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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\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 extends AbstractAsset |
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{ |
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/** @var string */ |
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private $path; |
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/** @var int */ |
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private $size; |
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/** @var bool */ |
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private $local = true; |
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/** @var string */ |
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private $source; |
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/** @var string */ |
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private $cachePath; |
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/** @var string */ |
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private $destination = null; |
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const CACHE_THUMBS_PATH = 'images/thumbs'; |
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/** |
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* Resizes 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 $size Image new size (width). |
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* |
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* @return string Path to the image thumbnail |
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*/ |
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public function resize(string $path, int $size): string |
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{ |
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// is not a local image? |
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if (Util::isExternalUrl($path)) { |
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$this->local = false; |
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} |
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$this->path = '/'.ltrim($path, '/'); |
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if (!$this->local) { |
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$this->path = $path; |
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} |
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$this->size = $size; |
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$returnPath = '/'.Util::joinPath(self::CACHE_THUMBS_PATH, $this->size.$this->path); |
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// source file |
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$this->setSource(); |
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// images cache path |
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$this->cachePath = Util::joinFile( |
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$this->config->getCachePath(), |
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self::CACHE_ASSETS_DIR, |
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self::CACHE_THUMBS_PATH |
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); |
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// is size is already OK? |
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list($width, $height) = getimagesize($this->source); |
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if ($width <= $this->size && $height <= $this->size) { |
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return $this->path; |
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} |
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// if GD extension is not installed: can't process |
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if (!extension_loaded('gd')) { |
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throw new Exception('GD extension is required to use images resize.'); |
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} |
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$this->destination = Util::joinFile($this->cachePath, $this->size.$this->path); |
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if (Util::getFS()->exists($this->destination)) { |
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return $returnPath; |
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} |
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// image object |
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try { |
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$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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} catch (NotReadableException $e) { |
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throw new Exception(sprintf('Cannot get image "%s"', $this->path)); |
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} |
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// return data:image for external image |
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if (!$this->local) { |
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return (string) $img->encode('data-url'); |
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} |
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// save file |
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Util::getFS()->mkdir(dirname($this->destination)); |
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$img->save($this->destination); |
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// return new path |
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return $returnPath; |
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} |
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/** |
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* Set the source file path. |
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* |
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* @return void |
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*/ |
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private function setSource(): void |
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{ |
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if ($this->local) { |
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$this->source = $this->config->getStaticPath().$this->path; |
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if (!Util::getFS()->exists($this->source)) { |
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throw new Exception(sprintf('Can\'t process "%s": file doesn\'t exists.', $this->source)); |
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} |
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return; |
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} |
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$this->source = $this->path; |
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if (!Util::isUrlFileExists($this->source)) { |
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throw new Exception(sprintf('Can\'t process "%s": remonte file doesn\'t exists.', $this->source)); |
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} |
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} |
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} |
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Cecilapp /
Cecil
