Interface to the freetype 2 library.

Definition at line 63 of file TTF.h.

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

Public Member Functions
	TTF ()

virtual	~TTF ()

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

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

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

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

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

static void	Init ()
	Initialise the TrueType fonts interface. More...

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

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 Int_t	GetWidth ()

static void	SetHinting (Bool_t state)
	Set hinting flag. More...

static void	SetKerning (Bool_t state)
	Set kerning flag. More...

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

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

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

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

static void	SetTextFont (Font_t fontnumber)
	Set specified font. More...

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

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

static Bool_t	IsInitialized ()

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

static FT_BBox	fgCBox

static FT_CharMap	fgCharMap [kTTMaxFonts]

static Int_t	fgCurFontIdx = -1

static Int_t	fgSymbItaFontIdx = -1

static Int_t	fgFontCount = 0

static char *	fgFontName [kTTMaxFonts]

static FT_Face	fgFace [kTTMaxFonts]

static TTF::TTGlyph	fgGlyphs [kMaxGlyphs]

static Bool_t	fgHinting = kFALSE

static Bool_t	fgInit = kFALSE

static Bool_t	fgKerning = kTRUE

static FT_Library	fgLibrary

static Int_t	fgNumGlyphs = 0

static FT_Matrix *	fgRotMatrix

static Bool_t	fgSmoothing = kTRUE

static Int_t	fgTBlankW = 0

static Int_t	fgWidth = 0

Friends
class	TGX11TTF

class	TGWin32

class	TMathTextRenderer

#include <TTF.h>

Collaboration diagram for TTF:

Member Enumeration Documentation

anonymous enum

protected

Enumerator
kTTMaxFonts
kMaxGlyphs

Definition at line 83 of file TTF.h.

Constructor & Destructor Documentation

TTF::TTF ( )

inline

Definition at line 112 of file TTF.h.

virtual TTF::~TTF ( )

virtual

Member Function Documentation

Short_t TTF::CharToUnicode ( UInt_t code )

static

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

Definition at line 101 of file TTF.cxx.

Referenced by PrepareString().

void TTF::Cleanup ( )

static

Cleanup. Is called by the gCleanupTTF destructor.

Definition at line 84 of file TTF.cxx.

Int_t TTF::GetAscent ( )

static

Definition at line 632 of file TTF.cxx.

Referenced by TGWin32::Align(), TGQuartz::AlignTTFString(), and TASImage::DrawText().

const FT_BBox & TTF::GetBox ( )

static

Definition at line 653 of file TTF.cxx.

Referenced by TASImage::DrawTextTTF(), TText::GetTextAscentDescent(), TGX11TTF::RenderString(), TGWin32::RenderString(), and TGQuartz::RenderTTFString().

TTF::TTGlyph * TTF::GetGlyphs ( )

static

Definition at line 660 of file TTF.cxx.

Referenced by TASImage::DrawText(), TASImage::DrawTextTTF(), TGWin32::RenderString(), and TGQuartz::RenderTTFString().

Bool_t TTF::GetHinting ( )

static

Definition at line 597 of file TTF.cxx.

Bool_t TTF::GetKerning ( )

static

Definition at line 604 of file TTF.cxx.

Referenced by TText::GetTextAdvance().

Int_t TTF::GetNumGlyphs ( )

static

Definition at line 639 of file TTF.cxx.

Referenced by TASImage::DrawText(), TASImage::DrawTextTTF(), TGWin32::RenderString(), and TGQuartz::RenderTTFString().

FT_Matrix * TTF::GetRotMatrix ( )

static

Definition at line 646 of file TTF.cxx.

Referenced by TGWin32::Align(), TGQuartz::AlignTTFString(), and TASImage::DrawText().

Bool_t TTF::GetSmoothing ( )

static

Definition at line 611 of file TTF.cxx.

Referenced by TGQuartz::DrawFTGlyphIntoPixmap(), TGWin32::DrawImage(), TGWin32::RenderString(), and TGQuartz::RenderTTFString().

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

static

Get advance (a) when text is horizontal.

Definition at line 150 of file TTF.cxx.

Referenced by TText::GetTextAdvance().

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 134 of file TTF.cxx.

Referenced by TText::GetBoundingBox(), TText::GetTextExtent(), TGWin32::GetTextExtent(), and TGWin32::RequestString().

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 163 of file TTF.cxx.

Int_t TTF::GetWidth ( )

static

Definition at line 625 of file TTF.cxx.

Referenced by TGWin32::Align(), TGQuartz::AlignTTFString(), TASImage::DrawText(), and GetTextAdvance().

void TTF::Init ( )

static

Initialise the TrueType fonts interface.

Definition at line 67 of file TTF.cxx.

Referenced by ClassImp(), TGX11TTF::DrawText(), TASImage::DrawText(), TGWin32::DrawText(), TASImage::DrawTextTTF(), GetTextAdvance(), GetTextExtent(), TGWin32::OpenDisplay(), SetTextFont(), SetTextSize(), and TGQuartz::TGQuartz().

Bool_t TTF::IsInitialized ( )

static

Definition at line 618 of file TTF.cxx.

Referenced by TGQuartz::DrawText(), TASImage::DrawText(), TGWin32::DrawText(), TASImage::DrawTextTTF(), TText::GetBoundingBox(), TGWin32::OpenDisplay(), TGQuartz::SetTextFont(), TGQuartz::SetTextSize(), and TGQuartz::TGQuartz().

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 183 of file TTF.cxx.

Referenced by TGQuartz::DrawText(), TGX11TTF::DrawText(), TASImage::DrawText(), TGWin32::DrawText(), TASImage::DrawTextTTF(), GetTextAdvance(), and GetTextExtent().

void TTF::PrepareString ( const char * string )

static

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

Definition at line 249 of file TTF.cxx.

Referenced by TGQuartz::DrawText(), TGX11TTF::DrawText(), TASImage::DrawText(), TGWin32::DrawText(), TASImage::DrawTextTTF(), GetTextAdvance(), and GetTextExtent().

void TTF::PrepareString ( const wchar_t * string )

static

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

Definition at line 287 of file TTF.cxx.

void TTF::SetHinting ( Bool_t state )

static

Set hinting flag.

Definition at line 325 of file TTF.cxx.

void TTF::SetKerning ( Bool_t state )

static

Set kerning flag.

Definition at line 333 of file TTF.cxx.

Referenced by TText::GetTextAdvance().

void TTF::SetRotationMatrix ( Float_t angle )

static

Set the rotation matrix used to rotate the font outlines.

Definition at line 341 of file TTF.cxx.

Referenced by TGQuartz::DrawText(), TGX11TTF::DrawText(), TASImage::DrawText(), TGWin32::DrawText(), TASImage::DrawTextTTF(), GetTextAdvance(), and GetTextExtent().

void TTF::SetSmoothing ( Bool_t state )

static

Set smoothing (anti-aliasing) flag.

Definition at line 364 of file TTF.cxx.

Referenced by TGQuartz::DrawText(), TGX11TTF::Init(), and TGWin32::OpenDisplay().

void TTF::SetTextFont ( Font_t fontnumber )

static

Set specified font.

List of the currently supported fonts (screen and PostScript)

Font ID	X11	TTF
1	times-medium-i-normal	timesi.ttf
2	times-bold-r-normal	timesbd.ttf
3	times-bold-i-normal	timesi.ttf
4	helvetica-medium-r-normal	arial.ttf
5	helvetica-medium-o-normal	ariali.ttf
6	helvetica-bold-r-normal	arialbd.ttf
7	helvetica-bold-o-normal	arialbi.ttf
8	courier-medium-r-normal	cour.ttf
9	courier-medium-o-normal	couri.ttf
10	courier-bold-r-normal	courbd.ttf
11	courier-bold-o-normal	courbi.ttf
12	symbol-medium-r-normal	symbol.ttf
13	times-medium-r-normal	times.ttf
14		wingding.ttf
15	symbol oblique is emulated from symbol.ttf