Weak hands cannot be planted, meager skills have no foundation. Shallow wisdom is futile, how can one hope for a good name?扰扰从役倦，屑屑身事微。少壮轻年月，迟暮惜光辉。
thumbnail_sizes = get_imagify_thumbnail_sizes();
return $this->thumbnail_sizes;
}
/**
* Get images max width for this context. This is used when resizing.
* 0 means to not resize.
*
* @since 1.9.8
* @author Grégory Viguier
*
* @return int
*/
public function get_resizing_threshold() {
if ( get_imagify_option( 'resize_larger' ) ) {
$this->resizing_threshold = max( 0, get_imagify_option( 'resize_larger_w' ) );
}
return $this->resizing_threshold;
}
/**
* Tell if the optimization process is allowed to backup in this context.
*
* @since 1.9
* @author Grégory Viguier
*
* @return bool
*/
public function can_backup() {
$this->can_backup = get_imagify_option( 'backup' );
return $this->can_backup;
}
/**
* Get user capacity to operate Imagify in this context.
*
* @since 1.9
* @author Grégory Viguier
*
* @param string $describer Capacity describer. Possible values are like 'manage', 'bulk-optimize', 'manual-optimize', 'auto-optimize'.
* @return string
*/
public function get_capacity( $describer ) {
static $edit_attachment_cap;
switch ( $describer ) {
case 'manage':
$capacity = imagify_is_active_for_network() ? 'manage_network_options' : 'manage_options';
break;
case 'bulk-optimize':
$capacity = 'manage_options';
break;
case 'optimize':
case 'restore':
// This is a generic capacity: don't use it unless you have no other choi