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 mySelectionEnabled = true;
159 myMultiSelectionEnabled = true;
162 SUIT_ResourceMgr* resMgr = SUIT_Session::session()->resourceMgr();
164 myShowStaticTrihedron = resMgr->booleanValue( "3DViewer", "show_static_trihedron", true );
170 OCCViewer_Viewer::~OCCViewer_Viewer()
172 myAISContext.Nullify();
173 myV3dViewer.Nullify();
174 myV3dCollector.Nullify();
179 \return background color of viewer
181 QColor OCCViewer_Viewer::backgroundColor() const
183 return backgroundColor(0);
187 \return background data of viewer
189 Qtx::BackgroundData OCCViewer_Viewer::background() const
191 return background(0);
195 Sets background color [obsolete]
196 \param c - new background color
198 void OCCViewer_Viewer::setBackgroundColor( const QColor& c )
200 setBackgroundColor( 0, c );
205 \param d - new background data
207 void OCCViewer_Viewer::setBackground( const Qtx::BackgroundData& theBackground )
209 setBackground( 0, theBackground );
213 Start initialization of view window
214 \param view - view window to be initialized
216 void OCCViewer_Viewer::initView( OCCViewer_ViewWindow* view )
220 view->initSketchers();
221 view->setInteractionStyle( interactionStyle() );
222 view->setZoomingStyle( zoomingStyle() );
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()));
252 Sets new view manager
253 \param theViewManager - new view manager
255 void OCCViewer_Viewer::setViewManager(SUIT_ViewManager* theViewManager)
257 SUIT_ViewModel::setViewManager(theViewManager);
258 if (theViewManager) {
259 connect(theViewManager, SIGNAL(mousePress(SUIT_ViewWindow*, QMouseEvent*)),
260 this, SLOT(onMousePress(SUIT_ViewWindow*, QMouseEvent*)));
262 connect(theViewManager, SIGNAL(mouseMove(SUIT_ViewWindow*, QMouseEvent*)),
263 this, SLOT(onMouseMove(SUIT_ViewWindow*, QMouseEvent*)));
265 connect(theViewManager, SIGNAL(mouseRelease(SUIT_ViewWindow*, QMouseEvent*)),
266 this, SLOT(onMouseRelease(SUIT_ViewWindow*, QMouseEvent*)));
268 connect(theViewManager, SIGNAL(keyPress(SUIT_ViewWindow*, QKeyEvent*)),
269 this, SLOT(onKeyPress(SUIT_ViewWindow*, QKeyEvent*)));
274 SLOT: called on mouse button press, stores current mouse position as start point for transformations
276 void OCCViewer_Viewer::onMousePress(SUIT_ViewWindow* theWindow, QMouseEvent* theEvent)
278 myStartPnt.setX(theEvent->x()); myStartPnt.setY(theEvent->y());
282 SLOT: called on mouse move, processes transformation or hilighting
284 void OCCViewer_Viewer::onMouseMove(SUIT_ViewWindow* theWindow, QMouseEvent* theEvent)
286 if (!mySelectionEnabled) return;
287 if (!theWindow->inherits("OCCViewer_ViewWindow")) return;
289 OCCViewer_ViewWindow* aView = (OCCViewer_ViewWindow*) theWindow;
291 if ( isSelectionEnabled() ) {
292 if (aView->getViewPort()->isBusy()) {
293 QCoreApplication::processEvents();
294 return; // Check that the ViewPort initialization completed
295 // To Prevent call move event if the View port is not initialized
298 Handle(V3d_View) aView3d = aView->getViewPort()->getView();
299 if ( !aView3d.IsNull() ) {
300 myAISContext->MoveTo(theEvent->x(), theEvent->y(), aView3d);
307 SLOT: called on mouse button release, finishes transformation or selection
309 void OCCViewer_Viewer::onMouseRelease(SUIT_ViewWindow* theWindow, QMouseEvent* theEvent)
311 if (!mySelectionEnabled) return;
312 if (theEvent->button() != Qt::LeftButton) return;
313 if (!theWindow->inherits("OCCViewer_ViewWindow")) return;
315 OCCViewer_ViewWindow* aView = (OCCViewer_ViewWindow*) theWindow;
319 myEndPnt.setX(theEvent->x()); myEndPnt.setY(theEvent->y());
320 bool aHasShift = (theEvent->modifiers() & Qt::ShiftModifier);
322 if (!aHasShift) emit deselection();
324 if (myStartPnt == myEndPnt)
326 if (aHasShift && myMultiSelectionEnabled)
327 myAISContext->ShiftSelect();
329 myAISContext->Select();
333 if (aHasShift && myMultiSelectionEnabled)
334 myAISContext->ShiftSelect(myStartPnt.x(), myStartPnt.y(),
335 myEndPnt.x(), myEndPnt.y(),
336 aView->getViewPort()->getView(), Standard_False );
338 myAISContext->Select(myStartPnt.x(), myStartPnt.y(),
339 myEndPnt.x(), myEndPnt.y(),
340 aView->getViewPort()->getView(), Standard_False );
342 int Nb = myAISContext->NbSelected();
343 if( Nb>1 && !myMultiSelectionEnabled )
345 myAISContext->InitSelected();
346 Handle( SelectMgr_EntityOwner ) anOwner = myAISContext->SelectedOwner();
347 if( !anOwner.IsNull() )
349 myAISContext->ClearSelected( Standard_False );
350 myAISContext->AddOrRemoveSelected( anOwner, Standard_False );
354 myAISContext->UpdateCurrentViewer();
356 emit selectionChanged();
360 SLOT: called on key press, processes selection in "key free" interaction style
362 void OCCViewer_Viewer::onKeyPress(SUIT_ViewWindow* theWindow, QKeyEvent* theEvent)
364 if (!mySelectionEnabled) return;
365 if (theEvent->key() != Qt::Key_S) return;
366 if (!theWindow->inherits("OCCViewer_ViewWindow")) return;
368 OCCViewer_ViewWindow* aView = (OCCViewer_ViewWindow*) theWindow;
369 if (!aView || aView->interactionStyle() != SUIT_ViewModel::KEY_FREE)
373 myAISContext->Select();
375 emit selectionChanged();
378 void OCCViewer_Viewer::onViewClosed()
380 Standard_Integer aViewsNb = 0;
381 for ( myV3dViewer->InitActiveViews(); myV3dViewer->MoreActiveViews(); myV3dViewer->NextActiveViews())
383 if ( aViewsNb < 2 ) {
384 //clean up presentations before last view is closed
385 myAISContext->RemoveAll(Standard_False);
389 int OCCViewer_Viewer::getTopLayerId()
391 #if OCC_VERSION_LARGE > 0x06050200
392 if ( myTopLayerId == 0 && !myAISContext->CurrentViewer().IsNull() )
393 myAISContext->CurrentViewer()->AddZLayer( myTopLayerId );
400 \return interaction style
402 int OCCViewer_Viewer::interactionStyle() const
404 return myInteractionStyle;
408 Sets interaction style: 0 - standard, 1 - keyboard free interaction
409 \param theStyle - new interaction style
411 void OCCViewer_Viewer::setInteractionStyle( const int theStyle )
413 myInteractionStyle = theStyle;
414 //!! To be done for view windows
415 if ( !myViewManager )
418 QVector<SUIT_ViewWindow*> wins = myViewManager->getViews();
419 for ( int i = 0; i < (int)wins.count(); i++ )
421 OCCViewer_ViewWindow* win = ::qobject_cast<OCCViewer_ViewWindow*>( wins.at( i ) );
423 win->setInteractionStyle( theStyle );
428 \return zooming style
430 int OCCViewer_Viewer::zoomingStyle() const
432 return myZoomingStyle;
436 Sets zooming style: 0 - standard, 1 - advanced (at cursor)
437 \param theStyle - new zooming style
439 void OCCViewer_Viewer::setZoomingStyle( const int theStyle )
441 myZoomingStyle = theStyle;
442 //!! To be done for view windows
443 if ( !myViewManager )
446 QVector<SUIT_ViewWindow*> wins = myViewManager->getViews();
447 for ( int i = 0; i < (int)wins.count(); i++ )
449 OCCViewer_ViewWindow* win = ::qobject_cast<OCCViewer_ViewWindow*>( wins.at( i ) );
451 win->setZoomingStyle( theStyle );
456 Sets selection enabled status
457 \param isEnabled - new status
459 void OCCViewer_Viewer::enableSelection(bool isEnabled)
461 mySelectionEnabled = isEnabled;
462 //!! To be done for view windows
463 if ( !myViewManager )
466 QVector<SUIT_ViewWindow*> wins = myViewManager->getViews();
467 for ( int i = 0; i < (int)wins.count(); i++ )
469 OCCViewer_ViewWindow* win = ::qobject_cast<OCCViewer_ViewWindow*>( wins.at( i ) );
471 win->updateEnabledDrawMode();
476 Sets multiselection enabled status
477 \param isEnabled - new status
479 void OCCViewer_Viewer::enableMultiselection(bool isEnable)
481 myMultiSelectionEnabled = isEnable;
482 //!! To be done for view windows
483 if ( !myViewManager )
486 QVector<SUIT_ViewWindow*> wins = myViewManager->getViews();
487 for ( int i = 0; i < (int)wins.count(); i++ )
489 OCCViewer_ViewWindow* win = ::qobject_cast<OCCViewer_ViewWindow*>( wins.at( i ) );
491 win->updateEnabledDrawMode();
496 Builds popup for occ viewer
498 void OCCViewer_Viewer::contextMenuPopup(QMenu* thePopup)
500 thePopup->addAction( tr( "MEN_DUMP_VIEW" ), this, SLOT( onDumpView() ) );
501 thePopup->addAction( tr( "MEN_CHANGE_BACKGROUND" ), this, SLOT( onChangeBackground() ) );
503 thePopup->addSeparator();
505 OCCViewer_ViewWindow* aView = (OCCViewer_ViewWindow*)(myViewManager->getActiveView());
507 //Support of several toolbars in the popup menu
508 QList<QToolBar*> lst = qFindChildren<QToolBar*>( aView );
509 QList<QToolBar*>::const_iterator it = lst.begin(), last = lst.end();
510 for ( ; it!=last; it++ ) {
511 if ( (*it)->parentWidget()->isVisible() )
512 thePopup->addAction( (*it)->toggleViewAction() );
517 SLOT: called on dump view operation is activated, stores scene to raster file
519 void OCCViewer_Viewer::onDumpView()
521 OCCViewer_ViewWindow* aView = (OCCViewer_ViewWindow*)(myViewManager->getActiveView());
527 SLOT: called if background color is to be changed changed, passes new color to view port
529 void OCCViewer_Viewer::onChangeBackground()
531 OCCViewer_ViewWindow* aView = dynamic_cast<OCCViewer_ViewWindow*>(myViewManager->getActiveView());
535 // get supported gradient types
536 QStringList gradList;
537 QIntList idList, txtList;
538 QString formats = backgroundData( gradList, idList, txtList );
541 Qtx::BackgroundData bgData = QtxBackgroundDialog::getBackground( aView->background(), // initial background
542 aView, // parent for dialog box
543 txtList, // allowed texture modes
544 true, // enable solid color mode
545 true, // enable gradient mode
546 false, // disable custom gradient mode
547 !txtList.isEmpty(), // enable/disable texture mode
548 gradList, // gradient names
549 idList, // gradient identifiers
550 formats ); // image formats
552 // set chosen background data to the viewer
553 if ( bgData.isValid() )
554 aView->setBackground( bgData );
558 Updates OCC 3D viewer
560 void OCCViewer_Viewer::update()
562 if (!myV3dViewer.IsNull())
563 myV3dViewer->Update();
565 OCCViewer_ViewWindow* aView = (OCCViewer_ViewWindow*)(myViewManager->getActiveView());
567 aView->updateGravityCoords();
571 \return objects selected in 3D viewer
572 \param theList - list to be filled with selected objects
574 void OCCViewer_Viewer::getSelectedObjects(AIS_ListOfInteractive& theList)
577 for (myAISContext->InitSelected(); myAISContext->MoreSelected(); myAISContext->NextSelected())
578 theList.Append(myAISContext->SelectedInteractive());
582 Selects objects in 3D viewer. Other selected objects are left as selected
583 \param theList - list objects to be selected
585 void OCCViewer_Viewer::setObjectsSelected(const AIS_ListOfInteractive& theList)
587 AIS_ListIteratorOfListOfInteractive aIt;
588 for (aIt.Initialize(theList); aIt.More(); aIt.Next())
589 myAISContext->AddOrRemoveSelected(aIt.Value(), false);
590 myAISContext->UpdateCurrentViewer();
594 Auxiliary method to emit signal selectionChanged()
596 void OCCViewer_Viewer::performSelectionChanged()
598 emit selectionChanged();
602 Hilights/unhilights object in viewer
603 \param obj - object to be updated
604 \param hilight - if it is true, object will be hilighted, otherwise it will be unhilighted
605 \param update - update current viewer
607 bool OCCViewer_Viewer::highlight( const Handle(AIS_InteractiveObject)& obj,
608 bool hilight, bool update )
610 bool isInLocal = myAISContext->HasOpenedContext();
614 if ( hilight && !myAISContext->IsSelected( obj ) )
615 myAISContext->AddOrRemoveCurrentObject( obj, false );
616 else if ( !hilight && myAISContext->IsSelected( obj ) )
617 myAISContext->AddOrRemoveCurrentObject( obj, false );
621 myV3dViewer->Redraw();
627 Unhilights all objects in viewer
628 \param updateviewer - update current viewer
630 bool OCCViewer_Viewer::unHighlightAll( bool updateviewer )
632 if ( myAISContext->HasOpenedContext() )
633 myAISContext->ClearSelected( updateviewer );
635 myAISContext->ClearCurrents( updateviewer );
640 \return true if object is in viewer or in collector
641 \param obj - object to be checked
642 \param onlyInViewer - search object only in viewer (so object must be displayed)
644 bool OCCViewer_Viewer::isInViewer( const Handle(AIS_InteractiveObject)& obj,
647 AIS_ListOfInteractive List;
648 myAISContext->DisplayedObjects(List);
652 AIS_ListOfInteractive List1;
653 myAISContext->ObjectsInCollector(List1);
657 AIS_ListIteratorOfListOfInteractive ite(List);
658 for ( ; ite.More(); ite.Next() )
659 if( ite.Value()==obj )
666 \return true if object is displayed in viewer
667 \param obj - object to be checked
669 bool OCCViewer_Viewer::isVisible( const Handle(AIS_InteractiveObject)& obj )
671 return myAISContext->IsDisplayed( obj );
676 \param obj - object to be updated
677 \param color - new color
678 \param update - update current viewer
680 void OCCViewer_Viewer::setColor( const Handle(AIS_InteractiveObject)& obj,
686 Quantity_Color CSFColor = Quantity_Color ( color.red() / 255.,
687 color.green() / 255.,
690 obj->SetColor( CSFColor );
694 myV3dViewer->Update();
698 Changes display mode of object
699 \param obj - object to be processed
700 \param mode - new display mode
701 \param update - update current viewer
703 void OCCViewer_Viewer::switchRepresentation( const Handle(AIS_InteractiveObject)& obj,
704 int mode, bool update )
706 myAISContext->SetDisplayMode( obj, (Standard_Integer)mode, update );
708 myV3dViewer->Update();
712 Changes transparency of object
713 \param obj - object to be processed
714 \param trans - new transparency
715 \param update - update current viewer
717 void OCCViewer_Viewer::setTransparency( const Handle(AIS_InteractiveObject)& obj,
718 float trans, bool update )
720 myAISContext->SetTransparency( obj, trans, false );
721 myAISContext->Redisplay( obj, Standard_False, Standard_True );
723 myV3dViewer->Update();
727 Changes visibility of trihedron to opposite
729 void OCCViewer_Viewer::toggleTrihedron()
731 setTrihedronShown( !isTrihedronVisible() );
735 \return true if trihedron is visible
737 bool OCCViewer_Viewer::isTrihedronVisible() const
739 return !myTrihedron.IsNull() && !myAISContext.IsNull() && myAISContext->IsDisplayed( myTrihedron );
743 Sets visibility state of trihedron
744 \param on - new state
747 void OCCViewer_Viewer::setTrihedronShown( const bool on )
749 if ( myTrihedron.IsNull() )
753 myAISContext->Display( myTrihedron );
755 myAISContext->Erase( myTrihedron );
759 \return trihedron size
761 double OCCViewer_Viewer::trihedronSize() const
764 if ( !myTrihedron.IsNull() )
765 sz = myTrihedron->Size();
770 Changes trihedron size
773 void OCCViewer_Viewer::setTrihedronSize( const double sz, bool isRelative )
775 if ( myTrihedronSize != sz || isRelative != myIsRelative) {
776 myTrihedronSize = sz;
777 myIsRelative = isRelative;
783 Set number of isolines
784 \param u - u-isolines (first parametric co-ordinate)
785 \param v - v-isolines (second parametric co-ordinate)
787 void OCCViewer_Viewer::setIsos( const int u, const int v )
789 Handle(AIS_InteractiveContext) ic = getAISContext();
793 ic->SetIsoNumber( u, AIS_TOI_IsoU );
794 ic->SetIsoNumber( v, AIS_TOI_IsoV );
798 \return number of isolines
799 \param u - to return u-isolines (first parametric co-ordinate)
800 \param v - to return v-isolines (second parametric co-ordinate)
802 void OCCViewer_Viewer::isos( int& u, int& v ) const
804 Handle(AIS_InteractiveContext) ic = getAISContext();
807 u = ic->IsoNumber( AIS_TOI_IsoU );
808 v = ic->IsoNumber( AIS_TOI_IsoV );
813 * Returns a new OCCViewer_ViewWindow instance which will be placed as a sub window in ViewFrame
815 OCCViewer_ViewWindow* OCCViewer_Viewer::createSubWindow()
817 return new OCCViewer_ViewWindow( 0, this);
821 QColor OCCViewer_Viewer::backgroundColor( int theViewId ) const
823 return background( theViewId ).color();
826 Qtx::BackgroundData OCCViewer_Viewer::background( int theViewId ) const
828 return ( theViewId >= 0 && theViewId < myBackgrounds.count() ) ? myBackgrounds[theViewId] : Qtx::BackgroundData();
832 void OCCViewer_Viewer::setBackgroundColor( int theViewId, const QColor& theColor )
834 if ( theColor.isValid() ) {
835 Qtx::BackgroundData bg = background( theViewId );
836 bg.setColor( theColor );
837 setBackground( theViewId, bg );
841 void OCCViewer_Viewer::setBackground( int theViewId, const Qtx::BackgroundData& theBackground )
843 if ( theBackground.isValid() && theViewId >= 0 && theViewId < myBackgrounds.count() )
844 myBackgrounds[theViewId] = theBackground;
849 Set the show static trihedron flag
851 void OCCViewer_Viewer::setStaticTrihedronDisplayed(const bool on) {
852 if(myShowStaticTrihedron != on) {
853 OCCViewer_ViewWindow* aView = (OCCViewer_ViewWindow*)(myViewManager->getActiveView());
857 OCCViewer_ViewPort3d* vp3d = aView->getViewPort();
859 myShowStaticTrihedron = on;
860 vp3d->updateStaticTriedronVisibility();
866 Get new and current trihedron size corresponding to the current model size
868 bool OCCViewer_Viewer::computeTrihedronSize( double& theNewSize, double& theSize )
873 //SRN: BUG IPAL8996, a usage of method ActiveView without an initialization
874 Handle(V3d_Viewer) viewer = getViewer3d();
875 viewer->InitActiveViews();
876 if(!viewer->MoreActiveViews()) return false;
878 Handle(V3d_View) view3d = viewer->ActiveView();
881 if ( view3d.IsNull() )
884 double Xmin = 0, Ymin = 0, Zmin = 0, Xmax = 0, Ymax = 0, Zmax = 0;
887 view3d->View()->MinMaxValues( Xmin, Ymin, Zmin, Xmax, Ymax, Zmax );
889 if ( Xmin == RealFirst() || Ymin == RealFirst() || Zmin == RealFirst() ||
890 Xmax == RealLast() || Ymax == RealLast() || Zmax == RealLast() )
893 aMaxSide = Xmax - Xmin;
894 if ( aMaxSide < Ymax -Ymin ) aMaxSide = Ymax -Ymin;
895 if ( aMaxSide < Zmax -Zmin ) aMaxSide = Zmax -Zmin;
898 // The boundary box of the view may be initialized but nullified
899 // (case of infinite objects)
900 if ( aMaxSide < Precision::Confusion() )
903 float aSizeInPercents = SUIT_Session::session()->resourceMgr()->doubleValue("3DViewer","trihedron_size", 100.);
905 static float EPS = 5.0E-3;
906 theSize = getTrihedron()->Size();
907 theNewSize = aMaxSide*aSizeInPercents / 100.0;
909 return fabs( theNewSize - theSize ) > theSize * EPS ||
910 fabs( theNewSize - theSize) > theNewSize * EPS;
914 * Update the size of the trihedron
916 void OCCViewer_Viewer::updateTrihedron() {
920 if(computeTrihedronSize(newSz, oldSz))
921 myTrihedron->SetSize(newSz);
923 } else if(myTrihedron->Size() != myTrihedronSize) {
924 myTrihedron->SetSize(myTrihedronSize);