ROOT 6.12/07 Reference Guide |
To draw TeX Mathematical Formula.
TMathText's purpose is to write mathematical equations, exactly as TeX would do it. The syntax is the same as the TeX's one.
The following example demonstrate how to use TMathText:
The list of all available symbols is given in the following example:
Definition at line 19 of file TMathText.h.
Public Types | |
enum | { kTextNDC = BIT(14) } |
Public Types inherited from TText | |
enum | { kTextNDC = BIT(14) } |
Public Types inherited from TObject | |
enum | { kIsOnHeap = 0x01000000, kNotDeleted = 0x02000000, kZombie = 0x04000000, kInconsistent = 0x08000000, kBitMask = 0x00ffffff } |
enum | { kSingleKey = BIT(0), kOverwrite = BIT(1), kWriteDelete = BIT(2) } |
enum | EDeprecatedStatusBits { kObjInCanvas = BIT(3) } |
enum | EStatusBits { kCanDelete = BIT(0), kMustCleanup = BIT(3), kIsReferenced = BIT(4), kHasUUID = BIT(5), kCannotPick = BIT(6), kNoContextMenu = BIT(8), kInvalidObject = BIT(13) } |
Public Member Functions | |
TMathText (void) | |
Default constructor. More... | |
TMathText (Double_t x, Double_t y, const char *text) | |
Normal constructor. More... | |
TMathText (const TMathText &text) | |
Copy constructor. More... | |
virtual | ~TMathText (void) |
Destructor. More... | |
void | Copy (TObject &text) const |
Copy. More... | |
TMathText * | DrawMathText (Double_t x, Double_t y, const char *text) |
Make a copy of this object with the new parameters and copy object attributes. More... | |
void | GetBoundingBox (UInt_t &w, UInt_t &h, Bool_t angle=kFALSE) |
Get the text width and height. More... | |
Double_t | GetXsize (void) |
Get X size. More... | |
Double_t | GetYsize (void) |
Get Y size. More... | |
virtual void | Paint (Option_t *option="") |
Paint text. More... | |
virtual void | PaintMathText (Double_t x, Double_t y, Double_t angle, Double_t size, const char *text) |
Paint text (used by Paint()). More... | |
virtual void | SavePrimitive (std::ostream &out, Option_t *option="") |
Save primitive as a C++ statement(s) on output stream out. More... | |
Public Member Functions inherited from TText | |
TText () | |
Text default constructor. More... | |
TText (Double_t x, Double_t y, const char *text) | |
Text normal constructor. More... | |
TText (Double_t x, Double_t y, const wchar_t *text) | |
Text normal constructor. More... | |
TText (const TText &text) | |
Copy constructor. More... | |
virtual | ~TText () |
Text default destructor. More... | |
void | Copy (TObject &text) const |
Copy this text to text. More... | |
virtual Int_t | DistancetoPrimitive (Int_t px, Int_t py) |
Compute distance from point px,py to a string. More... | |
virtual TText * | DrawText (Double_t x, Double_t y, const char *text) |
Draw this text with new coordinates. More... | |
virtual TText * | DrawText (Double_t x, Double_t y, const wchar_t *text) |
Draw this text with new coordinates. More... | |
virtual TText * | DrawTextNDC (Double_t x, Double_t y, const char *text) |
Draw this text with new coordinates in NDC. More... | |
virtual TText * | DrawTextNDC (Double_t x, Double_t y, const wchar_t *text) |
Draw this text with new coordinates in NDC. More... | |
virtual void | ExecuteEvent (Int_t event, Int_t px, Int_t py) |
Execute action corresponding to one event. More... | |
virtual Rectangle_t | GetBBox () |
Return the "bounding Box" of the Box. More... | |
virtual TPoint | GetBBoxCenter () |
Return the point given by Alignment as 'center'. More... | |
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. More... | |
virtual void | GetTextAdvance (UInt_t &a, const char *text, const Bool_t kern=kTRUE) const |
Return text advance for string text if kern is true (default) kerning is taken into account. More... | |
virtual void | GetTextAscentDescent (UInt_t &a, UInt_t &d, const char *text) const |
Return text ascent and descent for string text. More... | |
virtual void | GetTextAscentDescent (UInt_t &a, UInt_t &d, const wchar_t *text) const |
Return text ascent and descent for string text. More... | |
virtual void | GetTextExtent (UInt_t &w, UInt_t &h, const char *text) const |
Return text extent for string text. More... | |
virtual void | GetTextExtent (UInt_t &w, UInt_t &h, const wchar_t *text) const |
Return text extent for string text. More... | |
const void * | GetWcsTitle (void) const |
Returns the text as UNICODE. More... | |
Double_t | GetX () const |
Double_t | GetY () const |
virtual void | ls (Option_t *option="") const |
List this text with its attributes. More... | |
virtual void | PaintControlBox (Int_t x, Int_t y, Double_t theta) |
Paint the text control box. More... | |
virtual void | PaintText (Double_t x, Double_t y, const char *text) |
Draw this text with new coordinates. More... | |
virtual void | PaintText (Double_t x, Double_t y, const wchar_t *text) |
Draw this text with new coordinates. More... | |
virtual void | PaintTextNDC (Double_t u, Double_t v, const char *text) |
Draw this text with new coordinates in NDC. More... | |
virtual void | PaintTextNDC (Double_t u, Double_t v, const wchar_t *text) |
Draw this text with new coordinates in NDC. More... | |
virtual void | Print (Option_t *option="") const |
Dump this text with its attributes. More... | |
virtual void | SetBBoxCenter (const TPoint &p) |
Set the point given by Alignment as 'center'. More... | |
virtual void | SetBBoxCenterX (const Int_t x) |
Set X coordinate of the point given by Alignment as 'center'. More... | |
virtual void | SetBBoxCenterY (const Int_t y) |
Set Y coordinate of the point given by Alignment as 'center'. More... | |
virtual void | SetBBoxX1 (const Int_t x) |
Set left hand side of BoundingBox to a value (resize in x direction on left) More... | |
virtual void | SetBBoxX2 (const Int_t x) |
Set right hand side of BoundingBox to a value (resize in x direction on right) More... | |
virtual void | SetBBoxY1 (const Int_t y) |
Set top of BoundingBox to a value (resize in y direction on top) More... | |
virtual void | SetBBoxY2 (const Int_t y) |
Set bottom of BoundingBox to a value (resize in y direction on bottom) More... | |
virtual void | SetMbTitle (const wchar_t *title=L"") |
Change (i.e. set) the title of the TNamed. More... | |
virtual void | SetNDC (Bool_t isNDC=kTRUE) |
Set NDC mode on if isNDC = kTRUE, off otherwise. More... | |
virtual void | SetText (Double_t x, Double_t y, const char *text) |
virtual void | SetText (Double_t x, Double_t y, const wchar_t *text) |
virtual void | SetX (Double_t x) |
virtual void | SetY (Double_t y) |
Public Member Functions inherited from TNamed | |
TNamed () | |
TNamed (const char *name, const char *title) | |
TNamed (const TString &name, const TString &title) | |
TNamed (const TNamed &named) | |
TNamed copy ctor. More... | |
virtual | ~TNamed () |
TNamed destructor. More... | |
virtual void | Clear (Option_t *option="") |
Set name and title to empty strings (""). More... | |
virtual TObject * | Clone (const char *newname="") const |
Make a clone of an object using the Streamer facility. More... | |
virtual Int_t | Compare (const TObject *obj) const |
Compare two TNamed objects. More... | |
virtual void | FillBuffer (char *&buffer) |
Encode TNamed into output buffer. More... | |
virtual const char * | GetName () const |
Returns name of object. More... | |
virtual const char * | GetTitle () const |
Returns title of object. More... | |
virtual ULong_t | Hash () const |
Return hash value for this object. More... | |
virtual Bool_t | IsSortable () const |
TNamed & | operator= (const TNamed &rhs) |
TNamed assignment operator. More... | |
virtual void | SetName (const char *name) |
Set the name of the TNamed. More... | |
virtual void | SetNameTitle (const char *name, const char *title) |
Set all the TNamed parameters (name and title). More... | |
virtual void | SetTitle (const char *title="") |
Set the title of the TNamed. More... | |
virtual Int_t | Sizeof () const |
Return size of the TNamed part of the TObject. More... | |
Public Member Functions inherited from TObject | |
TObject () | |
TObject constructor. More... | |
TObject (const TObject &object) | |
TObject copy ctor. More... | |
virtual | ~TObject () |
TObject destructor. More... | |
void | AbstractMethod (const char *method) const |
Use this method to implement an "abstract" method that you don't want to leave purely abstract. More... | |
virtual void | AppendPad (Option_t *option="") |
Append graphics object to current pad. More... | |
virtual void | Browse (TBrowser *b) |
Browse object. May be overridden for another default action. More... | |
ULong_t | CheckedHash () |
Checked and record whether for this class has a consistent Hash/RecursiveRemove setup (*) and then return the regular Hash value for this object. More... | |
virtual const char * | ClassName () const |
Returns name of class to which the object belongs. More... | |
virtual void | Delete (Option_t *option="") |
Delete this object. More... | |
virtual void | Draw (Option_t *option="") |
Default Draw method for all objects. More... | |
virtual void | DrawClass () const |
Draw class inheritance tree of the class to which this object belongs. More... | |
virtual TObject * | DrawClone (Option_t *option="") const |
Draw a clone of this object in the current selected pad for instance with: gROOT->SetSelectedPad(gPad) . More... | |
virtual void | Dump () const |
Dump contents of object on stdout. More... | |
virtual void | Error (const char *method, const char *msgfmt,...) const |
Issue error message. More... | |
virtual void | Execute (const char *method, const char *params, Int_t *error=0) |
Execute method on this object with the given parameter string, e.g. More... | |
virtual void | Execute (TMethod *method, TObjArray *params, Int_t *error=0) |
Execute method on this object with parameters stored in the TObjArray. More... | |
virtual void | Fatal (const char *method, const char *msgfmt,...) const |
Issue fatal error message. More... | |
virtual TObject * | FindObject (const char *name) const |
Must be redefined in derived classes. More... | |
virtual TObject * | FindObject (const TObject *obj) const |
Must be redefined in derived classes. More... | |
virtual Option_t * | GetDrawOption () const |
Get option used by the graphics system to draw this object. More... | |
virtual const char * | GetIconName () const |
Returns mime type name of object. More... | |
virtual char * | GetObjectInfo (Int_t px, Int_t py) const |
Returns string containing info about the object at position (px,py). More... | |
virtual Option_t * | GetOption () const |
virtual UInt_t | GetUniqueID () const |
Return the unique object id. More... | |
virtual Bool_t | HandleTimer (TTimer *timer) |
Execute action in response of a timer timing out. More... | |
Bool_t | HasInconsistentHash () const |
Return true is the type of this object is known to have an inconsistent setup for Hash and RecursiveRemove (i.e. More... | |
virtual void | Info (const char *method, const char *msgfmt,...) const |
Issue info message. More... | |
virtual Bool_t | InheritsFrom (const char *classname) const |
Returns kTRUE if object inherits from class "classname". More... | |
virtual Bool_t | InheritsFrom (const TClass *cl) const |
Returns kTRUE if object inherits from TClass cl. More... | |
virtual void | Inspect () const |
Dump contents of this object in a graphics canvas. More... | |
void | InvertBit (UInt_t f) |
virtual Bool_t | IsEqual (const TObject *obj) const |
Default equal comparison (objects are equal if they have the same address in memory). More... | |
virtual Bool_t | IsFolder () const |
Returns kTRUE in case object contains browsable objects (like containers or lists of other objects). More... | |
R__ALWAYS_INLINE Bool_t | IsOnHeap () const |
R__ALWAYS_INLINE Bool_t | IsZombie () const |
void | MayNotUse (const char *method) const |
Use this method to signal that a method (defined in a base class) may not be called in a derived class (in principle against good design since a child class should not provide less functionality than its parent, however, sometimes it is necessary). More... | |
virtual Bool_t | Notify () |
This method must be overridden to handle object notification. More... | |
void | Obsolete (const char *method, const char *asOfVers, const char *removedFromVers) const |
Use this method to declare a method obsolete. More... | |
void | operator delete (void *ptr) |
Operator delete. More... | |
void | operator delete[] (void *ptr) |
Operator delete []. More... | |
void * | operator new (size_t sz) |
void * | operator new (size_t sz, void *vp) |
void * | operator new[] (size_t sz) |
void * | operator new[] (size_t sz, void *vp) |
TObject & | operator= (const TObject &rhs) |
TObject assignment operator. More... | |
virtual void | Pop () |
Pop on object drawn in a pad to the top of the display list. More... | |
virtual Int_t | Read (const char *name) |
Read contents of object with specified name from the current directory. More... | |
virtual void | RecursiveRemove (TObject *obj) |
Recursively remove this object from a list. More... | |
void | ResetBit (UInt_t f) |
virtual void | SaveAs (const char *filename="", Option_t *option="") const |
Save this object in the file specified by filename. More... | |
void | SetBit (UInt_t f, Bool_t set) |
Set or unset the user status bits as specified in f. More... | |
void | SetBit (UInt_t f) |
virtual void | SetDrawOption (Option_t *option="") |
Set drawing option for object. More... | |
virtual void | SetUniqueID (UInt_t uid) |
Set the unique object id. More... | |
virtual void | SysError (const char *method, const char *msgfmt,...) const |
Issue system error message. More... | |
R__ALWAYS_INLINE Bool_t | TestBit (UInt_t f) const |
Int_t | TestBits (UInt_t f) const |
virtual void | UseCurrentStyle () |
Set current style settings in this object This function is called when either TCanvas::UseCurrentStyle or TROOT::ForceStyle have been invoked. More... | |
virtual void | Warning (const char *method, const char *msgfmt,...) const |
Issue warning message. More... | |
virtual Int_t | Write (const char *name=0, Int_t option=0, Int_t bufsize=0) |
Write this object to the current directory. More... | |
virtual Int_t | Write (const char *name=0, Int_t option=0, Int_t bufsize=0) const |
Write this object to the current directory. More... | |
Public Member Functions inherited from TAttText | |
TAttText () | |
AttText default constructor. More... | |
TAttText (Int_t align, Float_t angle, Color_t color, Style_t font, Float_t tsize) | |
AttText normal constructor. More... | |
virtual | ~TAttText () |
AttText destructor. More... | |
void | Copy (TAttText &atttext) const |
Copy this text attributes to a new TAttText. More... | |
virtual Short_t | GetTextAlign () const |
Return the text alignment. More... | |
virtual Float_t | GetTextAngle () const |
Return the text angle. More... | |
virtual Color_t | GetTextColor () const |
Return the text color. More... | |
virtual Font_t | GetTextFont () const |
Return the text font. More... | |
virtual Float_t | GetTextSize () const |
Return the text size. More... | |
virtual void | Modify () |
Change current text attributes if necessary. More... | |
virtual void | ResetAttText (Option_t *toption="") |
Reset this text attributes to default values. More... | |
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. More... | |
virtual void | SetTextAlign (Short_t align=11) |
Set the text alignment. More... | |
virtual void | SetTextAngle (Float_t tangle=0) |
Set the text angle. More... | |
virtual void | SetTextAttributes () |
Invoke the DialogCanvas Text attributes. More... | |
virtual void | SetTextColor (Color_t tcolor=1) |
Set the text color. More... | |
virtual void | SetTextColorAlpha (Color_t tcolor, Float_t talpha) |
Set a transparent marker color. More... | |
virtual void | SetTextFont (Font_t tfont=62) |
Set the text font. More... | |
virtual void | SetTextSize (Float_t tsize=1) |
Set the text size. More... | |
virtual void | SetTextSizePixels (Int_t npixels) |
Set the text size in pixels. More... | |
Public Member Functions inherited from TAttBBox2D | |
virtual | ~TAttBBox2D () |
Public Member Functions inherited from TAttFill | |
TAttFill () | |
AttFill default constructor. More... | |
TAttFill (Color_t fcolor, Style_t fstyle) | |
AttFill normal constructor. More... | |
virtual | ~TAttFill () |
AttFill destructor. More... | |
void | Copy (TAttFill &attfill) const |
Copy this fill attributes to a new TAttFill. More... | |
virtual Color_t | GetFillColor () const |
Return the fill area color. More... | |
virtual Style_t | GetFillStyle () const |
Return the fill area style. More... | |
virtual Bool_t | IsTransparent () const |
virtual void | Modify () |
Change current fill area attributes if necessary. More... | |
virtual void | ResetAttFill (Option_t *option="") |
Reset this fill attributes to default values. More... | |
virtual void | SaveFillAttributes (std::ostream &out, const char *name, Int_t coldef=1, Int_t stydef=1001) |
Save fill attributes as C++ statement(s) on output stream out. More... | |
virtual void | SetFillAttributes () |
Invoke the DialogCanvas Fill attributes. More... | |
virtual void | SetFillColor (Color_t fcolor) |
Set the fill area color. More... | |
virtual void | SetFillColorAlpha (Color_t fcolor, Float_t falpha) |
Set a transparent fill color. More... | |
virtual void | SetFillStyle (Style_t fstyle) |
Set the fill area style. More... | |
Protected Member Functions | |
void | GetAlignPoint (Double_t &x0, Double_t &y0, const Double_t size, const Double_t angle, const Char_t *t, const Int_t length, const Short_t align) |
Alignment. More... | |
void | GetSize (Double_t &x0, Double_t &y0, Double_t &x1, Double_t &y1, const Double_t size, const Double_t angle, const Char_t *t, const Int_t length) |
Get the text bounding box. More... | |
TMathText & | operator= (const TMathText &) |
TMathText Painter. More... | |
void | Render (const Double_t x, const Double_t y, const Double_t size, const Double_t angle, const Char_t *t, const Int_t length) |
Render the text. More... | |
Protected Member Functions inherited from TObject | |
virtual void | DoError (int level, const char *location, const char *fmt, va_list va) const |
Interface to ErrorHandler (protected). More... | |
void | MakeZombie () |
Protected Attributes | |
void * | fRenderer |
Protected Attributes inherited from TText | |
void * | fWcsTitle |
!Used by TMathText More... | |
Double_t | fX |
X position of text (left,center,etc..) More... | |
Double_t | fY |
Y position of text (left,center,etc..) More... | |
Protected Attributes inherited from TNamed | |
TString | fName |
TString | fTitle |
Protected Attributes inherited from TAttText | |
Short_t | fTextAlign |
Text alignment. More... | |
Float_t | fTextAngle |
Text angle. More... | |
Color_t | fTextColor |
Text color. More... | |
Font_t | fTextFont |
Text font. More... | |
Float_t | fTextSize |
Text size. More... | |
Protected Attributes inherited from TAttFill | |
Color_t | fFillColor |
Fill area color. More... | |
Style_t | fFillStyle |
Fill area style. More... | |
Friends | |
class | TMathTextRenderer |
Additional Inherited Members | |
Static Public Member Functions inherited from TObject | |
static Long_t | GetDtorOnly () |
Return destructor only flag. More... | |
static Bool_t | GetObjectStat () |
Get status of object stat flag. More... | |
static void | SetDtorOnly (void *obj) |
Set destructor only flag. More... | |
static void | SetObjectStat (Bool_t stat) |
Turn on/off tracking of objects in the TObjectTable. More... | |
#include <TMathText.h>
anonymous enum |
Enumerator | |
---|---|
kTextNDC |
Definition at line 36 of file TMathText.h.
TMathText::TMathText | ( | void | ) |
Default constructor.
Definition at line 344 of file TMathText.cxx.
Normal constructor.
Definition at line 353 of file TMathText.cxx.
TMathText::TMathText | ( | const TMathText & | text | ) |
Copy constructor.
Definition at line 369 of file TMathText.cxx.
|
virtual |
Destructor.
Definition at line 362 of file TMathText.cxx.
Make a copy of this object with the new parameters and copy object attributes.
Definition at line 548 of file TMathText.cxx.
|
protected |
Alignment.
Definition at line 449 of file TMathText.cxx.
Get the text width and height.
Reimplemented from TText.
Definition at line 485 of file TMathText.cxx.
|
protected |
Get the text bounding box.
Definition at line 416 of file TMathText.cxx.
Get X size.
Definition at line 505 of file TMathText.cxx.
Get Y size.
Definition at line 526 of file TMathText.cxx.
|
virtual |
Paint text (used by Paint()).
Definition at line 583 of file TMathText.cxx.
|
protected |
Render the text.
Definition at line 402 of file TMathText.cxx.
Save primitive as a C++ statement(s) on output stream out.
Reimplemented from TText.
Definition at line 676 of file TMathText.cxx.
|
friend |
Definition at line 57 of file TMathText.h.
|
protected |
Definition at line 21 of file TMathText.h.