aboutsummaryrefslogtreecommitdiffstats
path: root/phpBB/includes
diff options
context:
space:
mode:
Diffstat (limited to 'phpBB/includes')
-rw-r--r--phpBB/includes/functions_posting.php4
1 files changed, 4 insertions, 0 deletions
diff --git a/phpBB/includes/functions_posting.php b/phpBB/includes/functions_posting.php
index 046922b8e3..4ce5fbd133 100644
--- a/phpBB/includes/functions_posting.php
+++ b/phpBB/includes/functions_posting.php
@@ -688,6 +688,10 @@ function create_thumbnail($source, $destination, $mimetype)
return false;
}
+ // Preserve alpha transparency (png for example)
+ @imagealphablending($new_image, false);
+ @imagesavealpha($new_image, true);
+
imagecopyresampled($new_image, $image, 0, 0, 0, 0, $new_width, $new_height, $width, $height);
}