Enum usvg_tree::filter::TransferFunction

pub enum TransferFunction {
    Identity,
    Table(Vec<f32>),
    Discrete(Vec<f32>),
    Linear {
        slope: f32,
        intercept: f32,
    },
    Gamma {
        amplitude: f32,
        exponent: f32,
        offset: f32,
    },
}

A transfer function used by FeComponentTransfer.

https://www.w3.org/TR/SVG11/filters.html#transferFuncElements

Variants

Identity

Keeps a component as is.

Table(Vec<f32>)

Applies a linear interpolation to a component.

The number list can be empty.

Discrete(Vec<f32>)

Applies a step function to a component.

The number list can be empty.

Linear

Fields

slope: f32

intercept: f32

Applies a linear shift to a component.

Gamma

Fields

amplitude: f32

exponent: f32

offset: f32

Applies an exponential shift to a component.

Trait Implementations

impl Clone for TransferFunction

fn clone(&self) -> TransferFunction

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for TransferFunction

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

Formats the value using the given formatter.