diff --git a/components/canvas/raqote_backend.rs b/components/canvas/raqote_backend.rs
index 1bfc27b5ab4..b212a2622ea 100644
--- a/components/canvas/raqote_backend.rs
+++ b/components/canvas/raqote_backend.rs
@@ -310,8 +310,15 @@ impl GenericDrawTarget for raqote::DrawTarget {
     ) {
         unimplemented!();
     }
-    fn snapshot_data(&self, _f: &dyn Fn(&[u8]) -> Vec<u8>) -> Vec<u8> {
-        unimplemented!();
+    #[allow(unsafe_code)]
+    fn snapshot_data(&self, f: &dyn Fn(&[u8]) -> Vec<u8>) -> Vec<u8> {
+        let v = self.get_data();
+        f(unsafe {
+            std::slice::from_raw_parts(
+                v.as_ptr() as *const u8,
+                v.len() * std::mem::size_of::<u32>(),
+            )
+        })
     }
     fn snapshot_data_owned(&self) -> Vec<u8> {
         unimplemented!();