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Reference Guide
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1 // @(#)root/gl:$Id$
2 // Author: Matevz Tadel, Jun 2007
4 /*************************************************************************
5  * Copyright (C) 1995-2004, Rene Brun and Fons Rademakers. *
6  * All rights reserved. *
7  * *
8  * For the licensing terms see $ROOTSYS/LICENSE. *
9  * For the list of contributors see $ROOTSYS/README/CREDITS. *
10  *************************************************************************/
12 #ifndef ROOT_TGLScenePad
13 #define ROOT_TGLScenePad
15 #include "TGLScene.h"
16 #include "TVirtualViewer3D.h"
17 #include "CsgOps.h"
20 class TGLViewer;
21 class TGLFaceSet;
22 class TList;
25 class TGLScenePad : public TVirtualViewer3D, public TGLScene {
27 private:
28  TGLScenePad(const TGLScenePad&); // Not implemented
29  TGLScenePad& operator=(const TGLScenePad&); // Not implemented
31 protected:
34  // For building via VV3D
35  Bool_t fInternalPIDs; //! using internal physical IDs
36  UInt_t fNextInternalPID; //! next internal physical ID (from 1 - 0 reserved)
37  UInt_t fLastPID; //! last physical ID that was processed in AddObject()
40  Int_t ValidateObjectBuffer(const TBuffer3D& buffer, Bool_t includeRaw) const;
41  TGLLogicalShape* CreateNewLogical(const TBuffer3D & buffer) const;
42  TGLPhysicalShape* CreateNewPhysical(UInt_t physicalID, const TBuffer3D& buffer,
43  const TGLLogicalShape& logical) const;
45  void ComposePolymarker(const TList *padPrimitives);
46  // Composite shape specific
47  typedef std::pair<UInt_t, RootCsg::TBaseMesh*> CSPart_t;
48  mutable TGLFaceSet *fComposite; //! Paritally created composite
50  std::vector<CSPart_t> fCSTokens;
51  RootCsg::TBaseMesh* BuildComposite();
55  Bool_t fSmartRefresh; //! cache logicals during scene rebuilds
57 public:
59  virtual ~TGLScenePad() {}
61  TVirtualPad* GetPad() const { return fPad; }
62  void SetPad(TVirtualPad* p) { fPad = p; }
64  // Histo import and Sub-pad traversal
65  void AddHistoPhysical(TGLLogicalShape* log, const Float_t *histColor = 0);
66  void SubPadPaint(TVirtualPad* pad);
68  // PadPaint wrapper for calls from TGLViewer:
69  virtual void PadPaintFromViewer(TGLViewer* viewer);
71  Bool_t GetSmartRefresh() const { return fSmartRefresh; }
72  void SetSmartRefresh(Bool_t smart_ref) { fSmartRefresh = smart_ref; }
75  // TVirtualViewer3D interface
77  virtual Bool_t CanLoopOnPrimitives() const { return kTRUE; }
78  virtual void PadPaint(TVirtualPad* pad);
79  virtual void ObjectPaint(TObject* obj, Option_t* opt="");
81  // For now handled by viewer
82  virtual Int_t DistancetoPrimitive(Int_t /*px*/, Int_t /*py*/) { return 9999; }
83  virtual void ExecuteEvent(Int_t /*event*/, Int_t /*px*/, Int_t /*py*/) {}
85  virtual Bool_t PreferLocalFrame() const { return kTRUE; }
87  virtual void BeginScene();
88  virtual Bool_t BuildingScene() const { return CurrentLock() == kModifyLock; }
89  virtual void EndScene();
91  virtual Int_t AddObject(const TBuffer3D& buffer, Bool_t* addChildren = 0);
92  virtual Int_t AddObject(UInt_t physicalID, const TBuffer3D& buffer, Bool_t* addChildren = 0);
93  virtual Bool_t OpenComposite(const TBuffer3D& buffer, Bool_t* addChildren = 0);
94  virtual void CloseComposite();
95  virtual void AddCompositeOp(UInt_t operation);
97  ClassDef(TGLScenePad, 0); // GL-scene filled via TPad-TVirtualViewer interface.
98 };
100 #endif
Bool_t fSmartRefresh
Definition: TGLScenePad.h:55
virtual void AddCompositeOp(UInt_t operation)
Add composite operation used to combine objects added via AddObject TVirtualViewer3D interface overlo...
float Float_t
Definition: RtypesCore.h:53
const char Option_t
Definition: RtypesCore.h:62
Bool_t GetSmartRefresh() const
Definition: TGLScenePad.h:71
void ComposePolymarker(const TList *padPrimitives)
virtual ~TGLScenePad()
Definition: TGLScenePad.h:59
Implements a native ROOT-GL representation of an arbitrary set of polygons.
Definition: TGLFaceSet.h:21
void AddHistoPhysical(TGLLogicalShape *log, const Float_t *histColor=0)
Scale and rotate a histo object to mimic placement in canvas.
Definition: TGLScenePad.cxx:75
int Int_t
Definition: RtypesCore.h:41
bool Bool_t
Definition: RtypesCore.h:59
virtual Bool_t OpenComposite(const TBuffer3D &buffer, Bool_t *addChildren=0)
Open new composite container.
virtual Bool_t CanLoopOnPrimitives() const
Definition: TGLScenePad.h:77
TGLScenePad(const TGLScenePad &)
TGLLogicalShape * CreateNewLogical(const TBuffer3D &buffer) const
Create and return a new TGLLogicalShape from the supplied buffer.
Concrete physical shape - a GL drawable.
Int_t fAcceptedPhysicals
last physical ID that was processed in AddObject()
Definition: TGLScenePad.h:38
UInt_t fLastPID
next internal physical ID (from 1 - 0 reserved)
Definition: TGLScenePad.h:37
#define ClassDef(name, id)
Definition: Rtypes.h:320
virtual Bool_t PreferLocalFrame() const
Definition: TGLScenePad.h:85
Abstract 3D shapes viewer.
TVirtualPad is an abstract base class for the Pad and Canvas classes.
Definition: TVirtualPad.h:49
virtual void PadPaintFromViewer(TGLViewer *viewer)
Entry point for requesting update of scene&#39;s contents from gl-viewer.
TGLLogicalShape * AttemptDirectRenderer(TObject *id)
Try to construct an appropriate logical-shape sub-class based on id&#39;class, following convention that ...
A doubly linked list.
Definition: TList.h:44
TGLPhysicalShape * CreateNewPhysical(UInt_t physicalID, const TBuffer3D &buffer, const TGLLogicalShape &logical) const
Create and return a new TGLPhysicalShape with id &#39;ID&#39;, using &#39;buffer&#39; placement information (translat...
virtual Int_t DistancetoPrimitive(Int_t, Int_t)
Computes distance from point (px,py) to the object.
Definition: TGLScenePad.h:82
TVirtualPad * GetPad() const
Definition: TGLScenePad.h:61
virtual void ExecuteEvent(Int_t, Int_t, Int_t)
Execute action corresponding to an event at (px,py).
Definition: TGLScenePad.h:83
unsigned int UInt_t
Definition: RtypesCore.h:42
Int_t ValidateObjectBuffer(const TBuffer3D &buffer, Bool_t includeRaw) const
Validate if the passed &#39;buffer&#39; contains all sections we require to add object.
Implements VirtualViewer3D interface and fills the base-class visualization structures from pad conte...
Definition: TGLScenePad.h:25
ELock CurrentLock() const
Definition: TGLLockable.h:61
Generic 3D primitive description class.
Definition: TBuffer3D.h:17
Base GL viewer object - used by both standalone and embedded (in pad) GL.
Definition: TGLViewer.h:53
TGLFaceSet * fComposite
Definition: TGLScenePad.h:48
virtual void BeginScene()
Start building of the scene.
RootCsg::TBaseMesh * BuildComposite()
Build and return composite shape mesh.
TVirtualPad * fPad
Definition: TGLScenePad.h:32
Abstract logical shape - a GL &#39;drawable&#39; - base for all shapes - faceset sphere etc.
UInt_t fNextInternalPID
using internal physical IDs
Definition: TGLScenePad.h:36
UInt_t fCSLevel
Paritally created composite.
Definition: TGLScenePad.h:49
virtual void CloseComposite()
Close composite container TVirtualViewer3D interface overload - see base/src/TVirtualViewer3D.cxx for description of viewer architecture.
void SubPadPaint(TVirtualPad *pad)
Iterate over pad-primitives and import them.
Mother of all ROOT objects.
Definition: TObject.h:37
TGLScenePad & operator=(const TGLScenePad &)
virtual Bool_t BuildingScene() const
Definition: TGLScenePad.h:88
std::vector< CSPart_t > fCSTokens
Definition: TGLScenePad.h:50
virtual void EndScene()
End building of the scene.
TGLScene provides management and rendering of ROOT&#39;s default 3D /object representation as logical and...
Definition: TGLScene.h:30
void SetSmartRefresh(Bool_t smart_ref)
Definition: TGLScenePad.h:72
std::pair< UInt_t, RootCsg::TBaseMesh * > CSPart_t
Definition: TGLScenePad.h:47
virtual void PadPaint(TVirtualPad *pad)
Entry point for updating scene contents via VirtualViewer3D interface.
void SetPad(TVirtualPad *p)
Definition: TGLScenePad.h:62
virtual Int_t AddObject(const TBuffer3D &buffer, Bool_t *addChildren=0)
Add an object to the viewer, using internal physical IDs TVirtualViewer3D interface overload - see ba...
Bool_t fInternalPIDs
Definition: TGLScenePad.h:35
const Bool_t kTRUE
Definition: RtypesCore.h:87
virtual void ObjectPaint(TObject *obj, Option_t *opt="")
Override of virtual TVirtualViewer3D::ObjectPaint().
double log(double)