From 8299fd24ec02200d774c53a340deaf7e19fc25de Mon Sep 17 00:00:00 2001
From: Stefan Forstenlechner <stefanforstenlechner@gmail.com>
Date: Sun, 10 Apr 2022 17:40:47 +0200
Subject: [PATCH] Consider orientation

---
 picture-gallery-server/src/app.ts | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/picture-gallery-server/src/app.ts b/picture-gallery-server/src/app.ts
index beec04b..1ce87a5 100644
--- a/picture-gallery-server/src/app.ts
+++ b/picture-gallery-server/src/app.ts
@@ -25,10 +25,11 @@ app.get("/api(/*)?", (req, res) => {
     .filter((f) => f.isFile())
     .map((f) => {
       const dimensions = sizeOf(`${publicPath}${requestedPath}/${f.name}`);
+      const widthAndHeightSwap = dimensions.orientation > 4; // see https://exiftool.org/TagNames/EXIF.html
       return {
         src: `/images${normalizedPath}/${f.name}`,
-        width: dimensions.width,
-        height: dimensions.height,
+        width: widthAndHeightSwap ? dimensions.height : dimensions.width,
+        height: widthAndHeightSwap ? dimensions.width : dimensions.height,
       };
     });