Struct WaveformCache 

pub struct WaveformCache { /* private fields */ }

Implementations

impl WaveformCache

pub fn new() -> WaveformCache

pub fn bars(&self) -> &[Rect]

pub fn is_empty(&self) -> bool

pub fn invalidate(&mut self)

pub fn update( &mut self, area: Rect, peaks: &Peaks, start_peak: usize, count: usize, width_px: usize, opts: WaveformOpts, ) -> bool

pub fn update_cols( &mut self, area: Rect, cols: &[MinMax], opts: WaveformOpts, ) -> bool

Trait Implementations

impl Clone for WaveformCache

fn clone(&self) -> WaveformCache

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for WaveformCache

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

Formats the value using the given formatter.

impl Default for WaveformCache

fn default() -> WaveformCache

Returns the “default value” for a type.