tinypng.module in TinyPNG 7

Provides TinyPNG integration.

File

tinypng.module

<?php

/**
 * @file
 * Provides TinyPNG integration.
 */
define('TINIFY_PHP_DIRNAME', 'tinify-php');
include 'include/image.inc';
if (module_exists('imagecache_actions')) {
  include 'include/imagecache_actions.inc';
}
if (module_exists('smartcrop')) {
  include 'include/smartcrop.inc';
}
if (module_exists('textimage')) {
  include 'include/textimage.inc';
}
if (module_exists('filtersie')) {
  include 'include/filtersie.inc';
}

/**
 * Implements hook_help().
 */
function tinypng_help($path, $arg) {
  switch ($path) {
    case 'admin/help#tinypng':
      $output = file_get_contents(drupal_get_path('module', 'tinypng') . '/README.txt');
      return module_exists('markdown') ? filter_xss_admin(module_invoke('markdown', 'filter', 'process', 0, -1, $output)) : '<pre>' . check_plain($output) . '</pre>';
  }
}

/**
 * @ingroup image
 * @{
 */

/**
 * Load TinyPNG library.
 */
function tinypng_load_library() {
  $dir = libraries_get_path(TINIFY_PHP_DIRNAME);
  if (!$dir) {
    drupal_set_message(t('You have to download Tinify PHP library from !link', array(
      '!link' => l('https://github.com/tinify/tinify-php/', 'https://github.com/tinify/tinify-php/'),
    )));
  }
  $api_key = variable_get('tinypng_api_key');
  if (!$dir || !$api_key) {
    return FALSE;
  }
  $files = array(
    'lib/Tinify.php',
    'lib/Tinify/Client.php',
    'lib/Tinify/Exception.php',
    'lib/Tinify/ResultMeta.php',
    'lib/Tinify/Result.php',
    'lib/Tinify/Source.php',
  );
  foreach ($files as $file) {
    $path = $dir . '/' . $file;
    if (is_readable($path)) {
      require_once $path;
    }
  }
  Tinify\setKey($api_key);
  Tinify\setAppIdentifier('Drupal/' . VERSION);
  return TRUE;
}

/**
 * Implements hook_image_toolkits().
 */
function tinypng_image_toolkits() {
  return array(
    'tinypng' => array(
      'title' => t('TinyPNG'),
      'available' => TRUE,
    ),
  );
}

/**
 * Retrieve settings for the TinyPNG toolkit.
 */
function image_tinypng_settings() {
  $form['tinypng'] = array(
    '#type' => 'fieldset',
    '#title' => t('TinyPNG'),
    '#collapsible' => FALSE,
    '#description' => t('TinyPNG uses smart lossy compression techniques to reduce the file size of your PNG files. By selectively decreasing the number of colors in the image, fewer bytes are required to store the data. The effect is nearly invisible but it makes a very large difference in file size!'),
  );
  $form['tinypng']['tinypng_api_key'] = array(
    '#type' => 'textfield',
    '#title' => t('TinyPNG API key'),
    '#default_value' => variable_get('tinypng_api_key'),
    '#description' => t('Get your API key at !link.', array(
      '!link' => l('https://tinypng.com/developers', 'https://tinypng.com/developers'),
    )),
  );
  $toolkits_available = image_get_available_toolkits();
  $fallback = variable_get('tinypng_fallback_toolkit', 'gd');
  unset($toolkits_available['tinypng']);
  $form['tinypng']['tinypng_fallback_toolkit'] = array(
    '#type' => 'select',
    '#title' => t('Fallback image toolkit'),
    '#default_value' => $fallback,
    '#options' => $toolkits_available,
  );

  // Get the toolkit's settings form.
  $function = 'image_' . $fallback . '_settings';
  if (function_exists($function)) {
    $form['tinypng']['fallback_toolkit_settings'] = $function();
  }
  return $form;
}

/**
 * Wrapper for image toolkit functions.
 */
function _tinypng_fallback($method) {
  $fallback = variable_get('tinypng_fallback_toolkit', 'gd');
  $args = func_get_args();
  $method = array_shift($args);
  $function = 'image_' . $fallback . '_' . $method;
  if (is_callable($function)) {
    return call_user_func_array($function, $args);
  }
  return FALSE;
}

/**
 * GD helper to write an image resource to a destination file.
 *
 * @param $image
 *   An image object.
 * @param $destination
 *   A string file URI or path where the image should be saved.
 * @return
 *   TRUE or FALSE, based on success.
 *
 * @see image_save()
 */
function image_tinypng_save(stdClass $image, $destination) {
  $res = _tinypng_fallback('save', $image, $destination);
  $supported_types = array(
    'image/png',
    'image/jpg',
    'image/jpeg',
  );
  if (!in_array($image->info['mime_type'], $supported_types)) {
    return $res;
  }
  try {
    if (tinypng_load_library()) {
      $dest = drupal_realpath($destination);
      $res = Tinify\fromFile($dest)
        ->toFile($dest);
    }
  } catch (Exception $e) {
    watchdog('tinypng', $e
      ->getMessage(), array(), WATCHDOG_ERROR);
  }
  return $res;
}

/**
 * @} End of "addtogroup image".
 */

Functions

Name	Description
image_tinypng_save	GD helper to write an image resource to a destination file.
image_tinypng_settings	Retrieve settings for the TinyPNG toolkit.
tinypng_help	Implements hook_help().
tinypng_image_toolkits	Implements hook_image_toolkits().
tinypng_load_library	Load TinyPNG library.
_tinypng_fallback	Wrapper for image toolkit functions.

Constants

Name	Description
TINIFY_PHP_DIRNAME	@file Provides TinyPNG integration.