Define a linear color gradient.
Definition at line 99 of file TColorGradient.h.
Public Member Functions | |
TLinearGradient () | |
TLinearGradient (Color_t newColor, UInt_t nPoints, const Double_t *points, const Color_t *colorIndices, ECoordinateMode mode=kObjectBoundingMode) | |
Constructor. | |
TLinearGradient (Color_t newColor, UInt_t nPoints, const Double_t *points, const Double_t *colors, ECoordinateMode mode=kObjectBoundingMode) | |
Constructor. | |
const Point & | GetEnd () const |
Get end. | |
const Point & | GetStart () const |
Get start. | |
void | SetStartEnd (const Point &p1, const Point &p2) |
Set end and start. | |
Public Member Functions inherited from TColorGradient | |
const Double_t * | GetColorPositions () const |
Get color positions. | |
const Double_t * | GetColors () const |
Get colors. | |
ECoordinateMode | GetCoordinateMode () const |
Get coordinate mode. | |
SizeType_t | GetNumberOfSteps () const |
Get number of steps. | |
void | ResetColor (UInt_t nPoints, const Double_t *points, const Color_t *colorIndices) |
Reset color. | |
void | ResetColor (UInt_t nPoints, const Double_t *points, const Double_t *colorIndices) |
Reset color. | |
void | SetCoordinateMode (ECoordinateMode mode) |
Set coordinate mode. | |
Public Member Functions inherited from TColor | |
TColor () | |
Default constructor. | |
TColor (const TColor &color) | |
Color copy constructor. | |
TColor (Float_t r, Float_t g, Float_t b, Float_t a=1) | |
Fast TColor constructor. | |
TColor (Int_t color, Float_t r, Float_t g, Float_t b, const char *name="", Float_t a=1) | |
Normal color constructor. | |
virtual | ~TColor () |
Color destructor. | |
const char * | AsHexString () const |
Return color as hexadecimal string. | |
void | Copy (TObject &color) const |
Copy this color to obj. | |
Float_t | GetAlpha () const |
Float_t | GetBlue () const |
virtual Float_t | GetGrayscale () const |
Float_t | GetGreen () const |
virtual void | GetHLS (Float_t &h, Float_t &l, Float_t &s) const |
Float_t | GetHue () const |
Float_t | GetLight () const |
Int_t | GetNumber () const |
ULong_t | GetPixel () const |
Return pixel value corresponding to this color. | |
Float_t | GetRed () const |
virtual void | GetRGB (Float_t &r, Float_t &g, Float_t &b) const |
Float_t | GetSaturation () const |
virtual void | ls (Option_t *option="") const |
List this color with its attributes. | |
TColor & | operator= (const TColor &color) |
virtual void | Print (Option_t *option="") const |
Dump this color with its attributes. | |
virtual void | SetAlpha (Float_t a) |
virtual void | SetRGB (Float_t r, Float_t g, Float_t b) |
Initialize this color and its associated colors. | |
Public Member Functions inherited from TNamed | |
TNamed () | |
TNamed (const char *name, const char *title) | |
TNamed (const TNamed &named) | |
TNamed copy ctor. | |
TNamed (const TString &name, const TString &title) | |
virtual | ~TNamed () |
TNamed destructor. | |
virtual void | Clear (Option_t *option="") |
Set name and title to empty strings (""). | |
virtual TObject * | Clone (const char *newname="") const |
Make a clone of an object using the Streamer facility. | |
virtual Int_t | Compare (const TObject *obj) const |
Compare two TNamed objects. | |
virtual void | FillBuffer (char *&buffer) |
Encode TNamed into output buffer. | |
virtual const char * | GetName () const |
Returns name of object. | |
virtual const char * | GetTitle () const |
Returns title of object. | |
virtual ULong_t | Hash () const |
Return hash value for this object. | |
virtual Bool_t | IsSortable () const |
TNamed & | operator= (const TNamed &rhs) |
TNamed assignment operator. | |
virtual void | SetName (const char *name) |
Set the name of the TNamed. | |
virtual void | SetNameTitle (const char *name, const char *title) |
Set all the TNamed parameters (name and title). | |
virtual void | SetTitle (const char *title="") |
Set the title of the TNamed. | |
virtual Int_t | Sizeof () const |
Return size of the TNamed part of the TObject. | |
Public Member Functions inherited from TObject | |
TObject () | |
TObject constructor. | |
TObject (const TObject &object) | |
TObject copy ctor. | |
virtual | ~TObject () |
TObject destructor. | |
void | AbstractMethod (const char *method) const |
Use this method to implement an "abstract" method that you don't want to leave purely abstract. | |
virtual void | AppendPad (Option_t *option="") |
Append graphics object to current pad. | |
virtual void | Browse (TBrowser *b) |
Browse object. May be overridden for another default action. | |
ULong_t | CheckedHash () |
Check and record whether this class has a consistent Hash/RecursiveRemove setup (*) and then return the regular Hash value for this object. | |
virtual const char * | ClassName () const |
Returns name of class to which the object belongs. | |
virtual void | Delete (Option_t *option="") |
Delete this object. | |
virtual Int_t | DistancetoPrimitive (Int_t px, Int_t py) |
Computes distance from point (px,py) to the object. | |
virtual void | Draw (Option_t *option="") |
Default Draw method for all objects. | |
virtual void | DrawClass () const |
Draw class inheritance tree of the class to which this object belongs. | |
virtual TObject * | DrawClone (Option_t *option="") const |
Draw a clone of this object in the current selected pad for instance with: gROOT->SetSelectedPad(gPad) . | |
virtual void | Dump () const |
Dump contents of object on stdout. | |
virtual void | Error (const char *method, const char *msgfmt,...) const |
Issue error message. | |
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. | |
virtual void | Execute (TMethod *method, TObjArray *params, Int_t *error=0) |
Execute method on this object with parameters stored in the TObjArray. | |
virtual void | ExecuteEvent (Int_t event, Int_t px, Int_t py) |
Execute action corresponding to an event at (px,py). | |
virtual void | Fatal (const char *method, const char *msgfmt,...) const |
Issue fatal error message. | |
virtual TObject * | FindObject (const char *name) const |
Must be redefined in derived classes. | |
virtual TObject * | FindObject (const TObject *obj) const |
Must be redefined in derived classes. | |
virtual Option_t * | GetDrawOption () const |
Get option used by the graphics system to draw this object. | |
virtual const char * | GetIconName () const |
Returns mime type name of object. | |
virtual char * | GetObjectInfo (Int_t px, Int_t py) const |
Returns string containing info about the object at position (px,py). | |
virtual Option_t * | GetOption () const |
virtual UInt_t | GetUniqueID () const |
Return the unique object id. | |
virtual Bool_t | HandleTimer (TTimer *timer) |
Execute action in response of a timer timing out. | |
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. | |
virtual void | Info (const char *method, const char *msgfmt,...) const |
Issue info message. | |
virtual Bool_t | InheritsFrom (const char *classname) const |
Returns kTRUE if object inherits from class "classname". | |
virtual Bool_t | InheritsFrom (const TClass *cl) const |
Returns kTRUE if object inherits from TClass cl. | |
virtual void | Inspect () const |
Dump contents of this object in a graphics canvas. | |
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). | |
virtual Bool_t | IsFolder () const |
Returns kTRUE in case object contains browsable objects (like containers or lists of other objects). | |
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). | |
virtual Bool_t | Notify () |
This method must be overridden to handle object notification. | |
void | Obsolete (const char *method, const char *asOfVers, const char *removedFromVers) const |
Use this method to declare a method obsolete. | |
void | operator delete (void *ptr) |
Operator delete. | |
void | operator delete[] (void *ptr) |
Operator delete []. | |
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. | |
virtual void | Paint (Option_t *option="") |
This method must be overridden if a class wants to paint itself. | |
virtual void | Pop () |
Pop on object drawn in a pad to the top of the display list. | |
virtual Int_t | Read (const char *name) |
Read contents of object with specified name from the current directory. | |
virtual void | RecursiveRemove (TObject *obj) |
Recursively remove this object from a list. | |
void | ResetBit (UInt_t f) |
virtual void | SaveAs (const char *filename="", Option_t *option="") const |
Save this object in the file specified by filename. | |
virtual void | SavePrimitive (std::ostream &out, Option_t *option="") |
Save a primitive as a C++ statement(s) on output stream "out". | |
void | SetBit (UInt_t f) |
void | SetBit (UInt_t f, Bool_t set) |
Set or unset the user status bits as specified in f. | |
virtual void | SetDrawOption (Option_t *option="") |
Set drawing option for object. | |
virtual void | SetUniqueID (UInt_t uid) |
Set the unique object id. | |
virtual void | SysError (const char *method, const char *msgfmt,...) const |
Issue system error message. | |
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. | |
virtual void | Warning (const char *method, const char *msgfmt,...) const |
Issue warning message. | |
virtual Int_t | Write (const char *name=0, Int_t option=0, Int_t bufsize=0) |
Write this object to the current directory. | |
virtual Int_t | Write (const char *name=0, Int_t option=0, Int_t bufsize=0) const |
Write this object to the current directory. | |
Private Attributes | |
Point | fEnd |
Point | fStart |
Additional Inherited Members | |
Public Types inherited from TColorGradient | |
enum | ECoordinateMode { kPadMode , kObjectBoundingMode } |
typedef std::vector< Color_t >::size_type | SizeType_t |
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) } |
Static Public Member Functions inherited from TColor | |
static void | CreateColorsCircle (Int_t offset, const char *name, UChar_t *rgb) |
Create the "circle" colors in the color wheel. | |
static void | CreateColorsGray () |
Create the Gray scale colors in the Color Wheel. | |
static void | CreateColorsRectangle (Int_t offset, const char *name, UChar_t *rgb) |
Create the "rectangular" colors in the color wheel. | |
static void | CreateColorWheel () |
Static function steering the creation of all colors in the color wheel. | |
static Int_t | CreateGradientColorTable (UInt_t Number, Double_t *Stops, Double_t *Red, Double_t *Green, Double_t *Blue, UInt_t NColors, Float_t alpha=1.) |
Static function creating a color table with several connected linear gradients. | |
static Bool_t | DefinedColors () |
Static function returning kTRUE if some new colors have been defined after initialisation or since the last call to this method. | |
static Int_t | GetColor (const char *hexcolor) |
Static method returning color number for color specified by hex color string of form: "#rrggbb", where rr, gg and bb are in hex between [0,FF], e.g. | |
static Int_t | GetColor (Float_t r, Float_t g, Float_t b) |
Static method returning color number for color specified by r, g and b. | |
static Int_t | GetColor (Int_t r, Int_t g, Int_t b) |
Static method returning color number for color specified by r, g and b. | |
static Int_t | GetColor (ULong_t pixel) |
Static method returning color number for color specified by system dependent pixel value. | |
static Int_t | GetColorBright (Int_t color) |
Static function: Returns the bright color number corresponding to n If the TColor object does not exist, it is created. | |
static Int_t | GetColorDark (Int_t color) |
Static function: Returns the dark color number corresponding to n If the TColor object does not exist, it is created. | |
static Int_t | GetColorPalette (Int_t i) |
Static function returning the color number i in current palette. | |
static Int_t | GetColorTransparent (Int_t color, Float_t a) |
Static function: Returns the transparent color number corresponding to n. | |
static Int_t | GetFreeColorIndex () |
Static function: Returns a free color index which can be used to define a user custom color. | |
static Int_t | GetNumberOfColors () |
Static function returning number of colors in the color palette. | |
static const TArrayI & | GetPalette () |
Static function returning the current active palette. | |
static void | HLS2RGB (Float_t h, Float_t l, Float_t s, Float_t &r, Float_t &g, Float_t &b) |
Static method to compute RGB from HLS. | |
static void | HLS2RGB (Int_t h, Int_t l, Int_t s, Int_t &r, Int_t &g, Int_t &b) |
Static method to compute RGB from HLS. | |
static void | HLStoRGB (Float_t h, Float_t l, Float_t s, Float_t &r, Float_t &g, Float_t &b) |
static void | HSV2RGB (Float_t h, Float_t s, Float_t v, Float_t &r, Float_t &g, Float_t &b) |
Static method to compute RGB from HSV: | |
static void | InitializeColors () |
Initialize colors used by the TCanvas based graphics (via TColor objects). | |
static void | InvertPalette () |
Invert the current color palette. | |
static Bool_t | IsGrayscale () |
Return whether all colors return grayscale values. | |
static ULong_t | Number2Pixel (Int_t ci) |
Static method that given a color index number, returns the corresponding pixel value. | |
static void | Pixel2RGB (ULong_t pixel, Float_t &r, Float_t &g, Float_t &b) |
Convert machine dependent pixel value (obtained via RGB2Pixel or via Number2Pixel() or via TColor::GetPixel()) to r,g,b triplet. | |
static void | Pixel2RGB (ULong_t pixel, Int_t &r, Int_t &g, Int_t &b) |
Convert machine dependent pixel value (obtained via RGB2Pixel or via Number2Pixel() or via TColor::GetPixel()) to r,g,b triplet. | |
static const char * | PixelAsHexString (ULong_t pixel) |
Convert machine dependent pixel value (obtained via RGB2Pixel or via Number2Pixel() or via TColor::GetPixel()) to a hexadecimal string. | |
static void | RGB2HLS (Float_t r, Float_t g, Float_t b, Float_t &h, Float_t &l, Float_t &s) |
Static method to compute HLS from RGB. | |
static void | RGB2HLS (Int_t r, Int_t g, Int_t b, Int_t &h, Int_t &l, Int_t &s) |
Static method to compute HLS from RGB. | |
static void | RGB2HSV (Float_t r, Float_t g, Float_t b, Float_t &h, Float_t &s, Float_t &v) |
Static method to compute HSV from RGB. | |
static ULong_t | RGB2Pixel (Float_t r, Float_t g, Float_t b) |
Convert r,g,b to graphics system dependent pixel value. | |
static ULong_t | RGB2Pixel (Int_t r, Int_t g, Int_t b) |
Convert r,g,b to graphics system dependent pixel value. | |
static void | RGBtoHLS (Float_t r, Float_t g, Float_t b, Float_t &h, Float_t &l, Float_t &s) |
static void | SaveColor (std::ostream &out, Int_t ci) |
Save a color with index > 228 as a C++ statement(s) on output stream out. | |
static void | SetColorThreshold (Float_t t) |
This method specifies the color threshold used by GetColor to retrieve a color. | |
static void | SetGrayscale (Bool_t set=kTRUE) |
Set whether all colors should return grayscale values. | |
static void | SetPalette (Int_t ncolors, Int_t *colors, Float_t alpha=1.) |
Static function. | |
Static Public Member Functions inherited from TObject | |
static Long_t | GetDtorOnly () |
Return destructor only flag. | |
static Bool_t | GetObjectStat () |
Get status of object stat flag. | |
static void | SetDtorOnly (void *obj) |
Set destructor only flag. | |
static void | SetObjectStat (Bool_t stat) |
Turn on/off tracking of objects in the TObjectTable. | |
Protected Types inherited from TObject | |
enum | { kOnlyPrepStep = BIT(3) } |
Protected Member Functions inherited from TColorGradient | |
TColorGradient () | |
Constructor. | |
TColorGradient (Color_t newColor, UInt_t nPoints, const Double_t *points, const Color_t *colorIndices, ECoordinateMode mode=kObjectBoundingMode) | |
There is no way to validate parameters here, so it's up to user to pass correct arguments. | |
TColorGradient (Color_t newColor, UInt_t nPoints, const Double_t *points, const Double_t *colors, ECoordinateMode mode=kObjectBoundingMode) | |
There is no way to validate parameters here, so it's up to user to pass correct arguments. | |
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). | |
void | MakeZombie () |
Protected Attributes inherited from TColor | |
Int_t | fNumber |
Color number identifier. | |
Protected Attributes inherited from TNamed | |
TString | fName |
TString | fTitle |
#include <TColorGradient.h>
TLinearGradient::TLinearGradient | ( | ) |
Definition at line 193 of file TColorGradient.cxx.
TLinearGradient::TLinearGradient | ( | Color_t | newColor, |
UInt_t | nPoints, | ||
const Double_t * | points, | ||
const Color_t * | colorIndices, | ||
ECoordinateMode | mode = kObjectBoundingMode |
||
) |
Constructor.
Definition at line 200 of file TColorGradient.cxx.
TLinearGradient::TLinearGradient | ( | Color_t | newColor, |
UInt_t | nPoints, | ||
const Double_t * | points, | ||
const Double_t * | colors, | ||
ECoordinateMode | mode = kObjectBoundingMode |
||
) |
Constructor.
Definition at line 209 of file TColorGradient.cxx.
const TColorGradient::Point & TLinearGradient::GetEnd | ( | ) | const |
Get end.
Definition at line 235 of file TColorGradient.cxx.
const TColorGradient::Point & TLinearGradient::GetStart | ( | ) | const |
Get start.
Definition at line 227 of file TColorGradient.cxx.
Set end and start.
Definition at line 218 of file TColorGradient.cxx.
|
private |
Definition at line 115 of file TColorGradient.h.
|
private |
Definition at line 114 of file TColorGradient.h.