basic_watermark.install in Basic Watermark 8

Install, update and uninstall functions for the basic_watermark module.

File

basic_watermark.install

<?php

/**
 * @file
 * Install, update and uninstall functions for the basic_watermark module.
 */

/**
 * Implements hook_requirements().
 */
function basic_watermark_requirements($phase) {
  $requirements = [];
  if ($phase == 'runtime' || $phase == 'install') {

    // Check for the PHP GD library.
    if (function_exists('imagegd2')) {
      $info = gd_info();
      $requirements['basic_watermark_gd'] = [
        'value' => $info['GD Version'],
      ];

      // Check for PNG support.
      if (!function_exists('imagecreatefrompng')) {
        $requirements['basic_watermark_gd']['severity'] = REQUIREMENT_ERROR;
        $requirements['basic_watermark_gd']['description'] = t('The GD library for PHP is enabled, but was compiled without PNG support. Check the <a href="http://php.net/manual/ref.image.php">PHP image documentation</a> for information on how to correct this.');
      }
    }
    else {
      $requirements['basic_watermark_gd'] = [
        'value' => t('Not installed'),
        'severity' => REQUIREMENT_ERROR,
        'description' => t('The GD library for PHP is missing or outdated. Check the <a href="http://php.net/manual/book.image.php">PHP image documentation</a> for information on how to correct this.'),
      ];
    }
    $requirements['basic_watermark_gd']['title'] = t('GD library PNG support');
  }
  return $requirements;
}

/**
 * Updates existing basic watermark configuration to much the new features.
 */
function basic_watermark_update_8001(&$sandbox) {
  $styles = \Drupal::entityTypeManager()
    ->getStorage('image_style')
    ->loadMultiple();
  foreach ($styles as $style) {
    $imageEffectCollection = $style
      ->getEffects();
    $configuration = $imageEffectCollection
      ->getConfiguration();
    foreach ($configuration as &$config) {
      if ($config['id'] == 'add_watermark') {
        $new_data = [
          'watermark_path' => $config['data']['watermark_path'],
          'apply_type' => 'once',
          'position' => 'left-top',
          'margins' => [
            'left' => !empty($config['data']['margin_x']) ? $config['data']['margin_x'] : 0,
            'top' => !empty($config['data']['margin_y']) ? $config['data']['margin_y'] : 0,
            'right' => !empty($config['data']['margin_x']) ? $config['data']['margin_x'] : 0,
            'bottom' => !empty($config['data']['margin_y']) ? $config['data']['margin_y'] : 0,
          ],
        ];
        $config['data'] = $new_data;
      }
    }
    $imageEffectCollection
      ->setConfiguration($configuration);
    $style
      ->save();
  }
}

Functions

Name	Description
basic_watermark_requirements	Implements hook_requirements().
basic_watermark_update_8001	Updates existing basic watermark configuration to much the new features.