diff options
Diffstat (limited to 'apps/theming')
| -rw-r--r-- | apps/theming/lib/ImageManager.php | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/apps/theming/lib/ImageManager.php b/apps/theming/lib/ImageManager.php index 2b58fa499f4..a50522cd895 100644 --- a/apps/theming/lib/ImageManager.php +++ b/apps/theming/lib/ImageManager.php @@ -228,13 +228,17 @@ class ImageManager { // either to big or are not progressive rendering. $newImage = @imagecreatefromstring(file_get_contents($tmpFile)); + // Preserve transparency + imagesavealpha($newImage, true); + imagealphablending($newImage, true); + $tmpFile = $this->tempManager->getTemporaryFile(); $newWidth = (int)(imagesx($newImage) < 4096 ? imagesx($newImage) : 4096); $newHeight = (int)(imagesy($newImage) / (imagesx($newImage) / $newWidth)); $outputImage = imagescale($newImage, $newWidth, $newHeight); imageinterlace($outputImage, 1); - imagejpeg($outputImage, $tmpFile, 75); + imagepng($outputImage, $tmpFile, 8); imagedestroy($outputImage); $target->putContent(file_get_contents($tmpFile)); |