mirror of
https://git.dev.opencascade.org/repos/occt.git
synced 2025-04-04 18:06:22 +03:00
e9312c0fc2
- misprint in distance calculation in SelectMgr_RectangularFrustum::IsClipped is corrected; - selecting volume manager in clipping check in SelectMgr_ViewerSelector::checkOverlap was replaced ; - added view-defined clipping planes check to SelectMgr_RectangularFrustum; - test case for issue #26973.
443 lines
19 KiB
C++
443 lines
19 KiB
C++
// Created on: 2014-05-22
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// Created by: Varvara POSKONINA
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// Copyright (c) 2005-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#include <SelectMgr_SelectingVolumeManager.hxx>
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//=======================================================================
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// function : SelectMgr_SelectingVolumeManager
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// purpose : Creates instances of all available selecting volume types
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//=======================================================================
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SelectMgr_SelectingVolumeManager::SelectMgr_SelectingVolumeManager (Standard_Boolean theToAllocateFrustums)
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{
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myActiveSelectionType = Unknown;
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myToAllowOverlap = Standard_False;
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if (theToAllocateFrustums)
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{
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mySelectingVolumes[Frustum] = new SelectMgr_RectangularFrustum();
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mySelectingVolumes[FrustumSet] = new SelectMgr_TriangularFrustumSet();
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}
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}
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//=======================================================================
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// function : ScaleAndTransform
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// purpose : IMPORTANT: Scaling makes sense only for frustum built on a single point!
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// Note that this method does not perform any checks on type of the frustum.
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//
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// Returns a copy of the frustum resized according to the scale factor given
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// and transforms it using the matrix given.
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// There are no default parameters, but in case if:
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// - transformation only is needed: @theScaleFactor must be initialized
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// as any negative value;
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// - scale only is needed: @theTrsf must be set to gp_Identity.
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//=======================================================================
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SelectMgr_SelectingVolumeManager SelectMgr_SelectingVolumeManager::ScaleAndTransform (const Standard_Integer theScaleFactor,
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const gp_Trsf& theTrsf)
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{
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SelectMgr_SelectingVolumeManager aMgr (Standard_False);
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if (myActiveSelectionType == Unknown)
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return aMgr;
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aMgr.myActiveSelectionType = myActiveSelectionType;
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aMgr.mySelectingVolumes[myActiveSelectionType / 2]
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= mySelectingVolumes[myActiveSelectionType / 2]->ScaleAndTransform (theScaleFactor, theTrsf);
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aMgr.myToAllowOverlap = myToAllowOverlap;
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return aMgr;
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}
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//=======================================================================
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// function : GetActiveSelectionType
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// purpose :
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//=======================================================================
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Standard_Integer SelectMgr_SelectingVolumeManager::GetActiveSelectionType() const
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{
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return myActiveSelectionType;
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}
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//=======================================================================
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// function : SetActiveSelectionType
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// purpose :
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//=======================================================================
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void SelectMgr_SelectingVolumeManager::SetActiveSelectionType (const SelectionType& theType)
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{
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myActiveSelectionType = theType;
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}
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//=======================================================================
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// function : SetCamera
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// purpose : Updates camera projection and orientation matrices in all
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// selecting volumes
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//=======================================================================
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void SelectMgr_SelectingVolumeManager::SetCamera (const Handle(Graphic3d_Camera) theCamera)
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{
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for (Standard_Integer anIdx = 0; anIdx < VolumeTypesNb; ++anIdx)
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{
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mySelectingVolumes[anIdx]->SetCamera (theCamera);
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}
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}
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//=======================================================================
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// function : SetCamera
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// purpose : Updates camera projection and orientation matrices in all
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// selecting volumes
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//=======================================================================
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void SelectMgr_SelectingVolumeManager::SetCamera (const Graphic3d_Mat4d& theProjection,
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const Graphic3d_Mat4d& theWorldView,
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const Standard_Boolean theIsOrthographic,
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const Graphic3d_WorldViewProjState& theWVPState)
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{
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for (Standard_Integer anIdx = 0; anIdx < VolumeTypesNb; ++anIdx)
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{
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mySelectingVolumes[anIdx]->SetCamera (theProjection, theWorldView, theIsOrthographic, theWVPState);
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}
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}
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//=======================================================================
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// function : ProjectionMatrix
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// purpose : Returns current projection transformation common for all
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// selecting volumes
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//=======================================================================
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const Graphic3d_Mat4d& SelectMgr_SelectingVolumeManager::ProjectionMatrix() const
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{
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return mySelectingVolumes[Frustum]->ProjectionMatrix();
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}
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//=======================================================================
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// function : WorldViewMatrix
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// purpose : Returns current world view transformation common for all
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// selecting volumes
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//=======================================================================
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const Graphic3d_Mat4d& SelectMgr_SelectingVolumeManager::WorldViewMatrix() const
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{
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return mySelectingVolumes[Frustum]->WorldViewMatrix();
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}
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//=======================================================================
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// function : WorldViewProjState
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// purpose : Returns current camera world view projection transformation
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// state common for all selecting volumes
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//=======================================================================
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const Graphic3d_WorldViewProjState& SelectMgr_SelectingVolumeManager::WorldViewProjState() const
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{
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return mySelectingVolumes[Frustum]->WorldViewProjState();
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}
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//=======================================================================
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// function : SetCamera
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// purpose : Updates viewport in all selecting volumes
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//=======================================================================
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void SelectMgr_SelectingVolumeManager::SetViewport (const Standard_Real theX,
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const Standard_Real theY,
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const Standard_Real theWidth,
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const Standard_Real theHeight)
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{
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for (Standard_Integer anIdx = 0; anIdx < VolumeTypesNb; ++anIdx)
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{
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mySelectingVolumes[anIdx]->SetViewport (theX, theY, theWidth, theHeight);
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}
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}
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//=======================================================================
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// function : SetWindowSize
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// purpose : Updates window size in all selecting volumes
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//=======================================================================
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void SelectMgr_SelectingVolumeManager::SetWindowSize (const Standard_Integer theWidth,
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const Standard_Integer theHeight)
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{
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for (Standard_Integer anIdx = 0; anIdx < VolumeTypesNb; ++anIdx)
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{
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mySelectingVolumes[anIdx]->SetWindowSize (theWidth, theHeight);
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}
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}
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//=======================================================================
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// function : SetPixelTolerance
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// purpose : Updates pixel tolerance in all selecting volumes
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//=======================================================================
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void SelectMgr_SelectingVolumeManager::SetPixelTolerance (const Standard_Integer theTolerance)
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{
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for (Standard_Integer anIdx = 0; anIdx < VolumeTypesNb; ++anIdx)
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{
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mySelectingVolumes[anIdx]->SetPixelTolerance (theTolerance);
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}
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}
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//=======================================================================
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// function : BuildSelectingVolume
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// purpose : Builds rectangular selecting frustum for point selection
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//=======================================================================
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void SelectMgr_SelectingVolumeManager::BuildSelectingVolume (const gp_Pnt2d& thePoint)
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{
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if (myActiveSelectionType != Point)
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return;
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mySelectingVolumes[Frustum]->Build (thePoint);
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}
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//=======================================================================
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// function : BuildSelectingVolume
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// purpose : Builds rectangular selecting frustum for box selection
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//=======================================================================
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void SelectMgr_SelectingVolumeManager::BuildSelectingVolume (const gp_Pnt2d& theMinPt,
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const gp_Pnt2d& theMaxPt)
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{
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if (myActiveSelectionType != Box)
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return;
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mySelectingVolumes[Frustum]->Build (theMinPt, theMaxPt);
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}
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//=======================================================================
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// function : BuildSelectingVolume
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// purpose : Builds set of triangular selecting frustums for polyline
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// selection
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//=======================================================================
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void SelectMgr_SelectingVolumeManager::BuildSelectingVolume (const TColgp_Array1OfPnt2d& thePoints)
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{
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if (myActiveSelectionType != Polyline)
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return;
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mySelectingVolumes[FrustumSet]->Build (thePoints);
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}
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//=======================================================================
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// function : Overlaps
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// purpose : SAT intersection test between defined volume and
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// given axis-aligned box
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//=======================================================================
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Standard_Boolean SelectMgr_SelectingVolumeManager::Overlaps (const SelectMgr_Vec3& theBoxMin,
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const SelectMgr_Vec3& theBoxMax,
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Standard_Real& theDepth)
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{
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if (myActiveSelectionType == Unknown)
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return Standard_False;
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return mySelectingVolumes[myActiveSelectionType / 2]->Overlaps (theBoxMin, theBoxMax, theDepth);
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}
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//=======================================================================
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// function : Overlaps
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// purpose : Intersection test between defined volume and given point
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//=======================================================================
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Standard_Boolean SelectMgr_SelectingVolumeManager::Overlaps (const SelectMgr_Vec3& theBoxMin,
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const SelectMgr_Vec3& theBoxMax,
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Standard_Boolean* theInside)
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{
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if (myActiveSelectionType == Unknown)
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return Standard_False;
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return mySelectingVolumes[myActiveSelectionType / 2]->Overlaps (theBoxMin, theBoxMax, theInside);
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}
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//=======================================================================
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// function : Overlaps
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// purpose : Intersection test between defined volume and given point
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//=======================================================================
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Standard_Boolean SelectMgr_SelectingVolumeManager::Overlaps (const gp_Pnt& thePnt,
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Standard_Real& theDepth)
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{
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if (myActiveSelectionType == Unknown)
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return Standard_False;
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return mySelectingVolumes[myActiveSelectionType / 2]->Overlaps (thePnt,
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theDepth);
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}
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//=======================================================================
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// function : Overlaps
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// purpose : Intersection test between defined volume and given point
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//=======================================================================
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Standard_Boolean SelectMgr_SelectingVolumeManager::Overlaps (const gp_Pnt& thePnt)
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{
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if (myActiveSelectionType == Unknown)
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return Standard_False;
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return mySelectingVolumes[myActiveSelectionType / 2]->Overlaps (thePnt);
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}
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//=======================================================================
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// function : Overlaps
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// purpose : SAT intersection test between defined volume and given
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// ordered set of points, representing line segments. The test
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// may be considered of interior part or boundary line defined
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// by segments depending on given sensitivity type
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//=======================================================================
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Standard_Boolean SelectMgr_SelectingVolumeManager::Overlaps (const Handle(TColgp_HArray1OfPnt)& theArrayOfPnts,
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Standard_Integer theSensType,
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Standard_Real& theDepth)
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{
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if (myActiveSelectionType == Unknown)
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return Standard_False;
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return mySelectingVolumes[myActiveSelectionType / 2]->Overlaps (theArrayOfPnts,
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(Select3D_TypeOfSensitivity)theSensType,
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theDepth);
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}
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//=======================================================================
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// function : Overlaps
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// purpose : Checks if line segment overlaps selecting volume
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//=======================================================================
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Standard_Boolean SelectMgr_SelectingVolumeManager::Overlaps (const gp_Pnt& thePt1,
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const gp_Pnt& thePt2,
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Standard_Real& theDepth)
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{
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if (myActiveSelectionType == Unknown)
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return Standard_False;
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return mySelectingVolumes[myActiveSelectionType / 2]->Overlaps (thePt1, thePt2, theDepth);
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}
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//=======================================================================
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// function : Overlaps
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// purpose : SAT intersection test between defined volume and given
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// triangle. The test may be considered of interior part or
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// boundary line defined by triangle vertices depending on
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// given sensitivity type
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//=======================================================================
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Standard_Boolean SelectMgr_SelectingVolumeManager::Overlaps (const gp_Pnt& thePt1,
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const gp_Pnt& thePt2,
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const gp_Pnt& thePt3,
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Standard_Integer theSensType,
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Standard_Real& theDepth)
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{
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if (myActiveSelectionType == Unknown)
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return Standard_False;
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return mySelectingVolumes[myActiveSelectionType / 2]->Overlaps (thePt1,
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thePt2,
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thePt3,
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(Select3D_TypeOfSensitivity)theSensType,
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theDepth);
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}
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//=======================================================================
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// function : DistToGeometryCenter
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// purpose : Measures distance between 3d projection of user-picked
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// screen point and given point theCOG
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//=======================================================================
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Standard_Real SelectMgr_SelectingVolumeManager::DistToGeometryCenter (const gp_Pnt& theCOG)
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{
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if (myActiveSelectionType == Unknown)
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return Standard_False;
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return mySelectingVolumes[myActiveSelectionType / 2]->DistToGeometryCenter (theCOG);
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}
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// =======================================================================
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// function : DetectedPoint
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// purpose : Calculates the point on a view ray that was detected during
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// the run of selection algo by given depth. Is valid for point
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// selection only
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// =======================================================================
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gp_Pnt SelectMgr_SelectingVolumeManager::DetectedPoint (const Standard_Real theDepth) const
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{
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if (myActiveSelectionType != Point)
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return gp_Pnt (RealLast(), RealLast(), RealLast());
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return mySelectingVolumes[Frustum]->DetectedPoint (theDepth);
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}
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//=======================================================================
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// function : IsClipped
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// purpose : Checks if the point of sensitive in which selection was
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// detected belongs to the region defined by clipping planes
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//=======================================================================
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Standard_Boolean SelectMgr_SelectingVolumeManager::IsClipped (const Graphic3d_SequenceOfHClipPlane& thePlanes,
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const Standard_Real& theDepth)
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{
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if (myActiveSelectionType != Point)
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return Standard_False;
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return mySelectingVolumes[Frustum]->IsClipped (thePlanes, theDepth);
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}
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//=======================================================================
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// function : AllowOverlapDetection
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// purpose : If theIsToAllow is false, only fully included sensitives will
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// be detected, otherwise the algorithm will mark both included
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// and overlapped entities as matched
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//=======================================================================
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void SelectMgr_SelectingVolumeManager::AllowOverlapDetection (const Standard_Boolean theIsToAllow)
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{
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myToAllowOverlap = theIsToAllow;
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}
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//=======================================================================
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// function : IsOverlapAllowed
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// purpose :
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//=======================================================================
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Standard_Boolean SelectMgr_SelectingVolumeManager::IsOverlapAllowed() const
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{
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return myActiveSelectionType != Box || myToAllowOverlap;
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}
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//=======================================================================
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// function : GetVertices
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// purpose :
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//=======================================================================
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const gp_Pnt* SelectMgr_SelectingVolumeManager::GetVertices() const
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{
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if (myActiveSelectionType == Polyline)
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return NULL;
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const SelectMgr_RectangularFrustum* aFr =
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reinterpret_cast<const SelectMgr_RectangularFrustum*> (mySelectingVolumes[myActiveSelectionType / 2].get());
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return aFr->GetVertices();
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}
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//=======================================================================
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// function : GetNearPnt
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// purpose :
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//=======================================================================
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gp_Pnt SelectMgr_SelectingVolumeManager::GetNearPnt() const
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{
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if (myActiveSelectionType == Polyline)
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return gp_Pnt();
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const SelectMgr_RectangularFrustum* aFr =
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reinterpret_cast<const SelectMgr_RectangularFrustum*> (mySelectingVolumes[myActiveSelectionType / 2].get());
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return aFr->GetNearPnt();
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}
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//=======================================================================
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// function : GetFarPnt
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// purpose :
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//=======================================================================
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gp_Pnt SelectMgr_SelectingVolumeManager::GetFarPnt() const
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{
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if (myActiveSelectionType == Polyline)
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return gp_Pnt();
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const SelectMgr_RectangularFrustum* aFr =
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reinterpret_cast<const SelectMgr_RectangularFrustum*> (mySelectingVolumes[myActiveSelectionType / 2].get());
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return aFr->GetFarPnt();
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}
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//=======================================================================
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// function : SetViewClipping
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// purpose :
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//=======================================================================
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void SelectMgr_SelectingVolumeManager::SetViewClipping (const Graphic3d_SequenceOfHClipPlane& thePlanes)
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{
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if (myActiveSelectionType != Point)
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return;
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mySelectingVolumes[Frustum]->SetViewClipping (thePlanes);
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}
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