Struct ExtraChannelInfo 

pub struct ExtraChannelInfo {
    pub ec_type: ExtraChannelType,
    pub bit_depth: BitDepth,
    pub dim_shift: u32,
    pub name: String,
    pub alpha_associated: bool,
    pub spot_color: [f32; 4],
    pub cfa_channel: u32,
}

Information about an extra channel.

Fields

ec_type: ExtraChannelType

Type of extra channel.

bit_depth: BitDepth

Bit depth of this channel.

dim_shift: u32

Dimension shift (log2 of downsampling factor).

name: String

Name of the channel (optional).

alpha_associated: bool

Whether alpha is premultiplied.

spot_color: [f32; 4]

Spot color values (for SpotColor type).

cfa_channel: u32

CFA index (for CFA type).

Implementations

impl ExtraChannelInfo

pub fn alpha() -> Self

Creates an alpha channel with default settings.

pub fn depth() -> Self

Creates a depth channel.

pub fn spot_color(color: [f32; 4]) -> Self

Creates a spot color channel.

pub fn write(&self, writer: &mut BitWriter) -> Result<()>

Writes the extra channel info to the bitstream.

Trait Implementations

impl Clone for ExtraChannelInfo

fn clone(&self) -> ExtraChannelInfo

Returns a duplicate 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() -> Self

Returns the “default value” for a type.