Determines the dimensions of an image.

Parameters

string $image_style_name: The name of the style to be used to alter the original image.

array $dimensions: An associative array containing:

• width: The width of the source image (if known).
• height: The height of the source image (if known).

string $uri: The URI of the image file.

Return value

array Dimensions to be modified - an array with components width and height, in pixels.

File

core/modules/responsive_image/src/ResponsiveImageBuilder.php, line 274

Class

ResponsiveImageBuilder

Provides methods related to building responsive image source attributes.

Namespace

Drupal\responsive_image

Code

public function getImageDimensions(string $image_style_name, array $dimensions, string $uri) : array {
  // Determine the dimensions of the styled image.
  if ($image_style_name == ResponsiveImageStyleInterface::EMPTY_IMAGE) {
    $dimensions = [
      'width' => 1,
      'height' => 1,
    ];
  }
  elseif ($entity = $this->entityTypeManager
    ->getStorage('image_style')
    ->load($image_style_name)) {
    assert($entity instanceof ImageStyle);
    $entity->transformDimensions($dimensions, $uri);
  }
  return $dimensions;
}

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