Interface to the freetype 2 library.

Definition at line 53 of file TTF.h.

Classes
class	TTGlyph
	TTF helper class containing glyphs description. More...

Public Member Functions
	TTF ()

virtual	~TTF ()
	Cleanup TTF environment.

virtual TClass *	IsA () const

virtual void	Streamer (TBuffer &)

void	StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)

Static Public Member Functions
static Short_t	CharToUnicode (UInt_t code)
	Map char to unicode. Returns 0 in case no mapping exists.

static TClass *	Class ()

static const char *	Class_Name ()

static constexpr Version_t	Class_Version ()

static void	Cleanup ()
	Cleanup. Is called by the gCleanupTTF destructor.

static void	ComputeTrailingBlanksWidth (Int_t n)
	Compute the trailing blanks width.

static const char *	DeclFileName ()

static Int_t	GetAscent ()

static const FT_BBox &	GetBox ()

static TTGlyph *	GetGlyphs ()

static Bool_t	GetHinting ()

static Bool_t	GetKerning ()

static Int_t	GetNumGlyphs ()

static FT_Matrix *	GetRotMatrix ()

static Bool_t	GetSmoothing ()

static void	GetTextAdvance (UInt_t &a, char *text)
	Get advance (a) when text is horizontal.

static void	GetTextExtent (UInt_t &w, UInt_t &h, char *text)
	Get width (w) and height (h) when text is horizontal.

static void	GetTextExtent (UInt_t &w, UInt_t &h, wchar_t *text)
	Get width (w) and height (h) when text is horizontal.

static Int_t	GetTrailingBlanksWidth ()

static Int_t	GetWidth ()

static void	Init ()
	Initialise the TrueType fonts interface.

static Bool_t	IsInitialized ()

static void	LayoutGlyphs ()
	Compute the glyphs positions, fgAscent and fgWidth (needed for alignment).

static void	PrepareString (const char *string)
	Put the characters in "string" in the "glyphs" array.

static void	PrepareString (const wchar_t *string)
	Put the characters in "string" in the "glyphs" array.

static void	SetHinting (Bool_t state)
	Set hinting flag.

static void	SetKerning (Bool_t state)
	Set kerning flag.

static void	SetRotationMatrix (Float_t angle)
	Set the rotation matrix used to rotate the font outlines.

static void	SetSmoothing (Bool_t state)
	Set smoothing (anti-aliasing) flag.

static Int_t	SetTextFont (const char *fontname, Int_t italic=0)
	Set text font to specified name.

static void	SetTextFont (Font_t fontnumber)
	Set specified font.

static void	SetTextSize (Float_t textsize)
	Set current text size.

static void	Version (Int_t &major, Int_t &minor, Int_t &patch)

Protected Types
enum	{ kTTMaxFonts = 32 , kMaxGlyphs = 1024 }

Static Protected Attributes
static Int_t	fgAscent = 0
	string ascent, used to compute Y alignment

static FT_BBox	fgCBox
	string control box

static FT_CharMap	fgCharMap [kTTMaxFonts]
	font character map

static Int_t	fgCurFontIdx = -1
	current font index

static FT_Face	fgFace [kTTMaxFonts]
	font face

static Int_t	fgFontCount = 0
	number of fonts loaded

static char *	fgFontName [kTTMaxFonts]
	font name

static TTF::TTGlyph	fgGlyphs [kMaxGlyphs]
	glyphs

static Bool_t	fgHinting = kFALSE
	use hinting (true by default)

static Bool_t	fgInit = kFALSE
	true if the Init has been called

static Bool_t	fgKerning = kTRUE
	use kerning (true by default)

static FT_Library	fgLibrary
	FreeType font library.

static Int_t	fgNumGlyphs = 0
	number of glyphs in the string

static FT_Matrix *	fgRotMatrix = nullptr
	rotation matrix

static Bool_t	fgSmoothing = kTRUE
	use anti-aliasing (true when >8 planes, false otherwise)

static Int_t	fgSymbItaFontIdx = -1
	Symbol italic font index.

static Int_t	fgTBlankW = 0
	trailing blanks width

static Int_t	fgWidth = 0
	string width, used to compute X alignment

Friends
class	TGWin32

class	TGX11TTF

class	TMathTextRenderer

#include <TTF.h>

Member Enumeration Documentation

◆ anonymous enum

anonymous enum

protected

Enumerator
kTTMaxFonts
kMaxGlyphs

Definition at line 73 of file TTF.h.

Constructor & Destructor Documentation

◆ TTF()

TTF::TTF ( )

inline

Definition at line 102 of file TTF.h.

◆ ~TTF()

TTF::~TTF ( )

virtual

Cleanup TTF environment.

Definition at line 57 of file TTF.cxx.

Member Function Documentation

◆ CharToUnicode()

Short_t TTF::CharToUnicode ( UInt_t code )

static

Map char to unicode. Returns 0 in case no mapping exists.

Definition at line 99 of file TTF.cxx.

◆ Class()

static TClass * TTF::Class ( )

static

Returns: TClass describing this class

◆ Class_Name()

static const char * TTF::Class_Name ( )

static

Returns: Name of this class

◆ Class_Version()

static constexpr Version_t TTF::Class_Version ( )

inlinestaticconstexpr

Returns: Version of this class

Definition at line 130 of file TTF.h.

◆ Cleanup()

void TTF::Cleanup ( )

static

Cleanup. Is called by the gCleanupTTF destructor.

Definition at line 82 of file TTF.cxx.

◆ ComputeTrailingBlanksWidth()

void TTF::ComputeTrailingBlanksWidth ( Int_t n )

static

Compute the trailing blanks width.

It is use to compute the text width in GetTextExtent n is the number of trailing blanks in a string.

Definition at line 133 of file TTF.cxx.

◆ DeclFileName()

static const char * TTF::DeclFileName ( )

inlinestatic

Returns: Name of the file containing the class declaration

Definition at line 130 of file TTF.h.

◆ GetAscent()

Int_t TTF::GetAscent ( )

static

Definition at line 629 of file TTF.cxx.

◆ GetBox()

const FT_BBox & TTF::GetBox ( )

static

Definition at line 657 of file TTF.cxx.

◆ GetGlyphs()

TTF::TTGlyph * TTF::GetGlyphs ( )

static

Definition at line 664 of file TTF.cxx.

◆ GetHinting()

Bool_t TTF::GetHinting ( )

static

Definition at line 594 of file TTF.cxx.

◆ GetKerning()

Bool_t TTF::GetKerning ( )

static

Definition at line 601 of file TTF.cxx.

◆ GetNumGlyphs()

Int_t TTF::GetNumGlyphs ( )

static

Definition at line 636 of file TTF.cxx.

◆ GetRotMatrix()

FT_Matrix * TTF::GetRotMatrix ( )

static

Definition at line 643 of file TTF.cxx.

◆ GetSmoothing()

Bool_t TTF::GetSmoothing ( )

static

Definition at line 608 of file TTF.cxx.

◆ GetTextAdvance()

void TTF::GetTextAdvance	(	UInt_t &	a,
		char *	text
	)

static

Get advance (a) when text is horizontal.

Definition at line 170 of file TTF.cxx.

◆ GetTextExtent() [1/2]

void TTF::GetTextExtent	(	UInt_t &	w,
		UInt_t &	h,
		char *	text
	)

static

Get width (w) and height (h) when text is horizontal.

Definition at line 154 of file TTF.cxx.

◆ GetTextExtent() [2/2]

void TTF::GetTextExtent	(	UInt_t &	w,
		UInt_t &	h,
		wchar_t *	text
	)

static

Get width (w) and height (h) when text is horizontal.

Definition at line 183 of file TTF.cxx.

◆ GetTrailingBlanksWidth()

Int_t TTF::GetTrailingBlanksWidth ( )

static

Definition at line 650 of file TTF.cxx.

◆ GetWidth()

Int_t TTF::GetWidth ( )

static

Definition at line 622 of file TTF.cxx.

◆ Init()

void TTF::Init ( )

static

Initialise the TrueType fonts interface.

Definition at line 65 of file TTF.cxx.

◆ IsA()

virtual TClass * TTF::IsA ( ) const

inlinevirtual

Returns: TClass describing current object

Definition at line 130 of file TTF.h.

◆ IsInitialized()

Bool_t TTF::IsInitialized ( )

static

Definition at line 615 of file TTF.cxx.

◆ LayoutGlyphs()

void TTF::LayoutGlyphs ( )

static

Compute the glyphs positions, fgAscent and fgWidth (needed for alignment).

Perform the Glyphs transformation. Compute the string control box. If required take the "kerning" into account. SetRotation and PrepareString should have been called before.

Definition at line 203 of file TTF.cxx.

◆ PrepareString() [1/2]

void TTF::PrepareString ( const char * string )

static

Put the characters in "string" in the "glyphs" array.

Definition at line 272 of file TTF.cxx.

◆ PrepareString() [2/2]

void TTF::PrepareString ( const wchar_t * string )

static

Put the characters in "string" in the "glyphs" array.

Definition at line 302 of file TTF.cxx.

◆ SetHinting()

void TTF::SetHinting ( Bool_t state )

static

Set hinting flag.

Definition at line 332 of file TTF.cxx.

◆ SetKerning()

void TTF::SetKerning ( Bool_t state )

static

Set kerning flag.

Definition at line 340 of file TTF.cxx.

◆ SetRotationMatrix()

void TTF::SetRotationMatrix ( Float_t angle )

static

Set the rotation matrix used to rotate the font outlines.

Definition at line 348 of file TTF.cxx.

◆ SetSmoothing()

void TTF::SetSmoothing ( Bool_t state )

static

Set smoothing (anti-aliasing) flag.

Definition at line 371 of file TTF.cxx.

◆ SetTextFont() [1/2]

Int_t TTF::SetTextFont	(	const char *	fontname,
		Int_t	italic = `0`
	)

static

Set text font to specified name.

font : font name
italic : the fonts should be slanted. Used for symbol font.

Set text font to specified name. This function returns 0 if the specified font is found, 1 if not.

Definition at line 384 of file TTF.cxx.

◆ SetTextFont() [2/2]

void TTF::SetTextFont ( Font_t fontnumber )

static

Set specified font.

List of the currently supported fonts (screen and PostScript)

Font number	TTF Names	PostScript/PDF Names
1	Free Serif Italic	Times-Italic
2	Free Serif Bold	Times-Bold
3	Free Serif Bold Italic	Times-BoldItalic
4	Tex Gyre Regular	Helvetica
5	Tex Gyre Italic	Helvetica-Oblique
6	Tex Gyre Bold	Helvetica-Bold
7	Tex Gyre Bold Italic	Helvetica-BoldOblique
8	Free Mono	Courier
9	Free Mono Oblique	Courier-Oblique
10	Free Mono Bold	Courier-Bold
11	Free Mono Bold Oblique	Courier-BoldOblique
12	Symbol	Symbol
13	Free Serif	Times-Roman
14	Wingdings	ZapfDingbats

Definition at line 496 of file TTF.cxx.

◆ SetTextSize()

void TTF::SetTextSize ( Float_t textsize )

static

Set current text size.

Definition at line 567 of file TTF.cxx.

◆ Streamer()

virtual void TTF::Streamer ( TBuffer & )

virtual

◆ StreamerNVirtual()

void TTF::StreamerNVirtual ( TBuffer & ClassDef_StreamerNVirtual_b )

inline

Definition at line 130 of file TTF.h.

◆ Version()

void TTF::Version	(	Int_t &	major,
		Int_t &	minor,
		Int_t &	patch
	)

static

Definition at line 587 of file TTF.cxx.

Friends And Related Symbol Documentation

◆ TGWin32

friend class TGWin32

friend

Definition at line 56 of file TTF.h.

◆ TGX11TTF

friend class TGX11TTF

friend

Definition at line 55 of file TTF.h.

◆ TMathTextRenderer

friend class TMathTextRenderer

friend

Definition at line 57 of file TTF.h.

Member Data Documentation

◆ fgAscent

Int_t TTF::fgAscent = 0

staticprotected

string ascent, used to compute Y alignment

Definition at line 75 of file TTF.h.

◆ fgCBox

FT_BBox TTF::fgCBox

staticprotected

string control box

Definition at line 76 of file TTF.h.

◆ fgCharMap

FT_CharMap TTF::fgCharMap

staticprotected

font character map

Definition at line 77 of file TTF.h.

◆ fgCurFontIdx

Int_t TTF::fgCurFontIdx = -1

staticprotected

current font index

Definition at line 78 of file TTF.h.

◆ fgFace

FT_Face TTF::fgFace

staticprotected

font face

Definition at line 82 of file TTF.h.

◆ fgFontCount

Int_t TTF::fgFontCount = 0

staticprotected

number of fonts loaded

Definition at line 80 of file TTF.h.

◆ fgFontName

char * TTF::fgFontName

staticprotected

font name

Definition at line 81 of file TTF.h.

◆ fgGlyphs

TTF::TTGlyph TTF::fgGlyphs

staticprotected

glyphs

Definition at line 83 of file TTF.h.

◆ fgHinting

Bool_t TTF::fgHinting = kFALSE

staticprotected

use hinting (true by default)

Definition at line 84 of file TTF.h.

◆ fgInit

Bool_t TTF::fgInit = kFALSE

staticprotected

true if the Init has been called

Definition at line 85 of file TTF.h.

◆ fgKerning

Bool_t TTF::fgKerning = kTRUE

staticprotected

use kerning (true by default)

Definition at line 86 of file TTF.h.

◆ fgLibrary

FT_Library TTF::fgLibrary

staticprotected

FreeType font library.

Definition at line 87 of file TTF.h.

◆ fgNumGlyphs

Int_t TTF::fgNumGlyphs = 0

staticprotected

number of glyphs in the string

Definition at line 88 of file TTF.h.

◆ fgRotMatrix

FT_Matrix * TTF::fgRotMatrix = nullptr

staticprotected

rotation matrix

Definition at line 89 of file TTF.h.

◆ fgSmoothing

Bool_t TTF::fgSmoothing = kTRUE

staticprotected

use anti-aliasing (true when >8 planes, false otherwise)

Definition at line 90 of file TTF.h.

◆ fgSymbItaFontIdx

Int_t TTF::fgSymbItaFontIdx = -1

staticprotected

Symbol italic font index.

Definition at line 79 of file TTF.h.

◆ fgTBlankW

Int_t TTF::fgTBlankW = 0

staticprotected

trailing blanks width

Definition at line 91 of file TTF.h.

◆ fgWidth

Int_t TTF::fgWidth = 0

staticprotected

string width, used to compute X alignment

Definition at line 92 of file TTF.h.

Libraries for TTF:

[legend]

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

graf2d/graf/inc/TTF.h
graf2d/graf/src/TTF.cxx

Classes

Public Member Functions

Static Public Member Functions

Protected Types

Static Protected Attributes

Friends

Member Enumeration Documentation

◆ anonymous enum

Constructor & Destructor Documentation

◆ TTF()

◆ ~TTF()

Member Function Documentation

◆ CharToUnicode()

◆ Class()

◆ Class_Name()

◆ Class_Version()

◆ Cleanup()

◆ ComputeTrailingBlanksWidth()

◆ DeclFileName()

◆ GetAscent()

◆ GetBox()

◆ GetGlyphs()

◆ GetHinting()

◆ GetKerning()

◆ GetNumGlyphs()

◆ GetRotMatrix()

◆ GetSmoothing()

◆ GetTextAdvance()

◆ GetTextExtent() [1/2]

◆ GetTextExtent() [2/2]

◆ GetTrailingBlanksWidth()

◆ GetWidth()

◆ Init()

◆ IsA()

◆ IsInitialized()

◆ LayoutGlyphs()

◆ PrepareString() [1/2]

◆ PrepareString() [2/2]

◆ SetHinting()

◆ SetKerning()

◆ SetRotationMatrix()

◆ SetSmoothing()

◆ SetTextFont() [1/2]

◆ SetTextFont() [2/2]

◆ SetTextSize()

◆ Streamer()

◆ StreamerNVirtual()

◆ Version()

Friends And Related Symbol Documentation

◆ TGWin32

◆ TGX11TTF

◆ TMathTextRenderer

Member Data Documentation

◆ fgAscent

◆ fgCBox

◆ fgCharMap

◆ fgCurFontIdx

◆ fgFace

◆ fgFontCount

◆ fgFontName

◆ fgGlyphs

◆ fgHinting

◆ fgInit

◆ fgKerning

◆ fgLibrary

◆ fgNumGlyphs

◆ fgRotMatrix

◆ fgSmoothing

◆ fgSymbItaFontIdx

◆ fgTBlankW

◆ fgWidth