QtBaseViewer.cc 60.7 KB
Newer Older
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41
/*===========================================================================*\
 *                                                                           *
 *                              OpenFlipper                                  *
 *      Copyright (C) 2001-2009 by Computer Graphics Group, RWTH Aachen      *
 *                           www.openflipper.org                             *
 *                                                                           *
 *---------------------------------------------------------------------------*
 *  This file is part of OpenFlipper.                                        *
 *                                                                           *
 *  OpenFlipper is free software: you can redistribute it and/or modify      *
 *  it under the terms of the GNU Lesser General Public License as           *
 *  published by the Free Software Foundation, either version 3 of           *
 *  the License, or (at your option) any later version with the              *
 *  following exceptions:                                                    *
 *                                                                           *
 *  If other files instantiate templates or use macros                       *
 *  or inline functions from this file, or you compile this file and         *
 *  link it with other files to produce an executable, this file does        *
 *  not by itself cause the resulting executable to be covered by the        *
 *  GNU Lesser General Public License. This exception does not however       *
 *  invalidate any other reasons why the executable file might be            *
 *  covered by the GNU Lesser General Public License.                        *
 *                                                                           *
 *  OpenFlipper is distributed in the hope that it will be useful,           *
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of           *
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the            *
 *  GNU Lesser General Public License for more details.                      *
 *                                                                           *
 *  You should have received a copy of the GNU LesserGeneral Public          *
 *  License along with OpenFlipper. If not,                                  *
 *  see <http://www.gnu.org/licenses/>.                                      *
 *                                                                           *
\*===========================================================================*/

/*===========================================================================*\
 *                                                                           *
 *   $Revision$                                                         *
 *   $Author$                                                      *
 *   $Date$                   *
 *                                                                           *
\*===========================================================================*/
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 97
#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 <QFileDialog>
#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>

98 99
#include <QGraphicsView>
#include <QGraphicsScene>
Jan Möbius's avatar
 
Jan Möbius committed
100 101 102
#include <QGraphicsWidget>
#include <QGraphicsGridLayout>
#include <QGraphicsProxyWidget>
Jan Möbius's avatar
 
Jan Möbius committed
103 104
#include <QPainter>
#include <QPaintEngine>
Jan Möbius's avatar
 
Jan Möbius committed
105 106 107 108 109 110 111 112 113

#ifdef max
#  undef max
#endif

#ifdef min
#  undef min
#endif

114
#include <OpenFlipper/BasePlugin/PluginFunctions.hh>
Jan Möbius's avatar
Jan Möbius committed
115
#include <OpenFlipper/common/ViewObjectMarker.hh>
Jan Möbius's avatar
 
Jan Möbius committed
116

Jan Möbius's avatar
Dennis:  
Jan Möbius committed
117 118
#include <OpenFlipper/common/GlobalOptions.hh>

119 120
#include <QGLFramebufferObject>

Jan Möbius's avatar
 
Jan Möbius committed
121 122 123 124 125 126 127 128 129 130 131 132
//== NAMESPACES ===============================================================



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

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

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


133
glViewer::glViewer( QGraphicsScene* _scene,
134
                    QGLWidget* _glWidget,
135
                    Viewer::ViewerProperties& _properties,
136
                    QGraphicsWidget* _parent) :
Jan Möbius's avatar
 
Jan Möbius committed
137
  QGraphicsWidget(_parent),
Jan Möbius's avatar
 
Jan Möbius committed
138 139 140
  glareaGrabbed_(false),
  projectionUpdateLocked_(false),
  blending_(true),
Jan Möbius's avatar
 
Jan Möbius committed
141 142
  glScene_(_scene),
  glWidget_(_glWidget),
Jan Möbius's avatar
Dennis:  
Jan Möbius committed
143 144
  cursorPainter_(0),
  cursorPositionValid_(false),
Jan Möbius's avatar
Jan Möbius committed
145 146 147
  pickCache_(0),
  updatePickCache_(true),
  pickCacheSupported_(true),
148
  clickEvent_(QEvent::MouseButtonPress, QPoint (), Qt::NoButton, Qt::NoButton, Qt::NoModifier),
Dirk Wilden's avatar
Dirk Wilden committed
149
  properties_(_properties),
150 151
  glstate_(0),
  initialized_(false)
Jan Möbius's avatar
 
Jan Möbius committed
152 153 154
{

  // widget stuff
155
  createWidgets();
Jan Möbius's avatar
 
Jan Möbius committed
156 157 158

  // bind GL context to GL state class
  glstate_ = new ACG::GLState();
159 160
  properties_.setglState( glstate_ );

Jan Möbius's avatar
 
Jan Möbius committed
161 162 163
  // state
  orthoWidth_       = 2.0;
  isRotating_       = false;
Mike Kremer's avatar
Mike Kremer committed
164
  lookAround_       = false;
Jan Möbius's avatar
 
Jan Möbius committed
165 166 167 168 169 170 171 172
  near_             = 0.1;
  far_              = 100.0;
  fovy_             = 45.0;

  sceneGraphRoot_   = 0;

  normalsMode_      = DONT_TOUCH_NORMALS;
  projectionMode_   = PERSPECTIVE_PROJECTION;
173
  navigationMode_	= NORMAL_NAVIGATION;
174

Jan Möbius's avatar
 
Jan Möbius committed
175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194

  light_matrix_.identity();

  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 ();

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
231 232 233 234 235 236 237 238
  delete glstate_;
}


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


QSize
Jan Möbius's avatar
 
Jan Möbius committed
239
glViewer::sizeHint() const
Jan Möbius's avatar
 
Jan Möbius committed
240 241 242 243 244 245 246
{
  return QSize( 600, 600 );
}

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


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
252 253 254 255 256 257 258
  glWidget_->swapBuffers();
}


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


259
void glViewer::sceneGraph(ACG::SceneGraph::BaseNode* _root, const bool _setCenter)
Jan Möbius's avatar
 
Jan Möbius committed
260
{
Jan Möbius's avatar
Jan Möbius committed
261 262
//   if (sceneGraphRoot_ == _root)
//     return;
Jan Möbius's avatar
Jan Möbius committed
263

Jan Möbius's avatar
 
Jan Möbius committed
264 265
  sceneGraphRoot_ = _root;

Jan Möbius's avatar
Jan Möbius committed
266
  if (sceneGraphRoot_ )
Jan Möbius's avatar
 
Jan Möbius committed
267 268 269 270 271 272 273 274 275 276
  {
    // get scene size
    ACG::SceneGraph::BoundingBoxAction act;
    ACG::SceneGraph::traverse(sceneGraphRoot_, act);

    ACG::Vec3d bbmin = (ACG::Vec3d) act.bbMin();
    ACG::Vec3d bbmax = (ACG::Vec3d) act.bbMax();

    if ( ( bbmin[0] > bbmax[0] ) ||
         ( bbmin[1] > bbmax[1] ) ||
277
         ( bbmin[2] > bbmax[2] )   )
278
      setScenePos( ACG::Vec3d( 0.0,0.0,0.0 ) , 1.0, _setCenter );
279 280
    else
      setScenePos( ( bbmin + bbmax )        * 0.5,
281 282
                   ( bbmax - bbmin ).norm() * 0.5,
                   _setCenter);
Jan Möbius's avatar
 
Jan Möbius committed
283 284 285 286 287 288 289 290 291 292 293
  }

  updateGL();

  emit(signalSceneGraphChanged(sceneGraphRoot_));
}


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


Jan Möbius's avatar
 
Jan Möbius committed
294
void glViewer::trackMouse(bool _track)
Jan Möbius's avatar
 
Jan Möbius committed
295 296 297 298 299 300 301
{
  trackMouse_ = _track;
}


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

Jan Möbius's avatar
 
Jan Möbius committed
302
void glViewer::perspectiveProjection()
Jan Möbius's avatar
 
Jan Möbius committed
303 304 305 306 307 308
{
  projectionMode(PERSPECTIVE_PROJECTION);
  updateGL();
}


Jan Möbius's avatar
 
Jan Möbius committed
309
void glViewer::orthographicProjection()
Jan Möbius's avatar
 
Jan Möbius committed
310 311 312 313 314 315
{
  projectionMode(ORTHOGRAPHIC_PROJECTION);
  updateGL();
}


Jan Möbius's avatar
 
Jan Möbius committed
316
void glViewer::toggleProjectionMode()
Jan Möbius's avatar
 
Jan Möbius committed
317 318 319 320 321 322 323 324 325 326
{
  if (projectionMode_ == ORTHOGRAPHIC_PROJECTION)
    projectionMode(PERSPECTIVE_PROJECTION);
  else
    projectionMode(ORTHOGRAPHIC_PROJECTION);

  updateGL();
}


Jan Möbius's avatar
 
Jan Möbius committed
327
void glViewer::projectionMode(ProjectionMode _p)
Jan Möbius's avatar
 
Jan Möbius committed
328 329
{
  if ((projectionMode_ = _p) == ORTHOGRAPHIC_PROJECTION)
330
    emit projectionModeChanged( true );
Jan Möbius's avatar
 
Jan Möbius committed
331
  else
332
    emit projectionModeChanged( false );
Jan Möbius's avatar
 
Jan Möbius committed
333 334 335 336

  updateProjectionMatrix();
}

337 338 339
void glViewer::toggleNavigationMode()
{
  if (navigationMode_ == NORMAL_NAVIGATION)
Mike Kremer's avatar
Mike Kremer committed
340
    navigationMode(FIRSTPERSON_NAVIGATION);
341 342 343 344 345 346 347 348 349 350 351 352 353
  else
    navigationMode(NORMAL_NAVIGATION);
}


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

Jan Möbius's avatar
 
Jan Möbius committed
354

Jan Möbius's avatar
 
Jan Möbius committed
355
void glViewer::updateProjectionMatrix()
Jan Möbius's avatar
 
Jan Möbius committed
356 357 358 359 360 361 362 363
{
  if( projectionUpdateLocked_ )
    return;

  makeCurrent();

  glstate_->reset_projection();

Jan Möbius's avatar
Jan Möbius committed
364 365
  // In scereo mode we have to use a perspective matrix
  if (stereo_ || projectionMode_ == PERSPECTIVE_PROJECTION)
Jan Möbius's avatar
 
Jan Möbius committed
366
  {
367 368 369 370 371 372 373 374
    double aspect;

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

    glstate_->perspective(fovy_, (GLdouble) aspect,
Jan Möbius's avatar
Jan Möbius committed
375 376 377 378 379
                          near_, far_);
  }
  else
  {
    double aspect;
Jan Möbius's avatar
Jan Möbius committed
380

381
    if (isVisible() && glWidth() && glHeight())
Jan Möbius's avatar
Jan Möbius committed
382 383
      aspect = (double) glWidth() / (double) glHeight();
    else
384
      aspect = 1.0;
Jan Möbius's avatar
 
Jan Möbius committed
385

Jan Möbius's avatar
Jan Möbius committed
386 387 388
    glstate_->ortho( -orthoWidth_, orthoWidth_,
                     -orthoWidth_/aspect, orthoWidth_/aspect,
                     near_, far_ );
Jan Möbius's avatar
 
Jan Möbius committed
389 390 391 392 393 394 395
  }
}


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


396
void glViewer::setScenePos(const ACG::Vec3d& _center, double _radius, const bool _setCenter)
Jan Möbius's avatar
 
Jan Möbius committed
397
{
398 399 400
	if(_setCenter) {
		scene_center_ = trackball_center_ = _center;
	}
Jan Möbius's avatar
 
Jan Möbius committed
401

402
	scene_radius_ = trackball_radius_ = _radius;
Jan Möbius's avatar
 
Jan Möbius committed
403

Dirk Wilden's avatar
Dirk Wilden committed
404
// 	orthoWidth_ = 2.0   * scene_radius_;
405 406 407 408 409
	near_       = 0.001 * scene_radius_;
	far_        = 10.0  * scene_radius_;

	updateProjectionMatrix();
	updateGL();
410 411
}

412 413 414 415 416 417
//-----------------------------------------------------------------------------

void glViewer::setSceneCenter( const ACG::Vec3d& _center ) {

	scene_center_ = trackball_center_ = _center;
}
418 419 420 421

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


Jan Möbius's avatar
 
Jan Möbius committed
422
void glViewer::viewingDirection( const ACG::Vec3d& _dir, const ACG::Vec3d& _up )
Jan Möbius's avatar
 
Jan Möbius committed
423 424 425 426 427 428 429 430 431 432 433 434
{
  // calc eye point for this direction
  ACG::Vec3d eye = scene_center_ - _dir*(3.0*scene_radius_);

  glstate_->reset_modelview();
  glstate_->lookAt((ACG::Vec3d)eye, (ACG::Vec3d)scene_center_, (ACG::Vec3d)_up);
}


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


Jan Möbius's avatar
 
Jan Möbius committed
435
void glViewer::normalsMode(NormalsMode _mode)
Jan Möbius's avatar
 
Jan Möbius committed
436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457
{
  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
458
glViewer::copyToImage( QImage& _image,
Jan Möbius's avatar
Jan Möbius committed
459 460
		       unsigned int _l, unsigned int _t,
		       unsigned int _w, unsigned int _h,
Jan Möbius's avatar
 
Jan Möbius committed
461 462
			   GLenum /* _buffer */ )
{
463 464 465 466

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

Jan Möbius's avatar
Jan Möbius committed
467
  _image = glWidget_->grabFrameBuffer(true).copy (_l, _t, _w, _h).convertToFormat (QImage::Format_RGB32);
Jan Möbius's avatar
 
Jan Möbius committed
468 469 470 471 472 473
}


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


Jan Möbius's avatar
 
Jan Möbius committed
474
void glViewer::updateGL()
Jan Möbius's avatar
 
Jan Möbius committed
475
{
Jan Möbius's avatar
 
Jan Möbius committed
476
  if (!properties_.updateLocked() && isVisible() )
Jan Möbius's avatar
 
Jan Möbius committed
477
  {
Jan Möbius's avatar
Jan Möbius committed
478
    updatePickCache_ = true;
Jan Möbius's avatar
 
Jan Möbius committed
479
    update();
480 481

    emit viewUpdated();
Jan Möbius's avatar
 
Jan Möbius committed
482 483 484 485 486 487 488 489
  }
}



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


Jan Möbius's avatar
 
Jan Möbius committed
490
void glViewer::drawScene()
Jan Möbius's avatar
 
Jan Möbius committed
491 492 493 494 495
{
  QTime  timer;
  timer.start();


Jan Möbius's avatar
 
Jan Möbius committed
496 497 498 499
  // *****************************************************************
  // Adjust clipping planes
  // *****************************************************************
  // Far plane
Jan Möbius's avatar
 
Jan Möbius committed
500
  ACG::Vec3d c = glstate_->modelview().transform_point(scene_center_);
Jan Möbius's avatar
 
Jan Möbius committed
501 502

  // Set far plane
Jan Möbius's avatar
 
Jan Möbius committed
503
  far_    = std::max(0.0002f * scene_radius_,  -(c[2] - scene_radius_));
Jan Möbius's avatar
 
Jan Möbius committed
504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520

  // Set near plane
  near_   = std::max(0.0001f * scene_radius_,  -(c[2] + scene_radius_));

  // measure distance from scene center ( as projection onto the z-Axis )
//   if ( -c[2] < scene_radius_ ) {
//     std::cerr << "Camera in scene radius" << std::endl;
//
//   }
//
//   std::cerr << "-c[2]   : " << -c[2] << std::endl;
//   std::cerr << "radius  : " << scene_radius_ << std::endl;
//   std::cerr << "z-range : " << far_ - near_ << std::endl;
//   std::cerr << "Near    : " << near_ << std::endl;
//   std::cerr << "Far     : " << far_ << std::endl;
//   near_   = std::max(far_ / 256.0f,  -(c[2] + scene_radius_));

Jan Möbius's avatar
 
Jan Möbius committed
521 522 523 524 525 526 527 528 529 530 531 532
  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();

  glFinish();
  frame_time_ = timer.elapsed();
Jan Möbius's avatar
Jan Möbius committed
533 534


Jan Möbius's avatar
 
Jan Möbius committed
535 536 537 538 539 540
}


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


Jan Möbius's avatar
 
Jan Möbius committed
541
void glViewer::drawScene_mono()
Jan Möbius's avatar
 
Jan Möbius committed
542 543 544
{
  if (sceneGraphRoot_)
  {
545
    if (! properties_.renderPicking() ) {
546

Jan Möbius's avatar
Jan Möbius committed
547
      ViewObjectMarker *oM = properties_.objectMarker();
548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577
      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 ();
        }
      }

578 579
      ACG::SceneGraph::DrawAction action( properties_.drawMode() , false);
      ACG::SceneGraph::traverse(sceneGraphRoot_, action, *glstate_, properties_.drawMode() );
Jan Möbius's avatar
 
Jan Möbius committed
580 581 582

      if( blending_ )
      {
583 584
        ACG::SceneGraph::DrawAction action(properties_.drawMode(), true);
        ACG::SceneGraph::traverse(sceneGraphRoot_, action, *glstate_, properties_.drawMode());
Jan Möbius's avatar
 
Jan Möbius committed
585
      }
586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657

      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
658 659 660 661 662 663
    } else {

      // prepare GL state
      makeCurrent();

      glDisable(GL_LIGHTING);
Jan Möbius's avatar
Dennis:  
Jan Möbius committed
664
      glDisable(GL_BLEND);
Jan Möbius's avatar
 
Jan Möbius committed
665 666 667 668 669
      glClear(GL_DEPTH_BUFFER_BIT);
      glInitNames();
      glPushName((GLuint) 0);

      // do the picking
Jan Möbius's avatar
Dennis:  
Jan Möbius committed
670
      glstate_->pick_init (true);
Jan Möbius's avatar
Jan Möbius committed
671 672
      ACG::SceneGraph::PickAction action(*glstate_, properties_.renderPickingMode(), properties_.drawMode());
      ACG::SceneGraph::traverse(sceneGraphRoot_, action);
Jan Möbius's avatar
 
Jan Möbius committed
673 674

      glEnable(GL_LIGHTING);
Jan Möbius's avatar
Dennis:  
Jan Möbius committed
675
      glEnable(GL_BLEND);
Jan Möbius's avatar
 
Jan Möbius committed
676 677
    }
  }
Jan Möbius's avatar
Jan Möbius committed
678

Jan Möbius's avatar
Dennis:  
Jan Möbius committed
679 680 681 682 683 684 685 686 687 688 689 690
  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
691
  draw_lights();
Jan Möbius's avatar
 
Jan Möbius committed
692 693 694 695 696 697 698
}


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


void
Jan Möbius's avatar
 
Jan Möbius committed
699
glViewer::drawScene_stereo()
Jan Möbius's avatar
 
Jan Möbius committed
700
{
Jan Möbius's avatar
Dennis:  
Jan Möbius committed
701 702 703 704 705 706 707 708 709 710 711 712 713
  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;
  }
Jan Möbius's avatar
 
Jan Möbius committed
714

Jan Möbius's avatar
Dennis:  
Jan Möbius committed
715 716
  drawScene_anaglyphStereo ();
}
Jan Möbius's avatar
 
Jan Möbius committed
717 718 719 720 721


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


Jan Möbius's avatar
 
Jan Möbius committed
722
void glViewer::setHome()
Jan Möbius's avatar
 
Jan Möbius committed
723 724 725 726 727 728 729 730 731
{
  home_modelview_          = glstate_->modelview();
  home_inverse_modelview_  = glstate_->inverse_modelview();
  homeOrthoWidth_          = orthoWidth_;
  home_center_             = trackball_center_;
  home_radius_             = trackball_radius_;
}


Jan Möbius's avatar
 
Jan Möbius committed
732
void glViewer::home()
Jan Möbius's avatar
 
Jan Möbius committed
733 734 735 736 737 738 739 740 741 742 743 744 745 746 747
{
  makeCurrent();
  glstate_->set_modelview(home_modelview_, home_inverse_modelview_);
  orthoWidth_ = homeOrthoWidth_;
  trackball_center_ = home_center_;
  trackball_radius_ = home_radius_;
  updateProjectionMatrix();
  updateGL();

}


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


Jan Möbius's avatar
 
Jan Möbius committed
748
void glViewer::viewAll()
Jan Möbius's avatar
 
Jan Möbius committed
749
{
750
	makeCurrent();
Jan Möbius's avatar
 
Jan Möbius committed
751

752 753
	// 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
754

755 756 757 758 759 760 761 762 763 764 765 766 767 768
	// move center (in camera coords) to origin and translate in -z dir
	translate(-(glstate_->modelview().transform_point(scene_center_))
			- ACG::Vec3d(0.0, 0.0, 3.0 * scene_radius_));

	orthoWidth_ = 1.1 * scene_radius_;
	double aspect = (double) glWidth() / (double) glHeight();
	if (aspect > 1.0)
		orthoWidth_ *= aspect;

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

	properties_.unLockUpdate();
	updateProjectionMatrix();
	updateGL();
Jan Möbius's avatar
 
Jan Möbius committed
769 770 771 772 773 774 775

}


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


Jan Möbius's avatar
 
Jan Möbius committed
776
void glViewer::flyTo(const QPoint& _pos, bool _move_back)
Jan Möbius's avatar
 
Jan Möbius committed
777 778 779 780 781 782 783 784 785 786
{
  makeCurrent();

  unsigned int nodeIdx, targetIdx;
  ACG::Vec3d hitPoint;

  if (pick( ACG::SceneGraph::PICK_ANYTHING, _pos, nodeIdx, targetIdx, &hitPoint))
  {
    if (projectionMode_ == PERSPECTIVE_PROJECTION)
    {
787
      ACG::Vec3d eye(glstate_->eye());
Jan Möbius's avatar
 
Jan Möbius committed
788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809
      ACG::Vec3d t = hitPoint - eye;
      ACG::Vec3d e = eye + t * (_move_back ? -0.5f : 0.5f);
      flyTo(e, hitPoint, 300);
    }
    else
    {
      // Zoom in or out?
      orthoWidth_ *= _move_back ? 2.0 : 0.5;

      // Set the double click point as the new trackball center
      // Rotations will use this point as the center.
      trackball_center_ = hitPoint;

      /// @todo : Translate view such that hitpoint is in center of viewport

      // Update the projection matrix
      updateProjectionMatrix();

      // Redraw scene
      updateGL();
    }

Jan Möbius's avatar
Jan Möbius committed
810

Jan Möbius's avatar
 
Jan Möbius committed
811 812 813 814
  }
}


Jan Möbius's avatar
 
Jan Möbius committed
815
void glViewer::flyTo(const ACG::Vec3d&  _position,
Jan Möbius's avatar
 
Jan Möbius committed
816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861
			 const ACG::Vec3d&  _center,
			 double        _time)
{
  makeCurrent();

  // compute rotation
  ACG::Vec3d c = glstate_->modelview().transform_point(_center);
  ACG::Vec3d p = glstate_->modelview().transform_point(_position);
  ACG::Vec3d view =(p-c).normalize();
  ACG::Vec3d z(0,0,1);
  ACG::Vec3d axis = (z % -view).normalize();
  double angle = acos(std::max(-1.0,
			      std::min(1.0,
				       (z | view)))) / M_PI * 180.0;

  if (angle > 175)
    axis  = ACG::Vec3d(0,1,0);


  // compute translation
  ACG::Vec3d target = glstate_->modelview().transform_point(_center);
  ACG::Vec3d trans ( -target[0],
		-target[1],
		-target[2] - (_position-_center).norm() );



  // how many frames in _time ms ?
  unsigned int  frames = (unsigned int)(_time / frame_time_);
  if (frames > 1000) frames=1000;




  // animate it
  if (frames > 10)
  {
    ACG::Vec3d t = trans / (double)frames;
    double a = angle / (double)frames;

    for (unsigned int i=0; i<frames; ++i)
    {
      translate(t);
      if (fabs(a) > FLT_MIN)
	     rotate(axis, a, _center);

Jan Möbius's avatar
 
Jan Möbius committed
862 863
      update();
      qApp->processEvents();
Jan Möbius's avatar
 
Jan Möbius committed
864
    }
865
    updatePickCache_ = true;
Jan Möbius's avatar
 
Jan Möbius committed
866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888
  }


  // no animation
  else
  {
    translate(trans);
    if (fabs(angle) > FLT_MIN)
      rotate(axis, angle, _center);

    updateGL();
  }


  trackball_center_ = _center;
  trackball_radius_ = std::max(scene_radius_,
			       (_center-_position).norm()*0.9f);
}


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


Jan Möbius's avatar
 
Jan Möbius committed
889
void glViewer::setView(const ACG::GLMatrixd& _modelview,
Jan Möbius's avatar
 
Jan Möbius committed
890 891 892 893 894 895 896 897 898 899 900
			                  const ACG::GLMatrixd& _inverse_modelview)
{
  makeCurrent();
  glstate_->set_modelview(_modelview, _inverse_modelview);
  updateGL();
}


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


Jan Möbius's avatar
 
Jan Möbius committed
901
void glViewer::initializeGL()
Jan Möbius's avatar
 
Jan Möbius committed
902 903 904
{

  // lock update
905
  properties_.lockUpdate();
Jan Möbius's avatar
 
Jan Möbius committed
906 907 908 909 910 911 912 913 914 915 916 917 918 919

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

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


  projectionMode(   projectionMode_   );
  normalsMode(      normalsMode_      );

920
  // Update all settings which would require a redraw
921
  applyProperties();
Jan Möbius's avatar
 
Jan Möbius committed
922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950

  // light sources
  light_matrix_.identity();
  update_lights();


  // scene pos and size
  scene_center_ = trackball_center_ = ACG::Vec3d( 0.0, 0.0, 0.0 );
  scene_radius_ = trackball_radius_ = 1.0;
  orthoWidth_   = 2.0;


  // 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)
951
  properties_.unLockUpdate();
Jan Möbius's avatar
Dennis:  
Jan Möbius committed
952 953 954 955 956

  customAnaglyphSupported_ = glewIsSupported("GL_ARB_fragment_program") &&
      (glewIsSupported("GL_ARB_texture_rectangle") ||
       glewIsSupported("GL_EXT_texture_rectangle") ||
       glewIsSupported("GL_NV_texture_rectangle"));
957 958 959 960 961 962 963 964

  initialized_ = true;

  if (sceneGraphRoot_)
  {
    sceneGraph(sceneGraphRoot_, true);
    viewAll ();
  }
Jan Möbius's avatar
 
Jan Möbius committed
965 966 967 968 969
}


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

Jan Möbius's avatar
Jan Möbius committed
970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005
/**
 *
 */
void  glViewer::draw_lights() {
//   makeCurrent();
// //
//   glMatrixMode(GL_MODELVIEW);
//   glPushMatrix();
//   glLoadIdentity();
//   glMultMatrixd(light_matrix_.data());
//
//   std::cerr << "light_matrix_\n" << light_matrix_ << std::endl;
// //
//   glPointSize(3);
// //
//   glColor3f(1.0,1.0,1.0);
// //   glDisable(GL_LIGHTING);
// //   glDisable(GL_BLEND);
//   glBegin(GL_LINES);
//     glVertex3f(0.0,  0.0, -1000.0);
//     glVertex3f(0.0,  0.0, 10000.0);
//     glVertex3f(0.0, -1000.0,0.0);
//     glVertex3f(0.0, 1000.0,0.0);
//     glVertex3f(1000.0,0.0,0.0);
//     glVertex3f(-1000.0,0.0,0.0);
// //     glVertex3d(0.0,  0.0, 1.1);
// //     glVertex3d(-1.0,  1.0, 0.8);
// //     glVertex3d( 1.0,  1.0, 0.8);
//
//   glEnd();
// //   glEnable(GL_LIGHTING);
// //   glEnable(GL_BLEND);
// //
//   glPopMatrix();

}
Jan Möbius's avatar
 
Jan Möbius committed
1006

Jan Möbius's avatar
 
Jan Möbius committed
1007
void glViewer::update_lights()
Jan Möbius's avatar
 
Jan Möbius committed
1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039
{
  makeCurrent();

  glMatrixMode(GL_MODELVIEW);
  glPushMatrix();
  glLoadIdentity();
  glMultMatrixd(light_matrix_.data());

  GLfloat pos[4], col[4];

  col[0] = col[1] = col[2] = 0.7;
  pos[3] = col[3] = 0.0;

#define SET_LIGHT(i,x,y,z) { 			\
    pos[0]=x; pos[1]=y; pos[2]=z;		\
    glLightfv(GL_LIGHT##i, GL_POSITION, pos);	\
    glLightfv(GL_LIGHT##i, GL_DIFFUSE,  col);	\
    glLightfv(GL_LIGHT##i, GL_SPECULAR, col);	\
    glEnable(GL_LIGHT##i);			\
  }

  SET_LIGHT(0,  0.0,  0.0, 1.0);
  SET_LIGHT(1, -1.0,  1.0, 0.7);
  SET_LIGHT(2,  1.0,  1.0, 0.7);

  col[0] = col[1] = col[2] = 0.3; col[3] = 1.0;
  glLightModelfv(GL_LIGHT_MODEL_AMBIENT, col);

  glPopMatrix();
}


Jan Möbius's avatar
 
Jan Möbius committed
1040
void glViewer::rotate_lights(ACG::Vec3d& _axis, double _angle)
Jan Möbius's avatar
 
Jan Möbius committed
1041 1042 1043 1044 1045 1046 1047 1048 1049
{
  light_matrix_.rotate(_angle, _axis[0], _axis[1], _axis[2], ACG::MULT_FROM_LEFT);
  update_lights();
}


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


Jan Möbius's avatar
 
Jan Möbius committed
1050
void glViewer::paintGL()
Jan Möbius's avatar
 
Jan Möbius committed
1051
{
1052 1053
  if (!initialized_)
    initializeGL ();
Jan Möbius's avatar
 
Jan Möbius committed
1054

1055
  if (!properties_.updateLocked())
Jan Möbius's avatar
 
Jan Möbius committed
1056
  {
Jan Möbius's avatar
Dennis:  
Jan Möbius committed
1057 1058
    ACG::Vec4f clear_color;

1059
    properties_.lockUpdate();
Jan Möbius's avatar
 
Jan Möbius committed
1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076

    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_      );

1077
    applyProperties();
1078

Jan Möbius's avatar
 
Jan Möbius committed
1079 1080 1081 1082 1083 1084 1085
    // light sources
    update_lights();

    glstate_->setState ();

    glColor4f(1.0,0.0,0.0,1.0);

Jan Möbius's avatar
Dennis:  
Jan Möbius committed
1086 1087 1088 1089 1090 1091
    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
1092 1093
    // clear (stereo mode clears buffers on its own)
    if (!stereo_)
Jan Möbius's avatar
 
Jan Möbius committed
1094
      glstate_->clearBuffers ();
Jan Möbius's avatar
 
Jan Möbius committed
1095

1096
    properties_.unLockUpdate();
Jan Möbius's avatar
 
Jan Möbius committed
1097 1098 1099 1100 1101 1102 1103 1104 1105 1106

    // draw scene
    drawScene();

    glPopMatrix();

    glMatrixMode(GL_PROJECTION);
    glPopMatrix();

    glPopAttrib ();
Jan Möbius's avatar
Dennis:  
Jan Möbius committed
1107 1108 1109

    if (properties_.renderPicking())
      properties_.glState().set_clear_color (clear_color);
Jan Möbius's avatar
 
Jan Möbius committed
1110 1111 1112 1113 1114 1115 1116
  }
}


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


Jan Möbius's avatar
 
Jan Möbius committed
1117
void glViewer::resizeEvent(QGraphicsSceneResizeEvent *)
Jan Möbius's avatar
 
Jan Möbius committed
1118 1119
{
  updateProjectionMatrix();
Jan Möbius's avatar
 
Jan Möbius committed
1120 1121 1122 1123 1124
  glstate_->viewport(scenePos().x(),
		     scene()->height () - scenePos().y() - size().height (),
		     size().width (), size().height (),
		     scene()->width (), scene()->height ());
  update();
Jan Möbius's avatar
 
Jan Möbius committed
1125 1126
}

Jan Möbius's avatar
 
Jan Möbius committed
1127 1128 1129 1130 1131 1132 1133 1134
void glViewer::moveEvent (QGraphicsSceneMoveEvent *)
{
  glstate_->viewport(scenePos().x(),
		     scene()->height () - scenePos().y() - size().height (),
		     size().width (), size().height (),
		     scene()->width (), scene()->height ());
  update();
}
Jan Möbius's avatar
 
Jan Möbius committed
1135 1136 1137

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

Jan Möbius's avatar
 
Jan Möbius committed
1138
void glViewer::encodeView(QString& _view)
Jan Möbius's avatar
 
Jan Möbius committed
1139
{
1140
  // Get current matrices
Jan Möbius's avatar
 
Jan Möbius committed
1141 1142 1143
  const ACG::GLMatrixd m = glstate_->modelview();
  const ACG::GLMatrixd p = glstate_->projection();

1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158
  // 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
  _view += QString::number(glWidth()) + " " +  QString::number(glHeight()) + " " + QString::number(projectionMode_) + " " + QString::number(orthoWidth_) + "\n";
Jan Möbius's avatar
 
Jan Möbius committed
1159 1160 1161 1162 1163 1164
}


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


Jan Möbius's avatar
 
Jan Möbius committed
1165
bool glViewer::decodeView(const QString& _view)
Jan Möbius's avatar
 
Jan Möbius committed
1166 1167 1168 1169
{
  if (_view.left(sizeof(VIEW_MAGIC)-1) != QString(VIEW_MAGIC))
    return false;

1170 1171 1172
  // Remove the magic from the string
  QString temp = _view;
  temp.remove(0,sizeof(VIEW_MAGIC));
Jan Möbius's avatar
 
Jan Möbius committed
1173

1174 1175
  //Split it into its components
  QStringList split = temp.split(QRegExp("[\\n\\s]"),QString::SkipEmptyParts);
Jan Möbius's avatar
 
Jan Möbius committed
1176 1177 1178 1179

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

1180 1181 1182 1183 1184
  // 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
1185

1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227
  // 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; }
  orthoWidth_ = split[35].toDouble(&ok); if ( !ok ) { std::cerr << "Error in decoding View!" << std::endl; return false; }

  // Switch to our gl context
Jan Möbius's avatar
 
Jan Möbius committed
1228 1229
  makeCurrent();

1230
  // set projection mode
Jan Möbius's avatar
 
Jan Möbius committed
1231 1232 1233
  if (projectionMode_ != (ProjectionMode)pMode)
    projectionMode((ProjectionMode)pMode);

1234
  // Apply new modelview matrix
Jan Möbius's avatar
 
Jan Möbius committed
1235 1236 1237
  glstate_->set_modelview(m);


1238 1239 1240 1241 1242 1243 1244 1245 1246
  std::cerr << "Todo : Add Checkbox if size should also be pasted" << std::endl;

//   if (w>0 && h>0 &&
//       action_["PasteDropSize"]->isChecked() )
//   {
//     glstate_->set_projection(p);
//     glView_->setFixedSize(w,h);
//     updateGeometry();
//   }
Jan Möbius's avatar
 
Jan Möbius committed
1247 1248 1249 1250 1251 1252 1253 1254 1255 1256

  updateGL();

  return true;
}


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


Jan Möbius's avatar
 
Jan Möbius committed
1257
void glViewer::actionCopyView()
1258 1259 1260 1261 1262 1263 1264 1265 1266
{
  QString view; encodeView(view);
  QApplication::clipboard()->setText(view);
}


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


Jan Möbius's avatar
 
Jan Möbius committed
1267
void glViewer::actionPasteView()
1268 1269 1270 1271 1272 1273
{
  QString view; view=QApplication::clipboard()->text();
  decodeView(view);
}


Jan Möbius's avatar
 
Jan Möbius committed
1274 1275 1276
//-----------------------------------------------------------------------------

void
1277
glViewer::createWidgets()
Jan Möbius's avatar
 
Jan Möbius committed
1278 1279
{
  // Construct GL context & widget
1280

Jan Möbius's avatar
 
Jan Möbius committed
1281 1282 1283 1284 1285
  wheelZ_=new ACG::QtWidgets::QtWheel( 0,"wheel-z",ACG::QtWidgets::QtWheel::Vertical);
  wheelZ_->setMinimumSize(wheelZ_->sizeHint());
  wheelZ_->setMaximumSize(wheelZ_->sizeHint());
  connect(wheelZ_,SIGNAL(angleChangedBy(double)),
	  this,SLOT(slotWheelZ(double)));
1286 1287
  wheelZ_->setToolTip( tr("Translate along <b>z-axis</b>."));
  wheelZ_->setWhatsThis( tr("Translate along <b>z-axis</b>."));
Jan Möbius's avatar
 
Jan Möbius committed
1288 1289 1290 1291 1292 1293

  wheelY_=new ACG::QtWidgets::QtWheel( 0,"wheel-y",ACG::QtWidgets::QtWheel::Horizontal);
  wheelY_->setMinimumSize(wheelY_->sizeHint());
  wheelY_->setMaximumSize(wheelY_->sizeHint());
  connect(wheelY_,SIGNAL(angleChangedBy(double)),
          this,SLOT(slotWheelY(double)));
1294 1295
  wheelY_->setToolTip(tr("Rotate around <b>y-axis</b>."));
  wheelY_->setWhatsThis( tr("Rotate around <b>y-axis</b>."));
Jan Möbius's avatar
 
Jan Möbius committed
1296

1297
  wheelX_=new ACG::QtWidgets::QtWheel( 0,"wheel-x" ,ACG::QtWidgets::QtWheel::Vertical);
Jan Möbius's avatar
 
Jan Möbius committed
1298 1299 1300 1301
  wheelX_->setMinimumSize(wheelX_->sizeHint());
  wheelX_->setMaximumSize(wheelX_->sizeHint());
  connect(wheelX_,SIGNAL(angleChangedBy(double)),
          this,SLOT(slotWheelX(double)));
1302 1303
  wheelX_->setToolTip(tr("Rotate around <b>x-axis</b>."));
  wheelX_->setWhatsThis( tr("Rotate around <b>x-axis</b>."));
Jan Möbius's avatar
 
Jan Möbius committed
1304

1305 1306 1307 1308 1309
  // Hide or show wheels (depending on ini option)
  if(!OpenFlipper::Options::showWheelsAtStartup()) {

	  slotHideWheels();
  }
Jan Möbius's avatar
 
Jan Möbius committed
1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322

  QGraphicsWidget *wheelX = glScene_->addWidget (wheelX_);
  QGraphicsWidget *wheelY = glScene_->addWidget (wheelY_);
  QGraphicsWidget *wheelZ = glScene_->addWidget (wheelZ_);

  wheelX_->setWindowOpacity (0.5);
  wheelY_->setWindowOpacity (0.5);
  wheelZ_->setWindowOpacity (0.5);

  wheelX->setCacheMode(QGraphicsItem::DeviceCoordinateCache);
  wheelY->setCacheMode(QGraphicsItem::DeviceCoordinateCache);
  wheelZ->setCacheMode(QGraphicsItem::DeviceCoordinateCache);

Jan Möbius's avatar
Jan Möbius committed
1323 1324 1325 1326
  glBaseLayout_ = new QtGLViewerLayout;
  glBaseLayout_->addWheelX(wheelX);
  glBaseLayout_->addWheelY(wheelY);
  glBaseLayout_->addWheelZ(wheelZ);
Jan Möbius's avatar
 
Jan Möbius committed
1327

Jan Möbius's avatar
Jan Möbius committed
1328 1329 1330 1331
  connect(wheelX_,SIGNAL(hideWheel()),this,SLOT(slotHideWheels()));
  connect(wheelY_,SIGNAL(hideWheel()),this,SLOT(slotHideWheels()));
  connect(wheelZ_,SIGNAL(hideWheel()),this,SLOT(slotHideWheels()));

Jan Möbius's avatar
 
Jan Möbius committed
1332
  setLayout(glBaseLayout_);
Jan Möbius's avatar
 
Jan Möbius committed
1333 1334 1335 1336 1337
}

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


Jan Möbius's avatar
 
Jan Möbius committed
1338
void glViewer::translate(const ACG::Vec3d& _trans)
Jan Möbius's avatar
 
Jan Möbius committed
1339 1340 1341 1342 1343 1344 1345 1346 1347
{
  makeCurrent();
  glstate_->translate(_trans[0], _trans[1], _trans[2], ACG::MULT_FROM_LEFT);
}


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


Jan Möbius's avatar
 
Jan Möbius committed
1348
void glViewer::initModelviewMatrix()
Jan Möbius's avatar
 
Jan Möbius committed
1349 1350 1351 1352 1353 1354 1355 1356 1357
{
  makeCurrent();
  glstate_->reset_modelview();
}


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


Jan Möbius's avatar
 
Jan Möbius committed
1358
void glViewer::rotate(const ACG::Vec3d&  _axis,
Jan Möbius's avatar
 
Jan Möbius committed
1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372
                          double        _angle,
                          const ACG::Vec3d&  _center)
{
  makeCurrent();
  ACG::Vec3d t = glstate_->modelview().transform_point(_center);
  glstate_->translate(-t[0], -t[1], -t[2], ACG::MULT_FROM_LEFT);
  glstate_->rotate(_angle, _axis[0], _axis[1], _axis[2], ACG::MULT_FROM_LEFT);
  glstate_->translate( t[0],  t[1],  t[2], ACG::MULT_FROM_LEFT);
}


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


Jan Möbius's avatar
 
Jan Möbius committed
1373
unsigned int glViewer::glWidth() const {
Jan Möbius's avatar
 
Jan Möbius committed
1374
  return size().width();
Jan Möbius's avatar
 
Jan Möbius committed
1375
}
Jan Möbius's avatar
 
Jan Möbius committed
1376
unsigned int glViewer::glHeight() const {
Jan Möbius's avatar
 
Jan Möbius committed
1377
  return size().height();
Jan Möbius's avatar
 
Jan Möbius committed
1378
}
Jan Möbius's avatar