--- /dev/null
+// 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.
+
+#ifndef _SelectMgr_SelectingVolumeManager_HeaderFile
+#define _SelectMgr_SelectingVolumeManager_HeaderFile
+
+#include <NCollection_Handle.hxx>
+
+#include <Graphic3d_Camera.hxx>
+#include <Graphic3d_SequenceOfHClipPlane.hxx>
+
+#include <SelectMgr_BaseFrustum.hxx>
+#include <SelectMgr_RectangularFrustum.hxx>
+#include <SelectMgr_TriangularFrustumSet.hxx>
+#include <SelectBasics_SelectingVolumeManager.hxx>
+
+//! This class is used to switch between active selecting volumes depending
+//! on selection type chosen by the user
+class SelectMgr_SelectingVolumeManager : public SelectBasics_SelectingVolumeManager
+{
+public:
+
+ //! Creates instances of all available selecting volume types
+ Standard_EXPORT SelectMgr_SelectingVolumeManager (Standard_Boolean theToAllocateFrustums = Standard_True);
+
+ Standard_EXPORT virtual ~SelectMgr_SelectingVolumeManager() {};
+
+ //! Returns a copy of active frustum transformed according to the matrix given
+ Standard_EXPORT virtual SelectMgr_SelectingVolumeManager Transform (const gp_Trsf& theTrsf);
+
+ Standard_EXPORT virtual const Standard_Integer GetActiveSelectionType() const Standard_OVERRIDE;
+
+ Standard_EXPORT void SetActiveSelectionType (const SelectionType& theType);
+
+ //! Updates camera projection and orientation matrices in all selecting volumes
+ Standard_EXPORT void SetCamera (const Handle(Graphic3d_Camera) theCamera);
+
+ //! Updates camera projection and orientation matrices in all selecting volumes
+ Standard_EXPORT void SetCamera (const Graphic3d_Mat4d& theProjection,
+ const Graphic3d_Mat4d& theOrientation,
+ const Standard_Boolean theIsOrthographic);
+
+ //! Updates viewport in all selecting volumes
+ Standard_EXPORT void SetViewport (const Standard_Real theX,
+ const Standard_Real theY,
+ const Standard_Real theWidth,
+ const Standard_Real theHeight);
+
+ //! Updates pixel tolerance in all selecting volumes
+ Standard_EXPORT void SetPixelTolerance (const Standard_Real theTolerance);
+
+ //! Updates window size in all selecting volumes
+ Standard_EXPORT void SetWindowSize (const Standard_Integer theWidth, const Standard_Integer theHeight);
+
+
+ //! Builds rectangular selecting frustum for point selection
+ Standard_EXPORT void BuildSelectingVolume (const gp_Pnt2d& thePoint);
+
+ //! Builds rectangular selecting frustum for box selection
+ Standard_EXPORT void BuildSelectingVolume (const gp_Pnt2d& theMinPt,
+ const gp_Pnt2d& theMaxPt);
+
+ //! Builds set of triangular selecting frustums for polyline selection
+ Standard_EXPORT void BuildSelectingVolume (const TColgp_Array1OfPnt2d& thePoints);
+
+
+ //! SAT intersection test between defined volume and given axis-aligned box
+ Standard_EXPORT virtual const Standard_Boolean Overlaps (const BVH_Box<Standard_Real, 3>& theBndBox,
+ Standard_Real& theDepth) Standard_OVERRIDE;
+
+ //! Returns true if selecting volume is overlapped by axis-aligned bounding box
+ //! with minimum corner at point theMinPt and maximum at point theMaxPt
+ Standard_EXPORT virtual const Standard_Boolean Overlaps (const SelectMgr_Vec3& theMinPt,
+ const SelectMgr_Vec3& theMaxPt) Standard_OVERRIDE;
+
+ //! Intersection test between defined volume and given point
+ Standard_EXPORT virtual const Standard_Boolean Overlaps (const gp_Pnt& thePt,
+ Standard_Real& theDepth) Standard_OVERRIDE;
+
+ //! 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_EXPORT virtual const Standard_Boolean Overlaps (const Handle(TColgp_HArray1OfPnt)& theArrayOfPts,
+ Standard_Integer theSensType,
+ Standard_Real& theDepth) Standard_OVERRIDE;
+
+ //! Checks if line segment overlaps selecting frustum
+ Standard_EXPORT virtual const Standard_Boolean Overlaps (const gp_Pnt& thePt1,
+ const gp_Pnt& thePt2,
+ Standard_Real& theDepth) Standard_OVERRIDE;
+
+ //! 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_EXPORT virtual const Standard_Boolean Overlaps (const gp_Pnt& thePt1,
+ const gp_Pnt& thePt2,
+ const gp_Pnt& thePt3,
+ Standard_Integer theSensType,
+ Standard_Real& theDepth) Standard_OVERRIDE;
+
+
+ //! Measures distance between 3d projection of user-picked
+ //! screen point and given point theCOG
+ Standard_EXPORT virtual const Standard_Real DistToGeometryCenter (const gp_Pnt& theCOG) Standard_OVERRIDE;
+
+ //! 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
+ Standard_EXPORT virtual NCollection_Vec3<Standard_Real> DetectedPoint (const Standard_Real theDepth) const Standard_OVERRIDE;
+
+ //! Checks if the point of sensitive in which selection was detected belongs
+ //! to the region defined by clipping planes
+ Standard_EXPORT virtual const Standard_Boolean IsClipped (const Graphic3d_SequenceOfHClipPlane& thePlanes,
+ const Standard_Real& theDepth);
+
+private:
+ enum { Frustum, FrustumSet, VolumeTypesNb }; //!< Defines the amount of available selecting volumes
+
+ NCollection_Handle<SelectMgr_BaseFrustum> mySelectingVolumes[VolumeTypesNb]; //!< Array of selecting volumes
+};
+
+#endif
projects / occt.git / blobdiff