protected function FontOperationTrait::getFontPath in Image Effects 8.2

Same name and namespace in other branches

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

Return the path of the font file.

The imagettf* GD functions, and ImageMagick toolkit, do not allow use of URIs to specify files. Always resolve the font file to a local path.

Parameters

string $font_uri: The font URI.

Return value

string The local path of the font file.

3 calls to FontOperationTrait::getFontPath()

TextOverlay::execute in src/Plugin/ImageToolkit/Operation/gd/TextOverlay.php

Performs the actual manipulation on the image.

TextToWrapper::getTextHeightInfo in src/Plugin/ImageToolkit/Operation/gd/TextToWrapper.php

Return the height and basepoint of a text using TrueType fonts.

TextToWrapper::getTextWidth in src/Plugin/ImageToolkit/Operation/gd/TextToWrapper.php

Return the width of a text using TrueType fonts.

File

src/Plugin/ImageToolkit/Operation/FontOperationTrait.php, line 22

Class

FontOperationTrait

Base trait for image toolkit operations that require font handling.

Namespace

Drupal\image_effects\Plugin\ImageToolkit\Operation

Code

protected function getFontPath($font_uri) {
  if (!$font_uri) {
    throw new \InvalidArgumentException('Font file not specified');
  }

  // Determine if the $font_uri is a real URI or a local path.
  $uri_wrapper = \Drupal::service('stream_wrapper_manager')
    ->getViaUri($font_uri);

  // If local path, return it.
  if ($uri_wrapper === FALSE) {
    return $font_uri;
  }

  // Determine if a local path can be resolved for the URI. If so, return it.
  $local_path = $uri_wrapper
    ->realpath();
  if ($local_path !== FALSE) {
    return $local_path;
  }

  // If no local path available, the file may be stored in a remote file
  // system. Use the file metadata manager service to copy the file to local
  // temp and keep it there for further access within same request. It is not
  // necessary to load its metadata.
  $file = \Drupal::service('file_metadata_manager')
    ->uri($font_uri);
  $local_path = $file
    ->getLocalTempPath();
  if ($local_path !== NULL) {
    return $local_path;
  }
  elseif ($file
    ->copyUriToTemp() === TRUE) {
    return $file
      ->getLocalTempPath();
  }

  // None of the above worked, file can not be accessed.
  throw new \InvalidArgumentException("Cannot access font file '{$font_uri}'");
}