GL Text.

To draw a 3D text in a GL window. This class uses uses FTGL to render text. FTGL is a package making the interface between the Free Type fonts and GL.

Definition at line 19 of file TGLText.h.

Public Member Functions
	TGLText ()

	TGLText (Double_t x, Double_t y, Double_t z, const char *text)
	TGLext normal constructor.

	~TGLText () override

void	BBox (const char *string, float &llx, float &lly, float &llz, float &urx, float &ury, float &urz)
	Calculate bounding-box for given string.

void	Copy (TAttText &atttext) const
	Copy this text attributes to a new TAttText.

FTFont *	GetFont ()

virtual Short_t	GetTextAlign () const
	Return the text alignment.

virtual Float_t	GetTextAngle () const
	Return the text angle.

virtual Color_t	GetTextColor () const
	Return the text color.

virtual Font_t	GetTextFont () const
	Return the text font.

virtual Float_t	GetTextSize () const
	Return the text size.

virtual Float_t	GetTextSizePercent (Float_t size)
	Return the text in percent of the pad size.

virtual Float_t	GetTextSizePixels (TVirtualPad &pad) const
	Return the text size in pixels for specified pad.

virtual Float_t	GetTextSizeRelative (TVirtualPad &pad) const
	Return the text size in relative units.

TClass *	IsA () const override

virtual void	Modify ()
	Change current text attributes if necessary.

virtual void	ModifyOn (TVirtualPad &pad)
	Change current text attributes if necessary on specified pad.

void	PaintBBox (const char *text)

void	PaintGLText (Double_t x, Double_t y, Double_t z, const char *text)
	Draw text.

virtual void	ResetAttText (Option_t *toption="")
	Reset this text attributes to default values.

virtual void	SaveTextAttributes (std::ostream &out, const char *name, Int_t alidef=12, Float_t angdef=0, Int_t coldef=1, Int_t fondef=61, Float_t sizdef=1)
	Save text attributes as C++ statement(s) on output stream out.

void	SetGLTextAngles (Double_t a1, Double_t a2, Double_t a3)
	Set the text rotation angles.

void	SetGLTextFont (Font_t fontnumber)

virtual void	SetTextAlign (Short_t align=11)
	Set the text alignment.

virtual void	SetTextAngle (Float_t tangle=0)
	Set the text angle.

virtual void	SetTextAttributes ()
	Invoke the DialogCanvas Text attributes.

virtual void	SetTextColor (Color_t tcolor=1)
	Set the text color.

void	SetTextColor (TColorNumber lcolor)

virtual void	SetTextColorAlpha (Color_t tcolor, Float_t talpha)
	Set a transparent text color.

virtual void	SetTextFont (Font_t tfont=62)
	Set the text font.

virtual void	SetTextSize (Float_t tsize=1)
	Set the text size.

virtual void	SetTextSizePixels (Int_t npixels)
	Set the text size in pixel.

void	Streamer (TBuffer &) override

void	StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)

Static Public Member Functions
static TClass *	Class ()

static const char *	Class_Name ()

static constexpr Version_t	Class_Version ()

static const char *	DeclFileName ()

Protected Attributes
Short_t	fTextAlign
	Text alignment.

Float_t	fTextAngle
	Text angle.

Color_t	fTextColor
	Text color.

Font_t	fTextFont
	Text font.

Float_t	fTextSize
	Text size.

Private Member Functions
	TGLText (const TGLText &)=delete

TGLText &	operator= (const TGLText &)=delete

Private Attributes
Double_t	fAngle1

Double_t	fAngle2

Double_t	fAngle3

FTFont *	fGLTextFont

Double_t	fX

Double_t	fY

Double_t	fZ

#include <TGLText.h>

Inheritance diagram for TGLText:

Constructor & Destructor Documentation

◆ TGLText() [1/3]

TGLText::TGLText ( const TGLText & )

privatedelete

◆ TGLText() [2/3]

TGLText::TGLText ( )

Definition at line 52 of file TGLText.cxx.

◆ TGLText() [3/3]

TGLText::TGLText	(	Double_t	x,
		Double_t	y,
		Double_t	z,
		const char *	text )

TGLext normal constructor.

Definition at line 68 of file TGLText.cxx.

◆ ~TGLText()

TGLText::~TGLText ( )

override

Definition at line 83 of file TGLText.cxx.

Member Function Documentation

◆ BBox()

void TGLText::BBox	(	const char *	string,
		float &	llx,
		float &	lly,
		float &	llz,
		float &	urx,
		float &	ury,
		float &	urz )

Calculate bounding-box for given string.

Definition at line 154 of file TGLText.cxx.

◆ Class()

static TClass * TGLText::Class ( )

static

Returns: TClass describing this class

◆ Class_Name()

static const char * TGLText::Class_Name ( )

static

Returns: Name of this class

◆ Class_Version()

static constexpr Version_t TGLText::Class_Version ( )

inlinestaticconstexpr

Returns: Version of this class

Definition at line 46 of file TGLText.h.

◆ Copy()

void TAttText::Copy ( TAttText & atttext ) const

inherited

Copy this text attributes to a new TAttText.

Definition at line 300 of file TAttText.cxx.

◆ DeclFileName()

static const char * TGLText::DeclFileName ( )

inlinestatic

Returns: Name of the file containing the class declaration

Definition at line 46 of file TGLText.h.

◆ GetFont()

FTFont * TGLText::GetFont ( )

inline

Definition at line 37 of file TGLText.h.

◆ GetTextAlign()

virtual Short_t TAttText::GetTextAlign ( ) const

inlinevirtualinherited

Return the text alignment.

Reimplemented in TGWin32VirtualXProxy.

Definition at line 35 of file TAttText.h.

◆ GetTextAngle()

virtual Float_t TAttText::GetTextAngle ( ) const

inlinevirtualinherited

Return the text angle.

Reimplemented in TGWin32VirtualXProxy.

Definition at line 36 of file TAttText.h.

◆ GetTextColor()

virtual Color_t TAttText::GetTextColor ( ) const

inlinevirtualinherited

Return the text color.

Reimplemented in TGWin32VirtualXProxy.

Definition at line 37 of file TAttText.h.

◆ GetTextFont()

virtual Font_t TAttText::GetTextFont ( ) const

inlinevirtualinherited

Return the text font.

Reimplemented in TGWin32VirtualXProxy.

Definition at line 38 of file TAttText.h.

◆ GetTextSize()

virtual Float_t TAttText::GetTextSize ( ) const

inlinevirtualinherited

Return the text size.

Reimplemented in TGWin32VirtualXProxy.

Definition at line 39 of file TAttText.h.

◆ GetTextSizePercent()

Float_t TAttText::GetTextSizePercent ( Float_t size )

virtualinherited

Return the text in percent of the pad size.

Return the text size in percent of the pad size.

If the font precision is greater than 2, the text size returned is the size in pixel converted into percent of the pad size, otherwise the size returned is the same as the size given as input parameter.

Definition at line 316 of file TAttText.cxx.

◆ GetTextSizePixels()

Float_t TAttText::GetTextSizePixels ( TVirtualPad & pad ) const

virtualinherited

Return the text size in pixels for specified pad.

Return the text size in pixels for the specified pad.

If the font precision less than 3 size defined as percent of pad size and scaled to minimal pad size

Definition at line 350 of file TAttText.cxx.

◆ GetTextSizeRelative()

Float_t TAttText::GetTextSizeRelative ( TVirtualPad & pad ) const

virtualinherited

Return the text size in relative units.

If the font precision grater then 2 use pad dimensions to get value

Definition at line 333 of file TAttText.cxx.

◆ IsA()

TClass * TGLText::IsA ( ) const

inlineoverridevirtual

Returns: TClass describing current object

Reimplemented from TAttText.

Definition at line 46 of file TGLText.h.

◆ Modify()

void TAttText::Modify ( )

virtualinherited

Change current text attributes if necessary.

Definition at line 364 of file TAttText.cxx.

◆ ModifyOn()

void TAttText::ModifyOn ( TVirtualPad & pad )

virtualinherited

Change current text attributes if necessary on specified pad.

Definition at line 373 of file TAttText.cxx.

◆ operator=()

TGLText & TGLText::operator= ( const TGLText & )

privatedelete

◆ PaintBBox()

void TGLText::PaintBBox ( const char * text )

Definition at line 139 of file TGLText.cxx.

◆ PaintGLText()

void TGLText::PaintGLText	(	Double_t	x,
		Double_t	y,
		Double_t	z,
		const char *	text )

Draw text.

Definition at line 92 of file TGLText.cxx.

◆ ResetAttText()

void TAttText::ResetAttText ( Option_t * toption = "" )

virtualinherited

Reset this text attributes to default values.

Reimplemented in TGWin32VirtualXProxy.

Definition at line 387 of file TAttText.cxx.

◆ SaveTextAttributes()

void TAttText::SaveTextAttributes	(	std::ostream &	out,
		const char *	name,
		Int_t	alidef = 12,
		Float_t	angdef = 0,
		Int_t	coldef = 1,
		Int_t	fondef = 61,
		Float_t	sizdef = 1 )

virtualinherited

Save text attributes as C++ statement(s) on output stream out.

Definition at line 399 of file TAttText.cxx.

◆ SetGLTextAngles()

void TGLText::SetGLTextAngles	(	Double_t	a1,
		Double_t	a2,
		Double_t	a3 )

Set the text rotation angles.

Definition at line 163 of file TGLText.cxx.

◆ SetGLTextFont()

void TGLText::SetGLTextFont ( Font_t fontnumber )

Definition at line 173 of file TGLText.cxx.

◆ SetTextAlign()

virtual void TAttText::SetTextAlign ( Short_t align = 11 )

inlinevirtualinherited

Set the text alignment.

Reimplemented in TVirtualX, TGQuartz, TGWin32, TGWin32VirtualXProxy, and TGX11.

Definition at line 48 of file TAttText.h.

◆ SetTextAngle()

virtual void TAttText::SetTextAngle ( Float_t tangle = 0 )

inlinevirtualinherited

Set the text angle.

Reimplemented in TGWin32VirtualXProxy, and TGraphNode.

Definition at line 49 of file TAttText.h.

◆ SetTextAttributes()

void TAttText::SetTextAttributes ( )

virtualinherited

Invoke the DialogCanvas Text attributes.

Reimplemented in TGWin32VirtualXProxy.

Definition at line 418 of file TAttText.cxx.

◆ SetTextColor() [1/2]

virtual void TAttText::SetTextColor ( Color_t tcolor = 1 )

inlinevirtualinherited

Set the text color.

Reimplemented in TVirtualX, TGQuartz, TGWin32, TGX11, TPDF, TPostScript, TSVG, TTeXDump, and TGWin32VirtualXProxy.

Definition at line 50 of file TAttText.h.

◆ SetTextColor() [2/2]

void TAttText::SetTextColor ( TColorNumber lcolor )

inherited

Definition at line 453 of file TAttText.cxx.

◆ SetTextColorAlpha()

void TAttText::SetTextColorAlpha	(	Color_t	tcolor,
		Float_t	talpha )

virtualinherited

Set a transparent text color.

Parameters

tcolor	defines the text color
talpha	defines the percentage of opacity from 0. (fully transparent) to 1. (fully opaque).

Note: talpha is ignored (treated as 1) if the TCanvas has no GL support activated.

Definition at line 430 of file TAttText.cxx.

◆ SetTextFont()

virtual void TAttText::SetTextFont ( Font_t tfont = 62 )

inlinevirtualinherited

Set the text font.

Reimplemented in TVirtualX, TGQuartz, TGWin32, TGX11, and TGWin32VirtualXProxy.

Definition at line 52 of file TAttText.h.

◆ SetTextSize()

virtual void TAttText::SetTextSize ( Float_t tsize = 1 )

inlinevirtualinherited

Set the text size.

Reimplemented in TVirtualX, TGQuartz, TGWin32, TGX11, and TGWin32VirtualXProxy.

Definition at line 53 of file TAttText.h.

◆ SetTextSizePixels()

void TAttText::SetTextSizePixels ( Int_t npixels )

virtualinherited

Set the text size in pixel.

Set the text size in pixels.

If the font precision is greater than 2, the text size is set to npixels, otherwise the text size is computed as a percent of the pad size.

Reimplemented in TGWin32VirtualXProxy.

Definition at line 441 of file TAttText.cxx.

◆ Streamer()

void TGLText::Streamer ( TBuffer & )

overridevirtual

Reimplemented from TAttText.

◆ StreamerNVirtual()

void TGLText::StreamerNVirtual ( TBuffer & ClassDef_StreamerNVirtual_b )

inline

Definition at line 46 of file TGLText.h.

Member Data Documentation

◆ fAngle1

Double_t TGLText::fAngle1

private

Definition at line 27 of file TGLText.h.

◆ fAngle2

Double_t TGLText::fAngle2

private

Definition at line 28 of file TGLText.h.

◆ fAngle3

Double_t TGLText::fAngle3

private

Definition at line 29 of file TGLText.h.

◆ fGLTextFont

FTFont* TGLText::fGLTextFont

private

Definition at line 30 of file TGLText.h.

◆ fTextAlign

Short_t TAttText::fTextAlign

protectedinherited

Text alignment.

Definition at line 26 of file TAttText.h.

◆ fTextAngle

Float_t TAttText::fTextAngle

protectedinherited

Text angle.

Definition at line 24 of file TAttText.h.

◆ fTextColor

Color_t TAttText::fTextColor

protectedinherited

Text color.

Definition at line 27 of file TAttText.h.

◆ fTextFont

Font_t TAttText::fTextFont

protectedinherited

Text font.

Definition at line 28 of file TAttText.h.

◆ fTextSize

Float_t TAttText::fTextSize

protectedinherited

Text size.

Definition at line 25 of file TAttText.h.

◆ fX

Double_t TGLText::fX

private

Definition at line 24 of file TGLText.h.

◆ fY

Double_t TGLText::fY

private

Definition at line 25 of file TGLText.h.

◆ fZ

Double_t TGLText::fZ

private

Definition at line 26 of file TGLText.h.

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

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

Public Member Functions

Static Public Member Functions

Protected Attributes

Private Member Functions

Private Attributes

Constructor & Destructor Documentation

◆ TGLText() [1/3]

◆ TGLText() [2/3]

◆ TGLText() [3/3]

◆ ~TGLText()

Member Function Documentation

◆ BBox()

◆ Class()

◆ Class_Name()

◆ Class_Version()

◆ Copy()

◆ DeclFileName()

◆ GetFont()

◆ GetTextAlign()

◆ GetTextAngle()

◆ GetTextColor()

◆ GetTextFont()

◆ GetTextSize()

◆ GetTextSizePercent()

◆ GetTextSizePixels()

◆ GetTextSizeRelative()

◆ IsA()

◆ Modify()

◆ ModifyOn()

◆ operator=()

◆ PaintBBox()

◆ PaintGLText()

◆ ResetAttText()

◆ SaveTextAttributes()

◆ SetGLTextAngles()

◆ SetGLTextFont()

◆ SetTextAlign()

◆ SetTextAngle()

◆ SetTextAttributes()

◆ SetTextColor() [1/2]

◆ SetTextColor() [2/2]

◆ SetTextColorAlpha()

◆ SetTextFont()

◆ SetTextSize()

◆ SetTextSizePixels()

◆ Streamer()

◆ StreamerNVirtual()

Member Data Documentation

◆ fAngle1

◆ fAngle2

◆ fAngle3

◆ fGLTextFont

◆ fTextAlign

◆ fTextAngle

◆ fTextColor

◆ fTextFont

◆ fTextSize

◆ fX

◆ fY

◆ fZ