Quantity_ColorRGBA Class Reference

The pair of Quantity_Color and Alpha component (1.0 opaque, 0.0 transparent). More...

#include <Quantity_ColorRGBA.hxx>

Public Member Functions
	Quantity_ColorRGBA ()
	Creates a color with the default value. More...
	Quantity_ColorRGBA (const Quantity_Color &theRgb)
	Creates the color with specified RGB value. More...
	Quantity_ColorRGBA (const Quantity_Color &theRgb, float theAlpha)
	Creates the color with specified RGBA values. More...
	Quantity_ColorRGBA (const NCollection_Vec4< float > &theRgba)
	Creates the color from RGBA vector. More...
	Quantity_ColorRGBA (float theRed, float theGreen, float theBlue, float theAlpha)
	Creates the color from RGBA values. More...
void	SetValues (float theRed, float theGreen, float theBlue, float theAlpha)
	Assign new values to the color. More...
const Quantity_Color &	GetRGB () const
	Return RGB color value. More...
Quantity_Color &	ChangeRGB ()
	Modify RGB color components without affecting alpha value. More...
void	SetRGB (const Quantity_Color &theRgb)
	Assign RGB color components without affecting alpha value. More...
Standard_ShortReal	Alpha () const
	Return alpha value (1.0 means opaque, 0.0 means fully transparent). More...
void	SetAlpha (const Standard_ShortReal theAlpha)
	Assign the alpha value. More...
	operator const NCollection_Vec4< float > & () const
	Return the color as vector of 4 float elements. More...
bool	IsDifferent (const Quantity_ColorRGBA &theOther) const
	Returns true if the distance between colors is greater than Epsilon(). More...
bool	operator!= (const Quantity_ColorRGBA &theOther) const
	Returns true if the distance between colors is greater than Epsilon(). More...
bool	IsEqual (const Quantity_ColorRGBA &theOther) const
	Two colors are considered to be equal if their distance is no greater than Epsilon(). More...
bool	operator== (const Quantity_ColorRGBA &theOther) const
	Two colors are considered to be equal if their distance is no greater than Epsilon(). More...

Detailed Description

The pair of Quantity_Color and Alpha component (1.0 opaque, 0.0 transparent).

Constructor & Destructor Documentation

Quantity_ColorRGBA() [1/5]

Quantity_ColorRGBA::Quantity_ColorRGBA ( )

inline

Creates a color with the default value.

Quantity_ColorRGBA() [2/5]

Quantity_ColorRGBA::Quantity_ColorRGBA ( const Quantity_Color &  theRgb )

inlineexplicit

Creates the color with specified RGB value.

Quantity_ColorRGBA() [3/5]

Quantity_ColorRGBA::Quantity_ColorRGBA ( const Quantity_Color &  theRgb, float  theAlpha  )

inline

Creates the color with specified RGBA values.

Quantity_ColorRGBA() [4/5]

Quantity_ColorRGBA::Quantity_ColorRGBA ( const NCollection_Vec4< float > &  theRgba )

inlineexplicit

Creates the color from RGBA vector.

Quantity_ColorRGBA() [5/5]

Quantity_ColorRGBA::Quantity_ColorRGBA ( float  theRed, float  theGreen, float  theBlue, float  theAlpha  )

inline

Creates the color from RGBA values.

Member Function Documentation

Alpha()

Standard_ShortReal Quantity_ColorRGBA::Alpha ( ) const

inline

Return alpha value (1.0 means opaque, 0.0 means fully transparent).

ChangeRGB()

Quantity_Color& Quantity_ColorRGBA::ChangeRGB ( )

inline

Modify RGB color components without affecting alpha value.

GetRGB()

const Quantity_Color& Quantity_ColorRGBA::GetRGB ( ) const

inline

Return RGB color value.

IsDifferent()

bool Quantity_ColorRGBA::IsDifferent ( const Quantity_ColorRGBA &  theOther ) const

inline

Returns true if the distance between colors is greater than Epsilon().

IsEqual()

bool Quantity_ColorRGBA::IsEqual ( const Quantity_ColorRGBA &  theOther ) const

inline

Two colors are considered to be equal if their distance is no greater than Epsilon().

operator const NCollection_Vec4< float > &()

Quantity_ColorRGBA::operator const NCollection_Vec4< float > & ( ) const

inline

Return the color as vector of 4 float elements.

operator!=()

bool Quantity_ColorRGBA::operator!= ( const Quantity_ColorRGBA &  theOther ) const

inline

Returns true if the distance between colors is greater than Epsilon().

operator==()

bool Quantity_ColorRGBA::operator== ( const Quantity_ColorRGBA &  theOther ) const

inline

Two colors are considered to be equal if their distance is no greater than Epsilon().

SetAlpha()

void Quantity_ColorRGBA::SetAlpha ( const Standard_ShortReal  theAlpha )

inline

Assign the alpha value.

SetRGB()

void Quantity_ColorRGBA::SetRGB ( const Quantity_Color &  theRgb )

inline

Assign RGB color components without affecting alpha value.

SetValues()

void Quantity_ColorRGBA::SetValues ( float  theRed, float  theGreen, float  theBlue, float  theAlpha  )

inline

Assign new values to the color.

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The documentation for this class was generated from the following file:

• Quantity_ColorRGBA.hxx