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<?php
/**
* Extend NextGen Mixin class to smush dynamic images.
*
* @package Smush\Core\Integrations\NextGen
*/
namespace Smush\Core\Integrations\NextGen;
use C_Component_Registry;
use C_Gallery_Storage;
use C_Image;
use Mixin;
use nggdb;
use WP_Smush;
if ( ! defined( 'WPINC' ) ) {
die;
}
/**
* Class Thumbs
*/
class Thumbs extends Mixin {
/**
* Overrides the NextGen Gallery function, to smush the dynamic images and thumbnails created by gallery
*
* @param int|object|C_Image $image Image object.
* @param string $size Size.
* @param array|null $params Optional. Parameters array.
* @param bool $skip_defaults Optional. Skip defaults.
*
* @return bool|object
*/
function generate_image_size( $image, $size, $params = null, $skip_defaults = false ) {
$smush = WP_Smush::get_instance()->core()->mod->smush;
$image_id = ! empty( $image->pid ) ? $image->pid : '';
// Get image from storage object if we don't have it already.
if ( empty( $image_id ) ) {
// Get metadata For the image.
// Registry Object for NextGen Gallery.
$registry = C_Component_Registry::get_instance();
/**
* Gallery Storage Object.
*
* @var C_Gallery_Storage $storage
*/
$storage = $registry->get_utility( 'I_Gallery_Storage' );
$image_id = $storage->object->_get_image_id( $image );
}
// Call the actual function to generate the image, and pass the image to smush.
$success = $this->call_parent( 'generate_image_size', $image, $size, $params, $skip_defaults );
if ( $success ) {
$filename = $success->fileName;
// Smush it, if it exists.
if ( file_exists( $filename ) ) {
$response = $smush->do_smushit( $filename );
// If the image was smushed.
if ( ! is_wp_error( $response ) && ! empty( $response['data'] ) && $response['data']->bytes_saved > 0 ) {
// Check for existing stats.
if ( ! empty( $image->meta_data ) && ! empty( $image->meta_data['wp_smush'] ) ) {
$stats = $image->meta_data['wp_smush'];
} else {
// Initialize stats array.
$stats = array(
'stats' => array_merge(
$smush->get_size_signature(),
array(
'api_version' => - 1,
'lossy' => - 1,
'keep_exif' => false,
)
),
'sizes' => array(),
);
$stats['bytes'] = $response['data']->bytes_saved;
$stats['percent'] = $response['data']->compression;
$stats['size_after'] = $response['data']->after_size;
$stats['size_before'] = $response['data']->before_size;
$stats['time'] = $response['data']->time;
}
$stats['sizes'][ $size ] = (object) $smush->array_fill_placeholders( $smush->get_size_signature(), (array) $response['data'] );
if ( isset( $image->metadata ) ) {
$image->meta_data['wp_smush'] = $stats;
nggdb::update_image_meta( $image->pid, $image->meta_data );
}
// Allows To get the stats for each image, after the image is smushed.
do_action( 'wp_smush_nextgen_image_stats', $image_id, $stats );
}
}
}
return $success;
}
}
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