File indexing completed on 2025-03-02 05:33:39

 <?php
 
 namespace Intervention\Image\Imagick\Commands;
 
 use Intervention\Image\Imagick\Color;
 
 class TrimCommand extends \Intervention\Image\Commands\AbstractCommand
 {
     /**
      * Trims away parts of an image
      *
      * @param  \Intervention\Image\Image $image
      * @return boolean
      */
     public function execute($image)
     {
         $base = $this->argument(0)->type('string')->value();
         $away = $this->argument(1)->value();
         $tolerance = $this->argument(2)->type('numeric')->value(0);
         $feather = $this->argument(3)->type('numeric')->value(0);
 
         $width = $image->getWidth();
         $height = $image->getHeight();
 
         $checkTransparency = false;
 
         // define borders to trim away
         if (is_null($away)) {
             $away = ['top', 'right', 'bottom', 'left'];
         } elseif (is_string($away)) {
             $away = [$away];
         }
 
         // lower border names
         foreach ($away as $key => $value) {
             $away[$key] = strtolower($value);
         }
 
         // define base color position
         switch (strtolower($base)) {
             case 'transparent':
             case 'trans':
                 $checkTransparency = true;
                 $base_x = 0;
                 $base_y = 0;
                 break;
 
             case 'bottom-right':
             case 'right-bottom':
                 $base_x = $width - 1;
                 $base_y = $height - 1;
                 break;
 
             default:
             case 'top-left':
             case 'left-top':
                 $base_x = 0;
                 $base_y = 0;
                 break;
         }
 
         // pick base color
         if ($checkTransparency) {
             $base_color = new Color; // color will only be used to compare alpha channel
         } else {
             $base_color = $image->pickColor($base_x, $base_y, 'object');
         }
 
         // trim on clone to get only coordinates
         $trimed = clone $image->getCore();
 
         // add border to trim specific color
         $trimed->borderImage($base_color->getPixel(), 1, 1);
 
         // trim image
         $trimed->trimImage(65850 / 100 * $tolerance);
 
         // get coordinates of trim
         $imagePage = $trimed->getImagePage();
         list($crop_x, $crop_y) = [$imagePage['x']-1, $imagePage['y']-1];
         // $trimed->setImagePage(0, 0, 0, 0);
         list($crop_width, $crop_height) = [$trimed->width, $trimed->height];
 
         // adjust settings if right should not be trimed
         if ( ! in_array('right', $away)) {
             $crop_width = $crop_width + ($width - ($width - $crop_x));
         }
 
         // adjust settings if bottom should not be trimed
         if ( ! in_array('bottom', $away)) {
             $crop_height = $crop_height + ($height - ($height - $crop_y));
         }
 
         // adjust settings if left should not be trimed
         if ( ! in_array('left', $away)) {
             $crop_width = $crop_width + $crop_x;
             $crop_x = 0;
         }
 
         // adjust settings if top should not be trimed
         if ( ! in_array('top', $away)) {
             $crop_height = $crop_height + $crop_y;
             $crop_y = 0;
         }
 
         // add feather
         $crop_width = min($width, ($crop_width + $feather * 2));
         $crop_height = min($height, ($crop_height + $feather * 2));
         $crop_x = max(0, ($crop_x - $feather));
         $crop_y = max(0, ($crop_y - $feather));
 
         // finally crop based on page
         $image->getCore()->cropImage($crop_width, $crop_height, $crop_x, $crop_y);
         $image->getCore()->setImagePage(0,0,0,0);
 
         $trimed->destroy();
 
         return true;
     }
 }