protected function _border($size, $color = null)
{
extract(parent::_border($size, $color));
$image = '"' . $this->image_temp . '"';
$color = $this->create_color($color, 100);
$command = $image . ' -compose copy -bordercolor ' . $color . ' -border ' . $size . 'x' . $size . ' ' . $image;
$this->exec('convert', $command);
$this->clear_sizes();
}
protected function _border($size, $color = null)
{
extract(parent::_border($size, $color));
$this->imagick->borderImage($this->create_color($color, 100), $size, $size);
}