protected function ImagemagickToolkit::parseFileViaIdentify in ImageMagick 8.2

Same name and namespace in other branches

1. 8 src/Plugin/ImageToolkit/ImagemagickToolkit.php \Drupal\imagemagick\Plugin\ImageToolkit\ImagemagickToolkit::parseFileViaIdentify()

Parses the image file using the 'identify' executable.

Return value

bool TRUE if the file could be found and is an image, FALSE otherwise.

1 call to ImagemagickToolkit::parseFileViaIdentify()

ImagemagickToolkit::parseFile in src/Plugin/ImageToolkit/ImagemagickToolkit.php

Determines if a file contains a valid image.

File

src/Plugin/ImageToolkit/ImagemagickToolkit.php, line 1234

Class

ImagemagickToolkit

Provides ImageMagick integration toolkit for image manipulation.

Namespace

Drupal\imagemagick\Plugin\ImageToolkit

Code

protected function parseFileViaIdentify() {

  // Get 'imagemagick_identify' metadata for this image. The file metadata
  // plugin will fetch it from the file via the ::identify() method if data
  // is not already available.
  if (!($file_md = $this->fileMetadataManager
    ->uri($this
    ->getSource()))) {

    // No file, return.
    return FALSE;
  }
  if (!$file_md
    ->getMetadata(static::FILE_METADATA_PLUGIN_ID)) {

    // No data, return.
    return FALSE;
  }

  // Sets the local file path to the one retrieved by identify if available.
  if ($source_local_path = $file_md
    ->getMetadata(static::FILE_METADATA_PLUGIN_ID, 'source_local_path')) {
    $this
      ->arguments()
      ->setSourceLocalPath($source_local_path);
  }

  // Process parsed data from the first frame.
  $format = $file_md
    ->getMetadata(static::FILE_METADATA_PLUGIN_ID, 'format');
  if ($this->formatMapper
    ->isFormatEnabled($format)) {
    $this
      ->setWidth((int) $file_md
      ->getMetadata(static::FILE_METADATA_PLUGIN_ID, 'width'))
      ->setHeight((int) $file_md
      ->getMetadata(static::FILE_METADATA_PLUGIN_ID, 'height'))
      ->setExifOrientation($file_md
      ->getMetadata(static::FILE_METADATA_PLUGIN_ID, 'exif_orientation'))
      ->setFrames($file_md
      ->getMetadata(static::FILE_METADATA_PLUGIN_ID, 'frames_count'));
    $this
      ->arguments()
      ->setSourceFormat($format);

    // Only Imagemagick allows to get colorspace and profiles information
    // via 'identify'.
    if ($this
      ->getExecManager()
      ->getPackage() === 'imagemagick') {
      $this
        ->setColorspace($file_md
        ->getMetadata(static::FILE_METADATA_PLUGIN_ID, 'colorspace'));
      $this
        ->setProfiles($file_md
        ->getMetadata(static::FILE_METADATA_PLUGIN_ID, 'profiles'));
    }
    return TRUE;
  }
  return FALSE;
}