protected function Convolution::execute in Image Effects 8.2

Same name in this branch

1. 8.2 src/Plugin/ImageToolkit/Operation/gd/Convolution.php \Drupal\image_effects\Plugin\ImageToolkit\Operation\gd\Convolution::execute()
2. 8.2 src/Plugin/ImageToolkit/Operation/imagemagick/Convolution.php \Drupal\image_effects\Plugin\ImageToolkit\Operation\imagemagick\Convolution::execute()

Same name and namespace in other branches

1. 8.3 src/Plugin/ImageToolkit/Operation/imagemagick/Convolution.php \Drupal\image_effects\Plugin\ImageToolkit\Operation\imagemagick\Convolution::execute()
2. 8 src/Plugin/ImageToolkit/Operation/imagemagick/Convolution.php \Drupal\image_effects\Plugin\ImageToolkit\Operation\imagemagick\Convolution::execute()

File

src/Plugin/ImageToolkit/Operation/imagemagick/Convolution.php, line 26

Class

Convolution

Defines ImageMagick Convolution operation.

Namespace

Drupal\image_effects\Plugin\ImageToolkit\Operation\imagemagick

Code

protected function execute(array $arguments) {
  if (isset($arguments['kernel']) && isset($arguments['divisor']) && isset($arguments['offset'])) {
    $matrix_s = '';
    foreach ($arguments['kernel'] as $vector) {
      $vector = array_map(function ($e) use ($arguments) {
        return $e / $arguments['divisor'] + $arguments['offset'];
      }, $vector);
      $matrix_s .= implode(',', $vector) . " ";
    }
    $matrix_s = substr($matrix_s, 0, -1);
    $this
      ->addArgument("-morphology Convolve '3x3:{$matrix_s}'");
  }
  return TRUE;
}