From 33c58b5ca04f719df9e9b2d83b5aa99f7bff1d6f Mon Sep 17 00:00:00 2001
From: Jamie Pates <cyanoxide@gmail.com>
Date: Wed, 7 Oct 2026 21:34:38 +0100
Subject: [PATCH] Prevent "Export As" from saving webp files as "*.webp.psd"
 (#724)

---
 apps/photocraft/src/services.rs | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/apps/photocraft/src/services.rs b/apps/photocraft/src/services.rs
index 9d62a536..b779f643 100644
--- a/apps/photocraft/src/services.rs
+++ b/apps/photocraft/src/services.rs
@@ -26,6 +26,7 @@ const SAVE_FILTERS: &[(&str, &[&str])] = &[
     ("PhotoCraft", &["pcraft"]),
     ("PNG", &["png"]),
     ("JPEG", &["jpg"]),
+    ("WebP", &["webp"]),
     ("TIFF", &["tif"]),
     ("Targa", &["tga"]),
     ("OpenEXR", &["exr"]),
@@ -302,6 +303,14 @@ mod tests {
     use photocraft_ui_egui::{PhotocraftApp, prefs_ui};
     use serde_json::json;
 
+    /// "Export As" formats must lead with their own filter, or the save panel appends the first one's extension (`photo.webp.psd`).
+    #[test]
+    fn save_filters_lead_with_every_export_format() {
+        for ext in ["png", "jpg", "webp", "tif", "tga"] {
+            assert!(save_filters(&format!("photo.{ext}"))[0].1.contains(&ext), "{ext}");
+        }
+    }
+
     const RED: [f32; 4] = [1.0, 0.0, 0.0, 1.0];
     const BLUE: [f32; 4] = [0.0, 0.0, 1.0, 1.0];
     const GREEN: [f32; 4] = [0.0, 1.0, 0.0, 1.0];