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| <?php | |
| namespace AssetsBundle\AssetFile\AssetFileFilter\ImageAssetFileFilter; | |
| class JpegAssetFileFilter extends \AssetsBundle\AssetFile\AssetFileFilter\ImageAssetFileFilter\AbstractImageAssetFileFilter | |
| { | |
| /** | |
| * @var string | |
| */ | |
| protected $assetFileFilterName = 'Jpeg'; | |
| /** | |
| * Compression level: from 0 (worst quality, smaller file) to 100 (best quality, biggest file) | |
| * @var int | |
| */ | |
| protected $imageQuality = 30; | |
| /** | |
| * @param int $iImageQuality | |
| * @throws \InvalidArgumentException | |
| * @return \AssetsBundle\AssetFile\AssetFileFilter\ImageAssetFileFilter\JpegAssetFileFilter | |
| */ | |
| public function setImageQuality(int $iImageQuality) : \AssetsBundle\AssetFile\AssetFileFilter\ImageAssetFileFilter\JpegAssetFileFilter | |
| { | |
| if (!is_int($iImageQuality) || $iImageQuality < 0 || $iImageQuality > 100) { | |
| throw new \InvalidArgumentException(sprintf( | |
| '$iImageQuality expects int from 0 to 100 "%s" given', | |
| is_scalar($iImageQuality) ? $iImageQuality : (is_object($iImageQuality) ? get_class($iImageQuality) : gettype($iImageQuality)) | |
| )); | |
| } | |
| $this->imageQuality = (int) $iImageQuality; | |
| return $this; | |
| } | |
| /** | |
| * @return int | |
| */ | |
| public function getImageQuality() : int | |
| { | |
| return $this->imageQuality; | |
| } | |
| /** | |
| * @param resource $rImage | |
| * @return string | |
| * @throws \InvalidArgumentException | |
| */ | |
| public function optimizeImage($rImage) : string | |
| { | |
| if (is_resource($rImage)) { | |
| ob_start(); | |
| imagejpeg($rImage, null, $this->getImageQuality()); | |
| return ob_get_clean(); | |
| } | |
| throw new \InvalidArgumentException('Image expects a ressource, "' . gettype($rImage) . '" given'); | |
| } | |
| } |