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ROOT
6.07/01
Reference Guide
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A class to define a conversion from pixel values to pixel color.
A Palette is defined by some anchor points. Each anchor point has a value between 0 and 1 and a color. An image has to be normalized and the values between the anchor points are interpolated. All member variables are public and can be directly manipulated. In most cases the default operator will be used to create a TImagePalette. In this case the member arrays have to be allocated by an application and will be deleted in the destructor of this class.
We provide few predefined palettes:
if ncolors == 1 && colors == 0, then a Rainbow Palette is created.
if ncolors > 50 and colors=0, the DeepSea palette is used. (see TStyle::CreateGradientColorTable for more details)
if ncolors > 0 and colors = 0, the default palette is used with a maximum of ncolors.
The default palette defines:
Definition at line 83 of file TAttImage.h.
Public Member Functions | |
TImagePalette () | |
Default constructor, sets all pointers to 0. More... | |
TImagePalette (const TImagePalette &palette) | |
Copy constructor. More... | |
TImagePalette (UInt_t numPoints) | |
Constructor for a palette with numPoints anchor points. More... | |
TImagePalette (Int_t ncolors, Int_t *colors) | |
Creates palette in the same way as TStyle::SetPalette. More... | |
virtual | ~TImagePalette () |
Destructor. More... | |
virtual Int_t | FindColor (UShort_t r, UShort_t g, UShort_t b) |
Returns an index of the closest color. More... | |
virtual Int_t * | GetRootColors () |
Returns a list of ROOT colors. More... | |
TImagePalette & | operator= (const TImagePalette &palette) |
Assignment operator. More... | |
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TObject () | |
TObject (const TObject &object) | |
TObject copy ctor. More... | |
TObject & | operator= (const TObject &rhs) |
TObject assignment operator. More... | |
virtual | ~TObject () |
TObject destructor. 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... | |
virtual const char * | ClassName () const |
Returns name of class to which the object belongs. More... | |
virtual void | Clear (Option_t *="") |
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 abstract method. More... | |
virtual void | Copy (TObject &object) const |
Copy this to obj. More... | |
virtual void | Delete (Option_t *option="") |
Delete this object. More... | |
virtual Int_t | DistancetoPrimitive (Int_t px, Int_t py) |
Computes distance from point (px,py) to the 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 pad. More... | |
virtual void | Dump () const |
Dump contents of object on stdout. 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 | ExecuteEvent (Int_t event, Int_t px, Int_t py) |
Execute action corresponding to an event at (px,py). 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 UInt_t | GetUniqueID () const |
Return the unique object id. More... | |
virtual const char * | GetName () const |
Returns name of object. More... | |
virtual const char * | GetIconName () const |
Returns mime type name of object. More... | |
virtual Option_t * | GetOption () const |
virtual char * | GetObjectInfo (Int_t px, Int_t py) const |
Returns string containing info about the object at position (px,py). More... | |
virtual const char * | GetTitle () const |
Returns title of object. More... | |
virtual Bool_t | HandleTimer (TTimer *timer) |
Execute action in response of a timer timing out. More... | |
virtual ULong_t | Hash () const |
Return hash value for this object. 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... | |
virtual Bool_t | IsFolder () const |
Returns kTRUE in case object contains browsable objects (like containers or lists of other objects). More... | |
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 | IsSortable () const |
Bool_t | IsOnHeap () const |
Bool_t | IsZombie () const |
virtual Bool_t | Notify () |
This method must be overridden to handle object notification. More... | |
virtual void | ls (Option_t *option="") const |
The ls function lists the contents of a class on stdout. More... | |
virtual void | Paint (Option_t *option="") |
This method must be overridden if a class wants to paint itself. More... | |
virtual void | Pop () |
Pop on object drawn in a pad to the top of the display list. More... | |
virtual void | Print (Option_t *option="") const |
This method must be overridden when a class wants to print itself. 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... | |
virtual void | SaveAs (const char *filename="", Option_t *option="") const |
Save this object in the file specified by filename. More... | |
virtual void | SavePrimitive (std::ostream &out, Option_t *option="") |
Save a primitive as a C++ statement(s) on output stream "out". More... | |
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 | UseCurrentStyle () |
Set current style settings in this object This function is called when either TCanvas::UseCurrentStyle or TROOT::ForceStyle have been invoked. 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... | |
void * | operator new (size_t sz) |
void * | operator new[] (size_t sz) |
void * | operator new (size_t sz, void *vp) |
void * | operator new[] (size_t sz, void *vp) |
void | operator delete (void *ptr) |
Operator delete. More... | |
void | operator delete[] (void *ptr) |
Operator delete []. 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) |
void | ResetBit (UInt_t f) |
Bool_t | TestBit (UInt_t f) const |
Int_t | TestBits (UInt_t f) const |
void | InvertBit (UInt_t f) |
virtual void | Info (const char *method, const char *msgfmt,...) const |
Issue info message. More... | |
virtual void | Warning (const char *method, const char *msgfmt,...) const |
Issue warning message. More... | |
virtual void | Error (const char *method, const char *msgfmt,...) const |
Issue error message. More... | |
virtual void | SysError (const char *method, const char *msgfmt,...) const |
Issue system error message. More... | |
virtual void | Fatal (const char *method, const char *msgfmt,...) const |
Issue fatal error message. 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... | |
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... | |
void | Obsolete (const char *method, const char *asOfVers, const char *removedFromVers) const |
Use this method to declare a method obsolete. More... | |
Public Attributes | |
UInt_t | fNumPoints |
Double_t * | fPoints |
UShort_t * | fColorRed |
UShort_t * | fColorGreen |
UShort_t * | fColorBlue |
UShort_t * | fColorAlpha |
Additional Inherited Members | |
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enum | EStatusBits { kCanDelete = BIT(0), kMustCleanup = BIT(3), kObjInCanvas = BIT(3), kIsReferenced = BIT(4), kHasUUID = BIT(5), kCannotPick = BIT(6), kNoContextMenu = BIT(8), kInvalidObject = BIT(13) } |
enum | { kIsOnHeap = 0x01000000, kNotDeleted = 0x02000000, kZombie = 0x04000000, kBitMask = 0x00ffffff } |
enum | { kSingleKey = BIT(0), kOverwrite = BIT(1), kWriteDelete = BIT(2) } |
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static Long_t | GetDtorOnly () |
Return destructor only flag. More... | |
static void | SetDtorOnly (void *obj) |
Set destructor only flag. More... | |
static Bool_t | GetObjectStat () |
Get status of object stat flag. More... | |
static void | SetObjectStat (Bool_t stat) |
Turn on/off tracking of objects in the TObjectTable. More... | |
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void | MakeZombie () |
virtual void | DoError (int level, const char *location, const char *fmt, va_list va) const |
Interface to ErrorHandler (protected). More... | |
#include <TAttImage.h>
TImagePalette::TImagePalette | ( | ) |
Default constructor, sets all pointers to 0.
Definition at line 270 of file TAttImage.cxx.
TImagePalette::TImagePalette | ( | const TImagePalette & | palette | ) |
Copy constructor.
Definition at line 297 of file TAttImage.cxx.
TImagePalette::TImagePalette | ( | UInt_t | numPoints | ) |
Constructor for a palette with numPoints anchor points.
It allocates the memory but does not set any colors.
Definition at line 284 of file TAttImage.cxx.
Creates palette in the same way as TStyle::SetPalette.
Definition at line 317 of file TAttImage.cxx.
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virtual |
Destructor.
Definition at line 441 of file TAttImage.cxx.
Returns an index of the closest color.
Definition at line 485 of file TAttImage.cxx.
Referenced by TASImage::GetArray().
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virtual |
Returns a list of ROOT colors.
Could be used to set histogram palette. See also TStyle::SetPalette
Definition at line 507 of file TAttImage.cxx.
TImagePalette & TImagePalette::operator= | ( | const TImagePalette & | palette | ) |
Assignment operator.
Definition at line 453 of file TAttImage.cxx.
UShort_t* TImagePalette::fColorAlpha |
Definition at line 91 of file TAttImage.h.
Referenced by TASPaletteEditor::InvertPalette(), TASPaletteEditor::NewPalette(), TASPaletteEditor::Open(), operator=(), TASImage::Paint(), TFITSHDU::ReadAsImage(), TAttImage::ResetAttImage(), TASPaletteEditor::Save(), TASImage::SetImage(), TASImage::SetPalette(), TAttImage::SetPalette(), TASPaletteEditor::SetRamp(), TASPaletteEditor::SetStep(), TImagePalette(), TASPaletteEditor::UpdateScreen(), TASImage::Vectorize(), and ~TImagePalette().
UShort_t* TImagePalette::fColorBlue |
Definition at line 90 of file TAttImage.h.
Referenced by FindColor(), GetRootColors(), TASPaletteEditor::InvertPalette(), TASPaletteEditor::NewPalette(), TASPaletteEditor::Open(), operator=(), TASImage::Paint(), TFITSHDU::ReadAsImage(), TAttImage::ResetAttImage(), TASPaletteEditor::Save(), TASImage::SetImage(), TASImage::SetPalette(), TAttImage::SetPalette(), TASPaletteEditor::SetRamp(), TASPaletteEditor::SetStep(), TImagePalette(), TASPaletteEditor::UpdateScreen(), TASImage::Vectorize(), and ~TImagePalette().
UShort_t* TImagePalette::fColorGreen |
Definition at line 89 of file TAttImage.h.
Referenced by FindColor(), GetRootColors(), TASPaletteEditor::InvertPalette(), TASPaletteEditor::NewPalette(), TASPaletteEditor::Open(), operator=(), TASImage::Paint(), TFITSHDU::ReadAsImage(), TAttImage::ResetAttImage(), TASPaletteEditor::Save(), TASImage::SetImage(), TASImage::SetPalette(), TAttImage::SetPalette(), TASPaletteEditor::SetRamp(), TASPaletteEditor::SetStep(), TImagePalette(), TASPaletteEditor::UpdateScreen(), TASImage::Vectorize(), and ~TImagePalette().
UShort_t* TImagePalette::fColorRed |
Definition at line 88 of file TAttImage.h.
Referenced by FindColor(), GetRootColors(), TASPaletteEditor::InvertPalette(), TASPaletteEditor::NewPalette(), TASPaletteEditor::Open(), operator=(), TASImage::Paint(), TFITSHDU::ReadAsImage(), TAttImage::ResetAttImage(), TASPaletteEditor::Save(), TASImage::SetImage(), TASImage::SetPalette(), TAttImage::SetPalette(), TASPaletteEditor::SetRamp(), TASPaletteEditor::SetStep(), TImagePalette(), TASPaletteEditor::UpdateScreen(), TASImage::Vectorize(), and ~TImagePalette().
UInt_t TImagePalette::fNumPoints |
Definition at line 86 of file TAttImage.h.
Referenced by TASPaletteEditor::ExpPalette(), FindColor(), GetRootColors(), TASPaletteEditor::InvertPalette(), TASPaletteEditor::LinPalette(), TASPaletteEditor::LogPalette(), TASPaletteEditor::NewPalette(), operator=(), TASImage::Paint(), TAttImage::ResetAttImage(), TASPaletteEditor::Save(), TASImage::SetImage(), TASImage::SetPalette(), TAttImage::SetPalette(), TASPaletteEditor::SetRamp(), TASPaletteEditor::SetStep(), TImagePalette(), TASPaletteEditor::UpdateRange(), and TASPaletteEditor::UpdateScreen().
Double_t* TImagePalette::fPoints |
Definition at line 87 of file TAttImage.h.
Referenced by TASPaletteEditor::ExpPalette(), TASImage::GetArray(), TASPaletteEditor::InvertPalette(), TASPaletteEditor::LinPalette(), TASPaletteEditor::LogPalette(), TASPaletteEditor::NewPalette(), TASPaletteEditor::Open(), operator=(), TASImage::Paint(), TFITSHDU::ReadAsImage(), TAttImage::ResetAttImage(), TASPaletteEditor::Save(), TASImage::SetImage(), TASImage::SetPalette(), TAttImage::SetPalette(), TASPaletteEditor::SetRamp(), TASPaletteEditor::SetStep(), TImagePalette(), TASPaletteEditor::UpdateRange(), TASPaletteEditor::UpdateScreen(), TASImage::Vectorize(), and ~TImagePalette().