Restore as_ref method

linebender · Aug 19, 2022 · 3edab42 · 3edab42
1 parent eb77c9a
commit 3edab42
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/piet-coregraphics/src/lib.rs b/piet-coregraphics/src/lib.rs
@@ -134,6 +134,12 @@ impl CoreGraphicsImage {
             false => CoreGraphicsImage::YUp(image),
         }
     }
+    fn as_ref(&self) -> Option<&CGImage> {
+        match self {
+            CoreGraphicsImage::Empty => None,
+            CoreGraphicsImage::YUp(image) | CoreGraphicsImage::YDown(image) => Some(image),
+        }
+    }
     pub fn copy_image(&self) -> Option<CGImage> {
         if let CoreGraphicsImage::YUp(image) | CoreGraphicsImage::YDown(image) = self {
             Some(image.clone())