logo

Trait components::painting::ImageProvider

source · [−]
pub trait ImageProvider {
    fn create_stream(&self, configuration: ImageConfiguration) -> ImageStream;
    fn evict(
        &self, 
        cache: Option<ImageCache>, 
        configuration: ImageConfiguration
    ) -> Box<dyn Future<Output = bool>>;
    fn load(
        &self, 
        key: Key, 
        decode: Box<DecoderCallback>
    ) -> ImageStreamCompleter;
    fn obtain_cache_status(
        &self, 
        configuration: ImageConfiguration, 
        handle_error: Option<Box<ImageErrorListener>>
    ) -> Box<dyn Future<Output = Option<ImageCacheStatus>>>;
    fn obtain_key(
        &self, 
        configuration: ImageConfiguration
    ) -> Box<dyn Future<Output = Key>>;
    fn resolve(&self, configuration: ImageConfiguration) -> ImageStream;
    fn resolve_stream_for_key(
        &self, 
        configuration: ImageConfiguration, 
        stream: ImageStream, 
        key: Key, 
        handle_error: Option<Box<ImageErrorListener>>
    );
}

Required Methods

Implementors