Ogre::ColourValue Class Reference

Class representing colour. More...

#include <OgreColourValue.h>

Public Member Functions
	ColourValue (float red=1.0f, float green=1.0f, float blue=1.0f, float alpha=1.0f)
ABGR	getAsABGR (void) const
	Retrieves colours as ABGR.
ARGB	getAsARGB (void) const
	Retrieves colour as ARGB.
BGRA	getAsBGRA (void) const
	Retrieves colour as BGRA.
RGBA	getAsRGBA (void) const
	Retrieves colour as RGBA.
void	getHSB (Real *hue, Real *saturation, Real *brightness) const
	Convert the current colour to Hue, Saturation and Brightness values.
bool	operator!= (const ColourValue &rhs) const
ColourValue	operator* (const ColourValue &rhs) const
ColourValue	operator* (const float fScalar) const
ColourValue &	operator*= (const float fScalar)
ColourValue	operator+ (const ColourValue &rkVector) const
ColourValue &	operator+= (const ColourValue &rkVector)
ColourValue	operator- (const ColourValue &rkVector) const
ColourValue &	operator-= (const ColourValue &rkVector)
ColourValue	operator/ (const ColourValue &rhs) const
ColourValue	operator/ (const float fScalar) const
ColourValue &	operator/= (const float fScalar)
bool	operator== (const ColourValue &rhs) const
float &	operator[] (const size_t i)
	Array accessor operator.
float	operator[] (const size_t i) const
	Array accessor operator.
float *	ptr ()
	Pointer accessor for direct copying.
const float *	ptr () const
	Pointer accessor for direct copying.
void	saturate (void)
	Clamps colour value to the range [0, 1].
ColourValue	saturateCopy (void) const
	As saturate, except that this colour value is unaffected and the saturated colour value is returned as a copy.
void	setAsABGR (const ABGR val)
	Sets colour as ABGR.
void	setAsARGB (const ARGB val)
	Sets colour as ARGB.
void	setAsBGRA (const BGRA val)
	Sets colour as BGRA.
void	setAsRGBA (const RGBA val)
	Sets colour as RGBA.
void	setHSB (Real hue, Real saturation, Real brightness)
	Set a colour value from Hue, Saturation and Brightness.

Public Attributes
float	a
float	b
float	g
float	r

Static Public Attributes
static const ColourValue	Black
static const ColourValue	Blue
static const ColourValue	Green
static const ColourValue	Red
static const ColourValue	White
static const ColourValue	ZERO

Friends
ColourValue	operator* (const float fScalar, const ColourValue &rkVector)
_OgreExport friend std::ostream &	operator<< (std::ostream &o, const ColourValue &c)
	Function for writing to a stream.

Detailed Description

Class representing colour.

Remarks

Colour is represented as 4 components, each of which is a floating-point value from 0.0 to 1.0.

The 3 'normal' colour components are red, green and blue, a higher number indicating greater amounts of that component in the colour. The forth component is the 'alpha' value, which represents transparency. In this case, 0.0 is completely transparent and 1.0 is fully opaque.

Constructor & Destructor Documentation

ColourValue()

Ogre::ColourValue::ColourValue ( float  red = 1.0f, float  green = 1.0f, float  blue = 1.0f, float  alpha = 1.0f  )

inlineexplicit

Member Function Documentation

getAsABGR()

ABGR Ogre::ColourValue::getAsABGR

(

void

)

const

Retrieves colours as ABGR.

getAsARGB()

ARGB Ogre::ColourValue::getAsARGB

(

void

)

const

Retrieves colour as ARGB.

getAsBGRA()

BGRA Ogre::ColourValue::getAsBGRA

(

void

)

const

Retrieves colour as BGRA.

getAsRGBA()

RGBA Ogre::ColourValue::getAsRGBA

(

void

)

const

Retrieves colour as RGBA.

getHSB()

void Ogre::ColourValue::getHSB	(	Real *	hue,
		Real *	saturation,
		Real *	brightness
	)		const

Convert the current colour to Hue, Saturation and Brightness values.

Parameters

hue	Output hue value, scaled to the [0,1] range as opposed to the 0-360
saturation	Output saturation level, [0,1]
brightness	Output brightness level, [0,1]

operator!=()

bool Ogre::ColourValue::operator!=

(

const ColourValue &

rhs

)

const

operator*() [1/2]

ColourValue Ogre::ColourValue::operator* ( const ColourValue &  rhs ) const

inline

operator*() [2/2]

ColourValue Ogre::ColourValue::operator* ( const float  fScalar ) const

inline

operator*=()

ColourValue & Ogre::ColourValue::operator*= ( const float  fScalar )

inline

operator+()

ColourValue Ogre::ColourValue::operator+ ( const ColourValue &  rkVector ) const

inline

operator+=()

ColourValue & Ogre::ColourValue::operator+= ( const ColourValue &  rkVector )

inline

operator-()

ColourValue Ogre::ColourValue::operator- ( const ColourValue &  rkVector ) const

inline

operator-=()

ColourValue & Ogre::ColourValue::operator-= ( const ColourValue &  rkVector )

inline

operator/() [1/2]

ColourValue Ogre::ColourValue::operator/ ( const ColourValue &  rhs ) const

inline

operator/() [2/2]

ColourValue Ogre::ColourValue::operator/ ( const float  fScalar ) const

inline

operator/=()

ColourValue & Ogre::ColourValue::operator/= ( const float  fScalar )

inline

operator==()

bool Ogre::ColourValue::operator==

(

const ColourValue &

rhs

)

const

operator[]() [1/2]

float & Ogre::ColourValue::operator[] ( const size_t  i )

inline

Array accessor operator.

operator[]() [2/2]

float Ogre::ColourValue::operator[] ( const size_t  i ) const

inline

Array accessor operator.

ptr() [1/2]

float * Ogre::ColourValue::ptr ( )

inline

Pointer accessor for direct copying.

ptr() [2/2]

const float * Ogre::ColourValue::ptr ( ) const

inline

Pointer accessor for direct copying.

saturate()

void Ogre::ColourValue::saturate ( void  )

inline

Clamps colour value to the range [0, 1].

saturateCopy()

ColourValue Ogre::ColourValue::saturateCopy ( void  ) const

inline

As saturate, except that this colour value is unaffected and the saturated colour value is returned as a copy.

setAsABGR()

void Ogre::ColourValue::setAsABGR

(

const ABGR

val

)

Sets colour as ABGR.

setAsARGB()

void Ogre::ColourValue::setAsARGB

(

const ARGB

val

)

Sets colour as ARGB.

setAsBGRA()

void Ogre::ColourValue::setAsBGRA

(

const BGRA

val

)

Sets colour as BGRA.

setAsRGBA()

void Ogre::ColourValue::setAsRGBA

(

const RGBA

val

)

Sets colour as RGBA.

setHSB()

void Ogre::ColourValue::setHSB	(	Real	hue,
		Real	saturation,
		Real	brightness
	)

Set a colour value from Hue, Saturation and Brightness.

Parameters

hue	Hue value, scaled to the [0,1] range as opposed to the 0-360
saturation	Saturation level, [0,1]
brightness	Brightness level, [0,1]

Friends And Related Symbol Documentation

operator*

ColourValue operator* ( const float  fScalar, const ColourValue &  rkVector  )

friend

operator<<

_OgreExport friend std::ostream & operator<< ( std::ostream &  o, const ColourValue &  c  )

friend

Function for writing to a stream.

Member Data Documentation

a

float Ogre::ColourValue::a

b

float Ogre::ColourValue::b

Black

const ColourValue Ogre::ColourValue::Black

static

Blue

const ColourValue Ogre::ColourValue::Blue

static

g

float Ogre::ColourValue::g

Green

const ColourValue Ogre::ColourValue::Green

static

r

float Ogre::ColourValue::r

Red

const ColourValue Ogre::ColourValue::Red

static

White

const ColourValue Ogre::ColourValue::White

static

ZERO

const ColourValue Ogre::ColourValue::ZERO

static

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

• OgreColourValue.h