From 432d9f5f97a7312878f2f86ead13b6742638f7e8 Mon Sep 17 00:00:00 2001
From: Héctor Ramón Jiménez <hector@hecrj.dev>
Date: Wed, 20 Sep 2023 05:36:11 +0200
Subject: Fix `clippy::unused_async`

---
 .cargo/config.toml              |  3 ++-
 examples/screenshot/Cargo.toml  |  8 ++++++--
 examples/screenshot/src/main.rs | 23 ++++++++++++++---------
 3 files changed, 22 insertions(+), 12 deletions(-)

diff --git a/.cargo/config.toml b/.cargo/config.toml
index 2c6b20b6..9e265aa9 100644
--- a/.cargo/config.toml
+++ b/.cargo/config.toml
@@ -8,7 +8,8 @@ clippy --workspace --no-deps -- \
   -D clippy::match-wildcard-for-single-variants \
   -D clippy::redundant-closure-for-method-calls \
   -D clippy::filter_map_next \
-  -D clippy::manual_let_else
+  -D clippy::manual_let_else \
+  -D clippy::unused_async
 """
 
 nitpick = """
diff --git a/examples/screenshot/Cargo.toml b/examples/screenshot/Cargo.toml
index dcd77439..77b108bd 100644
--- a/examples/screenshot/Cargo.toml
+++ b/examples/screenshot/Cargo.toml
@@ -7,7 +7,11 @@ publish = false
 
 [dependencies]
 iced.workspace = true
-iced.features = ["debug", "image", "advanced"]
+iced.features = ["debug", "image", "advanced", "tokio"]
+
+image.workspace = true
+image.features = ["png"]
+
+tokio.workspace = true
 
-image = { workspace = true, features = ["png"]}
 tracing-subscriber = "0.3"
\ No newline at end of file
diff --git a/examples/screenshot/src/main.rs b/examples/screenshot/src/main.rs
index d9784dc8..fa06d3e9 100644
--- a/examples/screenshot/src/main.rs
+++ b/examples/screenshot/src/main.rs
@@ -273,15 +273,20 @@ impl Application for Example {
 
 async fn save_to_png(screenshot: Screenshot) -> Result<String, PngError> {
     let path = "screenshot.png".to_string();
-    img::save_buffer(
-        &path,
-        &screenshot.bytes,
-        screenshot.size.width,
-        screenshot.size.height,
-        ColorType::Rgba8,
-    )
-    .map(|_| path)
-    .map_err(|err| PngError(format!("{err:?}")))
+
+    tokio::task::spawn_blocking(move || {
+        img::save_buffer(
+            &path,
+            &screenshot.bytes,
+            screenshot.size.width,
+            screenshot.size.height,
+            ColorType::Rgba8,
+        )
+        .map(|_| path)
+        .map_err(|err| PngError(format!("{err:?}")))
+    })
+    .await
+    .expect("Blocking task to finish")
 }
 
 #[derive(Clone, Debug)]
-- 
cgit