/usr/include/root/TVirtualViewer3D.h is in libroot-core-dev 5.34.14-1build1.
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: Olivier Couet 05/10/2004
/*************************************************************************
* 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_TVirtualViewer3D
#define ROOT_TVirtualViewer3D
//////////////////////////////////////////////////////////////////////////
// //
// TVirtualViewer3D //
// //
// Abstract 3D shapes viewer. The concrete implementations are: //
// //
// TViewerX3D : X3d viewer //
// TViewerOpenGL: OpenGL viewer //
// TViewerPad3D : visualise the 3D scene in the current Pad //
// //
//////////////////////////////////////////////////////////////////////////
#ifndef ROOT_Rtypes
#include "Rtypes.h"
#endif
#ifndef ROOT_TObject
#include "TObject.h"
#endif
#ifndef ROOT_TAttFill
#include "TAttFill.h"
#endif
class TBuffer3D;
class TVirtualPad;
class TGLRect;
class TVirtualViewer3D : public TObject
{
public:
virtual ~TVirtualViewer3D() {};
// Viewers must always handle master (absolute) positions - and
// buffer producers must be able to supply them. Some viewers may
// prefer local frame & translation - and producers can optionally
// supply them
virtual Bool_t PreferLocalFrame() const = 0;
// Viewers can implement their own loop over pad's primitive list.
virtual Bool_t CanLoopOnPrimitives() const { return kFALSE; }
// When they can, TPad::Paint() and TPad::PaintModified() simply
// call the following function:
virtual void PadPaint(TVirtualPad*) {}
virtual void ObjectPaint(TObject*, Option_t* = "") {}
// Addition/removal of objects must occur between Begin/EndUpdate calls
virtual void BeginScene() = 0;
virtual Bool_t BuildingScene() const = 0;
virtual void EndScene() = 0;
// Simple object addition - buffer represents a unique single positioned object
virtual Int_t AddObject(const TBuffer3D & buffer, Bool_t * addChildren = 0) = 0;
// Complex object addition - for adding physical objects which have common logical
// shapes. In this case buffer describes template shape (aside from kCore).
virtual Int_t AddObject(UInt_t physicalID, const TBuffer3D & buffer, Bool_t * addChildren = 0) = 0;
virtual Bool_t OpenComposite(const TBuffer3D & buffer, Bool_t * addChildren = 0) = 0;
virtual void CloseComposite() = 0;
virtual void AddCompositeOp(UInt_t operation) = 0;
virtual TObject *SelectObject(Int_t, Int_t){return 0;}
virtual void DrawViewer(){}
virtual void PrintObjects(){}
virtual void ResetCameras(){}
virtual void ResetCamerasAfterNextUpdate(){}
static TVirtualViewer3D *Viewer3D(TVirtualPad *pad = 0, Option_t *type = "");
ClassDef(TVirtualViewer3D,0) // Abstract interface to 3D viewers
};
#endif
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