Enum ChannelDatatype 

#[repr(u8)]
pub enum ChannelDatatype {
    U8 = 6,
    I8 = 7,
    U16 = 8,
    I16 = 9,
    U32 = 10,
    I32 = 11,
    U64 = 12,
    I64 = 13,
    F16 = 33,
    F32 = 34,
    F64 = 35,
}

Datatype: The innermost datatype of an image.

How individual color channel components are encoded.

Variants

U8 = 6

8-bit unsigned integer.

I8 = 7

8-bit signed integer.

U16 = 8

16-bit unsigned integer.

I16 = 9

16-bit signed integer.

U32 = 10

32-bit unsigned integer.

I32 = 11

32-bit signed integer.

U64 = 12

64-bit unsigned integer.

I64 = 13

64-bit signed integer.

F16 = 33

16-bit IEEE-754 floating point, also known as half.

F32 = 34

32-bit IEEE-754 floating point, also known as float or single.

F64 = 35

64-bit IEEE-754 floating point, also known as double.

Implementations

impl ChannelDatatype

pub fn bits(self) -> usize

Number of bits used to represent this element type.

pub fn is_integer(&self) -> bool

Is this datatype an integer?

pub fn is_float(&self) -> bool

Is this datatype a floating point number?

pub fn min_value(&self) -> f64

What is the minimum finite value representable by this datatype?

pub fn max_value(&self) -> f64

What is the maximum finite value representable by this datatype?

Trait Implementations

impl Clone for ChannelDatatype

fn clone(&self) -> ChannelDatatype

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for ChannelDatatype

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter.

impl Default for ChannelDatatype

fn default() -> ChannelDatatype

Returns the “default value” for a type.

impl Display for ChannelDatatype

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter.

impl Enum for ChannelDatatype

type Repr = u8

The underlying integer type used to represent this enum (e.g. u8, u32).

fn variants() -> &'static [ChannelDatatype]

All variants, in the order they appear in the enum.

fn docstring_md(self) -> &'static str

Markdown docstring for the given enum variant.

fn try_from_integer(value: u8) -> Option<ChannelDatatype>

Create from the underlying integer repr, returning None if the value does not match any known variant.

fn from_integer_slice( slice: &[Self::Repr], ) -> impl Iterator<Item = Option<Self>>

Convert a slice of repr integers to an iterator of optional enum values.

impl<'a> From<&'a ChannelDatatype> for Cow<'a, ChannelDatatype>

fn from(value: &'a ChannelDatatype) -> Cow<'a, ChannelDatatype>

Converts to this type from the input type.

impl<'a> From<ChannelDatatype> for Cow<'a, ChannelDatatype>

fn from(value: ChannelDatatype) -> Cow<'a, ChannelDatatype>

Converts to this type from the input type.

impl Hash for ChannelDatatype

fn hash<__H>(&self, state: &mut __H)

where __H: Hasher,

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl Loggable for ChannelDatatype

fn arrow_datatype() -> DataType

The underlying arrow::datatypes::DataType, excluding datatype extensions.

fn to_arrow_opt<'a>( data: impl IntoIterator<Item = Option<impl Into<Cow<'a, ChannelDatatype>>>>, ) -> Result<Arc<dyn Array>, SerializationError>

where ChannelDatatype: Clone + 'a,

Given an iterator of options of owned or reference values to the current Loggable, serializes them into an Arrow array.

fn from_arrow_opt( arrow_data: &dyn Array, ) -> Result<Vec<Option<ChannelDatatype>>, DeserializationError>

where ChannelDatatype: Sized,

Given an Arrow array, deserializes it into a collection of optional Loggables.

fn arrow_empty() -> Arc<dyn Array>

fn to_arrow<'a>( data: impl IntoIterator<Item = impl Into<Cow<'a, Self>>>, ) -> Result<Arc<dyn Array>, SerializationError>

where Self: 'a,

Given an iterator of owned or reference values to the current Loggable, serializes them into an Arrow array.

fn from_arrow(data: &dyn Array) -> Result<Vec<Self>, DeserializationError>

Given an Arrow array, deserializes it into a collection of Loggables.

fn verify_arrow_array(data: &dyn Array) -> Result<(), DeserializationError>

Verifies that the given Arrow array can be deserialized into a collection of Selfs.

impl PartialEq for ChannelDatatype

fn eq(&self, other: &ChannelDatatype) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl SizeBytes for ChannelDatatype

fn heap_size_bytes(&self) -> u64

Returns how many bytes self uses on the heap.

fn is_pod() -> bool

Is Self just plain old data?

fn total_size_bytes(&self) -> u64

Returns the total size of self in bytes, accounting for both stack and heap space.

fn stack_size_bytes(&self) -> u64

Returns the total size of self on the stack, in bytes.

impl Copy for ChannelDatatype

impl Eq for ChannelDatatype

impl StructuralPartialEq for ChannelDatatype