// Created on: 1995-01-25 // Created by: Jean-Louis Frenkel // Copyright (c) 1995-1999 Matra Datavision // Copyright (c) 1999-2014 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 _PrsMgr_PresentableObject_HeaderFile #define _PrsMgr_PresentableObject_HeaderFile #include #include #include #include #include #include #include #include #include #include #include #include #include #include class PrsMgr_PresentationManager; Standard_DEPRECATED("Deprecated alias to PrsMgr_PresentationManager") typedef PrsMgr_PresentationManager PrsMgr_PresentationManager3d; //! A framework to supply the Graphic3d structure of the object to be presented. //! On the first display request, this structure is created by calling the appropriate algorithm and retaining this framework for further display. //! This abstract framework is inherited in Application Interactive Services (AIS), notably by AIS_InteractiveObject. //! Consequently, 3D presentation should be handled by the relevant daughter classes and their member functions in AIS. //! This is particularly true in the creation of new interactive objects. //! //! Key interface methods to be implemented by every Selectable Object: //! - AcceptDisplayMode() accepting display modes implemented by this object; //! - Compute() computing presentation for the given display mode index. //! //! Warning! Methods managing standard attributes (SetColor(), SetWidth(), SetMaterial()) have different meaning for objects of different type (or no meaning at all). //! Sub-classes might override these methods to modify Prs3d_Drawer or class properties providing a convenient short-cut depending on application needs. //! For more sophisticated configuring, Prs3d_Drawer should be modified directly, while short-cuts might be left unimplemented. class PrsMgr_PresentableObject : public Standard_Transient { DEFINE_STANDARD_RTTIEXT(PrsMgr_PresentableObject, Standard_Transient) friend class PrsMgr_Presentation; friend class PrsMgr_PresentationManager; public: //! Return presentations. PrsMgr_Presentations& Presentations() { return myPresentations; } //! Get ID of Z layer for main presentation. Graphic3d_ZLayerId ZLayer() const { return myDrawer->ZLayer(); } //! Set Z layer ID and update all presentations of the presentable object. //! The layers mechanism allows drawing objects in higher layers in overlay of objects in lower layers. Standard_EXPORT virtual void SetZLayer (const Graphic3d_ZLayerId theLayerId); //! Returns true if object has mutable nature (content or location are be changed regularly). //! Mutable object will be managed in different way than static onces (another optimizations). Standard_Boolean IsMutable() const { return myIsMutable; } //! Sets if the object has mutable nature (content or location will be changed regularly). //! This method should be called before object displaying to take effect. Standard_EXPORT virtual void SetMutable (const Standard_Boolean theIsMutable); //! Returns true if the Interactive Object has display mode setting overriding global setting (within Interactive Context). Standard_Boolean HasDisplayMode() const { return myDrawer->DisplayMode() != -1; } //! Returns the display mode setting of the Interactive Object. //! The range of supported display mode indexes should be specified within object definition and filtered by AccepDisplayMode(). //! @sa AcceptDisplayMode() Standard_Integer DisplayMode() const { return myDrawer->DisplayMode(); } //! Sets the display mode for the interactive object. //! An object can have its own temporary display mode, which is different from that proposed by the interactive context. //! @sa AcceptDisplayMode() void SetDisplayMode (const Standard_Integer theMode) { if (AcceptDisplayMode (theMode)) { myDrawer->SetDisplayMode (theMode); } } //! Removes display mode settings from the interactive object. void UnsetDisplayMode() { myDrawer->SetDisplayMode (-1); } //! Returns true if the Interactive Object is in highlight mode. //! @sa HilightAttributes() Standard_Boolean HasHilightMode() const { return !myHilightDrawer.IsNull() && myHilightDrawer->DisplayMode() != -1; } //! Returns highlight display mode. //! This is obsolete method for backward compatibility - use ::HilightAttributes() and ::DynamicHilightAttributes() instead. //! @sa HilightAttributes() Standard_Integer HilightMode() const { return !myHilightDrawer.IsNull() ? myHilightDrawer->DisplayMode() : -1; } //! Sets highlight display mode. //! This is obsolete method for backward compatibility - use ::HilightAttributes() and ::DynamicHilightAttributes() instead. //! @sa HilightAttributes() Standard_EXPORT void SetHilightMode (const Standard_Integer theMode); //! Unsets highlight display mode. //! @sa HilightAttributes() void UnsetHilightMode() { if (!myHilightDrawer.IsNull()) { myHilightDrawer->SetDisplayMode (-1); } if (!myDynHilightDrawer.IsNull()) { myDynHilightDrawer->SetDisplayMode (-1); } } //! Returns true if the class of objects accepts specified display mode index. //! The interactive context can have a default mode of representation for the set of Interactive Objects. //! This mode may not be accepted by a given class of objects. //! Consequently, this virtual method allowing us to get information about the class in question must be implemented. //! At least one display mode index should be accepted by this method. //! Although subclass can leave default implementation, it is highly desired defining exact list of supported modes instead, //! which is usually an enumeration for one object or objects class sharing similar list of display modes. virtual Standard_Boolean AcceptDisplayMode (const Standard_Integer theMode) const { (void )theMode; return Standard_True; } //! Returns the default display mode. virtual Standard_Integer DefaultDisplayMode() const { return 0; } //! Returns TRUE if any active presentation has invalidation flag. //! @param theToIncludeHidden when TRUE, also checks hidden presentations Standard_EXPORT Standard_Boolean ToBeUpdated (Standard_Boolean theToIncludeHidden = Standard_False) const; //! Flags presentation to be updated; UpdatePresentations() will recompute these presentations. //! @param theMode presentation (display mode) to invalidate, or -1 to invalidate them all Standard_EXPORT void SetToUpdate (Standard_Integer theMode); //! flags all the Presentations to be Updated. void SetToUpdate() { SetToUpdate (-1); } //! Returns true if the interactive object is infinite; FALSE by default. //! This flag affects various operations operating on bounding box of graphic presentations of this object. //! For instance, infinite objects are not taken in account for View FitAll. //! This does not necessarily means that object is actually infinite, //! auxiliary objects might be also marked with this flag to achieve desired behavior. Standard_Boolean IsInfinite() const { return myInfiniteState; } //! Sets if object should be considered as infinite. Standard_EXPORT void SetInfiniteState (const Standard_Boolean theFlag = Standard_True); //! Returns information on whether the object accepts display in HLR mode or not. PrsMgr_TypeOfPresentation3d TypeOfPresentation3d() const { return myTypeOfPresentation3d; } //! Set type of presentation. Standard_EXPORT void SetTypeOfPresentation (const PrsMgr_TypeOfPresentation3d theType); //! Return presentation display status; PrsMgr_DisplayStatus_None by default. PrsMgr_DisplayStatus DisplayStatus() const { return myDisplayStatus; } public: //! @name presentation attributes //! Returns the attributes settings. const Handle(Prs3d_Drawer)& Attributes() const { return myDrawer; } //! Initializes the drawing tool theDrawer. virtual void SetAttributes(const Handle(Prs3d_Drawer)& theDrawer) { myDrawer = theDrawer; } //! Returns the hilight attributes settings. //! When not NULL, overrides both Prs3d_TypeOfHighlight_LocalSelected and Prs3d_TypeOfHighlight_Selected defined within AIS_InteractiveContext::HighlightStyle(). //! @sa AIS_InteractiveContext::HighlightStyle() const Handle(Prs3d_Drawer)& HilightAttributes() const { return myHilightDrawer; } //! Initializes the hilight drawing tool theDrawer. virtual void SetHilightAttributes(const Handle(Prs3d_Drawer)& theDrawer) { myHilightDrawer = theDrawer; } //! Returns the hilight attributes settings. //! When not NULL, overrides both Prs3d_TypeOfHighlight_LocalDynamic and Prs3d_TypeOfHighlight_Dynamic defined within AIS_InteractiveContext::HighlightStyle(). //! @sa AIS_InteractiveContext::HighlightStyle() const Handle(Prs3d_Drawer)& DynamicHilightAttributes() const { return myDynHilightDrawer; } //! Initializes the dynamic hilight drawing tool. virtual void SetDynamicHilightAttributes (const Handle(Prs3d_Drawer)& theDrawer) { myDynHilightDrawer = theDrawer; } //! Clears settings provided by the hilight drawing tool theDrawer. virtual void UnsetHilightAttributes() { myHilightDrawer.Nullify(); } //! Synchronize presentation aspects after their modification. //! //! This method should be called after modifying primitive aspect properties (material, texture, shader) //! so that modifications will take effect on already computed presentation groups (thus avoiding re-displaying the object). Standard_EXPORT void SynchronizeAspects(); public: //! @name object transformation //! Returns Transformation Persistence defining a special Local Coordinate system where this presentable object is located or NULL handle if not defined. //! Position of the object having Transformation Persistence is mutable and depends on camera position. //! The same applies to a bounding box of the object. //! @sa Graphic3d_TransformPers class description const Handle(Graphic3d_TransformPers)& TransformPersistence() const { return myTransformPersistence; } //! Sets up Transform Persistence defining a special Local Coordinate system where this object should be located. //! Note that management of Transform Persistence object is more expensive than of the normal one, //! because it requires its position being recomputed basing on camera position within each draw call / traverse. //! @sa Graphic3d_TransformPers class description Standard_EXPORT virtual void SetTransformPersistence (const Handle(Graphic3d_TransformPers)& theTrsfPers); //! Return the local transformation. //! Note that the local transformation of the object having Transformation Persistence //! is applied within Local Coordinate system defined by this Persistence. const Handle(TopLoc_Datum3D)& LocalTransformationGeom() const { return myLocalTransformation; } //! Sets local transformation to theTransformation. //! Note that the local transformation of the object having Transformation Persistence //! is applied within Local Coordinate system defined by this Persistence. void SetLocalTransformation (const gp_Trsf& theTrsf) { setLocalTransformation (new TopLoc_Datum3D (theTrsf)); } //! Sets local transformation to theTransformation. //! Note that the local transformation of the object having Transformation Persistence //! is applied within Local Coordinate system defined by this Persistence. void SetLocalTransformation (const Handle(TopLoc_Datum3D)& theTrsf) { setLocalTransformation (theTrsf); } //! Returns true if object has a transformation that is different from the identity. Standard_Boolean HasTransformation() const { return !myTransformation.IsNull() && myTransformation->Form() != gp_Identity; } //! Return the transformation taking into account transformation of parent object(s). //! Note that the local transformation of the object having Transformation Persistence //! is applied within Local Coordinate system defined by this Persistence. const Handle(TopLoc_Datum3D)& TransformationGeom() const { return myTransformation; } //! Return the local transformation. //! Note that the local transformation of the object having Transformation Persistence //! is applied within Local Coordinate system defined by this Persistence. const gp_Trsf& LocalTransformation() const { return !myLocalTransformation.IsNull() ? myLocalTransformation->Trsf() : getIdentityTrsf(); } //! Return the transformation taking into account transformation of parent object(s). //! Note that the local transformation of the object having Transformation Persistence //! is applied within Local Coordinate system defined by this Persistence. const gp_Trsf& Transformation() const { return !myTransformation.IsNull() ? myTransformation->Trsf() : getIdentityTrsf(); } //! Return inversed transformation. const gp_GTrsf& InversedTransformation() const { return myInvTransformation; } //! Return combined parent transformation. const Handle(TopLoc_Datum3D)& CombinedParentTransformation() const { return myCombinedParentTransform; } //! resets local transformation to identity. Standard_EXPORT virtual void ResetTransformation(); //! Updates final transformation (parent + local) of presentable object and its presentations. Standard_EXPORT virtual void UpdateTransformation(); public: //! @name clipping planes //! Get clip planes. //! @return set of previously added clip planes for all display mode presentations. const Handle(Graphic3d_SequenceOfHClipPlane)& ClipPlanes() const { return myClipPlanes; } //! Set clip planes for graphical clipping for all display mode presentations. //! The composition of clip planes truncates the rendering space to convex volume. //! Please be aware that number of supported clip plane is limited. //! The planes which exceed the limit are ignored. //! Besides of this, some planes can be already set in view where the object is shown: //! the number of these planes should be subtracted from limit to predict the maximum //! possible number of object clipping planes. Standard_EXPORT virtual void SetClipPlanes (const Handle(Graphic3d_SequenceOfHClipPlane)& thePlanes); //! Adds clip plane for graphical clipping for all display mode //! presentations. The composition of clip planes truncates the rendering //! space to convex volume. Please be aware that number of supported //! clip plane is limited. The planes which exceed the limit are ignored. //! Besides of this, some planes can be already set in view where the object //! is shown: the number of these planes should be subtracted from limit //! to predict the maximum possible number of object clipping planes. //! @param thePlane [in] the clip plane to be appended to map of clip planes. Standard_EXPORT virtual void AddClipPlane (const Handle(Graphic3d_ClipPlane)& thePlane); //! Removes previously added clip plane. //! @param thePlane [in] the clip plane to be removed from map of clip planes. Standard_EXPORT virtual void RemoveClipPlane (const Handle(Graphic3d_ClipPlane)& thePlane); public: //! @name parent/children properties //! Returns parent of current object in scene hierarchy. PrsMgr_PresentableObject* Parent() const { return myParent; } //! Returns children of the current object. const PrsMgr_ListOfPresentableObjects& Children() const { return myChildren; } //! Makes theObject child of current object in scene hierarchy. Standard_EXPORT virtual void AddChild (const Handle(PrsMgr_PresentableObject)& theObject); //! Makes theObject child of current object in scene hierarchy with keeping the current global transformation //! So the object keeps the same position/orientation in the global CS. Standard_EXPORT void AddChildWithCurrentTransformation(const Handle(PrsMgr_PresentableObject)& theObject); //! Removes theObject from children of current object in scene hierarchy. Standard_EXPORT virtual void RemoveChild (const Handle(PrsMgr_PresentableObject)& theObject); //! Removes theObject from children of current object in scene hierarchy with keeping the current global transformation. //! So the object keeps the same position/orientation in the global CS. Standard_EXPORT void RemoveChildWithRestoreTransformation(const Handle(PrsMgr_PresentableObject)& theObject); //! Returns true if object should have own presentations. Standard_Boolean HasOwnPresentations() const { return myHasOwnPresentations; } //! Returns bounding box of object correspondingly to its current display mode. //! This method requires presentation to be already computed, since it relies on bounding box of presentation structures, //! which are supposed to be same/close amongst different display modes of this object. Standard_EXPORT virtual void BoundingBox (Bnd_Box& theBndBox); protected: //! @name interface methods //! Protected empty constructor. Standard_EXPORT PrsMgr_PresentableObject(const PrsMgr_TypeOfPresentation3d aTypeOfPresentation3d = PrsMgr_TOP_AllView); //! Destructor. Standard_EXPORT virtual ~PrsMgr_PresentableObject(); //! Fills the given 3D view presentation for specified display mode using Compute() method. //! In addition, configures other properties of presentation (transformation, clipping planes). //! @param thePrsMgr presentation manager where presentation has been created //! @param thePrs presentation to fill //! @param theMode display mode to compute; can be any number accepted by AcceptDisplayMode() method Standard_EXPORT virtual void Fill (const Handle(PrsMgr_PresentationManager)& thePrsMgr, const Handle(PrsMgr_Presentation)& thePrs, const Standard_Integer theMode); //! Calculates the 3D view presentation for specified display mode. //! This is a key interface for implementing Presentable Object interface. //! @param thePrsMgr presentation manager where presentation has been created //! @param thePrs presentation to fill //! @param theMode display mode to compute; can be any number accepted by AcceptDisplayMode() method //! @sa AcceptDisplayMode() Standard_EXPORT virtual void Compute (const Handle(PrsMgr_PresentationManager)& thePrsMgr, const Handle(Prs3d_Presentation)& thePrs, const Standard_Integer theMode) = 0; //! Calculates hidden line removal presentation for specific camera position. //! Each of the views in the viewer and every modification such as rotation, for example, entails recalculation. //! Default implementation throws Standard_NotImplemented exception //! Warning! The transformation must be applied to the object before computation. //! @param theProjector [in] view orientation //! @param theTrsf [in] additional transformation, or NULL if undefined //! @param thePrs [in] presentation to fill Standard_EXPORT virtual void computeHLR (const Handle(Graphic3d_Camera)& theProjector, const Handle(TopLoc_Datum3D)& theTrsf, const Handle(Prs3d_Presentation)& thePrs); //! Recomputes invalidated presentations of the object. //! @param theToIncludeHidden if TRUE, then even hidden invalidated presentations will be updated //! @return TRUE if some presentations were recomputed Standard_EXPORT Standard_Boolean UpdatePresentations (Standard_Boolean theToIncludeHidden = Standard_False); //! General virtual method for internal update of presentation state //! when some modifications on list of clip planes occurs. Base //! implementation propagate clip planes to every presentation. Standard_EXPORT virtual void UpdateClipping(); //! Sets myCombinedParentTransform to theTransformation. Thus object receives transformation //! from parent node and able to derive its own. Standard_EXPORT virtual void SetCombinedParentTransform (const Handle(TopLoc_Datum3D)& theTrsf); //! Sets local transformation to theTransformation. Standard_EXPORT virtual void setLocalTransformation (const Handle(TopLoc_Datum3D)& theTransformation); //! Return the identity transformation. Standard_EXPORT static const gp_Trsf& getIdentityTrsf(); //! Recompute computed (HLR) presentations (when view is in computed mode). Standard_EXPORT void recomputeComputed() const; //! Replace aspects of existing (computed) presentation groups, //! so that the new aspects can be applied without recomputing presentation. //! It is NOT recommended approach, because user has to fill such map and then search for each occurrence in computed groups. //! The recommended approach is computing presentation with necessary customized aspects, //! and then modify them directly followed by SynchronizeAspects() call. Standard_EXPORT void replaceAspects (const Graphic3d_MapOfAspectsToAspects& theMap); public: //! @name simplified presentation properties API //! Enables or disables on-triangulation build of isolines according to the flag given. void SetIsoOnTriangulation (const Standard_Boolean theIsEnabled) { myDrawer->SetIsoOnTriangulation (theIsEnabled); } //! Returns the current facing model which is in effect. Aspect_TypeOfFacingModel CurrentFacingModel() const { return myCurrentFacingModel; } //! change the current facing model apply on polygons for SetColor(), SetTransparency(), SetMaterial() methods default facing model is Aspect_TOFM_TWO_SIDE. //! This mean that attributes is applying both on the front and back face. void SetCurrentFacingModel (const Aspect_TypeOfFacingModel theModel = Aspect_TOFM_BOTH_SIDE) { myCurrentFacingModel = theModel; } //! Returns true if the Interactive Object has color. Standard_Boolean HasColor() const { return hasOwnColor; } //! Returns the color setting of the Interactive Object. virtual void Color (Quantity_Color& theColor) const { theColor = myDrawer->Color(); } //! Only the interactive object knowns which Drawer attribute is affected by the color, if any //! (ex: for a wire,it's the wireaspect field of the drawer, but for a vertex, only the point aspect field is affected by the color). //! WARNING : Do not forget to set the corresponding fields here (hasOwnColor and myDrawer->SetColor()) virtual void SetColor (const Quantity_Color& theColor) { myDrawer->SetColor (theColor); hasOwnColor = Standard_True; } //! Removes color settings. Only the Interactive Object //! knows which Drawer attribute is affected by the color //! setting. For a wire, for example, wire aspect is the //! attribute affected. For a vertex, however, only point //! aspect is affected by the color setting. virtual void UnsetColor() { hasOwnColor = Standard_False; } //! Returns true if the Interactive Object has width. Standard_Boolean HasWidth() const { return myOwnWidth != 0.0f; } //! Returns the width setting of the Interactive Object. Standard_Real Width() const { return myOwnWidth; } //! Allows you to provide the setting aValue for width. //! Only the Interactive Object knows which Drawer attribute is affected by the width setting. virtual void SetWidth (const Standard_Real theWidth) { myOwnWidth = (Standard_ShortReal )theWidth; } //! Reset width to default value. virtual void UnsetWidth() { myOwnWidth = 0.0f; } //! Returns true if the Interactive Object has a setting for material. Standard_Boolean HasMaterial() const { return hasOwnMaterial; } //! Returns the current material setting as enumeration value. Standard_EXPORT virtual Graphic3d_NameOfMaterial Material() const; //! Sets the material aMat defining this display attribute //! for the interactive object. //! Material aspect determines shading aspect, color and //! transparency of visible entities. Standard_EXPORT virtual void SetMaterial (const Graphic3d_MaterialAspect& aName); //! Removes the setting for material. Standard_EXPORT virtual void UnsetMaterial(); //! Returns true if there is a transparency setting. Standard_Boolean IsTransparent() const { return myDrawer->Transparency() > 0.005f; } //! Returns the transparency setting. //! This will be between 0.0 and 1.0. //! At 0.0 an object will be totally opaque, and at 1.0, fully transparent. virtual Standard_Real Transparency() const { return (myDrawer->Transparency() <= 0.005f ? 0.0 : myDrawer->Transparency()); } //! Attributes a setting aValue for transparency. //! The transparency value should be between 0.0 and 1.0. //! At 0.0 an object will be totally opaque, and at 1.0, fully transparent. //! Warning At a value of 1.0, there may be nothing visible. Standard_EXPORT virtual void SetTransparency (const Standard_Real aValue = 0.6); //! Removes the transparency setting. The object is opaque by default. Standard_EXPORT virtual void UnsetTransparency(); //! Returns Standard_True if has non-null shading aspect Standard_EXPORT virtual Standard_Boolean HasPolygonOffsets() const; //! Retrieves current polygon offsets settings from . Standard_EXPORT virtual void PolygonOffsets (Standard_Integer& aMode, Standard_ShortReal& aFactor, Standard_ShortReal& aUnits) const; //! Sets up polygon offsets for this object. //! @sa Graphic3d_Aspects::SetPolygonOffsets() Standard_EXPORT virtual void SetPolygonOffsets (const Standard_Integer aMode, const Standard_ShortReal aFactor = 1.0, const Standard_ShortReal aUnits = 0.0); //! Clears settings provided by the drawing tool aDrawer. Standard_EXPORT virtual void UnsetAttributes(); //! Dumps the content of me into the stream Standard_EXPORT virtual void DumpJson (Standard_OStream& theOStream, Standard_Integer theDepth = -1) const; public: //! @name deprecated methods //! gives the list of modes which are flagged "to be updated". Standard_DEPRECATED("This method is deprecated - UpdatePresentations() should be called instead") Standard_EXPORT void ToBeUpdated (TColStd_ListOfInteger& ListOfMode) const; //! Get value of the flag "propagate visual state" //! It means that the display/erase/color visual state is propagated automatically to all children; //! by default, the flag is true Standard_Boolean ToPropagateVisualState() const { return myToPropagateVisualState; } //! Change the value of the flag "propagate visual state" void SetPropagateVisualState(const Standard_Boolean theFlag) { myToPropagateVisualState = theFlag; } protected: //! Recomputes all presentations of the object. Standard_DEPRECATED("This method is deprecated - SetToUpdate() + UpdatePresentations() should be called instead") void Update (Standard_Boolean theToIncludeHidden = Standard_False) { SetToUpdate(); UpdatePresentations (theToIncludeHidden); } //! Recomputes the presentation in the given mode. //! @param theMode presentation (display mode) to recompute //! @param theToClearOther when TRUE, other presentations (display modes) will be removed Standard_DEPRECATED("This method is deprecated - SetToUpdate() + UpdatePresentations() should be called instead") Standard_EXPORT void Update (Standard_Integer theMode, Standard_Boolean theToClearOther); protected: PrsMgr_PresentableObject* myParent; //!< pointer to the parent object PrsMgr_Presentations myPresentations; //!< list of presentations Handle(Graphic3d_SequenceOfHClipPlane) myClipPlanes; //!< sequence of object-specific clipping planes Handle(Prs3d_Drawer) myDrawer; //!< main presentation attributes Handle(Prs3d_Drawer) myHilightDrawer; //!< (optional) custom presentation attributes for highlighting selected object Handle(Prs3d_Drawer) myDynHilightDrawer; //!< (optional) custom presentation attributes for highlighting detected object Handle(Graphic3d_TransformPers) myTransformPersistence; //!< transformation persistence Handle(TopLoc_Datum3D) myLocalTransformation; //!< local transformation relative to parent object Handle(TopLoc_Datum3D) myTransformation; //!< absolute transformation of this object (combined parents + local transformations) Handle(TopLoc_Datum3D) myCombinedParentTransform; //!< transformation of parent object (combined for all parents) PrsMgr_ListOfPresentableObjects myChildren; //!< list of children gp_GTrsf myInvTransformation; //!< inversion of absolute transformation (combined parents + local transformations) PrsMgr_TypeOfPresentation3d myTypeOfPresentation3d; //!< presentation type PrsMgr_DisplayStatus myDisplayStatus; //!< presentation display status Aspect_TypeOfFacingModel myCurrentFacingModel; //!< current facing model Standard_ShortReal myOwnWidth; //!< custom width value Standard_Boolean hasOwnColor; //!< own color flag Standard_Boolean hasOwnMaterial; //!< own material flag Standard_Boolean myInfiniteState; //!< infinite flag Standard_Boolean myIsMutable; //!< mutable flag Standard_Boolean myHasOwnPresentations; //!< flag indicating if object should have own presentations Standard_Boolean myToPropagateVisualState; //!< flag indicating if visual state (display/erase/color) should be propagated to all children }; DEFINE_STANDARD_HANDLE(PrsMgr_PresentableObject, Standard_Transient) #endif // _PrsMgr_PresentableObject_HeaderFile