fix: use exif oreintation

https://alexwlchan.net/2025/create-thumbnail-is-exif-aware/

src/main.rs

@@ -5,7 +5,10 @@ use iced::{
     keyboard::{self, Key, key},
     theme, widget, window,
 };
-use image::{EncodableLayout, ImageReader, RgbaImage, codecs::webp::WebPEncoder, imageops};
+use image::{
+    DynamicImage, EncodableLayout, ImageDecoder, ImageReader, RgbaImage, codecs::webp::WebPEncoder,
+    imageops,
+};
 use rfd::FileDialog;
 
 #[derive(Clone, Debug)]
@@ -124,7 +127,27 @@ impl State {
             }
         };
 
-        let decoded_image = match reader.decode() {
+        let mut decoder = match reader.into_decoder() {
+            Ok(d) => d,
+            Err(e) => {
+                return Some(format!(
+                    "failed to create decoder for '{}': {e}",
+                    path.as_ref().display()
+                ));
+            }
+        };
+
+        let oreintation = match decoder.orientation() {
+            Ok(o) => o,
+            Err(e) => {
+                return Some(format!(
+                    "failed to get oreintation of '{}': {e}",
+                    path.as_ref().display()
+                ));
+            }
+        };
+
+        let mut decoded_image = match DynamicImage::from_decoder(decoder) {
             Ok(i) => i,
             Err(e) => {
                 return Some(format!(
@@ -134,6 +157,8 @@ impl State {
             }
         };
 
+        decoded_image.apply_orientation(oreintation);
+
         self.image = Some(decoded_image.into_rgba8());
 
         None