protected function ScaleAndSmartCropTrait::validateArguments in Image Effects 8.2

Same name and namespace in other branches

1. 8.3 src/Plugin/ImageToolkit/Operation/ScaleAndSmartCropTrait.php \Drupal\image_effects\Plugin\ImageToolkit\Operation\ScaleAndSmartCropTrait::validateArguments()
2. 8 src/Plugin/ImageToolkit/Operation/ScaleAndSmartCropTrait.php \Drupal\image_effects\Plugin\ImageToolkit\Operation\ScaleAndSmartCropTrait::validateArguments()

File

src/Plugin/ImageToolkit/Operation/ScaleAndSmartCropTrait.php, line 48

Class

ScaleAndSmartCropTrait

Base trait for Scale and Smart Crop operations.

Namespace

Drupal\image_effects\Plugin\ImageToolkit\Operation

Code

protected function validateArguments(array $arguments) {
  $actualWidth = $this
    ->getToolkit()
    ->getWidth();
  $actualHeight = $this
    ->getToolkit()
    ->getHeight();
  $scaleFactor = max($arguments['width'] / $actualWidth, $arguments['height'] / $actualHeight);
  $arguments['resize'] = [
    'width' => (int) round($actualWidth * $scaleFactor),
    'height' => (int) round($actualHeight * $scaleFactor),
  ];

  // Fail when width or height are 0 or negative.
  if ($arguments['width'] <= 0) {
    throw new \InvalidArgumentException("Invalid width ('{$arguments['width']}') specified for the image '{$this->getPluginDefinition()['operation']}' operation");
  }
  if ($arguments['height'] <= 0) {
    throw new \InvalidArgumentException("Invalid height ('{$arguments['height']}') specified for the image '{$this->getPluginDefinition()['operation']}' operation");
  }
  return $arguments;
}