449 latex.TLatex::Copy(*
this);
459 TAttLine::operator=(
lt);
526 const char *
tab[] = {
"alpha",
"beta",
"chi",
"delta",
"varepsilon",
"phi",
"gamma",
"eta",
"iota",
"varphi",
"kappa",
"lambda",
527 "mu",
"nu",
"omicron",
"pi",
"theta",
"rho",
"sigma",
"tau",
"upsilon",
"varomega",
"omega",
"xi",
"psi",
"zeta",
528 "Alpha",
"Beta",
"Chi",
"Delta",
"Epsilon",
"Phi",
"Gamma",
"Eta",
"Iota",
"vartheta",
529 "Kappa",
"Lambda",
"Mu",
"Nu",
"Omicron",
"Pi",
"Theta",
"Rho",
"Sigma",
"Tau",
530 "Upsilon",
"varsigma",
"Omega",
"Xi",
"Psi",
"Zeta",
"varUpsilon",
"epsilon"};
532 const char *
tab2[] = {
"leq",
"/",
"infty",
"voidb",
"club",
"diamond",
"heart",
533 "spade",
"leftrightarrow",
"leftarrow",
"uparrow",
"rightarrow",
534 "downarrow",
"circ",
"pm",
"doublequote",
"geq",
"times",
"propto",
535 "partial",
"bullet",
"divide",
"neq",
"equiv",
"approx",
"3dots",
536 "cbar",
"topbar",
"downleftarrow",
"aleph",
"Jgothic",
"Rgothic",
"voidn",
537 "otimes",
"oplus",
"oslash",
"cap",
"cup",
"supset",
"supseteq",
538 "notsubset",
"subset",
"subseteq",
"in",
"notin",
"angle",
"nabla",
539 "oright",
"ocopyright",
"trademark",
"prod",
"surd",
"upoint",
"corner",
"wedge",
540 "vee",
"Leftrightarrow",
"Leftarrow",
"Uparrow",
"Rightarrow",
541 "Downarrow",
"diamond",
"LT",
"void1",
"copyright",
"void3",
"sum",
542 "arctop",
"lbar",
"arcbottom",
"topbar",
"void8",
"bottombar",
"arcbar",
543 "ltbar",
"AA",
"aa",
"void06",
"GT",
"int",
"forall",
"exists" };
545 const char *
tab3[] = {
"bar",
"vec",
"dot",
"hat",
"ddot",
"acute",
"grave",
"check",
"tilde",
"slash"};
551 Int_t min = 0, max = 0;
569 if (t[i] ==
'{' && !(i>0 && t[i-1] ==
'@'))
nBrackets++;
570 if (t[i] ==
'}' && t[i-1]!=
'@')
nBrackets--;
595 Error(
"Analyse",
"It seems there is a syntax error in the TLatex string");
668 if (
text[i+1]!=
'{' && !(
text[i+2]==
'{' && (
text[i+1]==
'^' ||
text[i+1]==
'_'))
737 if (
strncmp(buf,
"splitline{",10)==0) {
783 if (
strncmp(buf,
"frac{",5)==0) {
847 if (
strncmp(buf,
"{}{",3)==0 ) {
989 pos = (
m-
fs1.Width())/2;
1006 if (min >= 2 &&
strncmp(&
text[min-2],
"{}",2)==0) {
1066 if (
fs2.Width()>
fs1.Width())
1113 if (
fs2.Width()>
fs1.Width())
1172 hbar.SetTextFont(12);
1176 hbar.SetTextAlign(11);
1194 minus.SetTextFont(122);
1198 minus.SetTextAlign(11);
1215 plus.SetTextFont(122);
1219 plus.SetTextAlign(11);
1236 mp.SetTextFont(122);
1237 mp.SetTextColor(
spec.fColor);
1238 mp.SetTextSize(
spec.fSize);
1240 mp.SetTextAlign(11);
1246 mp.PaintText(
xx,
yy,
"\261");
1274 bs.SetTextColor(
spec.fColor);
1275 bs.SetTextSize(
spec.fSize);
1277 bs.SetTextAlign(11);
1283 bs.PaintText(
xx,
yy,
"\\");
1329 if (
gVirtualX->InheritsFrom(
"TGCocoa")) {
1380 yy[0] =
yy[1] =
y - sub -
fs1.Over();
1407 xx[1] =
x +
fs1.Width()/2;
1408 xx[0] =
xx[1] -
fs1.Width()/3;
1409 xx[2] =
xx[1] +
fs1.Width()/3;
1410 yy[0] =
y - sub -
fs1.Over();
1411 yy[1] =
yy[0] - 2*sub;
1418 midx =
x +
fs1.Width()/2 - 1.5*sub,
1423 midx =
x +
fs1.Width()/2 + 1.5*sub;
1431 xx[0] =
x +
fs1.Width()/2;
xx[1] =
xx[0] + 3*sub;
1432 yy[0] =
y - sub -
fs1.Over();
1433 yy[1] =
yy[0] - 2.5*sub;
1439 xx[0] =
x +
fs1.Width()/2 + sub;
xx[1] =
xx[0] - 2*sub;
1440 yy[0] =
y - sub -
fs1.Over();
1441 yy[1] =
yy[0] - 2*sub;
1447 xx[1] =
x+
fs1.Width()/2;
xx[0] =
xx[1] - 2*sub;
xx[2] =
xx[1] + 2*sub;
1448 yy[1] =
y - sub -
fs1.Over();
1449 yy[0] =
yy[2] =
yy[1] - 2*sub;
1460 if (
gVirtualX->InheritsFrom(
"TGCocoa"))
y2 -= 4.7*sub;
1471 tilde.SetTextAlign(22);
1486 xx[0] =
x + 0.8*
fs1.Width();
1487 yy[0] =
y -
fs1.Over() - sub;
1488 xx[1] =
x + 0.3*
fs1.Width();
1489 yy[1] =
yy[0] +
fs1.Height() + 2*sub;
1563 l8 =
fs1.Height()/8 ;
1570 l8 =
fs1.Height()/8 ;
1601 fError =
"Missing denominator for #frac";
1615 if (
fs1.Width()<
fs2.Width()) {
1634 fError =
"Missing second line for #splitline";
1710 fError =
"Missing color number. Syntax is #color[(Int_t)nb]{ ... }";
1721 fError =
"Invalid color number. Syntax is #color[(Int_t)nb]{ ... }";
1735 fError =
"Missing font number. Syntax is #font[nb]{ ... }";
1746 fError =
"Invalid font number. Syntax is #font[(Int_t)nb]{ ... }";
1760 fError =
"Missing horizontal shift number. Syntax is #kern[dx]{ ... }";
1771 fError =
"Invalid horizontal shift number. Syntax is #kern[(Float_t)dx]{ ... }";
1790 fError =
"Missing vertical shift number. Syntax is #lower[dy]{ ... }";
1801 fError =
"Invalid vertical shift number. Syntax is #lower[(Float_t)dy]{ ... }";
1820 fError =
"Missing scale factor. Syntax is #scale[(Double_t)nb]{ ... }";
1831 fError =
"Invalid scale factor. Syntax is #factor[(Double_t)nb]{ ... }";
1845 Int_t lut[] = {3, 13, 1, 6, 7, 4, 5, 10, 11, 8, 9, 12, 2, 14, 15};
1871 Int_t lut[] = {13, 3, 2, 5, 4, 7, 6, 9, 8, 11, 10, 15, 1, 14, 12};
1899 for (i=0 ; i<
leng ; i++) {
1905 if (
text[i] ==
'@') {
1907 if ( *(
p+1) ==
'{' || *(
p+1) ==
'}' || *(
p+1) ==
'[' || *(
p+1) ==
']') {
2184 t.
ReplaceAll(
"#splitline",
"\\genfrac{}{}{0pt}{}");
2211 if (!
gPad)
return 0;
2213 if(
newText.Length() == 0)
return 0;
2214 newText.ReplaceAll(
"#hbox",
"#mbox");
2218 std::cout<<
"\n*ERROR<TLatex>: "<<
fError<<std::endl;
2219 std::cout<<
"==> "<<
text1<<std::endl;
2267 x =
gPad->XtoAbsPixel(
x);
2268 y =
gPad->YtoAbsPixel(
y);
2287 std::cout<<
"*ERROR<TLatex>: "<<
fError<<std::endl;
2288 std::cout<<
"==> "<<
text<<std::endl;
2294 case 0:
y -=
fs.Under() ;
break;
2296 case 2:
y +=
fs.Height()*0.5-
fs.Under();
y++;
break;
2297 case 3:
y +=
fs.Over() ;
break;
2300 case 2:
x -=
fs.Width()/2 ;
break;
2301 case 3:
x -=
fs.Width() ;
break;
2326 const Char_t *
kWord1[] = {
"{}^{",
"{}_{",
"^{",
"_{",
"#scale{",
"#color{",
"#font{",
"#sqrt{",
"#[]{",
"#{}{",
"#||{",
2327 "#bar{",
"#vec{",
"#dot{",
"#hat{",
"#ddot{",
"#acute{",
"#grave{",
"#check{",
"#tilde{",
"#slash{",
"#bf{",
"#it{",
"#mbox{",
2328 "\\scale{",
"\\color{",
"\\font{",
"\\sqrt{",
"\\[]{",
"\\{}{",
"\\||{",
"#(){",
"\\(){",
2329 "\\bar{",
"\\vec{",
"\\dot{",
"\\hat{",
"\\ddot{",
"\\acute{",
"\\grave{",
"\\check{",
"\\bf{",
"\\it{",
"\\mbox{"};
2330 const Char_t *
kWord2[] = {
"#scale[",
"#color[",
"#font[",
"#sqrt[",
"#kern[",
"#lower[",
"\\scale[",
"\\color[",
"\\font[",
"\\sqrt[",
"\\kern[",
"\\lower["};
2331 const Char_t *
kWord3[] = {
"#frac{",
"\\frac{",
"#splitline{",
"\\splitline{"};
2332 const Char_t *
kLeft1[] = {
"#left[",
"\\left[",
"#left{",
"\\left{",
"#left|",
"\\left|",
"#left(",
"\\left("};
2333 const Char_t *
kLeft2[] = {
"#[]{",
"#[]{",
"#{}{",
"#{}{",
"#||{",
"#||{",
"#(){",
"#(){"};
2334 const Char_t *kRight[] = {
"#right]",
"\\right]",
"#right}",
"\\right}",
"#right|",
"\\right|",
"#right)",
"\\right)"};
2335 const Int_t lkWord1[] = {4,4,2,2,7,7,6,6,4,4,4,5,5,5,5,6,7,7,7,7,7,4,4,6,7,7,6,6,4,4,4,4,4,5,5,5,5,6,7,7,7,4,4,6};
2336 const Int_t lkWord2[] = {7,7,6,6,6,7,7,7,6,6,6,7} ;
2347 Char_t buf[11] ;
for (i=0;i<11;i++) buf[i]=0;
2365 for (k = 0 ; k <
nLeft1 ; k++) {
2388 fError =
"Operators \"#left\" and \"#right\" don't match !" ;
2392 for (k = 0 ; k <
nLeft1 ; k++) {
2395 for (k = 0 ; k <
nRight ; k++) {
2461 else if (
text[i] ==
']' ) {
2462 text.Insert(i,
"@") ;
2466 else if (
text[i] ==
'[' ) {
2467 text.Insert(i,
"@") ;
2471 else if (
text[i] ==
'{' ) {
2472 text.Insert(i,
"@") ;
2476 else if (
text[i] ==
'}' ) {
2481 text.Insert(i,
"@") ;
2493 fError =
"Invalid number of \"]{\"" ;
2497 fError =
"Error in syntax of \"#frac\"" ;
2501 fError =
"Missing \"{\"" ;
2505 fError =
"Missing \"}\"" ;
2509 fError =
"Missing \"[\"" ;
2513 fError =
"Missing \"]\"" ;
2558 if (!
gPad)
return 0.;
2573 if (!
gPad)
return 0.;
2575 if(
newText.Length() == 0)
return 0;
2578 if (
newText.Contains(
"\\") ) {
2580 return tm.GetXsize();
2585 std::cout<<
"\n*ERROR<TLatex>: "<<
fError<<std::endl;
2586 std::cout<<
"==> "<<
GetTitle()<<std::endl;
2606 if(
newText.Length() == 0)
return;
2609 if (
newText.Contains(
"\\") ) {
2611 tm.GetBoundingBox(
w,
h);
2617 std::cout<<
"\n*ERROR<TLatex>: "<<
fError<<std::endl;
2618 std::cout<<
"==> "<<
GetTitle()<<std::endl;
2638 for (
Int_t i=1; i<4; i++) {
2661 if (!
gPad)
return 0.;
2663 if(
newText.Length() == 0)
return 0;
2666 if (
newText.Contains(
"\\") ) {
2668 return tm.GetYsize();
2673 std::cout<<
"\n*ERROR<TLatex>: "<<
fError<<std::endl;
2674 std::cout<<
"==> "<<
GetTitle()<<std::endl;
2693 Error(
"Readfs",
"No data in fTabSize stack");
2725 out<<
" tex = new TLatex("<<
fX<<
","<<
fY<<
","<<
quote<<s<<
quote<<
");"<<std::endl;
2727 out<<
" tex->SetNDC();"<<std::endl;
2732 out<<
" tex->Draw();"<<std::endl;
size_t size(const MatrixT &matrix)
retrieve the size of a square matrix
ROOT::Detail::TRangeCast< T, true > TRangeDynCast
TRangeDynCast is an adapter class that allows the typed iteration through a TCollection.
winID h TVirtualViewer3D TVirtualGLPainter p
Option_t Option_t SetLineWidth
Option_t Option_t SetTextSize
Option_t Option_t TPoint TPoint const char GetTextMagnitude GetFillStyle GetLineColor GetLineWidth GetMarkerStyle GetTextAlign GetTextColor GetTextSize void char Point_t Rectangle_t WindowAttributes_t Float_t Float_t Float_t Int_t Int_t UInt_t UInt_t Rectangle_t Int_t Int_t Window_t TString Int_t GCValues_t GetPrimarySelectionOwner GetDisplay GetScreen GetColormap GetNativeEvent const char const char dpyName wid window const char font_name cursor keysym reg const char only_if_exist regb h Point_t np
Option_t Option_t TPoint TPoint const char GetTextMagnitude GetFillStyle GetLineColor GetLineWidth GetMarkerStyle GetTextAlign GetTextColor GetTextSize void char Point_t Rectangle_t WindowAttributes_t Float_t r
Option_t Option_t TPoint TPoint const char GetTextMagnitude GetFillStyle GetLineColor GetLineWidth GetMarkerStyle GetTextAlign GetTextColor GetTextSize void char Point_t Rectangle_t WindowAttributes_t Float_t Float_t Float_t Int_t Int_t UInt_t UInt_t Rectangle_t Int_t Int_t Window_t TString Int_t GCValues_t GetPrimarySelectionOwner GetDisplay GetScreen GetColormap GetNativeEvent const char const char dpyName wid window const char font_name cursor keysym reg const char only_if_exist regb h Point_t winding char text const char depth char const char Int_t count const char ColorStruct_t color const char Pixmap_t Pixmap_t PictureAttributes_t attr const char char ret_data h unsigned char height h prop
Option_t Option_t TPoint TPoint const char GetTextMagnitude GetFillStyle GetLineColor GetLineWidth GetMarkerStyle GetTextAlign GetTextColor GetTextSize void char Point_t Rectangle_t WindowAttributes_t Float_t Float_t Float_t Int_t Int_t UInt_t UInt_t Rectangle_t result
Option_t Option_t TPoint TPoint const char GetTextMagnitude GetFillStyle GetLineColor GetLineWidth GetMarkerStyle GetTextAlign GetTextColor GetTextSize void char Point_t Rectangle_t WindowAttributes_t Float_t Float_t Float_t Int_t Int_t UInt_t UInt_t Rectangle_t Int_t Int_t Window_t TString Int_t GCValues_t GetPrimarySelectionOwner GetDisplay GetScreen GetColormap GetNativeEvent const char const char dpyName wid window const char font_name cursor keysym reg const char only_if_exist regb h Point_t winding char text const char depth char const char Int_t count const char ColorStruct_t color const char Pixmap_t Pixmap_t PictureAttributes_t attr const char char ret_data h unsigned char height h length
Option_t Option_t SetLineColor
Option_t Option_t TPoint TPoint const char x2
Option_t Option_t TPoint TPoint const char x1
Option_t Option_t SetTextFont
Option_t Option_t TPoint TPoint angle
Option_t Option_t TPoint TPoint const char y2
Option_t Option_t TPoint TPoint const char DrawLine
Option_t Option_t TPoint TPoint const char GetTextMagnitude GetFillStyle GetLineColor GetLineWidth GetMarkerStyle GetTextAlign GetTextColor GetTextSize fs
Option_t Option_t TPoint TPoint const char GetTextMagnitude GetFillStyle GetLineColor GetLineWidth GetMarkerStyle GetTextAlign GetTextColor GetTextSize void char Point_t Rectangle_t height
Option_t Option_t TPoint TPoint const char text
Option_t Option_t TPoint TPoint const char GetTextMagnitude GetFillStyle GetLineColor GetLineWidth GetMarkerStyle GetTextAlign GetTextColor GetTextSize void char Point_t Rectangle_t WindowAttributes_t Float_t Float_t Float_t Int_t Int_t UInt_t UInt_t Rectangle_t Int_t Int_t Window_t TString Int_t GCValues_t GetPrimarySelectionOwner GetDisplay GetScreen GetColormap GetNativeEvent const char const char dpyName wid window const char font_name cursor keysym reg const char only_if_exist regb h Point_t winding char text const char depth char const char mx
Option_t Option_t TPoint TPoint const char y1
R__EXTERN TVirtualPS * gVirtualPS
Fill Area Attributes class.
virtual Color_t GetLineColor() const
Return the line color.
virtual Width_t GetLineWidth() const
Return the line width.
virtual void Modify()
Change current line attributes if necessary.
void Copy(TAttLine &attline) const
Copy this line attributes to a new TAttLine.
virtual void SaveLineAttributes(std::ostream &out, const char *name, Int_t coldef=1, Int_t stydef=1, Int_t widdef=1)
Save line attributes as C++ statement(s) on output stream out.
virtual Float_t GetTextSize() const
Return the text size.
virtual void Modify()
Change current text attributes if necessary.
virtual void SetTextAlign(Short_t align=11)
Set the text alignment.
virtual Short_t GetTextAlign() const
Return the text alignment.
virtual Font_t GetTextFont() const
Return the text font.
Float_t fTextAngle
Text angle.
virtual Color_t GetTextColor() const
Return the text color.
virtual void SetTextAngle(Float_t tangle=0)
Set the text angle.
virtual Float_t GetTextAngle() const
Return the text angle.
virtual void SetTextColor(Color_t tcolor=1)
Set the text color.
Font_t fTextFont
Text font.
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.
virtual Float_t GetTextSizePercent(Float_t size)
Return the text in percent of the pad size.
Short_t fTextAlign
Text alignment.
void Copy(TAttText &atttext) const
Copy this text attributes to a new TAttText.
To draw Mathematical Formula.
virtual void SetLimitIndiceSize(Int_t limitFactorSize)
Set limit for text resizing of subscripts and superscripts.
Double_t GetXsize()
Return size of the formula along X in pad coordinates when the text precision is smaller than 3.
Double_t GetHeight() const
Return height of current pad in pixels.
void Copy(TObject &text) const override
Copy this TLatex object to another TLatex.
Double_t fFactorPos
! Relative position of subscripts and superscripts
Int_t fLimitFactorSize
lower bound for subscripts/superscripts size
void DrawLine(Double_t x1, Double_t y1, Double_t x2, Double_t y2, const TextSpec_t &spec)
Draw a line in a Latex formula.
TLatexFormSize Anal1(const TextSpec_t &spec, const Char_t *t, Int_t length)
Analyse function.
void DrawParenthesis(Double_t x1, Double_t y1, Double_t r1, Double_t r2, Double_t phimin, Double_t phimax, const TextSpec_t &spec)
Draw an arc of ellipse in a Latex formula (right or left parenthesis)
virtual void SetIndiceSize(Double_t factorSize)
Set relative size of subscripts and superscripts.
std::vector< TLatexFormSize > fTabSize
! array of values for the different zones
Int_t PaintLatex1(Double_t x, Double_t y, Double_t angle, Double_t size, const char *text)
Drawing function.
Double_t fOriginSize
Font size of the starting font.
Double_t GetYsize()
Return size of the formula along Y in pad coordinates when the text precision is smaller than 3.
TLatexFormSize FirstParse(Double_t angle, Double_t size, const Char_t *text)
First parsing of the analyse sequence.
TLatexFormSize Readfs()
Read fs in fTabSize.
void GetBoundingBox(UInt_t &w, UInt_t &h, Bool_t angle=kFALSE) override
Return text size in pixels.
@ kTextNDC
The text position is in NDC coordinates.
TLatex * DrawLatexNDC(Double_t x, Double_t y, const char *text)
Draw this TLatex with new coordinates in NDC.
void DrawCircle(Double_t x1, Double_t y1, Double_t r, const TextSpec_t &spec)
Draw an arc of ellipse in a Latex formula (right or left parenthesis)
virtual void PaintLatex(Double_t x, Double_t y, Double_t angle, Double_t size, const char *text)
Main drawing function.
TLatex()
Default constructor.
Bool_t fShow
! is true during the second pass (Painting)
~TLatex() override
Destructor.
void SavePrimitive(std::ostream &out, Option_t *option="") override
Save primitive as a C++ statement(s) on output stream out.
TLatex & operator=(const TLatex &)
assignment operator
void DrawPolyLine(Int_t npoints, Double_t *xx, Double_t *yy, const TextSpec_t &spec, Double_t scale_width=0.)
Draw a poly line in a Latex formula Is scale_width parameter >=1, fill area will be drawn Otherwise l...
TLatex * DrawLatex(Double_t x, Double_t y, const char *text)
Make a copy of this object with the new parameters And copy object attributes.
Double_t fFactorSize
! Relative size of subscripts and superscripts
const Char_t * fError
! error code
Bool_t fItalic
! Currently inside italic operator
void Paint(Option_t *option="") override
Paint.
TLatexFormSize Analyse(Double_t x, Double_t y, const TextSpec_t &spec, const Char_t *t, Int_t length)
Analyse and paint the TLatex formula.
Int_t CheckLatexSyntax(TString &text)
Check if the Latex syntax is correct.
void Savefs(TLatexFormSize *fs)
Save fs values in array fTabSize.
To draw TeX Mathematical Formula.
const char * GetTitle() const override
Returns title of object.
Mother of all ROOT objects.
R__ALWAYS_INLINE Bool_t TestBit(UInt_t f) const
virtual Bool_t InheritsFrom(const char *classname) const
Returns kTRUE if object inherits from class "classname".
virtual void Error(const char *method, const char *msgfmt,...) const
Issue error message.
@ kCanDelete
if object in a list can be deleted
TString & ReplaceSpecialCppChars()
Find special characters which are typically used in printf() calls and replace them by appropriate es...
const char * Data() const
TString & ReplaceAll(const TString &s1, const TString &s2)
Ssiz_t Index(const char *pat, Ssiz_t i=0, ECaseCompare cmp=kExact) const
Base class for several text objects.
Double_t fY
Y position of text (left,center,etc..)
void Copy(TObject &text) const override
Copy this text to text.
TText & operator=(const TText &src)
Assignment operator.
Double_t fX
X position of text (left,center,etc..)
virtual void GetTextExtent(UInt_t &w, UInt_t &h, const char *text) const
Return text extent for string text.
virtual void GetTextAscentDescent(UInt_t &a, UInt_t &d, const char *text) const
Return text ascent and descent for string text.
virtual void GetControlBox(Int_t x, Int_t y, Double_t theta, Int_t cBoxX[4], Int_t cBoxY[4])
Return the text control box.
TVirtualPS is an abstract interface to Postscript, PDF, SVG.
virtual void Text(Double_t x, Double_t y, const char *string)=0
Int_t Nint(T x)
Round to nearest integer. Rounds half integers to the nearest even integer.
Short_t Max(Short_t a, Short_t b)
Returns the largest of a and b.
Double_t Exp(Double_t x)
Returns the base-e exponential function of x, which is e raised to the power x.
Double_t Log(Double_t x)
Returns the natural logarithm of x.
Short_t Min(Short_t a, Short_t b)
Returns the smallest of a and b.
Double_t Cos(Double_t)
Returns the cosine of an angle of x radians.
Double_t Sin(Double_t)
Returns the sine of an angle of x radians.
Short_t Abs(Short_t d)
Returns the absolute value of parameter Short_t d.
TLatex helper struct holding the attributes of a piece of text.