function _imagemagick_convert in ImageMagick 7

Calls the convert executable with the specified filter.

1 call to _imagemagick_convert()

image_imagemagick_save in ./imagemagick.module

Writes an image resource to a destination file.

File

./imagemagick.module, line 369

Provides ImageMagick integration.

Code

function _imagemagick_convert($source, $destination, $args) {

  // Backup original paths for alter hook context.
  $source_original = $source;
  $destination_original = $destination;
  $source = drupal_realpath($source);
  $destination = drupal_realpath($destination);
  $destination_format = '';
  $args['quality'] = '-quality ' . escapeshellarg(variable_get('imagemagick_quality', 75));

  // Allow other modules to alter the ImageMagick command line parameters.
  $context = array(
    'source' => &$source,
    'source_original' => $source_original,
    'destination' => &$destination,
    'destination_original' => $destination_original,
    'destination_format' => &$destination_format,
  );
  drupal_alter('imagemagick_arguments', $args, $context);

  // If the format of the derivative image was changed, concatenate the new
  // image format and the destination path, delimited by a colon.
  // @see http://www.imagemagick.org/script/command-line-processing.php#output
  // @see hook_imagemagick_arguments_alter()
  if ($destination_format !== '') {
    $destination_format .= ':' . $destination;
  }
  else {
    $destination_format = $destination;
  }

  // GraphicsMagick arguments:
  // gm convert [options] input output
  // @see http://www.graphicsmagick.org/GraphicsMagick.html
  if (variable_get('imagemagick_gm', 0)) {
    array_unshift($args, 'convert');
    $args[] = escapeshellarg($source);
    $args[] = escapeshellarg($destination_format);
  }
  else {
    array_unshift($args, escapeshellarg($source));
    $args[] = escapeshellarg($destination_format);
  }
  $command_args = implode(' ', $args);
  if (_imagemagick_convert_exec($command_args, $output, $error) !== TRUE) {
    return FALSE;
  }
  return file_exists($destination);
}