Enum ImageError 

pub enum ImageError {
    ZeroDimension {
        width: usize,
        height: usize,
    },
    InvalidKernelSize {
        kw: usize,
        kh: usize,
    },
    BufferLengthMismatch {
        expected: usize,
        got: usize,
        width: usize,
        height: usize,
    },
    InvalidThresholds {
        low: f32,
        high: f32,
    },
    DimensionMismatch {
        expected: usize,
        got: usize,
    },
    InvalidChannel {
        channel: usize,
        max: usize,
    },
}

Errors from image operations.

Variants

ZeroDimension

Image dimensions are zero.

Fields

width: usize

Image width.

height: usize

Image height.

InvalidKernelSize

Kernel dimensions are zero or even.

Fields

kw: usize

Kernel width.

kh: usize

Kernel height.

BufferLengthMismatch

Buffer length mismatch.

Fields

expected: usize

Expected length.

got: usize

Actual length.

width: usize

Image width.

height: usize

Image height.

InvalidThresholds

Invalid threshold values.

Fields

low: f32

Low threshold.

high: f32

High threshold.

DimensionMismatch

Data length doesn’t match dimensions.

Fields

expected: usize

Expected length.

got: usize

Actual length.

InvalidChannel

Invalid channel index.

Fields

channel: usize

Requested channel.

max: usize

Number of channels.

Trait Implementations

impl Debug for ImageError

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

Formats the value using the given formatter.

impl Display for ImageError

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

Formats the value using the given formatter.

impl Error for ImageError

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.