TGLSphere Class Reference

Implements a native ROOT-GL sphere that can be rendered at different levels of detail.

Definition at line 21 of file TGLSphere.h.

Public Member Functions
	TGLSphere (const TBuffer3DSphere &buffer)
	Default ctor. More...
virtual void	DirectDraw (TGLRnrCtx &rnrCtx) const
	Debug tracing. More...
virtual UInt_t	DLOffset (Short_t lod) const
	Return display-list offset for given LOD. More...
virtual Short_t	QuantizeShapeLOD (Short_t shapeLOD, Short_t combiLOD) const
	Factor in scene/viewer LOD and quantize. More...
virtual ELODAxes	SupportedLODAxes () const
Public Member Functions inherited from TGLLogicalShape
	TGLLogicalShape ()
	global flag for usage of display-lists in shapes that use vertex arrays More...
	TGLLogicalShape (const TBuffer3D &buffer)
	Constructor from TBuffer3D. More...
	TGLLogicalShape (TObject *obj)
	Constructor with external object. More...
virtual	~TGLLogicalShape ()
	Destroy logical shape. More...
void	AddRef (TGLPhysicalShape *phys) const
	Add reference to given physical shape. More...
virtual Bool_t	AlwaysSecondarySelect () const
const TGLBoundingBox &	BoundingBox () const
void	DestroyPhysicals ()
	Destroy all physicals attached to this logical. More...
virtual void	DirectDraw (TGLRnrCtx &rnrCtx) const =0
virtual void	DLCacheClear ()
	Clear all entries for all LODs for this drawable from the display list cache but keeping the reserved ids from GL context. More...
virtual void	DLCacheDrop ()
	Drop all entries for all LODs for this drawable from the display list cache, WITHOUT returning the reserved ids to GL context. More...
virtual void	DLCachePurge ()
	Purge all entries for all LODs for this drawable from the display list cache, returning the reserved ids to GL context. More...
virtual UInt_t	DLOffset (Short_t) const
virtual void	Draw (TGLRnrCtx &rnrCtx) const
	Draw the GL drawable, using draw flags. More...
virtual void	DrawHighlight (TGLRnrCtx &rnrCtx, const TGLPhysicalShape *pshp, Int_t lvl=-1) const
	Draw the logical shape in highlight mode. More...
TObject *	GetExternal () const
const TGLPhysicalShape *	GetFirstPhysical () const
TGLScene *	GetScene () const
TObject *	ID () const
virtual Bool_t	IgnoreSizeForOfInterest () const
	Return true if size of this shape should be ignored when determining if the object should be drawn. More...
void	InvokeContextMenu (TContextMenu &menu, UInt_t x, UInt_t y) const
	Invoke popup menu or our bound external TObject (if any), using passed 'menu' object, at location 'x' 'y'. More...
virtual Bool_t	KeepDuringSmartRefresh () const
virtual void	ProcessSelection (TGLRnrCtx &rnrCtx, TGLSelectRecord &rec)
	Virtual method called-back after a secondary selection hit is recorded (see TGLViewer::HandleButton(), Ctrl-Button1). More...
virtual Short_t	QuantizeShapeLOD (Short_t shapeLOD, Short_t combiLOD) const
	Logical shapes usually support only discreet LOD values, especially in view of display-list caching. More...
UInt_t	Ref () const
Bool_t	SetDLCache (Bool_t cached)
	Modify capture of draws into display list cache kTRUE - capture, kFALSE direct draw. More...
virtual Bool_t	ShouldDLCache (const TGLRnrCtx &rnrCtx) const
	Returns kTRUE if draws should be display list cached kFALSE otherwise. More...
void	StrongRef (Bool_t strong) const
void	SubRef (TGLPhysicalShape *phys) const
	Remove reference to given physical shape, potentially deleting this object when hitting zero ref-count (if fRefStrong is true). More...
virtual ELODAxes	SupportedLODAxes () const
virtual Bool_t	SupportsSecondarySelect () const
UInt_t	UnrefFirstPhysical ()
	Unreferenced first physical in the list, returning its id and making it fit for destruction somewhere else. More...
virtual void	UpdateBoundingBox ()
void	UpdateBoundingBoxesOfPhysicals ()
	Update bounding-boxed of all dependent physicals. More...

Private Attributes
Double_t	fRadius

Additional Inherited Members
Public Types inherited from TGLLogicalShape
enum	ELODAxes {   kLODAxesNone = 0 , kLODAxesX = 1 << 0 , kLODAxesY = 1 << 1 , kLODAxesZ = 1 << 2 ,   kLODAxesAll = kLODAxesX | kLODAxesY | kLODAxesZ }
Static Public Member Functions inherited from TGLLogicalShape
static Bool_t	GetIgnoreSizeForCameraInterest ()
	Get state of static fgIgnoreSizeForCameraInterest flag. More...
static void	SetEnvDefaults ()
static void	SetIgnoreSizeForCameraInterest (Bool_t isfci)
	Set state of static fgIgnoreSizeForCameraInterest flag. More...
Protected Member Functions inherited from TGLLogicalShape
void	PurgeDLRange (UInt_t base, Int_t size) const
	External object is a fake. More...
Protected Attributes inherited from TGLLogicalShape
TGLBoundingBox	fBoundingBox
	Also plays the role of ID. More...
UInt_t	fDLBase
	scene where object is stored (can be zero!) More...
Bool_t	fDLCache
	display-list validity bit-field More...
Int_t	fDLSize
	display-list id base More...
UShort_t	fDLValid
	display-list size for different LODs More...
TObject *	fExternalObj
	first replica More...
TGLPhysicalShape *	fFirstPhysical
	physical instance ref counting More...
Bool_t	fOwnExtObj
	Strong ref (delete on 0 ref); not in scene. More...
UInt_t	fRef
Bool_t	fRefStrong
	use display list caching More...
TGLScene *	fScene
	Shape's bounding box. More...
Static Protected Attributes inherited from TGLLogicalShape
static Bool_t	fgIgnoreSizeForCameraInterest = kFALSE
static Bool_t	fgUseDLs = kTRUE
static Bool_t	fgUseDLsForVertArrs = kTRUE
	global flag for usage of display-lists More...

#include <TGLSphere.h>

Inheritance diagram for TGLSphere:

Constructor & Destructor Documentation

TGLSphere()

TGLSphere::TGLSphere

(

const TBuffer3DSphere &

buffer

)

Default ctor.

Definition at line 36 of file TGLSphere.cxx.

Member Function Documentation

DirectDraw()

void TGLSphere::DirectDraw ( TGLRnrCtx &  rnrCtx ) const

virtual

Debug tracing.

Implements TGLLogicalShape.

Definition at line 92 of file TGLSphere.cxx.

DLOffset()

UInt_t TGLSphere::DLOffset ( Short_t  lod ) const

virtual

Return display-list offset for given LOD.

Calculation based on what is done in virtual QuantizeShapeLOD below.

Reimplemented from TGLLogicalShape.

Definition at line 56 of file TGLSphere.cxx.

QuantizeShapeLOD()

Short_t TGLSphere::QuantizeShapeLOD ( Short_t  shapeLOD, Short_t  combiLOD  ) const

virtual

Factor in scene/viewer LOD and quantize.

Reimplemented from TGLLogicalShape.

Definition at line 68 of file TGLSphere.cxx.

SupportedLODAxes()

virtual ELODAxes TGLSphere::SupportedLODAxes ( ) const

inlinevirtual

Reimplemented from TGLLogicalShape.

Definition at line 31 of file TGLSphere.h.

Member Data Documentation

fRadius

Double_t TGLSphere::fRadius

private

Definition at line 24 of file TGLSphere.h.

Libraries for TGLSphere:

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