Enum png::DecodingError

source · [−]

pub enum DecodingError {
    IoError(Error),
    Format(Cow<'static, str>),
    InvalidSignature,
    CrcMismatch {
        recover: usize,
        crc_val: u32,
        crc_sum: u32,
        chunk: ChunkType,
    },
    Other(Cow<'static, str>),
    CorruptFlateStream,
    LimitsExceeded,
}

Variants

`IoError(Error)`

`Format(Cow<'static, str>)`

`InvalidSignature`

`CrcMismatch`

Fields

recover: usize

bytes to skip to try to recover from this error

crc_val: u32

Stored CRC32 value

crc_sum: u32

Calculated CRC32 sum

chunk: ChunkType

`Other(Cow<'static, str>)`

`CorruptFlateStream`

`LimitsExceeded`

Trait Implementations

impl Debug for DecodingError

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

Formats the value using the given formatter. Read more

impl Display for DecodingError

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

Formats the value using the given formatter. Read more

impl Error for DecodingError

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

👎 Deprecated since 1.33.0:

replaced by Error::source, which can support downcasting

1.30.0 · source

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

The lower-level source of this error, if any. Read more

fn backtrace(&self) -> Option<&Backtrace>

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

Returns a stack backtrace, if available, of where this error occurred. Read more

1.0.0 · source

fn description(&self) -> &str

👎 Deprecated since 1.42.0:

use the Display impl or to_string()

impl From<DecodingError> for Error

fn from(err: DecodingError) -> Error

Performs the conversion.

impl From<Error> for DecodingError

fn from(err: Error) -> DecodingError

Performs the conversion.

impl From<String> for DecodingError

fn from(err: String) -> DecodingError

Performs the conversion.

Auto Trait Implementations

impl RefUnwindSafe for DecodingError

impl Send for DecodingError

impl Sync for DecodingError

impl Unpin for DecodingError

impl UnwindSafe for DecodingError

Blanket Implementations

impl<T> Any for T where
T: 'static + ?Sized,

pub fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

impl<T> Borrow<T> for T where
T: ?Sized,

const: unstable · source

pub fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

impl<T> BorrowMut<T> for T where
T: ?Sized,

const: unstable · source

pub fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

impl<T> From<T> for T

const: unstable · source

pub fn from(t: T) -> T

Returns the argument unchanged.

impl<T, U> Into<U> for T where
U: From<T>,

const: unstable · source

pub fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

impl<T> ToString for T where
T: Display + ?Sized,

pub default fn to_string(&self) -> String

Converts the given value to a String. Read more

impl<T, U> TryFrom<U> for T where
U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.

impl<T, U> TryInto<U> for T where
U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.

const: unstable · source

pub fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.