Struct ExtraChannelInfo

pub struct ExtraChannelInfo {
    pub ty: ExtraChannelType,
    pub bit_depth: BitDepth,
    pub dim_shift: u32,
    pub name: Name,
}

Information about an extra channel.

Fields

ty: ExtraChannelType

Type and associated parameters of the channel.

bit_depth: BitDepth

Bit depth information about the channel.

dim_shift: u32

dim_shift used to decode Modular image.

name: Name

Name of the channel.

Implementations

impl ExtraChannelInfo

pub fn is_alpha(&self) -> bool

Returns whether this is an alpha channel.

pub fn alpha_associated(&self) -> Option<bool>

Returns whether the alpha channel has premultiplied semantics.

pub fn is_black(&self) -> bool

Returns whether this is a black channel of a CMYK image.

Trait Implementations

impl<Ctx> Bundle<Ctx> for ExtraChannelInfo

type Error = Error

fn parse(bitstream: &mut Bitstream<'_>, _: Ctx) -> Result<Self>

Parses a value from the bitstream with the given context.

impl Clone for ExtraChannelInfo

fn clone(&self) -> ExtraChannelInfo

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for ExtraChannelInfo

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

Formats the value using the given formatter.

impl Default for ExtraChannelInfo

fn default() -> ExtraChannelInfo

Returns the “default value” for a type.