QtBaseViewer.cc 63.5 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

Jan Möbius's avatar
 
Jan Möbius committed
59
60
#include <ACG/QtWidgets/QtWheel.hh>
#include <ACG/Scenegraph/DrawModes.hh>
61
#include <ACG/Scenegraph/CoordsysNode.hh>
Jan Möbius's avatar
Jan Möbius committed
62
#include <ACG/Scenegraph/SceneGraphAnalysis.hh>
Jan Möbius's avatar
 
Jan Möbius committed
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
97
98
99
#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>

100
101
#include <QGraphicsView>
#include <QGraphicsScene>
Jan Möbius's avatar
 
Jan Möbius committed
102
103
104
#include <QGraphicsWidget>
#include <QGraphicsGridLayout>
#include <QGraphicsProxyWidget>
105
#include <QGLFramebufferObjectFormat>
Jan Möbius's avatar
   
Jan Möbius committed
106
107
#include <QPainter>
#include <QPaintEngine>
Jan Möbius's avatar
 
Jan Möbius committed
108

109
110
#include <QImageWriter>

Jan Möbius's avatar
 
Jan Möbius committed
111
112
113
114
115
116
117
118
#ifdef max
#  undef max
#endif

#ifdef min
#  undef min
#endif

119
#include <OpenFlipper/BasePlugin/PluginFunctions.hh>
Jan Möbius's avatar
Jan Möbius committed
120
#include <OpenFlipper/common/ViewObjectMarker.hh>
Jan Möbius's avatar
 
Jan Möbius committed
121

Jan Möbius's avatar
Dennis:    
Jan Möbius committed
122
123
#include <OpenFlipper/common/GlobalOptions.hh>

124
125
#include <QGLFramebufferObject>

126
#include <OpenFlipper/common/RendererInfo.hh>
127
128
#include <OpenFlipper/BasePlugin/PostProcessorInterface.hh>

Jan Möbius's avatar
 
Jan Möbius committed
129
130
131
132
133
134
//== NAMESPACES ===============================================================



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

135
static const char          COPY_PASTE_VIEW_START_STRING[] =
Jan Möbius's avatar
 
Jan Möbius committed
136
137
138
139
140
  "ACG::QtWidgets::QGLViewerWidget encoded view";

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


141
glViewer::glViewer( QGraphicsScene* _scene,
142
                    QGLWidget* _glWidget,
143
                    Viewer::ViewerProperties& _properties,
144
                    QGraphicsWidget* _parent) :
Jan Möbius's avatar
   
Jan Möbius committed
145
  QGraphicsWidget(_parent),
Jan Möbius's avatar
 
Jan Möbius committed
146
147
  glareaGrabbed_(false),
  projectionUpdateLocked_(false),
Jan Möbius's avatar
   
Jan Möbius committed
148
149
  glScene_(_scene),
  glWidget_(_glWidget),
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
  trackMouse_ = 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 ();

195
196
197
198
199
200
201
  // timer for animation
  timer_ = new QTimer( this );
  connect( timer_, SIGNAL(timeout()), this, SLOT( slotAnimation()) );

  allowRotation_ = true;


Jan Möbius's avatar
   
Jan Möbius committed
202
203
204
  connect( &properties_,SIGNAL(updated()), this, SLOT( slotPropertiesUpdated() ) );


Dirk Wilden's avatar
Dirk Wilden committed
205
206
207
  //check for updated properties once
  slotPropertiesUpdated();

Jan Möbius's avatar
   
Jan Möbius committed
208
  setAcceptDrops(true);
Jan Möbius's avatar
Dennis:    
Jan Möbius committed
209

210
  setHome();
Jan Möbius's avatar
Dennis:    
Jan Möbius committed
211
212
213
214
215
216
217
218

  // initialize custom anaglyph stereo
  agTexWidth_ = 0;
  agTexHeight_ = 0;
  agTexture_[0] = 0;
  agTexture_[1] = 0;
  agProgram_ = 0;
  customAnaglyphSupported_ = false;
219
220
221

  clickTimer_.setSingleShot (true);
  connect (&clickTimer_, SIGNAL(timeout ()), this, SLOT(slotClickTimeout ()));
Jan Möbius's avatar
 
Jan Möbius committed
222
223
224
225
226
227
}


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


Jan Möbius's avatar
   
Jan Möbius committed
228
glViewer::~glViewer()
Jan Möbius's avatar
 
Jan Möbius committed
229
{
Jan Möbius's avatar
Dennis:    
Jan Möbius committed
230
  finiCustomAnaglyphStereo ();
Jan Möbius's avatar
 
Jan Möbius committed
231
232
233
234
235
236
237
  delete glstate_;
}


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


238
239
240
241
242
//QSizeF
//glViewer::sizeHint(Qt::SizeHint which, const QSizeF & constraint) const
//{
//  return QSizeF( 600, 600 );
//}
Jan Möbius's avatar
 
Jan Möbius committed
243
244
245
246

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


Jan Möbius's avatar
   
Jan Möbius committed
247
void glViewer::makeCurrent() {
Jan Möbius's avatar
 
Jan Möbius committed
248
249
250
  glWidget_->makeCurrent();
}

Jan Möbius's avatar
   
Jan Möbius committed
251
void glViewer::swapBuffers() {
Jan Möbius's avatar
 
Jan Möbius committed
252
253
254
255
256
257
  glWidget_->swapBuffers();
}


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

Jan Möbius's avatar
Jan Möbius committed
258
259
260
261
262
void glViewer::sceneGraph(ACG::SceneGraph::BaseNode* _root,
                          unsigned int               _maxPasses,
                          ACG::Vec3d                 _bbmin,
                          ACG::Vec3d                 _bbmax,
                          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
268
  {

Jan Möbius's avatar
Jan Möbius committed
269
270
    // set max number of render pass
    glstate_->set_max_render_passes(_maxPasses);
Jan Möbius's avatar
Jan Möbius committed
271
    
Jan Möbius's avatar
Jan Möbius committed
272
273
274
    if ( ( _bbmin[0] > _bbmax[0] ) ||
         ( _bbmin[1] > _bbmax[1] ) ||
         ( _bbmin[2] > _bbmax[2] )   ) {
275
276
      
      // Invalid bounding box, try to recover
277
      setScenePos( properties_.sceneCenter() , properties_.sceneRadius(), _resetTrackBall );
278
279
    
      // Update bounding box to match the scene geometry after recovery
Jan Möbius's avatar
Jan Möbius committed
280
281
      _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
282
283
    } else {
      
284
      // For very small scenes, we set the scene radius to 0.1
Jan Möbius's avatar
Jan Möbius committed
285
      // otherwise we take the real radius
Jan Möbius's avatar
Jan Möbius committed
286
287
      if ( ( _bbmax - _bbmin ).max() < OpenFlipperSettings().value("Core/Gui/glViewer/minimalSceneSize",0.1).toDouble() )  {
        setScenePos( ( _bbmin + _bbmax )        * 0.5,
288
                     OpenFlipperSettings().value("Core/Gui/glViewer/minimalSceneSize",0.1).toDouble(),
Jan Möbius's avatar
Jan Möbius committed
289
290
291
                     _resetTrackBall);
                   
      } else {
Jan Möbius's avatar
Jan Möbius committed
292
293
        setScenePos( ( _bbmin + _bbmax )        * 0.5,
                     ( _bbmax - _bbmin ).norm() * 0.5,
Jan Möbius's avatar
Jan Möbius committed
294
295
296
297
                     _resetTrackBall); 
      }
                   
    }
298
299
                   
    // remember the new bounding box for the state
Jan Möbius's avatar
Jan Möbius committed
300
    glstate_->set_bounding_box(_bbmin,_bbmax);
301
    
Jan Möbius's avatar
 
Jan Möbius committed
302
  }
303
  
Jan Möbius's avatar
 
Jan Möbius committed
304
305
306
307
308
309
310
311
312
313

  updateGL();

  emit(signalSceneGraphChanged(sceneGraphRoot_));
}


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


Jan Möbius's avatar
   
Jan Möbius committed
314
void glViewer::trackMouse(bool _track)
Jan Möbius's avatar
 
Jan Möbius committed
315
316
317
318
319
320
321
{
  trackMouse_ = _track;
}


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

322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
void glViewer::setCoordSysProjection(ProjectionMode _mode) {
  // Find coordsys node
  ACG::SceneGraph::BaseNode* node = 0;
  node = PluginFunctions::getSceneGraphRootNode()->find("Core Coordsys Node");

  // set the projection mode for the coordinate system node
  if (node != 0) {
    ACG::SceneGraph::CoordsysNode* cnode = dynamic_cast<ACG::SceneGraph::CoordsysNode*> (node);
    if (_mode ==  ORTHOGRAPHIC_PROJECTION) {
      cnode->setProjectionMode(ACG::SceneGraph::CoordsysNode::ORTHOGRAPHIC_PROJECTION);
    } else {
      cnode->setProjectionMode(ACG::SceneGraph::CoordsysNode::PERSPECTIVE_PROJECTION);
    }
  }
}


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


Jan Möbius's avatar
   
Jan Möbius committed
342
void glViewer::perspectiveProjection()
Jan Möbius's avatar
 
Jan Möbius committed
343
344
345
346
347
348
{
  projectionMode(PERSPECTIVE_PROJECTION);
  updateGL();
}


Jan Möbius's avatar
   
Jan Möbius committed
349
void glViewer::orthographicProjection()
Jan Möbius's avatar
 
Jan Möbius committed
350
351
352
353
354
355
{
  projectionMode(ORTHOGRAPHIC_PROJECTION);
  updateGL();
}


Jan Möbius's avatar
   
Jan Möbius committed
356
void glViewer::toggleProjectionMode()
Jan Möbius's avatar
 
Jan Möbius committed
357
358
359
360
361
362
363
364
365
366
{
  if (projectionMode_ == ORTHOGRAPHIC_PROJECTION)
    projectionMode(PERSPECTIVE_PROJECTION);
  else
    projectionMode(ORTHOGRAPHIC_PROJECTION);

  updateGL();
}


Jan Möbius's avatar
   
Jan Möbius committed
367
void glViewer::projectionMode(ProjectionMode _p)
Jan Möbius's avatar
 
Jan Möbius committed
368
369
{
  if ((projectionMode_ = _p) == ORTHOGRAPHIC_PROJECTION)
370
    emit projectionModeChanged( true );
Jan Möbius's avatar
 
Jan Möbius committed
371
  else
372
    emit projectionModeChanged( false );
Jan Möbius's avatar
 
Jan Möbius committed
373
374

  updateProjectionMatrix();
375

376
377
  setCoordSysProjection(_p);

378
  emit viewChanged();
Jan Möbius's avatar
 
Jan Möbius committed
379
380
}

381
382
383
void glViewer::toggleNavigationMode()
{
  if (navigationMode_ == NORMAL_NAVIGATION)
Mike Kremer's avatar
Mike Kremer committed
384
    navigationMode(FIRSTPERSON_NAVIGATION);
385
386
387
388
389
390
391
392
393
394
395
396
397
  else
    navigationMode(NORMAL_NAVIGATION);
}


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

398
399
400
401
402
403
404
405
406
407
408
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
409

Jan Möbius's avatar
   
Jan Möbius committed
410
void glViewer::updateProjectionMatrix()
Jan Möbius's avatar
 
Jan Möbius committed
411
412
413
414
415
416
417
418
{
  if( projectionUpdateLocked_ )
    return;

  makeCurrent();

  glstate_->reset_projection();

419
  // In stereo mode we have to use a perspective matrix
420
  if ( properties_.stereo() || projectionMode_ == PERSPECTIVE_PROJECTION)
Jan Möbius's avatar
 
Jan Möbius committed
421
  {
422
423
424
425
426
427
428
    double aspect;

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

429
430
431
432
    // Get fovy
    double fovy = OpenFlipperSettings().value("Core/Projection/FOVY", 45.0).toDouble();

    glstate_->perspective(fovy, (GLdouble) aspect,
433
                          properties_.nearPlane(), properties_.farPlane());
Jan Möbius's avatar
Jan Möbius committed
434
435
436
437
  }
  else
  {
    double aspect;
Jan Möbius's avatar
Jan Möbius committed
438

439
    if (isVisible() && glWidth() && glHeight())
Jan Möbius's avatar
Jan Möbius committed
440
441
      aspect = (double) glWidth() / (double) glHeight();
    else
442
      aspect = 1.0;
Jan Möbius's avatar
 
Jan Möbius committed
443

444
445
446
    glstate_->ortho( -properties_.orthoWidth(), properties_.orthoWidth(),
                     -properties_.orthoWidth()/aspect, properties_.orthoWidth()/aspect,
                      properties_.nearPlane(), properties_.farPlane() );
Jan Möbius's avatar
 
Jan Möbius committed
447
  }
448

Jan Möbius's avatar
 
Jan Möbius committed
449
450
451
452
453
454
}


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


455
void glViewer::setScenePos(const ACG::Vec3d& _center, double _radius, const bool _resetTrackBall)
Jan Möbius's avatar
 
Jan Möbius committed
456
{
457
  if(_resetTrackBall) {
458
    properties_.trackballCenter(_center);
459
460
  }

461
  properties_.sceneCenter(_center);
462

463
464
  properties_.sceneRadius(_radius);
  properties_.trackballRadius(_radius);
465

466
  ACG::Vec3d c = glstate_->modelview().transform_point(properties_.sceneCenter());
467
468

  // Set far plane
469
  properties_.farPlane( std::max(0.0002f * properties_.sceneRadius(),  -(c[2] - properties_.sceneRadius() )) );
Jan Möbius's avatar
 
Jan Möbius committed
470

471
  // Set near plane
472
  properties_.nearPlane( std::max(0.0001f * properties_.sceneRadius(),  -(c[2] + properties_.sceneRadius())) );
473
  
474
475
476
477
  updateProjectionMatrix();
  updateGL();

  emit viewChanged();
478
479
480
481
482
483
}


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


Jan Möbius's avatar
   
Jan Möbius committed
484
void glViewer::viewingDirection( const ACG::Vec3d& _dir, const ACG::Vec3d& _up )
Jan Möbius's avatar
 
Jan Möbius committed
485
486
{
  // calc eye point for this direction
487
  ACG::Vec3d eye = properties_.sceneCenter() - _dir * ( 3.0 * properties_.sceneRadius());
Jan Möbius's avatar
 
Jan Möbius committed
488
489

  glstate_->reset_modelview();
490
  glstate_->lookAt((ACG::Vec3d)eye, (ACG::Vec3d)properties_.sceneCenter(), (ACG::Vec3d)_up);
491

492
  emit viewChanged();
Jan Möbius's avatar
 
Jan Möbius committed
493
494
}

495
496
497
498
499
500
501
//-----------------------------------------------------------------------------

void glViewer::lookAt(const ACG::Vec3d& _eye, const ACG::Vec3d& _center, const ACG::Vec3d& _up) {
    
    glstate_->reset_modelview();
    glstate_->lookAt(_eye, _center, _up);
    
502
503
    properties_.sceneCenter( _center );
    properties_.sceneRadius( (properties_.sceneCenter() - _eye).norm() );
504
505
506
    
    emit viewChanged();
}
Jan Möbius's avatar
 
Jan Möbius committed
507
508
509

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

Jan Möbius's avatar
   
Jan Möbius committed
510
void glViewer::normalsMode(NormalsMode _mode)
Jan Möbius's avatar
 
Jan Möbius committed
511
512
513
514
515
516
{
  makeCurrent();

  switch(normalsMode_ = _mode)
  {
    case DONT_TOUCH_NORMALS:
517
      ACG::GLState::disable(GL_NORMALIZE);
Jan Möbius's avatar
 
Jan Möbius committed
518
519
520
      break;

    case NORMALIZE_NORMALS:
521
      ACG::GLState::enable(GL_NORMALIZE);
Jan Möbius's avatar
 
Jan Möbius committed
522
523
524
525
526
527
528
529
530
531
532
      break;
  }

  updateGL();
}


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


void
Jan Möbius's avatar
   
Jan Möbius committed
533
glViewer::copyToImage( QImage& _image,
Jan Möbius's avatar
Jan Möbius committed
534
535
		       unsigned int _l, unsigned int _t,
		       unsigned int _w, unsigned int _h,
536
			     GLenum /* _buffer */ )
Jan Möbius's avatar
 
Jan Möbius committed
537
{
538
539
540

//    makeCurrent();

Jan Möbius's avatar
Jan Möbius committed
541
  _image = glWidget_->grabFrameBuffer(true).copy (_l, _t, _w, _h).convertToFormat (QImage::Format_RGB32);
Jan Möbius's avatar
 
Jan Möbius committed
542
543
544
545
546
547
}


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


Jan Möbius's avatar
   
Jan Möbius committed
548
void glViewer::updateGL()
Jan Möbius's avatar
 
Jan Möbius committed
549
{
Jan Möbius's avatar
   
Jan Möbius committed
550
  if (!properties_.updateLocked() && isVisible() )
Jan Möbius's avatar
 
Jan Möbius committed
551
  {
Jan Möbius's avatar
Jan Möbius committed
552
    updatePickCache_ = true;
Jan Möbius's avatar
   
Jan Möbius committed
553
    update();
554
555

    emit viewUpdated();
Jan Möbius's avatar
 
Jan Möbius committed
556
557
558
559
560
561
562
563
  }
}



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


Jan Möbius's avatar
   
Jan Möbius committed
564
void glViewer::drawScene()
Jan Möbius's avatar
 
Jan Möbius committed
565
{
566
567
568
569
  
  // Inside the glWidget rendering, the system should not send extra updates
  properties_.blockSignals(true);
  
Jan Möbius's avatar
 
Jan Möbius committed
570
571
572
  QTime  timer;
  timer.start();

Jan Möbius's avatar
   
Jan Möbius committed
573
574
575
576
  // *****************************************************************
  // Adjust clipping planes
  // *****************************************************************
  // Far plane
577
  ACG::Vec3d c = glstate_->modelview().transform_point(properties_.sceneCenter());
Jan Möbius's avatar
   
Jan Möbius committed
578
579

  // Set far plane
580
  properties_.farPlane( std::max(0.0002f * properties_.sceneRadius(),  -(c[2] - properties_.sceneRadius())) );
Jan Möbius's avatar
   
Jan Möbius committed
581
582

  // Set near plane
583
  properties_.nearPlane( std::max(0.0001f * properties_.sceneRadius(),  -(c[2] + properties_.sceneRadius())) );
Jan Möbius's avatar
   
Jan Möbius committed
584

Jan Möbius's avatar
 
Jan Möbius committed
585
586
587
588
589
590
591
  updateProjectionMatrix();

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

  // draw mono or stereo
  makeCurrent();
592

Jan Möbius's avatar
Jan Möbius committed
593
594
  // Check if we use build in default renderers
  if ( renderManager().activeId( properties_.viewerId() ) == 0 ) {
595
    if ( properties_.stereo()) drawScene_stereo();
Jan Möbius's avatar
Jan Möbius committed
596
597
    else         drawScene_mono();
  } else {
598
    renderManager().active( properties_.viewerId() )->plugin->render(glstate_,properties_);
Jan Möbius's avatar
Jan Möbius committed
599
  }
600
  
Jan Möbius's avatar
Jan Möbius committed
601
602
  if ( postProcessorManager().activeId( properties_.viewerId() ) != 0 ) {
    postProcessorManager().active( properties_.viewerId() )->plugin->postProcess(glstate_);
603
  }
604
  
Jan Möbius's avatar
 
Jan Möbius committed
605
  glFinish();
Jan Möbius's avatar
Jan Möbius committed
606

Jan Möbius's avatar
 
Jan Möbius committed
607
  frame_time_ = timer.elapsed();
Jan Möbius's avatar
Jan Möbius committed
608

609
610
611
  
  // Inside the glWidget rendering, the system should not send extra updates
  properties_.blockSignals(false);
Jan Möbius's avatar
Jan Möbius committed
612

Jan Möbius's avatar
 
Jan Möbius committed
613
614
615
616
617
618
}


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


Jan Möbius's avatar
   
Jan Möbius committed
619
void glViewer::drawScene_mono()
Jan Möbius's avatar
 
Jan Möbius committed
620
{
621
622
623
624
  if (sceneGraphRoot_) {
    ViewObjectMarker *oM = properties_.objectMarker();
    GLuint refBits = 0;
    QSet<GLuint> references;
625

626
627
628
    if (oM)
    {
      glClear (GL_STENCIL_BUFFER_BIT);
629
      ACG::GLState::enable (GL_STENCIL_TEST);
630
631
      glStencilOp (GL_KEEP, GL_KEEP, GL_ZERO);
      glStencilFunc (GL_ALWAYS, 0, ~0);
632

633
634
      for (PluginFunctions::ObjectIterator o_it(PluginFunctions::ALL_OBJECTS, DATA_ALL) ;
          o_it != PluginFunctions::objectsEnd(); ++o_it)
635
      {
636
637
638
639
        bool ok;
        GLuint ref;

        ok = oM->stencilRefForObject(*o_it, ref);
640

641
        if (ok)
642
        {
643
644
645
646
          o_it->stencilRefNode ()->setReference (ref);
          o_it->stencilRefNode ()->show ();
          refBits |= ref;
          references << ref;
647
        }
648
649
        else
          o_it->stencilRefNode ()->hide ();
650
      }
651
652
    }

Jan Möbius's avatar
Jan Möbius committed
653
654
655
    // First pass
    ACG::SceneGraph::DrawAction pass1( properties_.drawMode(), *glstate_ , false);
    ACG::SceneGraph::traverse_multipass(sceneGraphRoot_, pass1, *glstate_, properties_.drawMode() );
656

Jan Möbius's avatar
Jan Möbius committed
657
658
659
    // Second Pass for Blending operations
    ACG::SceneGraph::DrawAction pass2(properties_.drawMode(), *glstate_, true);
    ACG::SceneGraph::traverse_multipass(sceneGraphRoot_, pass2, *glstate_, properties_.drawMode());
Jan Möbius's avatar
 
Jan Möbius committed
660

661
662
663
    if (oM)
    {
      if (oM->type() == ViewObjectMarker::PerBit)
Jan Möbius's avatar
 
Jan Möbius committed
664
      {
665
666
667
668
        references.clear ();
        for (unsigned int i = 0; i < sizeof (GLuint) * 8; i++)
          if (refBits & (1 << i))
            references << (1 << i);
Jan Möbius's avatar
 
Jan Möbius committed
669
      }
670

671
      glPushAttrib(GL_ALL_ATTRIB_BITS);
672

673
      ACG::GLState::enable(GL_BLEND);
674
675
676
      ACG::GLState::disable(GL_DEPTH_TEST);
      ACG::GLState::disable(GL_LIGHTING);
      ACG::GLState::disable(GL_DITHER);
677

678
679
      int vp_l, vp_b, vp_w, vp_h;
      glstate_->get_viewport (vp_l, vp_b, vp_w, vp_h);
680

681
682
683
684
685
686
687
      glMatrixMode(GL_PROJECTION);
      glPushMatrix ();
      glLoadIdentity();
      glOrtho(0, vp_w, vp_h, 0, 0, 1.0);
      glMatrixMode(GL_MODELVIEW);
      glPushMatrix ();
      glLoadIdentity();
688

689
      glStencilOp (GL_KEEP, GL_KEEP, GL_KEEP);
690

691
692
693
694
695
696
697
      foreach (unsigned int ref, references)
      {
        bool ok;
        GLenum sfactor;
        GLenum dfactor;
        ACG::Vec4f color;
        unsigned int mask = ~0;
698

699
        if (oM->type() == ViewObjectMarker::PerBit)
700
        {
701
702
          ok = oM->blendForStencilRefBit (ref, sfactor, dfactor, color);
          mask = ref;
703
        }
704
705
        else
          ok = oM->blendForStencilRefNumber (ref, sfactor, dfactor, color);
706

707
708
        if (!ok)
          continue;
709

710
        glStencilFunc (GL_EQUAL, ref, mask);
Jan Möbius's avatar
 
Jan Möbius committed
711

712
        ACG::GLState::blendFunc (sfactor, dfactor);
713
        glColor4f (color[0], color [1], color [2], color[3]);
Jan Möbius's avatar
 
Jan Möbius committed
714

715
716
717
718
719
720
721
722
        glBegin (GL_QUADS);
        glVertex2i(0, 0);
        glVertex2i(0, vp_h);
        glVertex2i(vp_w, vp_h);
        glVertex2i(vp_w, 0);
        glEnd ();

      }
Jan Möbius's avatar
 
Jan Möbius committed
723

724
725
726
727
      glMatrixMode(GL_PROJECTION);
      glPopMatrix ();
      glMatrixMode(GL_MODELVIEW);
      glPopMatrix ();
Jan Möbius's avatar
 
Jan Möbius committed
728

729
      glPopAttrib ();
730
      ACG::GLState::disable (GL_STENCIL_TEST);
Jan Möbius's avatar
 
Jan Möbius committed
731
    }
732
733


Jan Möbius's avatar
 
Jan Möbius committed
734
  }
Jan Möbius's avatar
Jan Möbius committed
735

736
  if (properties_.cursorPainter() && properties_.cursorPainter()->enabled () && properties_.cursorPositionValid() )
Jan Möbius's avatar
Dennis:    
Jan Möbius committed
737
738
739
740
741
  {
    glstate_->push_modelview_matrix ();
    // reset view transformation
    glstate_->reset_modelview ();
    // translate cursor position to 0,0
742
    glstate_->translate ( properties_.cursorPoint3D() );
Jan Möbius's avatar
Dennis:    
Jan Möbius committed
743
    // paint cursor
744
    properties_.cursorPainter()->paintCursor (glstate_);
Jan Möbius's avatar
Dennis:    
Jan Möbius committed
745
746
    glstate_->pop_modelview_matrix ();
  }
747

Jan Möbius's avatar
 
Jan Möbius committed
748
749
750
751
752
753
754
}


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


void
Jan Möbius's avatar
   
Jan Möbius committed
755
glViewer::drawScene_stereo()
Jan Möbius's avatar
 
Jan Möbius committed
756
{
Jan Möbius's avatar
Dennis:    
Jan Möbius committed
757
758
759
760
761
762
763
764
765
766
767
768
769
  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;
  }
770

Jan Möbius's avatar
Dennis:    
Jan Möbius committed
771
772
  drawScene_anaglyphStereo ();
}
Jan Möbius's avatar
 
Jan Möbius committed
773
774
775
776
777


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


Jan Möbius's avatar
   
Jan Möbius committed
778
void glViewer::setHome()
Jan Möbius's avatar
 
Jan Möbius committed
779
780
781
{
  home_modelview_          = glstate_->modelview();
  home_inverse_modelview_  = glstate_->inverse_modelview();
782
  homeOrthoWidth_          = properties_.orthoWidth();
783
784
  home_center_             = properties_.trackballCenter();
  home_radius_             = properties_.trackballRadius();
Jan Möbius's avatar
 
Jan Möbius committed
785
786
787
}


Jan Möbius's avatar
   
Jan Möbius committed
788
void glViewer::home()
Jan Möbius's avatar
 
Jan Möbius committed
789
790
791
{
  makeCurrent();
  glstate_->set_modelview(home_modelview_, home_inverse_modelview_);
792
  properties_.orthoWidth( homeOrthoWidth_ );
793
794
  properties_.trackballCenter( home_center_ );
  properties_.trackballRadius(home_radius_);
Jan Möbius's avatar
 
Jan Möbius committed
795
796
  updateProjectionMatrix();
  updateGL();
797

798
  emit viewChanged();
Jan Möbius's avatar
 
Jan Möbius committed
799
800
801
802
803
804
805

}


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


Jan Möbius's avatar
   
Jan Möbius committed
806
void glViewer::viewAll()
Jan Möbius's avatar
 
Jan Möbius committed
807
{
808
  makeCurrent();
Jan Möbius's avatar
 
Jan Möbius committed
809

810
811
  // 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
812

813
814
815
  // 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()));
816

817
818
819
820
  properties_.orthoWidth( 1.1 * properties_.sceneRadius() );
  double aspect = (double) glWidth() / (double) glHeight();
  if (aspect > 1.0)
    properties_.orthoWidth( aspect * properties_.orthoWidth() ) ;
821

Jan Möbius's avatar
Jan Möbius committed
822
823
824
825
826
  unsigned int maxPases = 1;
  ACG::Vec3d bbmin,bbmax;
  ACG::SceneGraph::analyzeSceneGraph(PluginFunctions::getSceneGraphRootNode(),maxPases,bbmin,bbmax);

  sceneGraph ( PluginFunctions::getSceneGraphRootNode(), maxPases,bbmin,bbmax,true);
827

828
829
830
  properties_.unLockUpdate();
  updateProjectionMatrix();
  updateGL();
831

832
  emit viewChanged();
Jan Möbius's avatar
 
Jan Möbius committed
833
834
835
836
837
838
839

}


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


Jan Möbius's avatar
   
Jan Möbius committed
840
void glViewer::setView(const ACG::GLMatrixd& _modelview,
Jan Möbius's avatar
 
Jan Möbius committed
841
842
843
844
845
			                  const ACG::GLMatrixd& _inverse_modelview)
{
  makeCurrent();
  glstate_->set_modelview(_modelview, _inverse_modelview);
  updateGL();
846

847
  emit viewChanged();
Jan Möbius's avatar
 
Jan Möbius committed
848
849
850
851
852
853
}


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


Jan Möbius's avatar
   
Jan Möbius committed
854
void glViewer::initializeGL()
Jan Möbius's avatar
 
Jan Möbius committed
855
856
857
{

  // lock update
858
  properties_.lockUpdate();
Jan Möbius's avatar
 
Jan Möbius committed
859
860
861
862
863

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

  // OpenGL state
864
865
  ACG::GLState::enable(GL_DEPTH_TEST);
  ACG::GLState::enable(GL_LIGHTING);
866
  ACG::GLState::disable(GL_DITHER);
867
  ACG::GLState::shadeModel( GL_FLAT );
Jan Möbius's avatar
 
Jan Möbius committed
868
869
870
871
872


  projectionMode(   projectionMode_   );
  normalsMode(      normalsMode_      );

873
  // Update all settings which would require a redraw
874
  applyProperties();
Jan Möbius's avatar
 
Jan Möbius committed
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892

  // 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)
893
  properties_.unLockUpdate();
Jan Möbius's avatar
Dennis:    
Jan Möbius committed
894

895
896
897
898
  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"));
899
900
901
902
903

  initialized_ = true;

  if (sceneGraphRoot_)
  {
Jan Möbius's avatar
Jan Möbius committed
904
905
906
907
908
909
910
    unsigned int maxPases = 1;
    ACG::Vec3d bbmin,bbmax;
    ACG::SceneGraph::analyzeSceneGraph(sceneGraphRoot_,maxPases,bbmin,bbmax);

    sceneGraph ( sceneGraphRoot_, maxPases,bbmin,bbmax,true);

    viewAll();
911
  }
Jan Möbius's avatar
 
Jan Möbius committed
912
913
914
915
916
917
}


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


Jan Möbius's avatar
   
Jan Möbius committed
918
void glViewer::paintGL()
Jan Möbius's avatar
 
Jan Möbius committed
919
{
920
921
  if (!initialized_)
    initializeGL ();
Jan Möbius's avatar
 
Jan Möbius committed
922

923
  if (!properties_.updateLocked())
Jan Möbius's avatar
 
Jan Möbius committed
924
  {
Jan Möbius's avatar
Dennis:    
Jan Möbius committed
925
926
    ACG::Vec4f clear_color;

927
    properties_.lockUpdate();
Jan Möbius's avatar
 
Jan Möbius committed
928
929
930

    glPushAttrib (GL_ALL_ATTRIB_BITS);

931
932
    ACG::GLState::enable(GL_DEPTH_TEST);
    ACG::GLState::enable(GL_LIGHTING);
933
    ACG::GLState::disable(GL_DITHER);
934
    ACG::GLState::shadeModel( GL_FLAT );
Jan Möbius's avatar
 
Jan Möbius committed
935
936
937
938
939
940
941
942
943
944

    glMatrixMode(GL_PROJECTION);
    glPushMatrix();

    glMatrixMode(GL_MODELVIEW);
    glPushMatrix();


    normalsMode(      normalsMode_      );

945
    applyProperties();
946

947
    glstate_->setState();
Jan Möbius's avatar
 
Jan Möbius committed
948
949
950
951

    glColor4f(1.0,0.0,0.0,1.0);

    // clear (stereo mode clears buffers on its own)
952
    if (! properties_.stereo())
Jan Möbius's avatar
   
Jan Möbius committed
953
      glstate_->clearBuffers ();
Jan Möbius's avatar
 
Jan Möbius committed
954

955
    properties_.unLockUpdate();
Jan Möbius's avatar
 
Jan Möbius committed
956
957
958
959
960
961
962
963
964
965
966

    // draw scene
    drawScene();

    glPopMatrix();

    glMatrixMode(GL_PROJECTION);
    glPopMatrix();

    glPopAttrib ();
  }
967

Jan Möbius's avatar
 
Jan Möbius committed
968
969
970
971
972
973
}


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


Jan Möbius's avatar
   
Jan Möbius committed
974
void glViewer::resizeEvent(QGraphicsSceneResizeEvent *)
Jan Möbius's avatar
 
Jan Möbius committed
975
976
{
  updateProjectionMatrix();
Jan Möbius's avatar
   
Jan Möbius committed
977
  glstate_->viewport(scenePos().x(),
Jan Möbius's avatar
Jan Möbius committed
978
979
980
                     scene()->height () - scenePos().y() - size().height (),
                     size().width (), size().height (),
                     scene()->width (), scene()->height ());
Jan Möbius's avatar
   
Jan Möbius committed
981
  update();
982

983
  emit viewChanged();
Jan Möbius's avatar
 
Jan Möbius committed
984
985
}

Jan Möbius's avatar
   
Jan Möbius committed
986
987
988
void glViewer::moveEvent (QGraphicsSceneMoveEvent *)
{
  glstate_->viewport(scenePos().x(),
Jan Möbius's avatar
Jan Möbius committed
989
990
991
                     scene()->height () - scenePos().y() - size().height (),
                     size().width (), size().height (),
                     scene()->width (), scene()->height ());
Jan Möbius's avatar
   
Jan Möbius committed
992
  update();
993

994
  emit viewChanged();
Jan Möbius's avatar
   
Jan Möbius committed
995
}
Jan Möbius's avatar
 
Jan Möbius committed
996
997
998

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

999
void glViewer::encodeView(QString& _view, const QSize& _windowSize /*= QSize()*/, const int _splitterWidth /*=-1*/)
Jan Möbius's avatar
 
Jan Möbius committed
1000
{
1001
  // Get current matrices
Jan Möbius's avatar
 
Jan Möbius committed
1002
1003
1004
  const ACG::GLMatrixd m = glstate_->modelview();
  const ACG::GLMatrixd p = glstate_->projection();

1005
  // Add modelview matrix to output
1006
  _view += QString(COPY_PASTE_VIEW_START_STRING) + "\n";
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
  _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
1019
  _view += QString::number(_windowSize.width()) + " " +  QString::number(_windowSize.height()) + " "  + QString::number(_splitterWidth)+ " " + QString::number(projectionMode_) + " " + QString::number(properties_.orthoWidth()) + "\n";
Jan Möbius's avatar
 
Jan Möbius committed
1020
1021
1022
1023
1024
1025
}


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


1026
bool glViewer::decodeView(const QString& _view, QSize *_windowSize /*= NULL*/, int* _splitterWidth /*= NULL*/)
Jan Möbius's avatar
 
Jan Möbius committed
1027
{
1028
1029
1030
  if (_view.left(sizeof(COPY_PASTE_VIEW_START_STRING)-1) != QString(COPY_PASTE_VIEW_START_STRING))
  {
    std::cerr << "No View was copied." << std::endl;
Jan Möbius's avatar
 
Jan Möbius committed
1031
    return false;
1032
  }
Jan Möbius's avatar
 
Jan Möbius committed
1033

1034
1035
  // Remove the magic from the string
  QString temp = _view;
1036
  temp.remove(0,sizeof(COPY_PASTE_VIEW_START_STRING));
Jan Möbius's avatar
 
Jan Möbius committed
1037

1038
1039
  //Split it into its components
  QStringList split = temp.split(QRegExp("[\\n\\s]"),QString::SkipEmptyParts);
Jan Möbius's avatar
 
Jan Möbius committed
1040
1041

  ACG::GLMatrixd m, p;
Jan Möbius's avatar
Jan Möbius committed
1042
  int            pMode;
Jan Möbius's avatar
 
Jan Möbius committed
1043

1044
1045
1046
1047
1048
1049
1050
1051
  // New version
  if ( split.size() == 37 ) {

    //*********************************************************
    // Parse the components
    // first, get the projection and the modelview matrices
    //*********************************************************
    for (std::size_t i = 0; i < 4; ++i)
1052
    {
1053
1054
1055
1056
1057
      for (std::size_t j = 0; j < 4; ++j)
      {
        m(i,j) = split[i*4 + j].toDouble();
        p(i,j) = split[i*4 + j +16].toDouble();
      }
1058
1059
    }

1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
    //*********************************************************
    //parse the window size if requested
    //*********************************************************
    if (_windowSize)
    {
      //restore the old window size
      int w =  split[32].toInt();
      int h =  split[33].toInt();
      *_windowSize = QSize(w,h);
    }

    //*********************************************************
    //parse the splitter width for the toolboxes if requested
    //*********************************************************
1074
    if (_splitterWidth) {
1075
1076
      *_splitterWidth = split[34].toInt();
    }
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
1107
1108
1109
1110
1111
1112
1113
    //*********************************************************
    // Projection mode and orthogonal width
    //*********************************************************
    pMode =  split[35].toInt();
    properties_.orthoWidth( split[36].toDouble() );

  } else if ( split.size() == 36 )  { // Old Version

    //*********************************************************
    // Parse the components
    // first, get the projection and the modelview matrices
    //*********************************************************
    for (std::size_t i = 0; i < 4; ++i)
    {
      for (std::size_t j = 0; j < 4; ++j)
      {
        m(i,j) = split[i*4 + j].toDouble();
        p(i,j) = split[i*4 + j +16].toDouble();
      }
    }

    //*********************************************************
    //parse the window size if requested
    //*********************************************************
    if (_windowSize)
    {
      //restore the old window size
      int w =  split[32].toInt();
      int h =  split[33].toInt();
      *_windowSize = QSize(w,h);
    }


    //*********************************************************
    // Return -1 to inform, that the value is unknown
    //*********************************************************
1114
1115
1116
    if (_splitterWidth) {
      *_splitterWidth = -1;
    }
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127

    //*********************************************************
    // Projection mode and orthogonal width
    //*********************************************************
    pMode =  split[34].toInt();
    properties_.orthoWidth( split[35].toDouble() );

  } else { // Garbage ?!
    std::cerr << "Unable to paste view ... wrong parameter count!! is" <<  split.size()  << std::endl;
    return false;
  }
1128
1129

  // Switch to our gl context
Jan Möbius's avatar
 
Jan Möbius committed
1130
1131
  makeCurrent();

1132
  // set projection mode
Jan Möbius's avatar
 
Jan Möbius committed
1133
1134
1135
  if (projectionMode_ != (ProjectionMode)pMode)
    projectionMode((ProjectionMode)pMode);

1136
  // Apply new modelview matrix
Jan Möbius's avatar
 
Jan Möbius committed
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
  glstate_->set_modelview(m);

  updateGL();

  return true;
}


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


1148
void glViewer::actionCopyView(const QSize &_windowSize /*= QSize(-1,-1)*/, const int _splitterWidth /*= -1*/)
1149
{