diff --git a/crates/epaint/src/image.rs b/crates/epaint/src/image.rs
index fa3f1e5e0c0..454969d75cb 100644
--- a/crates/epaint/src/image.rs
+++ b/crates/epaint/src/image.rs
@@ -120,6 +120,16 @@ impl ColorImage {
         Self { size, pixels }
     }
 
+    /// Alternative method to `from_gray`.
+    /// Create a [`ColorImage`] from iterator over flat opaque gray data.
+    ///
+    /// Panics if `size[0] * size[1] != gray_iter.len()`.
+    pub fn from_gray_iter(size: [usize; 2], gray_iter: impl Iterator<Item = u8>) -> Self {
+        let pixels: Vec<_> = gray_iter.map(Color32::from_gray).collect();
+        assert_eq!(size[0] * size[1], pixels.len());
+        Self { size, pixels }
+    }
+
     /// A view of the underlying data as `&[u8]`
     #[cfg(feature = "bytemuck")]
     pub fn as_raw(&self) -> &[u8] {