jpegtran.inc in Image Optimize (or ImageAPI Optimize) 7

JPEGTran integration.

File

binaries/jpegtran.inc

<?php

/**
 * @file
 * JPEGTran integration.
 */

/**
 * Implements imageapi_optimize_TYPE_NAME_info().
 */
function imageapi_optimize_binaries_jpegtran_info() {
  return array(
    'title' => t('JPEGTran'),
    'url' => 'http://ijg.org/',
    'type' => 'jpeg',
    'settings' => array(
      'progressive' => FALSE,
    ),
    'weight' => 0,
  );
}

/**
 * JPEGTran ImageAPI Optimize form callback.
 */
function imageapi_optimize_binaries_jpegtran_form($settings) {
  $form = array();
  $form['progressive'] = array(
    '#title' => t('Progressive'),
    '#type' => 'checkbox',
    '#default_value' => $settings['progressive'],
  );
  return $form;
}

/**
 * JPEGTran ImageAPI Optimize binary callback.
 */
function imageapi_optimize_binaries_jpegtran($image, $dst, $cmd, $settings) {
  if ($image->info['mime_type'] == 'image/jpeg') {
    $args = '';
    if ($settings['progressive']) {
      $args .= '-progressive ';
    }
    if (substr(PHP_OS, 0, 3) == 'WIN') {
      passthru("{$cmd} -copy none -optimize " . $args . escapeshellarg($dst) . " " . escapeshellarg($dst), $dst);
    }
    else {
      _imageapi_optimize_exec("{$cmd} -copy none -optimize " . $args . escapeshellarg($dst), $dst);
    }
  }
}

Functions

Name	Description
imageapi_optimize_binaries_jpegtran	JPEGTran ImageAPI Optimize binary callback.
imageapi_optimize_binaries_jpegtran_form	JPEGTran ImageAPI Optimize form callback.
imageapi_optimize_binaries_jpegtran_info	Implements imageapi_optimize_TYPE_NAME_info().