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<?php |
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/* |
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* This file is part of the Cecil/Cecil package. |
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* |
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* Copyright (c) Arnaud Ligny <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Cecil\Assets; |
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use Cecil\Builder; |
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use Cecil\Config; |
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use Cecil\Exception\Exception; |
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use Cecil\Util; |
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use Intervention\Image\Exception\NotReadableException; |
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use Intervention\Image\ImageManagerStatic as ImageManager; |
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class Image |
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{ |
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/** @var Config */ |
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private $config; |
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/** @var string */ |
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private $path; |
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/** @var string */ |
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private $size; |
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/** @var bool */ |
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private $external; |
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/** @var string */ |
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private $source; |
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/** @var string */ |
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private $destination = null; |
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/** @var string */ |
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private $imageRelPath = null; |
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/** @var string */ |
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private $thumbsDir = null; |
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public function __construct(Builder $builder) |
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{ |
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$this->config = $builder->getConfig(); |
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} |
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/** |
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* Resize an image. |
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* |
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* @param string $path Image path (relative from static/ dir or external) |
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* @param int $this->size Image new size (width) |
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* |
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* @return string Path to image thumbnail |
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*/ |
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public function resize(string $path, int $size): string |
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{ |
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$this->path = $path; |
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$this->size = $size; |
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$this->source = $path; |
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// is external image? |
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if (Util::isExternalUrl($this->path)) { |
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$this->external = true; |
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} |
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if (!$this->external) { |
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$this->source = $this->config->getStaticPath().'/'.ltrim($this->path, '/'); |
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if (!Util::getFS()->exists($this->source)) { |
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throw new Exception(sprintf('Can\'t resize "%s": file doesn\'t exists.', $this->path)); |
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} |
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// ie: .cache/images/thumbs/300 |
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$this->thumbsDir = (string) $this->config->get('cache.dir') |
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.'/'.(string) $this->config->get('cache.images.dir') |
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.'/'.(string) $this->config->get('cache.images.thumbs.dir') |
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.'/'.$this->size; |
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// ie: .cache/images/thumbs/300/img/logo.png |
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$this->imageRelPath = $this->thumbsDir.'/'.ltrim($this->path, '/'); |
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// where to write file |
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$this->destination = $this->config->getDestinationDir().'/'.$this->imageRelPath; |
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if ($this->config->isCacheDirIsAbsolute()) { |
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$this->destination = $this->imageRelPath; |
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} |
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} |
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// is size is already OK? |
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list($width, $height) = getimagesize($this->external ? $this->path : $this->source); |
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if ($width <= $this->size && $height <= $this->size) { |
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return $this->path; |
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} |
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// if GD extension is not installed: can't process |
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if (!extension_loaded('gd')) { |
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return $this->path; |
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} |
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return $this->doResize(); |
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} |
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/** |
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* Resize with Intervention ImageManager. |
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* |
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* @return string |
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*/ |
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private function doResize(): string |
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{ |
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try { |
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// external image |
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if ($this->external) { |
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try { |
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$img = ImageManager::make($this->path); |
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$img->resize($this->size, null, function (\Intervention\Image\Constraint $constraint) { |
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$constraint->aspectRatio(); |
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$constraint->upsize(); |
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}); |
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} catch (NotReadableException $e) { |
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throw new Exception(sprintf('Cannot get image "%s"', $this->path)); |
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} |
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// return data:image |
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return (string) $img->encode('data-url'); |
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} |
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// local image |
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if (!Util::getFS()->exists($this->destination)) { |
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$img = ImageManager::make($this->source); |
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$img->resize($this->size, null, function (\Intervention\Image\Constraint $constraint) { |
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$constraint->aspectRatio(); |
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$constraint->upsize(); |
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}); |
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// is a sub dir is necessary? |
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$imageSubDir = Util::getFS()->makePathRelative('/'.dirname($this->imageRelPath), '/'.$this->thumbsDir.'/'); |
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if (!empty($imageSubDir)) { |
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$destDir = $this->config->getCacheImagesThumbsPath().'/'.$this->size.'/'.$imageSubDir; |
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Util::getFS()->mkdir($destDir); |
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} |
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$img->save($this->destination); |
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} |
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// return relative path |
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return '/'.$this->config->get('cache.images.dir') |
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.'/'.(string) $this->config->get('cache.images.thumbs.dir') |
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.'/'.$this->size |
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.'/'.ltrim($this->path, '/'); |
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} catch (\Exception $e) { |
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throw new \Exception(sprintf("Error during \"%s\" process.\n%s", get_class($this), $e->getMessage())); |
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} |
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} |
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} |
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Cecilapp /
Cecil
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