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[stable25] Fix distorted previews when using imaginary #35117

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merged 1 commit into from
Nov 15, 2022
Merged

[stable25] Fix distorted previews when using imaginary #35117

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18 changes: 14 additions & 4 deletions lib/private/Preview/Imaginary.php
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Original file line number Diff line number Diff line change
Expand Up @@ -27,6 +27,7 @@
use OCP\Http\Client\IClientService;
use OCP\IConfig;
use OCP\IImage;
use OCP\Image;

use OC\StreamImage;
use Psr\Log\LoggerInterface;
Expand Down Expand Up @@ -126,12 +127,21 @@ public function getCroppedThumbnail(File $file, int $maxX, int $maxY, bool $crop
return null;
}

if ($response->getHeader('X-Image-Width') && $response->getHeader('X-Image-Height')) {
$maxX = (int)$response->getHeader('X-Image-Width');
$maxY = (int)$response->getHeader('X-Image-Height');
// This is not optimal but previews are distorted if the wrong width and height values are
// used. Both dimension headers are only sent when passing the option "-return-size" to
// Imaginary.
if ($response->getHeader('Image-Width') && $response->getHeader('Image-Height')) {
$image = new StreamImage(
$response->getBody(),
$response->getHeader('Content-Type'),
(int)$response->getHeader('Image-Width'),
(int)$response->getHeader('Image-Height'),
);
} else {
$image = new Image();
$image->loadFromFileHandle($response->getBody());
}

$image = new StreamImage($response->getBody(), $response->getHeader('Content-Type'), $maxX, $maxY);
return $image->valid() ? $image : null;
}

Expand Down