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<?php |
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|
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namespace Intervention\Image; |
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|
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use Closure; |
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use Intervention\Image\Exception\MissingDependencyException; |
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use Intervention\Image\Exception\NotSupportedException; |
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|
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class ImageManager |
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{ |
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/** |
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* Config |
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* |
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* @var array |
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*/ |
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public $config = [ |
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'driver' => 'gd' |
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]; |
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|
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/** |
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* Creates new instance of Image Manager |
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* |
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* @param array $config |
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*/ |
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public function __construct(array $config = []) |
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{ |
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$this->checkRequirements(); |
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$this->configure($config); |
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} |
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|
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/** |
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* Overrides configuration settings |
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* |
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* @param array $config |
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* |
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* @return self |
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*/ |
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public function configure(array $config = []) |
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{ |
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$this->config = array_replace($this->config, $config); |
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|
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return $this; |
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} |
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|
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/** |
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* Initiates an Image instance from different input types |
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* |
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* @param mixed $data |
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* |
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* @return \Intervention\Image\Image |
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*/ |
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public function make($data) |
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{ |
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return $this->createDriver()->init($data); |
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} |
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|
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/** |
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* Creates an empty image canvas |
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* |
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* @param int $width |
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* @param int $height |
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* @param mixed $background |
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* |
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* @return \Intervention\Image\Image |
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*/ |
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public function canvas($width, $height, $background = null) |
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{ |
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return $this->createDriver()->newImage($width, $height, $background); |
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} |
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|
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/** |
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* Create new cached image and run callback |
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* (requires additional package intervention/imagecache) |
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* |
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* @param Closure $callback |
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* @param int $lifetime |
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* @param boolean $returnObj |
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* |
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* @return Image |
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*/ |
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public function cache(Closure $callback, $lifetime = null, $returnObj = false) |
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{ |
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if (class_exists('Intervention\\Image\\ImageCache')) { |
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// create imagecache |
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$imagecache = new ImageCache($this); |
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|
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// run callback |
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if (is_callable($callback)) { |
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$callback($imagecache); |
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} |
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|
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return $imagecache->get($lifetime, $returnObj); |
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} |
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|
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throw new MissingDependencyException( |
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"Please install package intervention/imagecache before running this function." |
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); |
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} |
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|
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/** |
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* Creates a driver instance according to config settings |
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* |
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* @return \Intervention\Image\AbstractDriver |
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*/ |
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private function createDriver() |
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{ |
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if (is_string($this->config['driver'])) { |
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$drivername = ucfirst($this->config['driver']); |
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$driverclass = sprintf('Intervention\\Image\\%s\\Driver', $drivername); |
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|
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if (class_exists($driverclass)) { |
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return new $driverclass; |
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} |
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|
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throw new NotSupportedException( |
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"Driver ({$drivername}) could not be instantiated." |
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); |
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} |
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|
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if ($this->config['driver'] instanceof AbstractDriver) { |
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return $this->config['driver']; |
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} |
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|
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throw new NotSupportedException( |
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"Unknown driver type." |
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); |
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} |
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|
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/** |
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* Check if all requirements are available |
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* |
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* @return void |
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*/ |
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private function checkRequirements() |
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{ |
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if ( ! function_exists('finfo_buffer')) { |
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throw new MissingDependencyException( |
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"PHP Fileinfo extension must be installed/enabled to use Intervention Image." |
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); |
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} |
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} |
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} |
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|
