  // stereo
  stereo_ = false;

  // Note: we start locked (initialization of updateLocked_)
  // will be unlocked in initializeGL()

  QSizePolicy sp = sizePolicy();
  sp.setHorizontalPolicy( QSizePolicy::Expanding );
  sp.setVerticalPolicy( QSizePolicy::Expanding );
  sp.setHorizontalStretch( 1 );
  sp.setVerticalStretch( 1 );
  setSizePolicy( sp );

  redrawTime_.start ();

198 199 200 201 202 203 204
  // timer for animation
  timer_ = new QTimer( this );
  connect( timer_, SIGNAL(timeout()), this, SLOT( slotAnimation()) );

  allowRotation_ = true;


Jan Möbius's avatar
 
Jan Möbius committed
205 206 207
  connect( &properties_,SIGNAL(updated()), this, SLOT( slotPropertiesUpdated() ) );


Dirk Wilden's avatar
Dirk Wilden committed
208 209 210
  //check for updated properties once
  slotPropertiesUpdated();

Jan Möbius's avatar
 
Jan Möbius committed
211
  setAcceptDrops(true);
Jan Möbius's avatar
Dennis:  
Jan Möbius committed
212

213
  setHome();
Jan Möbius's avatar
Dennis:  
Jan Möbius committed
214 215 216 217 218 219 220 221

  // initialize custom anaglyph stereo
  agTexWidth_ = 0;
  agTexHeight_ = 0;
  agTexture_[0] = 0;
  agTexture_[1] = 0;
  agProgram_ = 0;
  customAnaglyphSupported_ = false;
222 223 224

  clickTimer_.setSingleShot (true);
  connect (&clickTimer_, SIGNAL(timeout ()), this, SLOT(slotClickTimeout ()));
Jan Möbius's avatar
 
Jan Möbius committed
225 226 227 228 229 230
}


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


Jan Möbius's avatar
 
Jan Möbius committed
231
glViewer::~glViewer()
Jan Möbius's avatar
 
Jan Möbius committed
232
{
Jan Möbius's avatar
Dennis:  
Jan Möbius committed
233
  finiCustomAnaglyphStereo ();
Jan Möbius's avatar
 
Jan Möbius committed
234 235 236 237 238 239 240 241
  delete glstate_;
}


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


QSize
Jan Möbius's avatar
 
Jan Möbius committed
242
glViewer::sizeHint() const
Jan Möbius's avatar
 
Jan Möbius committed
243 244 245 246 247 248 249
{
  return QSize( 600, 600 );
}

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


Jan Möbius's avatar
 
Jan Möbius committed
250
void glViewer::makeCurrent() {
Jan Möbius's avatar
 
Jan Möbius committed
251 252 253
  glWidget_->makeCurrent();
}

Jan Möbius's avatar
 
Jan Möbius committed
254
void glViewer::swapBuffers() {
Jan Möbius's avatar
 
Jan Möbius committed
255 256 257 258 259 260 261
  glWidget_->swapBuffers();
}


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


262
void glViewer::sceneGraph(ACG::SceneGraph::BaseNode* _root, const bool _resetTrackBall)
Jan Möbius's avatar
 
Jan Möbius committed
263 264 265
{
  sceneGraphRoot_ = _root;

Jan Möbius's avatar
Jan Möbius committed
266
  if (sceneGraphRoot_ )
Jan Möbius's avatar
 
Jan Möbius committed
267
  {
Jan Möbius's avatar
Jan Möbius committed
268 269 270 271 272 273 274 275
    
    // set max number of render pass
    // Single pass action, this info is static during multipass
    ACG::SceneGraph::MultiPassInfoAction info_act;
    ACG::SceneGraph::traverse(sceneGraphRoot_, info_act);
    
    glstate_->set_max_render_passes(info_act.getMaxPasses());
    
Jan Möbius's avatar
 
Jan Möbius committed
276
    // get scene size
Jan Möbius's avatar
Jan Möbius committed
277
    // Single pass action, as the bounding box is not influenced by multipass traversal
Jan Möbius's avatar
 
Jan Möbius committed
278 279 280 281 282
    ACG::SceneGraph::BoundingBoxAction act;
    ACG::SceneGraph::traverse(sceneGraphRoot_, act);

    ACG::Vec3d bbmin = (ACG::Vec3d) act.bbMin();
    ACG::Vec3d bbmax = (ACG::Vec3d) act.bbMax();
Jan Möbius's avatar
Jan Möbius committed
283 284
    
    
Jan Möbius's avatar
 
Jan Möbius committed
285 286 287

    if ( ( bbmin[0] > bbmax[0] ) ||
         ( bbmin[1] > bbmax[1] ) ||
288 289 290
         ( bbmin[2] > bbmax[2] )   ) {
      
      // Invalid bounding box, try to recover
291
      setScenePos( ACG::Vec3d( 0.0,0.0,0.0 ) , 1.0, _resetTrackBall );
292 293 294 295
    
      // Update bounding box to match the scene geometry after recovery
      bbmin = ACG::Vec3d(-1.0,-1.0,-1.0);
      bbmax = ACG::Vec3d( 1.0, 1.0, 1.0);
Jan Möbius's avatar
Jan Möbius committed
296 297
    } else {
      
298
      // For very small scenes, we set the scene radius to 0.1
Jan Möbius's avatar
Jan Möbius committed
299
      // otherwise we take the real radius
300
      if ( ( bbmax - bbmin ).max() < OpenFlipperSettings().value("Core/Gui/glViewer/minimalSceneSize",0.1).toDouble() )  {
Jan Möbius's avatar
Jan Möbius committed
301
        setScenePos( ( bbmin + bbmax )        * 0.5,
302
                     OpenFlipperSettings().value("Core/Gui/glViewer/minimalSceneSize",0.1).toDouble(),
Jan Möbius's avatar
Jan Möbius committed
303 304 305 306 307 308 309 310 311
                     _resetTrackBall);
                   
      } else {
        setScenePos( ( bbmin + bbmax )        * 0.5,
                     ( bbmax - bbmin ).norm() * 0.5,
                     _resetTrackBall); 
      }
                   
    }
312 313 314 315
                   
    // remember the new bounding box for the state
    glstate_->set_bounding_box(bbmin,bbmax);
    
Jan Möbius's avatar
 
Jan Möbius committed
316
  }
317
  
Jan Möbius's avatar
 
Jan Möbius committed
318 319 320 321 322 323 324 325 326 327

  updateGL();

  emit(signalSceneGraphChanged(sceneGraphRoot_));
}


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


Jan Möbius's avatar
 
Jan Möbius committed
328
void glViewer::trackMouse(bool _track)
Jan Möbius's avatar
 
Jan Möbius committed
329 330 331 332 333 334 335
{
  trackMouse_ = _track;
}


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

Jan Möbius's avatar
 
Jan Möbius committed
336
void glViewer::perspectiveProjection()
Jan Möbius's avatar
 
Jan Möbius committed
337 338 339 340 341 342
{
  projectionMode(PERSPECTIVE_PROJECTION);
  updateGL();
}


Jan Möbius's avatar
 
Jan Möbius committed
343
void glViewer::orthographicProjection()
Jan Möbius's avatar
 
Jan Möbius committed
344 345 346 347 348 349
{
  projectionMode(ORTHOGRAPHIC_PROJECTION);
  updateGL();
}


Jan Möbius's avatar
 
Jan Möbius committed
350
void glViewer::toggleProjectionMode()
Jan Möbius's avatar
 
Jan Möbius committed
351 352 353 354 355 356 357 358 359 360
{
  if (projectionMode_ == ORTHOGRAPHIC_PROJECTION)
    projectionMode(PERSPECTIVE_PROJECTION);
  else
    projectionMode(ORTHOGRAPHIC_PROJECTION);

  updateGL();
}


Jan Möbius's avatar
 
Jan Möbius committed
361
void glViewer::projectionMode(ProjectionMode _p)
Jan Möbius's avatar
 
Jan Möbius committed
362 363
{
  if ((projectionMode_ = _p) == ORTHOGRAPHIC_PROJECTION)
364
    emit projectionModeChanged( true );
Jan Möbius's avatar
 
Jan Möbius committed
365
  else
366
    emit projectionModeChanged( false );
Jan Möbius's avatar
 
Jan Möbius committed
367 368

  updateProjectionMatrix();
369

370
  emit viewChanged();
Jan Möbius's avatar
 
Jan Möbius committed
371 372
}

373 374 375
void glViewer::toggleNavigationMode()
{
  if (navigationMode_ == NORMAL_NAVIGATION)
Mike Kremer's avatar
Mike Kremer committed
376
    navigationMode(FIRSTPERSON_NAVIGATION);
377 378 379 380 381 382 383 384 385 386 387 388 389
  else
    navigationMode(NORMAL_NAVIGATION);
}


void glViewer::navigationMode(NavigationMode _n)
{
  if ((navigationMode_ = _n) == NORMAL_NAVIGATION)
    emit navigationModeChanged( true );
  else
    emit navigationModeChanged( false );
}

390 391 392 393 394 395 396 397 398 399 400
void glViewer::setFOVY(double _fovy) {
    
  if(_fovy <= 0.0 || _fovy >= 180) {
    std::cerr << "Error: Minimum or maximum fovy angle exceeded!" << std::endl;
    return;
  }
  
  OpenFlipperSettings().setValue("Core/Projection/FOVY", _fovy);
  updateProjectionMatrix();
}

Jan Möbius's avatar
 
Jan Möbius committed
401

Jan Möbius's avatar
 
Jan Möbius committed
402
void glViewer::updateProjectionMatrix()
Jan Möbius's avatar
 
Jan Möbius committed
403 404 405 406 407 408 409 410
{
  if( projectionUpdateLocked_ )
    return;

  makeCurrent();

  glstate_->reset_projection();

411
  // In stereo mode we have to use a perspective matrix
Jan Möbius's avatar
Jan Möbius committed
412
  if (stereo_ || projectionMode_ == PERSPECTIVE_PROJECTION)
Jan Möbius's avatar
 
Jan Möbius committed
413
  {
414 415 416 417 418 419 420
    double aspect;

    if (isVisible() && glWidth() && glHeight())
      aspect = (double) glWidth() / (double) glHeight();
    else
      aspect = 1.0;

421 422 423 424
    // Get fovy
    double fovy = OpenFlipperSettings().value("Core/Projection/FOVY", 45.0).toDouble();

    glstate_->perspective(fovy, (GLdouble) aspect,
425
                          properties_.nearPlane(), properties_.farPlane());
Jan Möbius's avatar
Jan Möbius committed
426 427 428 429
  }
  else
  {
    double aspect;
Jan Möbius's avatar
Jan Möbius committed
430

431
    if (isVisible() && glWidth() && glHeight())
Jan Möbius's avatar
Jan Möbius committed
432 433
      aspect = (double) glWidth() / (double) glHeight();
    else
434
      aspect = 1.0;
Jan Möbius's avatar
 
Jan Möbius committed
435

436 437 438
    glstate_->ortho( -properties_.orthoWidth(), properties_.orthoWidth(),
                     -properties_.orthoWidth()/aspect, properties_.orthoWidth()/aspect,
                      properties_.nearPlane(), properties_.farPlane() );
Jan Möbius's avatar
 
Jan Möbius committed
439
  }
440

Jan Möbius's avatar
 
Jan Möbius committed
441 442 443 444 445 446
}


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


447
void glViewer::setScenePos(const ACG::Vec3d& _center, double _radius, const bool _resetTrackBall)
Jan Möbius's avatar
 
Jan Möbius committed
448
{
449
  if(_resetTrackBall) {
450
    properties_.trackballCenter(_center);
451 452
  }

453
  properties_.sceneCenter(_center);
454

455 456
  properties_.sceneRadius(_radius);
  properties_.trackballRadius(_radius);
457

458
  ACG::Vec3d c = glstate_->modelview().transform_point(properties_.sceneCenter());
459 460

  // Set far plane
461
  properties_.farPlane( std::max(0.0002f * properties_.sceneRadius(),  -(c[2] - properties_.sceneRadius() )) );
Jan Möbius's avatar
 
Jan Möbius committed
462

463
  // Set near plane
464
  properties_.nearPlane( std::max(0.0001f * properties_.sceneRadius(),  -(c[2] + properties_.sceneRadius())) );
465
  
466 467 468 469
  updateProjectionMatrix();
  updateGL();

  emit viewChanged();
470 471 472 473 474 475
}


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


Jan Möbius's avatar
 
Jan Möbius committed
476
void glViewer::viewingDirection( const ACG::Vec3d& _dir, const ACG::Vec3d& _up )
Jan Möbius's avatar
 
Jan Möbius committed
477 478
{
  // calc eye point for this direction
479
  ACG::Vec3d eye = properties_.sceneCenter() - _dir * ( 3.0 * properties_.sceneRadius());
Jan Möbius's avatar
 
Jan Möbius committed
480 481

  glstate_->reset_modelview();
482
  glstate_->lookAt((ACG::Vec3d)eye, (ACG::Vec3d)properties_.sceneCenter(), (ACG::Vec3d)_up);
483

484
  emit viewChanged();
Jan Möbius's avatar
 
Jan Möbius committed
485 486
}

487 488 489 490 491 492 493
//-----------------------------------------------------------------------------

void glViewer::lookAt(const ACG::Vec3d& _eye, const ACG::Vec3d& _center, const ACG::Vec3d& _up) {
    
    glstate_->reset_modelview();
    glstate_->lookAt(_eye, _center, _up);
    
494 495
    properties_.sceneCenter( _center );
    properties_.sceneRadius( (properties_.sceneCenter() - _eye).norm() );
496 497 498
    
    emit viewChanged();
}
Jan Möbius's avatar
 
Jan Möbius committed
499 500 501

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

Jan Möbius's avatar
 
Jan Möbius committed
502
void glViewer::normalsMode(NormalsMode _mode)
Jan Möbius's avatar
 
Jan Möbius committed
503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524
{
  makeCurrent();

  switch(normalsMode_ = _mode)
  {
    case DONT_TOUCH_NORMALS:
      glDisable(GL_NORMALIZE);
      break;

    case NORMALIZE_NORMALS:
      glEnable(GL_NORMALIZE);
      break;
  }

  updateGL();
}


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


void
Jan Möbius's avatar
 
Jan Möbius committed
525
glViewer::copyToImage( QImage& _image,
Jan Möbius's avatar
Jan Möbius committed
526 527
		       unsigned int _l, unsigned int _t,
		       unsigned int _w, unsigned int _h,
528
			     GLenum /* _buffer */ )
Jan Möbius's avatar
 
Jan Möbius committed
529
{
530 531 532

//    makeCurrent();

Jan Möbius's avatar
Jan Möbius committed
533
  _image = glWidget_->grabFrameBuffer(true).copy (_l, _t, _w, _h).convertToFormat (QImage::Format_RGB32);
Jan Möbius's avatar
 
Jan Möbius committed
534 535 536 537 538 539
}


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


Jan Möbius's avatar
 
Jan Möbius committed
540
void glViewer::updateGL()
Jan Möbius's avatar
 
Jan Möbius committed
541
{
Jan Möbius's avatar
 
Jan Möbius committed
542
  if (!properties_.updateLocked() && isVisible() )
Jan Möbius's avatar
 
Jan Möbius committed
543
  {
Jan Möbius's avatar
Jan Möbius committed
544
    updatePickCache_ = true;
Jan Möbius's avatar
 
Jan Möbius committed
545
    update();
546 547

    emit viewUpdated();
Jan Möbius's avatar
 
Jan Möbius committed
548 549 550 551 552 553 554 555
  }
}



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


Jan Möbius's avatar
 
Jan Möbius committed
556
void glViewer::drawScene()
Jan Möbius's avatar
 
Jan Möbius committed
557
{
558 559 560 561
  
  // Inside the glWidget rendering, the system should not send extra updates
  properties_.blockSignals(true);
  
Jan Möbius's avatar
 
Jan Möbius committed
562 563 564
  QTime  timer;
  timer.start();

Jan Möbius's avatar
 
Jan Möbius committed
565 566 567 568
  // *****************************************************************
  // Adjust clipping planes
  // *****************************************************************
  // Far plane
569
  ACG::Vec3d c = glstate_->modelview().transform_point(properties_.sceneCenter());
Jan Möbius's avatar
 
Jan Möbius committed
570 571

  // Set far plane
572
  properties_.farPlane( std::max(0.0002f * properties_.sceneRadius(),  -(c[2] - properties_.sceneRadius())) );
Jan Möbius's avatar
 
Jan Möbius committed
573 574

  // Set near plane
575
  properties_.nearPlane( std::max(0.0001f * properties_.sceneRadius(),  -(c[2] + properties_.sceneRadius())) );
Jan Möbius's avatar
 
Jan Möbius committed
576

Jan Möbius's avatar
 
Jan Möbius committed
577 578 579 580 581 582 583
  updateProjectionMatrix();

  // store time since last repaint in gl state and restart timer
  glstate_->set_msSinceLastRedraw (redrawTime_.restart ());

  // draw mono or stereo
  makeCurrent();
584

Jan Möbius's avatar
Jan Möbius committed
585 586 587 588 589 590 591
  // Check if we use build in default renderers
  if ( renderManager().activeId( properties_.viewerId() ) == 0 ) {
    if (stereo_) drawScene_stereo();
    else         drawScene_mono();
  } else {
    renderManager().active( properties_.viewerId() )->plugin->render(glstate_);
  }
Jan Möbius's avatar
 
Jan Möbius committed
592

593
  
Jan Möbius's avatar
Jan Möbius committed
594 595
  if ( postProcessorManager().activeId( properties_.viewerId() ) != 0 ) {
    postProcessorManager().active( properties_.viewerId() )->plugin->postProcess(glstate_);
596
  }
597
  
Jan Möbius's avatar
 
Jan Möbius committed
598
  glFinish();
Jan Möbius's avatar
Jan Möbius committed
599

Jan Möbius's avatar
 
Jan Möbius committed
600
  frame_time_ = timer.elapsed();
Jan Möbius's avatar
Jan Möbius committed
601

602 603 604
  
  // Inside the glWidget rendering, the system should not send extra updates
  properties_.blockSignals(false);
Jan Möbius's avatar
Jan Möbius committed
605

Jan Möbius's avatar
 
Jan Möbius committed
606 607 608 609 610 611
}


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


Jan Möbius's avatar
 
Jan Möbius committed
612
void glViewer::drawScene_mono()
Jan Möbius's avatar
 
Jan Möbius committed
613 614 615
{
  if (sceneGraphRoot_)
  {
616
    if (! properties_.renderPicking() ) {
617

Jan Möbius's avatar
Jan Möbius committed
618
      ViewObjectMarker *oM = properties_.objectMarker();
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
      GLuint refBits = 0;
      QSet<GLuint> references;

      if (oM)
      {
        glClear (GL_STENCIL_BUFFER_BIT);
        glEnable (GL_STENCIL_TEST);
        glStencilOp (GL_KEEP, GL_KEEP, GL_ZERO);
        glStencilFunc (GL_ALWAYS, 0, ~0);

        for (PluginFunctions::ObjectIterator o_it(PluginFunctions::ALL_OBJECTS, DATA_ALL) ;
                                             o_it != PluginFunctions::objectsEnd(); ++o_it)
        {
          bool ok;
          GLuint ref;

          ok = oM->stencilRefForObject(*o_it, ref);

          if (ok)
          {
            o_it->stencilRefNode ()->setReference (ref);
            o_it->stencilRefNode ()->show ();
            refBits |= ref;
            references << ref;
          }
          else
            o_it->stencilRefNode ()->hide ();
        }
      }

649
      ACG::SceneGraph::DrawAction action( properties_.drawMode(), *glstate_ , false);
650
      ACG::SceneGraph::traverse_multipass(sceneGraphRoot_, action, *glstate_, properties_.drawMode() );
Jan Möbius's avatar
 
Jan Möbius committed
651 652 653

      if( blending_ )
      {
654
        ACG::SceneGraph::DrawAction action(properties_.drawMode(), *glstate_, true);
655
        ACG::SceneGraph::traverse_multipass(sceneGraphRoot_, action, *glstate_, properties_.drawMode());
Jan Möbius's avatar
 
Jan Möbius committed
656
      }
657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728

      if (oM)
      {
        if (oM->type() == ViewObjectMarker::PerBit)
        {
          references.clear ();
          for (unsigned int i = 0; i < sizeof (GLuint) * 8; i++)
            if (refBits & (1 << i))
              references << (1 << i);
        }

        glPushAttrib(GL_ALL_ATTRIB_BITS);

        glEnable(GL_BLEND);
        glDisable(GL_DEPTH_TEST);
        glDisable(GL_LIGHTING);
        glDisable(GL_DITHER);

        int vp_l, vp_b, vp_w, vp_h;
        glstate_->get_viewport (vp_l, vp_b, vp_w, vp_h);

        glMatrixMode(GL_PROJECTION);
        glPushMatrix ();
        glLoadIdentity();
        glOrtho(0, vp_w, vp_h, 0, 0, 1.0);
        glMatrixMode(GL_MODELVIEW);
        glPushMatrix ();
        glLoadIdentity();

        glStencilOp (GL_KEEP, GL_KEEP, GL_KEEP);

        foreach (unsigned int ref, references)
        {
          bool ok;
          GLenum sfactor;
          GLenum dfactor;
          ACG::Vec4f color;
          unsigned int mask = ~0;

          if (oM->type() == ViewObjectMarker::PerBit)
          {
            ok = oM->blendForStencilRefBit (ref, sfactor, dfactor, color);
            mask = ref;
          }
          else
            ok = oM->blendForStencilRefNumber (ref, sfactor, dfactor, color);

          if (!ok)
            continue;

          glStencilFunc (GL_EQUAL, ref, mask);

          glBlendFunc (sfactor, dfactor);
          glColor4f (color[0], color [1], color [2], color[3]);

          glBegin (GL_QUADS);
          glVertex2i(0, 0);
          glVertex2i(0, vp_h);
          glVertex2i(vp_w, vp_h);
          glVertex2i(vp_w, 0);
          glEnd ();

        }

        glMatrixMode(GL_PROJECTION);
        glPopMatrix ();
        glMatrixMode(GL_MODELVIEW);
        glPopMatrix ();

        glPopAttrib ();
        glDisable (GL_STENCIL_TEST);
      }
Jan Möbius's avatar
 
Jan Möbius committed
729 730 731 732 733 734
    } else {

      // prepare GL state
      makeCurrent();

      glDisable(GL_LIGHTING);
Jan Möbius's avatar
Dennis:  
Jan Möbius committed
735
      glDisable(GL_BLEND);
Jan Möbius's avatar
 
Jan Möbius committed
736 737 738 739 740
      glClear(GL_DEPTH_BUFFER_BIT);
      glInitNames();
      glPushName((GLuint) 0);

      // do the picking
Jan Möbius's avatar
Dennis:  
Jan Möbius committed
741
      glstate_->pick_init (true);
Jan Möbius's avatar
Jan Möbius committed
742
      ACG::SceneGraph::PickAction action(*glstate_, properties_.renderPickingMode(), properties_.drawMode());
743
      ACG::SceneGraph::traverse_multipass(sceneGraphRoot_, action,*glstate_);
Jan Möbius's avatar
 
Jan Möbius committed
744 745

      glEnable(GL_LIGHTING);
Jan Möbius's avatar
Dennis:  
Jan Möbius committed
746
      glEnable(GL_BLEND);
Jan Möbius's avatar
 
Jan Möbius committed
747
    }
748
    
Jan Möbius's avatar
 
Jan Möbius committed
749
  }
Jan Möbius's avatar
Jan Möbius committed
750

Jan Möbius's avatar
Dennis:  
Jan Möbius committed
751 752 753 754 755 756 757 758 759 760 761
  if (cursorPainter_ && cursorPainter_->enabled () && cursorPositionValid_)
  {
    glstate_->push_modelview_matrix ();
    // reset view transformation
    glstate_->reset_modelview ();
    // translate cursor position to 0,0
    glstate_->translate (cursorPoint3D_[0], cursorPoint3D_[1], cursorPoint3D_[2]);
    // paint cursor
    cursorPainter_->paintCursor (glstate_);
    glstate_->pop_modelview_matrix ();
  }
762

Jan Möbius's avatar
 
Jan Möbius committed
763 764 765 766 767 768 769
}


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


void
Jan Möbius's avatar
 
Jan Möbius committed
770
glViewer::drawScene_stereo()
Jan Möbius's avatar
 
Jan Möbius committed
771
{
Jan Möbius's avatar
Dennis:  
Jan Möbius committed
772 773 774 775 776 777 778 779 780 781 782 783 784
  if (OpenFlipper::Options::stereoMode () == OpenFlipper::Options::OpenGL && OpenFlipper::Options::glStereo ())
  {
    drawScene_glStereo ();
    return;
  }
  else if (OpenFlipper::Options::stereoMode () == OpenFlipper::Options::AnaglyphCustom && customAnaglyphSupported_)
  {
    drawScene_customAnaglyphStereo ();

    // if somthing went wrong, fallback to normal anaglyph
    if (customAnaglyphSupported_)
      return;
  }
785

Jan Möbius's avatar
Dennis:  
Jan Möbius committed
786 787
  drawScene_anaglyphStereo ();
}
Jan Möbius's avatar
 
Jan Möbius committed
788 789 790 791 792


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


Jan Möbius's avatar
 
Jan Möbius committed
793
void glViewer::setHome()
Jan Möbius's avatar
 
Jan Möbius committed
794 795 796
{
  home_modelview_          = glstate_->modelview();
  home_inverse_modelview_  = glstate_->inverse_modelview();
797
  homeOrthoWidth_          = properties_.orthoWidth();
798 799
  home_center_             = properties_.trackballCenter();
  home_radius_             = properties_.trackballRadius();
Jan Möbius's avatar
 
Jan Möbius committed
800 801 802
}


Jan Möbius's avatar
 
Jan Möbius committed
803
void glViewer::home()
Jan Möbius's avatar
 
Jan Möbius committed
804 805 806
{
  makeCurrent();
  glstate_->set_modelview(home_modelview_, home_inverse_modelview_);
807
  properties_.orthoWidth( homeOrthoWidth_ );
808 809
  properties_.trackballCenter( home_center_ );
  properties_.trackballRadius(home_radius_);
Jan Möbius's avatar
 
Jan Möbius committed
810 811
  updateProjectionMatrix();
  updateGL();
812

813
  emit viewChanged();
Jan Möbius's avatar
 
Jan Möbius committed
814 815 816 817 818 819 820

}


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


Jan Möbius's avatar
 
Jan Möbius committed
821
void glViewer::viewAll()
Jan Möbius's avatar
 
Jan Möbius committed
822
{
823
  makeCurrent();
Jan Möbius's avatar
 
Jan Möbius committed
824

825 826
  // update scene graph (get new bounding box and set projection right, including near and far plane)
  properties_.lockUpdate();
Jan Möbius's avatar
 
Jan Möbius committed
827

828 829 830
  // move center (in camera coords) to origin and translate in -z dir
  translate(-(glstate_->modelview().transform_point(properties_.sceneCenter()))
            - ACG::Vec3d(0.0, 0.0, 3.0 * properties_.sceneRadius()));
831

832 833 834 835
  properties_.orthoWidth( 1.1 * properties_.sceneRadius() );
  double aspect = (double) glWidth() / (double) glHeight();
  if (aspect > 1.0)
    properties_.orthoWidth( aspect * properties_.orthoWidth() ) ;
836

837
  sceneGraph(PluginFunctions::getSceneGraphRootNode(), true);
838

839 840 841
  properties_.unLockUpdate();
  updateProjectionMatrix();
  updateGL();
842

843
  emit viewChanged();
Jan Möbius's avatar
 
Jan Möbius committed
844 845 846 847 848 849 850

}


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


Jan Möbius's avatar
 
Jan Möbius committed
851
void glViewer::setView(const ACG::GLMatrixd& _modelview,
Jan Möbius's avatar
 
Jan Möbius committed
852 853 854 855 856
			                  const ACG::GLMatrixd& _inverse_modelview)
{
  makeCurrent();
  glstate_->set_modelview(_modelview, _inverse_modelview);
  updateGL();
857

858
  emit viewChanged();
Jan Möbius's avatar
 
Jan Möbius committed
859 860 861 862 863 864
}


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


Jan Möbius's avatar
 
Jan Möbius committed
865
void glViewer::initializeGL()
Jan Möbius's avatar
 
Jan Möbius committed
866 867 868
{

  // lock update
869
  properties_.lockUpdate();
Jan Möbius's avatar
 
Jan Möbius committed
870 871 872 873 874 875 876 877 878 879 880 881 882 883

  // init GL state
  glstate_->initialize();

  // OpenGL state
  glEnable(GL_DEPTH_TEST);
  glEnable(GL_LIGHTING);
  glDisable(GL_DITHER);
  glShadeModel( GL_FLAT );


  projectionMode(   projectionMode_   );
  normalsMode(      normalsMode_      );

884
  // Update all settings which would require a redraw
885
  applyProperties();
Jan Möbius's avatar
 
Jan Möbius committed
886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903

  // modelview
  glstate_->translate(0.0, 0.0, -3.0);
  setHome();


  // pixel transfer
  glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
  glPixelStorei(GL_UNPACK_SKIP_ROWS, 0);
  glPixelStorei(GL_UNPACK_SKIP_PIXELS, 0);
  glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
  glPixelStorei(GL_PACK_ROW_LENGTH, 0);
  glPixelStorei(GL_PACK_SKIP_ROWS, 0);
  glPixelStorei(GL_PACK_SKIP_PIXELS, 0);
  glPixelStorei(GL_PACK_ALIGNMENT, 1);


  // unlock update (we started locked)
904
  properties_.unLockUpdate();
Jan Möbius's avatar
Dennis:  
Jan Möbius committed
905

906 907 908 909
  customAnaglyphSupported_ = ACG::checkExtensionSupported("GL_ARB_fragment_program") &&
                            (ACG::checkExtensionSupported("GL_ARB_texture_rectangle") ||
                             ACG::checkExtensionSupported("GL_EXT_texture_rectangle") ||
                             ACG::checkExtensionSupported("GL_NV_texture_rectangle"));
910 911 912 913 914 915 916 917

  initialized_ = true;

  if (sceneGraphRoot_)
  {
    sceneGraph(sceneGraphRoot_, true);
    viewAll ();
  }
Jan Möbius's avatar
 
Jan Möbius committed
918 919 920 921 922 923
}


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


Jan Möbius's avatar
 
Jan Möbius committed
924
void glViewer::paintGL()
Jan Möbius's avatar
 
Jan Möbius committed
925
{
926 927
  if (!initialized_)
    initializeGL ();
Jan Möbius's avatar
 
Jan Möbius committed
928

929
  if (!properties_.updateLocked())
Jan Möbius's avatar
 
Jan Möbius committed
930
  {
Jan Möbius's avatar
Dennis:  
Jan Möbius committed
931 932
    ACG::Vec4f clear_color;

933
    properties_.lockUpdate();
Jan Möbius's avatar
 
Jan Möbius committed
934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950

    glPushAttrib (GL_ALL_ATTRIB_BITS);

    glEnable(GL_DEPTH_TEST);
    glEnable(GL_LIGHTING);
    glDisable(GL_DITHER);
    glShadeModel( GL_FLAT );

    glMatrixMode(GL_PROJECTION);
    glPushMatrix();

    glMatrixMode(GL_MODELVIEW);
    glPushMatrix();


    normalsMode(      normalsMode_      );

951
    applyProperties();
952

Jan Möbius's avatar
 
Jan Möbius committed
953 954 955 956
    glstate_->setState ();

    glColor4f(1.0,0.0,0.0,1.0);

Jan Möbius's avatar
Dennis:  
Jan Möbius committed
957 958 959 960 961 962
    if (properties_.renderPicking())
    {
      clear_color = properties_.glState().clear_color();
      properties_.glState().set_clear_color (ACG::Vec4f (0.0, 0.0, 0.0, 1.0));
    }

Jan Möbius's avatar
 
Jan Möbius committed
963 964
    // clear (stereo mode clears buffers on its own)
    if (!stereo_)
Jan Möbius's avatar
 
Jan Möbius committed
965
      glstate_->clearBuffers ();
Jan Möbius's avatar
 
Jan Möbius committed
966

967
    properties_.unLockUpdate();
Jan Möbius's avatar
 
Jan Möbius committed
968 969 970 971 972 973 974 975 976 977

    // draw scene
    drawScene();

    glPopMatrix();

    glMatrixMode(GL_PROJECTION);
    glPopMatrix();

    glPopAttrib ();
Jan Möbius's avatar
Dennis:  
Jan Möbius committed
978 979 980

    if (properties_.renderPicking())
      properties_.glState().set_clear_color (clear_color);
Jan Möbius's avatar
 
Jan Möbius committed
981 982 983 984 985 986 987
  }
}


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


Jan Möbius's avatar
 
Jan Möbius committed
988
void glViewer::resizeEvent(QGraphicsSceneResizeEvent *)
Jan Möbius's avatar
 
Jan Möbius committed
989 990
{
  updateProjectionMatrix();
Jan Möbius's avatar
 
Jan Möbius committed
991
  glstate_->viewport(scenePos().x(),
Jan Möbius's avatar
Jan Möbius committed
992 993 994
                     scene()->height () - scenePos().y() - size().height (),
                     size().width (), size().height (),
                     scene()->width (), scene()->height ());
Jan Möbius's avatar
 
Jan Möbius committed
995
  update();
996

997
  emit viewChanged();
Jan Möbius's avatar
 
Jan Möbius committed
998 999
}

Jan Möbius's avatar
 
Jan Möbius committed
1000 1001 1002
void glViewer::moveEvent (QGraphicsSceneMoveEvent *)
{
  glstate_->viewport(scenePos().x(),
Jan Möbius's avatar
Jan Möbius committed
1003 1004 1005
                     scene()->height () - scenePos().y() - size().height (),
                     size().width (), size().height (),
                     scene()->width (), scene()->height ());
Jan Möbius's avatar
 
Jan Möbius committed
1006
  update();
1007

1008
  emit viewChanged();
Jan Möbius's avatar
 
Jan Möbius committed
1009
}
Jan Möbius's avatar
 
Jan Möbius committed
1010 1011 1012

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

Jan Möbius's avatar
 
Jan Möbius committed
1013
void glViewer::encodeView(QString& _view)
Jan Möbius's avatar
 
Jan Möbius committed
1014
{
1015
  // Get current matrices
Jan Möbius's avatar
 
Jan Möbius committed
1016 1017 1018
  const ACG::GLMatrixd m = glstate_->modelview();
  const ACG::GLMatrixd p = glstate_->projection();

1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032
  // Add modelview matrix to output
  _view += QString(VIEW_MAGIC) + "\n";
  _view += QString::number(m(0,0)) + " " + QString::number(m(0,1)) + " " + QString::number(m(0,2)) + " " + QString::number(m(0,3)) + "\n";
  _view += QString::number(m(1,0)) + " " + QString::number(m(1,1)) + " " + QString::number(m(1,2)) + " " + QString::number(m(1,3)) + "\n";
  _view += QString::number(m(2,0)) + " " + QString::number(m(2,1)) + " " + QString::number(m(2,2)) + " " + QString::number(m(2,3)) + "\n";
  _view += QString::number(m(3,0)) + " " + QString::number(m(3,1)) + " " + QString::number(m(3,2)) + " " + QString::number(m(3,3)) + "\n";

  // Add projection matrix to output
  _view += QString::number(p(0,0)) + " " + QString::number(p(0,1)) + " " + QString::number(p(0,2)) + " " + QString::number(p(0,3)) + "\n";
  _view += QString::number(p(1,0)) + " " + QString::number(p(1,1)) + " " + QString::number(p(1,2)) + " " + QString::number(p(1,3)) + "\n";
  _view += QString::number(p(2,0)) + " " + QString::number(p(2,1)) + " " + QString::number(p(2,2)) + " " + QString::number(p(2,3)) + "\n";
  _view += QString::number(p(3,0)) + " " + QString::number(p(3,1)) + " " + QString::number(p(3,2)) + " " + QString::number(p(3,3)) + "\n";

  // add gl width/height, current projection Mode and the ortho mode width to output
1033
  _view += QString::number(glWidth()) + " " +  QString::number(glHeight()) + " " + QString::number(projectionMode_) + " " + QString::number(properties_.orthoWidth()) + "\n";
Jan Möbius's avatar
 
Jan Möbius committed
1034 1035 1036 1037 1038 1039
}


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


Jan Möbius's avatar
 
Jan Möbius committed
1040
bool glViewer::decodeView(const QString& _view)
Jan Möbius's avatar
 
Jan Möbius committed
1041 1042 1043 1044
{
  if (_view.left(sizeof(VIEW_MAGIC)-1) != QString(VIEW_MAGIC))
    return false;

1045 1046 1047
  // Remove the magic from the string
  QString temp = _view;
  temp.remove(0,sizeof(VIEW_MAGIC));
Jan Möbius's avatar
 
Jan Möbius committed
1048

1049 1050
  //Split it into its components
  QStringList split = temp.split(QRegExp("[\\n\\s]"),QString::SkipEmptyParts);
Jan Möbius's avatar
 
Jan Möbius committed
1051 1052 1053 1054

  ACG::GLMatrixd m, p;
  int            w, h, pMode;

1055 1056 1057 1058 1059
  // Check if the number of components matches the expected size
  if ( split.size() != 36 ) {
    std::cerr << "Unable to paste view ... wrong parameter count!! is" <<  split.size()  << std::endl;
    return false;
  }
Jan Möbius's avatar
 
Jan Möbius committed
1060

1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 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
  // Parse the components
  bool ok = true;;

  m(0,0) = split[0].toDouble(&ok); if ( !ok ) { std::cerr << "Error in decoding View!" << std::endl; return false; }
  m(0,1) = split[1].toDouble(&ok); if ( !ok ) { std::cerr << "Error in decoding View!" << std::endl; return false; }
  m(0,2) = split[2].toDouble(&ok); if ( !ok ) { std::cerr << "Error in decoding View!" << std::endl; return false; }
  m(0,3) = split[3].toDouble(&ok); if ( !ok ) { std::cerr << "Error in decoding View!" << std::endl; return false; }
  m(1,0) = split[4].toDouble(&ok); if ( !ok ) { std::cerr << "Error in decoding View!" << std::endl; return false; }
  m(1,1) = split[5].toDouble(&ok); if ( !ok ) { std::cerr << "Error in decoding View!" << std::endl; return false; }
  m(1,2) = split[6].toDouble(&ok); if ( !ok ) { std::cerr << "Error in decoding View!" << std::endl; return false; }
  m(1,3) = split[7].toDouble(&ok); if ( !ok ) { std::cerr << "Error in decoding View!" << std::endl; return false; }
  m(2,0) = split[8].toDouble(&ok); if ( !ok ) { std::cerr << "Error in decoding View!" << std::endl; return false; }
  m(2,1) = split[9].toDouble(&ok); if ( !ok ) { std::cerr << "Error in decoding View!" << std::endl; return false; }
  m(2,2) = split[10].toDouble(&ok); if ( !ok ) { std::cerr << "Error in decoding View!" << std::endl; return false; }
  m(2,3) = split[11].toDouble(&ok); if ( !ok ) { std::cerr << "Error in decoding View!" << std::endl; return false; }
  m(3,0) = split[12].toDouble(&ok); if ( !ok ) { std::cerr << "Error in decoding View!" << std::endl; return false; }
  m(3,1) = split[13].toDouble(&ok); if ( !ok ) { std::cerr << "Error in decoding View!" << std::endl; return false; }
  m(3,2) = split[14].toDouble(&ok); if ( !ok ) { std::cerr << "Error in decoding View!" << std::endl; return false; }
  m(3,3) = split[15].toDouble(&ok); if ( !ok ) { std::cerr << "Error in decoding View!" << std::endl; return false; }
  p(0,0) = split[16].toDouble(&ok); if ( !ok ) { std::cerr << "Error in decoding View!" << std::endl; return false; }
  p(0,1) = split[17].toDouble(&ok); if ( !ok ) { std::cerr << "Error in decoding View!" << std::endl; return false; }
  p(0,2) = split[18].toDouble(&ok); if ( !ok ) { std::cerr << "Error in decoding View!" << std::endl; return false; }
  p(0,3) = split[19].toDouble(&ok); if ( !ok ) { std::cerr << "Error in decoding View!" << std::endl; return false; }
  p(1,0) = split[20].toDouble(&ok); if ( !ok ) { std::cerr << "Error in decoding View!" << std::endl; return false; }
  p(1,1) = split[21].toDouble(&ok); if ( !ok ) { std::cerr << "Error in decoding View!" << std::endl; return false; }
  p(1,2) = split[22].toDouble(&ok); if ( !ok ) { std::cerr << "Error in decoding View!" << std::endl; return false; }
  p(1,3) = split[23].toDouble(&ok); if ( !ok ) { std::cerr << "Error in decoding View!" << std::endl; return false; }
  p(2,0) = split[24].toDouble(&ok); if ( !ok ) { std::cerr << "Error in decoding View!" << std::endl; return false; }
  p(2,1) = split[25].toDouble(&ok); if ( !ok ) { std::cerr << "Error in decoding View!" << std::endl; return false; }
  p(2,2) = split[26].toDouble(&ok); if ( !ok ) { std::cerr << "Error in decoding View!" << std::endl; return false; }
  p(2,3) = split[27].toDouble(&ok); if ( !ok ) { std::cerr << "Error in decoding View!" << std::endl; return false; }
  p(3,0) = split[28].toDouble(&ok); if ( !ok ) { std::cerr << "Error in decoding View!" << std::endl; return false; }
  p(3,1) = split[29].toDouble(&ok); if ( !ok ) { std::cerr << "Error in decoding View!" << std::endl; return false; }
  p(3,2) = split[30].toDouble(&ok); if ( !ok ) { std::cerr << "Error in decoding View!" << std::endl; return false; }
  p(3,3) = split[31].toDouble(&ok); if ( !ok ) { std::cerr << "Error in decoding View!" << std::endl; return false; }

  w =  split[32].toInt(&ok); if ( !ok ) { std::cerr << "Error in decoding View!" << std::endl; return false; }
  h =  split[33].toInt(&ok); if ( !ok ) { std::cerr << "Error in decoding View!" << std::endl; return false; }
  pMode =  split[34].toInt(&ok); if ( !ok ) { std::cerr << "Error in decoding View!" << std::endl; return false; }
1100
  properties_.orthoWidth( split[35].toDouble(&ok) ); if ( !ok ) { std::cerr << "Error in decoding View!" << std::endl; return false; }
1101 1102

  // Switch to our gl context
Jan Möbius's avatar
 
Jan Möbius committed
1103 1104
  makeCurrent();

1105
  // set projection mode
Jan Möbius's avatar
 
Jan Möbius committed
1106 1107 1108
  if (projectionMode_ != (ProjectionMode)pMode)
    projectionMode((ProjectionMode)pMode);

1109
  // Apply new modelview matrix
Jan Möbius's avatar
 
Jan Möbius committed
1110 1111 1112
  glstate_->set_modelview(m);


1113 1114 1115 1116 1117 1118 1119 1120 1121
  std::cerr << "Todo : Add Checkbox if size should also be pasted" << std::endl;

//   if (w>0 && h>0 &&
//       action_["PasteDropSize"]->isChecked() )
//   {
//     glstate_->set_projection(p);
//     glView_->setFixedSize(w,h);
//     updateGeometry();
//   }
Jan Möbius's avatar
 
Jan Möbius committed
1122 1123 1124 1125 1126 1127 1128 1129 1130 1131

  updateGL();

  return true;
}


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


Jan Möbius's avatar
 
Jan Möbius committed
1132
void glViewer::actionCopyView()
1133 1134 1135 1136 1137 1138 1139 1140 1141
{
  QString view; encodeView(view);
  QApplication::clipboard()->setText(view);
}


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


Jan Möbius's avatar
 
Jan Möbius committed
1142
void glViewer::actionPasteView()
1143 1144 1145 1146 1147 1148
{
  QString view; view=QApplication::clipboard()->text();
  decodeView(view);
}


Jan Möbius's avatar
 
Jan Möbius committed
1149 1150 1151
//-----------------------------------------------------------------------------

void
1152
glViewer::createWidgets()
Jan Möbius's avatar