<?php

/**

 * @file

 * Helper module for the image tests.

 */

/**

 * Implements hook_image_toolkits().

 */

function image_test_image_toolkits() {

  return array(

    'test' => array(

      'title' => t('A dummy toolkit that works'),

      'available' => TRUE,

    ),

    'broken' => array(

      'title' => t('A dummy toolkit that is "broken"'),

      'available' => FALSE,

    ),

  );

}

/**

 * Reset/initialize the history of calls to the toolkit functions.

 *

 * @see image_test_get_all_calls()

 */

function image_test_reset() {

  // Keep track of calls to these operations

  $results = array(

    'load' => array(),

    'save' => array(),

    'settings' => array(),

    'resize' => array(),

    'rotate' => array(),

    'crop' => array(),

    'desaturate' => array(),

  );

  variable_set('image_test_results', $results);

}

/**

 * Get an array with the all the calls to the toolkits since image_test_reset()

 * was called.

 *

 * @return

 *   An array keyed by operation name ('load', 'save', 'settings', 'resize',

 *   'rotate', 'crop', 'desaturate') with values being arrays of parameters

 *   passed to each call.

 */

function image_test_get_all_calls() {

  return variable_get('image_test_results', array());

}

/**

 * Store the values passed to a toolkit call.

 *

 * @param $op

 *   One of the image toolkit operations: 'get_info', 'load', 'save',

 *   'settings', 'resize', 'rotate', 'crop', 'desaturate'.

 * @param $args

 *   Values passed to hook.

 *

 * @see image_test_get_all_calls()

 * @see image_test_reset()

 */

function _image_test_log_call($op, $args) {

  $results = variable_get('image_test_results', array());

  $results[$op][] = $args;

  variable_set('image_test_results', $results);

}

/**

 * Image tookit's settings operation.

 */

function image_test_settings() {

  _image_test_log_call('settings', array());

  return array();

}

/**

 * Image toolkit's get_info operation.

 */

function image_test_get_info(stdClass $image) {

  _image_test_log_call('get_info', array($image));

  return array();

}

/**

 * Image tookit's load operation.

 */

function image_test_load(stdClass $image) {

  _image_test_log_call('load', array($image));

  return $image;

}

/**

 * Image tookit's save operation.

 */

function image_test_save(stdClass $image, $destination) {

  _image_test_log_call('save', array($image, $destination));

  // Return false so that image_save() doesn't try to chmod the destination

  // file that we didn't bother to create.

  return FALSE;

}

/**

 * Image tookit's crop operation.

 */

function image_test_crop(stdClass $image, $x, $y, $width, $height) {

  _image_test_log_call('crop', array($image, $x, $y, $width, $height));

  return TRUE;

}

/**

 * Image tookit's resize operation.

 */

function image_test_resize(stdClass $image, $width, $height) {

  _image_test_log_call('resize', array($image, $width, $height));

  return TRUE;

}

/**

 * Image tookit's rotate operation.

 */

function image_test_rotate(stdClass $image, $degrees, $background = NULL) {

  _image_test_log_call('rotate', array($image, $degrees, $background));

  return TRUE;

}

/**

 * Image tookit's desaturate operation.

 */

function image_test_desaturate(stdClass $image) {

  _image_test_log_call('desaturate', array($image));

  return TRUE;

}