Developer Documentation

QtBaseViewer.cc
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40 \*===========================================================================*/
41
42
43
44
45
46 //=============================================================================
47 //
48 // CLASS QtBaseViewer - IMPLEMENTATION
49 //
50 //=============================================================================
51
52
53 //== INCLUDES =================================================================
54
55 #include <ACG/GL/acg_glew.hh>
56
57 #include "QtBaseViewer.hh"
58 #include "QtGLGraphicsScene.hh"
59 #include "QtGLGraphicsView.hh"
60 #include "QtSceneGraphWidget.hh"
61 #include "QtWheel.hh"
62 #include "../Scenegraph/SceneGraph.hh"
63
64 #include <QMimeData>
65 #include <QToolButton>
66
67 #include <QClipboard>
68 #include <QApplication>
69 #include <QPushButton>
70 #include <QStatusBar>
71 #include <QColorDialog>
72 #include <QFileDialog>
73 #include <QTimer>
74
75 #include <QDesktopWidget>
76 #include <QButtonGroup>
77
78 #include <QGraphicsWidget>
79 #include <QGraphicsGridLayout>
80 #include <QGraphicsProxyWidget>
81
82 #include "move.xpm"
83 #include "light.xpm"
84 #include "info.xpm"
85 #include "home.xpm"
86 #include "set_home.xpm"
87 #include "viewall.xpm"
88 #include "pick.xpm"
89 #include "persp.xpm"
90 #include "ortho.xpm"
91 #include "scenegraph.xpm"
92 #include "mono.xpm"
93
94
95 #define homeIcon home_xpm
96 #define sethomeIcon set_home_xpm
97 #define moveIcon move_xpm
98 #define lightIcon light_xpm
99 #define questionIcon info_xpm
100 #define viewallIcon viewall_xpm
101 #define pickIcon pick_xpm
102 #define perspectiveIcon persp_xpm
103 #define orthoIcon ortho_xpm
104 #define sceneGraphIcon scenegraph_xpm
105 #define monoIcon mono_xpm
106
107
108 #ifdef max
109 # undef max
110 #endif
111
112 #ifdef min
113 # undef min
114 #endif
115
116
117 //== NAMESPACES ===============================================================
118
119 namespace ACG {
120 namespace QtWidgets {
121
122
123 //== IMPLEMENTATION ==========================================================
124
125 static const char VIEW_MAGIC[] =
126 "ACG::QtWidgets::QGLViewerWidget encoded view";
127
128 //== IMPLEMENTATION ==========================================================
129
130
131 QtBaseViewer::QtBaseViewer( QWidget* _parent,
132 const char* /* _name */ ,
133 QStatusBar *_statusBar,
134 const QGLFormat* _format,
135 const QtBaseViewer* _share,
136 Options _options ) :
137 QWidget(_parent),
138 statusbar_(0),
139 glareaGrabbed_(false),
140 updateLocked_(false),
141 projectionUpdateLocked_(false),
142 blending_(true),
143 sceneGraphDialog_(0),
144 options_(_options),
145 privateStatusBar_(0),
146 disableKeyHandling_(false),
147 externalDrag_(false),
148 snapshotName_("snap.png"),
149 snapshotCounter_(0),
150 snapshot_(0),
151 pick_mode_name_(""),
152 pick_mode_idx_(-1),
153 renderPicking_(false),
154 pickRendererMode_(ACG::SceneGraph::PICK_ANYTHING)
155
156 {
157 // check for OpenGL support
158 if ( !hasOpenGL() )
159 {
160 std::cerr << "This system has no OpenGL support.\n";
161 exit(1);
162 }
163
164
165 // widget stuff
166 createWidgets(_format,_statusBar,_share);
167
168
169 // bind GL context to GL state class
170 glstate_ = new GLState();
171
172
173 // state
174 orthoWidth_ = 2.0;
175 isRotating_ = false;
176 near_ = 0.1;
177 far_ = 100.0;
178 fovy_ = 45.0;
179
180 focalDist_ = 3.0;
181 eyeDist_ = 0.01;
182
183 sceneGraphRoot_ = 0;
184 curDrawMode_ = SceneGraph::DrawModes::NONE;
185 availDrawModes_ = SceneGraph::DrawModes::NONE;
186
187 normalsMode_ = DONT_TOUCH_NORMALS;
188 faceOrientation_ = CCW_ORIENTATION;
189 projectionMode_ = PERSPECTIVE_PROJECTION;
190 navigationMode_ = NORMAL_NAVIGATION;
191
192
193 backFaceCulling_ = false;
194 twoSidedLighting_ = false;
195 animation_ = false;
196
197 light_matrix_.identity();
198
199
200 snapshot_=new QImage;
201
202 trackMouse_ = false;
203 popupEnabled_ = true;
204
205
206 // stereo
207 stereo_ = false;
208
209
210 pickMenu_ = 0;
211 funcMenu_ = 0;
212 drawMenu_ = 0;
213
214
215 // init action modes: Examine & Pick
216 actionMode_ = PickingMode;
217 lastActionMode_ = PickingMode;
218 examineMode();
219
220
221 // clipboard sync stuff
222 synchronized_ = false;
223 skipNextSync_ = false;
224
225 socket_ = new QUdpSocket();
226
227 for (int i=6666; i<6676; ++i)
228 if ( socket_->bind( i ) )
229 {
230 std::cout << "listen on port " << i << "\n";
231 break;
232 }
233
234 add_sync_host("127.0.0.1");
235
236
237
238 // Note: we start locked (initialization of updateLocked_)
239 // will be unlocked in initializeGL()
240
241
242 // Actions
243
244 action_.insert( "Background", new QAction( "Background color", this ) );
245 action_.insert( "Snapshot", new QAction( "Snapshot", this ) );
246 action_.insert( "SnapshotName", new QAction( "Set snapshot name", this ) );
247 action_.insert( "SnapshotSavesView", new QAction( "Snapshot saves view", this ) );
248 action_.insert( "CopyView", new QAction( "Copy view", this ) );
249 action_.insert( "PasteView", new QAction( "Paste view", this ) );
250 action_.insert( "PasteDropSize", new QAction( "Paste/Drop effects size", this ) );
251 action_.insert( "Synchronize", new QAction( "Synchronize", this ) );
252 action_.insert( "Animation", new QAction( "Animation", this ) );
253 action_.insert( "BackfaceCulling", new QAction( "Backface culling", this ) );
254 action_.insert( "TwoSidedLighting", new QAction( "Two-sided lighting", this ) );
255
256 connect( action_["Background"], SIGNAL( triggered() ),
257 this, SLOT( actionBackground() ) );
258 connect( action_["Snapshot"], SIGNAL( triggered() ),
259 this, SLOT( actionSnapshot() ) );
260 connect( action_["SnapshotName"], SIGNAL( triggered() ),
261 this, SLOT( actionSnapshotName() ) );
262 connect( action_["SnapshotSavesView"], SIGNAL( triggered() ),
263 this, SLOT( actionSnapshotSavesView() ) );
264 connect( action_["CopyView"], SIGNAL( triggered() ),
265 this, SLOT( actionCopyView() ) );
266 connect( action_["PasteView"], SIGNAL( triggered() ),
267 this, SLOT( actionPasteView() ) );
268 connect( action_["PasteDropSize"], SIGNAL( triggered() ),
269 this, SLOT( actionPasteDropSize() ) );
270 connect( action_["Synchronize"], SIGNAL( triggered() ),
271 this, SLOT( actionSynchronize() ) );
272 connect( action_["Animation"], SIGNAL( triggered() ),
273 this, SLOT( actionAnimation() ) );
274 connect( action_["BackfaceCulling"], SIGNAL( triggered() ),
275 this, SLOT( actionBackfaceCulling() ) );
276 connect( action_["TwoSidedLighting"], SIGNAL( triggered() ),
277 this, SLOT( actionTwoSidedLighting() ) );
278
279 action_["SnapshotSavesView"]->setCheckable( true );
280 action_["PasteDropSize"]->setCheckable( true );
281 action_["Synchronize"]->setCheckable( true );
282 action_["Animation"]->setCheckable( true );
283 action_["BackfaceCulling"]->setCheckable( true );
284 action_["TwoSidedLighting"]->setCheckable( true );
285
286
287 QSizePolicy sp = sizePolicy();
288 sp.setHorizontalPolicy( QSizePolicy::Expanding );
289 sp.setVerticalPolicy( QSizePolicy::Expanding );
290 sp.setHorizontalStretch( 1 );
291 sp.setVerticalStretch( 1 );
292 setSizePolicy( sp );
293
294 redrawTime_.start ();
295
296 }
297
298
299 //-----------------------------------------------------------------------------
300
301
302 QtBaseViewer::~QtBaseViewer()
303 {
304 delete privateStatusBar_;
305 delete snapshot_;
306 delete glstate_;
307 delete sceneGraphDialog_;
308 delete socket_;
309 // delete socket_notifier_;
310 }
311
312
313 //-----------------------------------------------------------------------------
314
315
316 QSize
317 QtBaseViewer::sizeHint() const
318 {
319 return QSize( 600, 600 );
320 }
321
322
323 //-----------------------------------------------------------------------------
324
325
326 void QtBaseViewer::setStatusBar(QStatusBar* _sb)
327 {
328 if (_sb==0)
329 {
330 if (privateStatusBar_==0)
331 privateStatusBar_=new QStatusBar(this);
332 statusbar_=privateStatusBar_;
333 if (options_ & ShowPrivateStatusBar)
334 privateStatusBar_->show();
335 else
336 privateStatusBar_->hide();
337 }
338 else {
339 statusbar_ = _sb;
340 }
341 }
342
343 void QtBaseViewer::backgroundColor(const Vec4f& _color){
344 glstate_->set_clear_color(_color); updateGL();
345 }
347 Vec4f QtBaseViewer::backgroundColor(){ return glstate_->clear_color(); }
348 //-----------------------------------------------------------------------------
349
350
351 void QtBaseViewer::applyOptions(int _options)
352 {
353 if (_options&ShowPrivateStatusBar)
354 setStatusBar(0);
355 else if (privateStatusBar_!=0)
356 privateStatusBar_->hide();
357
358 if (_options&ShowToolBar) buttonBar_->show();
359 else buttonBar_->hide();
360 if (_options&ShowPickButton) pickButton_->show();
361 else pickButton_->hide();
362 if (_options&ShowQuestionButton) questionButton_->show();
363 else questionButton_->hide();
364 if (_options&ShowWheelX) wheelX_->show();
365 else wheelX_->hide();
366 if (_options&ShowWheelY) wheelY_->show();
367 else wheelY_->hide();
368 if (_options&ShowWheelZ) wheelZ_->show();
369 else wheelZ_->hide();
370 }
371
372
373 //-----------------------------------------------------------------------------
374
375
376 void QtBaseViewer::sceneGraph(SceneGraph::BaseNode* _root)
377 {
378 sceneGraphRoot_ = _root;
379
380 if (sceneGraphRoot_)
381 {
382 // get draw modes
383 SceneGraph::CollectDrawModesAction action;
384 SceneGraph::traverse(sceneGraphRoot_, action);
385 availDrawModes_ = action.drawModes();
386 updatePopupMenu();
387
388 // get scene size
389 SceneGraph::BoundingBoxAction act;
390 SceneGraph::traverse(sceneGraphRoot_, act);
391
392 Vec3d bbmin = (Vec3d) act.bbMin();
393 Vec3d bbmax = (Vec3d) act.bbMax();
394
395 if ( ( bbmin[0] > bbmax[0] ) ||
396 ( bbmin[1] > bbmax[1] ) ||
397 ( bbmin[2] > bbmax[2] ) )
398 setScenePos( Vec3d( 0.0,0.0,0.0 ) , 1.0 );
399 else
400 setScenePos( ( bbmin + bbmax ) * 0.5,
401 ( bbmax - bbmin ).norm() * 0.5 );
402 }
403
404 updateGL();
405
406 emit(signalSceneGraphChanged(sceneGraphRoot_));
407 }
408
409
410 //-----------------------------------------------------------------------------
411
412
413 void QtBaseViewer::lockUpdate()
414 {
415 updateLocked_ = true;
416 // QToolTip::add(moveButton_, "Switch to <b>move</b> mode (display locked)");
417 }
418
419
420 void QtBaseViewer::unlockUpdate()
421 {
422 // QToolTip::add(moveButton_,"Switch to <b>move</b> mode");
423 updateLocked_ = false;
424 }
425
426
427 void QtBaseViewer::unlockAndUpdate()
428 {
429 unlockUpdate();
430 updateGL();
431 }
432
433
434 //-----------------------------------------------------------------------------
435
436
437 void QtBaseViewer::trackMouse(bool _track)
438 {
439 trackMouse_ = _track;
440 }
441
442
443 //-----------------------------------------------------------------------------
444
445
446 void QtBaseViewer::enablePopupMenu(bool _enable)
447 {
448 popupEnabled_ = _enable;
449
450 if ( popupEnabled_ ) {
451 glView_->setContextMenuPolicy( Qt::DefaultContextMenu );
452 } else {
453 glView_->setContextMenuPolicy( Qt::CustomContextMenu );
454 }
455
456 }
457
458
459 //-----------------------------------------------------------------------------
460
461 void QtBaseViewer::perspectiveProjection()
462 {
463 projectionMode(PERSPECTIVE_PROJECTION);
464 updateGL();
465 }
466
467
468 void QtBaseViewer::orthographicProjection()
469 {
470 projectionMode(ORTHOGRAPHIC_PROJECTION);
471 updateGL();
472 }
473
474
475 void QtBaseViewer::toggleProjectionMode()
476 {
477 if (projectionMode_ == ORTHOGRAPHIC_PROJECTION)
478 projectionMode(PERSPECTIVE_PROJECTION);
479 else
480 projectionMode(ORTHOGRAPHIC_PROJECTION);
481
482 // sync
483 emit(signalSetView(glstate_->modelview(), glstate_->inverse_modelview()));
484
485 emit viewChanged();
486
487 updateGL();
488 }
489
490
491 void QtBaseViewer::projectionMode(ProjectionMode _p)
492 {
493 if ((projectionMode_ = _p) == ORTHOGRAPHIC_PROJECTION)
494 projectionButton_->setIcon( QPixmap(orthoIcon) );
495 else
496 projectionButton_->setIcon( QPixmap(perspectiveIcon) );
497
498 updateProjectionMatrix();
499 }
500
501 void QtBaseViewer::toggleNavigationMode()
502 {
503 if (navigationMode_ == NORMAL_NAVIGATION)
504 navigationMode(FIRSTPERSON_NAVIGATION);
505 else
506 navigationMode(NORMAL_NAVIGATION);
507 }
508
509
510 void QtBaseViewer::navigationMode(NavigationMode _n)
511 {
512 if ((navigationMode_ = _n) == NORMAL_NAVIGATION)
513 emit navigationModeChanged( true );
514 else
515 emit navigationModeChanged( false );
516 }
517
518
519 void QtBaseViewer::updateProjectionMatrix()
520 {
521 if( projectionUpdateLocked_ )
522 return;
523
524 makeCurrent();
525
526 glstate_->reset_projection();
527
528 // In scereo mode we have to use a perspective matrix
529 if (stereo_ || projectionMode_ == PERSPECTIVE_PROJECTION)
530 {
531 double aspect;
532
533 if (isVisible() && glWidth() && glHeight())
534 aspect = (double) glWidth() / (double) glHeight();
535 else
536 aspect = 1.0;
537
538 glstate_->perspective(fovy_, (GLdouble) aspect,
539 near_, far_);
540 }
541 else
542 {
543 double aspect;
544
545 if (isVisible() && glWidth() && glHeight())
546 aspect = (double) glWidth() / (double) glHeight();
547 else
548 aspect = 1.0;
549
550 glstate_->ortho( -orthoWidth_, orthoWidth_,
551 -orthoWidth_/aspect, orthoWidth_/aspect,
552 near_, far_ );
553 }
554
555 }
556
557
558 //-----------------------------------------------------------------------------
559
560
561 void QtBaseViewer::setScenePos(const ACG::Vec3d& _center, double _radius, const bool _setCenter)
562 {
563 if(_setCenter) {
564 scene_center_ = trackball_center_ = _center;
565 }
566
567 scene_radius_ = trackball_radius_ = _radius;
568
569 orthoWidth_ = 2.0 * scene_radius_;
570
571 ACG::Vec3d c = glstate_->modelview().transform_point(scene_center_);
572
573 // Set far plane
574 far_ = std::max(0.0002f * scene_radius_, -(c[2] - scene_radius_));
575
576 // Set near plane
577 near_ = std::max(0.0001f * scene_radius_, -(c[2] + scene_radius_));
578
579
580 updateProjectionMatrix();
581 updateGL();
582 }
583
584 //-----------------------------------------------------------------------------
585
586 void QtBaseViewer::setSceneCenter( const ACG::Vec3d& _center ) {
587
588 scene_center_ = trackball_center_ = _center;
589 }
590
591 //----------------------------------------------------------------------------
592
593
594 void QtBaseViewer::viewingDirection( const Vec3d& _dir, const Vec3d& _up )
595 {
596 // calc eye point for this direction
597 ACG::Vec3d eye = scene_center_ - _dir*(3.0*scene_radius_);
598
599 glstate_->reset_modelview();
600 glstate_->lookAt((ACG::Vec3d)eye, (ACG::Vec3d)scene_center_, (ACG::Vec3d)_up);
601
602 emit viewChanged();
603 }
604
605
606 //-----------------------------------------------------------------------------
607
608 void QtBaseViewer::setFovy( double _fovy )
609 {
610 // set new field of view
611 fovy_ = _fovy;
612
613 emit viewChanged();
614 }
615
616 //-----------------------------------------------------------------------------
617
618 void QtBaseViewer::actionMode(ActionMode _am)
619 {
620 moveButton_->setDown(false);
621 lightButton_->setDown(false);
622 pickButton_->setDown(false);
623 questionButton_->setDown(false);
624
625 trackMouse(false);
626
627
628 if (_am != actionMode_)
629 {
630 lastActionMode_ = actionMode_;
631 actionMode_ = _am;
632 }
633
634
635 switch (actionMode_)
636 {
637 case ExamineMode:
638 {
639 glView_->setCursor(Qt::PointingHandCursor);
640 glBase_->setCursor(Qt::PointingHandCursor);
641 moveButton_->setDown(true);
642 break;
643 }
644
645
646 case LightMode:
647 {
648 glView_->setCursor(Qt::PointingHandCursor);
649 glBase_->setCursor(Qt::PointingHandCursor);
650 lightButton_->setDown(true);
651 break;
652 }
653
654
655 case PickingMode:
656 {
657 glView_->setCursor(Qt::ArrowCursor);
658 glBase_->setCursor(Qt::ArrowCursor);
659 pickButton_->setDown(true);
660 if (pick_mode_idx_ != -1) {
661 trackMouse(pick_modes_[pick_mode_idx_].tracking);
662 glView_->setCursor(pick_modes_[pick_mode_idx_].cursor);
663 glBase_->setCursor(pick_modes_[pick_mode_idx_].cursor);
664 }
665
666 break;
667 }
668
669
670 case QuestionMode:
671 {
672 glView_->setCursor(Qt::WhatsThisCursor);
673 glBase_->setCursor(Qt::WhatsThisCursor);
674 questionButton_->setDown(true);
675 break;
676 }
677 }
678
679
680 emit(signalActionModeChanged(actionMode_));
681
682 //emit pickmodeChanged with either the name of the current pickmode or an empty string
683 if(actionMode_ == PickingMode)
684 emit(signalPickModeChanged(pick_mode_name_));
685 else
686 emit(signalPickModeChanged(""));
687 }
688
689
690 //-----------------------------------------------------------------------------
691
692
693 void QtBaseViewer::faceOrientation(FaceOrientation _ori)
694 {
695 makeCurrent();
696
697 switch ( faceOrientation_ = _ori ) {
698 case CCW_ORIENTATION:
699 glFrontFace( GL_CCW );
700 break;
701
702 case CW_ORIENTATION:
703 glFrontFace( GL_CW );
704 break;
705 }
706
707 updateGL();
708 }
709
710
711 //-----------------------------------------------------------------------------
712
713
714 void QtBaseViewer::backFaceCulling(bool _b)
715 {
716 makeCurrent();
717 if (funcMenu_==0) updatePopupMenu();
718 if ( (backFaceCulling_ = _b) )
719 ACG::GLState::enable( GL_CULL_FACE );
720 else
721 ACG::GLState::disable( GL_CULL_FACE );
722
723 action_["BackfaceCulling"]->setChecked( backFaceCulling_ );
724 updateGL();
725 }
726
727
728 void QtBaseViewer::twoSidedLighting(bool _b)
729 {
730 makeCurrent();
731 if (funcMenu_==0) updatePopupMenu();
732 glstate_->set_twosided_lighting(twoSidedLighting_=_b);
733 action_["TwoSidedLighting"]->setChecked(twoSidedLighting_);
734 updateGL();
735 }
736
737
738 void QtBaseViewer::animation(bool _b)
739 {
740 makeCurrent();
741 if (funcMenu_==0) updatePopupMenu();
742 animation_ = _b;
743 action_["Animation"]->setChecked( animation_ );
744 updateGL();
745 }
746
747
748 //-----------------------------------------------------------------------------
749
750
751 void QtBaseViewer::normalsMode(NormalsMode _mode)
752 {
753 makeCurrent();
754
755 switch(normalsMode_ = _mode)
756 {
757 case DONT_TOUCH_NORMALS:
758 ACG::GLState::disable(GL_NORMALIZE);
759 break;
760
761 case NORMALIZE_NORMALS:
762 ACG::GLState::enable(GL_NORMALIZE);
763 break;
764 }
765
766 updateGL();
767 }
768
769
770 //-----------------------------------------------------------------------------
771
772
773 void QtBaseViewer::drawNow()
774 {
775 makeCurrent();
776 paintGL();
777 swapBuffers();
778 glView_->repaint();
779 }
780
781 void QtBaseViewer::updateGL()
782 {
783 if (!isUpdateLocked() && !isHidden() )
784 {
785 glScene_->update();
786 }
787 }
788
789
790
791 //-----------------------------------------------------------------------------
792
793
794 void QtBaseViewer::drawScene()
795 {
796 QTime timer;
797 timer.start();
798
799
800 // *****************************************************************
801 // Adjust clipping planes
802 // *****************************************************************
803 // Far plane
804 ACG::Vec3d c = glstate_->modelview().transform_point(scene_center_);
805
806 // Set far plane
807 far_ = std::max(0.0002f * scene_radius_, -(c[2] - scene_radius_));
808
809 // Set near plane
810 near_ = std::max(0.0001f * scene_radius_, -(c[2] + scene_radius_));
811
812
813 updateProjectionMatrix();
814
815 // store time since last repaint in gl state and restart timer
816 glstate_->set_msSinceLastRedraw (redrawTime_.restart ());
817
818 // draw mono or stereo
819 makeCurrent();
820 if (stereo_) drawScene_stereo();
821 else drawScene_mono();
822
823
824 glFinish();
825 frame_time_ = timer.elapsed();
826 }
827
828
829 //-----------------------------------------------------------------------------
830
831
832 void QtBaseViewer::drawScene_mono()
833 {
834 emit(signalDrawScene(glstate_));
835
836 if (sceneGraphRoot_)
837 {
838 if (! renderPicking_ ) {
839 SceneGraph::DrawAction action(curDrawMode_, *glstate_ , false);
840 SceneGraph::traverse(sceneGraphRoot_, action);
841
842 if( blending_ )
843 {
844 SceneGraph::DrawAction action(curDrawMode_, *glstate_, true);
845 SceneGraph::traverse(sceneGraphRoot_, action);
846 }
847 } else {
848
849 // prepare GL state
850 makeCurrent();
851
852 ACG::GLState::disable(GL_LIGHTING);
853 glClear(GL_DEPTH_BUFFER_BIT);
854
855 // do the picking
856 SceneGraph::PickAction action(*glstate_, pickRendererMode_, curDrawMode_);
857 SceneGraph::traverse(sceneGraphRoot_, action);
858
859 ACG::GLState::enable(GL_LIGHTING);
860 }
861 }
862 }
863
864
865 //-----------------------------------------------------------------------------
866
867
868 void
869 QtBaseViewer::drawScene_stereo()
870 {
871 double l, r, t, b, w, h, a, radians, wd2, ndfl;
872
873 w = glWidth();
874 h = glHeight();
875 a = w / h;
876
877 radians = fovy_ * 0.5 / 180.0 * M_PI;
878 wd2 = near_ * tan(radians);
879 ndfl = near_ / focalDist_ * scene_radius_;
880
881 l = -a*wd2;
882 r = a*wd2;
883 t = wd2;
884 b = -wd2;
885
886 double offset = 0.5 * eyeDist_;
887 double offset2 = offset * ndfl;
888
889
890
891 // left eye
892 glMatrixMode(GL_PROJECTION);
893 glLoadIdentity();
894 glFrustum(l+offset2, r+offset2, b, t, near_, far_);
895 glTranslatef(-offset, 0.0, 0.0);
896 glMatrixMode(GL_MODELVIEW);
897 ACG::GLState::drawBuffer(GL_BACK_LEFT);
898 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
899 drawScene_mono();
900
901
902 // right eye
903 glMatrixMode(GL_PROJECTION);
904 glLoadIdentity();
905 glFrustum(l-offset2, r-offset2, b, t, near_, far_);
906 glTranslatef(offset, 0.0, 0.0);
907 glMatrixMode(GL_MODELVIEW);
908 ACG::GLState::drawBuffer(GL_BACK_RIGHT);
909 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
910 drawScene_mono();
911 ACG::GLState::drawBuffer(GL_BACK);
912 }
913
914
915
916 //-----------------------------------------------------------------------------
917
918
919 void QtBaseViewer::setHome()
920 {
921 home_modelview_ = glstate_->modelview();
922 home_inverse_modelview_ = glstate_->inverse_modelview();
923 homeOrthoWidth_ = orthoWidth_;
924 home_center_ = trackball_center_;
925 home_radius_ = trackball_radius_;
926 }
927
928
929 void QtBaseViewer::home()
930 {
931 makeCurrent();
932 glstate_->set_modelview(home_modelview_, home_inverse_modelview_);
933 orthoWidth_ = homeOrthoWidth_;
934 trackball_center_ = home_center_;
935 trackball_radius_ = home_radius_;
936 updateProjectionMatrix();
937 updateGL();
938
939 // sync
940 emit(signalSetView(glstate_->modelview(), glstate_->inverse_modelview()));
941
942 emit viewChanged();
943 }
944
945
946 //-----------------------------------------------------------------------------
947
948
949 void QtBaseViewer::viewAll()
950 {
951 makeCurrent();
952
953 // move center (in camera coords) to origin and translate in -z dir
954 translate(-(glstate_->modelview().transform_point(scene_center_))
955 - Vec3d(0.0, 0.0, 3.0*scene_radius_ ));
956
957 orthoWidth_ = 1.1*scene_radius_;
958 double aspect = (double) glWidth() / (double) glHeight();
959 if (aspect > 1.0) orthoWidth_ *= aspect;
960 updateProjectionMatrix();
961 updateGL();
962
963 // sync
964 emit(signalSetView(glstate_->modelview(), glstate_->inverse_modelview()));
965
966 emit viewChanged();
967 }
968
969
970 //-----------------------------------------------------------------------------
971
972
973 void QtBaseViewer::flyTo(const QPoint& _pos, bool _move_back)
974 {
975 makeCurrent();
976
977 unsigned int nodeIdx, targetIdx;
978 Vec3d hitPoint;
979
980 if (pick(SceneGraph::PICK_ANYTHING, _pos, nodeIdx, targetIdx, &hitPoint))
981 {
982 if (projectionMode_ == PERSPECTIVE_PROJECTION)
983 {
984 Vec3d eye(glState().eye());
985 Vec3d t = hitPoint - eye;
986 Vec3d e = eye + t * (_move_back ? -0.5f : 0.5f);
987 flyTo(e, hitPoint, 300);
988 }
989 else
990 {
991 // Zoom in or out?
992 orthoWidth_ *= _move_back ? 2.0 : 0.5;
993
994 // Set the double click point as the new trackball center
995 // Rotations will use this point as the center.
996 trackball_center_ = hitPoint;
997
999
1000 // Update the projection matrix
1001 updateProjectionMatrix();
1002
1003 // Redraw scene
1004 updateGL();
1005 }
1006
1007 // sync with external viewer
1008 emit(signalSetView(glstate_->modelview(), glstate_->inverse_modelview()));
1009
1010 emit viewChanged();
1011 }
1012 }
1013
1014
1015 void QtBaseViewer::flyTo(const Vec3d& _position,
1016 const Vec3d& _center,
1017 double _time)
1018 {
1019 makeCurrent();
1020
1021 // compute rotation
1022 Vec3d c = glstate_->modelview().transform_point(_center);
1023 Vec3d p = glstate_->modelview().transform_point(_position);
1024 Vec3d view =(p-c).normalize();
1025 Vec3d z(0,0,1);
1026 Vec3d axis = (z % -view).normalize();
1027 double angle = acos(std::max(-1.0,
1028 std::min(1.0,
1029 (z | view)))) / M_PI * 180.0;
1030
1031 if (angle > 175)
1032 axis = Vec3d(0,1,0);
1033
1034
1035 // compute translation
1036 Vec3d target = glstate_->modelview().transform_point(_center);
1037 Vec3d trans ( -target[0],
1038 -target[1],
1039 -target[2] - (_position-_center).norm() );
1040
1041
1042
1043 // how many frames in _time ms ?
1044 unsigned int frames = (unsigned int)(_time / frame_time_);
1045 if (frames > 1000) frames=1000;
1046
1047
1048
1049
1050 // animate it
1051 if (frames > 10)
1052 {
1053 Vec3d t = trans / (double)frames;
1054 double a = angle / (double)frames;
1055
1056 for (unsigned int i=0; i<frames; ++i)
1057 {
1058 translate(t);
1059 if (fabs(a) > FLT_MIN)
1060 rotate(axis, a, _center);
1061
1062 drawNow();
1063 }
1064 }
1065
1066
1067 // no animation
1068 else
1069 {
1070 translate(trans);
1071 if (fabs(angle) > FLT_MIN)
1072 rotate(axis, angle, _center);
1073
1074 updateGL();
1075 }
1076
1077
1078 trackball_center_ = _center;
1079 trackball_radius_ = std::max(scene_radius_,
1080 (_center-_position).norm()*0.9f);
1081 }
1082
1083
1084 //-----------------------------------------------------------------------------
1085
1086
1087 void QtBaseViewer::setView(const GLMatrixd& _modelview,
1088 const GLMatrixd& _inverse_modelview)
1089 {
1090 makeCurrent();
1091 glstate_->set_modelview(_modelview, _inverse_modelview);
1092 updateGL();
1093 }
1094
1095
1096 //-----------------------------------------------------------------------------
1097
1098
1099 void QtBaseViewer::initializeGL()
1100 {
1101 // we use GLEW to manage extensions
1102 // initialize it first
1103 #ifndef __APPLE__
1104 glewInit();
1105 #endif
1106
1107
1108 // lock update
1109 lockUpdate();
1110
1111 // init GL state
1112 glstate_->initialize();
1113
1114 // OpenGL state
1115 ACG::GLState::enable(GL_DEPTH_TEST);
1116 ACG::GLState::enable(GL_LIGHTING);
1117 ACG::GLState::disable(GL_DITHER);
1118
1119 if (glstate_->compatibilityProfile())
1120 ACG::GLState::shadeModel( GL_FLAT );
1121
1122
1123 projectionMode( projectionMode_ );
1124 normalsMode( normalsMode_ );
1125 faceOrientation( faceOrientation_ );
1126 backFaceCulling( backFaceCulling_ );
1127 twoSidedLighting( twoSidedLighting_ );
1128
1129
1130 // light sources
1131 light_matrix_.identity();
1132 update_lights();
1133
1134
1135 // scene pos and size
1136 scene_center_ = trackball_center_ = Vec3d( 0.0, 0.0, 0.0 );
1137 scene_radius_ = trackball_radius_ = 1.0;
1138 orthoWidth_ = 2.0;
1139
1140
1141 // modelview
1142 glstate_->translate(0.0, 0.0, -3.0);
1143 setHome();
1144
1145
1146 // pixel transfer
1147 glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
1148 glPixelStorei(GL_UNPACK_SKIP_ROWS, 0);
1149 glPixelStorei(GL_UNPACK_SKIP_PIXELS, 0);
1150 glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
1151 glPixelStorei(GL_PACK_ROW_LENGTH, 0);
1152 glPixelStorei(GL_PACK_SKIP_ROWS, 0);
1153 glPixelStorei(GL_PACK_SKIP_PIXELS, 0);
1154 glPixelStorei(GL_PACK_ALIGNMENT, 1);
1155
1156
1157 // emit initialization signal
1158 emit(signalInitializeGL());
1159
1160
1161 // unlock update (we started locked)
1162 unlockUpdate();
1163 }
1164
1165
1166 //-----------------------------------------------------------------------------
1167
1168
1169 void QtBaseViewer::update_lights()
1170 {
1171 makeCurrent();
1172
1173 glMatrixMode(GL_MODELVIEW);
1174 glPushMatrix();
1175 glLoadIdentity();
1176 glMultMatrixd(light_matrix_.data());
1177
1178 GLfloat pos[4], col[4];
1179
1180 col[0] = col[1] = col[2] = 0.7f;
1181 pos[3] = col[3] = 0.0f;
1182
1183 #define SET_LIGHT(i,x,y,z) { \
1184 pos[0]=x; pos[1]=y; pos[2]=z; \
1185 glLightfv(GL_LIGHT##i, GL_POSITION, pos); \
1186 glLightfv(GL_LIGHT##i, GL_DIFFUSE, col); \
1187 glLightfv(GL_LIGHT##i, GL_SPECULAR, col); \
1188 ACG::GLState::enable(GL_LIGHT##i); \
1189 }
1190
1191 SET_LIGHT(0, 0.0f, 0.0f, 1.0f);
1192 SET_LIGHT(1, -1.0f, 1.0f, 0.7f);
1193 SET_LIGHT(2, 1.0f, 1.0f, 0.7f);
1194
1195 col[0] = col[1] = col[2] = 0.3f; col[3] = 1.0f;
1196 glLightModelfv(GL_LIGHT_MODEL_AMBIENT, col);
1197
1198 glPopMatrix();
1199 }
1200
1201
1202 void QtBaseViewer::rotate_lights(Vec3d& _axis, double _angle)
1203 {
1204 light_matrix_.rotate(_angle, _axis[0], _axis[1], _axis[2], MULT_FROM_LEFT);
1205 update_lights();
1206 }
1207
1208
1209 //-----------------------------------------------------------------------------
1210
1211
1212 void QtBaseViewer::paintGL()
1213 {
1214 static bool initialized = false;
1215 if (!initialized)
1216 {
1217 // we use GLEW to manage extensions
1218 // initialize it first
1219 #ifndef __APPLE__
1220 glewInit();
1221 #endif
1222
1223 // lock update
1224 lockUpdate();
1225
1226 // init GL state
1227 glstate_->initialize();
1228
1229 // initialize lights
1230 light_matrix_.identity();
1231
1232 // scene pos and size
1233 scene_center_ = trackball_center_ = Vec3d( 0.0, 0.0, 0.0 );
1234 scene_radius_ = trackball_radius_ = 1.0;
1235 orthoWidth_ = 2.0;
1236
1237 // modelview
1238 glstate_->translate(0.0, 0.0, -3.0);
1239 setHome();
1240
1241 // pixel transfer
1242 glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
1243 glPixelStorei(GL_UNPACK_SKIP_ROWS, 0);
1244 glPixelStorei(GL_UNPACK_SKIP_PIXELS, 0);
1245 glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
1246 glPixelStorei(GL_PACK_ROW_LENGTH, 0);
1247 glPixelStorei(GL_PACK_SKIP_ROWS, 0);
1248 glPixelStorei(GL_PACK_SKIP_PIXELS, 0);
1249 glPixelStorei(GL_PACK_ALIGNMENT, 1);
1250
1251 // emit initialization signal
1252 emit(signalInitializeGL());
1253
1254 // unlock update (we started locked)
1255 unlockUpdate();
1256
1257 initialized = true;
1258 }
1259
1260 if (!isUpdateLocked())
1261 {
1262 lockUpdate();
1263
1264 glPushAttrib (GL_ALL_ATTRIB_BITS);
1265
1266 ACG::GLState::enable(GL_DEPTH_TEST);
1267 ACG::GLState::enable(GL_LIGHTING);
1268 ACG::GLState::disable(GL_DITHER);
1269
1270 if (glstate_->compatibilityProfile())
1271 ACG::GLState::shadeModel( GL_FLAT );
1272
1273 glMatrixMode(GL_PROJECTION);
1274 glPushMatrix();
1275
1276 glMatrixMode(GL_MODELVIEW);
1277 glPushMatrix();
1278
1279
1280 normalsMode( normalsMode_ );
1281 faceOrientation( faceOrientation_ );
1282 backFaceCulling( backFaceCulling_ );
1283
1284 // light sources
1285 update_lights();
1286
1287 glstate_->setState ();
1288
1289 glColor4f(1.0,0.0,0.0,1.0);
1290
1291 // clear (stereo mode clears buffers on its own)
1292 if (!stereo_)
1293 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
1294
1295 unlockUpdate();
1296
1297 // draw scene
1298 drawScene();
1299
1300 glPopMatrix();
1301
1302 glMatrixMode(GL_PROJECTION);
1303 glPopMatrix();
1304
1305 glPopAttrib ();
1306 }
1307 }
1308
1309
1310 //-----------------------------------------------------------------------------
1311
1312
1313 void QtBaseViewer::resizeGL(int _w, int _h)
1314 {
1315 updateProjectionMatrix();
1316 glstate_->viewport(0, 0, _w, _h);
1317 updateGL();
1318 }
1319
1320
1321 //-----------------------------------------------------------------------------
1322
1323 void QtBaseViewer::encodeView(QString& _view)
1324 {
1325 // Get current matrices
1326 const ACG::GLMatrixd& m = glstate_->modelview();
1327 const ACG::GLMatrixd& p = glstate_->projection();
1328
1329 // Add modelview matrix to output
1330 _view += QString(VIEW_MAGIC) + "\n";
1331 _view += QString::number(m(0,0)) + " " + QString::number(m(0,1)) + " " + QString::number(m(0,2)) + " " + QString::number(m(0,3)) + "\n";
1332 _view += QString::number(m(1,0)) + " " + QString::number(m(1,1)) + " " + QString::number(m(1,2)) + " " + QString::number(m(1,3)) + "\n";
1333 _view += QString::number(m(2,0)) + " " + QString::number(m(2,1)) + " " + QString::number(m(2,2)) + " " + QString::number(m(2,3)) + "\n";
1334 _view += QString::number(m(3,0)) + " " + QString::number(m(3,1)) + " " + QString::number(m(3,2)) + " " + QString::number(m(3,3)) + "\n";
1335
1336 // Add projection matrix to output
1337 _view += QString::number(p(0,0)) + " " + QString::number(p(0,1)) + " " + QString::number(p(0,2)) + " " + QString::number(p(0,3)) + "\n";
1338 _view += QString::number(p(1,0)) + " " + QString::number(p(1,1)) + " " + QString::number(p(1,2)) + " " + QString::number(p(1,3)) + "\n";
1339 _view += QString::number(p(2,0)) + " " + QString::number(p(2,1)) + " " + QString::number(p(2,2)) + " " + QString::number(p(2,3)) + "\n";
1340 _view += QString::number(p(3,0)) + " " + QString::number(p(3,1)) + " " + QString::number(p(3,2)) + " " + QString::number(p(3,3)) + "\n";
1341
1342 // add gl width/height, current projection Mode and the ortho mode width to output
1343 _view += QString::number(glWidth()) + " " + QString::number(glHeight()) + " " + QString::number(projectionMode_) + " " + QString::number(orthoWidth_) + "\n";
1344 }
1345
1346
1347 //----------------------------------------------------------------------------
1348
1349
1350 bool QtBaseViewer::decodeView(const QString& _view)
1351 {
1352 if (_view.left(sizeof(VIEW_MAGIC)-1) != QString(VIEW_MAGIC))
1353 return false;
1354
1355 // Remove the magic from the string
1356 QString temp = _view;
1357 temp.remove(0,sizeof(VIEW_MAGIC));
1358
1359 //Split it into its components
1360 QStringList split = temp.split(QRegExp("[\\n\\s]"),QString::SkipEmptyParts);
1361
1362 ACG::GLMatrixd m, p;
1363 int w, h, pMode;
1364
1365 // Check if the number of components matches the expected size
1366 if ( split.size() != 36 ) {
1367 std::cerr << "Unable to paste view ... wrong parameter count!! is" << split.size() << std::endl;
1368 return false;
1369 }
1370
1371 // Parse the components
1372 bool ok = true;;
1373
1374 m(0,0) = split[0].toDouble(&ok); if ( !ok ) { std::cerr << "Error in decoding View!" << std::endl; return false; }
1375 m(0,1) = split[1].toDouble(&ok); if ( !ok ) { std::cerr << "Error in decoding View!" << std::endl; return false; }
1376 m(0,2) = split[2].toDouble(&ok); if ( !ok ) { std::cerr << "Error in decoding View!" << std::endl; return false; }
1377 m(0,3) = split[3].toDouble(&ok); if ( !ok ) { std::cerr << "Error in decoding View!" << std::endl; return false; }
1378 m(1,0) = split[4].toDouble(&ok); if ( !ok ) { std::cerr << "Error in decoding View!" << std::endl; return false; }
1379 m(1,1) = split[5].toDouble(&ok); if ( !ok ) { std::cerr << "Error in decoding View!" << std::endl; return false; }
1380 m(1,2) = split[6].toDouble(&ok); if ( !ok ) { std::cerr << "Error in decoding View!" << std::endl; return false; }
1381 m(1,3) = split[7].toDouble(&ok); if ( !ok ) { std::cerr << "Error in decoding View!" << std::endl; return false; }
1382 m(2,0) = split[8].toDouble(&ok); if ( !ok ) { std::cerr << "Error in decoding View!" << std::endl; return false; }
1383 m(2,1) = split[9].toDouble(&ok); if ( !ok ) { std::cerr << "Error in decoding View!" << std::endl; return false; }
1384 m(2,2) = split[10].toDouble(&ok); if ( !ok ) { std::cerr << "Error in decoding View!" << std::endl; return false; }
1385 m(2,3) = split[11].toDouble(&ok); if ( !ok ) { std::cerr << "Error in decoding View!" << std::endl; return false; }
1386 m(3,0) = split[12].toDouble(&ok); if ( !ok ) { std::cerr << "Error in decoding View!" << std::endl; return false; }
1387 m(3,1) = split[13].toDouble(&ok); if ( !ok ) { std::cerr << "Error in decoding View!" << std::endl; return false; }
1388 m(3,2) = split[14].toDouble(&ok); if ( !ok ) { std::cerr << "Error in decoding View!" << std::endl; return false; }
1389 m(3,3) = split[15].toDouble(&ok); if ( !ok ) { std::cerr << "Error in decoding View!" << std::endl; return false; }
1390 p(0,0) = split[16].toDouble(&ok); if ( !ok ) { std::cerr << "Error in decoding View!" << std::endl; return false; }
1391 p(0,1) = split[17].toDouble(&ok); if ( !ok ) { std::cerr << "Error in decoding View!" << std::endl; return false; }
1392 p(0,2) = split[18].toDouble(&ok); if ( !ok ) { std::cerr << "Error in decoding View!" << std::endl; return false; }
1393 p(0,3) = split[19].toDouble(&ok); if ( !ok ) { std::cerr << "Error in decoding View!" << std::endl; return false; }
1394 p(1,0) = split[20].toDouble(&ok); if ( !ok ) { std::cerr << "Error in decoding View!" << std::endl; return false; }
1395 p(1,1) = split[21].toDouble(&ok); if ( !ok ) { std::cerr << "Error in decoding View!" << std::endl; return false; }
1396 p(1,2) = split[22].toDouble(&ok); if ( !ok ) { std::cerr << "Error in decoding View!" << std::endl; return false; }
1397 p(1,3) = split[23].toDouble(&ok); if ( !ok ) { std::cerr << "Error in decoding View!" << std::endl; return false; }
1398 p(2,0) = split[24].toDouble(&ok); if ( !ok ) { std::cerr << "Error in decoding View!" << std::endl; return false; }
1399 p(2,1) = split[25].toDouble(&ok); if ( !ok ) { std::cerr << "Error in decoding View!" << std::endl; return false; }
1400 p(2,2) = split[26].toDouble(&ok); if ( !ok ) { std::cerr << "Error in decoding View!" << std::endl; return false; }
1401 p(2,3) = split[27].toDouble(&ok); if ( !ok ) { std::cerr << "Error in decoding View!" << std::endl; return false; }
1402 p(3,0) = split[28].toDouble(&ok); if ( !ok ) { std::cerr << "Error in decoding View!" << std::endl; return false; }
1403 p(3,1) = split[29].toDouble(&ok); if ( !ok ) { std::cerr << "Error in decoding View!" << std::endl; return false; }
1404 p(3,2) = split[30].toDouble(&ok); if ( !ok ) { std::cerr << "Error in decoding View!" << std::endl; return false; }
1405 p(3,3) = split[31].toDouble(&ok); if ( !ok ) { std::cerr << "Error in decoding View!" << std::endl; return false; }
1406
1407 w = split[32].toInt(&ok); if ( !ok ) { std::cerr << "Error in decoding View!" << std::endl; return false; }
1408 h = split[33].toInt(&ok); if ( !ok ) { std::cerr << "Error in decoding View!" << std::endl; return false; }
1409 pMode = split[34].toInt(&ok); if ( !ok ) { std::cerr << "Error in decoding View!" << std::endl; return false; }
1410 orthoWidth_ = split[35].toDouble(&ok); if ( !ok ) { std::cerr << "Error in decoding View!" << std::endl; return false; }
1411
1412 // Switch to our gl context
1413 makeCurrent();
1414
1415 // set projection mode
1416 if (projectionMode_ != (ProjectionMode)pMode)
1417 projectionMode((ProjectionMode)pMode);
1418
1419 // Apply new modelview matrix
1420 glstate_->set_modelview(m);
1421
1422
1423 if (w>0 && h>0 &&
1424 action_["PasteDropSize"]->isChecked() )
1425 {
1426 glstate_->set_projection(p);
1427 glView_->setFixedSize(w,h);
1428 updateGeometry();
1429 }
1430
1431
1432 updateGL();
1433
1434
1435 return true;
1436 }
1437
1438
1439 //-----------------------------------------------------------------------------
1440
1441
1442 void QtBaseViewer::actionDrawMenu( QAction * _action )
1443 {
1444 SceneGraph::DrawModes::DrawMode mode( _action->data().toUInt() );
1445
1446 // combine draw modes
1447 if (qApp->keyboardModifiers() & Qt::ShiftModifier)
1448 {
1449 if (drawMode() & mode)
1450 drawMode(drawMode() & ~mode);
1451 else
1452 drawMode(drawMode() | mode);
1453 }
1454
1455 // simply switch draw mode
1456 else
1457 {
1458 // clear all other checked items
1459 std::vector< QAction * >::iterator aIter, aEnd;
1460
1461 aEnd = drawMenuActions_.end();
1462 for( aIter = drawMenuActions_.begin();
1463 aIter != aEnd;
1464 ++aIter )
1465 {
1466 if( SceneGraph::DrawModes::DrawMode((*aIter)->data().toUInt()) != mode )
1467 (*aIter)->setChecked( false );
1468 }
1469
1470 drawMode(mode);
1471 }
1472
1473 hidePopupMenus();
1474 updateGL();
1475 }
1476
1477
1478 //-----------------------------------------------------------------------------
1479
1480
1481 void QtBaseViewer::actionBackground()
1482 {
1483 const Vec4f bc = glstate_->clear_color() * 255.0f;
1484 QColor backCol((int)bc[0], (int)bc[1], (int)bc[2]);
1485 QColor c = QColorDialog::getColor(backCol,this);
1486 if (c != backCol && c.isValid())
1487 backgroundColor(Vec4f(((double) c.red()) / 255.0f,
1488 ((double) c.green()) / 255.0f,
1489 ((double) c.blue()) / 255.0f,
1490 1.0));
1491
1492 }
1493
1494 //-----------------------------------------------------------------------------
1495
1496
1497 void QtBaseViewer::actionCopyView()
1498 {
1499 QString view; encodeView(view);
1500 QApplication::clipboard()->setText(view);
1501 }
1502
1503
1504 //-----------------------------------------------------------------------------
1505
1506
1507 void QtBaseViewer::actionPasteView()
1508 {
1509 QString view; view=QApplication::clipboard()->text();
1510 decodeView(view);
1511 }
1512
1513
1514 //-----------------------------------------------------------------------------
1515
1516
1517 void QtBaseViewer::actionPasteDropSize()
1518 {
1519 }
1520
1521 //-----------------------------------------------------------------------------
1522
1523
1524 void QtBaseViewer::actionSynchronize()
1525 {
1526 setSynchronization( action_["Synchronize"]->isChecked() );
1527 }
1528
1529 //-----------------------------------------------------------------------------
1530
1531 void QtBaseViewer::actionSynchronize(bool _enable)
1532 {
1533 setSynchronization( _enable );
1534 }
1535
1536 bool QtBaseViewer::synchronization(){
1537 return synchronized_;
1538 }
1539
1540 //-----------------------------------------------------------------------------
1541
1542 void QtBaseViewer::actionAnimation()
1543 {
1544 animation(!animation());
1545 }
1546
1547 //-----------------------------------------------------------------------------
1548
1549 void QtBaseViewer::actionAnimation(bool _enable)
1550 {
1551 animation(_enable);
1552 }
1553
1554 //-----------------------------------------------------------------------------
1555
1556 void QtBaseViewer::actionBackfaceCulling()
1557 {
1558 backFaceCulling(!backFaceCulling());
1559 }
1560
1561 //-----------------------------------------------------------------------------
1562
1563 void QtBaseViewer::actionBackfaceCulling(bool _enable)
1564 {
1565 backFaceCulling(_enable);
1566 }
1567
1568 //-----------------------------------------------------------------------------
1569
1570 void QtBaseViewer::actionTwoSidedLighting()
1571 {
1572 twoSidedLighting(!twoSidedLighting());
1573 }
1574
1575 //-----------------------------------------------------------------------------
1576
1577 void QtBaseViewer::actionTwoSidedLighting(bool _enable)
1578 {
1579 twoSidedLighting(_enable);
1580 }
1581
1582 //-----------------------------------------------------------------------------
1583
1584
1585 void QtBaseViewer::updatePopupMenu()
1586 {
1587 //
1588 // Draw mode menu
1589 //
1590
1591 if ( ! drawMenu_ )
1592 {
1593 drawMenu_ = new QMenu( this );
1594 connect( drawMenu_, SIGNAL( aboutToHide() ),
1595 this, SLOT( hidePopupMenus() ) );
1596
1597 }
1598
1599 QActionGroup * drawGroup = new QActionGroup( this );
1600 drawGroup->setExclusive( false );
1601 connect( drawGroup, SIGNAL( triggered( QAction * ) ),
1602 this, SLOT( actionDrawMenu( QAction * ) ) );
1603
1604
1605
1606 drawMenuActions_.clear();
1607
1608 std::vector< SceneGraph::DrawModes::DrawMode > draw_mode_id;
1609
1610 draw_mode_id = availDrawModes_.getAtomicDrawModes();
1611
1612 for ( unsigned int i = 0; i < draw_mode_id.size(); ++i )
1613 {
1614 SceneGraph::DrawModes::DrawMode id = draw_mode_id[i];
1615 std::string descr = id.description();
1616
1617 QAction * action = new QAction( descr.c_str(), drawGroup );
1618 action->setData( QVariant( quint64(id.getIndex() ) ) );
1619 action->setCheckable( true );
1620 action->setChecked( curDrawMode_.containsAtomicDrawMode(id) );
1621 drawMenuActions_.push_back( action );
1622 }
1623
1624
1625 drawMenu_->clear();
1626 drawMenu_->addActions( drawGroup->actions() );
1627
1628
1629 // function menu
1630
1631 if (!funcMenu_)
1632 {
1633 funcMenu_=new QMenu( this );
1634
1635 funcMenu_->addAction( action_[ "Background" ] );
1636 funcMenu_->addSeparator();
1637 funcMenu_->addAction( action_[ "Snapshot" ] );
1638 funcMenu_->addAction( action_[ "SnapshotName" ] );
1639 funcMenu_->addAction( action_[ "SnapshotSavesView" ] );
1640 funcMenu_->addSeparator();
1641 funcMenu_->addAction( action_[ "CopyView" ] );
1642 funcMenu_->addAction( action_[ "PasteView" ] );
1643 funcMenu_->addAction( action_[ "PasteDropSize" ] );
1644 funcMenu_->addSeparator();
1645 funcMenu_->addAction( action_[ "Synchronize" ] );
1646 funcMenu_->addSeparator();
1647 funcMenu_->addAction( action_[ "Animation" ] );
1648 funcMenu_->addAction( action_[ "BackfaceCulling" ] );
1649 funcMenu_->addAction( action_[ "TwoSidedLighting" ] );
1650
1651 connect( funcMenu_, SIGNAL( aboutToHide() ),
1652 this, SLOT( hidePopupMenus() ) );
1653 }
1654
1655
1656 }
1657
1658
1659 //-----------------------------------------------------------------------------
1660
1661
1662 void QtBaseViewer::hidePopupMenus()
1663 {
1664 if ( drawMenu_ )
1665 {
1666 drawMenu_->blockSignals(true);
1667 drawMenu_->hide();
1668 drawMenu_->blockSignals(false);
1669 }
1670
1671 if ( funcMenu_ )
1672 {
1673 funcMenu_->blockSignals(true);
1674 funcMenu_->hide();
1675 funcMenu_->blockSignals(false);
1676 }
1677
1678 if ( pickMenu_ )
1679 {
1680 pickMenu_->blockSignals(true);
1681 pickMenu_->hide();
1682 pickMenu_->blockSignals(false);
1683 }
1684 }
1685
1686
1687 //-----------------------------------------------------------------------------
1688
1689
1690 void QtBaseViewer::translate(const Vec3d& _trans)
1691 {
1692 makeCurrent();
1693 glstate_->translate(_trans[0], _trans[1], _trans[2], MULT_FROM_LEFT);
1694 }
1695
1696
1697 //-----------------------------------------------------------------------------
1698
1699
1700 void QtBaseViewer::initModelviewMatrix()
1701 {
1702 makeCurrent();
1703 glstate_->reset_modelview();
1704 }
1705
1706
1707 //-----------------------------------------------------------------------------
1708
1709
1710 void QtBaseViewer::rotate(const Vec3d& _axis,
1711 double _angle,
1712 const Vec3d& _center)
1713 {
1714 makeCurrent();
1715 Vec3d t = glstate_->modelview().transform_point(_center);
1716 glstate_->translate(-t[0], -t[1], -t[2], MULT_FROM_LEFT);
1717 glstate_->rotate(_angle, _axis[0], _axis[1], _axis[2], MULT_FROM_LEFT);
1718 glstate_->translate( t[0], t[1], t[2], MULT_FROM_LEFT);
1719
1720 sync_send( glstate_->modelview(), glstate_->inverse_modelview() );
1721 }
1722
1723
1724 //-----------------------------------------------------------------------------
1725
1726
1727 unsigned int QtBaseViewer::glWidth() const {
1728 return glView_->width();
1729 }
1730 unsigned int QtBaseViewer::glHeight() const {
1731 return glView_->height();
1732 }
1733 QSize QtBaseViewer::glSize() const {
1734 return glView_->size();
1735 }
1736 QPoint QtBaseViewer::glMapFromGlobal( const QPoint& _pos ) const {
1737 return glView_->mapFromGlobal(_pos);
1738 }
1739
1740 QPoint QtBaseViewer::glMapToGlobal( const QPoint& _pos ) const {
1741 return glView_->mapToGlobal(_pos);
1742 }
1743
1744
1745 //-----------------------------------------------------------------------------
1746
1747
1748 void
1749 QtBaseViewer::showSceneGraphDialog()
1750 {
1751 if (sceneGraphRoot_)
1752 {
1753 if (!sceneGraphDialog_)
1754 {
1755 sceneGraphDialog_ = new QtSceneGraphDialog( this, sceneGraphRoot_ );
1756
1757 connect(this,
1758 SIGNAL(signalSceneGraphChanged(ACG::SceneGraph::BaseNode*)),
1759 sceneGraphDialog_,
1760 SLOT(update(ACG::SceneGraph::BaseNode*)));
1761
1762 connect(sceneGraphDialog_,
1763 SIGNAL(signalNodeChanged(ACG::SceneGraph::BaseNode*)),
1764 this,
1765 SLOT(slotNodeChanged(ACG::SceneGraph::BaseNode*)));
1766 }
1767
1768 sceneGraphDialog_->show();
1769 }
1770 }
1771
1772
1773 //-----------------------------------------------------------------------------
1774
1775
1776 void
1777 QtBaseViewer::slotNodeChanged(ACG::SceneGraph::BaseNode* _node)
1778 {
1779 emit(signalNodeChanged(_node));
1780 updateGL();
1781 }
1782
1783
1784 //-----------------------------------------------------------------------------
1785
1786
1787 void QtBaseViewer::slotWheelX(double _dAngle)
1788 {
1789 rotate(Vec3d(1,0,0),QtWheel::deg(QtWheel::clip(_dAngle)));
1790 updateGL();
1791
1792 // sync
1793 emit(signalSetView(glstate_->modelview(), glstate_->inverse_modelview()));
1794
1795 emit viewChanged();
1796 }
1797
1798 void QtBaseViewer::slotWheelY(double _dAngle)
1799 {
1800 rotate(Vec3d(0,1,0),QtWheel::deg(QtWheel::clip(_dAngle)));
1801 updateGL();
1802
1803 // sync
1804 emit(signalSetView(glstate_->modelview(), glstate_->inverse_modelview()));
1805
1806 emit viewChanged();
1807 }
1808
1809 void QtBaseViewer::slotWheelZ(double _dist)
1810 {
1811 double dz=_dist*0.5/M_PI*scene_radius_*2.0;
1812 translate(Vec3d(0,0,dz));
1813 updateGL();
1814
1815 // sync
1816 emit(signalSetView(glstate_->modelview(), glstate_->inverse_modelview()));
1817
1818 emit viewChanged();
1819 }
1820
1821
1822 //-----------------------------------------------------------------------------
1823
1824 void QtBaseViewer::sceneRectChanged(const QRectF &rect)
1825 {
1826 glBase_->setGeometry (rect);
1827 }
1828
1829 //-----------------------------------------------------------------------------
1830
1831
1832 void QtBaseViewer::grabGLArea()
1833 {
1834 glareaGrabbed_ = true;
1835
1836 glView_->setCursor(Qt::BlankCursor);
1837 glBase_->setCursor(Qt::BlankCursor);
1838 glView_->grabMouse();
1839 glView_->grabKeyboard();
1840 }
1841
1842 void QtBaseViewer::releaseGLArea()
1843 {
1844 glareaGrabbed_ = false;
1845
1846 glView_->releaseMouse();
1847 glView_->releaseKeyboard();
1848 glView_->setCursor(Qt::ArrowCursor);
1849 glBase_->setCursor(Qt::ArrowCursor);
1850 }
1851
1852
1853 //-----------------------------------------------------------------------------
1854
1855
1856 void QtBaseViewer::glContextMenuEvent(QContextMenuEvent* _event)
1857 {
1858
1859 if (popupEnabled_)
1860 {
1861 QPoint cpos(QCursor::pos()), dpos, fpos, ppos;
1862 int offset = 10, dw, dh, fw, fh, pw, ph;
1863 int minx, maxx, miny, maxy;
1864 int dx(0), dy(0);
1865
1866
1867 #ifdef ARCH_DARWIN
1868 # define WIDTH width()
1869 # define HEIGHT height()
1870 #else
1871 # define WIDTH sizeHint().width()
1872 # define HEIGHT sizeHint().height()
1873 #endif
1874
1875
1876
1877 // drawing mode menu
1878 if (drawMenu_)//TODO: && drawMenu_->count()>0)
1879 {
1880 dw = drawMenu_->WIDTH;
1881 dh = drawMenu_->HEIGHT;
1882 dpos = cpos + QPoint(offset, offset);
1883 }
1884 else
1885 {
1886 dpos = cpos; dw=dh=0;
1887 }
1888
1889
1890 // function menu
1892 if (funcMenu_)
1893 {
1894 fw = funcMenu_->WIDTH;
1895 fh = funcMenu_->HEIGHT;
1896 fpos = cpos + QPoint(offset, -offset-fh);
1897 }
1898 else
1899 {
1900 fpos = cpos; fw=fh=0;
1901 }
1902
1903
1904 // pick mode menu
1906 if (pickMenu_)
1907 {
1908 pw = pickMenu_->WIDTH;
1909 ph = pickMenu_->HEIGHT;
1910 ppos = cpos + QPoint(-offset-pw, -ph/2);
1911 }
1912 else
1913 {
1914 ppos = cpos; pw=ph=0;
1915 }
1916
1917
1918
1919 // handle screen boundaries
1920 minx = std::min(dpos.x(), std::min(fpos.x(), ppos.x()));
1921 maxx = std::max(dpos.x()+dw, std::max(fpos.x()+fw, ppos.x()+pw));
1922 miny = std::min(dpos.y(), std::min(fpos.y(), ppos.y()));
1923 maxy = std::max(dpos.y()+dh, std::max(fpos.y()+fh, ppos.y()+ph));
1924
1925
1926 if (minx < 0)
1927 {
1928 dx = -minx;
1929 }
1930 else if (maxx >= qApp->desktop()->width())
1931 {
1932 dx = qApp->desktop()->width() - maxx;
1933 }
1934
1935 if (miny < 0)
1936 {
1937 dy = -miny;
1938 }
1939 else if (maxy >= qApp->desktop()->height())
1940 {
1941 dy = qApp->desktop()->height() - maxy;
1942 }
1943
1944
1945 dpos += QPoint(dx, dy);
1946 fpos += QPoint(dx, dy);
1947 ppos += QPoint(dx, dy);
1948
1949
1950
1951 // popping up 3 menus only works w/o Qt menu fade/animate effects
1952 bool animate_menu = qApp->isEffectEnabled(Qt::UI_AnimateMenu);
1953 bool fade_menu = qApp->isEffectEnabled(Qt::UI_FadeMenu);
1954 if (animate_menu) qApp->setEffectEnabled(Qt::UI_AnimateMenu, false);
1955 if (fade_menu) qApp->setEffectEnabled(Qt::UI_FadeMenu, false);
1956
1957
1958 // popup the 3 menus
1959
1960 if (drawMenu_)
1961 {
1962 // SceneGraph::DrawModes::setQPopupMenuChecked(drawMenu_, curDrawMode_);
1963 drawMenu_->popup(dpos);
1964 }
1965
1966 if (funcMenu_)
1967 funcMenu_->popup(fpos);
1968
1969 if (pickMenu_)
1970 pickMenu_->popup(ppos);
1971
1972
1973 // restore effect state
1974 if (animate_menu) qApp->setEffectEnabled(Qt::UI_AnimateMenu, true);
1975 if (fade_menu) qApp->setEffectEnabled(Qt::UI_FadeMenu, true);
1976
1977
1978 _event->accept();
1979 }
1980 }
1981
1982
1983 //-----------------------------------------------------------------------------
1984
1985
1986 void QtBaseViewer::glMousePressEvent(QMouseEvent* _event)
1987 {
1988 // right button pressed => popup menu (ignore here)
1989 if (_event->button() == Qt::RightButton && popupEnabled_)
1990 {
1991 return;
1992 }
1993 else
1994 {
1995 switch (actionMode_)
1996 {
1997 case ExamineMode:
1998 if ((_event->modifiers() & Qt::ControlModifier)) // drag&drop
1999 if ( externalDrag_ ) {
2000 emit startDragEvent( _event );
2001 } else {
2002 startDrag();
2003 }
2004 else
2005 viewMouseEvent(_event); // examine
2006 break;
2007
2008 case LightMode:
2009 lightMouseEvent(_event);
2010 break;
2011
2012 case PickingMode: // give event to application
2013 emit(signalMouseEvent(_event, pick_mode_name_));
2014 emit(signalMouseEvent(_event));
2015 break;
2016
2017 case QuestionMode: // give event to application
2018 emit(signalMouseEventIdentify(_event));
2019 break;
2020 }
2021 }
2022 }
2023
2024
2025 //-----------------------------------------------------------------------------
2026
2027
2028 void QtBaseViewer::glMouseDoubleClickEvent(QMouseEvent* _event)
2029 {
2030 switch (actionMode_)
2031 {
2032 case ExamineMode:
2033 viewMouseEvent(_event);
2034 break;
2035
2036 case LightMode:
2037 lightMouseEvent(_event);
2038 break;
2039
2040 case PickingMode: // give event to application
2041 emit(signalMouseEvent(_event, pick_mode_name_));
2042 emit(signalMouseEvent(_event));
2043 break;
2044
2045 case QuestionMode: // give event to application
2046 emit(signalMouseEventIdentify(_event));
2047 break;
2048 }
2049 }
2050
2051
2052 //-----------------------------------------------------------------------------
2053
2054
2055 void QtBaseViewer::glMouseMoveEvent(QMouseEvent* _event)
2056 {
2057 switch ( actionMode_ )
2058 {
2059 case ExamineMode:
2060 viewMouseEvent(_event);
2061 break;
2062
2063 case LightMode:
2064 lightMouseEvent(_event);
2065 break;
2066
2067 case PickingMode:
2068 // give event to application
2069 // deliver mouse moves with no button down, if tracking is enabled,
2070 if ((_event->buttons() & (Qt::LeftButton | Qt::MidButton | Qt::RightButton))
2071 || trackMouse_)
2072 {
2073 emit(signalMouseEvent(_event, pick_mode_name_));
2074 emit(signalMouseEvent(_event));
2075 }
2076 break;
2077
2078 case QuestionMode: // give event to application
2079 emit(signalMouseEventIdentify(_event));
2080 break;
2081
2082 default: // avoid warning
2083 break;
2084 }
2085 }
2086
2087
2088 //-----------------------------------------------------------------------------
2089
2090
2091 void QtBaseViewer::glMouseReleaseEvent(QMouseEvent* _event)
2092 {
2093 // if (_event->button() == Qt::RightButton )
2094 // hidePopupMenus();
2095
2096 if (_event->button() != Qt::RightButton ||
2097 (actionMode_ == PickingMode && !popupEnabled_) )
2098 {
2099 switch ( actionMode_ )
2100 {
2101 case ExamineMode:
2102 viewMouseEvent(_event);
2103 break;
2104
2105 case LightMode:
2106 lightMouseEvent(_event);
2107 break;
2108
2109 case PickingMode: // give event to application
2110 emit(signalMouseEvent(_event, pick_mode_name_));
2111 emit(signalMouseEvent(_event));
2112 break;
2113
2114 case QuestionMode: // give event to application
2115 emit(signalMouseEventIdentify(_event));
2116 break;
2117
2118 default: // avoid warning
2119 break;
2120 }
2121 }
2122
2123 isRotating_ = false;
2124 }
2125
2126
2127 //-----------------------------------------------------------------------------
2128
2129
2130 void QtBaseViewer::glMouseWheelEvent(QWheelEvent* _event)
2131 {
2132 switch ( actionMode_ )
2133 {
2134 case ExamineMode:
2135 viewWheelEvent(_event);
2136 break;
2137
2138 case PickingMode: // give event to application
2139 emit(signalWheelEvent(_event, pick_mode_name_));
2140 break;
2141
2142 default: // avoid warning
2143 break;
2144 }
2145
2146 isRotating_ = false;
2147 }
2148
2149 //-----------------------------------------------------------------------------
2150
2151
2152 void QtBaseViewer::updatePickMenu()
2153 {
2154 delete pickMenu_;
2155
2156 pickMenu_ = new QMenu( 0 );
2157 connect( pickMenu_, SIGNAL( aboutToHide() ),
2158 this, SLOT( hidePopupMenus() ) );
2159
2160 QActionGroup * ag = new QActionGroup( pickMenu_ );
2161 ag->setExclusive( true );
2162
2163 for (unsigned int i=0; i<pick_modes_.size(); ++i) {
2164 if ( !pick_modes_[i].visible )
2165 continue;
2166
2167 if (pick_modes_[i].name == "Separator")
2168 {
2169 if ((i > 0) && (i<pick_modes_.size()-1)) // not first, not last
2170 pickMenu_->addSeparator();
2171 }
2172 else
2173 {
2174 QAction * ac = new QAction( pick_modes_[i].name.c_str(), ag );
2175 ac->setData( QVariant( i ) );
2176 ac->setCheckable( true );
2177
2178 if ((int)i == pick_mode_idx_)
2179 ac->setChecked( true );
2180
2181 pickMenu_->addAction( ac );
2182 }
2183 }
2184
2185 connect( ag, SIGNAL( triggered( QAction * ) ),
2186 this, SLOT( actionPickMenu( QAction * ) ));
2187 }
2188
2189 //-----------------------------------------------------------------------------
2190
2191
2192 void QtBaseViewer::actionPickMenu( QAction * _action )
2193 {
2194 int _id = _action->data().toInt();
2195 if (_id < (int) pick_modes_.size() )
2196 {
2197 pickMode( _id );
2198 }
2199
2200 actionMode( PickingMode );
2201
2202 hidePopupMenus();
2203 }
2204
2205 //-----------------------------------------------------------------------------
2206
2207 QToolBar* QtBaseViewer::getToolBar() {
2208 return buttonBar_;
2209 }
2210
2211 QToolBar* QtBaseViewer::removeToolBar() {
2212 glLayout_->removeWidget( buttonBar_ );
2213 return buttonBar_;
2214 }
2215
2216 //-----------------------------------------------------------------------------
2217
2218
2219 void QtBaseViewer::moveForward() {
2220 if(navigationMode_ == FIRSTPERSON_NAVIGATION) {
2221
2222 ACG::Vec3d dir = glstate_->viewing_direction();
2223
2224 dir *= -0.1;
2225
2226 glstate_->translate(dir[0], dir[1], dir[2]);
2227
2228 updateGL();
2229
2230 emit viewChanged();
2231 }
2232 }
2233
2234 void QtBaseViewer::moveBack() {
2235 if(navigationMode_ == FIRSTPERSON_NAVIGATION) {
2236 ACG::Vec3d dir = glstate_->viewing_direction();
2237
2238 dir *= 0.1;
2239
2240 glstate_->translate(dir[0], dir[1], dir[2]);
2241
2242 updateGL();
2243
2244 emit viewChanged();
2245 }
2246 }
2247
2248 void QtBaseViewer::strafeLeft() {
2249 if(navigationMode_ == FIRSTPERSON_NAVIGATION) {
2250 ACG::Vec3d dir = glstate_->right();
2251
2252 dir *= 0.1;
2253
2254 glstate_->translate(dir[0], dir[1], dir[2]);
2255
2256 updateGL();
2257
2258 emit viewChanged();
2259 }
2260 }
2261
2262 void QtBaseViewer::strafeRight() {
2263 if(navigationMode_ == FIRSTPERSON_NAVIGATION) {
2264 ACG::Vec3d dir = glstate_->right();
2265
2266 dir *= -0.1;
2267
2268 glstate_->translate(dir[0], dir[1], dir[2]);
2269
2270 updateGL();
2271
2272 emit viewChanged();
2273 }
2274 }
2275
2276 //=============================================================================
2277 } // namespace QtWidgets
2278 } // namespace ACG
2279 //=============================================================================
ACG::QtWidgets::QtBaseViewer::trackMouse
void trackMouse(bool _track)
Enable/disable mouse tracking (move events with no button press)
Definition: QtBaseViewer.cc:437
ACG::SceneGraph::CollectDrawModesAction::drawModes
DrawModes::DrawMode drawModes() const
Get the collected draw modes.
Definition: SceneGraph.hh:582
ACG::QtWidgets::QtBaseViewer::CW_ORIENTATION
clockwise
Definition: QtBaseViewer.hh:390
ACG::SceneGraph::BoundingBoxAction::bbMax
const Vec3d & bbMax() const
Returns maximum point of the bounding box.
Definition: SceneGraph.hh:403
ACG::GLMatrixT::rotate
void rotate(Scalar angle, Scalar x, Scalar y, Scalar z, MultiplyFrom _mult_from=MULT_FROM_RIGHT)
Definition: GLMatrixT_impl.hh:155
ACG::GLState::enable
static void enable(GLenum _cap, bool _warnRemoved=true)
replaces glEnable, but supports locking
Definition: GLState.cc:1507
ACG::QtWidgets::QtBaseViewer::drawMode
ACG::SceneGraph::DrawModes::DrawMode drawMode()
get current draw mode
Definition: QtBaseViewer.hh:465
ACG::QtWidgets::QtBaseViewer::glContextMenuEvent
virtual void glContextMenuEvent(QContextMenuEvent *_event)
handle mouse press events
Definition: QtBaseViewer.cc:1856
ACG::QtWidgets::QtBaseViewer::isUpdateLocked
bool isUpdateLocked() const
Definition: QtBaseViewer.hh:268
ACG::GLState::reset_modelview
void reset_modelview()
reset modelview matrix (load identity)
Definition: GLState.cc:370
ACG::QtWidgets::QtBaseViewer::FIRSTPERSON_NAVIGATION
First person mode.
Definition: QtBaseViewer.hh:311
ACG::GLState::viewing_direction
Vec3d viewing_direction() const
get viewing ray
Definition: GLState.hh:848
ACG::QtWidgets::QtBaseViewer::slotWheelX
virtual void slotWheelX(double _dAngle)
process signals from wheelX_
Definition: QtBaseViewer.cc:1787
ACG::QtWidgets::QtBaseViewer::moveForward
void moveForward()
First person navigation: Move forward.
Definition: QtBaseViewer.cc:2219
ACG::QtWidgets::QtBaseViewer::toggleNavigationMode
virtual void toggleNavigationMode()
toggle navigation mode
Definition: QtBaseViewer.cc:501
ACG::GLState::set_clear_color
void set_clear_color(const Vec4f &_col)
set background color
Definition: GLState.cc:662
ACG::QtWidgets::QtBaseViewer::pickMode
const std::string & pickMode() const
Definition: QtBaseViewerPicking.cc:311
ACG::QtWidgets::QtBaseViewer::signalSetView
void signalSetView(const GLMatrixd &_modelview, const GLMatrixd &_inverse_modelview)
set view, used for synchronizing (cf. slotSetView())
ACG::GLState::shadeModel
static void shadeModel(GLenum _mode)
replaces glShadeModel, supports locking
Definition: GLState.cc:1729
ACG::QtWidgets::QtBaseViewer::slotWheelY
virtual void slotWheelY(double _dAngle)
process signals from wheelX_
Definition: QtBaseViewer.cc:1798
ACG::QtWidgets::QtBaseViewer::decodeView
bool decodeView(const QString &_view)
Definition: QtBaseViewer.cc:1350
ACG::QtWidgets::QtBaseViewer::lockUpdate
virtual void lockUpdate()
Definition: QtBaseViewer.cc:413
ACG::QtWidgets::QtBaseViewer::encodeView
void encodeView(QString &_view)
convert current view to text representation
Definition: QtBaseViewer.cc:1323
ACG::QtWidgets::QtBaseViewer::resizeGL
virtual void resizeGL(int _w, int _h)
handle resize events
Definition: QtBaseViewer.cc:1313
ACG::GLState
Definition: GLState.hh:213
ACG::GLState::viewport
void viewport(int _left, int _bottom, int _width, int _height, int _glwidth=0, int _glheight=0)
set viewport (lower left corner, width, height, glcontext width, height)
Definition: GLState.cc:470
ACG::QtWidgets::QtBaseViewer::examineMode
virtual void examineMode()
calls actionMode() with ExamineMode (cf. ActionMode)
Definition: QtBaseViewer.hh:555
ACG::QtWidgets::QtBaseViewer::startDrag
virtual void startDrag()
drag & drop for modelview copying
Definition: QtBaseViewerDragDrop.cc:67
ACG::QtWidgets::QtBaseViewer::ShowPrivateStatusBar
Definition: QtBaseViewer.hh:149
ACG::QtWidgets::QtBaseViewer::moveBack
void moveBack()
First person navigation: Move back.
Definition: QtBaseViewer.cc:2234
ACG::QtWidgets::QtBaseViewer::slotNodeChanged
virtual void slotNodeChanged(ACG::SceneGraph::BaseNode *_node)
connected to scenegraph widget
Definition: QtBaseViewer.cc:1777
ACG::QtWidgets::QtBaseViewer::updateProjectionMatrix
void updateProjectionMatrix()
updates projection matrix
Definition: QtBaseViewer.cc:519
ACG::QtWidgets::QtBaseViewer::projectionMode
ProjectionMode projectionMode() const
get current projection mode
Definition: QtBaseViewer.hh:323
ACG
Namespace providing different geometric functions concerning angles.
Definition: BaseObjectData.hh:68
ACG::QtWidgets::QtBaseViewer::PERSPECTIVE_PROJECTION
perspective
Definition: QtBaseViewer.hh:317
ACG::SceneGraph::DrawModes::DrawMode::containsAtomicDrawMode
bool containsAtomicDrawMode(const DrawMode &_atomicDrawMode) const
Check whether an Atomic DrawMode is active in this draw Mode.
Definition: DrawModes.cc:520
ACG::QtWidgets::QtBaseViewer::showSceneGraphDialog
virtual void showSceneGraphDialog()
show scenegraph widget
Definition: QtBaseViewer.cc:1749
ACG::QtWidgets::QtSceneGraphDialog
Definition: QtSceneGraphWidget.hh:266
ACG::Vec4f
VectorT< float, 4 > Vec4f
Definition: VectorT.hh:138
ACG::QtWidgets::QtBaseViewer::glState
GLState & glState()
get OpenGL state
Definition: QtBaseViewer.hh:242
ACG::QtWidgets::QtBaseViewer::glMapToGlobal
QPoint glMapToGlobal(const QPoint &_pos) const
map glarea coords to global coords
Definition: QtBaseViewer.cc:1740
ACG::QtWidgets::QtBaseViewer::signalInitializeGL
void signalInitializeGL()
emitted when OpenGL stuff can be initialized
OpenMesh::VectorT
Definition: Vector11T.hh:83
ACG::QtWidgets::QtBaseViewer::actionSnapshotName
void actionSnapshotName()
Definition: QtBaseViewerSnapshot.cc:138
ACG::Matrix4x4T::identity
void identity()
setup an identity matrix
Definition: Matrix4x4T_impl.hh:250
ACG::QtWidgets::QtBaseViewer::makeCurrent
virtual void makeCurrent()
Makes this widget the current widget for OpenGL operations.
Definition: QtBaseViewer_qt.cc:131
ACG::QtWidgets::QtBaseViewer::NORMALIZE_NORMALS
Definition: QtBaseViewer.hh:416
ACG::QtWidgets::QtBaseViewer::ShowPickButton
Show pick button? Effect only if ShowToolBar!
Definition: QtBaseViewer.hh:163
ACG::QtWidgets::QtBaseViewer::FaceOrientation
FaceOrientation
orientation of the faces
Definition: QtBaseViewer.hh:388
ACG::Matrix4x4T::transform_point
VectorT< T, 3 > transform_point(const VectorT< T, 3 > &_v) const
transform point (x&#39;,y&#39;,z&#39;,1) = M * (x,y,z,1)
Definition: Matrix4x4T_impl.hh:196
ACG::QtWidgets::QtBaseViewer::animation
bool animation() const
Is animation enabled?
Definition: QtBaseViewer.hh:278
ACG::QtWidgets::QtBaseViewer::signalSceneGraphChanged
void signalSceneGraphChanged(ACG::SceneGraph::BaseNode *_root)
scene graph has changed
ACG::QtWidgets::QtBaseViewer::orthographicProjection
virtual void orthographicProjection()
set orthographic view (projectionMode(ORTHOGRAPHIC_PROJECTION))
Definition: QtBaseViewer.cc:468
ACG::QtWidgets::QtBaseViewer::toggleProjectionMode
virtual void toggleProjectionMode()
toggle projection mode
Definition: QtBaseViewer.cc:475
ACG::QtWidgets::QtBaseViewer::navigationMode
NavigationMode navigationMode() const
get current navigation mode
Definition: QtBaseViewer.hh:328
ACG::QtWidgets::QtBaseViewer::paintGL
virtual void paintGL()
draw the scene. Triggered by updateGL().
Definition: QtBaseViewer.cc:1212
ACG::QtWidgets::QtBaseViewer::slotWheelZ
virtual void slotWheelZ(double _dist)
process signals from wheelZ_
Definition: QtBaseViewer.cc:1809
ACG::QtWidgets::QtBaseViewer::Options
Options
Definition: QtBaseViewer.hh:139
ACG::QtWidgets::QtBaseViewer::drawNow
virtual void drawNow()
Definition: QtBaseViewer.cc:773
ACG::QtWidgets::QtBaseViewer::pickRendererMode_
ACG::SceneGraph::PickTarget pickRendererMode_
Definition: QtBaseViewer.hh:1300
ACG::QtWidgets::QtBaseViewer::focalDist_
double focalDist_
Set eye distance for stereo.
Definition: QtBaseViewer.hh:959
SceneGraph
Definition: QtPrincipalAxisDialog.hh:67
ACG::QtWidgets::QtBaseViewer::sceneRectChanged
virtual void sceneRectChanged(const QRectF &rect)
process graphics scene size changes
Definition: QtBaseViewer.cc:1824
ACG::QtWidgets::QtBaseViewer::faceOrientation
FaceOrientation faceOrientation() const
get face orientation
Definition: QtBaseViewer.hh:396
ACG::QtWidgets::QtBaseViewer::viewAll
virtual void viewAll()
view the whole scene
Definition: QtBaseViewer.cc:949
ACG::QtWidgets::QtBaseViewer::perspectiveProjection
virtual void perspectiveProjection()
set perspective view (projectionMode(PERSPECTIVE_PROJECTION))
Definition: QtBaseViewer.cc:461
ACG::GLState::reset_projection
void reset_projection()
reset projection matrix (load identity)
Definition: GLState.cc:334
ACG::SceneGraph::DrawAction
Definition: SceneGraph.hh:687
ACG::QtWidgets::QtBaseViewer::rotate
void rotate(const Vec3d &axis, double angle)
rotate the scene (around its center) and update modelview matrix
Definition: QtBaseViewer.hh:491
ACG::QtWidgets::QtBaseViewer::renderPicking_
bool renderPicking_
Definition: QtBaseViewer.hh:1294
ACG::QtWidgets::QtBaseViewer::viewingDirection
void viewingDirection(const ACG::Vec3d &_dir, const ACG::Vec3d &_up)
set the viewing direction
Definition: QtBaseViewer.cc:594
ACG::QtWidgets::QtBaseViewer::ShowQuestionButton
Show question button? Effect only if ShowToolBar!
Definition: QtBaseViewer.hh:167
ACG::GLState::set_modelview
void set_modelview(const GLMatrixd &_m)
set modelview
Definition: GLState.hh:728
ACG::QtWidgets::QtBaseViewer::glWidth
unsigned int glWidth() const
get width of QGLWidget
Definition: QtBaseViewer.cc:1727
ACG::GLState::perspective
void perspective(double _fovY, double _aspect, double _near_plane, double _far_plane)
perspective projection
Definition: GLState.cc:448
ACG::GLState::right
Vec3d right() const
get right-vector w.r.t. camera coordinates
Definition: GLState.cc:918
ACG::GLState::set_msSinceLastRedraw
void set_msSinceLastRedraw(unsigned int _ms)
set time passed since last redraw in milliseconds
Definition: GLState.hh:241
ACG::QtWidgets::QtBaseViewer::initializeGL
virtual void initializeGL()
initialize OpenGL states
Definition: QtBaseViewer.cc:1099
ACG::QtWidgets::QtBaseViewer::ORTHOGRAPHIC_PROJECTION
orthographic
Definition: QtBaseViewer.hh:316
ACG::GLState::inverse_modelview
const GLMatrixd & inverse_modelview() const
get inverse modelview matrix
Definition: GLState.hh:811
ACG::QtWidgets::QtBaseViewer::backFaceCulling
bool backFaceCulling() const
is backface culling enabled?
Definition: QtBaseViewer.hh:401
ACG::QtWidgets::QtBaseViewer::CCW_ORIENTATION
counter clockwise (default)
Definition: QtBaseViewer.hh:389
ACG::QtWidgets::QtBaseViewer::viewChanged
void viewChanged()
This signal is emitted whenever the view is changed by the user.
ACG::QtWidgets::QtBaseViewer::normalsMode
NormalsMode normalsMode() const
get treatment of normals
Definition: QtBaseViewer.hh:422
ACG::GLState::disable
static void disable(GLenum _cap, bool _warnRemoved=true)
replaces glDisable, but supports locking
Definition: GLState.cc:1527
ACG::QtWidgets::QtBaseViewer::setScenePos
void setScenePos(const ACG::Vec3d &_center, double _radius, const bool _setCenter=true)
Definition: QtBaseViewer.cc:561
ACG::QtWidgets::QtBaseViewer::enablePopupMenu
void enablePopupMenu(bool _enable)
Enable/disable right button draw mode menu (default: enabled)
Definition: QtBaseViewer.cc:446
ACG::QtWidgets::QtBaseViewer::viewWheelEvent
virtual void viewWheelEvent(QWheelEvent *_event)=0
specialized viewer: handle wheel events
ACG::QtWidgets::QtBaseViewer::NormalsMode
NormalsMode
Automatically normalize normals?
Definition: QtBaseViewer.hh:409
ACG::QtWidgets::QtBaseViewer::sync_send
void sync_send(const GLMatrixd &_modelview, const GLMatrixd &_inverse_modelview)
synchronized with different viewer?
Definition: QtBaseViewerSynchronization.cc:95
ACG::QtWidgets::QtBaseViewer::flyTo
virtual void flyTo(const QPoint &_pos, bool _move_back)
Fly to. Get closer if _move_back=false, get more distant else.
Definition: QtBaseViewer.cc:973
ACG::QtWidgets::QtBaseViewer
Definition: QtBaseViewer.hh:129
ACG::QtWidgets::QtBaseViewer::updateGL
virtual void updateGL()
Redraw scene. Triggers paint event for updating the view (cf. drawNow()).
Definition: QtBaseViewer.cc:781
ACG::GLMatrixT< double >
ACG::QtWidgets::QtBaseViewer::signalMouseEvent
void signalMouseEvent(QMouseEvent *, const std::string &)
ACG::QtWidgets::QtBaseViewer::synchronized_
bool synchronized_
synchronized with different viewer?
Definition: QtBaseViewer.hh:1099
ACG::QtWidgets::QtBaseViewer::applyOptions
void applyOptions(int _options)
Apply ORed Options _options.
Definition: QtBaseViewer.cc:351
ACG::QtWidgets::QtBaseViewer::ActionMode
ActionMode
How to react on mouse events?
Definition: QtBaseViewer.hh:359
ACG::SceneGraph::PICK_ANYTHING
pick any of the prior targets (should be implemented for all nodes)
Definition: PickTarget.hh:84
ACG::GLState::ortho
void ortho(double _left, double _right, double _bottom, double _top, double _near_plane, double _far_plane)
orthographic projection
Definition: GLState.cc:402
ACG::QtWidgets::QtBaseViewer::swapBuffers
virtual void swapBuffers()
Swaps the screen contents with the off-screen buffer.
Definition: QtBaseViewer_qt.cc:135
ACG::QtWidgets::QtBaseViewer::actionSnapshot
void actionSnapshot()
Definition: QtBaseViewerSnapshot.cc:129
ACG::QtWidgets::QtBaseViewer::glMouseWheelEvent
virtual void glMouseWheelEvent(QWheelEvent *_event)
handle mouse wheel events
Definition: QtBaseViewer.cc:2130
ACG::QtWidgets::QtBaseViewer::glMapFromGlobal
QPoint glMapFromGlobal(const QPoint &_pos) const
map global to glarea coords
Definition: QtBaseViewer.cc:1736
ACG::QtWidgets::QtBaseViewer::actionSnapshotSavesView
void actionSnapshotSavesView()
Definition: QtBaseViewerSnapshot.cc:159
ACG::QtWidgets::QtBaseViewer::signalActionModeChanged
void signalActionModeChanged(ACG::QtWidgets::QtBaseViewer::ActionMode _m)
action mode was changed
ACG::QtWidgets::QtBaseViewer::rotate_lights
void rotate_lights(Vec3d &_axis, double _angle)
rotete light sources
Definition: QtBaseViewer.cc:1202
ACG::SceneGraph::CollectDrawModesAction
Definition: SceneGraph.hh:569
ACG::QtWidgets::QtBaseViewer::pick_mode_idx_
int pick_mode_idx_
Definition: QtBaseViewer.hh:1290
ACG::QtWidgets::QtBaseViewer::synchronization
bool synchronization()
synchronized with different viewer?
Definition: QtBaseViewer.cc:1536
ACG::QtWidgets::QtBaseViewer::skipNextSync_
bool skipNextSync_
Skips the next synch event.
Definition: QtBaseViewer.hh:1102
ACG::QtWidgets::QtBaseViewer::pick_modes_
std::vector< PickMode > pick_modes_
Definition: QtBaseViewer.hh:1282
ACG::QtWidgets::QtBaseViewer::backgroundColor
Vec4f backgroundColor()
get background color
Definition: QtBaseViewer.cc:347
ACG::QtWidgets::QtBaseViewer::startDragEvent
void startDragEvent(QMouseEvent *_event)
ACG::QtWidgets::QtBaseViewer::sceneGraph
SceneGraph::BaseNode * sceneGraph()
Returns: root node of scene graph.
Definition: QtBaseViewer.hh:294
ACG::QtWidgets::QtBaseViewer::updatePickMenu
void updatePickMenu()
update pick mode menu
Definition: QtBaseViewer.cc:2152
ACG::QtWidgets::QtBaseViewer::setView
virtual void setView(const GLMatrixd &_modelview, const GLMatrixd &_inverse_modelview)
set view, used for synchronizing
Definition: QtBaseViewer.cc:1087
ACG::QtWidgets::QtBaseViewer::setStatusBar
void setStatusBar(QStatusBar *_sb)
Definition: QtBaseViewer.cc:326
ACG::QtWidgets::QtBaseViewer::NavigationMode
NavigationMode
Navigation mode.
Definition: QtBaseViewer.hh:309
ACG::QtWidgets::QtBaseViewer::glMousePressEvent
virtual void glMousePressEvent(QMouseEvent *_event)
handle mouse press events
Definition: QtBaseViewer.cc:1986
ACG::QtWidgets::QtBaseViewer::strafeRight
void strafeRight()
First person navigation: Strafe Right.
Definition: QtBaseViewer.cc:2262
ACG::QtWidgets::QtBaseViewer::pick_mode_name_
std::string pick_mode_name_
Definition: QtBaseViewer.hh:1286
ACG::SceneGraph::BaseNode
Definition: BaseNode.hh:104
ACG::SceneGraph::DrawModes::DrawMode::getAtomicDrawModes
std::vector< DrawMode > getAtomicDrawModes() const
Separates this drawMode into a list of all separate atomic draw modes.
Definition: DrawModes.cc:495
ACG::SceneGraph::DrawModes::NONE
DrawMode NONE
not a valid draw mode
Definition: DrawModes.cc:71
ACG::QtWidgets::QtBaseViewer::signalMouseEventIdentify
void signalMouseEventIdentify(QMouseEvent *)
ACG::QtWidgets::QtBaseViewer::glSize
QSize glSize() const
get size of QGLWIdget
Definition: QtBaseViewer.cc:1733
ACG::GLState::rotate
void rotate(double _angle, double _x, double _y, double _z, MultiplyFrom _mult_from=MULT_FROM_RIGHT)
rotate around axis (_x, _y, _z) by _angle
Definition: GLState.cc:564
ACG::QtWidgets::QtWheel::deg
static double deg(double _angle)
maps _angle from radiants to degrees (works also for clip()ped angles)
Definition: QtWheel.cc:440
ACG::QtWidgets::QtBaseViewer::signalDrawScene
void signalDrawScene(ACG::GLState *_state)
render callback
ACG::QtWidgets::QtWheel::clip
static double clip(double _angle)
Definition: QtWheel.cc:436
ACG::QtWidgets::QtBaseViewer::update_lights
void update_lights()
update light position
Definition: QtBaseViewer.cc:1169
ACG::QtWidgets::QtBaseViewer::~QtBaseViewer
virtual ~QtBaseViewer()
Destructor.
Definition: QtBaseViewer.cc:302
ACG::QtWidgets::QtBaseViewer::glMouseReleaseEvent
virtual void glMouseReleaseEvent(QMouseEvent *_event)
handle mouse release events
Definition: QtBaseViewer.cc:2091
ACG::QtWidgets::QtBaseViewer::unlockUpdate
virtual void unlockUpdate()
Unlock display locked by updateLock().
Definition: QtBaseViewer.cc:420
ACG::QtWidgets::QtBaseViewer::NORMAL_NAVIGATION
Normal mode.
Definition: QtBaseViewer.hh:310
ACG::QtWidgets::QtBaseViewer::viewMouseEvent
virtual void viewMouseEvent(QMouseEvent *_event)=0
specialized viewer: hande mouse events
ACG::QtWidgets::QtBaseViewer::setFovy
void setFovy(double _fovy)
set field of view y
Definition: QtBaseViewer.cc:608
ACG::SceneGraph::DrawModes::DrawMode
Specifies a DrawMode.
Definition: DrawModes.hh:288
ACG::QtWidgets::QtBaseViewer::add_sync_host
bool add_sync_host(const QString &_name)
add host to synchronize with, given by its name
Definition: QtBaseViewerSynchronization.cc:221
ACG::QtWidgets::QtBaseViewer::actionMode
ActionMode actionMode() const
get action mode
Definition: QtBaseViewer.hh:384
ACG::QtWidgets::QtBaseViewer::setSceneCenter
void setSceneCenter(const ACG::Vec3d &_center)
Definition: QtBaseViewer.cc:586
ACG::QtWidgets::QtBaseViewer::signalWheelEvent
void signalWheelEvent(QWheelEvent *, const std::string &)
Emitted in Pick mode. Uses pick mode.
ACG::SceneGraph::BoundingBoxAction::bbMin
const Vec3d & bbMin() const
Returns minimum point of the bounding box.
Definition: SceneGraph.hh:401
ACG::QtWidgets::QtBaseViewer::snapshot_
QImage * snapshot_
Definition: QtBaseViewer.hh:1153
ACG::QtWidgets::QtBaseViewer::ShowWheelX
Show wheel for rotation around x-axis (left)?
Definition: QtBaseViewer.hh:170
ACG::QtWidgets::QtBaseViewer::ShowWheelY
Show wheel for rotation around y-axis (bottom)?
Definition: QtBaseViewer.hh:172
ACG::QtWidgets::QtBaseViewer::setHome
virtual void setHome()
set home position
Definition: QtBaseViewer.cc:919
ACG::GLState::modelview
const GLMatrixd & modelview() const
get modelview matrix
Definition: GLState.hh:791
ACG::QtWidgets::QtBaseViewer::ShowToolBar
Definition: QtBaseViewer.hh:160
ACG::QtWidgets::QtBaseViewer::translate
void translate(const Vec3d &trans)
translate the scene and update modelview matrix
Definition: QtBaseViewer.cc:1690
ACG::QtWidgets::QtBaseViewer::socket_
QUdpSocket * socket_
socket used for synchronization
Definition: QtBaseViewer.hh:1105
ACG::QtWidgets::QtBaseViewer::home
virtual void home()
go to home pos
Definition: QtBaseViewer.cc:929
ACG::QtWidgets::QtBaseViewer::stereo_
bool stereo_
Set eye distance for stereo.
Definition: QtBaseViewer.hh:958
ACG::QtWidgets::QtBaseViewer::QtBaseViewer
QtBaseViewer(QWidget *_parent=0, const char *_name=0, QStatusBar *_statusBar=0, const QGLFormat *_format=0, const QtBaseViewer *_share=0, Options _options=DefaultOptions)
Definition: QtBaseViewer.cc:131
ACG::GLState::set_projection
void set_projection(const GLMatrixd &_m)
set projection
Definition: GLState.hh:691
ACG::QtWidgets::QtBaseViewer::glMouseMoveEvent
virtual void glMouseMoveEvent(QMouseEvent *_event)
handle mouse move events
Definition: QtBaseViewer.cc:2055
ACG::QtWidgets::QtBaseViewer::ShowWheelZ
Definition: QtBaseViewer.hh:176
ACG::QtWidgets::QtBaseViewer::pick
bool pick(SceneGraph::PickTarget _pickTarget, const QPoint &_mousePos, unsigned int &_nodeIdx, unsigned int &_targetIdx, Vec3d *_hitPointPtr=0)
Definition: QtBaseViewerPicking.cc:83
ACG::GLState::set_twosided_lighting
void set_twosided_lighting(bool _b)
set whether transparent or solid objects should be drawn
Definition: GLState.cc:822
ACG::QtWidgets::QtBaseViewer::DONT_TOUCH_NORMALS
use provided normals as is
Definition: QtBaseViewer.hh:411
ACG::GLState::setState
void setState()
set the whole stored gl state
Definition: GLState.cc:209
ACG::SceneGraph::BoundingBoxAction
Definition: SceneGraph.hh:362
ACG::GLState::drawBuffer
static void drawBuffer(GLenum _mode)
replaces glDrawBuffer, supports locking
Definition: GLState.cc:2033
ACG::QtWidgets::QtBaseViewer::externalDrag_
bool externalDrag_
Definition: QtBaseViewer.hh:1061
ACG::QtWidgets::QtBaseViewer::getToolBar
QToolBar * getToolBar()
Returns a pointer to the Toolbar.
Definition: QtBaseViewer.cc:2207
ACG::GLState::lookAt
void lookAt(const Vec3d &_eye, const Vec3d &_center, const Vec3d &_up)
set camera by lookAt
Definition: GLState.cc:515
ACG::GLState::projection
const GLMatrixd & projection() const
get projection matrix
Definition: GLState.hh:786
ACG::QtWidgets::QtBaseViewer::signalNodeChanged
void signalNodeChanged(ACG::SceneGraph::BaseNode *_node)
scene graph has changed
ACG::QtWidgets::QtBaseViewer::setSynchronization
virtual void setSynchronization(bool _b)
toggle global synchronization
Definition: QtBaseViewerSynchronization.cc:185
ACG::QtWidgets::QtBaseViewer::removeToolBar
QToolBar * removeToolBar()
Returns a pointer to the toolbar and removes it from the default position in the examiner widget...
Definition: QtBaseViewer.cc:2211
ACG::QtWidgets::QtBaseViewer::unlockAndUpdate
virtual void unlockAndUpdate()
Definition: QtBaseViewer.cc:427
ACG::QtWidgets::QtBaseViewer::initModelviewMatrix
void initModelviewMatrix()
initialize modelview matrix to identity
Definition: QtBaseViewer.cc:1700
ACG::QtWidgets::QtBaseViewer::lightMouseEvent
virtual void lightMouseEvent(QMouseEvent *)
optional: hande mouse events to rotate light
Definition: QtBaseViewer.hh:689
ACG::QtWidgets::QtBaseViewer::twoSidedLighting
bool twoSidedLighting() const
is 2-sided lighing enabled?
Definition: QtBaseViewer.hh:406
ACG::QtWidgets::QtBaseViewer::glMouseDoubleClickEvent
virtual void glMouseDoubleClickEvent(QMouseEvent *_event)
handle mouse double click events
Definition: QtBaseViewer.cc:2028
ACG::GLState::clear_color
const Vec4f & clear_color() const
get background color
Definition: GLState.hh:921
ACG::QtWidgets::QtBaseViewer::eyeDist_
double eyeDist_
Set eye distance for stereo.
Definition: QtBaseViewer.hh:959
ACG::QtWidgets::QtBaseViewer::ProjectionMode
ProjectionMode
projection mode
Definition: QtBaseViewer.hh:315
ACG::GLState::translate
void translate(double _x, double _y, double _z, MultiplyFrom _mult_from=MULT_FROM_RIGHT)
translate by (_x, _y, _z)
Definition: GLState.cc:533
ACG::SceneGraph::traverse
void traverse(BaseNode *_node, Action &_action)
Definition: SceneGraph.hh:137
ACG::QtWidgets::QtBaseViewer::glHeight
unsigned int glHeight() const
get height of QGLWidget
Definition: QtBaseViewer.cc:1730
ACG::QtWidgets::QtBaseViewer::PickingMode
Definition: QtBaseViewer.hh:365
ACG::GLState::initialize
void initialize()
initialize all state variables (called by constructor)
Definition: GLState.cc:162
ACG::Vec3d
VectorT< double, 3 > Vec3d
Definition: VectorT.hh:121
ACG::QtWidgets::QtBaseViewer::signalPickModeChanged
void signalPickModeChanged(const std::string &)
ACG::SceneGraph::PickAction
Definition: SceneGraph.hh:746
ACG::QtWidgets::QtBaseViewer::strafeLeft
void strafeLeft()
First person navigation: Strafe left.
Definition: QtBaseViewer.cc:2248