async-tiff 0.3.0

Asynchronous TIFF reader.
Documentation 
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use std::path::PathBuf;
use std::sync::Arc;

use object_store::local::LocalFileSystem;

use crate::metadata::TiffMetadataReader;
use crate::reader::{AsyncFileReader, ObjectReader};
use crate::TIFF;

const TEST_IMAGE_DIR: &str = "fixtures/";

pub(crate) async fn open_tiff(filename: &str) -> (Arc<dyn AsyncFileReader>, TIFF) {
    let manifest_dir = PathBuf::from(env!("CARGO_MANIFEST_DIR"));
    let store = Arc::new(LocalFileSystem::new_with_prefix(&manifest_dir).unwrap());
    let path = format!("{TEST_IMAGE_DIR}/{filename}");
    let reader = Arc::new(ObjectReader::new(store.clone(), path.as_str().into()))
        as Arc<dyn AsyncFileReader>;
    let mut metadata_reader = TiffMetadataReader::try_open(&reader).await.unwrap();
    (reader.clone(), metadata_reader.read(&reader).await.unwrap())
}