TGLFont Class Reference

A wrapper class for FTFont.

Holds pointer to FTFont object and its description: face size, font file and class ID. It wraps Render and BBox functions.

Definition at line 23 of file TGLFontManager.h.

Public Types
enum	EMode {   kUndef = -1, kBitmap, kPixmap, kTexture,   kOutline, kPolygon, kExtrude }
enum	ETextAlignH_e { kLeft, kRight, kCenterH }
enum	ETextAlignV_e { kBottom, kTop, kCenterV }

Public Member Functions
	TGLFont ()
	Constructor. More...
	TGLFont (Int_t size, Int_t font, EMode mode, FTFont *f=0, TGLFontManager *mng=0)
	Constructor. More...
	TGLFont (const TGLFont &o)
	Assignment operator. More...
virtual	~TGLFont ()
	Destructor. More...
void	CopyAttributes (const TGLFont &o)
	Assignment operator. More...
Int_t	GetSize () const
Int_t	GetFile () const
EMode	GetMode () const
Int_t	GetTrashCount () const
void	SetTrashCount (Int_t c) const
Int_t	IncTrashCount () const
void	SetFont (FTFont *f)
const FTFont *	GetFont () const
void	SetManager (TGLFontManager *mng)
const TGLFontManager *	GetManager () const
Float_t	GetDepth () const
void	SetDepth (Float_t d)
Float_t	GetAscent () const
	Get font's ascent. More...
Float_t	GetDescent () const
	Get font's descent. The returned value is positive. More...
Float_t	GetLineHeight () const
	Get font's line-height. More...
void	MeasureBaseLineParams (Float_t &ascent, Float_t &descent, Float_t &line_height, const char *txt="Xj") const
	Measure font's base-line parameters from the passed text. More...
void	BBox (const char *txt, Float_t &llx, Float_t &lly, Float_t &llz, Float_t &urx, Float_t &ury, Float_t &urz) const
	Get bounding box. More...
void	BBox (const wchar_t *txt, Float_t &llx, Float_t &lly, Float_t &llz, Float_t &urx, Float_t &ury, Float_t &urz) const
	Get bounding box. More...
void	Render (const char *txt, Double_t x, Double_t y, Double_t angle, Double_t mgn) const
void	Render (const wchar_t *txt, Double_t x, Double_t y, Double_t angle, Double_t mgn) const
void	Render (const TString &txt) const
	Render text. More...
void	Render (const TString &txt, Float_t x, Float_t y, Float_t z, ETextAlignH_e alignH, ETextAlignV_e alignV) const
	Render text with given alignmentrepl and at given position. More...
virtual void	PreRender (Bool_t autoLight=kTRUE, Bool_t lightOn=kFALSE) const
	Set-up GL state before FTFont rendering. More...
virtual void	PostRender () const
	Reset GL state after FTFont rendering. More...
Bool_t	operator< (const TGLFont &o) const
	ClassDef (TGLFont, 0)

Protected Attributes
Int_t	fSize
Int_t	fFile
EMode	fMode
Int_t	fTrashCount

Private Member Functions
TGLFont &	operator= (const TGLFont &o)
template<class Char >
void	RenderHelper (const Char *txt, Double_t x, Double_t y, Double_t angle, Double_t) const
	mgn is simply ignored, because ROOT's TVirtualX TGX11 are complete mess with painting attributes. More...

Private Attributes
FTFont *	fFont
TGLFontManager *	fManager
Float_t	fDepth

#include <TGLFontManager.h>

Member Enumeration Documentation

enum TGLFont::EMode

Enumerator
kUndef
kBitmap
kPixmap
kTexture
kOutline
kPolygon
kExtrude

Definition at line 26 of file TGLFontManager.h.

enum TGLFont::ETextAlignH_e

Enumerator
kLeft
kRight
kCenterH

Definition at line 33 of file TGLFontManager.h.

enum TGLFont::ETextAlignV_e

Enumerator
kBottom
kTop
kCenterV

Definition at line 34 of file TGLFontManager.h.

Constructor & Destructor Documentation

TGLFont::TGLFont

(

)

Constructor.

Definition at line 52 of file TGLFontManager.cxx.

TGLFont::TGLFont	(	Int_t	size,
		Int_t	font,
		EMode	mode,
		FTFont *	f = 0,
		TGLFontManager *	mng = 0
	)

Constructor.

Definition at line 62 of file TGLFontManager.cxx.

TGLFont::TGLFont

(

const TGLFont &

o

)

Assignment operator.

Definition at line 72 of file TGLFontManager.cxx.

TGLFont::~TGLFont ( )

virtual

Destructor.

Definition at line 87 of file TGLFontManager.cxx.

Member Function Documentation

void TGLFont::BBox	(	const char *	txt,
		Float_t &	llx,
		Float_t &	lly,
		Float_t &	llz,
		Float_t &	urx,
		Float_t &	ury,
		Float_t &	urz
	)		const

Get bounding box.

Definition at line 154 of file TGLFontManager.cxx.

Referenced by BBox(), TEveTextGL::DirectDraw(), MeasureBaseLineParams(), TGLOverlayButton::Render(), Render(), TGLAnnotation::Render(), TGLCameraOverlay::RenderBar(), TEveCaloLegoOverlay::RenderHeader(), RenderHelper(), and TEveCaloLegoOverlay::RenderLogaritmicScales().

void TGLFont::BBox	(	const wchar_t *	txt,
		Float_t &	llx,
		Float_t &	lly,
		Float_t &	llz,
		Float_t &	urx,
		Float_t &	ury,
		Float_t &	urz
	)		const

Get bounding box.

Definition at line 165 of file TGLFontManager.cxx.

TGLFont::ClassDef	(	TGLFont	,
		0
	)

void TGLFont::CopyAttributes

(

const TGLFont &

o

)

Assignment operator.

Definition at line 95 of file TGLFontManager.cxx.

Referenced by TGLFontManager::RegisterFont().

Float_t TGLFont::GetAscent

(

)

const

Get font's ascent.

Definition at line 115 of file TGLFontManager.cxx.

Float_t TGLFont::GetDepth ( ) const

inline

Definition at line 74 of file TGLFontManager.h.

Float_t TGLFont::GetDescent

(

)

const

Get font's descent. The returned value is positive.

Definition at line 123 of file TGLFontManager.cxx.

Referenced by TGLAnnotation::Render().

Int_t TGLFont::GetFile ( ) const

inline

Definition at line 62 of file TGLFontManager.h.

Referenced by TGLFontManager::RegisterFont().

const FTFont* TGLFont::GetFont ( ) const

inline

Definition at line 70 of file TGLFontManager.h.

Referenced by TGLFont().

Float_t TGLFont::GetLineHeight

(

)

const

Get font's line-height.

Definition at line 131 of file TGLFontManager.cxx.

Referenced by TGLAnnotation::Render().

const TGLFontManager* TGLFont::GetManager ( ) const

inline

Definition at line 72 of file TGLFontManager.h.

EMode TGLFont::GetMode ( ) const

inline

Definition at line 63 of file TGLFontManager.h.

Referenced by TEveTextGL::DirectDraw(), and TGLFontManager::RegisterFont().

Int_t TGLFont::GetSize ( ) const

inline

Definition at line 61 of file TGLFontManager.h.

Referenced by TGLFontManager::RegisterFont(), TGLAxisPainter::SetLabelFont(), and TGLAxisPainter::SetTitleFont().

Int_t TGLFont::GetTrashCount ( ) const

inline

Definition at line 65 of file TGLFontManager.h.

Int_t TGLFont::IncTrashCount ( ) const

inline

Definition at line 67 of file TGLFontManager.h.

void TGLFont::MeasureBaseLineParams	(	Float_t &	ascent,
		Float_t &	descent,
		Float_t &	line_height,
		const char *	txt = "Xj"
	)		const

Measure font's base-line parameters from the passed text.

Note that the measured parameters are not the same as the ones returned by get-functions - those were set by the font designer.

Definition at line 141 of file TGLFontManager.cxx.

Bool_t TGLFont::operator< ( const TGLFont &  o ) const

inline

Definition at line 100 of file TGLFontManager.h.

TGLFont& TGLFont::operator= ( const TGLFont &  o )

private

void TGLFont::PostRender ( ) const

virtual

Reset GL state after FTFont rendering.

Definition at line 406 of file TGLFontManager.cxx.

Referenced by TEveTextGL::DirectDraw(), TGLPadPainter::DrawTextHelper(), TGLOverlayButton::Render(), TGLAnnotation::Render(), TEveCaloLegoOverlay::RenderHeader(), TEveCaloLegoOverlay::RenderLogaritmicScales(), TGLAxisPainter::RnrLabels(), and TGLAxisPainter::RnrTitle().

void TGLFont::PreRender ( Bool_t  autoLight = kTRUE, Bool_t  lightOn = kFALSE  ) const

virtual

Set-up GL state before FTFont rendering.

Definition at line 365 of file TGLFontManager.cxx.

Referenced by TEveTextGL::DirectDraw(), TGLPadPainter::DrawTextHelper(), TGLOverlayButton::Render(), TGLAnnotation::Render(), TEveCaloLegoOverlay::RenderHeader(), TEveCaloLegoOverlay::RenderLogaritmicScales(), TGLAxisPainter::RnrLabels(), and TGLAxisPainter::RnrTitle().

void TGLFont::Render	(	const char *	txt,
		Double_t	x,
		Double_t	y,
		Double_t	angle,
		Double_t	mgn
	)		const

Definition at line 283 of file TGLFontManager.cxx.

Referenced by TEveTextGL::DirectDraw(), TGLPadPainter::DrawTextHelper(), TGLOverlayButton::Render(), Render(), TGLAnnotation::Render(), TGLCameraOverlay::RenderBar(), TEveCaloLegoOverlay::RenderHeader(), RenderHelper(), TEveCaloLegoOverlay::RenderLogaritmicScales(), TGLCameraOverlay::RenderPlaneIntersect(), and TGLAxisPainter::RnrText().

void TGLFont::Render	(	const wchar_t *	txt,
		Double_t	x,
		Double_t	y,
		Double_t	angle,
		Double_t	mgn
	)		const

Definition at line 276 of file TGLFontManager.cxx.

void TGLFont::Render

(

const TString &

txt

)

const

Render text.

Definition at line 291 of file TGLFontManager.cxx.

void TGLFont::Render	(	const TString &	txt,
		Float_t	x,
		Float_t	y,
		Float_t	z,
		ETextAlignH_e	alignH,
		ETextAlignV_e	alignV
	)		const

Render text with given alignmentrepl and at given position.

Definition at line 313 of file TGLFontManager.cxx.

template<class Char >

void TGLFont::RenderHelper ( const Char *  txt, Double_t  x, Double_t  y, Double_t  angle, Double_t    ) const

private

mgn is simply ignored, because ROOT's TVirtualX TGX11 are complete mess with painting attributes.

Definition at line 178 of file TGLFontManager.cxx.

Referenced by Render().

void TGLFont::SetDepth ( Float_t  d )

inline

Definition at line 75 of file TGLFontManager.h.

Referenced by CopyAttributes(), and TEveTextGL::DirectDraw().

void TGLFont::SetFont ( FTFont *  f )

inline

Definition at line 69 of file TGLFontManager.h.

Referenced by CopyAttributes().

void TGLFont::SetManager ( TGLFontManager *  mng )

inline

Definition at line 71 of file TGLFontManager.h.

Referenced by CopyAttributes(), and TGLFontManager::RegisterFont().

void TGLFont::SetTrashCount ( Int_t  c ) const

inline

Definition at line 66 of file TGLFontManager.h.

Member Data Documentation

Float_t TGLFont::fDepth

private

Definition at line 42 of file TGLFontManager.h.

Referenced by CopyAttributes(), GetDepth(), Render(), and SetDepth().

Int_t TGLFont::fFile

protected

Definition at line 49 of file TGLFontManager.h.

Referenced by CopyAttributes(), GetFile(), operator<(), and TGLFont().

FTFont* TGLFont::fFont

private

Definition at line 39 of file TGLFontManager.h.

Referenced by BBox(), CopyAttributes(), GetAscent(), GetDescent(), GetFont(), GetLineHeight(), MeasureBaseLineParams(), Render(), RenderHelper(), SetFont(), and TGLFont().

TGLFontManager* TGLFont::fManager

private

Definition at line 40 of file TGLFontManager.h.

Referenced by CopyAttributes(), GetManager(), SetManager(), and ~TGLFont().

EMode TGLFont::fMode

protected

Definition at line 50 of file TGLFontManager.h.

Referenced by CopyAttributes(), GetMode(), operator<(), PreRender(), Render(), and TGLFont().

Int_t TGLFont::fSize

protected

Definition at line 48 of file TGLFontManager.h.

Referenced by CopyAttributes(), GetSize(), operator<(), Render(), and TGLFont().

Int_t TGLFont::fTrashCount

mutableprotected

Definition at line 52 of file TGLFontManager.h.

Referenced by CopyAttributes(), GetTrashCount(), IncTrashCount(), SetTrashCount(), and TGLFont().

Collaboration diagram for TGLFont:

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

• graf3d/gl/inc/TGLFontManager.h
• graf3d/gl/src/TGLFontManager.cxx