function generate_image_size($image, $size, $params = null, $skip_defaults = false)
{
ewwwio_debug_message('<b>' . __FUNCTION__ . '()</b>');
global $ewww_defer;
if (!defined('EWWW_IMAGE_OPTIMIZER_CLOUD')) {
ewww_image_optimizer_init();
}
$success = $this->call_parent('generate_image_size', $image, $size, $params, $skip_defaults);
if ($success) {
$filename = $success->fileName;
if ($ewww_defer && ewww_image_optimizer_get_option('ewww_image_optimizer_defer')) {
ewww_image_optimizer_add_deferred_attachment("file,{$filename}");
return $saved;
}
ewww_image_optimizer($filename);
ewwwio_debug_message("nextgen dynamic thumb saved: {$filename}");
$image_size = ewww_image_optimizer_filesize($filename);
ewwwio_debug_message("optimized size: {$image_size}");
}
ewww_image_optimizer_debug_log();
ewwwio_memory(__FUNCTION__);
return $success;
}
function ewww_manage_image_custom_column($column_name, $id)
{
// once we've found our custom column
if ($column_name == 'ewww_image_optimizer') {
// get the metadata for the image
$meta = new nggMeta($id);
// get the optimization status for the image
$status = $meta->get_META('ewww_image_optimizer');
$msg = '';
// get the file path of the image
$file_path = $meta->image->imagePath;
// get the mimetype of the image
$type = ewww_image_optimizer_mimetype($file_path, 'i');
// retrieve the human-readable filesize of the image
$file_size = size_format(ewww_image_optimizer_filesize($file_path), 2);
$file_size = str_replace('B ', 'B', $file_size);
//$file_size = ewww_image_optimizer_format_bytes(filesize($file_path));
$valid = true;
// check to see if we have a tool to handle the mimetype detected
switch ($type) {
case 'image/jpeg':
// if jpegtran is missing, tell the user
if (!EWWW_IMAGE_OPTIMIZER_JPEGTRAN && !ewww_image_optimizer_get_option('ewww_image_optimizer_cloud_jpg')) {
$valid = false;
$msg = '<br>' . sprintf(__('%s is missing', EWWW_IMAGE_OPTIMIZER_DOMAIN), '<em>jpegtran</em>');
}
break;
case 'image/png':
// if the PNG tools are missing, tell the user
if (!EWWW_IMAGE_OPTIMIZER_PNGOUT && !EWWW_IMAGE_OPTIMIZER_OPTIPNG && !ewww_image_optimizer_get_option('ewww_image_optimizer_cloud_png')) {
$valid = false;
$msg = '<br>' . sprintf(__('%s is missing', EWWW_IMAGE_OPTIMIZER_DOMAIN), '<em>optipng/pngout</em>');
}
break;
case 'image/gif':
// if gifsicle is missing, tell the user
if (!EWWW_IMAGE_OPTIMIZER_GIFSICLE && !ewww_image_optimizer_get_option('ewww_image_optimizer_cloud_gif')) {
$valid = false;
$msg = '<br>' . sprintf(__('%s is missing', EWWW_IMAGE_OPTIMIZER_DOMAIN), '<em>gifsicle</em>');
}
break;
default:
$valid = false;
}
// file isn't in a format we can work with, we don't work with strangers
if ($valid == false) {
print __('Unsupported file type', EWWW_IMAGE_OPTIMIZER_DOMAIN) . $msg;
return;
}
// if we have a valid status, display it, the image size, and give a re-optimize link
if ($status && !empty($status)) {
echo $status;
echo "<br>" . sprintf(__('Image Size: %s', EWWW_IMAGE_OPTIMIZER_DOMAIN), $file_size);
printf("<br><a href=\"admin.php?action=ewww_ngg_manual&ewww_force=1&ewww_attachment_ID=%d\">%s</a>", $id, __('Re-optimize', EWWW_IMAGE_OPTIMIZER_DOMAIN));
// otherwise, give the image size, and a link to optimize right now
} else {
_e('Not processed', EWWW_IMAGE_OPTIMIZER_DOMAIN);
echo "<br>" . sprintf(__('Image Size: %s', EWWW_IMAGE_OPTIMIZER_DOMAIN), $file_size);
printf("<br><a href=\"admin.php?action=ewww_ngg_manual&ewww_attachment_ID=%d\">%s</a>", $id, __('Optimize now!', EWWW_IMAGE_OPTIMIZER_DOMAIN));
}
}
}
function ewww_manage_image_custom_column($column_name, $id)
{
// check to make sure we're outputing our custom column
if ($column_name == 'ewww_image_optimizer') {
// get the metadata
$meta = new flagMeta($id);
if (ewww_image_optimizer_get_option('ewww_image_optimizer_debug')) {
$print_meta = print_r($meta->image->meta_data, TRUE);
$print_meta = preg_replace(array('/ /', '/\\n+/'), array(' ', '<br />'), esc_html($print_meta));
echo '<div style="background-color:#ffff99;font-size: 10px;padding: 10px;margin:-10px -10px 10px;line-height: 1.1em">' . $print_meta . '</div>';
}
// grab the image status from the meta
if (empty($meta->image->meta_data['ewww_image_optimizer'])) {
$status = '';
} else {
$status = $meta->image->meta_data['ewww_image_optimizer'];
}
$msg = '';
// get the image path from the meta
$file_path = $meta->image->imagePath;
// get the mimetype
$type = ewww_image_optimizer_mimetype($file_path, 'i');
// get the file size
$file_size = size_format(ewww_image_optimizer_filesize($file_path), 2);
$file_size = str_replace('B ', 'B', $file_size);
$valid = true;
// if we don't have a valid tool for the image type, output the appropriate message
$skip = ewww_image_optimizer_skip_tools();
switch ($type) {
case 'image/jpeg':
if (!EWWW_IMAGE_OPTIMIZER_JPEGTRAN && !$skip['jpegtran']) {
$valid = false;
$msg = '<br>' . wp_kses(sprintf(__('%s is missing', EWWW_IMAGE_OPTIMIZER_DOMAIN), '<em>jpegtran</em>'), array('em' => array()));
}
break;
case 'image/png':
if (!EWWW_IMAGE_OPTIMIZER_PNGOUT && !EWWW_IMAGE_OPTIMIZER_OPTIPNG && !$skip['optipng'] && !$skip['pngout']) {
$valid = false;
$msg = '<br>' . wp_kses(sprintf(__('%s is missing', EWWW_IMAGE_OPTIMIZER_DOMAIN), '<em>optipng/pngout</em>'), array('em' => array()));
}
break;
case 'image/gif':
if (!EWWW_IMAGE_OPTIMIZER_GIFSICLE && !$skip['gifsicle']) {
$valid = false;
$msg = '<br>' . wp_kses(sprintf(__('%s is missing', EWWW_IMAGE_OPTIMIZER_DOMAIN), '<em>gifsicle</em>'), array('em' => array()));
}
break;
default:
$valid = false;
}
// let user know if the file type is unsupported
if ($valid == false) {
esc_html_e('Unsupported file type', EWWW_IMAGE_OPTIMIZER_DOMAIN);
return;
}
$ewww_manual_nonce = wp_create_nonce("ewww-manual-" . $id);
// output the image status if we know it
if (!empty($status)) {
echo esc_html($status);
echo "<br>" . sprintf(esc_html__('Image Size: %s', EWWW_IMAGE_OPTIMIZER_DOMAIN), $file_size);
if (current_user_can(apply_filters('ewww_image_optimizer_manual_permissions', ''))) {
printf("<br><a href=\"admin.php?action=ewww_flag_manual&ewww_manual_nonce={$ewww_manual_nonce}&ewww_force=1&ewww_attachment_ID=%d\">%s</a>", $id, esc_html__('Re-optimize', EWWW_IMAGE_OPTIMIZER_DOMAIN));
}
} elseif (get_transient('ewwwio-background-in-progress-flag-' . $id)) {
esc_html_e('In Progress', EWWW_IMAGE_OPTIMIZER_DOMAIN);
// otherwise, tell the user that they can optimize the image now
} else {
esc_html_e('Not processed', EWWW_IMAGE_OPTIMIZER_DOMAIN);
echo "<br>" . sprintf(esc_html__('Image Size: %s', EWWW_IMAGE_OPTIMIZER_DOMAIN), $file_size);
if (current_user_can(apply_filters('ewww_image_optimizer_manual_permissions', ''))) {
printf("<br><a href=\"admin.php?action=ewww_flag_manual&ewww_manual_nonce={$ewww_manual_nonce}&ewww_attachment_ID=%d\">%s</a>", $id, esc_html__('Optimize now!', EWWW_IMAGE_OPTIMIZER_DOMAIN));
}
}
}
}
function ewww_image_optimizer_scan_other()
{
global $wpdb;
// initialize the $attachments variable for auxiliary images
$attachments = null;
// check if there is a previous bulk operation to resume
if (get_option('ewww_image_optimizer_aux_resume')) {
// retrieve the attachment IDs that have not been finished from the 'bulk attachments' option
$attachments = get_option('ewww_image_optimizer_aux_attachments');
} else {
// collect a list of images from the current theme
$child_path = get_stylesheet_directory();
$parent_path = get_template_directory();
$attachments = ewww_image_optimizer_image_scan($child_path);
if ($child_path !== $parent_path) {
$attachments = array_merge($attachments, ewww_image_optimizer_image_scan($parent_path));
}
// collect a list of images for buddypress
if (!function_exists('is_plugin_active')) {
// need to include the plugin library for the is_plugin_active function
require_once ABSPATH . 'wp-admin/includes/plugin.php';
}
if (is_plugin_active('buddypress/bp-loader.php') || is_plugin_active_for_network('buddypress/bp-loader.php')) {
// get the value of the wordpress upload directory
$upload_dir = wp_upload_dir();
// scan the 'avatars' and 'group-avatars' folders for images
$attachments = array_merge($attachments, ewww_image_optimizer_image_scan($upload_dir['basedir'] . '/avatars'), ewww_image_optimizer_image_scan($upload_dir['basedir'] . '/group-avatars'));
}
if (is_plugin_active('buddypress-activity-plus/bpfb.php') || is_plugin_active_for_network('buddypress-activity-plus/bpfb.php')) {
// get the value of the wordpress upload directory
$upload_dir = wp_upload_dir();
// scan the 'avatars' and 'group-avatars' folders for images
$attachments = array_merge($attachments, ewww_image_optimizer_image_scan($upload_dir['basedir'] . '/bpfb'));
}
if (is_plugin_active('grand-media/grand-media.php') || is_plugin_active_for_network('grand-media/grand-media.php')) {
// scan the grand media folder for images
$attachments = array_merge($attachments, ewww_image_optimizer_image_scan(WP_CONTENT_DIR . '/grand-media'));
}
if (is_plugin_active('wp-symposium/wp-symposium.php') || is_plugin_active_for_network('wp-symposium/wp-symposium.php')) {
$attachments = array_merge($attachments, ewww_image_optimizer_image_scan(get_option('symposium_img_path')));
}
if (is_plugin_active('ml-slider/ml-slider.php') || is_plugin_active_for_network('ml-slider/ml-slider.php')) {
$slide_paths = array();
$sliders = $wpdb->get_col("SELECT ID FROM {$wpdb->posts} WHERE post_type = 'ml-slider'");
$slides = $wpdb->get_col("\n\t\t\t\tSELECT wpposts.ID \n\t\t\t\tFROM {$wpdb->posts} wpposts \n\t\t\t\tINNER JOIN {$wpdb->term_relationships} term_relationships\n\t\t\t\t\t\tON wpposts.ID = term_relationships.object_id\n\t\t\t\tINNER JOIN {$wpdb->terms} wpterms \n\t\t\t\t\t\tON term_relationships.term_taxonomy_id = wpterms.term_id\n\t\t\t\tINNER JOIN {$wpdb->term_taxonomy} term_taxonomy\n\t\t\t\t\t\tON wpterms.term_id = term_taxonomy.term_id\n\t\t\t\tWHERE \tterm_taxonomy.taxonomy = 'ml-slider'\n\t\t\t\t\tAND wpposts.post_type = 'attachment'\n\t\t\t\t");
foreach ($slides as $slide) {
$type = get_post_meta($slide, 'ml-slider_type', true);
$type = $type ? $type : 'image';
// backwards compatibility, fall back to 'image'
if ($type != 'image') {
continue;
}
$backup_sizes = get_post_meta($slide, '_wp_attachment_backup_sizes', true);
if (ewww_image_optimizer_iterable($backup_sizes)) {
foreach ($backup_sizes as $backup_size => $meta) {
if (preg_match('/resized-/', $backup_size)) {
$path = $meta['path'];
$image_size = ewww_image_optimizer_filesize($path);
if (!$image_size) {
continue;
}
$already_optimized = ewww_image_optimizer_find_already_optimized($path);
$mimetype = ewww_image_optimizer_mimetype($path, 'i');
if (preg_match('/^image\\/(jpeg|png|gif)/', $mimetype) && empty($already_optimized)) {
$slide_paths[] = $path;
}
}
}
}
}
$attachments = array_merge($attachments, $slide_paths);
}
// collect a list of images in auxiliary folders provided by user
if ($aux_paths = ewww_image_optimizer_get_option('ewww_image_optimizer_aux_paths')) {
if (ewww_image_optimizer_iterable($aux_paths)) {
foreach ($aux_paths as $aux_path) {
$attachments = array_merge($attachments, ewww_image_optimizer_image_scan($aux_path));
}
}
}
// store the filenames we retrieved in the 'bulk_attachments' option so we can keep track of our progress in the database
update_option('ewww_image_optimizer_aux_attachments', $attachments, false);
}
return $attachments;
}
function ewww_image_optimizer_webp_create($file, $orig_size, $type, $tool, $recreate = false)
{
ewwwio_debug_message('<b>' . __FUNCTION__ . '()</b>');
// change the file extension
$webpfile = $file . '.webp';
if (!ewww_image_optimizer_get_option('ewww_image_optimizer_webp')) {
return;
} elseif (is_file($webpfile) && empty($_REQUEST['ewww_force']) && !$recreate) {
ewwwio_debug_message('webp file exists, not forcing or recreating');
return;
}
if (empty($tool)) {
ewww_image_optimizer_cloud_optimizer($file, $type, false, $webpfile, 'image/webp');
} else {
// check to see if 'nice' exists
$nice = ewww_image_optimizer_find_nix_binary('nice', 'n');
switch ($type) {
case 'image/jpeg':
exec("{$nice} " . $tool . " -q 85 -quiet " . ewww_image_optimizer_escapeshellarg($file) . " -o " . ewww_image_optimizer_escapeshellarg($webpfile) . ' 2>&1', $cli_output);
break;
case 'image/png':
exec("{$nice} " . $tool . " -lossless -quiet " . ewww_image_optimizer_escapeshellarg($file) . " -o " . ewww_image_optimizer_escapeshellarg($webpfile) . ' 2>&1', $cli_output);
break;
}
}
$webp_size = ewww_image_optimizer_filesize($webpfile);
ewwwio_debug_message("webp is {$webp_size} vs. {$type} is {$orig_size}");
if (is_file($webpfile) && $orig_size < $webp_size) {
ewwwio_debug_message('webp file was too big, deleting');
unlink($webpfile);
} elseif (is_file($webpfile)) {
// Set correct file permissions
$stat = stat(dirname($webpfile));
$perms = $stat['mode'] & 0666;
//same permissions as parent folder, strip off the executable bits
@chmod($webpfile, $perms);
}
ewwwio_memory(__FUNCTION__);
}
/**
* Print column data for optimizer results in the media library using
* the `manage_media_custom_column` hook.
*/
function ewww_image_optimizer_custom_column($column_name, $id)
{
ewwwio_debug_message('<b>' . __FUNCTION__ . '()</b>');
// once we get to the EWWW IO custom column
if ($column_name == 'ewww-image-optimizer') {
// retrieve the metadata
$meta = wp_get_attachment_metadata($id);
if (ewww_image_optimizer_get_option('ewww_image_optimizer_debug')) {
$print_meta = print_r($meta, TRUE);
$print_meta = preg_replace(array('/ /', '/\\n+/'), array(' ', '<br />'), $print_meta);
echo '<div style="background-color:#ffff99;font-size: 10px;padding: 10px;margin:-10px -10px 10px;line-height: 1.1em">' . $print_meta . '</div>';
}
$ewww_cdn = false;
if (!empty($meta['cloudinary'])) {
esc_html_e('Cloudinary image', EWWW_IMAGE_OPTIMIZER_DOMAIN);
return;
}
if (class_exists('WindowsAzureStorageUtil') && !empty($meta['url'])) {
esc_html_e('Azure Storage image', EWWW_IMAGE_OPTIMIZER_DOMAIN);
$ewww_cdn = true;
}
if (class_exists('Amazon_S3_And_CloudFront') && preg_match('/^(http|s3)\\w*:/', get_attached_file($id))) {
esc_html_e('Amazon S3 image', EWWW_IMAGE_OPTIMIZER_DOMAIN);
$ewww_cdn = true;
}
list($file_path, $upload_path) = ewww_image_optimizer_attachment_path($meta, $id);
// if the file does not exist
if (empty($file_path) && !$ewww_cdn) {
esc_html_e('Could not retrieve file path.', EWWW_IMAGE_OPTIMIZER_DOMAIN);
return;
}
$msg = '';
$convert_desc = '';
$convert_link = '';
if ($ewww_cdn) {
$type = get_post_mime_type($id);
} else {
// retrieve the mimetype of the attachment
$type = ewww_image_optimizer_mimetype($file_path, 'i');
// get a human readable filesize
$file_size = size_format(filesize($file_path), 2);
$file_size = preg_replace('/\\.00 B /', ' B', $file_size);
}
// run the appropriate code based on the mimetype
switch ($type) {
case 'image/jpeg':
// if jpegtran is missing, tell them that
if (!EWWW_IMAGE_OPTIMIZER_JPEGTRAN && !ewww_image_optimizer_get_option('ewww_image_optimizer_cloud_jpg')) {
$valid = false;
$msg = '<br>' . wp_kses(sprintf(__('%s is missing', EWWW_IMAGE_OPTIMIZER_DOMAIN), '<em>jpegtran</em>'), array('em' => array()));
} else {
$convert_link = esc_html__('JPG to PNG', EWWW_IMAGE_OPTIMIZER_DOMAIN);
$class_type = 'jpg';
$convert_desc = esc_attr__('WARNING: Removes metadata. Requires GD or ImageMagick. PNG is generally much better than JPG for logos and other images with a limited range of colors.', EWWW_IMAGE_OPTIMIZER_DOMAIN);
}
break;
case 'image/png':
// if pngout and optipng are missing, tell the user
if (!EWWW_IMAGE_OPTIMIZER_PNGOUT && !EWWW_IMAGE_OPTIMIZER_OPTIPNG && !ewww_image_optimizer_get_option('ewww_image_optimizer_cloud_png')) {
$valid = false;
$msg = '<br>' . wp_kses(sprintf(__('%s is missing', EWWW_IMAGE_OPTIMIZER_DOMAIN), '<em>optipng/pngout</em>'), array('em' => array()));
} else {
$convert_link = esc_html__('PNG to JPG', EWWW_IMAGE_OPTIMIZER_DOMAIN);
$class_type = 'png';
$convert_desc = esc_attr__('WARNING: This is not a lossless conversion and requires GD or ImageMagick. JPG is much better than PNG for photographic use because it compresses the image and discards data. Transparent images will only be converted if a background color has been set.', EWWW_IMAGE_OPTIMIZER_DOMAIN);
}
break;
case 'image/gif':
// if gifsicle is missing, tell the user
if (!EWWW_IMAGE_OPTIMIZER_GIFSICLE && !ewww_image_optimizer_get_option('ewww_image_optimizer_cloud_gif')) {
$valid = false;
$msg = '<br>' . wp_kses(sprintf(__('%s is missing', EWWW_IMAGE_OPTIMIZER_DOMAIN), '<em>gifsicle</em>'), array('em' => array()));
} else {
$convert_link = esc_html__('GIF to PNG', EWWW_IMAGE_OPTIMIZER_DOMAIN);
$class_type = 'gif';
$convert_desc = esc_attr__('PNG is generally better than GIF, but does not support animation. Animated images will not be converted.', EWWW_IMAGE_OPTIMIZER_DOMAIN);
}
break;
default:
// not a supported mimetype
esc_html_e('Unsupported file type', EWWW_IMAGE_OPTIMIZER_DOMAIN);
return;
}
$ewww_manual_nonce = wp_create_nonce("ewww-manual-{$id}");
if ($ewww_cdn) {
// if the optimizer metadata exists
if (!empty($meta['ewww_image_optimizer'])) {
// output the optimizer results
echo "<br>" . esc_html($meta['ewww_image_optimizer']);
if (current_user_can(apply_filters('ewww_image_optimizer_manual_permissions', ''))) {
// output a link to re-optimize manually
printf("<br><a href=\"admin.php?action=ewww_image_optimizer_manual_optimize&ewww_manual_nonce={$ewww_manual_nonce}&ewww_force=1&ewww_attachment_ID=%d\">%s</a>", $id, esc_html__('Re-optimize', EWWW_IMAGE_OPTIMIZER_DOMAIN));
}
} elseif (current_user_can(apply_filters('ewww_image_optimizer_manual_permissions', ''))) {
// and give the user the option to optimize the image right now
printf("<br><a href=\"admin.php?action=ewww_image_optimizer_manual_optimize&ewww_manual_nonce={$ewww_manual_nonce}&ewww_attachment_ID=%d\">%s</a>", $id, esc_html__('Optimize now!', EWWW_IMAGE_OPTIMIZER_DOMAIN));
}
return;
}
// if the optimizer metadata exists
if (!empty($meta['ewww_image_optimizer'])) {
// output the optimizer results
echo esc_html($meta['ewww_image_optimizer']);
// output the filesize
echo "<br>" . sprintf(esc_html__('Image Size: %s', EWWW_IMAGE_OPTIMIZER_DOMAIN), $file_size);
if (empty($msg) && current_user_can(apply_filters('ewww_image_optimizer_manual_permissions', ''))) {
// output a link to re-optimize manually
printf("<br><a href=\"admin.php?action=ewww_image_optimizer_manual_optimize&ewww_manual_nonce={$ewww_manual_nonce}&ewww_force=1&ewww_attachment_ID=%d\">%s</a>", $id, esc_html__('Re-optimize', EWWW_IMAGE_OPTIMIZER_DOMAIN));
if (!ewww_image_optimizer_get_option('ewww_image_optimizer_disable_convert_links') && 'ims_image' != get_post_type($id)) {
echo " | <a class='ewww-convert' title='{$convert_desc}' href='admin.php?action=ewww_image_optimizer_manual_optimize&ewww_manual_nonce={$ewww_manual_nonce}&ewww_attachment_ID={$id}&ewww_convert=1&ewww_force=1'>{$convert_link}</a>";
}
} else {
echo $msg;
}
$restorable = false;
if (!empty($meta['converted'])) {
if (!empty($meta['orig_file']) && file_exists($meta['orig_file'])) {
$restorable = true;
}
}
if (isset($meta['sizes'])) {
// meta sizes don't contain a path, so we calculate one
$base_dir = trailingslashit(dirname($file_path));
foreach ($meta['sizes'] as $size => $data) {
if (!empty($data['converted'])) {
if (!empty($data['orig_file']) && file_exists($base_dir . $data['orig_file'])) {
$restorable = true;
}
}
}
}
if ($restorable && current_user_can(apply_filters('ewww_image_optimizer_manual_permissions', ''))) {
printf("<br><a href=\"admin.php?action=ewww_image_optimizer_manual_restore&ewww_manual_nonce={$ewww_manual_nonce}&ewww_attachment_ID=%d\">%s</a>", $id, esc_html__('Restore original', EWWW_IMAGE_OPTIMIZER_DOMAIN));
}
// link to webp upgrade script
$oldwebpfile = preg_replace('/\\.\\w+$/', '.webp', $file_path);
if (file_exists($oldwebpfile) && current_user_can(apply_filters('ewww_image_optimizer_admin_permissions', ''))) {
echo "<br><a href='options.php?page=ewww-image-optimizer-webp-migrate'>" . esc_html__('Run WebP upgrade', EWWW_IMAGE_OPTIMIZER_DOMAIN) . "</a>";
}
// determine filepath for webp
$webpfile = $file_path . '.webp';
$webp_size = ewww_image_optimizer_filesize($webpfile);
if ($webp_size) {
$webp_size = size_format($webp_size, 2);
$webpurl = esc_url(wp_get_attachment_url($id) . '.webp');
// get a human readable filesize
$webp_size = preg_replace('/\\.00 B /', ' B', $webp_size);
echo "<br>WebP: <a href='{$webpurl}'>{$webp_size}</a>";
}
} else {
// otherwise, this must be an image we haven't processed
esc_html_e('Not processed', EWWW_IMAGE_OPTIMIZER_DOMAIN);
// tell them the filesize
echo "<br>" . sprintf(esc_html__('Image Size: %s', EWWW_IMAGE_OPTIMIZER_DOMAIN), $file_size);
if (empty($msg) && current_user_can(apply_filters('ewww_image_optimizer_manual_permissions', ''))) {
// and give the user the option to optimize the image right now
printf("<br><a href=\"admin.php?action=ewww_image_optimizer_manual_optimize&ewww_manual_nonce={$ewww_manual_nonce}&ewww_attachment_ID=%d\">%s</a>", $id, esc_html__('Optimize now!', EWWW_IMAGE_OPTIMIZER_DOMAIN));
if (!ewww_image_optimizer_get_option('ewww_image_optimizer_disable_convert_links') && 'ims_image' != get_post_type($id)) {
echo " | <a class='ewww-convert' title='{$convert_desc}' href='admin.php?action=ewww_image_optimizer_manual_optimize&ewww_manual_nonce={$ewww_manual_nonce}&ewww_attachment_ID={$id}&ewww_convert=1&ewww_force=1'>{$convert_link}</a>";
}
} else {
echo $msg;
}
}
}
ewwwio_memory(__FUNCTION__);
}
function ewww_image_optimizer_aux_images_script($hook)
{
ewwwio_debug_message('<b>' . __FUNCTION__ . '()</b>');
// make sure we are being called from the proper page
if ('ewww-image-optimizer-auto' !== $hook && empty($_REQUEST['ewww_scan'])) {
return;
}
session_write_close();
global $wpdb;
if (!empty($_REQUEST['ewww_force'])) {
ewwwio_debug_message('forcing re-optimize: true');
}
// initialize the $attachments variable for auxiliary images
$attachments = null;
// check the 'bulk resume' option
$resume = get_option('ewww_image_optimizer_aux_resume');
// check if there is a previous bulk operation to resume
if (!empty($resume)) {
ewwwio_debug_message('resuming from where we left off, no scanning needed');
// retrieve the attachment IDs that have not been finished from the 'bulk attachments' option
$attachments = get_option('ewww_image_optimizer_aux_attachments');
} else {
ewwwio_debug_message('getting fresh list of files to optimize');
$attachments = array();
// collect a list of images from the current theme
$child_path = get_stylesheet_directory();
$parent_path = get_template_directory();
$attachments = ewww_image_optimizer_image_scan($child_path);
if ($child_path !== $parent_path) {
$attachments = array_merge($attachments, ewww_image_optimizer_image_scan($parent_path));
}
if (!function_exists('is_plugin_active')) {
// need to include the plugin library for the is_plugin_active function
require_once ABSPATH . 'wp-admin/includes/plugin.php';
}
// collect a list of images for buddypress
if (is_plugin_active('buddypress/bp-loader.php') || is_plugin_active_for_network('buddypress/bp-loader.php')) {
// get the value of the wordpress upload directory
$upload_dir = wp_upload_dir();
// scan the 'avatars' and 'group-avatars' folders for images
$attachments = array_merge($attachments, ewww_image_optimizer_image_scan($upload_dir['basedir'] . '/avatars'), ewww_image_optimizer_image_scan($upload_dir['basedir'] . '/group-avatars'));
}
if (is_plugin_active('buddypress-activity-plus/bpfb.php') || is_plugin_active_for_network('buddypress-activity-plus/bpfb.php')) {
// get the value of the wordpress upload directory
$upload_dir = wp_upload_dir();
// scan the 'avatars' and 'group-avatars' folders for images
$attachments = array_merge($attachments, ewww_image_optimizer_image_scan($upload_dir['basedir'] . '/bpfb'));
}
if (is_plugin_active('grand-media/grand-media.php') || is_plugin_active_for_network('grand-media/grand-media.php')) {
// scan the grand media folder for images
$attachments = array_merge($attachments, ewww_image_optimizer_image_scan(WP_CONTENT_DIR . '/grand-media'));
}
if (is_plugin_active('wp-symposium/wp-symposium.php') || is_plugin_active_for_network('wp-symposium/wp-symposium.php')) {
$attachments = array_merge($attachments, ewww_image_optimizer_image_scan(get_option('symposium_img_path')));
}
if (is_plugin_active('ml-slider/ml-slider.php') || is_plugin_active_for_network('ml-slider/ml-slider.php')) {
$slide_paths = array();
$slides = $wpdb->get_col("\n\t\t\t\tSELECT wpposts.ID \n\t\t\t\tFROM {$wpdb->posts} wpposts \n\t\t\t\tINNER JOIN {$wpdb->term_relationships} term_relationships\n\t\t\t\t\t\tON wpposts.ID = term_relationships.object_id\n\t\t\t\tINNER JOIN {$wpdb->terms} wpterms \n\t\t\t\t\t\tON term_relationships.term_taxonomy_id = wpterms.term_id\n\t\t\t\tINNER JOIN {$wpdb->term_taxonomy} term_taxonomy\n\t\t\t\t\t\tON wpterms.term_id = term_taxonomy.term_id\n\t\t\t\tWHERE \tterm_taxonomy.taxonomy = 'ml-slider'\n\t\t\t\t\tAND wpposts.post_type = 'attachment'\n\t\t\t\t");
foreach ($slides as $slide) {
$backup_sizes = get_post_meta($slide, '_wp_attachment_backup_sizes', true);
$type = get_post_meta($slide, 'ml-slider_type', true);
$type = $type ? $type : 'image';
// backwards compatibility, fall back to 'image'
if ($type === 'image') {
foreach ($backup_sizes as $backup_size => $meta) {
if (preg_match('/resized-/', $backup_size)) {
$path = $meta['path'];
$image_size = ewww_image_optimizer_filesize($path);
if (!$image_size) {
continue;
}
$already_optimized = ewww_image_optimizer_find_already_optimized($path);
$mimetype = ewww_image_optimizer_mimetype($path, 'i');
if (preg_match('/^image\\/(jpeg|png|gif)/', $mimetype) && empty($already_optimized)) {
$slide_paths[] = $path;
}
}
}
}
}
$attachments = array_merge($attachments, $slide_paths);
}
// collect a list of images in auxiliary folders provided by user
if ($aux_paths = ewww_image_optimizer_get_option('ewww_image_optimizer_aux_paths')) {
foreach ($aux_paths as $aux_path) {
$attachments = array_merge($attachments, ewww_image_optimizer_image_scan($aux_path));
}
}
// scan images in two most recent media library folders if the option is enabled, and this is a scheduled optimization
if ('ewww-image-optimizer-auto' == $hook && ewww_image_optimizer_get_option('ewww_image_optimizer_include_media_paths')) {
// retrieve the location of the wordpress upload folder
$upload_dir = wp_upload_dir();
// retrieve the path of the upload folder
$upload_path = $upload_dir['basedir'];
$this_month = date('m');
$this_year = date('Y');
$attachments = array_merge($attachments, ewww_image_optimizer_image_scan("{$upload_path}/{$this_year}/{$this_month}/"));
if (class_exists('DateTime')) {
$date = new DateTime();
$date->sub(new DateInterval('P1M'));
$last_year = $date->format('Y');
$last_month = $date->format('m');
$attachments = array_merge($attachments, ewww_image_optimizer_image_scan("{$upload_path}/{$last_year}/{$last_month}/"));
}
}
// store the filenames we retrieved in the 'bulk_attachments' option so we can keep track of our progress in the database
update_option('ewww_image_optimizer_aux_attachments', $attachments);
ewwwio_debug_message('found ' . count($attachments) . ' images to optimize while scanning');
}
ewww_image_optimizer_debug_log();
if (!empty($_REQUEST['ewww_scan'])) {
echo count($attachments);
ewwwio_memory(__FUNCTION__);
die;
} else {
ewwwio_memory(__FUNCTION__);
return;
}
}
function ewww_manage_image_custom_column( $column_name, $id ) {
// once we've found our custom column
if( $column_name == 'ewww_image_optimizer' ) {
// get the metadata for the image
$meta = new nggMeta( $id );
// get the optimization status for the image
$status = $meta->get_META( 'ewww_image_optimizer' );
$msg = '';
// get the file path of the image
$file_path = $meta->image->imagePath;
// get the mimetype of the image
$type = ewww_image_optimizer_mimetype($file_path, 'i');
// retrieve the human-readable filesize of the image
$file_size = size_format( ewww_image_optimizer_filesize( $file_path ), 2 );
$file_size = str_replace( 'B ', 'B', $file_size );
$valid = true;
// check to see if we have a tool to handle the mimetype detected
$skip = ewww_image_optimizer_skip_tools();
switch ( $type ) {
case 'image/jpeg':
// if jpegtran is missing, tell the user
if( ! EWWW_IMAGE_OPTIMIZER_JPEGTRAN && ! $skip['jpegtran'] ) {
$valid = false;
$msg = '<br>' . wp_kses( sprintf(__('%s is missing', EWWW_IMAGE_OPTIMIZER_DOMAIN), '<em>jpegtran</em>'), array( 'em' => array() ) );
}
break;
case 'image/png':
// if the PNG tools are missing, tell the user
if( ! EWWW_IMAGE_OPTIMIZER_PNGOUT && ! EWWW_IMAGE_OPTIMIZER_OPTIPNG && ! $skip['optipng'] && ! $skip['pngout'] ) {
$valid = false;
$msg = '<br>' . wp_kses( sprintf(__('%s is missing', EWWW_IMAGE_OPTIMIZER_DOMAIN), '<em>optipng/pngout</em>'), array( 'em' => array() ) );
}
break;
case 'image/gif':
// if gifsicle is missing, tell the user
if( ! EWWW_IMAGE_OPTIMIZER_GIFSICLE && ! $skip['gifsicle'] ) {
$valid = false;
$msg = '<br>' . wp_kses( sprintf(__('%s is missing', EWWW_IMAGE_OPTIMIZER_DOMAIN), '<em>gifsicle</em>'), array( 'em' => array() ) );
}
break;
default:
$valid = false;
}
// file isn't in a format we can work with, we don't work with strangers
if ( $valid == false ) {
echo esc_html__( 'Unsupported file type', EWWW_IMAGE_OPTIMIZER_DOMAIN ) . $msg;
return;
}
$ewww_manual_nonce = wp_create_nonce( "ewww-manual-" . $id );
// if we have a valid status, display it, the image size, and give a re-optimize link
if ( ! empty ( $status ) ) {
echo esc_html( $status );
echo "<br>" . sprintf(esc_html__('Image Size: %s', EWWW_IMAGE_OPTIMIZER_DOMAIN), $file_size);
if ( current_user_can( apply_filters( 'ewww_image_optimizer_manual_permissions', '' ) ) ) {
printf("<br><a href=\"admin.php?action=ewww_ngg_manual&ewww_manual_nonce=$ewww_manual_nonce&ewww_force=1&ewww_attachment_ID=%d\">%s</a>",
$id,
esc_html__('Re-optimize', EWWW_IMAGE_OPTIMIZER_DOMAIN));
}
} elseif ( get_transient( 'ewwwio-background-in-progress-ngg-' . $id ) ) {
esc_html_e( 'In Progress', EWWW_IMAGE_OPTIMIZER_DOMAIN );
// otherwise, give the image size, and a link to optimize right now
} else {
esc_html_e('Not processed', EWWW_IMAGE_OPTIMIZER_DOMAIN);
echo "<br>" . sprintf(esc_html__('Image Size: %s', EWWW_IMAGE_OPTIMIZER_DOMAIN), $file_size);
if ( current_user_can( apply_filters( 'ewww_image_optimizer_manual_permissions', '' ) ) ) {
printf("<br><a href=\"admin.php?action=ewww_ngg_manual&ewww_manual_nonce=$ewww_manual_nonce&ewww_attachment_ID=%d\">%s</a>",
$id,
esc_html__('Optimize now!', EWWW_IMAGE_OPTIMIZER_DOMAIN));
}
}
}
}
/**
* Process an image.
*
* Returns an array of the $file, $results, $converted to tell us if an image changes formats, and the $original file if it did.
*
* @param string $file Full absolute path to the image file
* @param int $gallery_type 1=wordpress, 2=nextgen, 3=flagallery, 4=aux_images, 5=image editor, 6=imagestore, 7=retina
* @param boolean $converted tells us if this is a resize and the full image was converted to a new format
* @param boolean $new tells the optimizer that this is a new image, so it should attempt conversion regardless of previous results
* @param boolean $fullsize tells the optimizer this is a full size image
* @returns array
*/
function ewww_image_optimizer($file, $gallery_type = 4, $converted = false, $new = false, $fullsize = false)
{
ewwwio_debug_message('<b>' . __FUNCTION__ . '()</b>');
// if the plugin gets here without initializing, we need to run through some things first
if (!defined('EWWW_IMAGE_OPTIMIZER_CLOUD')) {
ewww_image_optimizer_init();
}
$bypass_optimization = apply_filters('ewww_image_optimizer_bypass', false, $file);
if (true === $bypass_optimization) {
// tell the user optimization was skipped
$msg = __("Optimization skipped", EWWW_IMAGE_OPTIMIZER_DOMAIN);
ewwwio_debug_message("optimization bypassed: {$file}");
// send back the above message
return array(false, $msg, $converted, $file);
}
// initialize the original filename
$original = $file;
$result = '';
// check that the file exists
if (FALSE === file_exists($file)) {
// tell the user we couldn't find the file
$msg = sprintf(__('Could not find %s', EWWW_IMAGE_OPTIMIZER_DOMAIN), "<span class='code'>{$file}</span>");
ewwwio_debug_message("file doesn't appear to exist: {$file}");
// send back the above message
return array(false, $msg, $converted, $original);
}
// check that the file is writable
if (FALSE === is_writable($file)) {
// tell the user we can't write to the file
$msg = sprintf(__('%s is not writable', EWWW_IMAGE_OPTIMIZER_DOMAIN), "<span class='code'>{$file}</span>");
ewwwio_debug_message("couldn't write to the file {$file}");
// send back the above message
return array(false, $msg, $converted, $original);
}
if (function_exists('fileperms')) {
$file_perms = substr(sprintf('%o', fileperms($file)), -4);
}
$file_owner = 'unknown';
$file_group = 'unknown';
if (function_exists('posix_getpwuid')) {
$file_owner = posix_getpwuid(fileowner($file));
$file_owner = $file_owner['name'];
}
if (function_exists('posix_getgrgid')) {
$file_group = posix_getgrgid(filegroup($file));
$file_group = $file_group['name'];
}
ewwwio_debug_message("permissions: {$file_perms}, owner: {$file_owner}, group: {$file_group}");
$type = ewww_image_optimizer_mimetype($file, 'i');
if (strpos($type, 'image') === FALSE) {
//otherwise we store an error message since we couldn't get the mime-type
$msg = __('Missing finfo_file(), getimagesize() and mime_content_type() PHP functions', EWWW_IMAGE_OPTIMIZER_DOMAIN);
ewwwio_debug_message('could not find any functions for mimetype detection');
return array(false, $msg, $converted, $original);
}
if (!EWWW_IMAGE_OPTIMIZER_CLOUD) {
// check to see if 'nice' exists
$nice = ewww_image_optimizer_find_binary('nice', 'n');
if (!defined('EWWW_IMAGE_OPTIMIZER_NOEXEC')) {
// Check if exec is disabled
if (ewww_image_optimizer_exec_check()) {
define('EWWW_IMAGE_OPTIMIZER_NOEXEC', true);
ewwwio_debug_message('exec seems to be disabled');
ewww_image_optimizer_disable_tools();
// otherwise, query the php settings for safe mode
} elseif (ewww_image_optimizer_safemode_check()) {
define('EWWW_IMAGE_OPTIMIZER_NOEXEC', true);
ewwwio_debug_message('safe mode appears to be enabled');
ewww_image_optimizer_disable_tools();
} else {
define('EWWW_IMAGE_OPTIMIZER_NOEXEC', false);
}
}
}
// if the user has disabled the utility checks
if (ewww_image_optimizer_get_option('ewww_image_optimizer_skip_check') == TRUE || EWWW_IMAGE_OPTIMIZER_CLOUD) {
$skip_jpegtran_check = true;
$skip_optipng_check = true;
$skip_gifsicle_check = true;
$skip_pngout_check = true;
} else {
// otherwise we set the variables to false
$skip_jpegtran_check = false;
$skip_optipng_check = false;
$skip_gifsicle_check = false;
$skip_pngout_check = false;
}
if (ewww_image_optimizer_get_option('ewww_image_optimizer_cloud_jpg')) {
$skip_jpegtran_check = true;
}
if (ewww_image_optimizer_get_option('ewww_image_optimizer_cloud_png')) {
$skip_optipng_check = true;
$skip_pngout_check = true;
}
if (ewww_image_optimizer_get_option('ewww_image_optimizer_cloud_gif')) {
$skip_gifsicle_check = true;
}
if (ewww_image_optimizer_get_option('ewww_image_optimizer_metadata_skip_full') && $fullsize) {
$keep_metadata = true;
} else {
$keep_metadata = false;
}
if (ewww_image_optimizer_get_option('ewww_image_optimizer_lossy_skip_full') && $fullsize) {
$skip_lossy = true;
} else {
$skip_lossy = false;
}
if (ini_get('max_execution_time') < 90 && ewww_image_optimizer_stl_check()) {
set_time_limit(0);
}
// if the full-size image was converted
if ($converted) {
ewwwio_debug_message('full-size image was converted, need to rebuild filename for meta');
$filenum = $converted;
// grab the file extension
preg_match('/\\.\\w+$/', $file, $fileext);
// strip the file extension
$filename = str_replace($fileext[0], '', $file);
// grab the dimensions
preg_match('/-\\d+x\\d+(-\\d+)*$/', $filename, $fileresize);
// strip the dimensions
$filename = str_replace($fileresize[0], '', $filename);
// reconstruct the filename with the same increment (stored in $converted) as the full version
$refile = $filename . '-' . $filenum . $fileresize[0] . $fileext[0];
// rename the file
rename($file, $refile);
ewwwio_debug_message("moved {$file} to {$refile}");
// and set $file to the new filename
$file = $refile;
$original = $file;
}
// get the original image size
$orig_size = filesize($file);
ewwwio_debug_message("original filesize: {$orig_size}");
if ($orig_size < ewww_image_optimizer_get_option('ewww_image_optimizer_skip_size')) {
// tell the user optimization was skipped
$msg = __("Optimization skipped", EWWW_IMAGE_OPTIMIZER_DOMAIN);
ewwwio_debug_message("optimization bypassed due to filesize: {$file}");
// send back the above message
return array(false, $msg, $converted, $file);
}
if ($type == 'image/png' && ewww_image_optimizer_get_option('ewww_image_optimizer_skip_png_size') && $orig_size > ewww_image_optimizer_get_option('ewww_image_optimizer_skip_png_size')) {
// tell the user optimization was skipped
$msg = __("Optimization skipped", EWWW_IMAGE_OPTIMIZER_DOMAIN);
ewwwio_debug_message("optimization bypassed due to filesize: {$file}");
// send back the above message
return array($file, $msg, $converted, $file);
}
// initialize $new_size with the original size, HOW ABOUT A ZERO...
//$new_size = $orig_size;
$new_size = 0;
// set the optimization process to OFF
$optimize = false;
// toggle the convert process to ON
$convert = true;
// allow other plugins to mangle the image however they like prior to optimization
do_action('ewww_image_optimizer_pre_optimization', $file, $type);
// run the appropriate optimization/conversion for the mime-type
switch ($type) {
case 'image/jpeg':
$png_size = 0;
// if jpg2png conversion is enabled, and this image is in the wordpress media library
if (ewww_image_optimizer_get_option('ewww_image_optimizer_jpg_to_png') && $gallery_type == 1 || !empty($_GET['ewww_convert'])) {
// generate the filename for a PNG
// if this is a resize version
if ($converted) {
// just change the file extension
$pngfile = preg_replace('/\\.\\w+$/', '.png', $file);
// if this is a full size image
} else {
// get a unique filename for the png image
list($pngfile, $filenum) = ewww_image_optimizer_unique_filename($file, '.png');
}
} else {
// otherwise, set it to OFF
$convert = false;
$pngfile = '';
}
// check for previous optimization, so long as the force flag is on and this isn't a new image that needs converting
if (empty($_REQUEST['ewww_force']) && !($new && $convert)) {
if ($results_msg = ewww_image_optimizer_check_table($file, $orig_size)) {
return array($file, $results_msg, $converted, $original);
}
}
if (ewww_image_optimizer_get_option('ewww_image_optimizer_cloud_jpg')) {
list($file, $converted, $result, $new_size) = ewww_image_optimizer_cloud_optimizer($file, $type, $convert, $pngfile, 'image/png', $skip_lossy);
if ($converted) {
$converted = $filenum;
ewww_image_optimizer_webp_create($file, $new_size, 'image/png', null);
} else {
ewww_image_optimizer_webp_create($file, $new_size, $type, null);
}
break;
}
if ($convert) {
$tools = ewww_image_optimizer_path_check(true, true, false, true, ewww_image_optimizer_get_option('ewww_image_optimizer_png_lossy'), ewww_image_optimizer_get_option('ewww_image_optimizer_webp'));
} else {
$tools = ewww_image_optimizer_path_check(true, false, false, false, false, ewww_image_optimizer_get_option('ewww_image_optimizer_webp'));
}
// if jpegtran optimization is disabled
if (ewww_image_optimizer_get_option('ewww_image_optimizer_disable_jpegtran')) {
// store an appropriate message in $result
$result = sprintf(__('%s is disabled', EWWW_IMAGE_OPTIMIZER_DOMAIN), 'jpegtran');
// otherwise, if we aren't skipping the utility verification and jpegtran doesn't exist
} elseif (!$skip_jpegtran_check && !$tools['JPEGTRAN']) {
// store an appropriate message in $result
$result = sprintf(__('%s is missing', EWWW_IMAGE_OPTIMIZER_DOMAIN), '<em>jpegtran</em>');
// otherwise, things should be good, so...
} else {
// set the optimization process to ON
$optimize = true;
}
// if optimization is turned ON
if ($optimize && !ewww_image_optimizer_get_option('ewww_image_optimizer_cloud_jpg')) {
ewwwio_debug_message('attempting to optimize JPG...');
// generate temporary file-names:
$tempfile = $file . ".tmp";
//non-progressive jpeg
$progfile = $file . ".prog";
// progressive jpeg
// check to see if we are supposed to strip metadata (badly named)
if (ewww_image_optimizer_get_option('ewww_image_optimizer_jpegtran_copy') && !$keep_metadata) {
// don't copy metadata
$copy_opt = 'none';
} else {
// copy all the metadata
$copy_opt = 'all';
}
// run jpegtran - non-progressive
exec("{$nice} " . $tools['JPEGTRAN'] . " -copy {$copy_opt} -optimize -outfile " . ewww_image_optimizer_escapeshellarg($tempfile) . " " . ewww_image_optimizer_escapeshellarg($file));
// run jpegtran - progressive
exec("{$nice} " . $tools['JPEGTRAN'] . " -copy {$copy_opt} -optimize -progressive -outfile " . ewww_image_optimizer_escapeshellarg($progfile) . " " . ewww_image_optimizer_escapeshellarg($file));
if (is_file($tempfile)) {
// check the filesize of the non-progressive JPG
$non_size = filesize($tempfile);
} else {
$non_size = 0;
}
if (is_file($progfile)) {
// check the filesize of the progressive JPG
$prog_size = filesize($progfile);
} else {
$prog_size = 0;
}
ewwwio_debug_message("optimized JPG (non-progresive) size: {$non_size}");
ewwwio_debug_message("optimized JPG (progresive) size: {$prog_size}");
if ($non_size === false || $prog_size === false) {
$result = __('Unable to write file', EWWW_IMAGE_OPTIMIZER_DOMAIN);
$new_size = 0;
} elseif (!$non_size || !$prog_size) {
$result = __('Optimization failed', EWWW_IMAGE_OPTIMIZER_DOMAIN);
$new_size = 0;
} else {
// if the progressive file is bigger
if ($prog_size > $non_size) {
// store the size of the non-progessive JPG
$new_size = $non_size;
if (is_file($progfile)) {
// delete the progressive file
unlink($progfile);
}
// if the progressive file is smaller or the same
} else {
// store the size of the progressive JPG
$new_size = $prog_size;
// replace the non-progressive with the progressive file
rename($progfile, $tempfile);
}
}
ewwwio_debug_message("optimized JPG size: {$new_size}");
// if the best-optimized is smaller than the original JPG, and we didn't create an empty JPG
if ($orig_size > $new_size && $new_size != 0 && ewww_image_optimizer_mimetype($tempfile, 'i') == $type) {
// replace the original with the optimized file
rename($tempfile, $file);
// store the results of the optimization
$result = "{$orig_size} vs. {$new_size}";
// if the optimization didn't produce a smaller JPG
} else {
if (is_file($tempfile)) {
// delete the optimized file
unlink($tempfile);
}
// store the results
$result = 'unchanged';
$new_size = $orig_size;
}
// if conversion and optimization are both turned OFF, finish the JPG processing
} elseif (!$convert) {
ewww_image_optimizer_webp_create($file, $orig_size, $type, $tools['WEBP']);
break;
}
// if the conversion process is turned ON, or if this is a resize and the full-size was converted
if ($convert && !ewww_image_optimizer_get_option('ewww_image_optimizer_cloud_jpg')) {
ewwwio_debug_message("attempting to convert JPG to PNG: {$pngfile}");
if (empty($new_size)) {
$new_size = $orig_size;
}
// retrieve version info for ImageMagick
$convert_path = ewww_image_optimizer_find_binary('convert', 'i');
// convert the JPG to PNG
if (ewww_image_optimizer_gmagick_support()) {
try {
$gmagick = new Gmagick($file);
$gmagick->stripimage();
$gmagick->setimageformat('PNG');
$gmagick->writeimage($pngfile);
} catch (Exception $gmagick_error) {
ewwwio_debug_message($gmagick_error->getMessage());
}
$png_size = ewww_image_optimizer_filesize($pngfile);
}
if (!$png_size && ewww_image_optimizer_imagick_support()) {
try {
$imagick = new Imagick($file);
$imagick->stripImage();
$imagick->setImageFormat('PNG');
$imagick->writeImage($pngfile);
} catch (Exception $imagick_error) {
ewwwio_debug_message($imagick_error->getMessage());
}
$png_size = ewww_image_optimizer_filesize($pngfile);
}
if (!$png_size && !empty($convert_path)) {
ewwwio_debug_message('converting with ImageMagick');
exec($convert_path . " " . ewww_image_optimizer_escapeshellarg($file) . " -strip " . ewww_image_optimizer_escapeshellarg($pngfile));
$png_size = ewww_image_optimizer_filesize($pngfile);
}
if (!$png_size && ewww_image_optimizer_gd_support()) {
ewwwio_debug_message('converting with GD');
imagepng(imagecreatefromjpeg($file), $pngfile);
$png_size = ewww_image_optimizer_filesize($pngfile);
}
// if lossy optimization is ON and full-size exclusion is not active
if (ewww_image_optimizer_get_option('ewww_image_optimizer_png_lossy') && $tools['PNGQUANT'] && !$skip_lossy) {
ewwwio_debug_message('attempting lossy reduction');
exec("{$nice} " . $tools['PNGQUANT'] . " " . ewww_image_optimizer_escapeshellarg($pngfile));
$quantfile = preg_replace('/\\.\\w+$/', '-fs8.png', $pngfile);
if (file_exists($quantfile) && filesize($pngfile) > filesize($quantfile)) {
ewwwio_debug_message("lossy reduction is better: original - " . filesize($pngfile) . " vs. lossy - " . filesize($quantfile));
rename($quantfile, $pngfile);
} elseif (file_exists($quantfile)) {
ewwwio_debug_message("lossy reduction is worse: original - " . filesize($pngfile) . " vs. lossy - " . filesize($quantfile));
unlink($quantfile);
} else {
ewwwio_debug_message('pngquant did not produce any output');
}
}
// if optipng isn't disabled
if (!ewww_image_optimizer_get_option('ewww_image_optimizer_disable_optipng')) {
// retrieve the optipng optimization level
$optipng_level = ewww_image_optimizer_get_option('ewww_image_optimizer_optipng_level');
if (ewww_image_optimizer_get_option('ewww_image_optimizer_jpegtran_copy') && preg_match('/0.7/', ewww_image_optimizer_tool_found($tools['OPTIPNG'], 'o')) && !$keep_metadata) {
$strip = '-strip all ';
} else {
$strip = '';
}
// if the PNG file was created
if (file_exists($pngfile)) {
ewwwio_debug_message('optimizing converted PNG with optipng');
// run optipng on the new PNG
exec("{$nice} " . $tools['OPTIPNG'] . " -o{$optipng_level} -quiet {$strip} " . ewww_image_optimizer_escapeshellarg($pngfile));
}
}
// if pngout isn't disabled
if (!ewww_image_optimizer_get_option('ewww_image_optimizer_disable_pngout')) {
// retrieve the pngout optimization level
$pngout_level = ewww_image_optimizer_get_option('ewww_image_optimizer_pngout_level');
// if the PNG file was created
if (file_exists($pngfile)) {
ewwwio_debug_message('optimizing converted PNG with pngout');
// run pngout on the new PNG
exec("{$nice} " . $tools['PNGOUT'] . " -s{$pngout_level} -q " . ewww_image_optimizer_escapeshellarg($pngfile));
}
}
$png_size = ewww_image_optimizer_filesize($pngfile);
ewwwio_debug_message("converted PNG size: {$png_size}");
// if the PNG is smaller than the original JPG, and we didn't end up with an empty file
if ($new_size > $png_size && $png_size != 0 && ewww_image_optimizer_mimetype($pngfile, 'i') == 'image/png') {
ewwwio_debug_message("converted PNG is better: {$png_size} vs. {$new_size}");
// store the size of the converted PNG
$new_size = $png_size;
// check to see if the user wants the originals deleted
if (ewww_image_optimizer_get_option('ewww_image_optimizer_delete_originals') == TRUE) {
// delete the original JPG
unlink($file);
}
// store the location of the PNG file
$file = $pngfile;
// let webp know what we're dealing with now
$type = 'image/png';
// successful conversion and we store the increment
$converted = $filenum;
} else {
ewwwio_debug_message('converted PNG is no good');
// otherwise delete the PNG
$converted = FALSE;
if (is_file($pngfile)) {
unlink($pngfile);
}
}
}
ewww_image_optimizer_webp_create($file, $new_size, $type, $tools['WEBP']);
break;
case 'image/png':
$jpg_size = 0;
// png2jpg conversion is turned on, and the image is in the wordpress media library
if ((ewww_image_optimizer_get_option('ewww_image_optimizer_png_to_jpg') || !empty($_GET['ewww_convert'])) && $gallery_type == 1 && !$skip_lossy) {
ewwwio_debug_message('PNG to JPG conversion turned on');
// if the user set a fill background for transparency
$background = '';
if ($background = ewww_image_optimizer_jpg_background()) {
// set background color for GD
$r = hexdec('0x' . strtoupper(substr($background, 0, 2)));
$g = hexdec('0x' . strtoupper(substr($background, 2, 2)));
$b = hexdec('0x' . strtoupper(substr($background, 4, 2)));
// set the background flag for 'convert'
$background = "-background " . '"' . "#{$background}" . '"';
} else {
$r = '';
$g = '';
$b = '';
}
// if the user manually set the JPG quality
if ($quality = ewww_image_optimizer_jpg_quality()) {
// set the quality for GD
$gquality = $quality;
// set the quality flag for 'convert'
$cquality = "-quality {$quality}";
} else {
$cquality = '';
$gquality = '92';
}
// if this is a resize version
if ($converted) {
// just replace the file extension with a .jpg
$jpgfile = preg_replace('/\\.\\w+$/', '.jpg', $file);
// if this is a full version
} else {
// construct the filename for the new JPG
list($jpgfile, $filenum) = ewww_image_optimizer_unique_filename($file, '.jpg');
}
} else {
ewwwio_debug_message('PNG to JPG conversion turned off');
// turn the conversion process OFF
$convert = false;
$jpgfile = '';
$r = null;
$g = null;
$b = null;
$gquality = null;
}
// check for previous optimization, so long as the force flag is on and this isn't a new image that needs converting
if (empty($_REQUEST['ewww_force']) && !($new && $convert)) {
if ($results_msg = ewww_image_optimizer_check_table($file, $orig_size)) {
return array($file, $results_msg, $converted, $original);
}
}
if (ewww_image_optimizer_get_option('ewww_image_optimizer_cloud_png')) {
list($file, $converted, $result, $new_size) = ewww_image_optimizer_cloud_optimizer($file, $type, $convert, $jpgfile, 'image/jpeg', $skip_lossy, array('r' => $r, 'g' => $g, 'b' => $b, 'quality' => $gquality));
if ($converted) {
$converted = $filenum;
ewww_image_optimizer_webp_create($file, $new_size, 'image/jpeg', null);
} else {
ewww_image_optimizer_webp_create($file, $new_size, $type, null);
}
break;
}
if ($convert) {
$tools = ewww_image_optimizer_path_check(true, true, false, true, ewww_image_optimizer_get_option('ewww_image_optimizer_png_lossy'), ewww_image_optimizer_get_option('ewww_image_optimizer_webp'));
} else {
$tools = ewww_image_optimizer_path_check(false, true, false, true, ewww_image_optimizer_get_option('ewww_image_optimizer_png_lossy'), ewww_image_optimizer_get_option('ewww_image_optimizer_webp'));
}
// if pngout and optipng are disabled
if (ewww_image_optimizer_get_option('ewww_image_optimizer_disable_optipng') && ewww_image_optimizer_get_option('ewww_image_optimizer_disable_pngout')) {
// tell the user all PNG tools are disabled
$result = __('png tools are disabled', EWWW_IMAGE_OPTIMIZER_DOMAIN);
// if the utility checking is on, optipng is enabled, but optipng cannot be found
} elseif (!$skip_optipng_check && !$tools['OPTIPNG'] && !ewww_image_optimizer_get_option('ewww_image_optimizer_disable_optipng')) {
// tell the user optipng is missing
$result = sprintf(__('%s is missing', EWWW_IMAGE_OPTIMIZER_DOMAIN), '<em>optipng</em>');
// if the utility checking is on, pngout is enabled, but pngout cannot be found
} elseif (!$skip_pngout_check && !$tools['PNGOUT'] && !ewww_image_optimizer_get_option('ewww_image_optimizer_disable_pngout')) {
// tell the user pngout is missing
$result = sprintf(__('%s is missing', EWWW_IMAGE_OPTIMIZER_DOMAIN), '<em>pngout</em>');
} else {
// turn optimization on if we made it through all the checks
$optimize = true;
}
// if optimization is turned on
if ($optimize) {
// if lossy optimization is ON and full-size exclusion is not active
if (ewww_image_optimizer_get_option('ewww_image_optimizer_png_lossy') && $tools['PNGQUANT'] && !$skip_lossy) {
ewwwio_debug_message('attempting lossy reduction');
exec("{$nice} " . $tools['PNGQUANT'] . " " . ewww_image_optimizer_escapeshellarg($file));
$quantfile = preg_replace('/\\.\\w+$/', '-fs8.png', $file);
if (file_exists($quantfile) && filesize($file) > filesize($quantfile) && ewww_image_optimizer_mimetype($quantfile, 'i') == $type) {
ewwwio_debug_message("lossy reduction is better: original - " . filesize($file) . " vs. lossy - " . filesize($quantfile));
rename($quantfile, $file);
} elseif (file_exists($quantfile)) {
ewwwio_debug_message("lossy reduction is worse: original - " . filesize($file) . " vs. lossy - " . filesize($quantfile));
unlink($quantfile);
} else {
ewwwio_debug_message('pngquant did not produce any output');
}
}
$tempfile = $file . '.tmp.png';
copy($file, $tempfile);
// if optipng is enabled
if (!ewww_image_optimizer_get_option('ewww_image_optimizer_disable_optipng')) {
// retrieve the optimization level for optipng
$optipng_level = ewww_image_optimizer_get_option('ewww_image_optimizer_optipng_level');
if (ewww_image_optimizer_get_option('ewww_image_optimizer_jpegtran_copy') && preg_match('/0.7/', ewww_image_optimizer_tool_found($tools['OPTIPNG'], 'o')) && !$keep_metadata) {
$strip = '-strip all ';
} else {
$strip = '';
}
// run optipng on the PNG file
exec("{$nice} " . $tools['OPTIPNG'] . " -o{$optipng_level} -quiet {$strip} " . ewww_image_optimizer_escapeshellarg($tempfile));
}
// if pngout is enabled
if (!ewww_image_optimizer_get_option('ewww_image_optimizer_disable_pngout')) {
// retrieve the optimization level for pngout
$pngout_level = ewww_image_optimizer_get_option('ewww_image_optimizer_pngout_level');
// run pngout on the PNG file
exec("{$nice} " . $tools['PNGOUT'] . " -s{$pngout_level} -q " . ewww_image_optimizer_escapeshellarg($tempfile));
}
// retrieve the filesize of the temporary PNG
$new_size = filesize($tempfile);
// if the new PNG is smaller
if ($orig_size > $new_size && $new_size != 0 && ewww_image_optimizer_mimetype($tempfile, 'i') == $type) {
// replace the original with the optimized file
rename($tempfile, $file);
// store the results of the optimization
$result = "{$orig_size} vs. {$new_size}";
// if the optimization didn't produce a smaller PNG
} else {
if (is_file($tempfile)) {
// delete the optimized file
unlink($tempfile);
}
// store the results
$result = 'unchanged';
$new_size = $orig_size;
}
// if conversion and optimization are both disabled we are done here
} elseif (!$convert) {
ewwwio_debug_message('calling webp, but neither convert or optimize');
ewww_image_optimizer_webp_create($file, $orig_size, $type, $tools['WEBP']);
break;
}
// flush the cache for filesize
clearstatcache();
// retrieve the new filesize of the PNG
$new_size = filesize($file);
// if conversion is on and the PNG doesn't have transparency or the user set a background color to replace transparency
if ($convert && (!ewww_image_optimizer_png_alpha($file) || ewww_image_optimizer_jpg_background())) {
ewwwio_debug_message("attempting to convert PNG to JPG: {$jpgfile}");
if (empty($new_size)) {
$new_size = $orig_size;
}
// retrieve version info for ImageMagick
$convert_path = ewww_image_optimizer_find_binary('convert', 'i');
$magick_background = ewww_image_optimizer_jpg_background();
if (empty($magick_background)) {
$magick_background = '000000';
}
// convert the PNG to a JPG with all the proper options
if (ewww_image_optimizer_gmagick_support()) {
try {
if (ewww_image_optimizer_png_alpha($file)) {
$gmagick_overlay = new Gmagick($file);
$gmagick = new Gmagick();
$gmagick->newimage($gmagick_overlay->getimagewidth(), $gmagick_overlay->getimageheight(), '#' . $magick_background);
$gmagick->compositeimage($gmagick_overlay, 1, 0, 0);
} else {
$gmagick = new Gmagick($file);
}
$gmagick->setimageformat('JPG');
$gmagick->setcompressionquality($gquality);
$gmagick->writeimage($jpgfile);
} catch (Exception $gmagick_error) {
ewwwio_debug_message($gmagick_error->getMessage());
}
$jpg_size = ewww_image_optimizer_filesize($jpgfile);
}
if (!$jpg_size && ewww_image_optimizer_imagick_support()) {
try {
$imagick = new Imagick($file);
if (ewww_image_optimizer_png_alpha($file)) {
$imagick->setImageBackgroundColor(new ImagickPixel('#' . $magick_background));
$imagick->setImageAlphaChannel(11);
}
$imagick->setImageFormat('JPG');
$imagick->setCompressionQuality($gquality);
$imagick->writeImage($jpgfile);
} catch (Exception $imagick_error) {
ewwwio_debug_message($imagick_error->getMessage());
}
$jpg_size = ewww_image_optimizer_filesize($jpgfile);
}
if (!$jpg_size && !empty($convert_path)) {
ewwwio_debug_message('converting with ImageMagick');
ewwwio_debug_message("using command: {$convert_path} {$background} -alpha remove {$cquality} {$file} {$jpgfile}");
exec("{$convert_path} {$background} -alpha remove {$cquality} " . ewww_image_optimizer_escapeshellarg($file) . " " . ewww_image_optimizer_escapeshellarg($jpgfile));
$jpg_size = ewww_image_optimizer_filesize($jpgfile);
}
if (!$jpg_size && ewww_image_optimizer_gd_support()) {
ewwwio_debug_message('converting with GD');
// retrieve the data from the PNG
$input = imagecreatefrompng($file);
// retrieve the dimensions of the PNG
list($width, $height) = getimagesize($file);
// create a new image with those dimensions
$output = imagecreatetruecolor($width, $height);
if ($r === '') {
$r = 255;
$g = 255;
$b = 255;
}
// allocate the background color
$rgb = imagecolorallocate($output, $r, $g, $b);
// fill the new image with the background color
imagefilledrectangle($output, 0, 0, $width, $height, $rgb);
// copy the original image to the new image
imagecopy($output, $input, 0, 0, 0, 0, $width, $height);
// output the JPG with the quality setting
imagejpeg($output, $jpgfile, $gquality);
}
$jpg_size = ewww_image_optimizer_filesize($jpgfile);
if ($jpg_size) {
ewwwio_debug_message("converted JPG filesize: {$jpg_size}");
} else {
ewwwio_debug_message('unable to convert to JPG');
}
// next we need to optimize that JPG if jpegtran is enabled
if (!ewww_image_optimizer_get_option('ewww_image_optimizer_disable_jpegtran') && file_exists($jpgfile)) {
// generate temporary file-names:
$tempfile = $jpgfile . ".tmp";
//non-progressive jpeg
$progfile = $jpgfile . ".prog";
// progressive jpeg
// check to see if we are supposed to strip metadata (badly named)
if (ewww_image_optimizer_get_option('ewww_image_optimizer_jpegtran_copy') && !$keep_metadata) {
// don't copy metadata
$copy_opt = 'none';
} else {
// copy all the metadata
$copy_opt = 'all';
}
// run jpegtran - non-progressive
exec("{$nice} " . $tools['JPEGTRAN'] . " -copy {$copy_opt} -optimize -outfile " . ewww_image_optimizer_escapeshellarg($tempfile) . " " . ewww_image_optimizer_escapeshellarg($jpgfile));
// run jpegtran - progressive
exec("{$nice} " . $tools['JPEGTRAN'] . " -copy {$copy_opt} -optimize -progressive -outfile " . ewww_image_optimizer_escapeshellarg($progfile) . " " . ewww_image_optimizer_escapeshellarg($jpgfile));
if (is_file($tempfile)) {
// check the filesize of the non-progressive JPG
$non_size = filesize($tempfile);
ewwwio_debug_message("non-progressive JPG filesize: {$non_size}");
} else {
$non_size = 0;
}
if (is_file($progfile)) {
// check the filesize of the progressive JPG
$prog_size = filesize($progfile);
ewwwio_debug_message("progressive JPG filesize: {$prog_size}");
} else {
$prog_size = 0;
}
// if the progressive file is bigger
if ($prog_size > $non_size) {
// store the size of the non-progessive JPG
$opt_jpg_size = $non_size;
if (is_file($progfile)) {
// delete the progressive file
unlink($progfile);
}
ewwwio_debug_message('keeping non-progressive JPG');
// if the progressive file is smaller or the same
} else {
// store the size of the progressive JPG
$opt_jpg_size = $prog_size;
// replace the non-progressive with the progressive file
rename($progfile, $tempfile);
ewwwio_debug_message('keeping progressive JPG');
}
// if the best-optimized is smaller than the original JPG, and we didn't create an empty JPG
if ($jpg_size > $opt_jpg_size && $opt_jpg_size != 0) {
// replace the original with the optimized file
rename($tempfile, $jpgfile);
// store the size of the optimized JPG
$jpg_size = $opt_jpg_size;
ewwwio_debug_message('optimized JPG was smaller than un-optimized version');
// if the optimization didn't produce a smaller JPG
} elseif (is_file($tempfile)) {
// delete the optimized file
unlink($tempfile);
}
}
ewwwio_debug_message("converted JPG size: {$jpg_size}");
// if the new JPG is smaller than the original PNG
if ($new_size > $jpg_size && $jpg_size != 0 && ewww_image_optimizer_mimetype($jpgfile, 'i') == 'image/jpeg') {
// store the size of the JPG as the new filesize
$new_size = $jpg_size;
// if the user wants originals delted after a conversion
if (ewww_image_optimizer_get_option('ewww_image_optimizer_delete_originals') == TRUE) {
// delete the original PNG
unlink($file);
}
// update the $file location to the new JPG
$file = $jpgfile;
// let webp know what we're dealing with now
$type = 'image/jpeg';
// successful conversion, so we store the increment
$converted = $filenum;
} else {
$converted = FALSE;
if (is_file($jpgfile)) {
// otherwise delete the new JPG
unlink($jpgfile);
}
}
}
ewww_image_optimizer_webp_create($file, $new_size, $type, $tools['WEBP']);
break;
case 'image/gif':
// if gif2png is turned on, and the image is in the wordpress media library
if (ewww_image_optimizer_get_option('ewww_image_optimizer_gif_to_png') && $gallery_type == 1 || !empty($_GET['ewww_convert'])) {
// generate the filename for a PNG
// if this is a resize version
if ($converted) {
// just change the file extension
$pngfile = preg_replace('/\\.\\w+$/', '.png', $file);
// if this is the full version
} else {
// construct the filename for the new PNG
list($pngfile, $filenum) = ewww_image_optimizer_unique_filename($file, '.png');
}
} else {
// turn conversion OFF
$convert = false;
$pngfile = '';
}
// check for previous optimization, so long as the force flag is on and this isn't a new image that needs converting
if (empty($_REQUEST['ewww_force']) && !($new && $convert)) {
if ($results_msg = ewww_image_optimizer_check_table($file, $orig_size)) {
return array($file, $results_msg, $converted, $original);
}
}
if (ewww_image_optimizer_get_option('ewww_image_optimizer_cloud_gif')) {
list($file, $converted, $result, $new_size) = ewww_image_optimizer_cloud_optimizer($file, $type, $convert, $pngfile, 'image/png', $skip_lossy);
if ($converted) {
$converted = $filenum;
ewww_image_optimizer_webp_create($file, $new_size, 'image/png', null);
}
break;
}
if ($convert) {
$tools = ewww_image_optimizer_path_check(false, true, true, true, ewww_image_optimizer_get_option('ewww_image_optimizer_png_lossy'), ewww_image_optimizer_get_option('ewww_image_optimizer_webp'));
} else {
$tools = ewww_image_optimizer_path_check(false, false, true, false, false, false);
}
// if gifsicle is disabled
if (ewww_image_optimizer_get_option('ewww_image_optimizer_disable_gifsicle')) {
// return an appropriate message
$result = sprintf(__('%s is disabled', EWWW_IMAGE_OPTIMIZER_DOMAIN), 'gifsicle');
// if utility checking is on, and gifsicle is not installed
} elseif (!$skip_gifsicle_check && !$tools['GIFSICLE']) {
// return an appropriate message
$result = sprintf(__('%s is missing', EWWW_IMAGE_OPTIMIZER_DOMAIN), '<em>gifsicle</em>');
} else {
// otherwise, turn optimization ON
$optimize = true;
}
// if optimization is turned ON
if ($optimize) {
$tempfile = $file . '.tmp';
//temporary GIF output
// run gifsicle on the GIF
exec("{$nice} " . $tools['GIFSICLE'] . " -b -O3 --careful -o {$tempfile} " . ewww_image_optimizer_escapeshellarg($file));
if (file_exists($tempfile)) {
// retrieve the filesize of the temporary GIF
$new_size = filesize($tempfile);
// if the new GIF is smaller
if ($orig_size > $new_size && $new_size != 0 && ewww_image_optimizer_mimetype($tempfile, 'i') == $type) {
// replace the original with the optimized file
rename($tempfile, $file);
// store the results of the optimization
$result = "{$orig_size} vs. {$new_size}";
// if the optimization didn't produce a smaller GIF
} else {
if (is_file($tempfile)) {
// delete the optimized file
unlink($tempfile);
}
// store the results
$result = 'unchanged';
$new_size = $orig_size;
}
}
// if conversion and optimization are both turned OFF, we are done here
} elseif (!$convert) {
break;
}
// flush the cache for filesize
clearstatcache();
// get the new filesize for the GIF
$new_size = filesize($file);
// if conversion is ON and the GIF isn't animated
if ($convert && !ewww_image_optimizer_is_animated($file)) {
if (empty($new_size)) {
$new_size = $orig_size;
}
// if optipng is enabled
if (!ewww_image_optimizer_get_option('ewww_image_optimizer_disable_optipng') && $tools['OPTIPNG']) {
// retrieve the optipng optimization level
$optipng_level = ewww_image_optimizer_get_option('ewww_image_optimizer_optipng_level');
if (ewww_image_optimizer_get_option('ewww_image_optimizer_jpegtran_copy') && preg_match('/0.7/', ewww_image_optimizer_tool_found($tools['OPTIPNG'], 'o')) && !$keep_metadata) {
$strip = '-strip all ';
} else {
$strip = '';
}
// run optipng on the GIF file
exec("{$nice} " . $tools['OPTIPNG'] . " -out " . ewww_image_optimizer_escapeshellarg($pngfile) . " -o{$optipng_level} -quiet {$strip} " . ewww_image_optimizer_escapeshellarg($file));
}
// if pngout is enabled
if (!ewww_image_optimizer_get_option('ewww_image_optimizer_disable_pngout') && $tools['PNGOUT']) {
// retrieve the pngout optimization level
$pngout_level = ewww_image_optimizer_get_option('ewww_image_optimizer_pngout_level');
// if $pngfile exists (which means optipng was run already)
if (file_exists($pngfile)) {
// run pngout on the PNG file
exec("{$nice} " . $tools['PNGOUT'] . " -s{$pngout_level} -q " . ewww_image_optimizer_escapeshellarg($pngfile));
} else {
// run pngout on the GIF file
exec("{$nice} " . $tools['PNGOUT'] . " -s{$pngout_level} -q " . ewww_image_optimizer_escapeshellarg($file) . " " . ewww_image_optimizer_escapeshellarg($pngfile));
}
}
// if a PNG file was created
if (file_exists($pngfile)) {
// retrieve the filesize of the PNG
$png_size = filesize($pngfile);
// if the new PNG is smaller than the original GIF
if ($new_size > $png_size && $png_size != 0 && ewww_image_optimizer_mimetype($pngfile, 'i') == 'image/png') {
// store the PNG size as the new filesize
$new_size = $png_size;
// if the user wants original GIFs deleted after successful conversion
if (ewww_image_optimizer_get_option('ewww_image_optimizer_delete_originals') == TRUE) {
// delete the original GIF
unlink($file);
}
// update the $file location with the new PNG
$file = $pngfile;
// let webp know what we're dealing with now
$type = 'image/png';
// normally this would be at the end of the section, but we only want to do webp if the image was successfully converted to a png
ewww_image_optimizer_webp_create($file, $new_size, $type, $tools['WEBP']);
// successful conversion (for now), so we store the increment
$converted = $filenum;
} else {
$converted = FALSE;
if (is_file($pngfile)) {
unlink($pngfile);
}
}
}
}
break;
default:
// if not a JPG, PNG, or GIF, tell the user we don't work with strangers
return array($file, __('Unknown type: ' . $type, EWWW_IMAGE_OPTIMIZER_DOMAIN), $converted, $original);
}
// allow other plugins to run operations on the images after optimization.
// NOTE: it is recommended to do any image modifications prior to optimization, otherwise you risk un-optimizing your images here.
do_action('ewww_image_optimizer_post_optimization', $file, $type);
// if their cloud api license limit has been exceeded
if ($result == 'exceeded') {
return array($file, __('License exceeded', EWWW_IMAGE_OPTIMIZER_DOMAIN), $converted, $original);
}
if (!empty($new_size)) {
$results_msg = ewww_image_optimizer_update_table($file, $new_size, $orig_size, $new);
ewwwio_memory(__FUNCTION__);
return array($file, $results_msg, $converted, $original);
}
ewwwio_memory(__FUNCTION__);
// otherwise, send back the filename, the results (some sort of error message), the $converted flag, and the name of the original image
return array($file, $result, $converted, $original);
}
function ewww_image_optimizer_aux_images_script($hook)
{
ewwwio_debug_message('<b>' . __FUNCTION__ . '()</b>');
// make sure we are being called from the proper page
if ('ewww-image-optimizer-auto' !== $hook && empty($_REQUEST['ewww_scan'])) {
return;
}
global $wpdb;
if (!empty($_REQUEST['ewww_force'])) {
ewwwio_debug_message('forcing re-optimize: true');
}
// initialize the $attachments variable for auxiliary images
$attachments = null;
// check the 'bulk resume' option
$resume = get_option('ewww_image_optimizer_aux_resume');
// check if there is a previous bulk operation to resume
if (!empty($resume)) {
// retrieve the attachment IDs that have not been finished from the 'bulk attachments' option
$attachments = get_option('ewww_image_optimizer_aux_attachments');
} else {
$attachments = array();
// collect a list of images from the current theme
$child_path = get_stylesheet_directory();
$parent_path = get_template_directory();
$attachments = ewww_image_optimizer_image_scan($child_path);
if ($child_path !== $parent_path) {
$attachments = array_merge($attachments, ewww_image_optimizer_image_scan($parent_path));
}
if (!function_exists('is_plugin_active')) {
// need to include the plugin library for the is_plugin_active function
require_once ABSPATH . 'wp-admin/includes/plugin.php';
}
// collect a list of images for buddypress
if (is_plugin_active('buddypress/bp-loader.php') || is_plugin_active_for_network('buddypress/bp-loader.php')) {
// get the value of the wordpress upload directory
$upload_dir = wp_upload_dir();
// scan the 'avatars' and 'group-avatars' folders for images
$attachments = array_merge($attachments, ewww_image_optimizer_image_scan($upload_dir['basedir'] . '/avatars'), ewww_image_optimizer_image_scan($upload_dir['basedir'] . '/group-avatars'));
}
if (is_plugin_active('buddypress-activity-plus/bpfb.php') || is_plugin_active_for_network('buddypress-activity-plus/bpfb.php')) {
// get the value of the wordpress upload directory
$upload_dir = wp_upload_dir();
// scan the 'avatars' and 'group-avatars' folders for images
$attachments = array_merge($attachments, ewww_image_optimizer_image_scan($upload_dir['basedir'] . '/bpfb'));
}
if (is_plugin_active('grand-media/grand-media.php') || is_plugin_active_for_network('grand-media/grand-media.php')) {
// scan the grand media folder for images
$attachments = array_merge($attachments, ewww_image_optimizer_image_scan(WP_CONTENT_DIR . '/grand-media'));
}
if (is_plugin_active('wp-symposium/wp-symposium.php') || is_plugin_active_for_network('wp-symposium/wp-symposium.php')) {
$attachments = array_merge($attachments, ewww_image_optimizer_image_scan(get_option('symposium_img_path')));
}
if (is_plugin_active('ml-slider/ml-slider.php') || is_plugin_active_for_network('ml-slider/ml-slider.php')) {
$slide_paths = array();
$sliders = get_posts(array('numberposts' => -1, 'post_type' => 'ml-slider', 'post_status' => 'any', 'fields' => 'ids'));
foreach ($sliders as $slider) {
$slides = get_posts(array('numberposts' => -1, 'orderby' => 'menu_order', 'order' => 'ASC', 'post_type' => 'attachment', 'post_status' => 'inherit', 'fields' => 'ids', 'tax_query' => array(array('taxonomy' => 'ml-slider', 'field' => 'slug', 'terms' => $slider))));
foreach ($slides as $slide) {
$backup_sizes = get_post_meta($slide, '_wp_attachment_backup_sizes', true);
$type = get_post_meta($slide, 'ml-slider_type', true);
$type = $type ? $type : 'image';
// backwards compatibility, fall back to 'image'
if ($type === 'image') {
foreach ($backup_sizes as $backup_size => $meta) {
if (preg_match('/resized-/', $backup_size)) {
$path = $meta['path'];
$image_size = ewww_image_optimizer_filesize($path);
if (!$image_size) {
continue;
}
$query = $wpdb->prepare("SELECT id FROM {$wpdb->ewwwio_images} WHERE path LIKE %s AND image_size LIKE '{$image_size}'", $path);
$optimized_query = $wpdb->get_results($query, ARRAY_A);
if (!empty($optimized_query)) {
foreach ($optimized_query as $image) {
if ($image['path'] != $path) {
ewwwio_debug_message("{$image['path']} does not match {$path}, continuing our search");
} else {
$already_optimized = $image;
}
}
}
$mimetype = ewww_image_optimizer_mimetype($path, 'i');
if (preg_match('/^image\\/(jpeg|png|gif)/', $mimetype) && empty($already_optimized)) {
$slide_paths[] = $path;
}
}
}
}
}
}
$attachments = array_merge($attachments, $slide_paths);
}
// collect a list of images in auxiliary folders provided by user
if ($aux_paths = ewww_image_optimizer_get_option('ewww_image_optimizer_aux_paths')) {
foreach ($aux_paths as $aux_path) {
$attachments = array_merge($attachments, ewww_image_optimizer_image_scan($aux_path));
}
}
// scan images in two most recent media library folders if the option is enabled, and this is a scheduled optimization
if ('ewww-image-optimizer-auto' == $hook && ewww_image_optimizer_get_option('ewww_image_optimizer_include_media_paths')) {
// retrieve the location of the wordpress upload folder
$upload_dir = wp_upload_dir();
// retrieve the path of the upload folder
$upload_path = $upload_dir['basedir'];
$this_month = date('m');
$this_year = date('Y');
$attachments = array_merge($attachments, ewww_image_optimizer_image_scan("{$upload_path}/{$this_year}/{$this_month}/"));
if (class_exists('DateTime')) {
$date = new DateTime();
$date->sub(new DateInterval('P1M'));
$last_year = $date->format('Y');
$last_month = $date->format('m');
$attachments = array_merge($attachments, ewww_image_optimizer_image_scan("{$upload_path}/{$last_year}/{$last_month}/"));
}
}
// store the filenames we retrieved in the 'bulk_attachments' option so we can keep track of our progress in the database
update_option('ewww_image_optimizer_aux_attachments', $attachments);
}
ewww_image_optimizer_debug_log();
// if ( empty( $attachments ) ) {
// $attachments = '';
// } else {
// submit a couple variables to the javascript to work with
$attachments = json_encode($attachments);
// }
if (!empty($_REQUEST['ewww_scan'])) {
// if ( empty( $attachments ) ) {
// _e( 'Nothing to optimize', EWWW_IMAGE_OPTIMIZER_DOMAIN );
// } else {
echo $attachments;
// }
ewwwio_memory(__FUNCTION__);
die;
} else {
ewwwio_memory(__FUNCTION__);
return;
}
}
function ewww_image_optimizer_scan_other()
{
global $wpdb;
// $aux_resume = get_option('ewww_image_optimizer_aux_resume');
// initialize the $attachments variable for auxiliary images
$attachments = null;
// check the 'bulk resume' option
// $resume = get_option('ewww_image_optimizer_aux_resume');
// check if there is a previous bulk operation to resume
if (get_option('ewww_image_optimizer_aux_resume')) {
// retrieve the attachment IDs that have not been finished from the 'bulk attachments' option
$attachments = get_option('ewww_image_optimizer_aux_attachments');
} else {
// collect a list of images from the current theme
$child_path = get_stylesheet_directory();
$parent_path = get_template_directory();
$attachments = ewww_image_optimizer_image_scan($child_path);
if ($child_path !== $parent_path) {
$attachments = array_merge($attachments, ewww_image_optimizer_image_scan($parent_path));
}
// collect a list of images for buddypress
if (!function_exists('is_plugin_active')) {
// need to include the plugin library for the is_plugin_active function
ewww_image_optimizer_require(ABSPATH . 'wp-admin/includes/plugin.php');
}
if (is_plugin_active('buddypress/bp-loader.php') || is_plugin_active_for_network('buddypress/bp-loader.php')) {
// get the value of the wordpress upload directory
$upload_dir = wp_upload_dir();
// scan the 'avatars' and 'group-avatars' folders for images
$attachments = array_merge($attachments, ewww_image_optimizer_image_scan($upload_dir['basedir'] . '/avatars'), ewww_image_optimizer_image_scan($upload_dir['basedir'] . '/group-avatars'));
}
if (is_plugin_active('buddypress-activity-plus/bpfb.php') || is_plugin_active_for_network('buddypress-activity-plus/bpfb.php')) {
// get the value of the wordpress upload directory
$upload_dir = wp_upload_dir();
// scan the 'avatars' and 'group-avatars' folders for images
$attachments = array_merge($attachments, ewww_image_optimizer_image_scan($upload_dir['basedir'] . '/bpfb'));
}
if (is_plugin_active('grand-media/grand-media.php') || is_plugin_active_for_network('grand-media/grand-media.php')) {
// scan the grand media folder for images
$attachments = array_merge($attachments, ewww_image_optimizer_image_scan(WP_CONTENT_DIR . '/grand-media'));
}
if (is_plugin_active('wp-symposium/wp-symposium.php') || is_plugin_active_for_network('wp-symposium/wp-symposium.php')) {
$attachments = array_merge($attachments, ewww_image_optimizer_image_scan(get_option('symposium_img_path')));
}
if (is_plugin_active('ml-slider/ml-slider.php') || is_plugin_active_for_network('ml-slider/ml-slider.php')) {
$slide_paths = array();
$sliders = get_posts(array('numberposts' => -1, 'post_type' => 'ml-slider', 'post_status' => 'any', 'fields' => 'ids'));
foreach ($sliders as $slider) {
$slides = get_posts(array('numberposts' => -1, 'orderby' => 'menu_order', 'order' => 'ASC', 'post_type' => 'attachment', 'post_status' => 'inherit', 'fields' => 'ids', 'tax_query' => array(array('taxonomy' => 'ml-slider', 'field' => 'slug', 'terms' => $slider))));
foreach ($slides as $slide) {
$backup_sizes = get_post_meta($slide, '_wp_attachment_backup_sizes', true);
$type = get_post_meta($slide, 'ml-slider_type', true);
$type = $type ? $type : 'image';
// backwards compatibility, fall back to 'image'
if ($type === 'image') {
foreach ($backup_sizes as $backup_size => $meta) {
if (preg_match('/resized-/', $backup_size)) {
$path = $meta['path'];
$image_size = ewww_image_optimizer_filesize($path);
if (!$image_size) {
continue;
}
$query = $wpdb->prepare("SELECT id FROM {$wpdb->ewwwio_images} WHERE path LIKE %s AND image_size LIKE '{$image_size}'", $path);
$optimized_query = $wpdb->get_results($query, ARRAY_A);
if (!empty($optimized_query)) {
foreach ($optimized_query as $image) {
if ($image['path'] == $path) {
// $ewww_debug .= "{$image['path']} does not match $path, continuing our search<br>";
$already_optimized = $image;
}
}
}
$mimetype = ewww_image_optimizer_mimetype($path, 'i');
if (preg_match('/^image\\/(jpeg|png|gif)/', $mimetype) && empty($already_optimized)) {
$slide_paths[] = $path;
}
}
}
}
}
}
$attachments = array_merge($attachments, $slide_paths);
}
// collect a list of images in auxiliary folders provided by user
if ($aux_paths = ewww_image_optimizer_get_option('ewww_image_optimizer_aux_paths')) {
foreach ($aux_paths as $aux_path) {
$attachments = array_merge($attachments, ewww_image_optimizer_image_scan($aux_path));
}
}
// store the filenames we retrieved in the 'bulk_attachments' option so we can keep track of our progress in the database
update_option('ewww_image_optimizer_aux_attachments', $attachments);
}
return $attachments;
}
