-// Copyright (C) 2005 OPEN CASCADE, CEA/DEN, EDF R&D, PRINCIPIA R&D
-//
+// Copyright (C) 2007-2013 CEA/DEN, EDF R&D, OPEN CASCADE
+//
+// Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
+// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
+//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
-// License as published by the Free Software Foundation; either
+// License as published by the Free Software Foundation; either
// version 2.1 of the License.
-//
-// This library is distributed in the hope that it will be useful
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
-// You should have received a copy of the GNU Lesser General Public
-// License along with this library; if not, write to the Free Software
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
-// See http://www.salome-platform.org/
+// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
//
#include "OCCViewer_ViewModel.h"
#include "OCCViewer_ViewWindow.h"
+#include "OCCViewer_ViewFrame.h"
#include "OCCViewer_VService.h"
#include "OCCViewer_ViewPort3d.h"
#include "SUIT_ViewWindow.h"
+#include "SUIT_ViewManager.h"
#include "SUIT_Desktop.h"
#include "SUIT_Session.h"
-
-#include <qpainter.h>
-#include <qapplication.h>
-#include <qcolordialog.h>
-#include <qpalette.h>
-#include <qpopupmenu.h>
+#include "SUIT_ResourceMgr.h"
+
+#include "QtxActionToolMgr.h"
+#include "QtxBackgroundTool.h"
+
+#include <QPainter>
+#include <QApplication>
+#include <QColorDialog>
+#include <QFileDialog>
+#include <QPalette>
+#include <QKeyEvent>
+#include <QMenu>
+#include <QMouseEvent>
+#include <QToolBar>
+#include <QDesktopWidget>
#include <AIS_Axis.hxx>
#include <AIS_Drawer.hxx>
+#include <AIS_ListOfInteractive.hxx>
#include <AIS_ListIteratorOfListOfInteractive.hxx>
#include <Geom_Axis2Placement.hxx>
+#include <Prs3d_Drawer.hxx>
#include <Prs3d_DatumAspect.hxx>
#include <Prs3d_LineAspect.hxx>
+#include <Prs3d_LengthAspect.hxx>
+#include <Prs3d_AngleAspect.hxx>
+#include <Prs3d_TextAspect.hxx>
+
+#include <Visual3d_View.hxx>
+
+#include <Basics_OCCTVersion.hxx>
+
+// VSR: Uncomment below line to allow texture background support in OCC viewer
+#define OCC_ENABLE_TEXTURED_BACKGROUND
+
+/*!
+ Get data for supported background modes: gradient types, identifiers and supported image formats
+*/
+QString OCCViewer_Viewer::backgroundData( QStringList& gradList, QIntList& idList, QIntList& txtList )
+{
+ gradList << tr("GT_HORIZONTALGRADIENT") << tr("GT_VERTICALGRADIENT") <<
+ tr("GT_FIRSTDIAGONALGRADIENT") << tr("GT_SECONDDIAGONALGRADIENT") <<
+ tr("GT_FIRSTCORNERGRADIENT") << tr("GT_SECONDCORNERGRADIENT") <<
+ tr("GT_THIRDCORNERGRADIENT") << tr("GT_FORTHCORNERGRADIENT");
+ idList << HorizontalGradient << VerticalGradient <<
+ Diagonal1Gradient << Diagonal2Gradient <<
+ Corner1Gradient << Corner2Gradient <<
+ Corner3Gradient << Corner4Gradient;
+#if OCC_VERSION_LARGE > 0x06050200 // enabled since OCCT 6.5.3, since in previous version this functionality is buggy
+#ifdef OCC_ENABLE_TEXTURED_BACKGROUND
+ txtList << Qtx::CenterTexture << Qtx::TileTexture << Qtx::StretchTexture;
+#endif
+#endif
+ return tr("BG_IMAGE_FILES");
+}
/*!
Constructor
\param DisplayTrihedron - is trihedron displayed
*/
-OCCViewer_Viewer::OCCViewer_Viewer( bool DisplayTrihedron )
+OCCViewer_Viewer::OCCViewer_Viewer( bool DisplayTrihedron)
: SUIT_ViewModel(),
-myBgColor( Qt::black )
+ myBackgrounds(4, Qtx::BackgroundData( Qt::black )),
+ myIsRelative(true),
+ myTopLayerId( 0 ),
+ myTrihedronSize(100)
{
// init CasCade viewers
myV3dViewer = OCCViewer_VService::Viewer3d( "", (short*) "Viewer3d", "", 1000.,
// display isoline on planar faces (box for ex.)
myAISContext->IsoOnPlane( true );
- clearViewAspects();
-
+ double h = QApplication::desktop()->screenGeometry( QApplication::desktop()->primaryScreen() ).height() / 300. ;
+ Handle(Prs3d_Drawer) drawer = myAISContext->DefaultDrawer();
+ Handle(Prs3d_TextAspect) ta = drawer->TextAspect();
+ ta->SetHeight(100); // VSR: workaround for CAS.CADE bug (is it really needed ???)
+ ta->SetHeight(h);
+ drawer->SetTextAspect(ta);
+ drawer->AngleAspect()->SetTextAspect(ta);
+ drawer->LengthAspect()->SetTextAspect(ta);
+
/* create trihedron */
if( DisplayTrihedron )
{
myAISContext->Display(myTrihedron);
myAISContext->Deactivate(myTrihedron);
- }
+ }
+
+ // set interaction style to standard
+ myInteractionStyle = 0;
+
+ // set zooming style to standard
+ myZoomingStyle = 0;
// selection
mySelectionEnabled = true;
myMultiSelectionEnabled = true;
+
+
+ SUIT_ResourceMgr* resMgr = SUIT_Session::session()->resourceMgr();
+ if(resMgr)
+ myShowStaticTrihedron = resMgr->booleanValue( "3DViewer", "show_static_trihedron", true );
}
/*!
*/
OCCViewer_Viewer::~OCCViewer_Viewer()
{
+ myAISContext.Nullify();
+ myV3dViewer.Nullify();
+ myV3dCollector.Nullify();
}
/*!
+ [obsolete]
\return background color of viewer
*/
QColor OCCViewer_Viewer::backgroundColor() const
{
- return myBgColor;
+ return backgroundColor(0);
}
/*!
- Sets background color
+ \return background data of viewer
+*/
+Qtx::BackgroundData OCCViewer_Viewer::background() const
+{
+ return background(0);
+}
+
+/*!
+ Sets background color [obsolete]
\param c - new background color
*/
void OCCViewer_Viewer::setBackgroundColor( const QColor& c )
{
- if ( c.isValid() )
- myBgColor = c;
+ setBackgroundColor( 0, c );
+}
+
+/*!
+ Sets background data
+ \param d - new background data
+*/
+void OCCViewer_Viewer::setBackground( const Qtx::BackgroundData& theBackground )
+{
+ setBackground( 0, theBackground );
}
/*!
{
if ( view ) {
view->initLayout();
+ view->initSketchers();
+ view->setInteractionStyle( interactionStyle() );
+ view->setZoomingStyle( zoomingStyle() );
OCCViewer_ViewPort3d* vp3d = view->getViewPort();
if ( vp3d )
- vp3d->setBackgroundColor( myBgColor );
+ {
+ vp3d->getView()->SetSurfaceDetail(V3d_TEX_ALL);
+ }
}
}
*/
SUIT_ViewWindow* OCCViewer_Viewer::createView( SUIT_Desktop* theDesktop )
{
- OCCViewer_ViewWindow* view = new OCCViewer_ViewWindow(theDesktop, this);
- initView( view );
+ // create view frame
+ OCCViewer_ViewFrame* view = new OCCViewer_ViewFrame(theDesktop, this);
+ // get main view window (created by view frame)
+ OCCViewer_ViewWindow* vw = view->getView(OCCViewer_ViewFrame::MAIN_VIEW);
+ // initialize main view window
+ initView( vw );
+ // set default background for view window
+ vw->setBackground( background(0) ); // 0 means MAIN_VIEW (other views are not yet created here)
+ // connect signal from viewport
+ connect(view->getViewPort(), SIGNAL(vpClosed()), this, SLOT(onViewClosed()));
return view;
}
connect(theViewManager, SIGNAL(mouseRelease(SUIT_ViewWindow*, QMouseEvent*)),
this, SLOT(onMouseRelease(SUIT_ViewWindow*, QMouseEvent*)));
+
+ connect(theViewManager, SIGNAL(keyPress(SUIT_ViewWindow*, QKeyEvent*)),
+ this, SLOT(onKeyPress(SUIT_ViewWindow*, QKeyEvent*)));
}
}
if (!theWindow->inherits("OCCViewer_ViewWindow")) return;
OCCViewer_ViewWindow* aView = (OCCViewer_ViewWindow*) theWindow;
- if ( isSelectionEnabled() )
- myAISContext->MoveTo(theEvent->x(), theEvent->y(), aView->getViewPort()->getView());
+
+ if ( isSelectionEnabled() ) {
+ if (aView->getViewPort()->isBusy()) {
+ QCoreApplication::processEvents();
+ return; // Check that the ViewPort initialization completed
+ // To Prevent call move event if the View port is not initialized
+ // IPAL 20883
+ }
+ Handle(V3d_View) aView3d = aView->getViewPort()->getView();
+ if ( !aView3d.IsNull() ) {
+ myAISContext->MoveTo(theEvent->x(), theEvent->y(), aView3d);
+ }
+ }
}
if (theEvent->button() != Qt::LeftButton) return;
if (!theWindow->inherits("OCCViewer_ViewWindow")) return;
+ OCCViewer_ViewWindow* aView = (OCCViewer_ViewWindow*) theWindow;
+ if (!aView )
+ return;
myEndPnt.setX(theEvent->x()); myEndPnt.setY(theEvent->y());
- OCCViewer_ViewWindow* aView = (OCCViewer_ViewWindow*) theWindow;
- bool aHasShift = (theEvent->state() & Qt::ShiftButton);
+ bool aHasShift = (theEvent->modifiers() & Qt::ShiftModifier);
+
+ if (!aHasShift) emit deselection();
if (myStartPnt == myEndPnt)
{
emit selectionChanged();
}
+/*!
+ SLOT: called on key press, processes selection in "key free" interaction style
+*/
+void OCCViewer_Viewer::onKeyPress(SUIT_ViewWindow* theWindow, QKeyEvent* theEvent)
+{
+ if (!mySelectionEnabled) return;
+ if (theEvent->key() != Qt::Key_S) return;
+ if (!theWindow->inherits("OCCViewer_ViewWindow")) return;
+
+ OCCViewer_ViewWindow* aView = (OCCViewer_ViewWindow*) theWindow;
+ if (!aView || aView->interactionStyle() != SUIT_ViewModel::KEY_FREE)
+ return;
+
+ emit deselection();
+ myAISContext->Select();
+
+ emit selectionChanged();
+}
+
+void OCCViewer_Viewer::onViewClosed()
+{
+ Standard_Integer aViewsNb = 0;
+ for ( myV3dViewer->InitActiveViews(); myV3dViewer->MoreActiveViews(); myV3dViewer->NextActiveViews())
+ ++aViewsNb;
+ if ( aViewsNb < 2 ) {
+ //clean up presentations before last view is closed
+ myAISContext->RemoveAll(Standard_False);
+ }
+}
+
+int OCCViewer_Viewer::getTopLayerId()
+{
+#if OCC_VERSION_LARGE > 0x06050200
+ if ( myTopLayerId == 0 && !myAISContext->CurrentViewer().IsNull() )
+ myAISContext->CurrentViewer()->AddZLayer( myTopLayerId );
+#endif
+
+ return myTopLayerId;
+}
+
+/*!
+ \return interaction style
+*/
+int OCCViewer_Viewer::interactionStyle() const
+{
+ return myInteractionStyle;
+}
+
+/*!
+ Sets interaction style: 0 - standard, 1 - keyboard free interaction
+ \param theStyle - new interaction style
+*/
+void OCCViewer_Viewer::setInteractionStyle( const int theStyle )
+{
+ myInteractionStyle = theStyle;
+ //!! To be done for view windows
+ if ( !myViewManager )
+ return;
+
+ QVector<SUIT_ViewWindow*> wins = myViewManager->getViews();
+ for ( int i = 0; i < (int)wins.count(); i++ )
+ {
+ OCCViewer_ViewWindow* win = ::qobject_cast<OCCViewer_ViewWindow*>( wins.at( i ) );
+ if ( win )
+ win->setInteractionStyle( theStyle );
+ }
+}
+
+/*!
+ \return zooming style
+*/
+int OCCViewer_Viewer::zoomingStyle() const
+{
+ return myZoomingStyle;
+}
+
+/*!
+ Sets zooming style: 0 - standard, 1 - advanced (at cursor)
+ \param theStyle - new zooming style
+*/
+void OCCViewer_Viewer::setZoomingStyle( const int theStyle )
+{
+ myZoomingStyle = theStyle;
+ //!! To be done for view windows
+ if ( !myViewManager )
+ return;
+
+ QVector<SUIT_ViewWindow*> wins = myViewManager->getViews();
+ for ( int i = 0; i < (int)wins.count(); i++ )
+ {
+ OCCViewer_ViewWindow* win = ::qobject_cast<OCCViewer_ViewWindow*>( wins.at( i ) );
+ if ( win )
+ win->setZoomingStyle( theStyle );
+ }
+}
/*!
Sets selection enabled status
if ( !myViewManager )
return;
- QPtrVector<SUIT_ViewWindow> wins = myViewManager->getViews();
- for ( int i = 0; i < wins.count(); i++ )
+ QVector<SUIT_ViewWindow*> wins = myViewManager->getViews();
+ for ( int i = 0; i < (int)wins.count(); i++ )
{
- OCCViewer_ViewWindow* win = ::qt_cast<OCCViewer_ViewWindow*>( wins.at( i ) );
+ OCCViewer_ViewWindow* win = ::qobject_cast<OCCViewer_ViewWindow*>( wins.at( i ) );
if ( win )
win->updateEnabledDrawMode();
}
if ( !myViewManager )
return;
- QPtrVector<SUIT_ViewWindow> wins = myViewManager->getViews();
- for ( int i = 0; i < wins.count(); i++ )
+ QVector<SUIT_ViewWindow*> wins = myViewManager->getViews();
+ for ( int i = 0; i < (int)wins.count(); i++ )
{
- OCCViewer_ViewWindow* win = ::qt_cast<OCCViewer_ViewWindow*>( wins.at( i ) );
+ OCCViewer_ViewWindow* win = ::qobject_cast<OCCViewer_ViewWindow*>( wins.at( i ) );
if ( win )
win->updateEnabledDrawMode();
}
/*!
Builds popup for occ viewer
*/
-void OCCViewer_Viewer::contextMenuPopup(QPopupMenu* thePopup)
+void OCCViewer_Viewer::contextMenuPopup(QMenu* thePopup)
{
- thePopup->insertItem( tr( "MEN_DUMP_VIEW" ), this, SLOT( onDumpView() ) );
- thePopup->insertItem( tr( "MEN_CHANGE_BACKGROUD" ), this, SLOT( onChangeBgColor() ) );
+ thePopup->addAction( tr( "MEN_DUMP_VIEW" ), this, SLOT( onDumpView() ) );
+ thePopup->addAction( tr( "MEN_CHANGE_BACKGROUND" ), this, SLOT( onChangeBackground() ) );
- thePopup->insertSeparator();
+ thePopup->addSeparator();
OCCViewer_ViewWindow* aView = (OCCViewer_ViewWindow*)(myViewManager->getActiveView());
- if ( aView && !aView->getToolBar()->isVisible() )
- thePopup->insertItem( tr( "MEN_SHOW_TOOLBAR" ), this, SLOT( onShowToolbar() ) );
+
+ //Support of several toolbars in the popup menu
+ QList<QToolBar*> lst = qFindChildren<QToolBar*>( aView );
+ QList<QToolBar*>::const_iterator it = lst.begin(), last = lst.end();
+ for ( ; it!=last; it++ ) {
+ if ( (*it)->parentWidget()->isVisible() )
+ thePopup->addAction( (*it)->toggleViewAction() );
+ }
}
/*!
/*!
SLOT: called if background color is to be changed changed, passes new color to view port
*/
-void OCCViewer_Viewer::onChangeBgColor()
+void OCCViewer_Viewer::onChangeBackground()
{
- OCCViewer_ViewWindow* aView = (OCCViewer_ViewWindow*)(myViewManager->getActiveView());
- if( !aView )
- return;
- OCCViewer_ViewPort3d* aViewPort3d = aView->getViewPort();
- if( !aViewPort3d )
+ OCCViewer_ViewWindow* aView = dynamic_cast<OCCViewer_ViewWindow*>(myViewManager->getActiveView());
+ if ( !aView )
return;
- QColor aColorActive = aViewPort3d->backgroundColor();
- QColor selColor = QColorDialog::getColor( aColorActive, aView);
- if ( selColor.isValid() )
- aViewPort3d->setBackgroundColor(selColor);
-}
+ // get supported gradient types
+ QStringList gradList;
+ QIntList idList, txtList;
+ QString formats = backgroundData( gradList, idList, txtList );
-/*!
- SLOT: called when popup item "Show toolbar" is activated, shows toolbar of active view window
-*/
-void OCCViewer_Viewer::onShowToolbar() {
- OCCViewer_ViewWindow* aView = (OCCViewer_ViewWindow*)(myViewManager->getActiveView());
- if ( aView )
- aView->getToolBar()->show();
+ // invoke dialog box
+ Qtx::BackgroundData bgData = QtxBackgroundDialog::getBackground( aView->background(), // initial background
+ aView, // parent for dialog box
+ txtList, // allowed texture modes
+ true, // enable solid color mode
+ true, // enable gradient mode
+ false, // disable custom gradient mode
+ !txtList.isEmpty(), // enable/disable texture mode
+ gradList, // gradient names
+ idList, // gradient identifiers
+ formats ); // image formats
+
+ // set chosen background data to the viewer
+ if ( bgData.isValid() )
+ aView->setBackground( bgData );
}
/*!
{
if (!myV3dViewer.IsNull())
myV3dViewer->Update();
+
+ OCCViewer_ViewWindow* aView = (OCCViewer_ViewWindow*)(myViewManager->getActiveView());
+ if ( aView )
+ aView->updateGravityCoords();
}
/*!
{
AIS_ListIteratorOfListOfInteractive aIt;
for (aIt.Initialize(theList); aIt.More(); aIt.Next())
- myAISContext->SetSelected(aIt.Value(), false);
+ myAISContext->AddOrRemoveSelected(aIt.Value(), false);
myAISContext->UpdateCurrentViewer();
}
emit selectionChanged();
}
-/*!
- SLOT, clears view aspects
-*/
-void OCCViewer_Viewer::onClearViewAspects()
-{
- clearViewAspects();
-}
-
-/*!
- Clears view aspects
-*/
-void OCCViewer_Viewer::clearViewAspects()
-{
- myViewAspects.clear();
-}
-
-/*!
- \return const reference to list of view aspects
-*/
-const viewAspectList& OCCViewer_Viewer::getViewAspects()
-{
- return myViewAspects;
-}
-
-/*!
- Appends new view aspect
- \param aParams - new view aspects
-*/
-void OCCViewer_Viewer::appendViewAspect( const viewAspect& aParams )
-{
- myViewAspects.append( aParams );
-}
-
-/*!
- Replaces old view aspects by new ones
- \param aViewList - list of new view aspects
-*/
-void OCCViewer_Viewer::updateViewAspects( const viewAspectList& aViewList )
-{
- myViewAspects = aViewList;
-}
-
/*!
Hilights/unhilights object in viewer
\param obj - object to be updated
void OCCViewer_Viewer::switchRepresentation( const Handle(AIS_InteractiveObject)& obj,
int mode, bool update )
{
- myAISContext->SetDisplayMode( obj, (Standard_Integer)mode, true );
+ myAISContext->SetDisplayMode( obj, (Standard_Integer)mode, update );
if( update )
myV3dViewer->Update();
}
/*!
\return trihedron size
*/
-int OCCViewer_Viewer::trihedronSize() const
+double OCCViewer_Viewer::trihedronSize() const
{
- int sz = 0;
+ double sz = 0;
if ( !myTrihedron.IsNull() )
- sz = (int)myTrihedron->Size();
+ sz = myTrihedron->Size();
return sz;
}
Changes trihedron size
\param sz - new size
*/
-void OCCViewer_Viewer::setTrihedronSize( const int sz )
+void OCCViewer_Viewer::setTrihedronSize( const double sz, bool isRelative )
{
- if ( !myTrihedron.IsNull() )
- myTrihedron->SetSize( sz );
+ if ( myTrihedronSize != sz || isRelative != myIsRelative) {
+ myTrihedronSize = sz;
+ myIsRelative = isRelative;
+ updateTrihedron();
+ }
}
/*!
v = ic->IsoNumber( AIS_TOI_IsoV );
}
}
+
+/*
+ * Returns a new OCCViewer_ViewWindow instance which will be placed as a sub window in ViewFrame
+ */
+OCCViewer_ViewWindow* OCCViewer_Viewer::createSubWindow()
+{
+ return new OCCViewer_ViewWindow( 0, this);
+}
+
+// obsolete
+QColor OCCViewer_Viewer::backgroundColor( int theViewId ) const
+{
+ return background( theViewId ).color();
+}
+
+Qtx::BackgroundData OCCViewer_Viewer::background( int theViewId ) const
+{
+ return ( theViewId >= 0 && theViewId < myBackgrounds.count() ) ? myBackgrounds[theViewId] : Qtx::BackgroundData();
+}
+
+// obsolete
+void OCCViewer_Viewer::setBackgroundColor( int theViewId, const QColor& theColor )
+{
+ if ( theColor.isValid() ) {
+ Qtx::BackgroundData bg = background( theViewId );
+ bg.setColor( theColor );
+ setBackground( theViewId, bg );
+ }
+}
+
+void OCCViewer_Viewer::setBackground( int theViewId, const Qtx::BackgroundData& theBackground )
+{
+ if ( theBackground.isValid() && theViewId >= 0 && theViewId < myBackgrounds.count() )
+ myBackgrounds[theViewId] = theBackground;
+}
+
+
+/*!
+ Set the show static trihedron flag
+*/
+void OCCViewer_Viewer::setStaticTrihedronDisplayed(const bool on) {
+ if(myShowStaticTrihedron != on) {
+ OCCViewer_ViewWindow* aView = (OCCViewer_ViewWindow*)(myViewManager->getActiveView());
+ if(!aView)
+ return;
+
+ OCCViewer_ViewPort3d* vp3d = aView->getViewPort();
+ if(vp3d) {
+ myShowStaticTrihedron = on;
+ vp3d->updateStaticTriedronVisibility();
+ }
+ }
+}
+
+/*!
+ Get new and current trihedron size corresponding to the current model size
+*/
+bool OCCViewer_Viewer::computeTrihedronSize( double& theNewSize, double& theSize )
+{
+ theNewSize = 100;
+ theSize = 100;
+
+ //SRN: BUG IPAL8996, a usage of method ActiveView without an initialization
+ Handle(V3d_Viewer) viewer = getViewer3d();
+ viewer->InitActiveViews();
+ if(!viewer->MoreActiveViews()) return false;
+
+ Handle(V3d_View) view3d = viewer->ActiveView();
+ //SRN: END of fix
+
+ if ( view3d.IsNull() )
+ return false;
+
+ double Xmin = 0, Ymin = 0, Zmin = 0, Xmax = 0, Ymax = 0, Zmax = 0;
+ double aMaxSide;
+
+ view3d->View()->MinMaxValues( Xmin, Ymin, Zmin, Xmax, Ymax, Zmax );
+
+ if ( Xmin == RealFirst() || Ymin == RealFirst() || Zmin == RealFirst() ||
+ Xmax == RealLast() || Ymax == RealLast() || Zmax == RealLast() )
+ return false;
+
+ aMaxSide = Xmax - Xmin;
+ if ( aMaxSide < Ymax -Ymin ) aMaxSide = Ymax -Ymin;
+ if ( aMaxSide < Zmax -Zmin ) aMaxSide = Zmax -Zmin;
+
+ // IPAL21687
+ // The boundary box of the view may be initialized but nullified
+ // (case of infinite objects)
+ if ( aMaxSide < Precision::Confusion() )
+ return false;
+
+ float aSizeInPercents = SUIT_Session::session()->resourceMgr()->doubleValue("3DViewer","trihedron_size", 100.);
+
+ static float EPS = 5.0E-3;
+ theSize = getTrihedron()->Size();
+ theNewSize = aMaxSide*aSizeInPercents / 100.0;
+
+ return fabs( theNewSize - theSize ) > theSize * EPS ||
+ fabs( theNewSize - theSize) > theNewSize * EPS;
+}
+
+/*!
+ * Update the size of the trihedron
+ */
+void OCCViewer_Viewer::updateTrihedron() {
+ if(myIsRelative){
+ double newSz, oldSz;
+
+ if(computeTrihedronSize(newSz, oldSz))
+ myTrihedron->SetSize(newSz);
+
+ } else if(myTrihedron->Size() != myTrihedronSize) {
+ myTrihedron->SetSize(myTrihedronSize);
+ }
+}
