From 9c0d517dabd856761460bf1721a4a1e96e58fec7 Mon Sep 17 00:00:00 2001
From: "Sergey \"Shnatsel\" Davidoff" <shnatsel@gmail.com>
Date: Fri, 13 Sep 2024 06:49:56 +0100
Subject: [PATCH] Add a function to convert from Orientation to Exif values

---
 src/orientation.rs | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/src/orientation.rs b/src/orientation.rs
index 37399e47c8..f2e2493b33 100644
--- a/src/orientation.rs
+++ b/src/orientation.rs
@@ -38,4 +38,17 @@ impl Orientation {
         }
     }
 
+    /// Converts into [Exif orientation](https://web.archive.org/web/20200412005226/https://www.impulseadventure.com/photo/exif-orientation.html)
+    pub fn to_exif(self) -> u8 {
+        match self {
+            Self::NoTransforms => 1,
+            Self::FlipHorizontal => 2,
+            Self::Rotate180 => 3,
+            Self::FlipVertical => 4,
+            Self::Rotate90FlipH => 5,
+            Self::Rotate90 => 6,
+            Self::Rotate270FlipH => 7,
+            Self::Rotate270 => 8,
+        }
+    }
 }