Add image decoding support with image crate

examples/thumbnail.rs

@@ -1,5 +1,6 @@
 //! Example: Download asset thumbnails
 
+use image::GenericImageView;
 use immich_sdk::Client;
 use immich_sdk::models::AssetMediaSize;
 use std::fs;
@@ -23,49 +24,27 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
 
     println!("Content type: {}", response.content_type());
     println!("Extension: {:?}", response.extension());
+    println!("Data size: {} bytes", response.data().len());
 
+    // Save raw bytes
     let ext = response.extension().unwrap_or("jpg");
     let output_path = format!("/path/to/output/thumbnail.{}", ext);
     fs::write(&output_path, response.data())?;
-    println!(
-        "Saved thumbnail: {} bytes to {}",
-        response.data().len(),
-        output_path
-    );
+    println!("Saved thumbnail to {}", output_path);
 
-    // Download preview (medium size)
-    let response = client
-        .assets()
-        .thumbnail(asset_id)
-        .size(AssetMediaSize::Preview)
-        .execute()
-        .await?;
+    // Decode the image
+    println!("\nDecoding image...");
+    let image = response.decode()?;
+    println!("Image dimensions: {}x{}", image.width(), image.height());
+    println!("Image color type: {:?}", image.color());
 
-    let ext = response.extension().unwrap_or("jpg");
-    let output_path = format!("/path/to/output/preview.{}", ext);
-    fs::write(&output_path, response.data())?;
-    println!(
-        "Saved preview: {} bytes to {}",
-        response.data().len(),
-        output_path
-    );
+    // Example: Get a specific pixel
+    let pixel = image.get_pixel(0, 0);
+    println!("Top-left pixel: {:?}", pixel);
 
-    // Download fullsize
-    let response = client
-        .assets()
-        .thumbnail(asset_id)
-        .size(AssetMediaSize::Fullsize)
-        .execute()
-        .await?;
-
-    let ext = response.extension().unwrap_or("jpg");
-    let output_path = format!("/path/to/output/fullsize.{}", ext);
-    fs::write(&output_path, response.data())?;
-    println!(
-        "Saved fullsize: {} bytes to {}",
-        response.data().len(),
-        output_path
-    );
+    // Example: Resize image (requires image crate features)
+    // let resized = image.resize(100, 100, image::imageops::FilterType::Lanczos3);
+    // println!("Resized to: {}x{}", resized.width(), resized.height());
 
     Ok(())
 }