Wrapper class for various misc static functions - error checking, draw helpers etc.

Definition at line 878 of file TGLUtil.h.

Classes
class	TColorLocker

class	TDrawQualityModifier

class	TDrawQualityScaler

Public Types
enum	EAxesType { kAxesNone , kAxesEdge , kAxesOrigin }

enum	ELineHeadShape { kLineHeadNone , kLineHeadArrow , kLineHeadBox }

Public Member Functions
virtual	~TGLUtil ()

virtual TClass *	IsA () const

virtual void	Streamer (TBuffer &)

void	StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)

Static Public Member Functions
static void	BeginAttLine (const TAttLine &aline, Char_t transp, Int_t pick_radius=0, Bool_t selection=kFALSE)
	Setup drawing parameters according to passed TAttLine.

static void	BeginExtendPickRegion (Float_t scale)

static Int_t	CheckError (const char *loc)
	Check current GL error state, outputting details via ROOT Error method if one.

static TClass *	Class ()

static const char *	Class_Name ()

static constexpr Version_t	Class_Version ()

static void	Color (const TGLColor &color)
	Set color from TGLColor.

static void	Color3f (Float_t r, Float_t g, Float_t b)
	Wrapper for glColor3f.

static void	Color3fv (const Float_t *rgb)
	Wrapper for glColor3fv.

static void	Color3ub (UChar_t r, UChar_t g, UChar_t b)
	Wrapper for glColor3ub.

static void	Color3ubv (const UChar_t *rgb)
	Wrapper for glColor3ubv.

static void	Color4f (Float_t r, Float_t g, Float_t b, Float_t a)
	Wrapper for glColor4f.

static void	Color4fv (const Float_t *rgba)
	Wrapper for glColor4fv.

static void	Color4ub (UChar_t r, UChar_t g, UChar_t b, UChar_t a)
	Wrapper for glColor4ub.

static void	Color4ubv (const UChar_t *rgba)
	Wrapper for glColor4ubv.

static void	ColorAlpha (Color_t color_index, Float_t alpha=1)
	Set color from color_index and GL-style alpha (default 1).

static void	ColorAlpha (const TGLColor &color, Float_t alpha)
	Set color from TGLColor and alpha value.

static void	ColorAlpha (const TGLColor &color, UChar_t alpha)
	Set color from TGLColor and alpha value.

static void	ColorTransparency (Color_t color_index, Char_t transparency=0)
	Set color from color_index and ROOT-style transparency (default 0).

static const char *	DeclFileName ()

static void	DrawLine (const TGLLine3 &line, ELineHeadShape head, Double_t size, const UChar_t rgba[4])
	Draw thick line (tube) defined by 'line', with head at end shape 'head' - box/arrow/none, (head) size 'size', color 'rgba'.

static void	DrawLine (const TGLVertex3 &start, const TGLVector3 &vector, ELineHeadShape head, Double_t size, const UChar_t rgba[4])
	Draw thick line (tube) running from 'start', length 'vector', with head at end of shape 'head' - box/arrow/none, (head) size 'size', color 'rgba'.

static void	DrawNumber (const TString &num, const TGLVertex3 &pos, Bool_t center=kFALSE)
	Draw number in string 'num' via internal 8x8-pixel bitmap on vertex 'pos'.

static void	DrawReferenceMarker (const TGLCamera &camera, const TGLVertex3 &pos, Float_t radius=3, const UChar_t *rgba=nullptr)
	Draw a sphere- marker on world-coordinate 'pos' with pixel radius 'radius'.

static void	DrawRing (const TGLVertex3 &center, const TGLVector3 &normal, Double_t radius, const UChar_t *rgba)
	Draw ring, centered on 'center', lying on plane defined by 'center' & 'normal' of outer radius 'radius', color 'rgba'.

static void	DrawSimpleAxes (const TGLCamera &camera, const TGLBoundingBox &bbox, Int_t axesType, Float_t labelScale=1)
	Draw simple xyz-axes for given bounding-box.

static void	DrawSphere (const TGLVertex3 &position, Double_t radius, const UChar_t rgba[4])
	Draw sphere, centered on vertex 'position', with radius 'radius', color 'rgba'.

static void	EndAttLine (Int_t pick_radius=0, Bool_t selection=kFALSE)
	Restore previous line drawing state.

static void	EndExtendPickRegion ()

static UInt_t	GetDefaultDrawQuality ()
	static: get default draw quality

static UInt_t	GetDrawQuality ()
	static: get draw quality

static GLUtesselator *	GetDrawTesselator3dv ()
	Returns a tesselator for direct drawing when using 3-vertices with double precision.

static GLUtesselator *	GetDrawTesselator3fv ()
	Returns a tesselator for direct drawing when using 3-vertices with single precision.

static GLUtesselator *	GetDrawTesselator4dv ()
	Returns a tesselator for direct drawing when using 4-vertices with double precision.

static GLUtesselator *	GetDrawTesselator4fv ()
	Returns a tesselator for direct drawing when using 4-vertices with single precision.

static Float_t	GetLineWidthScale ()
	Returns global line-width scale.

static Int_t	GetPickingRadius ()
	Returns picking radius.

static Float_t	GetPointLineScalingFactor ()
	Return extra scaling factor for points and lines.

static Float_t	GetPointSizeScale ()
	Get global point-size scale.

static Float_t	GetScreenScalingFactor ()
	Returns scaling factor between screen points and GL viewport pixels.

static void	InitializeIfNeeded ()
	Initialize globals that require other libraries to be initialized.

static Bool_t	IsColorLocked ()
	Returns true if color lock-count is greater than 0.

static Float_t	LineWidth ()
	Get the line-width, taking the global scaling into account.

static void	LineWidth (Float_t line_width)
	Set the line-width, taking the global scaling into account.

static UInt_t	LockColor ()
	Prevent further color changes.

static Float_t	PointSize ()
	Get the point-size, taking the global scaling into account.

static void	PointSize (Float_t point_size)
	Set the point-size, taking the global scaling into account.

static void	PointToViewport (Int_t &x, Int_t &y)
	Convert from point/screen coordinates to GL viewport coordinates.

static void	PointToViewport (Int_t &x, Int_t &y, Int_t &w, Int_t &h)
	Convert from point/screen coordinates to GL viewport coordinates.

static void	RenderCrosses (const TAttMarker &marker, const std::vector< Double_t > &points, Double_t dX, Double_t dY, Double_t dZ)
	Render markers as crosses.

static void	RenderCrosses (const TAttMarker &marker, Float_t *p, Int_t n, Bool_t sec_selection=kFALSE)
	Render markers as crosses.

static void	RenderPoints (const TAttMarker &marker, const std::vector< Double_t > &points)
	Render markers as circular or square points.

static void	RenderPoints (const TAttMarker &marker, Float_t *p, Int_t n, Int_t pick_radius=0, Bool_t selection=kFALSE, Bool_t sec_selection=kFALSE)
	Render markers as circular or square points.

static void	RenderPolyLine (const TAttLine &aline, Char_t transp, Float_t *p, Int_t n, Int_t pick_radius=0, Bool_t selection=kFALSE)
	Render poly-line as specified by the p-array.

static void	RenderPolyMarkers (const TAttMarker &marker, Char_t transp, Float_t *p, Int_t n, Int_t pick_radius=0, Bool_t selection=kFALSE, Bool_t sec_selection=kFALSE)
	Render polymarkers at points specified by p-array.

static void	RenderPolyMarkers (const TAttMarker &marker, const std::vector< Double_t > &points, Double_t dX, Double_t dY, Double_t dZ)
	Render polymarkers at points specified by p-array.

static void	ResetDrawQuality ()
	static: reset draw quality

static void	SetDefaultDrawQuality (UInt_t dq)
	static: set default draw quality

static void	SetDrawColors (const UChar_t rgba[4])
	Set basic draw colors from 4 component 'rgba' Used by other TGLUtil drawing routines.

static void	SetDrawQuality (UInt_t dq)
	static: set draw quality

static void	SetLineWidthScale (Float_t scale)
	Set global line-width scale.

static void	SetPointSizeScale (Float_t scale)
	Set global point-size scale.

static void	SetSimpleAxisBBoxScale (Float_t s)

static void	SetSimpleAxisWidthScale (Float_t s)

static UInt_t	UnlockColor ()
	Allow color changes.

Static Public Attributes
static const UChar_t	fgBlue [4] = { 0, 0, 230, 255 }

static const UChar_t	fgGreen [4] = { 0, 230, 0, 255 }

static const UChar_t	fgGrey [4] = { 128, 128, 128, 100 }

static const UChar_t	fgRed [4] = { 230, 0, 0, 255 }

static const UChar_t	fgWhite [4] = { 255, 255, 255, 255 }

static const UChar_t	fgYellow [4] = { 210, 210, 0, 255 }

Private Member Functions
	TGLUtil (const TGLUtil &)=delete

TGLUtil &	operator= (const TGLUtil &)=delete

Static Private Attributes
static UInt_t	fgColorLockCount = 0

static UInt_t	fgDefaultDrawQuality = 10

static UInt_t	fgDrawQuality = fgDefaultDrawQuality

static Float_t	fgLineWidth = 1.0f

static Float_t	fgLineWidthScale = 1.0f

static Int_t	fgPickingRadius = 1

static Float_t	fgPointLineScalingFactor = 1.0f

static Float_t	fgPointSize = 1.0f

static Float_t	fgPointSizeScale = 1.0f

static Float_t	fgScreenScalingFactor = 1.0f

static Float_t	fgSimpleAxisBBoxScale = 1.0f

static Float_t	fgSimpleAxisWidthScale = 1.0f

#include <TGLUtil.h>

Member Enumeration Documentation

◆ EAxesType

enum TGLUtil::EAxesType

Enumerator
kAxesNone
kAxesEdge
kAxesOrigin

Definition at line 952 of file TGLUtil.h.

◆ ELineHeadShape

enum TGLUtil::ELineHeadShape

Enumerator
kLineHeadNone
kLineHeadArrow
kLineHeadBox

Definition at line 951 of file TGLUtil.h.

Constructor & Destructor Documentation

◆ TGLUtil()

TGLUtil::TGLUtil ( const TGLUtil & )

privatedelete

◆ ~TGLUtil()

virtual TGLUtil::~TGLUtil ( )

inlinevirtual

Definition at line 938 of file TGLUtil.h.

Member Function Documentation

◆ BeginAttLine()

void TGLUtil::BeginAttLine	(	const TAttLine &	aline,
		Char_t	transp,
		Int_t	pick_radius = `0`,
		Bool_t	selection = `kFALSE`
	)

static

Setup drawing parameters according to passed TAttLine.

Definition at line 2272 of file TGLUtil.cxx.

◆ BeginExtendPickRegion()

void TGLUtil::BeginExtendPickRegion ( Float_t scale )

static

Definition at line 1952 of file TGLUtil.cxx.

◆ CheckError()

Int_t TGLUtil::CheckError ( const char * loc )

static

Check current GL error state, outputting details via ROOT Error method if one.

Definition at line 1646 of file TGLUtil.cxx.

◆ Class()

static TClass * TGLUtil::Class ( )

static

Returns: TClass describing this class

◆ Class_Name()

static const char * TGLUtil::Class_Name ( )

static

Returns: Name of this class

◆ Class_Version()

static constexpr Version_t TGLUtil::Class_Version ( )

inlinestaticconstexpr

Returns: Version of this class

Definition at line 1063 of file TGLUtil.h.

◆ Color()

void TGLUtil::Color ( const TGLColor & color )

static

Set color from TGLColor.

Definition at line 1697 of file TGLUtil.cxx.

◆ Color3f()

void TGLUtil::Color3f	(	Float_t	r,
		Float_t	g,
		Float_t	b
	)

static

Wrapper for glColor3f.

Definition at line 1787 of file TGLUtil.cxx.

◆ Color3fv()

void TGLUtil::Color3fv ( const Float_t * rgb )

static

Wrapper for glColor3fv.

Definition at line 1803 of file TGLUtil.cxx.

◆ Color3ub()

void TGLUtil::Color3ub	(	UChar_t	r,
		UChar_t	g,
		UChar_t	b
	)

static

Wrapper for glColor3ub.

Definition at line 1755 of file TGLUtil.cxx.

◆ Color3ubv()

void TGLUtil::Color3ubv ( const UChar_t * rgb )

static

Wrapper for glColor3ubv.

Definition at line 1771 of file TGLUtil.cxx.

◆ Color4f()

void TGLUtil::Color4f	(	Float_t	r,
		Float_t	g,
		Float_t	b,
		Float_t	a
	)

static

Wrapper for glColor4f.

Definition at line 1795 of file TGLUtil.cxx.

◆ Color4fv()

void TGLUtil::Color4fv ( const Float_t * rgba )

static

Wrapper for glColor4fv.

Definition at line 1811 of file TGLUtil.cxx.

◆ Color4ub()

void TGLUtil::Color4ub	(	UChar_t	r,
		UChar_t	g,
		UChar_t	b,
		UChar_t	a
	)

static

Wrapper for glColor4ub.

Definition at line 1763 of file TGLUtil.cxx.

◆ Color4ubv()

void TGLUtil::Color4ubv ( const UChar_t * rgba )

static

Wrapper for glColor4ubv.

Definition at line 1779 of file TGLUtil.cxx.

◆ ColorAlpha() [1/3]

void TGLUtil::ColorAlpha	(	Color_t	color_index,
		Float_t	alpha = `1`
	)

static

Set color from color_index and GL-style alpha (default 1).

Definition at line 1727 of file TGLUtil.cxx.

◆ ColorAlpha() [2/3]

void TGLUtil::ColorAlpha	(	const TGLColor &	color,
		Float_t	alpha
	)

static

Set color from TGLColor and alpha value.

Definition at line 1716 of file TGLUtil.cxx.

◆ ColorAlpha() [3/3]

void TGLUtil::ColorAlpha	(	const TGLColor &	color,
		UChar_t	alpha
	)

static

Set color from TGLColor and alpha value.

Definition at line 1705 of file TGLUtil.cxx.

◆ ColorTransparency()

void TGLUtil::ColorTransparency	(	Color_t	color_index,
		Char_t	transparency = `0`
	)

static

Set color from color_index and ROOT-style transparency (default 0).

Definition at line 1741 of file TGLUtil.cxx.

◆ DeclFileName()

static const char * TGLUtil::DeclFileName ( )

inlinestatic

Returns: Name of the file containing the class declaration

Definition at line 1063 of file TGLUtil.h.

◆ DrawLine() [1/2]

void TGLUtil::DrawLine	(	const TGLLine3 &	line,
		ELineHeadShape	head,
		Double_t	size,
		const UChar_t	rgba[4]
	)

static

Draw thick line (tube) defined by 'line', with head at end shape 'head' - box/arrow/none, (head) size 'size', color 'rgba'.

Definition at line 2372 of file TGLUtil.cxx.

◆ DrawLine() [2/2]

void TGLUtil::DrawLine	(	const TGLVertex3 &	start,
		const TGLVector3 &	vector,
		ELineHeadShape	head,
		Double_t	size,
		const UChar_t	rgba[4]
	)

static

Draw thick line (tube) running from 'start', length 'vector', with head at end of shape 'head' - box/arrow/none, (head) size 'size', color 'rgba'.

Definition at line 2383 of file TGLUtil.cxx.

◆ DrawNumber()

void TGLUtil::DrawNumber	(	const TString &	num,
		const TGLVertex3 &	pos,
		Bool_t	center = `kFALSE`
	)

static

Draw number in string 'num' via internal 8x8-pixel bitmap on vertex 'pos'.

If 'center' is true, the number is centered on 'pos'. Only numbers, '.', '-' and ' ' are supported.

Definition at line 2637 of file TGLUtil.cxx.

◆ DrawReferenceMarker()

void TGLUtil::DrawReferenceMarker	(	const TGLCamera &	camera,
		const TGLVertex3 &	pos,
		Float_t	radius = `3`,
		const UChar_t *	rgba = `nullptr`
	)

static

Draw a sphere- marker on world-coordinate 'pos' with pixel radius 'radius'.

Color argument is optional.

Definition at line 2479 of file TGLUtil.cxx.

◆ DrawRing()

void TGLUtil::DrawRing	(	const TGLVertex3 &	center,
		const TGLVector3 &	normal,
		Double_t	radius,
		const UChar_t *	rgba
	)

static

Draw ring, centered on 'center', lying on plane defined by 'center' & 'normal' of outer radius 'radius', color 'rgba'.

Definition at line 2438 of file TGLUtil.cxx.

◆ DrawSimpleAxes()

void TGLUtil::DrawSimpleAxes	(	const TGLCamera &	camera,
		const TGLBoundingBox &	bbox,
		Int_t	axesType,
		Float_t	labelScale = `1`
	)

static

Draw simple xyz-axes for given bounding-box.

Definition at line 2494 of file TGLUtil.cxx.

◆ DrawSphere()

void TGLUtil::DrawSphere	(	const TGLVertex3 &	position,
		Double_t	radius,
		const UChar_t	rgba[4]
	)

static

Draw sphere, centered on vertex 'position', with radius 'radius', color 'rgba'.

Definition at line 2357 of file TGLUtil.cxx.

◆ EndAttLine()

void TGLUtil::EndAttLine	(	Int_t	pick_radius = `0`,
		Bool_t	selection = `kFALSE`
	)

static

Restore previous line drawing state.

Definition at line 2308 of file TGLUtil.cxx.

◆ EndExtendPickRegion()

void TGLUtil::EndExtendPickRegion ( )

static

Definition at line 1967 of file TGLUtil.cxx.

◆ GetDefaultDrawQuality()

UInt_t TGLUtil::GetDefaultDrawQuality ( )

static

static: get default draw quality

Definition at line 1629 of file TGLUtil.cxx.

◆ GetDrawQuality()

UInt_t TGLUtil::GetDrawQuality ( )

static

static: get draw quality

Definition at line 1605 of file TGLUtil.cxx.

◆ GetDrawTesselator3dv()

GLUtesselator * TGLUtil::GetDrawTesselator3dv ( )

static

Returns a tesselator for direct drawing when using 3-vertices with double precision.

Definition at line 1540 of file TGLUtil.cxx.

◆ GetDrawTesselator3fv()

GLUtesselator * TGLUtil::GetDrawTesselator3fv ( )

static

Returns a tesselator for direct drawing when using 3-vertices with single precision.

Definition at line 1498 of file TGLUtil.cxx.

◆ GetDrawTesselator4dv()

GLUtesselator * TGLUtil::GetDrawTesselator4dv ( )

static

Returns a tesselator for direct drawing when using 4-vertices with double precision.

Definition at line 1561 of file TGLUtil.cxx.

◆ GetDrawTesselator4fv()

GLUtesselator * TGLUtil::GetDrawTesselator4fv ( )

static

Returns a tesselator for direct drawing when using 4-vertices with single precision.

Definition at line 1519 of file TGLUtil.cxx.

◆ GetLineWidthScale()

Float_t TGLUtil::GetLineWidthScale ( )

static

Returns global line-width scale.

Definition at line 1899 of file TGLUtil.cxx.

◆ GetPickingRadius()

Int_t TGLUtil::GetPickingRadius ( )

static

Returns picking radius.

Definition at line 1871 of file TGLUtil.cxx.

◆ GetPointLineScalingFactor()

Float_t TGLUtil::GetPointLineScalingFactor ( )

static

Return extra scaling factor for points and lines.

By default this is set to the same value as ScreenScalingFactor to keep the same appearance. To override use rootrc entry, e.g.: OpenGL.PointLineScalingFactor: 1.0

Definition at line 1863 of file TGLUtil.cxx.

◆ GetPointSizeScale()

Float_t TGLUtil::GetPointSizeScale ( )

static

Get global point-size scale.

Definition at line 1883 of file TGLUtil.cxx.

◆ GetScreenScalingFactor()

Float_t TGLUtil::GetScreenScalingFactor ( )

static

Returns scaling factor between screen points and GL viewport pixels.

This is what is returned by gVirtualX->GetOpenGLScalingFactor() but is cached here to avoid a virtual function call as it is used quite often in TGLPhysical shape when drawing the selection highlight.

Definition at line 1852 of file TGLUtil.cxx.

◆ InitializeIfNeeded()

void TGLUtil::InitializeIfNeeded ( )

static

Initialize globals that require other libraries to be initialized.

This is called from TGLWidget creation function.

Definition at line 1582 of file TGLUtil.cxx.

◆ IsA()

virtual TClass * TGLUtil::IsA ( ) const

inlinevirtual

Returns: TClass describing current object

Definition at line 1063 of file TGLUtil.h.

◆ IsColorLocked()

Bool_t TGLUtil::IsColorLocked ( )

static

Returns true if color lock-count is greater than 0.

Definition at line 1689 of file TGLUtil.cxx.

◆ LineWidth() [1/2]

Float_t TGLUtil::LineWidth ( )

static

Get the line-width, taking the global scaling into account.

Definition at line 1943 of file TGLUtil.cxx.

◆ LineWidth() [2/2]

void TGLUtil::LineWidth ( Float_t line_width )

static

Set the line-width, taking the global scaling into account.

Wrapper for glLineWidth.

Definition at line 1926 of file TGLUtil.cxx.

◆ LockColor()

UInt_t TGLUtil::LockColor ( )

static

Prevent further color changes.

Definition at line 1669 of file TGLUtil.cxx.

◆ operator=()

TGLUtil & TGLUtil::operator= ( const TGLUtil & )

privatedelete

◆ PointSize() [1/2]

Float_t TGLUtil::PointSize ( )

static

Get the point-size, taking the global scaling into account.

Definition at line 1935 of file TGLUtil.cxx.

◆ PointSize() [2/2]

void TGLUtil::PointSize ( Float_t point_size )

static

Set the point-size, taking the global scaling into account.

Wrapper for glPointSize.

Definition at line 1916 of file TGLUtil.cxx.

◆ PointToViewport() [1/2]

void TGLUtil::PointToViewport	(	Int_t &	x,
		Int_t &	y
	)

static

Convert from point/screen coordinates to GL viewport coordinates.

Definition at line 1823 of file TGLUtil.cxx.

◆ PointToViewport() [2/2]

void TGLUtil::PointToViewport	(	Int_t &	x,
		Int_t &	y,
		Int_t &	w,
		Int_t &	h
	)

static

Convert from point/screen coordinates to GL viewport coordinates.

Definition at line 1835 of file TGLUtil.cxx.

◆ RenderCrosses() [1/2]

void TGLUtil::RenderCrosses	(	const TAttMarker &	marker,
		const std::vector< Double_t > &	points,
		Double_t	dX,
		Double_t	dY,
		Double_t	dZ
	)

static

Render markers as crosses.

Color is never changed.

Definition at line 2214 of file TGLUtil.cxx.

◆ RenderCrosses() [2/2]

void TGLUtil::RenderCrosses	(	const TAttMarker &	marker,
		Float_t *	op,
		Int_t	n,
		Bool_t	sec_selection = `kFALSE`
	)

static

Render markers as crosses.

Color is never changed.

Definition at line 2140 of file TGLUtil.cxx.

◆ RenderPoints() [1/2]

void TGLUtil::RenderPoints	(	const TAttMarker &	marker,
		const std::vector< Double_t > &	points
	)

static

Render markers as circular or square points.

Color is never changed.

Definition at line 2091 of file TGLUtil.cxx.

◆ RenderPoints() [2/2]

void TGLUtil::RenderPoints	(	const TAttMarker &	marker,
		Float_t *	op,
		Int_t	n,
		Int_t	pick_radius = `0`,
		Bool_t	selection = `kFALSE`,
		Bool_t	sec_selection = `kFALSE`
	)

static

Render markers as circular or square points.

Color is never changed.

Definition at line 2020 of file TGLUtil.cxx.

◆ RenderPolyLine()

void TGLUtil::RenderPolyLine	(	const TAttLine &	aline,
		Char_t	transp,
		Float_t *	p,
		Int_t	n,
		Int_t	pick_radius = `0`,
		Bool_t	selection = `kFALSE`
	)

static

Render poly-line as specified by the p-array.

Definition at line 2252 of file TGLUtil.cxx.

◆ RenderPolyMarkers() [1/2]

void TGLUtil::RenderPolyMarkers	(	const TAttMarker &	marker,
		Char_t	transp,
		Float_t *	p,
		Int_t	n,
		Int_t	pick_radius = `0`,
		Bool_t	selection = `kFALSE`,
		Bool_t	sec_selection = `kFALSE`
	)

static

Render polymarkers at points specified by p-array.

Supports point and cross-like styles.

Definition at line 1980 of file TGLUtil.cxx.

◆ RenderPolyMarkers() [2/2]

void TGLUtil::RenderPolyMarkers	(	const TAttMarker &	marker,
		const std::vector< Double_t > &	points,
		Double_t	dX,
		Double_t	dY,
		Double_t	dZ
	)

static

Render polymarkers at points specified by p-array.

Supports point and cross-like styles. Color is set externally. Lighting is disabled externally.

Definition at line 2006 of file TGLUtil.cxx.

◆ ResetDrawQuality()

void TGLUtil::ResetDrawQuality ( )

static

static: reset draw quality

Definition at line 1621 of file TGLUtil.cxx.

◆ SetDefaultDrawQuality()

void TGLUtil::SetDefaultDrawQuality ( UInt_t dq )

static

static: set default draw quality

Definition at line 1637 of file TGLUtil.cxx.

◆ SetDrawColors()

void TGLUtil::SetDrawColors ( const UChar_t rgbai[4] )

static

Set basic draw colors from 4 component 'rgba' Used by other TGLUtil drawing routines.

Sets basic (unlit) color - glColor and also GL materials (see OpenGL docs) thus:

diffuse : rgba ambient : 0.0 0.0 0.0 1.0 specular : 0.6 0.6 0.6 1.0 emission : rgba/4.0 shininess: 60.0

emission is set so objects with no lights (but lighting still enabled) are partially visible

Definition at line 2336 of file TGLUtil.cxx.

◆ SetDrawQuality()

void TGLUtil::SetDrawQuality ( UInt_t dq )

static

static: set draw quality

Definition at line 1613 of file TGLUtil.cxx.

◆ SetLineWidthScale()

void TGLUtil::SetLineWidthScale ( Float_t scale )

static

Set global line-width scale.

Definition at line 1907 of file TGLUtil.cxx.

◆ SetPointSizeScale()

void TGLUtil::SetPointSizeScale ( Float_t scale )

static

Set global point-size scale.

Definition at line 1891 of file TGLUtil.cxx.

◆ SetSimpleAxisBBoxScale()

void TGLUtil::SetSimpleAxisBBoxScale ( Float_t s )

static

Definition at line 1428 of file TGLUtil.cxx.

◆ SetSimpleAxisWidthScale()

void TGLUtil::SetSimpleAxisWidthScale ( Float_t s )

static

Definition at line 1427 of file TGLUtil.cxx.

◆ Streamer()

virtual void TGLUtil::Streamer ( TBuffer & )

virtual

◆ StreamerNVirtual()

void TGLUtil::StreamerNVirtual ( TBuffer & ClassDef_StreamerNVirtual_b )

inline

Definition at line 1063 of file TGLUtil.h.

◆ UnlockColor()

UInt_t TGLUtil::UnlockColor ( )

static

Allow color changes.

Definition at line 1677 of file TGLUtil.cxx.

Member Data Documentation

◆ fgBlue

const UChar_t TGLUtil::fgBlue = { 0, 0, 230, 255 }

static

Definition at line 1058 of file TGLUtil.h.

◆ fgColorLockCount

UInt_t TGLUtil::fgColorLockCount = 0

staticprivate

Definition at line 920 of file TGLUtil.h.

◆ fgDefaultDrawQuality

UInt_t TGLUtil::fgDefaultDrawQuality = 10

staticprivate

Definition at line 917 of file TGLUtil.h.

◆ fgDrawQuality

UInt_t TGLUtil::fgDrawQuality = fgDefaultDrawQuality

staticprivate

Definition at line 918 of file TGLUtil.h.

◆ fgGreen

const UChar_t TGLUtil::fgGreen = { 0, 230, 0, 255 }

static

Definition at line 1057 of file TGLUtil.h.

◆ fgGrey

const UChar_t TGLUtil::fgGrey = { 128, 128, 128, 100 }

static

Definition at line 1061 of file TGLUtil.h.

◆ fgLineWidth

Float_t TGLUtil::fgLineWidth = 1.0f

staticprivate

Definition at line 923 of file TGLUtil.h.

◆ fgLineWidthScale

Float_t TGLUtil::fgLineWidthScale = 1.0f

staticprivate

Definition at line 925 of file TGLUtil.h.

◆ fgPickingRadius

Int_t TGLUtil::fgPickingRadius = 1

staticprivate

Definition at line 929 of file TGLUtil.h.

◆ fgPointLineScalingFactor

Float_t TGLUtil::fgPointLineScalingFactor = 1.0f

staticprivate

Definition at line 928 of file TGLUtil.h.

◆ fgPointSize

Float_t TGLUtil::fgPointSize = 1.0f

staticprivate

Definition at line 922 of file TGLUtil.h.

◆ fgPointSizeScale

Float_t TGLUtil::fgPointSizeScale = 1.0f

staticprivate

Definition at line 924 of file TGLUtil.h.

◆ fgRed

const UChar_t TGLUtil::fgRed = { 230, 0, 0, 255 }

static

Definition at line 1056 of file TGLUtil.h.

◆ fgScreenScalingFactor

Float_t TGLUtil::fgScreenScalingFactor = 1.0f

staticprivate

Definition at line 927 of file TGLUtil.h.

◆ fgSimpleAxisBBoxScale

Float_t TGLUtil::fgSimpleAxisBBoxScale = 1.0f

staticprivate

Definition at line 932 of file TGLUtil.h.

◆ fgSimpleAxisWidthScale

Float_t TGLUtil::fgSimpleAxisWidthScale = 1.0f

staticprivate

Definition at line 931 of file TGLUtil.h.

◆ fgWhite

const UChar_t TGLUtil::fgWhite = { 255, 255, 255, 255 }

static

Definition at line 1060 of file TGLUtil.h.

◆ fgYellow

const UChar_t TGLUtil::fgYellow = { 210, 210, 0, 255 }

static

Definition at line 1059 of file TGLUtil.h.

Libraries for TGLUtil:

[legend]

The documentation for this class was generated from the following files:

graf3d/gl/inc/TGLUtil.h
graf3d/gl/src/TGLUtil.cxx

Classes

Public Types

Public Member Functions

Static Public Member Functions

Static Public Attributes

Private Member Functions

Static Private Attributes

Member Enumeration Documentation

◆ EAxesType

◆ ELineHeadShape

Constructor & Destructor Documentation

◆ TGLUtil()

◆ ~TGLUtil()

Member Function Documentation

◆ BeginAttLine()

◆ BeginExtendPickRegion()

◆ CheckError()

◆ Class()

◆ Class_Name()

◆ Class_Version()

◆ Color()

◆ Color3f()

◆ Color3fv()

◆ Color3ub()

◆ Color3ubv()

◆ Color4f()

◆ Color4fv()

◆ Color4ub()

◆ Color4ubv()

◆ ColorAlpha() [1/3]

◆ ColorAlpha() [2/3]

◆ ColorAlpha() [3/3]

◆ ColorTransparency()

◆ DeclFileName()

◆ DrawLine() [1/2]

◆ DrawLine() [2/2]

◆ DrawNumber()

◆ DrawReferenceMarker()

◆ DrawRing()

◆ DrawSimpleAxes()

◆ DrawSphere()

◆ EndAttLine()

◆ EndExtendPickRegion()

◆ GetDefaultDrawQuality()

◆ GetDrawQuality()

◆ GetDrawTesselator3dv()

◆ GetDrawTesselator3fv()

◆ GetDrawTesselator4dv()

◆ GetDrawTesselator4fv()

◆ GetLineWidthScale()

◆ GetPickingRadius()

◆ GetPointLineScalingFactor()

◆ GetPointSizeScale()

◆ GetScreenScalingFactor()

◆ InitializeIfNeeded()

◆ IsA()

◆ IsColorLocked()

◆ LineWidth() [1/2]

◆ LineWidth() [2/2]

◆ LockColor()

◆ operator=()

◆ PointSize() [1/2]

◆ PointSize() [2/2]

◆ PointToViewport() [1/2]

◆ PointToViewport() [2/2]

◆ RenderCrosses() [1/2]

◆ RenderCrosses() [2/2]

◆ RenderPoints() [1/2]

◆ RenderPoints() [2/2]

◆ RenderPolyLine()

◆ RenderPolyMarkers() [1/2]

◆ RenderPolyMarkers() [2/2]

◆ ResetDrawQuality()

◆ SetDefaultDrawQuality()

◆ SetDrawColors()

◆ SetDrawQuality()

◆ SetLineWidthScale()

◆ SetPointSizeScale()

◆ SetSimpleAxisBBoxScale()

◆ SetSimpleAxisWidthScale()