Rgba8 Class Reference

8-bit red, green, blue, alpha packed into 32 bit unsigned int More...

#include <nanovdb/math/Math.h>

Public Types
using	ValueType = uint8_t

Public Member Functions
	Rgba8 (const Rgba8 &)=default
	Default copy constructor.
	Rgba8 (Rgba8 &&)=default
	Default move constructor.
Rgba8 &	operator= (Rgba8 &&)=default
	Default move assignment operator.
Rgba8 &	operator= (const Rgba8 &)=default
	Default copy assignment operator.
__hostdev__	Rgba8 ()
	Default ctor initializes all channels to zero.
__hostdev__	Rgba8 (uint8_t r, uint8_t g, uint8_t b, uint8_t a=255u)
	integer r,g,b,a ctor where alpha channel defaults to opaque
__hostdev__	Rgba8 (uint8_t v)
	ctor where all channels are initialized to the same value
__hostdev__	Rgba8 (float r, float g, float b, float a=1.0f)
	floating-point r,g,b,a ctor where alpha channel defaults to opaque
__hostdev__	Rgba8 (const Vec3< float > &rgb)
	Vec3f r,g,b ctor (alpha channel it set to 1)
__hostdev__	Rgba8 (const Vec4< float > &rgba)
	Vec4f r,g,b,a ctor.
__hostdev__ bool	operator< (const Rgba8 &rhs) const
__hostdev__ bool	operator== (const Rgba8 &rhs) const
__hostdev__ float	lengthSqr () const
__hostdev__ float	length () const
__hostdev__ float	asFloat (int n) const
	return n'th color channel as a float in the range 0 to 1
__hostdev__ const uint8_t &	operator[] (int n) const
__hostdev__ uint8_t &	operator[] (int n)
__hostdev__ const uint32_t &	packed () const
__hostdev__ uint32_t &	packed ()
__hostdev__ const uint8_t &	r () const
__hostdev__ const uint8_t &	g () const
__hostdev__ const uint8_t &	b () const
__hostdev__ const uint8_t &	a () const
__hostdev__ uint8_t &	r ()
__hostdev__ uint8_t &	g ()
__hostdev__ uint8_t &	b ()
__hostdev__ uint8_t &	a ()
__hostdev__	operator Vec3< float > () const
__hostdev__	operator Vec4< float > () const

Static Public Attributes
static const int	SIZE = 4

Detailed Description

8-bit red, green, blue, alpha packed into 32 bit unsigned int

Member Typedef Documentation

ValueType

using ValueType = uint8_t

Constructor & Destructor Documentation

Rgba8() [1/8]

Rgba8 ( const Rgba8 & )

default

Default copy constructor.

Rgba8() [2/8]

Rgba8 ( Rgba8 && )

default

Default move constructor.

Rgba8() [3/8]

__hostdev__ Rgba8 ( )

inline

Default ctor initializes all channels to zero.

Rgba8() [4/8]

__hostdev__ Rgba8 ( uint8_t r, uint8_t g, uint8_t b, uint8_t a = 255u )

inline

integer r,g,b,a ctor where alpha channel defaults to opaque

Note

all values should be in the range 0u to 255u

Rgba8() [5/8]

__hostdev__ Rgba8 ( uint8_t v )

inlineexplicit

ctor where all channels are initialized to the same value

Note

value should be in the range 0u to 255u

Rgba8() [6/8]

__hostdev__ Rgba8 ( float r, float g, float b, float a = 1.0f )

inline

floating-point r,g,b,a ctor where alpha channel defaults to opaque

Note

all values should be in the range 0.0f to 1.0f

Rgba8() [7/8]

__hostdev__ Rgba8 ( const Vec3< float > & rgb )

inline

Vec3f r,g,b ctor (alpha channel it set to 1)

Note

all values should be in the range 0.0f to 1.0f

Rgba8() [8/8]

__hostdev__ Rgba8 ( const Vec4< float > & rgba )

inline

Vec4f r,g,b,a ctor.

Note

all values should be in the range 0.0f to 1.0f

Member Function Documentation

a() [1/2]

__hostdev__ uint8_t & a ( )

inline

a() [2/2]

__hostdev__ const uint8_t & a ( ) const

inline

asFloat()

__hostdev__ float asFloat ( int n ) const

inline

return n'th color channel as a float in the range 0 to 1

b() [1/2]

__hostdev__ uint8_t & b ( )

inline

b() [2/2]

__hostdev__ const uint8_t & b ( ) const

inline

g() [1/2]

__hostdev__ uint8_t & g ( )

inline

g() [2/2]

__hostdev__ const uint8_t & g ( ) const

inline

length()

__hostdev__ float length ( ) const

inline

lengthSqr()

__hostdev__ float lengthSqr ( ) const

inline

operator Vec3< float >()

__hostdev__ operator Vec3< float > ( ) const

inline

operator Vec4< float >()

__hostdev__ operator Vec4< float > ( ) const

inline

operator<()

__hostdev__ bool operator< ( const Rgba8 & rhs ) const

inline

operator=() [1/2]

Rgba8 & operator= ( const Rgba8 & )

default

Default copy assignment operator.

Returns

non-const reference to this instance

operator=() [2/2]

Rgba8 & operator= ( Rgba8 && )

default

Default move assignment operator.

Returns

non-const reference to this instance

operator==()

__hostdev__ bool operator== ( const Rgba8 & rhs ) const

inline

operator[]() [1/2]

__hostdev__ uint8_t & operator[] ( int n )

inline

operator[]() [2/2]

__hostdev__ const uint8_t & operator[] ( int n ) const

inline

packed() [1/2]

__hostdev__ uint32_t & packed ( )

inline

packed() [2/2]

__hostdev__ const uint32_t & packed ( ) const

inline

r() [1/2]

__hostdev__ uint8_t & r ( )

inline

r() [2/2]

__hostdev__ const uint8_t & r ( ) const

inline

Member Data Documentation

c

uint8_t c[4]

packed

uint32_t packed

SIZE

const int SIZE = 4

static