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Invokes the given method using the currently selected toolkit.

Übergabeparameter

$method A string containing the method to invoke.

$image An image object returned by image_load().

$params An optional array of parameters to pass to the toolkit method.

Rückgabewert

Mixed values (typically Boolean indicating successful operation).

Verwandte Themen

Image toolkits

Drupal's image toolkits provide an abstraction layer for common image file manipulations like scaling, cropping, and rotating. The abstraction frees module authors from the need to support multiple image libraries, and it allows site…

Code

includes/image.inc, line 91

<?php
function image_toolkit_invoke($method, stdClass $image, array $params = array()) {
  $function = 'image_' . $image->toolkit . '_' . $method;
  if (drupal_function_exists($function)) {
    array_unshift($params, $image);
    return call_user_func_array($function, $params);
  }
  watchdog('image', 'The selected image handling toolkit %toolkit can not correctly process %function.', array('%toolkit' => $image->toolkit, '%function' => $function), WATCHDOG_ERROR);
  return FALSE;
}
?>