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<?php |
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declare(strict_types=1); |
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namespace tkanstantsin\fileupload\formatter; |
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use Imagine\Image\Box; |
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use Imagine\Image\BoxInterface; |
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use Imagine\Image\ImageInterface; |
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use Imagine\Imagick\Imagine; |
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/** |
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* Class ImageProcessor |
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*/ |
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class Image extends File |
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{ |
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/** |
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* Like background `cover` in css. |
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*/ |
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public const RESIZE_OUTBOUND = \Imagine\Image\ImageInterface::THUMBNAIL_OUTBOUND; |
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/** |
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* Like background `contain` in css. |
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*/ |
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public const RESIZE_INSET = \Imagine\Image\ImageInterface::THUMBNAIL_INSET; |
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/** |
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* Means that image may be smaller than defined in config, never bigger. |
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*/ |
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public const RESIZE_INSET_KEEP_RATIO = 'inset_keep_ratio'; |
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public const DEFAULT_EXTENSION = 'jpg'; |
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/** |
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* @var int |
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*/ |
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public $width; |
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/** |
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* @var int |
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*/ |
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public $height; |
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/** |
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* @var string |
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*/ |
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public $mode = self::RESIZE_INSET; |
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/** |
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* Whether image must keep aspect ration when used inset mote. |
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* Means that image would may be smaller than smaller |
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* @var bool |
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*/ |
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public $keepRatio = true; |
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/** |
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* @var Imagine |
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*/ |
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protected $imagine; |
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/** |
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* @inheritdoc |
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* @throws \UnexpectedValueException |
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* @throws \Imagine\Exception\InvalidArgumentException |
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* @throws \Imagine\Exception\RuntimeException |
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*/ |
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protected function getContentInternal() |
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{ |
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$this->imagine = new Imagine(); |
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$image = $this->imagine->read(parent::getContentInternal()); |
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$image = $this->format($image); |
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return $image->get($this->file->getExtension() ?? self::DEFAULT_EXTENSION); |
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} |
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/** |
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* @param ImageInterface $image |
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* @return ImageInterface |
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* @throws \UnexpectedValueException |
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* @throws \Imagine\Exception\RuntimeException |
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* @throws \Imagine\Exception\InvalidArgumentException |
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*/ |
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protected function format(ImageInterface $image): ImageInterface |
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{ |
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$box = $this->createBox($image); |
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if ($box === null) { |
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return $image; |
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} |
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switch ($this->mode) { |
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case self::RESIZE_OUTBOUND: |
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case self::RESIZE_INSET: |
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return $image->thumbnail($box, $this->mode); |
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case self::RESIZE_INSET_KEEP_RATIO: |
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// TODO: implement new resize mode. |
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throw new \UnexpectedValueException(sprintf('Resize mode `%s` not supported yet', $this->mode)); |
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default: |
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throw new \UnexpectedValueException(sprintf('Image resize mode `%s` not defined', $this->mode)); |
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} |
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} |
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/** |
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* @param ImageInterface $image |
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* @return BoxInterface|null |
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* @throws \Imagine\Exception\InvalidArgumentException |
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*/ |
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protected function createBox(ImageInterface $image): ?BoxInterface |
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{ |
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if ($this->width !== null |
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&& $this->height !== null |
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) { |
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return new Box($this->width, $this->height); |
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} |
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$actualBox = $image->getSize(); |
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if ($this->width !== null) { |
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return $actualBox->widen($this->width); |
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} |
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if ($this->height !== null |
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) { |
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return $actualBox->heighten($this->height); |
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} |
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// both are null |
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return null; |
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} |
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} |
t-kanstantsin /
fileupload
