Enum Photometric 

pub enum Photometric {
    WhiteIsZero,
    BlackIsZero,
    Rgb,
    Palette,
}

How samples are interpreted.

Variants

WhiteIsZero

Zero is white — an inverted greyscale, common in scanned documents.

BlackIsZero

Zero is black.

Rgb

Red, green, blue.

Palette

Palette indices, resolved through the colour map.

Implementations

impl Photometric

pub fn from_tag(value: u32) -> Result<Self>

The interpretation for a Photometric tag value.

Errors

Returns PixelsError::Unsupported for CMYK, YCbCr and the rest.

Trait Implementations

impl Clone for Photometric

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for Photometric

impl Debug for Photometric

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

Formats the value using the given formatter.

impl Eq for Photometric

impl Hash for Photometric

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl PartialEq for Photometric

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for Photometric