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<?php |
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namespace HtImgModule\Imagine\Filter; |
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use HtImgModule\Exception; |
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use HtImgModule\Options\FilterOptionsInterface; |
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use Imagine\Image\ImageInterface; |
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use Zend\ServiceManager\ServiceLocatorInterface; |
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class FilterManager implements FilterManagerInterface |
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{ |
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/** |
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* @var FilterOptionsInterface |
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*/ |
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protected $filterOptions; |
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/** |
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* @var ServiceLocatorInterface |
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*/ |
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protected $filterLoaderPluginManager; |
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/** |
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* Constructor |
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* |
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* @param FilterOptionsInterface $filterOptions |
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* @param ServiceLocatorInterface $filterLoaderPluginManager |
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*/ |
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public function __construct( |
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FilterOptionsInterface $filterOptions, |
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ServiceLocatorInterface $filterLoaderPluginManager |
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) { |
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$this->filterOptions = $filterOptions; |
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$this->filterLoaderPluginManager = $filterLoaderPluginManager; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function getFilter($filter) |
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{ |
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$this->validateFilter($filter); |
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$options = $this->filterOptions->getFilters()[$filter]; |
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return $this->filterLoaderPluginManager->get($options['type'])->load($options['options']); |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function getFilterOptions($filter) |
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{ |
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$this->validateFilter($filter); |
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$options = $this->filterOptions->getFilters()[$filter]; |
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return $options['options']; |
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} |
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/** |
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* Validates if filter exists and is valid |
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* |
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* @param string $filter Filter Service |
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* @throws Exception\FilterNotFoundException |
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* @throws Exception\InvalidArgumentException |
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* @return void |
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*/ |
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protected function validateFilter($filter) |
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{ |
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if (!isset($this->filterOptions->getFilters()[$filter])) { |
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throw new Exception\FilterNotFoundException(sprintf( |
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'Filter "%s" was not found', $filter |
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)); |
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} |
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$options = $this->filterOptions->getFilters()[$filter]; |
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if (!isset($options['type'])) { |
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throw new Exception\InvalidArgumentException(sprintf( |
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'Filter type for "%s" image filter must be specified', $filter |
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)); |
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} |
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if (!isset($options['options'])) { |
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throw new Exception\InvalidArgumentException(sprintf( |
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'Options for filter type "%s" must be specified', $filter |
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)); |
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} |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function applyFilter(ImageInterface $image, $filter) |
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{ |
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return $this->getFilter($filter)->apply($image); |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function addFilter($name, array $options) |
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{ |
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$this->filterOptions->addFilter($name, $options); |
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return $this; |
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} |
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} |
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hrevert /
HtImgModule
