Enum OcrError 

pub enum OcrError {
    NoEngine,
    ImageError(String),
    RecognitionFailed(String),
}

Errors returned by an OcrBackend.

Variants

NoEngine

No OCR engine is available (models missing, feature not compiled, etc.).

ImageError(String)

The input image data is invalid or cannot be decoded.

RecognitionFailed(String)

Recognition ran but produced an error.

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, f: &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.