/**
* render
*
* @since 2.2.0
*
* @param mixed $src
* @param array $options
*
* @return string
*/
public static function render($src = null, $options = array())
{
$output = '';
/* device related images */
if (is_array($src)) {
/* process source */
foreach ($src as $key => $value) {
if (in_array($key, self::$_config['device']) && Registry::get('my' . ucfirst($key))) {
$src = $value;
}
}
}
/* collect output */
if (file_exists($src)) {
$imageElement = new Element('img', array('src' => self::$_config['placeholder'], 'class' => self::$_config['className']['image'] . ' ' . $options['className'], 'alt' => $options['alt']));
/* collect output */
$output = $imageElement->copy()->attr('data-src', $src);
/* placeholder */
if (self::$_config['placeholder']) {
/* calculate image ratio */
$imageDimensions = getimagesize($src);
$imageRatio = $imageDimensions[1] / $imageDimensions[0] * 100;
/* placeholder */
$placeholderElement = new Element('div', array('class' => self::$_config['className']['placeholder'], 'style' => 'padding-bottom:' . $imageRatio . '%'));
/* collect output */
$output = $placeholderElement->html($output);
}
/* noscript fallback */
$output .= '<noscript>' . $imageElement . '</noscript>';
}
return $output;
}
/**
* testCopy
*
* @since 2.2.0
*/
public function testCopy()
{
/* setup */
$element = new Element('a');
$elementCopy = $element->copy()->attr('href', 'test');
/* expect and actual */
$expect = $element;
$actual = $elementCopy;
/* compare */
$this->assertNotEquals($expect, $actual);
}