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

 <?php
 
 namespace Intervention\Image\Gd\Commands;
 
 class SharpenCommand extends \Intervention\Image\Commands\AbstractCommand
 {
     /**
      * Sharpen image
      *
      * @param  \Intervention\Image\Image $image
      * @return boolean
      */
     public function execute($image)
     {
         $amount = $this->argument(0)->between(0, 100)->value(10);
 
         // build matrix
         $min = $amount >= 10 ? $amount * -0.01 : 0;
         $max = $amount * -0.025;
         $abs = ((4 * $min + 4 * $max) * -1) + 1;
         $div = 1;
 
         $matrix = [
             [$min, $max, $min],
             [$max, $abs, $max],
             [$min, $max, $min]
         ];
 
         // apply the matrix
         return imageconvolution($image->getCore(), $matrix, $div, 0);
     }
 }