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class TGLColor


 Class encapsulating color information in preferred GL format - an
 array of four unsigned bytes.
 Color index is also cached for easier interfacing with the
 traditional ROOT graphics.

Function Members (Methods)

public:

	TGLColor()
	TGLColor(const TGLColor&)
	TGLColor(Color_t color_index, Char_t transparency = 0)
	TGLColor(Int_t r, Int_t g, Int_t b, Int_t a = 255)
	TGLColor(Float_t r, Float_t g, Float_t b, Float_t a = 1)
virtual	~TGLColor()
UChar_t*	Arr()
TString	AsString() const
const UChar_t*	CArr() const
static TClass*	Class()
UChar_t	GetAlpha() const
UChar_t	GetBlue() const
Color_t	GetColorIndex() const
UChar_t	GetGreen() const
UChar_t	GetRed() const
Char_t	GetTransparency() const
virtual TClass*	IsA() const
TGLColor&	operator=(const TGLColor& c)
void	SetAlpha(Int_t v)
void	SetBlue(Int_t v)
void	SetColor(Color_t color_index)
void	SetColor(Color_t color_index, Char_t transparency)
void	SetColor(Int_t r, Int_t g, Int_t b, Int_t a = 255)
void	SetColor(Float_t r, Float_t g, Float_t b, Float_t a = 1)
void	SetGreen(Int_t v)
void	SetRed(Int_t v)
void	SetTransparency(Char_t transparency)
virtual void	ShowMembers(TMemberInspector&)
virtual void	Streamer(TBuffer&)
void	StreamerNVirtual(TBuffer& ClassDef_StreamerNVirtual_b)

Data Members

protected:

Short_t	fIndex
UChar_t	fRGBA[4]

Class Charts

Inheritance Inherited Members Includes Libraries

Function documentation

TGLColor()

 Default constructor. Color is initialized to black.

TGLColor(Int_t r, Int_t g, Int_t b, Int_t a = 255)

 Constructor from Int_t values.

TGLColor(Float_t r, Float_t g, Float_t b, Float_t a = 1)

 Constructor from Float_t values.

TGLColor(Color_t color_index, Char_t transparency = 0)

 Constructor from color-index and transparency.

~TGLColor()

 Dectructor.

TGLColor& operator=(const TGLColor& c)

 Assignment operator.

Color_t GetColorIndex() const

 Returns color-index representing the color.

Char_t GetTransparency() const

 Returns transparecy value.

void SetColor(Int_t r, Int_t g, Int_t b, Int_t a = 255)

 Set color with Int_t values.

void SetColor(Float_t r, Float_t g, Float_t b, Float_t a = 1)

 Set color with Float_t values.

void SetColor(Color_t color_index)

 Set color by color-index. Alpha is not changed.
 If color_index is not valid, color is set to magenta.

void SetColor(Color_t color_index, Char_t transparency)

 Set color by color-index and alpha from the transparency.
 If color_index is not valid, color is set to magenta.

void SetTransparency(Char_t transparency)

 Set alpha from the transparency.

TString AsString() const

 Return string describing the color.

const Double_t * CArr() const

{ return fVals; }

Double_t * Arr()

{ return fVals; }

TGLColor()

UChar_t GetRed() const

{ return fRGBA[0]; }

UChar_t GetGreen() const

{ return fRGBA[1]; }

UChar_t GetBlue() const

{ return fRGBA[2]; }

UChar_t GetAlpha() const

{ return fRGBA[3]; }

void SetRed(Int_t v)

{ fRGBA[0] = v; }

void SetGreen(Int_t v)

{ fRGBA[1] = v; }

void SetBlue(Int_t v)

{ fRGBA[2] = v; }

void SetAlpha(Int_t v)

{ fRGBA[3] = v; }