Struct Ifd 

pub struct Ifd {
    pub offset: u64,
    pub entries: HashMap<TiffTag, IfdEntry>,
    pub other_tags: HashMap<u16, IfdEntry>,
    pub next_ifd_offset: u64,
    pub sub_ifds: Vec<Ifd>,
    pub exif_ifd: Option<Box<Ifd>>,
    pub gps_ifd: Option<Box<Ifd>>,
}

A parsed IFD (Image File Directory).

Fields

offset: u64

Offset of this IFD in the file

entries: HashMap<TiffTag, IfdEntry>

Parsed entries (known tags)

other_tags: HashMap<u16, IfdEntry>

Other tags (format-specific, not in TiffTag enum)

next_ifd_offset: u64

Offset to next IFD (0 if none)

sub_ifds: Vec<Ifd>

SubIFDs (parsed from SubIFDs tag)

exif_ifd: Option<Box<Ifd>>

EXIF IFD (if present)

gps_ifd: Option<Box<Ifd>>

GPS IFD (if present)

Implementations

impl Ifd

pub fn get(&self, tag: TiffTag) -> Option<&IfdEntry>

Get a tag value if present.

pub fn contains(&self, tag: TiffTag) -> bool

Check if a tag is present.

pub fn has_other_tags(&self) -> bool

Returns true if any other (format-specific) tags exist.

pub fn other_tag_ids(&self) -> Vec<u16>

Returns list of other tag IDs in this IFD.

pub fn all_tag_ids(&self) -> Vec<u16>

Get all tag IDs present in this IFD (both known and other).

Trait Implementations

impl Clone for Ifd

fn clone(&self) -> Ifd

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Ifd

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

Formats the value using the given formatter.