From e2dd31f9878bb619ca53aa4708f8966808d7842a Mon Sep 17 00:00:00 2001
From: brendan braybrook <brendan@tucows.com>
Date: Mon, 11 Aug 2014 19:23:36 -0400
Subject: [PATCH] rotate image with GD if exit rotation data present
---
program/lib/Roundcube/rcube_image.php | 18 ++++++++++++++++++
1 files changed, 18 insertions(+), 0 deletions(-)
diff --git a/program/lib/Roundcube/rcube_image.php b/program/lib/Roundcube/rcube_image.php
index a432d92..c7a60e6 100644
--- a/program/lib/Roundcube/rcube_image.php
+++ b/program/lib/Roundcube/rcube_image.php
@@ -228,6 +228,24 @@
imagecopyresampled($new_image, $image, 0, 0, 0, 0, $width, $height, $props['width'], $props['height']);
$image = $new_image;
+ // fix rotation of image if EXIF data exists and specifies rotation (GD strips the EXIF data)
+ if (file_exists($this->image_file) ) {
+ $exif = exif_read_data($this->image_file);
+ if ($exif && $exif['Orientation']) {
+ switch($exif['Orientation']) {
+ case 3:
+ $image = imagerotate($image, 180, 0);
+ break;
+ case 6:
+ $image = imagerotate($image, -90, 0);
+ break;
+ case 8:
+ $image = imagerotate($image, 90, 0);
+ break;
+ }
+ }
+ }
+
if ($props['gd_type'] == IMAGETYPE_JPEG) {
$result = imagejpeg($image, $filename, 75);
}
--
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