Current File : /var/www/businessmultisite/wp-content/plugins/timber-library/lib/Image/Operation/ToWebp.php
<?php
namespace Timber\Image\Operation;
use Timber\Helper as Helper;
use Timber\Image\Operation as ImageOperation;
use Timber\ImageHelper;
/**
* This class is used to process webp images. Not all server configurations support webp.
* If webp is not enabled, Timber will generate webp images instead
* @codeCoverageIgnore
*/
class ToWebp extends ImageOperation {
private $quality;
/**
* @param string $quality ranges from 0 (worst quality, smaller file) to 100 (best quality, biggest file)
*/
public function __construct( $quality ) {
$this->quality = $quality;
}
/**
* @param string $src_filename the basename of the file (ex: my-awesome-pic)
* @param string $src_extension ignored
* @return string the final filename to be used (ex: my-awesome-pic.webp)
*/
public function filename( $src_filename, $src_extension = 'webp' ) {
$new_name = $src_filename . '.webp';
return $new_name;
}
/**
* Performs the actual image manipulation,
* including saving the target file.
*
* @param string $load_filename filepath (not URL) to source file (ex: /src/var/www/wp-content/uploads/my-pic.webp)
* @param string $save_filename filepath (not URL) where result file should be saved
* (ex: /src/var/www/wp-content/uploads/my-pic.webp)
* @return bool true if everything went fine, false otherwise
*/
public function run( $load_filename, $save_filename ) {
if (!is_file($load_filename)) {
return false;
}
// Attempt to check if SVG.
if ( ImageHelper::is_svg($load_filename) ) {
return false;
}
$ext = wp_check_filetype($load_filename);
if ( isset($ext['ext']) ) {
$ext = $ext['ext'];
}
$ext = strtolower($ext);
$ext = str_replace('jpg', 'jpeg', $ext);
$imagecreate_function = 'imagecreatefrom' . $ext;
if ( !function_exists($imagecreate_function) ) {
return false;
}
$input = $imagecreate_function($load_filename);
if ( !imageistruecolor($input) ) {
imagepalettetotruecolor($input);
}
if (!function_exists('imagewebp')) {
Helper::error_log('The function imagewebp does not exist on this server to convert image to '.$save_filename.'.');
return false;
}
return imagewebp($input, $save_filename, $this->quality);
}
}
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