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 // Created on: 2017-07-25
 // Created by: Anastasia BOBYLEVA
 // Copyright (c) 2017-2019 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 _AIS_ViewCube_HeaderFile
 #define _AIS_ViewCube_HeaderFile
 
 #include <AIS_InteractiveObject.hxx>
 #include <Graphic3d_Camera.hxx>
 #include <NCollection_Vec2.hxx>
 #include <Standard_TypeDef.hxx>
 #include <Prs3d_DatumParts.hxx>
 #include <Prs3d_ShadingAspect.hxx>
 #include <Prs3d_TextAspect.hxx>
 #include <SelectMgr_EntityOwner.hxx>
 #include <V3d_TypeOfOrientation.hxx>
 #include <Select3D_SensitivePrimitiveArray.hxx>
 
 class AIS_AnimationCamera;
 class AIS_ViewCubeOwner;
 class Graphic3d_ArrayOfTriangles;
 class V3d_View;
 
 //! Interactive object for displaying the view manipulation cube.
 //!
 //! View cube consists of several parts that are responsible for different camera manipulations:
 //! @li Cube sides represent main views: top, bottom, left, right, front and back.
 //! @li Edges represent rotation of one of main views on 45 degrees.
 //! @li Vertices represent rotation of one of man views in two directions.
 //!
 //! The object is expected to behave like a trihedron in the view corner,
 //! therefore its position should be defined using transformation persistence flags:
 //! @code SetTransformPersistence (new Graphic3d_TransformPers (Graphic3d_TMF_TriedronPers,
 //! Aspect_TOTP_LEFT_LOWER, NCollection_Vec2<int> (100, 100)); @endcode
 //!
 //! View Cube parts are sensitive to detection, or dynamic highlighting (but not selection),
 //! and every its owner AIS_ViewCubeOwner corresponds to camera transformation.
 //! @code
 //!   for (aViewCube->StartAnimation (aDetectedOwner); aViewCube->HasAnimation(); )
 //!   {
 //!     aViewCube->UpdateAnimation();
 //!     ... // updating of application window
 //!   }
 //! @endcode
 //! or
 //! @code aViewCube->HandleClick (aDetectedOwner); @endcode
 //! that includes transformation loop.
 //! This loop allows external actions like application updating. For this purpose AIS_ViewCube has
 //! virtual interface onAfterAnimation(), that is to be redefined on application level.
 class AIS_ViewCube : public AIS_InteractiveObject
 {
   DEFINE_STANDARD_RTTIEXT(AIS_ViewCube, AIS_InteractiveObject)
 public:
   //! Return TRUE if specified orientation belongs to box side.
   Standard_EXPORT static bool IsBoxSide(V3d_TypeOfOrientation theOrient);
 
   //! Return TRUE if specified orientation belongs to box edge.
   Standard_EXPORT static bool IsBoxEdge(V3d_TypeOfOrientation theOrient);
 
   //! Return TRUE if specified orientation belongs to box corner (vertex).
   Standard_EXPORT static bool IsBoxCorner(V3d_TypeOfOrientation theOrient);
 
 public:
   //! Empty constructor.
   Standard_EXPORT AIS_ViewCube();
 
   //! Return view animation.
   const occ::handle<AIS_AnimationCamera>& ViewAnimation() const { return myViewAnimation; }
 
   //! Set view animation.
   void SetViewAnimation(const occ::handle<AIS_AnimationCamera>& theAnimation)
   {
     myViewAnimation = theAnimation;
   }
 
   //! Return TRUE if automatic camera transformation on selection (highlighting) is enabled; TRUE by
   //! default.
   bool ToAutoStartAnimation() const { return myToAutoStartAnim; }
 
   //! Enable/disable automatic camera transformation on selection (highlighting).
   //! The automatic logic can be disabled if application wants performing action manually
   //! basing on picking results (AIS_ViewCubeOwner).
   void SetAutoStartAnimation(bool theToEnable) { myToAutoStartAnim = theToEnable; }
 
   //! Return TRUE if camera animation should be done in uninterruptible loop; TRUE by default.
   bool IsFixedAnimationLoop() const { return myIsFixedAnimation; }
 
   //! Set if camera animation should be done in uninterruptible loop.
   void SetFixedAnimationLoop(bool theToEnable) { myIsFixedAnimation = theToEnable; }
 
   //! Reset all size and style parameters to default.
   //! @warning It doesn't reset position of View Cube
   Standard_EXPORT void ResetStyles();
 
 protected:
   //! Set default visual attributes
   Standard_EXPORT void setDefaultAttributes();
 
   //! Set default dynamic highlight properties
   Standard_EXPORT void setDefaultHighlightAttributes();
 
 public: //! @name Geometry management API
   //! @return size (width and height) of View cube sides; 100 by default.
   double Size() const { return mySize; }
 
   //! Sets size (width and height) of View cube sides.
   //! @param theToAdaptAnother if TRUE, then other parameters will be adapted to specified size
   Standard_EXPORT void SetSize(double theValue, bool theToAdaptAnother = true);
 
   //! Return box facet extension to edge/corner facet split; 10 by default.
   double BoxFacetExtension() const { return myBoxFacetExtension; }
 
   //! Set new value of box facet extension.
   void SetBoxFacetExtension(double theValue)
   {
     if (std::abs(myBoxFacetExtension - theValue) > Precision::Confusion())
     {
       myBoxFacetExtension = theValue;
       SetToUpdate();
     }
   }
 
   //! Return padding between axes and 3D part (box); 10 by default.
   double AxesPadding() const { return myAxesPadding; }
 
   //! Set new value of padding between axes and 3D part (box).
   void SetAxesPadding(double theValue)
   {
     if (std::abs(myAxesPadding - theValue) > Precision::Confusion())
     {
       myAxesPadding = theValue;
       SetToUpdate();
     }
   }
 
   //! Return gap between box edges and box sides; 0 by default.
   double BoxEdgeGap() const { return myBoxEdgeGap; }
 
   //! Set new value of box edges gap.
   void SetBoxEdgeGap(double theValue)
   {
     if (std::abs(myBoxEdgeGap - theValue) > Precision::Confusion())
     {
       myBoxEdgeGap = theValue;
       SetToUpdate();
     }
   }
 
   //! Return minimal size of box edge; 2 by default.
   double BoxEdgeMinSize() const { return myBoxEdgeMinSize; }
 
   //! Set new value of box edge minimal size.
   void SetBoxEdgeMinSize(double theValue)
   {
     if (std::abs(myBoxEdgeMinSize - theValue) > Precision::Confusion())
     {
       myBoxEdgeMinSize = theValue;
       SetToUpdate();
     }
   }
 
   //! Return minimal size of box corner; 2 by default.
   double BoxCornerMinSize() const { return myCornerMinSize; }
 
   //! Set new value of box corner minimal size.
   void SetBoxCornerMinSize(double theValue)
   {
     if (std::abs(myCornerMinSize - theValue) > Precision::Confusion())
     {
       myCornerMinSize = theValue;
       SetToUpdate();
     }
   }
 
   //! Return relative radius of side corners (round rectangle); 0.0 by default.
   //! The value in within [0, 0.5] range meaning absolute radius = RoundRadius() / Size().
   double RoundRadius() const { return myRoundRadius; }
 
   //! Set relative radius of View Cube sides corners (round rectangle).
   //! The value should be within [0, 0.5] range.
   Standard_EXPORT void SetRoundRadius(const double theValue);
 
   //! Returns radius of axes of the trihedron; 1.0 by default.
   double AxesRadius() const { return myAxesRadius; }
 
   //! Sets radius of axes of the trihedron.
   void SetAxesRadius(const double theRadius)
   {
     if (std::abs(myAxesRadius - theRadius) > Precision::Confusion())
     {
       myAxesRadius = theRadius;
       SetToUpdate();
     }
   }
 
   //! Returns radius of cone of axes of the trihedron; 3.0 by default.
   double AxesConeRadius() const { return myAxesConeRadius; }
 
   //! Sets radius of cone of axes of the trihedron.
   void SetAxesConeRadius(double theRadius)
   {
     if (std::abs(myAxesConeRadius - theRadius) > Precision::Confusion())
     {
       myAxesConeRadius = theRadius;
       SetToUpdate();
     }
   }
 
   //! Returns radius of sphere (central point) of the trihedron; 4.0 by default.
   double AxesSphereRadius() const { return myAxesSphereRadius; }
 
   //! Sets radius of sphere (central point) of the trihedron.
   void SetAxesSphereRadius(double theRadius)
   {
     if (std::abs(myAxesSphereRadius - theRadius) > Precision::Confusion())
     {
       myAxesSphereRadius = theRadius;
       SetToUpdate();
     }
   }
 
   //! @return TRUE if trihedron is drawn; TRUE by default.
   bool ToDrawAxes() const { return myToDisplayAxes; }
 
   //! Enable/disable drawing of trihedron.
   void SetDrawAxes(bool theValue)
   {
     if (myToDisplayAxes != theValue)
     {
       myToDisplayAxes = theValue;
       SetToUpdate();
     }
   }
 
   //! @return TRUE if edges of View Cube is drawn; TRUE by default.
   bool ToDrawEdges() const { return myToDisplayEdges; }
 
   //! Enable/disable drawing of edges of View Cube.
   void SetDrawEdges(bool theValue)
   {
     if (myToDisplayEdges != theValue)
     {
       myToDisplayEdges = theValue;
       SetToUpdate();
     }
   }
 
   //! Return TRUE if vertices (vertex) of View Cube is drawn; TRUE by default.
   bool ToDrawVertices() const { return myToDisplayVertices; }
 
   //! Enable/disable drawing of vertices (corners) of View Cube.
   void SetDrawVertices(bool theValue)
   {
     if (myToDisplayVertices != theValue)
     {
       myToDisplayVertices = theValue;
       SetToUpdate();
     }
   }
 
   //! Return TRUE if application expects Y-up viewer orientation instead of Z-up; FALSE by default.
   bool IsYup() const { return myIsYup; }
 
   //! Set if application expects Y-up viewer orientation instead of Z-up.
   Standard_EXPORT void SetYup(bool theIsYup, bool theToUpdateLabels = true);
 
 public: //! @name Style management API
   //! Return shading style of box sides.
   const occ::handle<Prs3d_ShadingAspect>& BoxSideStyle() const { return myDrawer->ShadingAspect(); }
 
   //! Return shading style of box edges.
   const occ::handle<Prs3d_ShadingAspect>& BoxEdgeStyle() const { return myBoxEdgeAspect; }
 
   //! Return shading style of box corners.
   const occ::handle<Prs3d_ShadingAspect>& BoxCornerStyle() const { return myBoxCornerAspect; }
 
   //! Return value of front color for the 3D part of object.
   const Quantity_Color& BoxColor() const { return myDrawer->ShadingAspect()->Color(); }
 
   //! Set new value of front color for the 3D part of object.
   //! @param[in] theColor  input color value.
   void SetBoxColor(const Quantity_Color& theColor)
   {
     if (!myDrawer->ShadingAspect()->Color().IsEqual(theColor)
         || !myBoxEdgeAspect->Color().IsEqual(theColor)
         || !myBoxCornerAspect->Color().IsEqual(theColor))
     {
       myDrawer->ShadingAspect()->SetColor(theColor);
       myBoxEdgeAspect->SetColor(theColor);
       myBoxCornerAspect->SetColor(theColor);
       SynchronizeAspects();
     }
   }
 
   //! Return transparency for 3D part of object.
   double BoxTransparency() const { return myDrawer->ShadingAspect()->Transparency(); }
 
   //! Set new value of transparency for 3D part of object.
   //! @param[in] theValue  input transparency value
   void SetBoxTransparency(double theValue)
   {
     if (std::abs(myDrawer->ShadingAspect()->Transparency() - theValue) > Precision::Confusion()
         || std::abs(myBoxEdgeAspect->Transparency() - theValue) > Precision::Confusion()
         || std::abs(myBoxCornerAspect->Transparency() - theValue) > Precision::Confusion())
     {
       myDrawer->ShadingAspect()->SetTransparency(theValue);
       myBoxEdgeAspect->SetTransparency(theValue);
       myBoxCornerAspect->SetTransparency(theValue);
       SynchronizeAspects();
     }
   }
 
   //! Return color of sides back material.
   const Quantity_Color& InnerColor() const
   {
     return myDrawer->ShadingAspect()->Color(Aspect_TOFM_BACK_SIDE);
   }
 
   //! Set color of sides back material. Alias for:
   //! @code Attributes()->ShadingAspect()->Aspect()->ChangeBackMaterial().SetColor() @endcode
   void SetInnerColor(const Quantity_Color& theColor)
   {
     myDrawer->ShadingAspect()->SetColor(theColor, Aspect_TOFM_BACK_SIDE);
     SynchronizeAspects();
   }
 
   //! Return box side label or empty string if undefined.
   //! Default labels: FRONT, BACK, LEFT, RIGHT, TOP, BOTTOM.
   TCollection_AsciiString BoxSideLabel(V3d_TypeOfOrientation theSide) const
   {
     const TCollection_AsciiString* aLabel = myBoxSideLabels.Seek(theSide);
     return aLabel != nullptr ? *aLabel : TCollection_AsciiString();
   }
 
   //! Set box side label.
   void SetBoxSideLabel(const V3d_TypeOfOrientation theSide, const TCollection_AsciiString& theLabel)
   {
     if (!IsBoxSide(theSide))
     {
       throw Standard_ProgramError("AIS_ViewCube::SetBoxSideLabel(), invalid enumeration value");
     }
     myBoxSideLabels.Bind(theSide, theLabel);
     SetToUpdate();
   }
 
   //! Return text color of labels of box sides; BLACK by default.
   const Quantity_Color& TextColor() const { return myDrawer->TextAspect()->Aspect()->Color(); }
 
   //! Set color of text labels on box sides. Alias for:
   //! @code Attributes()->TextAspect()->SetColor() @endcode
   void SetTextColor(const Quantity_Color& theColor)
   {
     myDrawer->TextAspect()->SetColor(theColor);
     SynchronizeAspects();
   }
 
   //! Return font name that is used for displaying of sides and axes text. Alias for:
   //! @code Attributes()->TextAspect()->Aspect()->SetFont() @endcode
   const TCollection_AsciiString& Font() const { return myDrawer->TextAspect()->Aspect()->Font(); }
 
   //! Set font name that is used for displaying of sides and axes text. Alias for:
   //! @code Attributes()->TextAspect()->SetFont() @endcode
   void SetFont(const TCollection_AsciiString& theFont)
   {
     myDrawer->TextAspect()->Aspect()->SetFont(theFont);
     SynchronizeAspects();
   }
 
   //! Return height of font
   double FontHeight() const { return myDrawer->TextAspect()->Height(); }
 
   //! Change font height. Alias for:
   //! @code Attributes()->TextAspect()->SetHeight() @endcode
   void SetFontHeight(double theValue)
   {
     if (std::abs(myDrawer->TextAspect()->Height() - theValue) > Precision::Confusion())
     {
       myDrawer->TextAspect()->SetHeight(theValue);
       SetToUpdate();
     }
   }
 
   //! Return axes labels or empty string if undefined.
   //! Default labels: X, Y, Z.
   TCollection_AsciiString AxisLabel(Prs3d_DatumParts theAxis) const
   {
     const TCollection_AsciiString* aLabel = myAxesLabels.Seek(theAxis);
     return aLabel != nullptr ? *aLabel : TCollection_AsciiString();
   }
 
   //! Set axes labels.
   void SetAxesLabels(const TCollection_AsciiString& theX,
                      const TCollection_AsciiString& theY,
                      const TCollection_AsciiString& theZ)
   {
     myAxesLabels.Bind(Prs3d_DatumParts_XAxis, theX);
     myAxesLabels.Bind(Prs3d_DatumParts_YAxis, theY);
     myAxesLabels.Bind(Prs3d_DatumParts_ZAxis, theZ);
     SetToUpdate();
   }
 
 public:
   //! Set new value of color for the whole object.
   //! @param[in] theColor  input color value.
   void SetColor(const Quantity_Color& theColor) override { SetBoxColor(theColor); }
 
   //! Reset color for the whole object.
   void UnsetColor() override
   {
     myDrawer->ShadingAspect()->SetColor(Quantity_NOC_WHITE);
     myBoxEdgeAspect->SetColor(Quantity_NOC_GRAY30);
     myBoxCornerAspect->SetColor(Quantity_NOC_GRAY30);
     SynchronizeAspects();
   }
 
   //! Set new value of transparency for the whole object.
   //! @param[in] theValue  input transparency value.
   void SetTransparency(const double theValue) override { SetBoxTransparency(theValue); }
 
   //! Reset transparency for the whole object.
   void UnsetTransparency() override { SetBoxTransparency(0.0f); }
 
   //! Sets the material for the interactive object.
   void SetMaterial(const Graphic3d_MaterialAspect& theMat) override
   {
     myDrawer->ShadingAspect()->SetMaterial(theMat);
     myBoxEdgeAspect->SetMaterial(theMat);
     myBoxCornerAspect->SetMaterial(theMat);
     SynchronizeAspects();
   }
 
   //! Sets the material for the interactive object.
   void UnsetMaterial() override
   {
     Graphic3d_MaterialAspect aMat(Graphic3d_NameOfMaterial_UserDefined);
     aMat.SetColor(Quantity_NOC_WHITE);
     aMat.SetAmbientColor(Quantity_NOC_GRAY60);
     myDrawer->ShadingAspect()->SetMaterial(aMat);
     myBoxEdgeAspect->SetMaterial(aMat);
     myBoxEdgeAspect->SetColor(Quantity_NOC_GRAY30);
     myBoxCornerAspect->SetMaterial(aMat);
     myBoxCornerAspect->SetColor(Quantity_NOC_GRAY30);
     SynchronizeAspects();
   }
 
 public: //! @name animation methods
   //! Return duration of animation in seconds; 0.5 sec by default
   Standard_EXPORT double Duration() const;
 
   //! Set duration of animation.
   //! @param[in] theValue  input value of duration in seconds
   Standard_EXPORT void SetDuration(double theValue);
 
   //! Return TRUE if new camera Up direction should be always set to default value for a new camera
   //! Direction; FALSE by default. When this flag is FALSE, the new camera Up will be set as current
   //! Up orthogonalized to the new camera Direction, and will set to default Up on second click.
   bool ToResetCameraUp() const { return myToResetCameraUp; }
 
   //! Set if new camera Up direction should be always set to default value for a new camera
   //! Direction.
   void SetResetCamera(bool theToReset) { myToResetCameraUp = theToReset; }
 
   //! Return TRUE if animation should fit selected objects and FALSE to fit entire scene; TRUE by
   //! default.
   bool ToFitSelected() const { return myToFitSelected; }
 
   //! Set if animation should fit selected objects or to fit entire scene.
   void SetFitSelected(bool theToFitSelected) { myToFitSelected = theToFitSelected; }
 
   //! @return TRUE if View Cube has unfinished animation of view camera.
   Standard_EXPORT bool HasAnimation() const;
 
   //! Start camera transformation corresponding to the input detected owner.
   //! @param[in] theOwner  detected owner.
   Standard_EXPORT virtual void StartAnimation(const occ::handle<AIS_ViewCubeOwner>& theOwner);
 
   //! Perform one step of current camera transformation.
   //! theToUpdate[in]  enable/disable update of view.
   //! @return TRUE if animation is not stopped.
   Standard_EXPORT virtual bool UpdateAnimation(const bool theToUpdate);
 
   //! Perform camera transformation corresponding to the input detected owner.
   Standard_EXPORT virtual void HandleClick(const occ::handle<AIS_ViewCubeOwner>& theOwner);
 
 protected:
   //! Perform internal single step of animation.
   //! @return FALSE if animation has been finished
   Standard_EXPORT bool updateAnimation();
 
   //! Fit selected/all into view.
   //! @param[in] theView  view definition to retrieve scene bounding box
   //! @param theCamera [in,out] camera definition
   Standard_EXPORT virtual void viewFitAll(const occ::handle<V3d_View>&         theView,
                                           const occ::handle<Graphic3d_Camera>& theCamera);
 
 protected: //! @name protected virtual API
   //! Method that is called after one step of transformation.
   virtual void onAfterAnimation() {}
 
   //! Method that is called after transformation finish.
   virtual void onAnimationFinished() {}
 
 public: //! @name Presentation computation
   //! Return TRUE for supported display mode.
   bool AcceptDisplayMode(const int theMode) const override { return theMode == 0; }
 
   //! Global selection has no meaning for this class.
   occ::handle<SelectMgr_EntityOwner> GlobalSelOwner() const override
   {
     return occ::handle<SelectMgr_EntityOwner>();
   }
 
   //! Compute 3D part of View Cube.
   //! @param[in] thePrsMgr  presentation manager.
   //! @param[in] thePrs  input presentation that is to be filled with flat presentation primitives.
   //! @param[in] theMode  display mode.
   //! @warning this object accept only 0 display mode.
   Standard_EXPORT void Compute(const occ::handle<PrsMgr_PresentationManager>& thePrsMgr,
                                const occ::handle<Prs3d_Presentation>&         thePrs,
                                const int                                      theMode = 0) override;
 
   //! Redefine computing of sensitive entities for View Cube.
   //! @param[in] theSelection  input selection object that is to be filled with sensitive entities.
   //! @param[in] theMode  selection mode.
   //! @warning object accepts only 0 selection mode.
   Standard_EXPORT void ComputeSelection(const occ::handle<SelectMgr_Selection>& theSelection,
                                         const int                               theMode) override;
 
   //! Disables auto highlighting to use HilightSelected() and HilightOwnerWithColor() overridden
   //! methods.
   bool IsAutoHilight() const override { return false; }
 
   //! Method which clear all selected owners belonging to this selectable object.
   //! @warning this object does not support selection.
   void ClearSelected() override {}
 
   //! Method which highlights input owner belonging to this selectable object.
   //! @param[in] thePM  presentation manager
   //! @param[in] theStyle  style for dynamic highlighting.
   //! @param[in] theOwner  input entity owner.
   Standard_EXPORT void HilightOwnerWithColor(
     const occ::handle<PrsMgr_PresentationManager>& thePM,
     const occ::handle<Prs3d_Drawer>&               theStyle,
     const occ::handle<SelectMgr_EntityOwner>&      theOwner) override;
 
   //! Method which draws selected owners.
   Standard_EXPORT void HilightSelected(
     const occ::handle<PrsMgr_PresentationManager>&                  thePM,
     const NCollection_Sequence<occ::handle<SelectMgr_EntityOwner>>& theSeq) override;
 
   //! Set default parameters for visual attributes
   //! @sa Attributes()
   void UnsetAttributes() override
   {
     setDefaultAttributes();
     SetToUpdate();
   }
 
   //! Set default parameters for dynamic highlighting attributes, reset highlight attributes
   void UnsetHilightAttributes() override
   {
     myHilightDrawer.Nullify();
     setDefaultHighlightAttributes();
     SetToUpdate();
   }
 
 protected: //! @name Auxiliary classes to fill presentation with proper primitives
   //! Create triangulation for a box part - for presentation and selection purposes.
   //! @param theTris    [in,out] triangulation to fill, or NULL to return size
   //! @param theNbNodes [in,out] should be incremented by a number of nodes defining this
   //! triangulation
   //! @param theNbTris  [in,out] should be incremented by a number of triangles defining this
   //! triangulation
   //! @param[in] theDir      part to define
   Standard_EXPORT virtual void createBoxPartTriangles(
     const occ::handle<Graphic3d_ArrayOfTriangles>& theTris,
     int&                                           theNbNodes,
     int&                                           theNbTris,
     V3d_TypeOfOrientation                          theDir) const;
 
   //! Create triangulation for a box side.
   //! @param theTris    [in,out] triangulation to fill, or NULL to return size
   //! @param theNbNodes [in,out] should be incremented by a number of nodes defining this
   //! triangulation
   //! @param theNbTris  [in,out] should be incremented by a number of triangles defining this
   //! triangulation
   //! @param[in] theDir      part to define
   Standard_EXPORT virtual void createBoxSideTriangles(
     const occ::handle<Graphic3d_ArrayOfTriangles>& theTris,
     int&                                           theNbNodes,
     int&                                           theNbTris,
     V3d_TypeOfOrientation                          theDir) const;
 
   //! Create triangulation for a box edge.
   //! @param theTris    [in,out] triangulation to fill, or NULL to return size
   //! @param theNbNodes [in,out] should be incremented by a number of nodes defining this
   //! triangulation
   //! @param theNbTris  [in,out] should be incremented by a number of triangles defining this
   //! triangulation
   //! @param[in] theDir      part to define
   Standard_EXPORT virtual void createBoxEdgeTriangles(
     const occ::handle<Graphic3d_ArrayOfTriangles>& theTris,
     int&                                           theNbNodes,
     int&                                           theNbTris,
     V3d_TypeOfOrientation                          theDir) const;
 
   //! Create triangulation for a box corner (vertex).
   //! @param theTris    [in,out] triangulation to fill, or NULL to return size
   //! @param theNbNodes [in,out] should be incremented by a number of nodes defining this
   //! triangulation
   //! @param theNbTris  [in,out] should be incremented by a number of triangles defining this
   //! triangulation
   //! @param[in] theDir      part to define
   Standard_EXPORT virtual void createBoxCornerTriangles(
     const occ::handle<Graphic3d_ArrayOfTriangles>& theTris,
     int&                                           theNbNodes,
     int&                                           theNbTris,
     V3d_TypeOfOrientation                          theDir) const;
 
 protected:
   //! Create triangulation for a rectangle with round corners.
   //! @param theTris    [in,out] triangulation to fill, or NULL to return size
   //! @param theNbNodes [in,out] should be incremented by a number of nodes defining this
   //! triangulation
   //! @param theNbTris  [in,out] should be incremented by a number of triangles defining this
   //! triangulation
   //! @param[in] theSize     rectangle dimensions
   //! @param[in] theRadius   radius at corners
   //! @param[in] theTrsf     transformation
   Standard_EXPORT static void createRoundRectangleTriangles(
     const occ::handle<Graphic3d_ArrayOfTriangles>& theTris,
     int&                                           theNbNodes,
     int&                                           theNbTris,
     const gp_XY&                                   theSize,
     double                                         theRadius,
     const gp_Trsf&                                 theTrsf);
 
 protected:
   NCollection_DataMap<V3d_TypeOfOrientation, TCollection_AsciiString>
     myBoxSideLabels; //!< map with box side labels
   NCollection_DataMap<Prs3d_DatumParts, TCollection_AsciiString>
                                    myAxesLabels;      //!< map with axes labels
   occ::handle<Prs3d_ShadingAspect> myBoxEdgeAspect;   //!< style for box edges
   occ::handle<Prs3d_ShadingAspect> myBoxCornerAspect; //!< style for box corner
 
   double mySize;              //!< size of box side, length of one axis
   double myBoxEdgeMinSize;    //!< minimal size of box edge
   double myBoxEdgeGap;        //!< gap between box side and box edge
   double myBoxFacetExtension; //!< box facet extension
   double myAxesPadding;       //!< Padding between box and axes
   // clang-format off
   double                 myAxesRadius;        //!< radius of axes of the trihedron; 1.0 by default
   double                 myAxesConeRadius;    //!< radius of cone of axes of the trihedron; 3.0 by default
   double                 myAxesSphereRadius;  //!< radius of sphere (central point) of the trihedron; 4.0 by default
   double                 myCornerMinSize;     //!< minimal size of box corner
   double                 myRoundRadius;       //!< relative round radius within [0; 0.5] range
   bool              myToDisplayAxes;     //!< trihedron visibility
   bool              myToDisplayEdges;    //!< box edges visibility
   bool              myToDisplayVertices; //!< box corners (vertices) visibility
   bool              myIsYup;             //!< flag indicating that application expects Y-up viewer orientation instead of Z-up
   // clang-format on
 
 protected:                                             //! @name Animation options
   occ::handle<AIS_AnimationCamera> myViewAnimation;    //!< Camera animation object
   occ::handle<Graphic3d_Camera>    myStartState;       //!< Start state of view camera
   occ::handle<Graphic3d_Camera>    myEndState;         //!< End state of view camera
   bool                             myToAutoStartAnim;  //!< start animation automatically on click
   bool                             myIsFixedAnimation; //!< fixed-loop animation
   bool                             myToFitSelected;    //!< fit selected or fit entire scene
   // clang-format off
   bool              myToResetCameraUp;   //!< always reset camera up direction to default
   // clang-format on
 };
 
 //! Redefined entity owner that is highlighted when owner is detected,
 //! even if Interactive Context highlighted on last detection procedure.
 class AIS_ViewCubeOwner : public SelectMgr_EntityOwner
 {
   DEFINE_STANDARD_RTTIEXT(AIS_ViewCubeOwner, SelectMgr_EntityOwner)
 public:
   //! Main constructor.
   AIS_ViewCubeOwner(const occ::handle<AIS_ViewCube>& theObject,
                     V3d_TypeOfOrientation            theOrient,
                     int                              thePriority = 5)
       : SelectMgr_EntityOwner((const occ::handle<SelectMgr_SelectableObject>&)theObject,
                               thePriority),
         myMainOrient(theOrient)
   {
     myFromDecomposition = true;
   }
 
   //! @return TRUE. This owner will always call method
   //! Hilight for its Selectable Object when the owner is detected.
   bool IsForcedHilight() const override { return true; }
 
   //! Return new orientation to set.
   V3d_TypeOfOrientation MainOrientation() const { return myMainOrient; }
 
   //! Handle mouse button click event.
   bool HandleMouseClick(const NCollection_Vec2<int>& thePoint,
                         Aspect_VKeyMouse             theButton,
                         Aspect_VKeyFlags             theModifiers,
                         bool                         theIsDoubleClick) override
   {
     (void)thePoint;
     (void)theButton;
     (void)theModifiers;
     (void)theIsDoubleClick;
     AIS_ViewCube* aCubePrs = dynamic_cast<AIS_ViewCube*>(mySelectable);
     aCubePrs->HandleClick(this);
     return true;
   }
 
 protected:
   V3d_TypeOfOrientation myMainOrient; //!< new orientation to set
 };
 
 //! Simple sensitive element for picking by point only.
 class AIS_ViewCubeSensitive : public Select3D_SensitivePrimitiveArray
 {
   DEFINE_STANDARD_RTTIEXT(AIS_ViewCubeSensitive, Select3D_SensitivePrimitiveArray)
 public:
   //! Constructor.
   Standard_EXPORT AIS_ViewCubeSensitive(const occ::handle<SelectMgr_EntityOwner>&      theOwner,
                                         const occ::handle<Graphic3d_ArrayOfTriangles>& theTris);
 
   //! Checks whether element overlaps current selecting volume.
   Standard_EXPORT bool Matches(SelectBasics_SelectingVolumeManager& theMgr,
                                SelectBasics_PickResult&             thePickResult) override;
 
 protected:
   //! Checks if picking ray can be used for detection.
   Standard_EXPORT bool isValidRay(const SelectBasics_SelectingVolumeManager& theMgr) const;
 };
 
 #endif // _AIS_ViewCube_HeaderFile

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