From: vpa <vpa@opencascade.com>
Date: Thu, 16 Jun 2016 11:38:19 +0000 (+0300)
Subject: 0027611: Visualization - provide an interface to access selection frustum center... 
X-Git-Tag: V7_1_0_beta~292
X-Git-Url: http://git.dev.opencascade.org/gitweb/?a=commitdiff_plain;h=21a8e27535f2f8f0a83fe5f9b255412dd520c37a;p=occt-copy.git

0027611: Visualization - provide an interface to access selection frustum center points from SelectBasics level

- getters for rectangular frustum center points were added to SelectBasics_SelectingVolumeManager
---

diff --git a/src/QABugs/QABugs_19.cxx b/src/QABugs/QABugs_19.cxx
index 4903457536..7b31fc9ec9 100644
--- a/src/QABugs/QABugs_19.cxx
+++ b/src/QABugs/QABugs_19.cxx
@@ -4140,8 +4140,8 @@ static Standard_Integer OCC26195 (Draw_Interpretor& theDI, Standard_Integer theA
     aMgr->BuildSelectingVolume (aPxPnt1);
   }
   const gp_Pnt* aVerts = aMgr->GetVertices();
-  gp_Pnt aNearPnt = aMgr->GetNearPnt();
-  gp_Pnt aFarPnt  = aMgr->GetFarPnt();
+  gp_Pnt aNearPnt = aMgr->GetNearPickedPnt();
+  gp_Pnt aFarPnt  = aMgr->GetFarPickedPnt();
   BRepBuilderAPI_MakePolygon aWireBldrs[4];
 
   aWireBldrs[0].Add (gp_Pnt (aVerts[0].X(), aVerts[0].Y(), aVerts[0].Z()));
diff --git a/src/SelectBasics/SelectBasics_SelectingVolumeManager.hxx b/src/SelectBasics/SelectBasics_SelectingVolumeManager.hxx
index d4d40ea982..fc2ef18e10 100644
--- a/src/SelectBasics/SelectBasics_SelectingVolumeManager.hxx
+++ b/src/SelectBasics/SelectBasics_SelectingVolumeManager.hxx
@@ -96,6 +96,18 @@ public:
 
   virtual Standard_Boolean IsOverlapAllowed() const = 0;
 
+  //! Valid only for point and rectangular selection.
+  //! Returns projection of 2d mouse picked point or projection
+  //! of center of 2d rectangle (for point and rectangular selection
+  //! correspondingly) onto near view frustum plane
+  virtual gp_Pnt GetNearPickedPnt() const = 0;
+
+  //! Valid only for point and rectangular selection.
+  //! Returns projection of 2d mouse picked point or projection
+  //! of center of 2d rectangle (for point and rectangular selection
+  //! correspondingly) onto far view frustum plane
+  virtual gp_Pnt GetFarPickedPnt() const = 0;
+
 protected:
   SelectionType myActiveSelectionType;      //!< Active selection type: point, box or polyline
 };
diff --git a/src/SelectMgr/SelectMgr_RectangularFrustum.hxx b/src/SelectMgr/SelectMgr_RectangularFrustum.hxx
index de30a13fa8..4f2a92ff74 100644
--- a/src/SelectMgr/SelectMgr_RectangularFrustum.hxx
+++ b/src/SelectMgr/SelectMgr_RectangularFrustum.hxx
@@ -114,9 +114,15 @@ public:
   //! A set of helper functions that return rectangular selecting frustum data
   inline const gp_Pnt* GetVertices() const { return myVertices; }
 
-  inline gp_Pnt GetNearPnt() const { return myNearPickedPnt; }
-
-  inline gp_Pnt GetFarPnt() const { return myFarPickedPnt; }
+  //! Returns projection of 2d mouse picked point or projection
+  //! of center of 2d rectangle (for point and rectangular selection
+  //! correspondingly) onto near view frustum plane
+  inline const gp_Pnt& GetNearPnt() const { return myNearPickedPnt; }
+
+  //! Returns projection of 2d mouse picked point or projection
+  //! of center of 2d rectangle (for point and rectangular selection
+  //! correspondingly) onto far view frustum plane
+  inline const gp_Pnt& GetFarPnt() const { return myFarPickedPnt; }
 protected:
 
   Standard_EXPORT void segmentSegmentDistance (const gp_Pnt& theSegPnt1,
diff --git a/src/SelectMgr/SelectMgr_SelectingVolumeManager.cxx b/src/SelectMgr/SelectMgr_SelectingVolumeManager.cxx
index 8e975930d5..53406659e1 100644
--- a/src/SelectMgr/SelectMgr_SelectingVolumeManager.cxx
+++ b/src/SelectMgr/SelectMgr_SelectingVolumeManager.cxx
@@ -430,10 +430,10 @@ const gp_Pnt* SelectMgr_SelectingVolumeManager::GetVertices() const
 }
 
 //=======================================================================
-// function : GetNearPnt
+// function : GetNearPickedPnt
 // purpose  :
 //=======================================================================
-gp_Pnt SelectMgr_SelectingVolumeManager::GetNearPnt() const
+gp_Pnt SelectMgr_SelectingVolumeManager::GetNearPickedPnt() const
 {
   if (myActiveSelectionType == Polyline)
     return gp_Pnt();
@@ -444,10 +444,10 @@ gp_Pnt SelectMgr_SelectingVolumeManager::GetNearPnt() const
 }
 
 //=======================================================================
-// function : GetFarPnt
+// function : GetFarPickedPnt
 // purpose  :
 //=======================================================================
-gp_Pnt SelectMgr_SelectingVolumeManager::GetFarPnt() const
+gp_Pnt SelectMgr_SelectingVolumeManager::GetFarPickedPnt() const
 {
   if (myActiveSelectionType == Polyline)
     return gp_Pnt();
diff --git a/src/SelectMgr/SelectMgr_SelectingVolumeManager.hxx b/src/SelectMgr/SelectMgr_SelectingVolumeManager.hxx
index 2900186a5f..9321864a8c 100644
--- a/src/SelectMgr/SelectMgr_SelectingVolumeManager.hxx
+++ b/src/SelectMgr/SelectMgr_SelectingVolumeManager.hxx
@@ -171,9 +171,17 @@ public:
   //! A set of helper functions that return rectangular selecting frustum data
   Standard_EXPORT const gp_Pnt* GetVertices() const;
 
-  Standard_EXPORT gp_Pnt GetNearPnt() const;
-
-  Standard_EXPORT gp_Pnt GetFarPnt() const;
+  //! Valid only for point and rectangular selection.
+  //! Returns projection of 2d mouse picked point or projection
+  //! of center of 2d rectangle (for point and rectangular selection
+  //! correspondingly) onto near view frustum plane
+  Standard_EXPORT virtual gp_Pnt GetNearPickedPnt() const Standard_OVERRIDE;
+
+  //! Valid only for point and rectangular selection.
+  //! Returns projection of 2d mouse picked point or projection
+  //! of center of 2d rectangle (for point and rectangular selection
+  //! correspondingly) onto far view frustum plane
+  Standard_EXPORT virtual gp_Pnt GetFarPickedPnt() const Standard_OVERRIDE;
 
 private:
   enum { Frustum, FrustumSet, VolumeTypesNb };       //!< Defines the amount of available selecting volumes