1 // Copyright (C) 2007-2013 CEA/DEN, EDF R&D, OPEN CASCADE
3 // Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
4 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
6 // This library is free software; you can redistribute it and/or
7 // modify it under the terms of the GNU Lesser General Public
8 // License as published by the Free Software Foundation; either
9 // version 2.1 of the License.
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 // Lesser General Public License for more details.
16 // You should have received a copy of the GNU Lesser General Public
17 // License along with this library; if not, write to the Free Software
18 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
23 #include "OCCViewer_ViewModel.h"
24 #include "OCCViewer_ViewWindow.h"
25 #include "OCCViewer_ViewFrame.h"
26 #include "OCCViewer_VService.h"
27 #include "OCCViewer_ViewPort3d.h"
29 #include "SUIT_ViewWindow.h"
30 #include "SUIT_ViewManager.h"
31 #include "SUIT_Desktop.h"
32 #include "SUIT_Session.h"
33 #include "SUIT_ResourceMgr.h"
35 #include "QtxActionToolMgr.h"
36 #include "QtxBackgroundTool.h"
39 #include <QApplication>
40 #include <QColorDialog>
41 #include <QFileDialog>
45 #include <QMouseEvent>
47 #include <QDesktopWidget>
49 #include <AIS_Axis.hxx>
50 #include <AIS_Drawer.hxx>
51 #include <AIS_ListOfInteractive.hxx>
52 #include <AIS_ListIteratorOfListOfInteractive.hxx>
54 #include <Geom_Axis2Placement.hxx>
55 #include <Prs3d_Drawer.hxx>
56 #include <Prs3d_DatumAspect.hxx>
57 #include <Prs3d_LineAspect.hxx>
58 #include <Prs3d_LengthAspect.hxx>
59 #include <Prs3d_AngleAspect.hxx>
60 #include <Prs3d_TextAspect.hxx>
62 #include <Visual3d_View.hxx>
64 #include <Basics_OCCTVersion.hxx>
66 // VSR: Uncomment below line to allow texture background support in OCC viewer
67 #define OCC_ENABLE_TEXTURED_BACKGROUND
70 Get data for supported background modes: gradient types, identifiers and supported image formats
72 QString OCCViewer_Viewer::backgroundData( QStringList& gradList, QIntList& idList, QIntList& txtList )
74 gradList << tr("GT_HORIZONTALGRADIENT") << tr("GT_VERTICALGRADIENT") <<
75 tr("GT_FIRSTDIAGONALGRADIENT") << tr("GT_SECONDDIAGONALGRADIENT") <<
76 tr("GT_FIRSTCORNERGRADIENT") << tr("GT_SECONDCORNERGRADIENT") <<
77 tr("GT_THIRDCORNERGRADIENT") << tr("GT_FORTHCORNERGRADIENT");
78 idList << HorizontalGradient << VerticalGradient <<
79 Diagonal1Gradient << Diagonal2Gradient <<
80 Corner1Gradient << Corner2Gradient <<
81 Corner3Gradient << Corner4Gradient;
82 #if OCC_VERSION_LARGE > 0x06050200 // enabled since OCCT 6.5.3, since in previous version this functionality is buggy
83 #ifdef OCC_ENABLE_TEXTURED_BACKGROUND
84 txtList << Qtx::CenterTexture << Qtx::TileTexture << Qtx::StretchTexture;
87 return tr("BG_IMAGE_FILES");
92 \param DisplayTrihedron - is trihedron displayed
94 OCCViewer_Viewer::OCCViewer_Viewer( bool DisplayTrihedron)
96 myBackgrounds(4, Qtx::BackgroundData( Qt::black )),
101 // init CasCade viewers
102 myV3dViewer = OCCViewer_VService::Viewer3d( "", (short*) "Viewer3d", "", 1000.,
103 V3d_XposYnegZpos, true, true );
107 myV3dCollector = OCCViewer_VService::Viewer3d( "", (short*) "Collector3d", "", 1000.,
108 V3d_XposYnegZpos, true, true );
109 myV3dCollector->Init();
112 myAISContext = new AIS_InteractiveContext( myV3dViewer, myV3dCollector);
114 myAISContext->SelectionColor( Quantity_NOC_WHITE );
116 // display isoline on planar faces (box for ex.)
117 myAISContext->IsoOnPlane( true );
119 double h = QApplication::desktop()->screenGeometry( QApplication::desktop()->primaryScreen() ).height() / 300. ;
120 Handle(Prs3d_Drawer) drawer = myAISContext->DefaultDrawer();
121 Handle(Prs3d_TextAspect) ta = drawer->TextAspect();
122 ta->SetHeight(100); // VSR: workaround for CAS.CADE bug (is it really needed ???)
124 drawer->SetTextAspect(ta);
125 drawer->AngleAspect()->SetTextAspect(ta);
126 drawer->LengthAspect()->SetTextAspect(ta);
128 /* create trihedron */
129 if( DisplayTrihedron )
131 Handle(Geom_Axis2Placement) anAxis = new Geom_Axis2Placement(gp::XOY());
132 myTrihedron = new AIS_Trihedron(anAxis);
133 myTrihedron->SetInfiniteState( Standard_True );
135 Quantity_Color Col(193/255., 205/255., 193/255., Quantity_TOC_RGB);
136 //myTrihedron->SetColor( Col );
137 myTrihedron->SetArrowColor( Col.Name() );
138 myTrihedron->SetSize(100);
139 Handle(AIS_Drawer) drawer = myTrihedron->Attributes();
140 if (drawer->HasDatumAspect()) {
141 Handle(Prs3d_DatumAspect) daspect = drawer->DatumAspect();
142 daspect->FirstAxisAspect()->SetColor(Quantity_Color(1.0, 0.0, 0.0, Quantity_TOC_RGB));
143 daspect->SecondAxisAspect()->SetColor(Quantity_Color(0.0, 1.0, 0.0, Quantity_TOC_RGB));
144 daspect->ThirdAxisAspect()->SetColor(Quantity_Color(0.0, 0.0, 1.0, Quantity_TOC_RGB));
147 myAISContext->Display(myTrihedron);
148 myAISContext->Deactivate(myTrihedron);
151 // set interaction style to standard
152 myInteractionStyle = 0;
154 // set zooming style to standard
158 myPreselectionEnabled = true;
161 mySelectionEnabled = true;
162 myMultiSelectionEnabled = true;
165 SUIT_ResourceMgr* resMgr = SUIT_Session::session()->resourceMgr();
167 myShowStaticTrihedron = resMgr->booleanValue( "3DViewer", "show_static_trihedron", true );
173 OCCViewer_Viewer::~OCCViewer_Viewer()
175 myAISContext.Nullify();
176 myV3dViewer.Nullify();
177 myV3dCollector.Nullify();
182 \return background color of viewer
184 QColor OCCViewer_Viewer::backgroundColor() const
186 return backgroundColor(0);
190 \return background data of viewer
192 Qtx::BackgroundData OCCViewer_Viewer::background() const
194 return background(0);
198 Sets background color [obsolete]
199 \param c - new background color
201 void OCCViewer_Viewer::setBackgroundColor( const QColor& c )
203 setBackgroundColor( 0, c );
208 \param d - new background data
210 void OCCViewer_Viewer::setBackground( const Qtx::BackgroundData& theBackground )
212 setBackground( 0, theBackground );
216 Start initialization of view window
217 \param view - view window to be initialized
219 void OCCViewer_Viewer::initView( OCCViewer_ViewWindow* view )
223 view->initSketchers();
224 view->setInteractionStyle( interactionStyle() );
225 view->setZoomingStyle( zoomingStyle() );
226 view->enablePreselection( isPreselectionEnabled() );
227 view->enableSelection( isSelectionEnabled() );
229 OCCViewer_ViewPort3d* vp3d = view->getViewPort();
232 vp3d->getView()->SetSurfaceDetail(V3d_TEX_ALL);
238 Creates new view window
239 \param theDesktop - main window of application
241 SUIT_ViewWindow* OCCViewer_Viewer::createView( SUIT_Desktop* theDesktop )
244 OCCViewer_ViewFrame* view = new OCCViewer_ViewFrame(theDesktop, this);
245 // get main view window (created by view frame)
246 OCCViewer_ViewWindow* vw = view->getView(OCCViewer_ViewFrame::MAIN_VIEW);
247 // initialize main view window
249 // set default background for view window
250 vw->setBackground( background(0) ); // 0 means MAIN_VIEW (other views are not yet created here)
251 // connect signal from viewport
252 connect(view->getViewPort(), SIGNAL(vpClosed()), this, SLOT(onViewClosed()));
257 Sets new view manager
258 \param theViewManager - new view manager
260 void OCCViewer_Viewer::setViewManager(SUIT_ViewManager* theViewManager)
262 SUIT_ViewModel::setViewManager(theViewManager);
263 if (theViewManager) {
264 connect(theViewManager, SIGNAL(mousePress(SUIT_ViewWindow*, QMouseEvent*)),
265 this, SLOT(onMousePress(SUIT_ViewWindow*, QMouseEvent*)));
267 connect(theViewManager, SIGNAL(mouseMove(SUIT_ViewWindow*, QMouseEvent*)),
268 this, SLOT(onMouseMove(SUIT_ViewWindow*, QMouseEvent*)));
270 connect(theViewManager, SIGNAL(mouseRelease(SUIT_ViewWindow*, QMouseEvent*)),
271 this, SLOT(onMouseRelease(SUIT_ViewWindow*, QMouseEvent*)));
273 connect(theViewManager, SIGNAL(keyPress(SUIT_ViewWindow*, QKeyEvent*)),
274 this, SLOT(onKeyPress(SUIT_ViewWindow*, QKeyEvent*)));
279 SLOT: called on mouse button press, stores current mouse position as start point for transformations
281 void OCCViewer_Viewer::onMousePress(SUIT_ViewWindow* theWindow, QMouseEvent* theEvent)
283 myStartPnt.setX(theEvent->x()); myStartPnt.setY(theEvent->y());
287 SLOT: called on mouse move, processes transformation or hilighting
289 void OCCViewer_Viewer::onMouseMove(SUIT_ViewWindow* theWindow, QMouseEvent* theEvent)
291 if (!mySelectionEnabled) return;
292 if (!theWindow->inherits("OCCViewer_ViewWindow")) return;
294 OCCViewer_ViewWindow* aView = (OCCViewer_ViewWindow*) theWindow;
296 myCurPnt.setX(theEvent->x()); myCurPnt.setY(theEvent->y());
298 if ( isSelectionEnabled() && isPreselectionEnabled() ) {
299 if (aView->getViewPort()->isBusy()) {
300 QCoreApplication::processEvents();
301 return; // Check that the ViewPort initialization completed
302 // To Prevent call move event if the View port is not initialized
305 Handle(V3d_View) aView3d = aView->getViewPort()->getView();
306 if ( !aView3d.IsNull() ) {
307 myAISContext->MoveTo(theEvent->x(), theEvent->y(), aView3d);
314 SLOT: called on mouse button release, finishes transformation or selection
316 void OCCViewer_Viewer::onMouseRelease(SUIT_ViewWindow* theWindow, QMouseEvent* theEvent)
318 if (!mySelectionEnabled) return;
319 if (theEvent->button() != Qt::LeftButton) return;
320 if (!theWindow->inherits("OCCViewer_ViewWindow")) return;
322 OCCViewer_ViewWindow* aView = (OCCViewer_ViewWindow*) theWindow;
326 myEndPnt.setX(theEvent->x()); myEndPnt.setY(theEvent->y());
327 bool aHasShift = (theEvent->modifiers() & Qt::ShiftModifier);
329 if (!aHasShift) emit deselection();
331 if (myStartPnt == myEndPnt)
333 if ( !isPreselectionEnabled() ) {
334 Handle(V3d_View) aView3d = aView->getViewPort()->getView();
335 if ( !aView3d.IsNull() ) {
336 myAISContext->MoveTo(myEndPnt.x(), myEndPnt.y(), aView3d);
340 if (aHasShift && myMultiSelectionEnabled)
341 myAISContext->ShiftSelect();
343 myAISContext->Select();
347 if (aHasShift && myMultiSelectionEnabled)
348 myAISContext->ShiftSelect(myStartPnt.x(), myStartPnt.y(),
349 myEndPnt.x(), myEndPnt.y(),
350 aView->getViewPort()->getView(), Standard_False );
352 myAISContext->Select(myStartPnt.x(), myStartPnt.y(),
353 myEndPnt.x(), myEndPnt.y(),
354 aView->getViewPort()->getView(), Standard_False );
356 int Nb = myAISContext->NbSelected();
357 if( Nb>1 && !myMultiSelectionEnabled )
359 myAISContext->InitSelected();
360 Handle( SelectMgr_EntityOwner ) anOwner = myAISContext->SelectedOwner();
361 if( !anOwner.IsNull() )
363 myAISContext->ClearSelected( Standard_False );
364 myAISContext->AddOrRemoveSelected( anOwner, Standard_False );
368 myAISContext->UpdateCurrentViewer();
370 emit selectionChanged();
374 SLOT: called on key press, processes selection in "key free" interaction style
376 void OCCViewer_Viewer::onKeyPress(SUIT_ViewWindow* theWindow, QKeyEvent* theEvent)
378 if (!mySelectionEnabled) return;
379 if (theEvent->key() != Qt::Key_S) return;
380 if (!theWindow->inherits("OCCViewer_ViewWindow")) return;
382 OCCViewer_ViewWindow* aView = (OCCViewer_ViewWindow*) theWindow;
383 if (!aView || aView->interactionStyle() != SUIT_ViewModel::KEY_FREE)
388 if ( !isPreselectionEnabled() ) {
389 Handle(V3d_View) aView3d = aView->getViewPort()->getView();
390 if ( !aView3d.IsNull() ) {
391 myAISContext->MoveTo(myCurPnt.x(), myCurPnt.y(), aView3d);
395 myAISContext->Select();
397 emit selectionChanged();
400 void OCCViewer_Viewer::onViewClosed()
402 Standard_Integer aViewsNb = 0;
403 for ( myV3dViewer->InitActiveViews(); myV3dViewer->MoreActiveViews(); myV3dViewer->NextActiveViews())
405 if ( aViewsNb < 2 ) {
406 //clean up presentations before last view is closed
407 myAISContext->RemoveAll(Standard_False);
411 int OCCViewer_Viewer::getTopLayerId()
413 #if OCC_VERSION_LARGE > 0x06050200
414 if ( myTopLayerId == 0 && !myAISContext->CurrentViewer().IsNull() )
415 myAISContext->CurrentViewer()->AddZLayer( myTopLayerId );
422 \return interaction style
424 int OCCViewer_Viewer::interactionStyle() const
426 return myInteractionStyle;
430 Sets interaction style: 0 - standard, 1 - keyboard free interaction
431 \param theStyle - new interaction style
433 void OCCViewer_Viewer::setInteractionStyle( const int theStyle )
435 myInteractionStyle = theStyle;
436 //!! To be done for view windows
437 if ( !myViewManager )
440 QVector<SUIT_ViewWindow*> wins = myViewManager->getViews();
441 for ( int i = 0; i < (int)wins.count(); i++ )
443 OCCViewer_ViewWindow* win = ::qobject_cast<OCCViewer_ViewWindow*>( wins.at( i ) );
445 win->setInteractionStyle( theStyle );
450 \return zooming style
452 int OCCViewer_Viewer::zoomingStyle() const
454 return myZoomingStyle;
458 Sets zooming style: 0 - standard, 1 - advanced (at cursor)
459 \param theStyle - new zooming style
461 void OCCViewer_Viewer::setZoomingStyle( const int theStyle )
463 myZoomingStyle = theStyle;
464 //!! To be done for view windows
465 if ( !myViewManager )
468 QVector<SUIT_ViewWindow*> wins = myViewManager->getViews();
469 for ( int i = 0; i < (int)wins.count(); i++ )
471 OCCViewer_ViewWindow* win = ::qobject_cast<OCCViewer_ViewWindow*>( wins.at( i ) );
473 win->setZoomingStyle( theStyle );
478 \return true if preselection is enabled
480 bool OCCViewer_Viewer::isPreselectionEnabled() const
482 return myPreselectionEnabled;
486 Enables/disables preselection
487 \param isEnabled - new status
489 void OCCViewer_Viewer::enablePreselection(bool isEnabled)
491 myPreselectionEnabled = isEnabled;
493 if ( !myViewManager )
496 QVector<SUIT_ViewWindow*> wins = myViewManager->getViews();
497 for ( int i = 0; i < (int)wins.count(); i++ )
499 OCCViewer_ViewWindow* win = ::qobject_cast<OCCViewer_ViewWindow*>( wins.at( i ) );
501 win->enablePreselection( isEnabled );
507 \return true if selection is enabled
509 bool OCCViewer_Viewer::isSelectionEnabled() const
511 return mySelectionEnabled;
515 Enables/disables selection
516 \param isEnabled - new status
518 void OCCViewer_Viewer::enableSelection(bool isEnabled)
520 mySelectionEnabled = isEnabled;
522 //!! To be done for view windows
523 if ( !myViewManager )
526 QVector<SUIT_ViewWindow*> wins = myViewManager->getViews();
527 for ( int i = 0; i < (int)wins.count(); i++ )
529 OCCViewer_ViewWindow* win = ::qobject_cast<OCCViewer_ViewWindow*>( wins.at( i ) );
531 win->updateEnabledDrawMode();
532 win->enableSelection( isEnabled );
538 Sets multiselection enabled status
539 \param isEnabled - new status
541 void OCCViewer_Viewer::enableMultiselection(bool isEnable)
543 myMultiSelectionEnabled = isEnable;
544 //!! To be done for view windows
545 if ( !myViewManager )
548 QVector<SUIT_ViewWindow*> wins = myViewManager->getViews();
549 for ( int i = 0; i < (int)wins.count(); i++ )
551 OCCViewer_ViewWindow* win = ::qobject_cast<OCCViewer_ViewWindow*>( wins.at( i ) );
553 win->updateEnabledDrawMode();
558 Builds popup for occ viewer
560 void OCCViewer_Viewer::contextMenuPopup(QMenu* thePopup)
562 thePopup->addAction( tr( "MEN_DUMP_VIEW" ), this, SLOT( onDumpView() ) );
563 thePopup->addAction( tr( "MEN_CHANGE_BACKGROUND" ), this, SLOT( onChangeBackground() ) );
565 thePopup->addSeparator();
567 OCCViewer_ViewWindow* aView = (OCCViewer_ViewWindow*)(myViewManager->getActiveView());
569 //Support of several toolbars in the popup menu
570 QList<QToolBar*> lst = qFindChildren<QToolBar*>( aView );
571 QList<QToolBar*>::const_iterator it = lst.begin(), last = lst.end();
572 for ( ; it!=last; it++ ) {
573 if ( (*it)->parentWidget()->isVisible() )
574 thePopup->addAction( (*it)->toggleViewAction() );
579 SLOT: called on dump view operation is activated, stores scene to raster file
581 void OCCViewer_Viewer::onDumpView()
583 OCCViewer_ViewWindow* aView = (OCCViewer_ViewWindow*)(myViewManager->getActiveView());
589 SLOT: called if background color is to be changed changed, passes new color to view port
591 void OCCViewer_Viewer::onChangeBackground()
593 OCCViewer_ViewWindow* aView = dynamic_cast<OCCViewer_ViewWindow*>(myViewManager->getActiveView());
597 // get supported gradient types
598 QStringList gradList;
599 QIntList idList, txtList;
600 QString formats = backgroundData( gradList, idList, txtList );
603 Qtx::BackgroundData bgData = QtxBackgroundDialog::getBackground( aView->background(), // initial background
604 aView, // parent for dialog box
605 txtList, // allowed texture modes
606 true, // enable solid color mode
607 true, // enable gradient mode
608 false, // disable custom gradient mode
609 !txtList.isEmpty(), // enable/disable texture mode
610 gradList, // gradient names
611 idList, // gradient identifiers
612 formats ); // image formats
614 // set chosen background data to the viewer
615 if ( bgData.isValid() )
616 aView->setBackground( bgData );
620 Updates OCC 3D viewer
622 void OCCViewer_Viewer::update()
624 if (!myV3dViewer.IsNull())
625 myV3dViewer->Update();
627 OCCViewer_ViewWindow* aView = (OCCViewer_ViewWindow*)(myViewManager->getActiveView());
629 aView->updateGravityCoords();
633 \return objects selected in 3D viewer
634 \param theList - list to be filled with selected objects
636 void OCCViewer_Viewer::getSelectedObjects(AIS_ListOfInteractive& theList)
639 for (myAISContext->InitSelected(); myAISContext->MoreSelected(); myAISContext->NextSelected())
640 theList.Append(myAISContext->SelectedInteractive());
644 Selects objects in 3D viewer. Other selected objects are left as selected
645 \param theList - list objects to be selected
647 void OCCViewer_Viewer::setObjectsSelected(const AIS_ListOfInteractive& theList)
649 AIS_ListIteratorOfListOfInteractive aIt;
650 for (aIt.Initialize(theList); aIt.More(); aIt.Next())
651 myAISContext->AddOrRemoveSelected(aIt.Value(), false);
652 myAISContext->UpdateCurrentViewer();
656 Auxiliary method to emit signal selectionChanged()
658 void OCCViewer_Viewer::performSelectionChanged()
660 emit selectionChanged();
664 Hilights/unhilights object in viewer
665 \param obj - object to be updated
666 \param hilight - if it is true, object will be hilighted, otherwise it will be unhilighted
667 \param update - update current viewer
669 bool OCCViewer_Viewer::highlight( const Handle(AIS_InteractiveObject)& obj,
670 bool hilight, bool update )
672 bool isInLocal = myAISContext->HasOpenedContext();
676 if ( hilight && !myAISContext->IsSelected( obj ) )
677 myAISContext->AddOrRemoveCurrentObject( obj, false );
678 else if ( !hilight && myAISContext->IsSelected( obj ) )
679 myAISContext->AddOrRemoveCurrentObject( obj, false );
683 myV3dViewer->Redraw();
689 Unhilights all objects in viewer
690 \param updateviewer - update current viewer
692 bool OCCViewer_Viewer::unHighlightAll( bool updateviewer, bool unselect )
694 if ( myAISContext->HasOpenedContext() ) {
696 myAISContext->ClearSelected( updateviewer );
698 myAISContext->UnhilightSelected( updateviewer );
702 myAISContext->ClearCurrents( updateviewer );
704 myAISContext->UnhilightCurrents( updateviewer );
712 \return true if object is in viewer or in collector
713 \param obj - object to be checked
714 \param onlyInViewer - search object only in viewer (so object must be displayed)
716 bool OCCViewer_Viewer::isInViewer( const Handle(AIS_InteractiveObject)& obj,
719 AIS_ListOfInteractive List;
720 myAISContext->DisplayedObjects(List);
724 AIS_ListOfInteractive List1;
725 myAISContext->ObjectsInCollector(List1);
729 AIS_ListIteratorOfListOfInteractive ite(List);
730 for ( ; ite.More(); ite.Next() )
731 if( ite.Value()==obj )
738 \return true if object is displayed in viewer
739 \param obj - object to be checked
741 bool OCCViewer_Viewer::isVisible( const Handle(AIS_InteractiveObject)& obj )
743 return myAISContext->IsDisplayed( obj );
748 \param obj - object to be updated
749 \param color - new color
750 \param update - update current viewer
752 void OCCViewer_Viewer::setColor( const Handle(AIS_InteractiveObject)& obj,
758 Quantity_Color CSFColor = Quantity_Color ( color.red() / 255.,
759 color.green() / 255.,
762 obj->SetColor( CSFColor );
766 myV3dViewer->Update();
770 Changes display mode of object
771 \param obj - object to be processed
772 \param mode - new display mode
773 \param update - update current viewer
775 void OCCViewer_Viewer::switchRepresentation( const Handle(AIS_InteractiveObject)& obj,
776 int mode, bool update )
778 myAISContext->SetDisplayMode( obj, (Standard_Integer)mode, update );
780 myV3dViewer->Update();
784 Changes transparency of object
785 \param obj - object to be processed
786 \param trans - new transparency
787 \param update - update current viewer
789 void OCCViewer_Viewer::setTransparency( const Handle(AIS_InteractiveObject)& obj,
790 float trans, bool update )
792 myAISContext->SetTransparency( obj, trans, false );
793 myAISContext->Redisplay( obj, Standard_False, Standard_True );
795 myV3dViewer->Update();
799 Changes visibility of trihedron to opposite
801 void OCCViewer_Viewer::toggleTrihedron()
803 setTrihedronShown( !isTrihedronVisible() );
807 \return true if trihedron is visible
809 bool OCCViewer_Viewer::isTrihedronVisible() const
811 return !myTrihedron.IsNull() && !myAISContext.IsNull() && myAISContext->IsDisplayed( myTrihedron );
815 Sets visibility state of trihedron
816 \param on - new state
819 void OCCViewer_Viewer::setTrihedronShown( const bool on )
821 if ( myTrihedron.IsNull() )
825 myAISContext->Display( myTrihedron );
827 myAISContext->Erase( myTrihedron );
831 \return trihedron size
833 double OCCViewer_Viewer::trihedronSize() const
836 if ( !myTrihedron.IsNull() )
837 sz = myTrihedron->Size();
842 Changes trihedron size
845 void OCCViewer_Viewer::setTrihedronSize( const double sz, bool isRelative )
847 if ( myTrihedronSize != sz || isRelative != myIsRelative) {
848 myTrihedronSize = sz;
849 myIsRelative = isRelative;
855 Set number of isolines
856 \param u - u-isolines (first parametric co-ordinate)
857 \param v - v-isolines (second parametric co-ordinate)
859 void OCCViewer_Viewer::setIsos( const int u, const int v )
861 Handle(AIS_InteractiveContext) ic = getAISContext();
865 ic->SetIsoNumber( u, AIS_TOI_IsoU );
866 ic->SetIsoNumber( v, AIS_TOI_IsoV );
870 \return number of isolines
871 \param u - to return u-isolines (first parametric co-ordinate)
872 \param v - to return v-isolines (second parametric co-ordinate)
874 void OCCViewer_Viewer::isos( int& u, int& v ) const
876 Handle(AIS_InteractiveContext) ic = getAISContext();
879 u = ic->IsoNumber( AIS_TOI_IsoU );
880 v = ic->IsoNumber( AIS_TOI_IsoV );
885 * Returns a new OCCViewer_ViewWindow instance which will be placed as a sub window in ViewFrame
887 OCCViewer_ViewWindow* OCCViewer_Viewer::createSubWindow()
889 return new OCCViewer_ViewWindow( 0, this);
893 QColor OCCViewer_Viewer::backgroundColor( int theViewId ) const
895 return background( theViewId ).color();
898 Qtx::BackgroundData OCCViewer_Viewer::background( int theViewId ) const
900 return ( theViewId >= 0 && theViewId < myBackgrounds.count() ) ? myBackgrounds[theViewId] : Qtx::BackgroundData();
904 void OCCViewer_Viewer::setBackgroundColor( int theViewId, const QColor& theColor )
906 if ( theColor.isValid() ) {
907 Qtx::BackgroundData bg = background( theViewId );
908 bg.setColor( theColor );
909 setBackground( theViewId, bg );
913 void OCCViewer_Viewer::setBackground( int theViewId, const Qtx::BackgroundData& theBackground )
915 if ( theBackground.isValid() && theViewId >= 0 && theViewId < myBackgrounds.count() )
916 myBackgrounds[theViewId] = theBackground;
921 Set the show static trihedron flag
923 void OCCViewer_Viewer::setStaticTrihedronDisplayed(const bool on) {
924 if(myShowStaticTrihedron != on) {
925 OCCViewer_ViewWindow* aView = (OCCViewer_ViewWindow*)(myViewManager->getActiveView());
929 OCCViewer_ViewPort3d* vp3d = aView->getViewPort();
931 myShowStaticTrihedron = on;
932 vp3d->updateStaticTriedronVisibility();
938 Get new and current trihedron size corresponding to the current model size
940 bool OCCViewer_Viewer::computeTrihedronSize( double& theNewSize, double& theSize )
945 //SRN: BUG IPAL8996, a usage of method ActiveView without an initialization
946 Handle(V3d_Viewer) viewer = getViewer3d();
947 viewer->InitActiveViews();
948 if(!viewer->MoreActiveViews()) return false;
950 Handle(V3d_View) view3d = viewer->ActiveView();
953 if ( view3d.IsNull() )
956 double Xmin = 0, Ymin = 0, Zmin = 0, Xmax = 0, Ymax = 0, Zmax = 0;
959 view3d->View()->MinMaxValues( Xmin, Ymin, Zmin, Xmax, Ymax, Zmax );
961 if ( Xmin == RealFirst() || Ymin == RealFirst() || Zmin == RealFirst() ||
962 Xmax == RealLast() || Ymax == RealLast() || Zmax == RealLast() )
965 aMaxSide = Xmax - Xmin;
966 if ( aMaxSide < Ymax -Ymin ) aMaxSide = Ymax -Ymin;
967 if ( aMaxSide < Zmax -Zmin ) aMaxSide = Zmax -Zmin;
970 // The boundary box of the view may be initialized but nullified
971 // (case of infinite objects)
972 if ( aMaxSide < Precision::Confusion() )
975 float aSizeInPercents = SUIT_Session::session()->resourceMgr()->doubleValue("3DViewer","trihedron_size", 100.);
977 static float EPS = 5.0E-3;
978 theSize = getTrihedron()->Size();
979 theNewSize = aMaxSide*aSizeInPercents / 100.0;
981 return fabs( theNewSize - theSize ) > theSize * EPS ||
982 fabs( theNewSize - theSize) > theNewSize * EPS;
986 * Update the size of the trihedron
988 void OCCViewer_Viewer::updateTrihedron() {
992 if(computeTrihedronSize(newSz, oldSz))
993 myTrihedron->SetSize(newSz);
995 } else if(myTrihedron->Size() != myTrihedronSize) {
996 myTrihedron->SetSize(myTrihedronSize);
1001 Set number of isolines
1002 \param u - u-isolines (first parametric co-ordinate)
1003 \param v - v-isolines (second parametric co-ordinate)
1005 void OCCViewer_Viewer::setSelectionOptions( bool isPreselectionEnabled, bool isSelectionEnabled )
1007 myPreselectionEnabled = isPreselectionEnabled;
1008 mySelectionEnabled = isSelectionEnabled;