/**
* Don't increase the size of an image, only decrease
*
* @param bool $val
*/
public function constrainOnly($val)
{
if ($this->isActive()) {
$this->_imageObject->constrainOnly($val);
}
return $this;
}
/**
* Set the image background colour
*
* @param array $rgb
*/
public function backgroundColor($rgb = null)
{
if ($this->isActive()) {
$this->_settings['background_color'] = is_array($rgb) ? implode(',', $rgb) : $rgb;
$this->_imageObject->backgroundColor($rgb);
}
return $this;
}
