protected function DefineCanvas::process in Imagick 8

File

src/Plugin/ImageToolkit/Operation/imagick/DefineCanvas.php, line 47

Class

DefineCanvas

Defines imagick define canvas operation.

Namespace

Drupal\imagick\Plugin\ImageToolkit\Operation\imagick

Code

protected function process(Imagick &$resource, array $arguments) {
  $color = $arguments['HEX'];
  $under = $arguments['under'];
  $exact_size = $arguments['exact_measurements'];
  $exact = $arguments['exact'];
  $relative = $arguments['relative'];
  $canvas = new Imagick();
  $canvas
    ->setFormat($resource
    ->getImageFormat());
  $color = empty($color) ? 'none' : $color;
  if ($exact_size) {
    $width = $this::imagick_percent_filter($exact['width'], $resource
      ->getImageWidth());
    $height = $this::imagick_percent_filter($exact['height'], $resource
      ->getImageHeight());
    list($x, $y) = explode('-', $exact['anchor']);
    $x = image_filter_keyword($x, $width, $resource
      ->getImageWidth());
    $y = image_filter_keyword($y, $height, $resource
      ->getImageHeight());
  }
  else {
    $width = $resource
      ->getImageWidth() + $relative['leftdiff'] + $relative['rightdiff'];
    $height = $resource
      ->getImageHeight() + $relative['topdiff'] + $relative['bottomdiff'];
    $x = $relative['leftdiff'];
    $y = $relative['topdiff'];
  }
  if (!$canvas
    ->newImage($width, $height, new ImagickPixel($color))) {
    return FALSE;
  }
  if ($under && !$canvas
    ->compositeImage($resource, Imagick::COMPOSITE_DEFAULT, $x, $y)) {
    return FALSE;
  }
  $resource = clone $canvas;
  return TRUE;
}