/usr/include/root/TGLLogicalShape.h is in libroot-graf3d-gl-dev 5.34.19+dfsg-1.2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// Author: Richard Maunder 25/05/2005
/*************************************************************************
* Copyright (C) 1995-2004, Rene Brun and Fons Rademakers. *
* All rights reserved. *
* *
* For the licensing terms see $ROOTSYS/LICENSE. *
* For the list of contributors see $ROOTSYS/README/CREDITS. *
*************************************************************************/
#ifndef ROOT_TGLLogicalShape
#define ROOT_TGLLogicalShape
#ifndef ROOT_TGLBoundingBox
#include "TGLBoundingBox.h"
#endif
class TBuffer3D;
class TObject;
class TContextMenu;
class TGLPhysicalShape;
class TGLRnrCtx;
class TGLSelectRecord;
class TGLViewer;
class TGLSceneBase;
class TGLScene;
class TGLLogicalShape
{
friend class TGLScene;
private:
TGLLogicalShape(const TGLLogicalShape&); // Not implemented.
TGLLogicalShape& operator=(const TGLLogicalShape&); // Not implemented.
public:
enum ELODAxes { kLODAxesNone = 0, // LOD will be set to high or pixel.
kLODAxesX = 1 << 0,
kLODAxesY = 1 << 1,
kLODAxesZ = 1 << 2,
kLODAxesAll = kLODAxesX | kLODAxesY | kLODAxesZ
};
protected:
mutable UInt_t fRef; //! physical instance ref counting
mutable TGLPhysicalShape *fFirstPhysical; //! first replica
TObject *fExternalObj; //! Also plays the role of ID.
TGLBoundingBox fBoundingBox; //! Shape's bounding box.
mutable TGLScene *fScene; //! scene where object is stored (can be zero!)
mutable UInt_t fDLBase; //! display-list id base
mutable Int_t fDLSize; //! display-list size for different LODs
mutable UShort_t fDLValid; //! display-list validity bit-field
mutable Bool_t fDLCache; //! use display list caching
mutable Bool_t fRefStrong; //! Strong ref (delete on 0 ref); not in scene
mutable Bool_t fOwnExtObj; //! External object is a fake
void PurgeDLRange(UInt_t base, Int_t size) const;
static Bool_t fgIgnoreSizeForCameraInterest;
public:
TGLLogicalShape();
TGLLogicalShape(TObject* obj);
TGLLogicalShape(const TBuffer3D & buffer);
virtual ~TGLLogicalShape();
// Physical shape reference-counting, replica management
UInt_t Ref() const { return fRef; }
void AddRef(TGLPhysicalShape* phys) const;
void SubRef(TGLPhysicalShape* phys) const;
void StrongRef(Bool_t strong) const { fRefStrong = strong; }
void DestroyPhysicals();
UInt_t UnrefFirstPhysical();
const TGLPhysicalShape* GetFirstPhysical() const { return fFirstPhysical; }
TObject* ID() const { return fExternalObj; }
TObject* GetExternal() const { return fExternalObj; }
TGLScene* GetScene() const { return fScene; }
const TGLBoundingBox& BoundingBox() const { return fBoundingBox; }
virtual void UpdateBoundingBox() {}
void UpdateBoundingBoxesOfPhysicals();
// Display List Caching
Bool_t SetDLCache(Bool_t cached);
virtual Bool_t ShouldDLCache(const TGLRnrCtx & rnrCtx) const;
virtual UInt_t DLOffset(Short_t /*lod*/) const { return 0; }
virtual void DLCacheClear();
virtual void DLCacheDrop();
virtual void DLCachePurge();
virtual ELODAxes SupportedLODAxes() const { return kLODAxesNone; }
virtual Short_t QuantizeShapeLOD(Short_t shapeLOD, Short_t combiLOD) const;
virtual void Draw(TGLRnrCtx& rnrCtx) const;
virtual void DirectDraw(TGLRnrCtx& rnrCtx) const = 0; // Actual draw method (non DL cached)
virtual void DrawHighlight(TGLRnrCtx& rnrCtx, const TGLPhysicalShape* pshp, Int_t lvl=-1) const;
virtual Bool_t IgnoreSizeForOfInterest() const;
// Override in sub-classes that do direct object rendering (e.g. TGLObject).
virtual Bool_t KeepDuringSmartRefresh() const { return kFALSE; }
// Override in sub-classes that support secondary selection (e.g. TPointSet3DGL).
virtual Bool_t SupportsSecondarySelect() const { return kFALSE; }
virtual Bool_t AlwaysSecondarySelect() const { return kFALSE; }
virtual void ProcessSelection(TGLRnrCtx& rnrCtx, TGLSelectRecord& rec);
void InvokeContextMenu(TContextMenu & menu, UInt_t x, UInt_t y) const;
static Bool_t GetIgnoreSizeForCameraInterest();
static void SetIgnoreSizeForCameraInterest(Bool_t isfci);
ClassDef(TGLLogicalShape,0) // a logical (non-placed, local frame) drawable object
};
#endif // ROOT_TGLLogicalShape
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