File indexing completed on 2025-01-26 05:29:14

 <?php
 
 namespace Intervention\Image\Gd;
 
 class Driver extends \Intervention\Image\AbstractDriver
 {
     /**
      * Creates new instance of driver
      *
      * @param Decoder $decoder
      * @param Encoder $encoder
      */
     public function __construct(Decoder $decoder = null, Encoder $encoder = null)
     {
         if ( ! $this->coreAvailable()) {
             throw new \Intervention\Image\Exception\NotSupportedException(
                 "GD Library extension not available with this PHP installation."
             );
         }
 
         $this->decoder = $decoder ? $decoder : new Decoder;
         $this->encoder = $encoder ? $encoder : new Encoder;
     }
 
     /**
      * Creates new image instance
      *
      * @param  int     $width
      * @param  int     $height
      * @param  mixed   $background
      * @return \Intervention\Image\Image
      */
     public function newImage($width, $height, $background = null)
     {
         // create empty resource
         $core = imagecreatetruecolor($width, $height);
         $image = new \Intervention\Image\Image(new static, $core);
 
         // set background color
         $background = new Color($background);
         imagefill($image->getCore(), 0, 0, $background->getInt());
 
         return $image;
     }
 
     /**
      * Reads given string into color object
      *
      * @param  string $value
      * @return AbstractColor
      */
     public function parseColor($value)
     {
         return new Color($value);
     }
 
     /**
      * Checks if core module installation is available
      *
      * @return boolean
      */
     protected function coreAvailable()
     {
         return (extension_loaded('gd') && function_exists('gd_info'));
     }
 
     /**
      * Returns clone of given core
      *
      * @return mixed
      */
     public function cloneCore($core)
     {
         $width = imagesx($core);
         $height = imagesy($core);
         $clone = imagecreatetruecolor($width, $height);
         imagealphablending($clone, false);
         imagesavealpha($clone, true);
         $transparency = imagecolorallocatealpha($clone, 0, 0, 0, 127);
         imagefill($clone, 0, 0, $transparency);
         
         imagecopy($clone, $core, 0, 0, 0, 0, $width, $height);
 
         return $clone;
     }
 }