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::CreateViewer( TCollection_ExtendedString("Viewer3d").ToExtString() );
104 myV3dCollector = OCCViewer_VService::CreateViewer( TCollection_ExtendedString("Collector3d").ToExtString() );
105 myV3dCollector->Init();
108 myAISContext = new AIS_InteractiveContext( myV3dViewer, myV3dCollector );
110 myAISContext->SelectionColor( Quantity_NOC_WHITE );
112 // display isoline on planar faces (box for ex.)
113 myAISContext->IsoOnPlane( true );
116 double h = QApplication::desktop()->screenGeometry( QApplication::desktop()->primaryScreen() ).height() / 300. ;
117 Handle(Prs3d_Drawer) drawer = myAISContext->DefaultDrawer();
118 Handle(Prs3d_TextAspect) ta = drawer->TextAspect();
119 ta->SetHeight(100); // VSR: workaround for CAS.CADE bug (is it really needed ???)
121 drawer->SetTextAspect(ta);
122 drawer->AngleAspect()->SetTextAspect(ta);
123 drawer->LengthAspect()->SetTextAspect(ta);
126 /* create trihedron */
127 if ( DisplayTrihedron )
129 Handle(Geom_Axis2Placement) anAxis = new Geom_Axis2Placement(gp::XOY());
130 myTrihedron = new AIS_Trihedron(anAxis);
131 myTrihedron->SetInfiniteState( Standard_True );
133 Quantity_Color Col(193/255., 205/255., 193/255., Quantity_TOC_RGB);
134 //myTrihedron->SetColor( Col );
135 myTrihedron->SetArrowColor( Col.Name() );
136 myTrihedron->SetSize(100);
137 Handle(AIS_Drawer) drawer = myTrihedron->Attributes();
138 if (drawer->HasDatumAspect()) {
139 Handle(Prs3d_DatumAspect) daspect = drawer->DatumAspect();
140 daspect->FirstAxisAspect()->SetColor(Quantity_Color(1.0, 0.0, 0.0, Quantity_TOC_RGB));
141 daspect->SecondAxisAspect()->SetColor(Quantity_Color(0.0, 1.0, 0.0, Quantity_TOC_RGB));
142 daspect->ThirdAxisAspect()->SetColor(Quantity_Color(0.0, 0.0, 1.0, Quantity_TOC_RGB));
146 // set interaction style to standard
147 myInteractionStyle = 0;
149 // set zooming style to standard
153 myPreselectionEnabled = true;
156 mySelectionEnabled = true;
157 myMultiSelectionEnabled = true;
160 SUIT_ResourceMgr* resMgr = SUIT_Session::session()->resourceMgr();
162 myShowStaticTrihedron = resMgr->booleanValue( "3DViewer", "show_static_trihedron", true );
168 OCCViewer_Viewer::~OCCViewer_Viewer()
170 myAISContext.Nullify();
171 myV3dViewer.Nullify();
172 myV3dCollector.Nullify();
177 \return background color of viewer
179 QColor OCCViewer_Viewer::backgroundColor() const
181 return backgroundColor(0);
185 \return background data of viewer
187 Qtx::BackgroundData OCCViewer_Viewer::background() const
189 return background(0);
193 Sets background color [obsolete]
194 \param c - new background color
196 void OCCViewer_Viewer::setBackgroundColor( const QColor& c )
198 setBackgroundColor( 0, c );
203 \param d - new background data
205 void OCCViewer_Viewer::setBackground( const Qtx::BackgroundData& theBackground )
207 setBackground( 0, theBackground );
211 Start initialization of view window
212 \param view - view window to be initialized
214 void OCCViewer_Viewer::initView( OCCViewer_ViewWindow* view )
218 view->initSketchers();
219 view->setInteractionStyle( interactionStyle() );
220 view->setZoomingStyle( zoomingStyle() );
221 view->enablePreselection( isPreselectionEnabled() );
222 view->enableSelection( isSelectionEnabled() );
224 OCCViewer_ViewPort3d* vp3d = view->getViewPort();
227 vp3d->getView()->SetSurfaceDetail(V3d_TEX_ALL);
233 Creates new view window
234 \param theDesktop - main window of application
236 SUIT_ViewWindow* OCCViewer_Viewer::createView( SUIT_Desktop* theDesktop )
239 OCCViewer_ViewFrame* view = new OCCViewer_ViewFrame(theDesktop, this);
240 // get main view window (created by view frame)
241 OCCViewer_ViewWindow* vw = view->getView(OCCViewer_ViewFrame::MAIN_VIEW);
242 // initialize main view window
244 // set default background for view window
245 vw->setBackground( background(0) ); // 0 means MAIN_VIEW (other views are not yet created here)
246 // connect signal from viewport
247 connect(view->getViewPort(), SIGNAL(vpClosed()), this, SLOT(onViewClosed()));
248 connect(view->getViewPort(), SIGNAL(vpMapped()), this, SLOT(onViewMapped()));
253 Sets new view manager
254 \param theViewManager - new view manager
256 void OCCViewer_Viewer::setViewManager(SUIT_ViewManager* theViewManager)
258 SUIT_ViewModel::setViewManager(theViewManager);
259 if (theViewManager) {
260 connect(theViewManager, SIGNAL(mousePress(SUIT_ViewWindow*, QMouseEvent*)),
261 this, SLOT(onMousePress(SUIT_ViewWindow*, QMouseEvent*)));
263 connect(theViewManager, SIGNAL(mouseMove(SUIT_ViewWindow*, QMouseEvent*)),
264 this, SLOT(onMouseMove(SUIT_ViewWindow*, QMouseEvent*)));
266 connect(theViewManager, SIGNAL(mouseRelease(SUIT_ViewWindow*, QMouseEvent*)),
267 this, SLOT(onMouseRelease(SUIT_ViewWindow*, QMouseEvent*)));
269 connect(theViewManager, SIGNAL(keyPress(SUIT_ViewWindow*, QKeyEvent*)),
270 this, SLOT(onKeyPress(SUIT_ViewWindow*, QKeyEvent*)));
275 SLOT: called on mouse button press, stores current mouse position as start point for transformations
277 void OCCViewer_Viewer::onMousePress(SUIT_ViewWindow* theWindow, QMouseEvent* theEvent)
279 myStartPnt.setX(theEvent->x()); myStartPnt.setY(theEvent->y());
283 SLOT: called on mouse move, processes transformation or hilighting
285 void OCCViewer_Viewer::onMouseMove(SUIT_ViewWindow* theWindow, QMouseEvent* theEvent)
287 if (!mySelectionEnabled) return;
288 if (!theWindow->inherits("OCCViewer_ViewWindow")) return;
290 OCCViewer_ViewWindow* aView = (OCCViewer_ViewWindow*) theWindow;
292 myCurPnt.setX(theEvent->x()); myCurPnt.setY(theEvent->y());
294 if ( isSelectionEnabled() && isPreselectionEnabled() ) {
295 if (aView->getViewPort()->isBusy()) {
296 QCoreApplication::processEvents();
297 return; // Check that the ViewPort initialization completed
298 // To Prevent call move event if the View port is not initialized
301 Handle(V3d_View) aView3d = aView->getViewPort()->getView();
302 if ( !aView3d.IsNull() ) {
303 myAISContext->MoveTo(theEvent->x(), theEvent->y(), aView3d);
310 SLOT: called on mouse button release, finishes transformation or selection
312 void OCCViewer_Viewer::onMouseRelease(SUIT_ViewWindow* theWindow, QMouseEvent* theEvent)
314 if (!mySelectionEnabled) return;
315 if (theEvent->button() != Qt::LeftButton) return;
316 if (!theWindow->inherits("OCCViewer_ViewWindow")) return;
318 OCCViewer_ViewWindow* aView = (OCCViewer_ViewWindow*) theWindow;
322 myEndPnt.setX(theEvent->x()); myEndPnt.setY(theEvent->y());
323 bool aHasShift = (theEvent->modifiers() & Qt::ShiftModifier);
325 if (!aHasShift) emit deselection();
327 if (myStartPnt == myEndPnt)
329 if ( !isPreselectionEnabled() ) {
330 Handle(V3d_View) aView3d = aView->getViewPort()->getView();
331 if ( !aView3d.IsNull() ) {
332 myAISContext->MoveTo(myEndPnt.x(), myEndPnt.y(), aView3d);
336 if (aHasShift && myMultiSelectionEnabled)
337 myAISContext->ShiftSelect();
339 myAISContext->Select();
343 if (aHasShift && myMultiSelectionEnabled)
344 myAISContext->ShiftSelect(myStartPnt.x(), myStartPnt.y(),
345 myEndPnt.x(), myEndPnt.y(),
346 aView->getViewPort()->getView(), Standard_False );
348 myAISContext->Select(myStartPnt.x(), myStartPnt.y(),
349 myEndPnt.x(), myEndPnt.y(),
350 aView->getViewPort()->getView(), Standard_False );
352 int Nb = myAISContext->NbSelected();
353 if( Nb>1 && !myMultiSelectionEnabled )
355 myAISContext->InitSelected();
356 Handle( SelectMgr_EntityOwner ) anOwner = myAISContext->SelectedOwner();
357 if( !anOwner.IsNull() )
359 myAISContext->ClearSelected( Standard_False );
360 myAISContext->AddOrRemoveSelected( anOwner, Standard_False );
364 myAISContext->UpdateCurrentViewer();
366 emit selectionChanged();
370 SLOT: called on key press, processes selection in "key free" interaction style
372 void OCCViewer_Viewer::onKeyPress(SUIT_ViewWindow* theWindow, QKeyEvent* theEvent)
374 if (!mySelectionEnabled) return;
375 if (theEvent->key() != Qt::Key_S) return;
376 if (!theWindow->inherits("OCCViewer_ViewWindow")) return;
378 OCCViewer_ViewWindow* aView = (OCCViewer_ViewWindow*) theWindow;
379 if (!aView || aView->interactionStyle() != SUIT_ViewModel::KEY_FREE)
384 if ( !isPreselectionEnabled() ) {
385 Handle(V3d_View) aView3d = aView->getViewPort()->getView();
386 if ( !aView3d.IsNull() ) {
387 myAISContext->MoveTo(myCurPnt.x(), myCurPnt.y(), aView3d);
391 myAISContext->Select();
393 emit selectionChanged();
396 void OCCViewer_Viewer::onViewClosed()
398 Standard_Integer aViewsNb = 0;
399 for ( myV3dViewer->InitActiveViews(); myV3dViewer->MoreActiveViews(); myV3dViewer->NextActiveViews())
401 if ( aViewsNb < 2 ) {
402 //clean up presentations before last view is closed
403 myAISContext->RemoveAll(Standard_False);
407 void OCCViewer_Viewer::onViewMapped()
409 setTrihedronShown( true );
412 int OCCViewer_Viewer::getTopLayerId()
414 #if OCC_VERSION_LARGE > 0x06050200
415 if ( myTopLayerId == 0 && !myAISContext->CurrentViewer().IsNull() )
416 myAISContext->CurrentViewer()->AddZLayer( myTopLayerId );
423 \return interaction style
425 int OCCViewer_Viewer::interactionStyle() const
427 return myInteractionStyle;
431 Sets interaction style: 0 - standard, 1 - keyboard free interaction
432 \param theStyle - new interaction style
434 void OCCViewer_Viewer::setInteractionStyle( const int theStyle )
436 myInteractionStyle = theStyle;
437 //!! To be done for view windows
438 if ( !myViewManager )
441 QVector<SUIT_ViewWindow*> wins = myViewManager->getViews();
442 for ( int i = 0; i < (int)wins.count(); i++ )
444 OCCViewer_ViewWindow* win = ::qobject_cast<OCCViewer_ViewWindow*>( wins.at( i ) );
446 win->setInteractionStyle( theStyle );
451 \return zooming style
453 int OCCViewer_Viewer::zoomingStyle() const
455 return myZoomingStyle;
459 Sets zooming style: 0 - standard, 1 - advanced (at cursor)
460 \param theStyle - new zooming style
462 void OCCViewer_Viewer::setZoomingStyle( const int theStyle )
464 myZoomingStyle = theStyle;
465 //!! To be done for view windows
466 if ( !myViewManager )
469 QVector<SUIT_ViewWindow*> wins = myViewManager->getViews();
470 for ( int i = 0; i < (int)wins.count(); i++ )
472 OCCViewer_ViewWindow* win = ::qobject_cast<OCCViewer_ViewWindow*>( wins.at( i ) );
474 win->setZoomingStyle( theStyle );
479 \return true if preselection is enabled
481 bool OCCViewer_Viewer::isPreselectionEnabled() const
483 return myPreselectionEnabled;
487 Enables/disables preselection
488 \param isEnabled - new status
490 void OCCViewer_Viewer::enablePreselection(bool isEnabled)
492 myPreselectionEnabled = isEnabled;
494 if ( !myViewManager )
497 QVector<SUIT_ViewWindow*> wins = myViewManager->getViews();
498 for ( int i = 0; i < (int)wins.count(); i++ )
500 OCCViewer_ViewWindow* win = ::qobject_cast<OCCViewer_ViewWindow*>( wins.at( i ) );
502 win->enablePreselection( isEnabled );
508 \return true if selection is enabled
510 bool OCCViewer_Viewer::isSelectionEnabled() const
512 return mySelectionEnabled;
516 Enables/disables selection
517 \param isEnabled - new status
519 void OCCViewer_Viewer::enableSelection(bool isEnabled)
521 mySelectionEnabled = isEnabled;
523 //!! To be done for view windows
524 if ( !myViewManager )
527 QVector<SUIT_ViewWindow*> wins = myViewManager->getViews();
528 for ( int i = 0; i < (int)wins.count(); i++ )
530 OCCViewer_ViewWindow* win = ::qobject_cast<OCCViewer_ViewWindow*>( wins.at( i ) );
532 win->updateEnabledDrawMode();
533 win->enableSelection( isEnabled );
539 Sets multiselection enabled status
540 \param isEnabled - new status
542 void OCCViewer_Viewer::enableMultiselection(bool isEnable)
544 myMultiSelectionEnabled = isEnable;
545 //!! To be done for view windows
546 if ( !myViewManager )
549 QVector<SUIT_ViewWindow*> wins = myViewManager->getViews();
550 for ( int i = 0; i < (int)wins.count(); i++ )
552 OCCViewer_ViewWindow* win = ::qobject_cast<OCCViewer_ViewWindow*>( wins.at( i ) );
554 win->updateEnabledDrawMode();
559 Builds popup for occ viewer
561 void OCCViewer_Viewer::contextMenuPopup(QMenu* thePopup)
563 thePopup->addAction( tr( "MEN_DUMP_VIEW" ), this, SLOT( onDumpView() ) );
564 thePopup->addAction( tr( "MEN_CHANGE_BACKGROUND" ), this, SLOT( onChangeBackground() ) );
566 thePopup->addSeparator();
568 OCCViewer_ViewWindow* aView = (OCCViewer_ViewWindow*)(myViewManager->getActiveView());
570 //Support of several toolbars in the popup menu
571 QList<QToolBar*> lst = qFindChildren<QToolBar*>( aView );
572 QList<QToolBar*>::const_iterator it = lst.begin(), last = lst.end();
573 for ( ; it!=last; it++ ) {
574 if ( (*it)->parentWidget()->isVisible() )
575 thePopup->addAction( (*it)->toggleViewAction() );
580 SLOT: called on dump view operation is activated, stores scene to raster file
582 void OCCViewer_Viewer::onDumpView()
584 OCCViewer_ViewWindow* aView = (OCCViewer_ViewWindow*)(myViewManager->getActiveView());
590 SLOT: called if background color is to be changed changed, passes new color to view port
592 void OCCViewer_Viewer::onChangeBackground()
594 OCCViewer_ViewWindow* aView = dynamic_cast<OCCViewer_ViewWindow*>(myViewManager->getActiveView());
598 // get supported gradient types
599 QStringList gradList;
600 QIntList idList, txtList;
601 QString formats = backgroundData( gradList, idList, txtList );
604 Qtx::BackgroundData bgData = QtxBackgroundDialog::getBackground( aView->background(), // initial background
605 aView, // parent for dialog box
606 txtList, // allowed texture modes
607 true, // enable solid color mode
608 true, // enable gradient mode
609 false, // disable custom gradient mode
610 !txtList.isEmpty(), // enable/disable texture mode
611 gradList, // gradient names
612 idList, // gradient identifiers
613 formats ); // image formats
615 // set chosen background data to the viewer
616 if ( bgData.isValid() )
617 aView->setBackground( bgData );
621 Updates OCC 3D viewer
623 void OCCViewer_Viewer::update()
625 if (!myV3dViewer.IsNull())
626 myV3dViewer->Update();
628 OCCViewer_ViewWindow* aView = (OCCViewer_ViewWindow*)(myViewManager->getActiveView());
630 aView->updateGravityCoords();
634 \return objects selected in 3D viewer
635 \param theList - list to be filled with selected objects
637 void OCCViewer_Viewer::getSelectedObjects(AIS_ListOfInteractive& theList)
640 for (myAISContext->InitSelected(); myAISContext->MoreSelected(); myAISContext->NextSelected())
641 theList.Append(myAISContext->SelectedInteractive());
645 Selects objects in 3D viewer. Other selected objects are left as selected
646 \param theList - list objects to be selected
648 void OCCViewer_Viewer::setObjectsSelected(const AIS_ListOfInteractive& theList)
650 AIS_ListIteratorOfListOfInteractive aIt;
651 for (aIt.Initialize(theList); aIt.More(); aIt.Next())
652 myAISContext->AddOrRemoveSelected(aIt.Value(), false);
653 myAISContext->UpdateCurrentViewer();
657 Auxiliary method to emit signal selectionChanged()
659 void OCCViewer_Viewer::performSelectionChanged()
661 emit selectionChanged();
665 Hilights/unhilights object in viewer
666 \param obj - object to be updated
667 \param hilight - if it is true, object will be hilighted, otherwise it will be unhilighted
668 \param update - update current viewer
670 bool OCCViewer_Viewer::highlight( const Handle(AIS_InteractiveObject)& obj,
671 bool hilight, bool update )
673 bool isInLocal = myAISContext->HasOpenedContext();
677 if ( hilight && !myAISContext->IsSelected( obj ) )
678 myAISContext->AddOrRemoveCurrentObject( obj, false );
679 else if ( !hilight && myAISContext->IsSelected( obj ) )
680 myAISContext->AddOrRemoveCurrentObject( obj, false );
684 myV3dViewer->Redraw();
690 Unhilights all objects in viewer
691 \param updateviewer - update current viewer
693 bool OCCViewer_Viewer::unHighlightAll( bool updateviewer, bool unselect )
695 if ( myAISContext->HasOpenedContext() ) {
697 myAISContext->ClearSelected( updateviewer );
699 myAISContext->UnhilightSelected( updateviewer );
703 myAISContext->ClearCurrents( updateviewer );
705 myAISContext->UnhilightCurrents( updateviewer );
713 \return true if object is in viewer or in collector
714 \param obj - object to be checked
715 \param onlyInViewer - search object only in viewer (so object must be displayed)
717 bool OCCViewer_Viewer::isInViewer( const Handle(AIS_InteractiveObject)& obj,
720 AIS_ListOfInteractive List;
721 myAISContext->DisplayedObjects(List);
725 AIS_ListOfInteractive List1;
726 myAISContext->ObjectsInCollector(List1);
730 AIS_ListIteratorOfListOfInteractive ite(List);
731 for ( ; ite.More(); ite.Next() )
732 if( ite.Value()==obj )
739 \return true if object is displayed in viewer
740 \param obj - object to be checked
742 bool OCCViewer_Viewer::isVisible( const Handle(AIS_InteractiveObject)& obj )
744 return myAISContext->IsDisplayed( obj );
749 \param obj - object to be updated
750 \param color - new color
751 \param update - update current viewer
753 void OCCViewer_Viewer::setColor( const Handle(AIS_InteractiveObject)& obj,
759 Quantity_Color CSFColor = Quantity_Color ( color.red() / 255.,
760 color.green() / 255.,
763 obj->SetColor( CSFColor );
767 myV3dViewer->Update();
771 Changes display mode of object
772 \param obj - object to be processed
773 \param mode - new display mode
774 \param update - update current viewer
776 void OCCViewer_Viewer::switchRepresentation( const Handle(AIS_InteractiveObject)& obj,
777 int mode, bool update )
779 myAISContext->SetDisplayMode( obj, (Standard_Integer)mode, update );
781 myV3dViewer->Update();
785 Changes transparency of object
786 \param obj - object to be processed
787 \param trans - new transparency
788 \param update - update current viewer
790 void OCCViewer_Viewer::setTransparency( const Handle(AIS_InteractiveObject)& obj,
791 float trans, bool update )
793 myAISContext->SetTransparency( obj, trans, false );
794 myAISContext->Redisplay( obj, Standard_False, Standard_True );
796 myV3dViewer->Update();
800 Changes visibility of trihedron to opposite
802 void OCCViewer_Viewer::toggleTrihedron()
804 setTrihedronShown( !isTrihedronVisible() );
808 \return true if trihedron is visible
810 bool OCCViewer_Viewer::isTrihedronVisible() const
812 return !myTrihedron.IsNull() && !myAISContext.IsNull() && myAISContext->IsDisplayed( myTrihedron );
816 Sets visibility state of trihedron
817 \param on - new state
820 void OCCViewer_Viewer::setTrihedronShown( const bool on )
822 if ( myTrihedron.IsNull() )
826 myAISContext->Display( myTrihedron );
827 myAISContext->Deactivate(myTrihedron);
830 myAISContext->Erase( myTrihedron );
835 \return trihedron size
837 double OCCViewer_Viewer::trihedronSize() const
840 if ( !myTrihedron.IsNull() )
841 sz = myTrihedron->Size();
846 Changes trihedron size
849 void OCCViewer_Viewer::setTrihedronSize( const double sz, bool isRelative )
851 if ( myTrihedronSize != sz || isRelative != myIsRelative) {
852 myTrihedronSize = sz;
853 myIsRelative = isRelative;
859 Set number of isolines
860 \param u - u-isolines (first parametric co-ordinate)
861 \param v - v-isolines (second parametric co-ordinate)
863 void OCCViewer_Viewer::setIsos( const int u, const int v )
865 Handle(AIS_InteractiveContext) ic = getAISContext();
869 ic->SetIsoNumber( u, AIS_TOI_IsoU );
870 ic->SetIsoNumber( v, AIS_TOI_IsoV );
874 \return number of isolines
875 \param u - to return u-isolines (first parametric co-ordinate)
876 \param v - to return v-isolines (second parametric co-ordinate)
878 void OCCViewer_Viewer::isos( int& u, int& v ) const
880 Handle(AIS_InteractiveContext) ic = getAISContext();
883 u = ic->IsoNumber( AIS_TOI_IsoU );
884 v = ic->IsoNumber( AIS_TOI_IsoV );
889 * Returns a new OCCViewer_ViewWindow instance which will be placed as a sub window in ViewFrame
891 OCCViewer_ViewWindow* OCCViewer_Viewer::createSubWindow()
893 return new OCCViewer_ViewWindow( 0, this);
897 QColor OCCViewer_Viewer::backgroundColor( int theViewId ) const
899 return background( theViewId ).color();
902 Qtx::BackgroundData OCCViewer_Viewer::background( int theViewId ) const
904 return ( theViewId >= 0 && theViewId < myBackgrounds.count() ) ? myBackgrounds[theViewId] : Qtx::BackgroundData();
908 void OCCViewer_Viewer::setBackgroundColor( int theViewId, const QColor& theColor )
910 if ( theColor.isValid() ) {
911 Qtx::BackgroundData bg = background( theViewId );
912 bg.setColor( theColor );
913 setBackground( theViewId, bg );
917 void OCCViewer_Viewer::setBackground( int theViewId, const Qtx::BackgroundData& theBackground )
919 if ( theBackground.isValid() && theViewId >= 0 && theViewId < myBackgrounds.count() )
920 myBackgrounds[theViewId] = theBackground;
925 Set the show static trihedron flag
927 void OCCViewer_Viewer::setStaticTrihedronDisplayed(const bool on) {
928 if(myShowStaticTrihedron != on) {
929 OCCViewer_ViewWindow* aView = (OCCViewer_ViewWindow*)(myViewManager->getActiveView());
933 OCCViewer_ViewPort3d* vp3d = aView->getViewPort();
935 myShowStaticTrihedron = on;
936 vp3d->updateStaticTriedronVisibility();
942 Get new and current trihedron size corresponding to the current model size
944 bool OCCViewer_Viewer::computeTrihedronSize( double& theNewSize, double& theSize )
949 //SRN: BUG IPAL8996, a usage of method ActiveView without an initialization
950 Handle(V3d_Viewer) viewer = getViewer3d();
951 viewer->InitActiveViews();
952 if(!viewer->MoreActiveViews()) return false;
954 Handle(V3d_View) view3d = viewer->ActiveView();
957 if ( view3d.IsNull() )
960 double Xmin = 0, Ymin = 0, Zmin = 0, Xmax = 0, Ymax = 0, Zmax = 0;
963 view3d->View()->MinMaxValues( Xmin, Ymin, Zmin, Xmax, Ymax, Zmax );
965 if ( Xmin == RealFirst() || Ymin == RealFirst() || Zmin == RealFirst() ||
966 Xmax == RealLast() || Ymax == RealLast() || Zmax == RealLast() )
969 aMaxSide = Xmax - Xmin;
970 if ( aMaxSide < Ymax -Ymin ) aMaxSide = Ymax -Ymin;
971 if ( aMaxSide < Zmax -Zmin ) aMaxSide = Zmax -Zmin;
974 // The boundary box of the view may be initialized but nullified
975 // (case of infinite objects)
976 if ( aMaxSide < Precision::Confusion() )
979 float aSizeInPercents = SUIT_Session::session()->resourceMgr()->doubleValue("3DViewer","trihedron_size", 100.);
981 static float EPS = 5.0E-3;
982 theSize = getTrihedron()->Size();
983 theNewSize = aMaxSide*aSizeInPercents / 100.0;
985 return fabs( theNewSize - theSize ) > theSize * EPS ||
986 fabs( theNewSize - theSize) > theNewSize * EPS;
990 * Update the size of the trihedron
992 void OCCViewer_Viewer::updateTrihedron() {
993 if ( myTrihedron.IsNull() )
999 if(computeTrihedronSize(newSz, oldSz))
1000 myTrihedron->SetSize(newSz);
1002 } else if(myTrihedron->Size() != myTrihedronSize) {
1003 myTrihedron->SetSize(myTrihedronSize);
1008 Set number of isolines
1009 \param u - u-isolines (first parametric co-ordinate)
1010 \param v - v-isolines (second parametric co-ordinate)
1012 void OCCViewer_Viewer::setSelectionOptions( bool isPreselectionEnabled, bool isSelectionEnabled )
1014 myPreselectionEnabled = isPreselectionEnabled;
1015 mySelectionEnabled = isSelectionEnabled;