From 7979f76dcd5d5e2340956f6ec3b9009e64648fc1 Mon Sep 17 00:00:00 2001
From: Daniel Friesel <derf@finalrewind.org>
Date: Mon, 17 Sep 2012 15:20:47 +0200
Subject: Fix EXIF orientation tag after lossless rotate

---
 man/feh.pre | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

(limited to 'man')

diff --git a/man/feh.pre b/man/feh.pre
index e047286..5199151 100644
--- a/man/feh.pre
+++ b/man/feh.pre
@@ -1106,6 +1106,16 @@ away.  See
 .Xr jpegtran 1
 for more about lossless JPEG rotation.
 .
+.Em Note:
+jpegtran does not update EXIF orientation tags. However,
+.Nm
+assumes that you use the feature to normalize image orientation and want it to
+be displayed this way everywhere. After every rotation, it will unconditionally
+set the EXIF orientation to 1
+.Pq Qq 0,0 is top left .
+Should you need to reverse this, see
+.Xr jpegexiforient 1 .
+.
 .It _ Bq flip
 .
 In place editing - vertical flip
@@ -1487,7 +1497,9 @@ but without the flickering.
 .Nm
 requires the
 .Cm jpegtran
-binary
+and
+.Cm jpegexiforient
+binaries
 .Pq usually distributed in Qo libjpeg-progs Qc or similar
 for lossless rotation.
 .
-- 
cgit v1.2.3