Trait tts::Backend

pub trait Backend: DynClone {
    fn id(&self) -> Option<BackendId>;
    fn supported_features(&self) -> Features;
    fn speak(
        &mut self, 
        text: &str, 
        interrupt: bool
    ) -> Result<Option<UtteranceId>, Error>;
    fn stop(&mut self) -> Result<(), Error>;
    fn min_rate(&self) -> f32;
    fn max_rate(&self) -> f32;
    fn normal_rate(&self) -> f32;
    fn get_rate(&self) -> Result<f32, Error>;
    fn set_rate(&mut self, rate: f32) -> Result<(), Error>;
    fn min_pitch(&self) -> f32;
    fn max_pitch(&self) -> f32;
    fn normal_pitch(&self) -> f32;
    fn get_pitch(&self) -> Result<f32, Error>;
    fn set_pitch(&mut self, pitch: f32) -> Result<(), Error>;
    fn min_volume(&self) -> f32;
    fn max_volume(&self) -> f32;
    fn normal_volume(&self) -> f32;
    fn get_volume(&self) -> Result<f32, Error>;
    fn set_volume(&mut self, volume: f32) -> Result<(), Error>;
    fn is_speaking(&self) -> Result<bool, Error>;
    fn voices(&self) -> Result<Vec<Voice>, Error>;
    fn voice(&self) -> Result<Option<Voice>, Error>;
    fn set_voice(&mut self, voice: &Voice) -> Result<(), Error>;
}

Required Methods

fn id(&self) -> Option<BackendId>

fn supported_features(&self) -> Features

fn speak(
    &mut self,
    text: &str,
    interrupt: bool
) -> Result<Option<UtteranceId>, Error>

fn stop(&mut self) -> Result<(), Error>

fn min_rate(&self) -> f32

fn max_rate(&self) -> f32

fn normal_rate(&self) -> f32

fn get_rate(&self) -> Result<f32, Error>

fn set_rate(&mut self, rate: f32) -> Result<(), Error>

fn min_pitch(&self) -> f32

fn max_pitch(&self) -> f32

fn normal_pitch(&self) -> f32

fn get_pitch(&self) -> Result<f32, Error>

fn set_pitch(&mut self, pitch: f32) -> Result<(), Error>

fn min_volume(&self) -> f32

fn max_volume(&self) -> f32

fn normal_volume(&self) -> f32

fn get_volume(&self) -> Result<f32, Error>

fn set_volume(&mut self, volume: f32) -> Result<(), Error>

fn is_speaking(&self) -> Result<bool, Error>

fn voices(&self) -> Result<Vec<Voice>, Error>

fn voice(&self) -> Result<Option<Voice>, Error>

fn set_voice(&mut self, voice: &Voice) -> Result<(), Error>

Trait Implementations

impl<'clone> Clone for Box<dyn Backend + 'clone>

fn clone(&self) -> Self

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<'clone> Clone for Box<dyn Backend + Send + 'clone>

fn clone(&self) -> Self

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<'clone> Clone for Box<dyn Backend + Sync + 'clone>

fn clone(&self) -> Self

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<'clone> Clone for Box<dyn Backend + Send + Sync + 'clone>

fn clone(&self) -> Self

Returns a copy of the value.

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

Performs copy-assignment from source.

Implementors