protected function FocalPointEffectBase::transformFocalPoint in Focal Point 8

Returns the focal point value (in pixels) relative to the provided image.

Parameters

\Drupal\Core\Image\ImageInterface $image: Image object that the focal point must be applied to.

array $original_focal_point: An array with keys 'x' and 'y' which represent the focal point in pixels relative to the original image.

Return value

array An array with the keys 'x' and 'y'. Values are in pixels.

1 call to FocalPointEffectBase::transformFocalPoint()

FocalPointEffectBase::getAnchor in src/FocalPointEffectBase.php

Get the top-left anchor position of the crop area.

File

src/FocalPointEffectBase.php, line 398

Class

FocalPointEffectBase

Provides a base class for image effects.

Namespace

Drupal\focal_point

Code

protected function transformFocalPoint(ImageInterface $image, array $original_focal_point) {
  $image_size = [
    'width' => $image
      ->getWidth(),
    'height' => $image
      ->getHeight(),
  ];
  $original_image_size = $this
    ->getOriginalImageSize();
  $relative_focal_point = [
    'x' => (int) round($original_focal_point['x'] / $original_image_size['width'] * $image_size['width']),
    'y' => (int) round($original_focal_point['y'] / $original_image_size['height'] * $image_size['height']),
  ];
  return $relative_focal_point;
}