Enum SamplingFactorsError 

pub enum SamplingFactorsError {
    Empty,
    TooManyComponents {
        count: usize,
    },
    InvalidSampling {
        component: usize,
        h: u8,
        v: u8,
    },
}

Error returned when constructing SamplingFactors from caller input.

Variants

Empty

At least one component is required.

TooManyComponents

This crate stores at most four component sampling entries.

Fields

count: usize

Supplied component count.

InvalidSampling

Component sampling factors are outside the JPEG legal range.

Fields

component: usize

Component index in declaration order.

h: u8

Horizontal sampling factor.

v: u8

Vertical sampling factor.

Trait Implementations

impl Clone for SamplingFactorsError

fn clone(&self) -> SamplingFactorsError

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for SamplingFactorsError

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

Formats the value using the given formatter.

impl Display for SamplingFactorsError

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

Formats the value using the given formatter.

impl Eq for SamplingFactorsError

impl Error for SamplingFactorsError

fn source(&self) -> Option<&(dyn Error + 'static)>

Returns the lower-level source of this error, if any.

fn description(&self) -> &str

👎Deprecated since 1.42.0:

use the Display impl or to_string()

fn cause(&self) -> Option<&dyn Error>

👎Deprecated since 1.33.0:

replaced by Error::source, which can support downcasting

fn provide<'a>(&'a self, request: &mut Request<'a>)

🔬This is a nightly-only experimental API. (error_generic_member_access)

Provides type-based access to context intended for error reports.

impl PartialEq for SamplingFactorsError

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for SamplingFactorsError