Enum Error

pub enum Error {
    OptionsInitFailed,
    DecodeFailed,
    DecoderGetInfoFailed,
    TooLargeCanvas(u32, u32, usize),
    EncoderCreateFailed,
    BufferSizeFailed(usize, usize),
    PictureImportFailed,
    EncoderAddFailed,
    WrongColorMode(ColorMode, ColorMode),
    TimestampMustBeHigherThanPrevious(i32, i32),
    TimestampMustBeEqualOrHigherThanPrevious(i32, i32),
    EncoderAssmebleFailed,
    DimensionsMustbePositive,
    NoFramesAdded,
    ZeroSizeBuffer,
    InvalidEncodingConfig,
}

Error type produced by webp_animation code

Variants

OptionsInitFailed

Initializing webp options failed, internal (memory allocation?) failure

DecodeFailed

Decoder init failed, input contains wrong bytes

DecoderGetInfoFailed

Decoder could not get metadata of webp stream. Corrupt data?

TooLargeCanvas(u32, u32, usize)

Webp stream contains too large canvas. For now, size is limited to 3840 * 2160 pixels See MAX_CANVAS_SIZE variable from code

EncoderCreateFailed

Encoder create failed. Wrong options combination?

BufferSizeFailed(usize, usize)

Data input buffer size did not match encoder metadata (width * height * 4)

PictureImportFailed

Raw data could not be converted into webp frame by underlying libwebp library

EncoderAddFailed

Frame could not be added to webp stream by underlying libwebp library

WrongColorMode(ColorMode, ColorMode)

Underlying data is in different color mode

TimestampMustBeHigherThanPrevious(i32, i32)

Timestamp must be higher value than previous frame timestamp

TimestampMustBeEqualOrHigherThanPrevious(i32, i32)

Timestamp must be higher or equal to the previous frame timestamp

EncoderAssmebleFailed

Encoder webp assembly failed

DimensionsMustbePositive

Supplied dimensions must be positive

NoFramesAdded

No frames have been supplied to encoder

ZeroSizeBuffer

Supplied zero-sized buffer where bytes where expected

InvalidEncodingConfig

Encoder config validation failed

Trait Implementations

impl Debug for Error

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

Formats the value using the given formatter.

impl Display for Error

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

Formats the value using the given formatter.

impl Error for Error

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 Error

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

Tests for self and other values to be equal, and is used by ==.

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl StructuralPartialEq for Error