Enum OcrError 

pub enum OcrError {
    InitFailed(String),
    RecognizeFailed(String),
    UnsupportedFormat(ImageFormat),
    Internal(String),
}

Closed OCR backend error surface.

Variants

InitFailed(String)

Backend initialization failed.

RecognizeFailed(String)

Recognition failed after backend initialization.

UnsupportedFormat(ImageFormat)

Image format is unsupported by this backend.

Internal(String)

Backend hit an internal invariant or I/O failure.

Trait Implementations

impl Debug for OcrError

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

Formats the value using the given formatter.

impl Display for OcrError

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

Formats the value using the given formatter.

impl Error for OcrError

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.