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// File: NIS_DrawList.hxx
// Created: 09.07.07 21:37
// Author: Alexander GRIGORIEV
// Copyright: Open Cascade 2007
#ifndef NIS_DrawList_HeaderFile
#define NIS_DrawList_HeaderFile
#include <Handle_NIS_View.hxx>
#include <Handle_NIS_InteractiveObject.hxx>
#include <NCollection_List.hxx>
class NIS_InteractiveContext;
/**
* This macro defines that OpenGL draw lists will be allocated as array of 5
* integers and any of them would not be deleted unless all interactive objects
* in the given drawer are removed.
* When the macro is undefined every draw list is created when needed and it is
* destroyed when there is no objects to show in this draw list.
*/
//#define ARRAY_LISTS
/**
* Implementation of a set of OpenGL draw lists for a given NIS_Drawer and
* given NIS_View. Stored in NIS_Drawer instances.
*/
class NIS_DrawList
{
public:
// ---------- PUBLIC METHODS ----------
/**
* Empty constructor.
*/
Standard_EXPORT NIS_DrawList ();
/**
* Constructor
*/
Standard_EXPORT NIS_DrawList (const Handle_NIS_View& theView);
/**
* Destructor.
*/
Standard_EXPORT virtual ~NIS_DrawList ();
/**
* Query the list corresponding to the given type.
* @param theType
* Integer value coinciding with the enumerated NIS_Drawer:DrawType.
*/
inline Standard_Integer GetListID (const Standard_Integer theType) const
#ifdef ARRAY_LISTS
{ return myListID + theType; }
#else
{ return myListID[theType]; }
#endif
/**
* Set myListID to 0.
* @return
* Previous value of myListID
*/
Standard_EXPORT void ClearListID (const Standard_Integer theType);
/**
* Set myListID to 0.
* @return
* Previous value of myListID
*/
Standard_EXPORT void ClearListID (const Handle_NIS_View& theView=NULL);
/**
* This method is called to start recording a new list. It must be eventually
* followed by EndPrepare.
* @param theType
* Integer value coinciding with the enumerated NIS_Drawer::DrawType.
*/
Standard_EXPORT virtual void BeginPrepare (const Standard_Integer theType);
/**
* This method is called to end recording a new list. It must be preceded
* by BeginPrepare.
* @param theType
* Integer value coinciding with the enumerated NIS_Drawer::DrawType.
*/
Standard_EXPORT virtual void EndPrepare (const Standard_Integer theType);
/**
* Call the previously prepared list when the screen is redrawn.
* @param theType
* Integer value coinciding with the enumerated NIS_Drawer::DrawType.
*/
Standard_EXPORT virtual void Call (const Standard_Integer theType);
/**
* Query if the given list should be prepared again.
* @param theType
* Integer value coinciding with the enumerated NIS_Drawer::DrawType.
*/
inline Standard_Boolean IsUpdated (const Standard_Integer theType) const
{ return myIsUpdated [theType]; }
/**
* Set the flag indicating that the List should be updated (rebuilt).
*/
Standard_EXPORT void SetUpdated (const Standard_Integer theType);
/**
* Query if the given list should be processed by Dynamic Hilighting.
*/
inline const NCollection_List<Handle_NIS_InteractiveObject>&
DynHilightedList() const
{ return myDynHilighted; }
/**
* Query the View.
*/
inline const Handle_NIS_View& GetView () const
{ return myView; }
/**
* Update the list of Dynamically Hilighted entities.
*/
Standard_EXPORT Standard_Boolean SetDynHilighted
(const Standard_Boolean isHilight,
const Handle_NIS_InteractiveObject& theObj);
protected:
// ---------- PROTECTED METHODS ----------
Standard_EXPORT void SetUpdated (const Standard_Integer,
const Standard_Boolean);
#ifdef ARRAY_LISTS
inline void SetListID (const Standard_Integer theID)
{ myListID = theID; }
#endif
private:
// ---------- PRIVATE METHODS (PROHIBITED) ----------
NIS_DrawList (const NIS_DrawList& theOther);
// NIS_DrawList& operator = (const NIS_DrawList& theOther);
private:
// ---------- PRIVATE FIELDS ----------
Handle_NIS_View myView;
#ifdef ARRAY_LISTS
Standard_Integer myListID;
#else
Standard_Integer myListID[5];
#endif
Standard_Boolean myIsUpdated[5];
NCollection_List<Handle_NIS_InteractiveObject> myDynHilighted;
};
#endif
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