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- <?php
- namespace OC\Preview;
- use OCP\ICache;
- use OCP\ICacheFactory;
- class IMagickSupport {
- private ICache $cache;
- private ?\Imagick $imagick;
- public function __construct(ICacheFactory $cacheFactory) {
- $this->cache = $cacheFactory->createLocal('imagick');
- if (extension_loaded('imagick')) {
- $this->imagick = new \Imagick();
- } else {
- $this->imagick = null;
- }
- }
- public function hasExtension(): bool {
- return !is_null($this->imagick);
- }
- public function supportsFormat(string $format): bool {
- if (is_null($this->imagick)) {
- return false;
- }
- $cached = $this->cache->get($format);
- if (!is_null($cached)) {
- return $cached;
- }
- $formatSupported = count($this->imagick->queryFormats($format)) === 1;
- $this->cache->set($format, $cached);
- return $formatSupported;
- }
- }
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