Struct iced_audio::core::range::LogDBRange

pub struct LogDBRange { /* fields omitted */ }

A range that defines a continuous logarithmic range of dB values, with an inflection/stationary point at 0 dB

Values around 0 dB (positive and negative) will increment slower per slider movement than values farther away from 0 dB.

Implementations

impl LogDBRange

pub fn new(min: f32, max: f32, zero_position: Normal) -> Self

Creates a new LogDBRange

Arguments

• min - the minimum of the range in dB (inclusive), must be <= 0.0
• max - the maximum of the range in dB (inclusive), must be >= 0.0
• zero_position - a normal that defines where on the slider 0 decibels should be. For example, Normal::new(0.5) will have 0 dB at the center of the slider. Normals of 1.0 and 0.0 can be used for only negative or only positive decibels respectively

Panics

This will panic if

• max <= min
• min > 0.0
• max < 0.0

pub fn normal_param(&self, value: f32, default: f32) -> NormalParam

Creates a new NormalParam with values mapped from this range.

• value - The inital value of the parameter.
• default_value - The default value of the parameter.

pub fn default_normal_param(&self) -> NormalParam

Creates a new NormalParam with values mapped from this range where value and default_value is 0.0.

pub fn map_to_normal(&self, value: f32) -> Normal

Returns the corresponding Normal from the supplied value

pub fn unmap_to_value(&self, normal: Normal) -> f32

Returns the corresponding dB value from the supplied Normal

Trait Implementations

impl Clone for LogDBRange

fn clone(&self) -> LogDBRange

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for LogDBRange

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

Formats the value using the given formatter.

impl Default for LogDBRange

fn default() -> Self

Returns the “default value” for a type.

impl Copy for LogDBRange