diff options
Diffstat (limited to 'lib/private/image.php')
| -rw-r--r-- | lib/private/image.php | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/lib/private/image.php b/lib/private/image.php index 5331c399159..0dff8c5a9da 100644 --- a/lib/private/image.php +++ b/lib/private/image.php @@ -870,6 +870,14 @@ class OC_Image { imagedestroy($process); return false; } + + // preserve transparency + if($this->imageType == IMAGETYPE_GIF or $this->imageType == IMAGETYPE_PNG) { + imagecolortransparent($process, imagecolorallocatealpha($process, 0, 0, 0, 127)); + imagealphablending($process, false); + imagesavealpha($process, true); + } + imagecopyresampled($process, $this->resource, 0, 0, $x, $y, $w, $h, $w, $h); if ($process == false) { OC_Log::write('core', __METHOD__.'(): Error resampling process image '.$w.'x'.$h, OC_Log::ERROR); |