Enum immeta::markers::Png

pub enum Png {}

Trait Implementations

impl MetadataMarker for Png

type Metadata = Metadata

fn from_generic(gmd: GenericMetadata) -> Result<Metadata, GenericMetadata>

Tries to convert the given GenericMetadata instance into a concrete metadata type.

fn from_generic_ref(gmd: &GenericMetadata) -> Option<&Metadata>

Tries to extract a reference to a concrete metadata type from the given GenericMetadata reference.

fn load<R: ?Sized + BufRead>(r: &mut R) -> Result<Metadata>

Attempts to load metadata for an image of a concrete type from the provided reader.

fn load_from_seek<R: ?Sized + BufRead + Seek>(r: &mut R) -> Result<Metadata>

Attempts to load metadata for an image of a concrete type from the provided seekable reader.

fn load_from_file<P: AsRef<Path>>(p: P) -> Result<Metadata>

Attempts to load metadata for an image of a concrete type from a file identified by the provided path.

fn load_from_buf(b: &[u8]) -> Result<Metadata>

Attempts to load metadata for an image of a concrete type from the provided byte buffer.