QtBaseViewer.cc 67.6 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>

Jan Möbius's avatar
 
Jan Möbius committed
123 124 125 126 127 128 129 130 131 132 133 134
//== NAMESPACES ===============================================================



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

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

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


135
glViewer::glViewer( QGraphicsScene* _scene,
136
                    QGLWidget* _glWidget,
137
                    Viewer::ViewerProperties& _properties,
138
                    QGraphicsWidget* _parent) :
Jan Möbius's avatar
 
Jan Möbius committed
139
  QGraphicsWidget(_parent),
Jan Möbius's avatar
 
Jan Möbius committed
140 141 142
  glareaGrabbed_(false),
  projectionUpdateLocked_(false),
  blending_(true),
Jan Möbius's avatar
 
Jan Möbius committed
143 144
  glScene_(_scene),
  glWidget_(_glWidget),
Jan Möbius's avatar
Dennis:  
Jan Möbius committed
145 146
  cursorPainter_(0),
  cursorPositionValid_(false),
147 148
  pProgram_(0),
  philipsStereoInitialized_(false),
149 150 151 152
  colorTextureBufferWidth_(0),
  colorTextureBufferHeight_(0),
  depthStencilTextureBufferWidth_(0),
  depthStencilTextureBufferHeight_(0),
Jan Möbius's avatar
Jan Möbius committed
153 154 155
  pickCache_(0),
  updatePickCache_(true),
  pickCacheSupported_(true),
156
  clickEvent_(QEvent::MouseButtonPress, QPoint (), Qt::NoButton, Qt::NoButton, Qt::NoModifier),
Dirk Wilden's avatar
Dirk Wilden committed
157
  properties_(_properties),
158 159
  glstate_(0),
  initialized_(false)
Jan Möbius's avatar
 
Jan Möbius committed
160 161 162
{

  // widget stuff
163
  createWidgets();
Jan Möbius's avatar
 
Jan Möbius committed
164 165 166

  // bind GL context to GL state class
  glstate_ = new ACG::GLState();
167 168
  properties_.setglState( glstate_ );

Jan Möbius's avatar
 
Jan Möbius committed
169 170
  // state
  isRotating_       = false;
Mike Kremer's avatar
Mike Kremer committed
171
  lookAround_       = false;
Jan Möbius's avatar
 
Jan Möbius committed
172 173 174

  sceneGraphRoot_   = 0;

175
  normalsMode_      = NORMALIZE_NORMALS;
Jan Möbius's avatar
 
Jan Möbius committed
176
  projectionMode_   = PERSPECTIVE_PROJECTION;
Jan Möbius's avatar
Jan Möbius committed
177
  navigationMode_   = NORMAL_NAVIGATION;
178

Jan Möbius's avatar
 
Jan Möbius committed
179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195
  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 ();

196 197 198 199 200 201 202
  // timer for animation
  timer_ = new QTimer( this );
  connect( timer_, SIGNAL(timeout()), this, SLOT( slotAnimation()) );

  allowRotation_ = true;


Jan Möbius's avatar
 
Jan Möbius committed
203 204 205
  connect( &properties_,SIGNAL(updated()), this, SLOT( slotPropertiesUpdated() ) );


Dirk Wilden's avatar
Dirk Wilden committed
206 207 208
  //check for updated properties once
  slotPropertiesUpdated();

Jan Möbius's avatar
 
Jan Möbius committed
209
  setAcceptDrops(true);
Jan Möbius's avatar
Dennis:  
Jan Möbius committed
210

211
  setHome();
Jan Möbius's avatar
Dennis:  
Jan Möbius committed
212 213 214 215 216 217 218 219

  // initialize custom anaglyph stereo
  agTexWidth_ = 0;
  agTexHeight_ = 0;
  agTexture_[0] = 0;
  agTexture_[1] = 0;
  agProgram_ = 0;
  customAnaglyphSupported_ = false;
220 221 222

  clickTimer_.setSingleShot (true);
  connect (&clickTimer_, SIGNAL(timeout ()), this, SLOT(slotClickTimeout ()));
Jan Möbius's avatar
 
Jan Möbius committed
223 224 225 226 227 228
}


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


Jan Möbius's avatar
 
Jan Möbius committed
229
glViewer::~glViewer()
Jan Möbius's avatar
 
Jan Möbius committed
230
{
Jan Möbius's avatar
Dennis:  
Jan Möbius committed
231
  finiCustomAnaglyphStereo ();
Jan Möbius's avatar
 
Jan Möbius committed
232 233 234 235 236 237 238 239
  delete glstate_;
}


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


QSize
Jan Möbius's avatar
 
Jan Möbius committed
240
glViewer::sizeHint() const
Jan Möbius's avatar
 
Jan Möbius committed
241 242 243 244 245 246 247
{
  return QSize( 600, 600 );
}

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


Jan Möbius's avatar
 
Jan Möbius committed
248
void glViewer::makeCurrent() {
Jan Möbius's avatar
 
Jan Möbius committed
249 250 251
  glWidget_->makeCurrent();
}

Jan Möbius's avatar
 
Jan Möbius committed
252
void glViewer::swapBuffers() {
Jan Möbius's avatar
 
Jan Möbius committed
253 254 255 256 257 258 259
  glWidget_->swapBuffers();
}


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


260
void glViewer::sceneGraph(ACG::SceneGraph::BaseNode* _root, const bool _resetTrackBall)
Jan Möbius's avatar
 
Jan Möbius committed
261 262 263
{
  sceneGraphRoot_ = _root;

Jan Möbius's avatar
Jan Möbius committed
264
  if (sceneGraphRoot_ )
Jan Möbius's avatar
 
Jan Möbius committed
265
  {
Jan Möbius's avatar
Jan Möbius committed
266 267 268 269 270 271 272 273
    
    // 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
274
    // get scene size
Jan Möbius's avatar
Jan Möbius committed
275
    // Single pass action, as the bounding box is not influenced by multipass traversal
Jan Möbius's avatar
 
Jan Möbius committed
276 277 278 279 280
    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
281 282
    
    
Jan Möbius's avatar
 
Jan Möbius committed
283 284 285

    if ( ( bbmin[0] > bbmax[0] ) ||
         ( bbmin[1] > bbmax[1] ) ||
286 287 288
         ( bbmin[2] > bbmax[2] )   ) {
      
      // Invalid bounding box, try to recover
289
      setScenePos( ACG::Vec3d( 0.0,0.0,0.0 ) , 1.0, _resetTrackBall );
290 291 292 293
    
      // 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
294 295
    } else {
      
296
      // For very small scenes, we set the scene radius to 0.1
Jan Möbius's avatar
Jan Möbius committed
297
      // otherwise we take the real radius
298
      if ( ( bbmax - bbmin ).max() < OpenFlipperSettings().value("Core/Gui/glViewer/minimalSceneSize",0.1).toDouble() )  {
Jan Möbius's avatar
Jan Möbius committed
299
        setScenePos( ( bbmin + bbmax )        * 0.5,
300
                     OpenFlipperSettings().value("Core/Gui/glViewer/minimalSceneSize",0.1).toDouble(),
Jan Möbius's avatar
Jan Möbius committed
301 302 303 304 305 306 307 308 309
                     _resetTrackBall);
                   
      } else {
        setScenePos( ( bbmin + bbmax )        * 0.5,
                     ( bbmax - bbmin ).norm() * 0.5,
                     _resetTrackBall); 
      }
                   
    }
310 311 312 313
                   
    // remember the new bounding box for the state
    glstate_->set_bounding_box(bbmin,bbmax);
    
Jan Möbius's avatar
 
Jan Möbius committed
314
  }
315
  
Jan Möbius's avatar
 
Jan Möbius committed
316 317 318 319 320 321 322 323 324 325

  updateGL();

  emit(signalSceneGraphChanged(sceneGraphRoot_));
}


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


Jan Möbius's avatar
 
Jan Möbius committed
326
void glViewer::trackMouse(bool _track)
Jan Möbius's avatar
 
Jan Möbius committed
327 328 329 330 331 332 333
{
  trackMouse_ = _track;
}


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

Jan Möbius's avatar
 
Jan Möbius committed
334
void glViewer::perspectiveProjection()
Jan Möbius's avatar
 
Jan Möbius committed
335 336 337 338 339 340
{
  projectionMode(PERSPECTIVE_PROJECTION);
  updateGL();
}


Jan Möbius's avatar
 
Jan Möbius committed
341
void glViewer::orthographicProjection()
Jan Möbius's avatar
 
Jan Möbius committed
342 343 344 345 346 347
{
  projectionMode(ORTHOGRAPHIC_PROJECTION);
  updateGL();
}


Jan Möbius's avatar
 
Jan Möbius committed
348
void glViewer::toggleProjectionMode()
Jan Möbius's avatar
 
Jan Möbius committed
349 350 351 352 353 354 355 356 357 358
{
  if (projectionMode_ == ORTHOGRAPHIC_PROJECTION)
    projectionMode(PERSPECTIVE_PROJECTION);
  else
    projectionMode(ORTHOGRAPHIC_PROJECTION);

  updateGL();
}


Jan Möbius's avatar
 
Jan Möbius committed
359
void glViewer::projectionMode(ProjectionMode _p)
Jan Möbius's avatar
 
Jan Möbius committed
360 361
{
  if ((projectionMode_ = _p) == ORTHOGRAPHIC_PROJECTION)
362
    emit projectionModeChanged( true );
Jan Möbius's avatar
 
Jan Möbius committed
363
  else
364
    emit projectionModeChanged( false );
Jan Möbius's avatar
 
Jan Möbius committed
365 366

  updateProjectionMatrix();
367

368
  emit viewChanged();
Jan Möbius's avatar
 
Jan Möbius committed
369 370
}

371 372 373
void glViewer::toggleNavigationMode()
{
  if (navigationMode_ == NORMAL_NAVIGATION)
Mike Kremer's avatar
Mike Kremer committed
374
    navigationMode(FIRSTPERSON_NAVIGATION);
375 376 377 378 379 380 381 382 383 384 385 386 387
  else
    navigationMode(NORMAL_NAVIGATION);
}


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

388 389 390 391 392 393 394 395 396 397 398
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
399

Jan Möbius's avatar
 
Jan Möbius committed
400
void glViewer::updateProjectionMatrix()
Jan Möbius's avatar
 
Jan Möbius committed
401 402 403 404 405 406 407 408
{
  if( projectionUpdateLocked_ )
    return;

  makeCurrent();

  glstate_->reset_projection();

409
  // In stereo mode we have to use a perspective matrix
Jan Möbius's avatar
Jan Möbius committed
410
  if (stereo_ || projectionMode_ == PERSPECTIVE_PROJECTION)
Jan Möbius's avatar
 
Jan Möbius committed
411
  {
412 413 414 415 416 417 418
    double aspect;

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

419 420 421 422
    // Get fovy
    double fovy = OpenFlipperSettings().value("Core/Projection/FOVY", 45.0).toDouble();

    glstate_->perspective(fovy, (GLdouble) aspect,
423
                          properties_.nearPlane(), properties_.farPlane());
Jan Möbius's avatar
Jan Möbius committed
424 425 426 427
  }
  else
  {
    double aspect;
Jan Möbius's avatar
Jan Möbius committed
428

429
    if (isVisible() && glWidth() && glHeight())
Jan Möbius's avatar
Jan Möbius committed
430 431
      aspect = (double) glWidth() / (double) glHeight();
    else
432
      aspect = 1.0;
Jan Möbius's avatar
 
Jan Möbius committed
433

434 435 436
    glstate_->ortho( -properties_.orthoWidth(), properties_.orthoWidth(),
                     -properties_.orthoWidth()/aspect, properties_.orthoWidth()/aspect,
                      properties_.nearPlane(), properties_.farPlane() );
Jan Möbius's avatar
 
Jan Möbius committed
437
  }
438

Jan Möbius's avatar
 
Jan Möbius committed
439 440 441 442 443 444
}


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


445
void glViewer::setScenePos(const ACG::Vec3d& _center, double _radius, const bool _resetTrackBall)
Jan Möbius's avatar
 
Jan Möbius committed
446
{
447
  if(_resetTrackBall) {
448
    properties_.trackballCenter(_center);
449 450
  }

451
  properties_.sceneCenter(_center);
452

453 454
  properties_.sceneRadius(_radius);
  properties_.trackballRadius(_radius);
455

456
  ACG::Vec3d c = glstate_->modelview().transform_point(properties_.sceneCenter());
457 458

  // Set far plane
459
  properties_.farPlane( std::max(0.0002f * properties_.sceneRadius(),  -(c[2] - properties_.sceneRadius() )) );
Jan Möbius's avatar
 
Jan Möbius committed
460

461
  // Set near plane
462
  properties_.nearPlane( std::max(0.0001f * properties_.sceneRadius(),  -(c[2] + properties_.sceneRadius())) );
463
  
464 465 466 467
  updateProjectionMatrix();
  updateGL();

  emit viewChanged();
468 469 470 471 472 473
}


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


Jan Möbius's avatar
 
Jan Möbius committed
474
void glViewer::viewingDirection( const ACG::Vec3d& _dir, const ACG::Vec3d& _up )
Jan Möbius's avatar
 
Jan Möbius committed
475 476
{
  // calc eye point for this direction
477
  ACG::Vec3d eye = properties_.sceneCenter() - _dir * ( 3.0 * properties_.sceneRadius());
Jan Möbius's avatar
 
Jan Möbius committed
478 479

  glstate_->reset_modelview();
480
  glstate_->lookAt((ACG::Vec3d)eye, (ACG::Vec3d)properties_.sceneCenter(), (ACG::Vec3d)_up);
481

482
  emit viewChanged();
Jan Möbius's avatar
 
Jan Möbius committed
483 484
}

485 486 487 488 489 490 491
//-----------------------------------------------------------------------------

void glViewer::lookAt(const ACG::Vec3d& _eye, const ACG::Vec3d& _center, const ACG::Vec3d& _up) {
    
    glstate_->reset_modelview();
    glstate_->lookAt(_eye, _center, _up);
    
492 493
    properties_.sceneCenter( _center );
    properties_.sceneRadius( (properties_.sceneCenter() - _eye).norm() );
494 495 496
    
    emit viewChanged();
}
Jan Möbius's avatar
 
Jan Möbius committed
497 498 499

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

Jan Möbius's avatar
 
Jan Möbius committed
500
void glViewer::normalsMode(NormalsMode _mode)
Jan Möbius's avatar
 
Jan Möbius committed
501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522
{
  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
523
glViewer::copyToImage( QImage& _image,
Jan Möbius's avatar
Jan Möbius committed
524 525
		       unsigned int _l, unsigned int _t,
		       unsigned int _w, unsigned int _h,
526
			     GLenum /* _buffer */ )
Jan Möbius's avatar
 
Jan Möbius committed
527
{
528 529 530 531

//    qApp->processEvents();
//    makeCurrent();

Jan Möbius's avatar
Jan Möbius committed
532
  _image = glWidget_->grabFrameBuffer(true).copy (_l, _t, _w, _h).convertToFormat (QImage::Format_RGB32);
Jan Möbius's avatar
 
Jan Möbius committed
533 534 535 536 537 538
}


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


Jan Möbius's avatar
 
Jan Möbius committed
539
void glViewer::updateGL()
Jan Möbius's avatar
 
Jan Möbius committed
540
{
Jan Möbius's avatar
 
Jan Möbius committed
541
  if (!properties_.updateLocked() && isVisible() )
Jan Möbius's avatar
 
Jan Möbius committed
542
  {
Jan Möbius's avatar
Jan Möbius committed
543
    updatePickCache_ = true;
Jan Möbius's avatar
 
Jan Möbius committed
544
    update();
545 546

    emit viewUpdated();
Jan Möbius's avatar
 
Jan Möbius committed
547 548 549 550 551 552 553 554
  }
}



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


Jan Möbius's avatar
 
Jan Möbius committed
555
void glViewer::drawScene()
Jan Möbius's avatar
 
Jan Möbius committed
556
{
557 558 559 560
  
  // Inside the glWidget rendering, the system should not send extra updates
  properties_.blockSignals(true);
  
Jan Möbius's avatar
 
Jan Möbius committed
561 562 563
  QTime  timer;
  timer.start();

Jan Möbius's avatar
 
Jan Möbius committed
564 565 566 567
  // *****************************************************************
  // Adjust clipping planes
  // *****************************************************************
  // Far plane
568
  ACG::Vec3d c = glstate_->modelview().transform_point(properties_.sceneCenter());
Jan Möbius's avatar
 
Jan Möbius committed
569 570

  // Set far plane
571
  properties_.farPlane( std::max(0.0002f * properties_.sceneRadius(),  -(c[2] - properties_.sceneRadius())) );
Jan Möbius's avatar
 
Jan Möbius committed
572 573

  // Set near plane
574
  properties_.nearPlane( std::max(0.0001f * properties_.sceneRadius(),  -(c[2] + properties_.sceneRadius())) );
Jan Möbius's avatar
 
Jan Möbius committed
575

Jan Möbius's avatar
 
Jan Möbius committed
576 577 578 579 580 581 582 583 584 585
  updateProjectionMatrix();

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

  // draw mono or stereo
  makeCurrent();
  if (stereo_) drawScene_stereo();
  else         drawScene_mono();

586 587
  
  
Jan Möbius's avatar
 
Jan Möbius committed
588 589
  glFinish();
  frame_time_ = timer.elapsed();
Jan Möbius's avatar
Jan Möbius committed
590

591 592 593
  
  // Inside the glWidget rendering, the system should not send extra updates
  properties_.blockSignals(false);
Jan Möbius's avatar
Jan Möbius committed
594

Jan Möbius's avatar
 
Jan Möbius committed
595 596 597 598 599 600
}


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


Jan Möbius's avatar
 
Jan Möbius committed
601
void glViewer::drawScene_mono()
Jan Möbius's avatar
 
Jan Möbius committed
602 603 604
{
  if (sceneGraphRoot_)
  {
605
    if (! properties_.renderPicking() ) {
606

Jan Möbius's avatar
Jan Möbius committed
607
      ViewObjectMarker *oM = properties_.objectMarker();
608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637
      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 ();
        }
      }

638
      ACG::SceneGraph::DrawAction action( properties_.drawMode(), *glstate_ , false);
639
      ACG::SceneGraph::traverse_multipass(sceneGraphRoot_, action, *glstate_, properties_.drawMode() );
Jan Möbius's avatar
 
Jan Möbius committed
640 641 642

      if( blending_ )
      {
643
        ACG::SceneGraph::DrawAction action(properties_.drawMode(), *glstate_, true);
644
        ACG::SceneGraph::traverse_multipass(sceneGraphRoot_, action, *glstate_, properties_.drawMode());
Jan Möbius's avatar
 
Jan Möbius committed
645
      }
646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717

      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
718 719 720 721 722 723
    } else {

      // prepare GL state
      makeCurrent();

      glDisable(GL_LIGHTING);
Jan Möbius's avatar
Dennis:  
Jan Möbius committed
724
      glDisable(GL_BLEND);
Jan Möbius's avatar
 
Jan Möbius committed
725 726 727 728 729
      glClear(GL_DEPTH_BUFFER_BIT);
      glInitNames();
      glPushName((GLuint) 0);

      // do the picking
Jan Möbius's avatar
Dennis:  
Jan Möbius committed
730
      glstate_->pick_init (true);
Jan Möbius's avatar
Jan Möbius committed
731
      ACG::SceneGraph::PickAction action(*glstate_, properties_.renderPickingMode(), properties_.drawMode());
732
      ACG::SceneGraph::traverse_multipass(sceneGraphRoot_, action,*glstate_);
Jan Möbius's avatar
 
Jan Möbius committed
733 734

      glEnable(GL_LIGHTING);
Jan Möbius's avatar
Dennis:  
Jan Möbius committed
735
      glEnable(GL_BLEND);
Jan Möbius's avatar
 
Jan Möbius committed
736
    }
737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813
    
    // Render depth?
    // If so, we take our depth buffer and draw it as our scene image
    if ( properties_.renderDepthImage() ) {

      // ======================================================================================================
      // Adjust buffer to correct size
      // ======================================================================================================
      updateDepthStencilTextureBuffer();
      
      // ======================================================================================================
      // Get current viewport size
      // ======================================================================================================
      int vp_l, vp_b, vp_w, vp_h;
      glstate_->get_viewport (vp_l, vp_b, vp_w, vp_h);
          
      // ======================================================================================================
      // Bind depth Stencil texture
      // ======================================================================================================
      pDepthStencilTexture_.enable();
      pDepthStencilTexture_.bind();

      // ======================================================================================================
      // Copy depth component of rendered image to texture
      // ======================================================================================================
      glCopyTexImage2D( GL_TEXTURE_2D, 0, GL_DEPTH24_STENCIL8_EXT, 0, 0, vp_w , vp_h, 0);
      
      // ======================================================================================================
      // Render plain textured
      // ======================================================================================================
      glDisable(GL_LIGHTING);
      glDisable(GL_COLOR_MATERIAL);
      glDisable(GL_DEPTH_TEST);
      
      // ======================================================================================================
      // Setup orthogonal projection
      // ======================================================================================================
      glstate_->push_projection_matrix();
      glstate_->push_modelview_matrix();
      
      glstate_->reset_projection();
      glstate_->reset_modelview();
      
      glstate_->ortho(0, vp_w, 0, vp_h, 0, 1);
      
      // ======================================================================================================
      // Clear rendering buffer
      // ======================================================================================================
      glClearColor(0.0, 0.0, 0.0, 0.0);
      glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
      
      // ======================================================================================================
      // Render a simple quad (rest is done by the texture)
      // ======================================================================================================
      glBegin(GL_QUADS);
        glTexCoord2f(0.0f, 0.0f);
        glVertex2i(0, 0);
        glTexCoord2f(1.0f, 0.0f);
        glVertex2i(vp_w, 0);
        glTexCoord2f(1.0f, 1.0f);
        glVertex2i(vp_w, vp_h);
        glTexCoord2f(0.0f, 1.0f);
        glVertex2i(0, vp_h);
      glEnd();
      
      // Disable depth stencil buffer
      pDepthStencilTexture_.disable();
      
      // ======================================================================================================
      // Reset projection and modelview
      // ======================================================================================================
      glstate_->pop_projection_matrix();
      glstate_->pop_modelview_matrix();
      
    }
    
    
Jan Möbius's avatar
 
Jan Möbius committed
814
  }
Jan Möbius's avatar
Jan Möbius committed
815

Jan Möbius's avatar
Dennis:  
Jan Möbius committed
816 817 818 819 820 821 822 823 824 825 826
  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 ();
  }
Jan Möbius's avatar
 
Jan Möbius committed
827 828 829 830 831 832 833
}


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


void
Jan Möbius's avatar
 
Jan Möbius committed
834
glViewer::drawScene_stereo()
Jan Möbius's avatar
 
Jan Möbius committed
835
{
Jan Möbius's avatar
Dennis:  
Jan Möbius committed
836 837 838 839 840 841 842 843 844 845 846 847
  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;
848 849 850
  } else if (OpenFlipper::Options::stereoMode () == OpenFlipper::Options::Philips )
  {
    drawScenePhilipsStereo ();
851

852
    return;
853

Jan Möbius's avatar
Dennis:  
Jan Möbius committed
854
  }
855 856


Jan Möbius's avatar
 
Jan Möbius committed
857

Jan Möbius's avatar
Dennis:  
Jan Möbius committed
858 859
  drawScene_anaglyphStereo ();
}
Jan Möbius's avatar
 
Jan Möbius committed
860 861 862 863 864


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


Jan Möbius's avatar
 
Jan Möbius committed
865
void glViewer::setHome()
Jan Möbius's avatar
 
Jan Möbius committed
866 867 868
{
  home_modelview_          = glstate_->modelview();
  home_inverse_modelview_  = glstate_->inverse_modelview();
869
  homeOrthoWidth_          = properties_.orthoWidth();
870 871
  home_center_             = properties_.trackballCenter();
  home_radius_             = properties_.trackballRadius();
Jan Möbius's avatar
 
Jan Möbius committed
872 873 874
}


Jan Möbius's avatar
 
Jan Möbius committed
875
void glViewer::home()
Jan Möbius's avatar
 
Jan Möbius committed
876 877 878
{
  makeCurrent();
  glstate_->set_modelview(home_modelview_, home_inverse_modelview_);
879
  properties_.orthoWidth( homeOrthoWidth_ );
880 881
  properties_.trackballCenter( home_center_ );
  properties_.trackballRadius(home_radius_);
Jan Möbius's avatar
 
Jan Möbius committed
882 883
  updateProjectionMatrix();
  updateGL();
884

885
  emit viewChanged();
Jan Möbius's avatar
 
Jan Möbius committed
886 887 888 889 890 891 892

}


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


Jan Möbius's avatar
 
Jan Möbius committed
893
void glViewer::viewAll()
Jan Möbius's avatar
 
Jan Möbius committed
894
{
895
  makeCurrent();
Jan Möbius's avatar
 
Jan Möbius committed
896

897 898
  // 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
899

900 901 902
  // 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()));
903

904 905 906 907
  properties_.orthoWidth( 1.1 * properties_.sceneRadius() );
  double aspect = (double) glWidth() / (double) glHeight();
  if (aspect > 1.0)
    properties_.orthoWidth( aspect * properties_.orthoWidth() ) ;
908

909
  sceneGraph(PluginFunctions::getSceneGraphRootNode(), true);
910

911 912 913
  properties_.unLockUpdate();
  updateProjectionMatrix();
  updateGL();
914

915
  emit viewChanged();
Jan Möbius's avatar
 
Jan Möbius committed
916 917 918 919 920 921 922

}


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


Jan Möbius's avatar
 
Jan Möbius committed
923
void glViewer::setView(const ACG::GLMatrixd& _modelview,
Jan Möbius's avatar
 
Jan Möbius committed
924 925 926 927 928
			                  const ACG::GLMatrixd& _inverse_modelview)
{
  makeCurrent();
  glstate_->set_modelview(_modelview, _inverse_modelview);
  updateGL();
929

930
  emit viewChanged();
Jan Möbius's avatar
 
Jan Möbius committed
931 932 933 934 935 936
}


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


Jan Möbius's avatar
 
Jan Möbius committed
937
void glViewer::initializeGL()
Jan Möbius's avatar
 
Jan Möbius committed
938 939 940
{

  // lock update
941
  properties_.lockUpdate();
Jan Möbius's avatar
 
Jan Möbius committed
942 943 944 945 946 947 948 949 950 951 952 953 954 955

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

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


  projectionMode(   projectionMode_   );
  normalsMode(      normalsMode_      );

956
  // Update all settings which would require a redraw
957
  applyProperties();
Jan Möbius's avatar
 
Jan Möbius committed
958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975

  // 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)
976
  properties_.unLockUpdate();
Jan Möbius's avatar
Dennis:  
Jan Möbius committed
977

978 979 980 981
  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"));
982 983 984 985 986 987 988 989

  initialized_ = true;

  if (sceneGraphRoot_)
  {
    sceneGraph(sceneGraphRoot_, true);
    viewAll ();
  }
Jan Möbius's avatar
 
Jan Möbius committed
990 991 992 993 994 995
}


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


Jan Möbius's avatar
 
Jan Möbius committed
996
void glViewer::paintGL()
Jan Möbius's avatar
 
Jan Möbius committed
997
{
998 999
  if (!initialized_)
    initializeGL ();
Jan Möbius's avatar
 
Jan Möbius committed
1000

1001
  if (!properties_.updateLocked())
Jan Möbius's avatar
 
Jan Möbius committed
1002
  {
Jan Möbius's avatar
Dennis:  
Jan Möbius committed
1003 1004
    ACG::Vec4f clear_color;

1005
    properties_.lockUpdate();
Jan Möbius's avatar
 
Jan Möbius committed
1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022

    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_      );

1023
    applyProperties();
1024

Jan Möbius's avatar
 
Jan Möbius committed
1025 1026 1027 1028
    glstate_->setState ();

    glColor4f(1.0,0.0,0.0,1.0);

Jan Möbius's avatar
Dennis:  
Jan Möbius committed
1029 1030 1031 1032 1033 1034
    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
1035 1036
    // clear (stereo mode clears buffers on its own)
    if (!stereo_)
Jan Möbius's avatar
 
Jan Möbius committed
1037
      glstate_->clearBuffers ();
Jan Möbius's avatar
 
Jan Möbius committed
1038

1039
    properties_.unLockUpdate();
Jan Möbius's avatar
 
Jan Möbius committed
1040 1041 1042 1043 1044 1045 1046 1047 1048 1049

    // draw scene
    drawScene();

    glPopMatrix();

    glMatrixMode(GL_PROJECTION);
    glPopMatrix();

    glPopAttrib ();
Jan Möbius's avatar
Dennis:  
Jan Möbius committed
1050 1051 1052

    if (properties_.renderPicking())
      properties_.glState().set_clear_color (clear_color);
Jan Möbius's avatar
 
Jan Möbius committed
1053 1054 1055 1056 1057 1058 1059
  }
}


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


Jan Möbius's avatar
 
Jan Möbius committed
1060
void glViewer::resizeEvent(QGraphicsSceneResizeEvent *)
Jan Möbius's avatar
 
Jan Möbius committed
1061 1062
{
  updateProjectionMatrix();
Jan Möbius's avatar
 
Jan Möbius committed
1063
  glstate_->viewport(scenePos().x(),
Jan Möbius's avatar
Jan Möbius committed
1064 1065 1066
                     scene()->height () - scenePos().y() - size().height (),
                     size().width (), size().height (),
                     scene()->width (), scene()->height ());
Jan Möbius's avatar
 
Jan Möbius committed
1067
  update();
1068

1069
  emit viewChanged();
Jan Möbius's avatar
 
Jan Möbius committed
1070 1071
}

Jan Möbius's avatar
 
Jan Möbius committed
1072 1073 1074
void glViewer::moveEvent (QGraphicsSceneMoveEvent *)
{
  glstate_->viewport(scenePos().x(),
Jan Möbius's avatar
Jan Möbius committed
1075 1076 1077
                     scene()->height () - scenePos().y() - size().height (),
                     size().width (), size().height (),
                     scene()->width (), scene()->height ());
Jan Möbius's avatar
 
Jan Möbius committed
1078
  update();
1079

1080
  emit viewChanged();
Jan Möbius's avatar
 
Jan Möbius committed
1081
}
Jan Möbius's avatar
 
Jan Möbius committed
1082 1083 1084

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

Jan Möbius's avatar
 
Jan Möbius committed
1085
void glViewer::encodeView(QString& _view)
Jan Möbius's avatar
 
Jan Möbius committed
1086
{
1087
  // Get current matrices
Jan Möbius's avatar
 
Jan Möbius committed
1088 1089 1090
  const ACG::GLMatrixd m = glstate_->modelview();
  const ACG::GLMatrixd p = glstate_->projection();

1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104
  // 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
1105
  _view += QString::number(glWidth()) + " " +  QString::number(glHeight()) + " " + QString::number(projectionMode_) + " " + QString::number(properties_.orthoWidth()) + "\n";
Jan Möbius's avatar
 
Jan Möbius committed
1106 1107 1108 1109 1110 1111
}


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


Jan Möbius's avatar
 
Jan Möbius committed
1112
bool glViewer::decodeView(const QString& _view)
Jan Möbius's avatar
 
Jan Möbius committed
1113 1114 1115 1116
{
  if (_view.left(sizeof(VIEW_MAGIC)-1) != QString(VIEW_MAGIC))
    return false;

1117 1118 1119
  // Remove the magic from the string
  QString temp = _view;
  temp.remove(0,sizeof(VIEW_MAGIC));
Jan Möbius's avatar
 
Jan Möbius committed
1120

1121 1122
  //Split it into its components
  QStringList split = temp.split(QRegExp("[\\n\\s]"),QString::SkipEmptyParts);
Jan Möbius's avatar
 
Jan Möbius committed
1123 1124 1125 1126

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

1127 1128 1129 1130 1131
  // 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
1132

1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171
  // 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; }
1172
  properties_.orthoWidth( split[35].toDouble(&ok) ); if ( !ok ) { std::cerr << "Error in decoding View!" << std::endl; return false; }
1173 1174

  // Switch to our gl context
Jan Möbius's avatar
 
Jan Möbius committed
1175 1176
  makeCurrent();

1177
  // set projection mode
Jan Möbius's avatar
 
Jan Möbius committed
1178 1179 1180
  if (projectionMode_ != (ProjectionMode)pMode)
    projectionMode((ProjectionMode)pMode);

1181
  // Apply new modelview matrix
Jan Möbius's avatar
 
Jan Möbius committed
1182 1183 1184
  glstate_->set_modelview(m);


1185 1186