// Created on: 2014-05-22 // Created by: Varvara POSKONINA // Copyright (c) 2005-2014 OPEN CASCADE SAS // // This file is part of Open CASCADE Technology software library. // // This library is free software; you can redistribute it and/or modify it under // the terms of the GNU Lesser General Public License version 2.1 as published // by the Free Software Foundation, with special exception defined in the file // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT // distribution for complete text of the license and disclaimer of any warranty. // // Alternatively, this file may be used under the terms of Open CASCADE // commercial license or contractual agreement. #include //======================================================================= // function : SelectMgr_SelectingVolumeManager // purpose : Creates instances of all available selecting volume types //======================================================================= SelectMgr_SelectingVolumeManager::SelectMgr_SelectingVolumeManager (Standard_Boolean theToAllocateFrustums) { myActiveSelectionType = Unknown; myToAllowOverlap = Standard_False; if (theToAllocateFrustums) { mySelectingVolumes[Frustum] = new SelectMgr_RectangularFrustum(); mySelectingVolumes[FrustumSet] = new SelectMgr_TriangularFrustumSet(); } } //======================================================================= // function : ScaleAndTransform // purpose : IMPORTANT: Scaling makes sense only for frustum built on a single point! // Note that this method does not perform any checks on type of the frustum. // // Returns a copy of the frustum resized according to the scale factor given // and transforms it using the matrix given. // There are no default parameters, but in case if: // - transformation only is needed: @theScaleFactor must be initialized // as any negative value; // - scale only is needed: @theTrsf must be set to gp_Identity. //======================================================================= SelectMgr_SelectingVolumeManager SelectMgr_SelectingVolumeManager::ScaleAndTransform (const Standard_Integer theScaleFactor, const gp_GTrsf& theTrsf) { SelectMgr_SelectingVolumeManager aMgr (Standard_False); if (myActiveSelectionType == Unknown) return aMgr; aMgr.myActiveSelectionType = myActiveSelectionType; aMgr.mySelectingVolumes[myActiveSelectionType / 2] = mySelectingVolumes[myActiveSelectionType / 2]->ScaleAndTransform (theScaleFactor, theTrsf); aMgr.myToAllowOverlap = myToAllowOverlap; return aMgr; } //======================================================================= // function : GetActiveSelectionType // purpose : //======================================================================= Standard_Integer SelectMgr_SelectingVolumeManager::GetActiveSelectionType() const { return myActiveSelectionType; } //======================================================================= // function : SetActiveSelectionType // purpose : //======================================================================= void SelectMgr_SelectingVolumeManager::SetActiveSelectionType (const SelectionType& theType) { myActiveSelectionType = theType; } //======================================================================= // function : SetCamera // purpose : Updates camera projection and orientation matrices in all // selecting volumes //======================================================================= void SelectMgr_SelectingVolumeManager::SetCamera (const Handle(Graphic3d_Camera) theCamera) { for (Standard_Integer anIdx = 0; anIdx < VolumeTypesNb; ++anIdx) { mySelectingVolumes[anIdx]->SetCamera (theCamera); } } //======================================================================= // function : SetCamera // purpose : Updates camera projection and orientation matrices in all // selecting volumes //======================================================================= void SelectMgr_SelectingVolumeManager::SetCamera (const Graphic3d_Mat4d& theProjection, const Graphic3d_Mat4d& theWorldView, const Standard_Boolean theIsOrthographic, const Graphic3d_WorldViewProjState& theWVPState) { for (Standard_Integer anIdx = 0; anIdx < VolumeTypesNb; ++anIdx) { mySelectingVolumes[anIdx]->SetCamera (theProjection, theWorldView, theIsOrthographic, theWVPState); } } //======================================================================= // function : ProjectionMatrix // purpose : Returns current projection transformation common for all // selecting volumes //======================================================================= const Graphic3d_Mat4d& SelectMgr_SelectingVolumeManager::ProjectionMatrix() const { return mySelectingVolumes[Frustum]->ProjectionMatrix(); } //======================================================================= // function : WorldViewMatrix // purpose : Returns current world view transformation common for all // selecting volumes //======================================================================= const Graphic3d_Mat4d& SelectMgr_SelectingVolumeManager::WorldViewMatrix() const { return mySelectingVolumes[Frustum]->WorldViewMatrix(); } //======================================================================= // function : WorldViewProjState // purpose : Returns current camera world view projection transformation // state common for all selecting volumes //======================================================================= const Graphic3d_WorldViewProjState& SelectMgr_SelectingVolumeManager::WorldViewProjState() const { return mySelectingVolumes[Frustum]->WorldViewProjState(); } //======================================================================= // function : WindowSize // purpose : //======================================================================= void SelectMgr_SelectingVolumeManager::WindowSize (Standard_Integer& theWidth, Standard_Integer& theHeight) { mySelectingVolumes[Frustum]->WindowSize (theWidth, theHeight); } //======================================================================= // function : SetCamera // purpose : Updates viewport in all selecting volumes //======================================================================= void SelectMgr_SelectingVolumeManager::SetViewport (const Standard_Real theX, const Standard_Real theY, const Standard_Real theWidth, const Standard_Real theHeight) { for (Standard_Integer anIdx = 0; anIdx < VolumeTypesNb; ++anIdx) { mySelectingVolumes[anIdx]->SetViewport (theX, theY, theWidth, theHeight); } } //======================================================================= // function : SetWindowSize // purpose : Updates window size in all selecting volumes //======================================================================= void SelectMgr_SelectingVolumeManager::SetWindowSize (const Standard_Integer theWidth, const Standard_Integer theHeight) { for (Standard_Integer anIdx = 0; anIdx < VolumeTypesNb; ++anIdx) { mySelectingVolumes[anIdx]->SetWindowSize (theWidth, theHeight); } } //======================================================================= // function : SetPixelTolerance // purpose : Updates pixel tolerance in all selecting volumes //======================================================================= void SelectMgr_SelectingVolumeManager::SetPixelTolerance (const Standard_Integer theTolerance) { for (Standard_Integer anIdx = 0; anIdx < VolumeTypesNb; ++anIdx) { mySelectingVolumes[anIdx]->SetPixelTolerance (theTolerance); } } //======================================================================= // function : BuildSelectingVolume // purpose : Builds rectangular selecting frustum for point selection //======================================================================= void SelectMgr_SelectingVolumeManager::BuildSelectingVolume (const gp_Pnt2d& thePoint) { if (myActiveSelectionType != Point) return; mySelectingVolumes[Frustum]->Build (thePoint); } //======================================================================= // function : BuildSelectingVolume // purpose : Builds rectangular selecting frustum for box selection //======================================================================= void SelectMgr_SelectingVolumeManager::BuildSelectingVolume (const gp_Pnt2d& theMinPt, const gp_Pnt2d& theMaxPt) { if (myActiveSelectionType != Box) return; mySelectingVolumes[Frustum]->Build (theMinPt, theMaxPt); } //======================================================================= // function : BuildSelectingVolume // purpose : Builds set of triangular selecting frustums for polyline // selection //======================================================================= void SelectMgr_SelectingVolumeManager::BuildSelectingVolume (const TColgp_Array1OfPnt2d& thePoints) { if (myActiveSelectionType != Polyline) return; mySelectingVolumes[FrustumSet]->Build (thePoints); } //======================================================================= // function : Overlaps // purpose : SAT intersection test between defined volume and // given axis-aligned box //======================================================================= Standard_Boolean SelectMgr_SelectingVolumeManager::Overlaps (const SelectMgr_Vec3& theBoxMin, const SelectMgr_Vec3& theBoxMax, Standard_Real& theDepth) { if (myActiveSelectionType == Unknown) return Standard_False; return mySelectingVolumes[myActiveSelectionType / 2]->Overlaps (theBoxMin, theBoxMax, theDepth); } //======================================================================= // function : Overlaps // purpose : Intersection test between defined volume and given point //======================================================================= Standard_Boolean SelectMgr_SelectingVolumeManager::Overlaps (const SelectMgr_Vec3& theBoxMin, const SelectMgr_Vec3& theBoxMax, Standard_Boolean* theInside) { if (myActiveSelectionType == Unknown) return Standard_False; return mySelectingVolumes[myActiveSelectionType / 2]->Overlaps (theBoxMin, theBoxMax, theInside); } //======================================================================= // function : Overlaps // purpose : Intersection test between defined volume and given point //======================================================================= Standard_Boolean SelectMgr_SelectingVolumeManager::Overlaps (const gp_Pnt& thePnt, Standard_Real& theDepth) { if (myActiveSelectionType == Unknown) return Standard_False; return mySelectingVolumes[myActiveSelectionType / 2]->Overlaps (thePnt, theDepth); } //======================================================================= // function : Overlaps // purpose : Intersection test between defined volume and given point //======================================================================= Standard_Boolean SelectMgr_SelectingVolumeManager::Overlaps (const gp_Pnt& thePnt) { if (myActiveSelectionType == Unknown) return Standard_False; return mySelectingVolumes[myActiveSelectionType / 2]->Overlaps (thePnt); } //======================================================================= // function : Overlaps // purpose : SAT intersection test between defined volume and given // ordered set of points, representing line segments. The test // may be considered of interior part or boundary line defined // by segments depending on given sensitivity type //======================================================================= Standard_Boolean SelectMgr_SelectingVolumeManager::Overlaps (const Handle(TColgp_HArray1OfPnt)& theArrayOfPnts, Standard_Integer theSensType, Standard_Real& theDepth) { if (myActiveSelectionType == Unknown) return Standard_False; return mySelectingVolumes[myActiveSelectionType / 2]->Overlaps (theArrayOfPnts->Array1(), (Select3D_TypeOfSensitivity)theSensType, theDepth); } //======================================================================= // function : Overlaps // purpose : SAT intersection test between defined volume and given // ordered set of points, representing line segments. The test // may be considered of interior part or boundary line defined // by segments depending on given sensitivity type //======================================================================= Standard_Boolean SelectMgr_SelectingVolumeManager::Overlaps (const TColgp_Array1OfPnt& theArrayOfPnts, Standard_Integer theSensType, Standard_Real& theDepth) { if (myActiveSelectionType == Unknown) return Standard_False; return mySelectingVolumes[myActiveSelectionType / 2]->Overlaps (theArrayOfPnts, (Select3D_TypeOfSensitivity)theSensType, theDepth); } //======================================================================= // function : Overlaps // purpose : Checks if line segment overlaps selecting volume //======================================================================= Standard_Boolean SelectMgr_SelectingVolumeManager::Overlaps (const gp_Pnt& thePt1, const gp_Pnt& thePt2, Standard_Real& theDepth) { if (myActiveSelectionType == Unknown) return Standard_False; return mySelectingVolumes[myActiveSelectionType / 2]->Overlaps (thePt1, thePt2, theDepth); } //======================================================================= // function : Overlaps // purpose : SAT intersection test between defined volume and given // triangle. The test may be considered of interior part or // boundary line defined by triangle vertices depending on // given sensitivity type //======================================================================= Standard_Boolean SelectMgr_SelectingVolumeManager::Overlaps (const gp_Pnt& thePt1, const gp_Pnt& thePt2, const gp_Pnt& thePt3, Standard_Integer theSensType, Standard_Real& theDepth) { if (myActiveSelectionType == Unknown) return Standard_False; return mySelectingVolumes[myActiveSelectionType / 2]->Overlaps (thePt1, thePt2, thePt3, (Select3D_TypeOfSensitivity)theSensType, theDepth); } //======================================================================= // function : DistToGeometryCenter // purpose : Measures distance between 3d projection of user-picked // screen point and given point theCOG //======================================================================= Standard_Real SelectMgr_SelectingVolumeManager::DistToGeometryCenter (const gp_Pnt& theCOG) { if (myActiveSelectionType == Unknown) return Standard_False; return mySelectingVolumes[myActiveSelectionType / 2]->DistToGeometryCenter (theCOG); } // ======================================================================= // function : DetectedPoint // purpose : Calculates the point on a view ray that was detected during // the run of selection algo by given depth. Is valid for point // selection only // ======================================================================= gp_Pnt SelectMgr_SelectingVolumeManager::DetectedPoint (const Standard_Real theDepth) const { if (myActiveSelectionType != Point) return gp_Pnt (RealLast(), RealLast(), RealLast()); return mySelectingVolumes[Frustum]->DetectedPoint (theDepth); } //======================================================================= // function : IsClipped // purpose : Checks if the point of sensitive in which selection was // detected belongs to the region defined by clipping planes //======================================================================= Standard_Boolean SelectMgr_SelectingVolumeManager::IsClipped (const Graphic3d_SequenceOfHClipPlane& thePlanes, const Standard_Real& theDepth) { if (myActiveSelectionType != Point) return Standard_False; return mySelectingVolumes[Frustum]->IsClipped (thePlanes, theDepth); } //======================================================================= // function : AllowOverlapDetection // purpose : If theIsToAllow is false, only fully included sensitives will // be detected, otherwise the algorithm will mark both included // and overlapped entities as matched //======================================================================= void SelectMgr_SelectingVolumeManager::AllowOverlapDetection (const Standard_Boolean theIsToAllow) { myToAllowOverlap = theIsToAllow; } //======================================================================= // function : IsOverlapAllowed // purpose : //======================================================================= Standard_Boolean SelectMgr_SelectingVolumeManager::IsOverlapAllowed() const { return myActiveSelectionType != Box || myToAllowOverlap; } //======================================================================= // function : GetVertices // purpose : //======================================================================= const gp_Pnt* SelectMgr_SelectingVolumeManager::GetVertices() const { if (myActiveSelectionType == Polyline) return NULL; const SelectMgr_RectangularFrustum* aFr = reinterpret_cast (mySelectingVolumes[myActiveSelectionType / 2].get()); return aFr->GetVertices(); } //======================================================================= // function : GetNearPickedPnt // purpose : //======================================================================= gp_Pnt SelectMgr_SelectingVolumeManager::GetNearPickedPnt() const { if (myActiveSelectionType == Polyline) return gp_Pnt(); const SelectMgr_RectangularFrustum* aFr = reinterpret_cast (mySelectingVolumes[myActiveSelectionType / 2].get()); return aFr->GetNearPnt(); } //======================================================================= // function : GetFarPickedPnt // purpose : //======================================================================= gp_Pnt SelectMgr_SelectingVolumeManager::GetFarPickedPnt() const { if (myActiveSelectionType == Polyline) return gp_Pnt(); const SelectMgr_RectangularFrustum* aFr = reinterpret_cast (mySelectingVolumes[myActiveSelectionType / 2].get()); return aFr->GetFarPnt(); } //======================================================================= // function : SetViewClipping // purpose : //======================================================================= void SelectMgr_SelectingVolumeManager::SetViewClipping (const Graphic3d_SequenceOfHClipPlane& thePlanes) { if (myActiveSelectionType != Point) return; mySelectingVolumes[Frustum]->SetViewClipping (thePlanes); }