OpenVDB: Rgba8 Class Reference

OpenVDB 11.0.0

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Public Types | Public Member Functions | Static Public Attributes | List of all members
Rgba8 Class Reference

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

`#include <nanovdb/NanoVDB.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.
| Rgba8 ()
| Default ctor initializes all channels to zero.
| 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
| Rgba8 (uint8_t v)
| ctor where all channels are initialized to the same value
| Rgba8 (float r, float g, float b, float a=1.0f)
| floating-point r,g,b,a ctor where alpha channel defaults to opaque
| Rgba8 (const Vec3f &rgb)
| Vec3f r,g,b ctor (alpha channel it set to 1)
| Rgba8 (const Vec4f &rgba)
| Vec4f r,g,b,a ctor.
bool | operator< (const Rgba8 &rhs) const
bool | operator== (const Rgba8 &rhs) const
float | lengthSqr () const
float | length () const
float | asFloat (int n) const
| return n'th color channel as a float in the range 0 to 1
const uint8_t & | operator[] (int n) const
uint8_t & | operator[] (int n)
const uint32_t & | packed () const
uint32_t & | packed ()
const uint8_t & | r () const
const uint8_t & | g () const
const uint8_t & | b () const
const uint8_t & | a () const
uint8_t & | r ()
uint8_t & | g ()
uint8_t & | b ()
uint8_t & | a ()
| operator Vec3f () const
| operator Vec4f () 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]

Rgba8 | ( |  | ) |
| inline

Default ctor initializes all channels to zero.

## ◆ Rgba8() [4/8]

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]

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]

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]

Rgba8 | ( | const Vec3f & | 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]

Rgba8 | ( | const Vec4f & | 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]

uint8_t & a | ( |  | ) |
| inline

## ◆ a() [2/2]

const uint8_t & a | ( |  | ) | const
| inline

## ◆ asFloat()

float asFloat | ( | int | n | ) | const
| inline

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

## ◆ b() [1/2]

uint8_t & b | ( |  | ) |
| inline

## ◆ b() [2/2]

const uint8_t & b | ( |  | ) | const
| inline

## ◆ g() [1/2]

uint8_t & g | ( |  | ) |
| inline

## ◆ g() [2/2]

const uint8_t & g | ( |  | ) | const
| inline

## ◆ length()

float length | ( |  | ) | const
| inline

## ◆ lengthSqr()

float lengthSqr | ( |  | ) | const
| inline

## ◆ operator Vec3f()

operator Vec3f | ( |  | ) | const
| inline

## ◆ operator Vec4f()

operator Vec4f | ( |  | ) | const
| inline

## ◆ operator<()

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==()

bool operator== | ( | const Rgba8 & | rhs | ) | const
| inline

## ◆ operator[]() [1/2]

uint8_t & operator[] | ( | int | n | ) |
| inline

## ◆ operator[]() [2/2]

const uint8_t & operator[] | ( | int | n | ) | const
| inline

## ◆ packed() [1/2]

uint32_t & packed | ( |  | ) |
| inline

## ◆ packed() [2/2]

const uint32_t & packed | ( |  | ) | const
| inline

## ◆ r() [1/2]

uint8_t & r | ( |  | ) |
| inline

## ◆ r() [2/2]

const uint8_t & r | ( |  | ) | const
| inline

## Member Data Documentation

## ◆ c

uint8_t c[4]

## ◆ packed

uint32_t packed

## ◆ SIZE

const int SIZE = 4
| static