/**
* Render image item.
* @return string
*/
protected function renderImage()
{
$thumb = $this->thumb;
if ($thumb === null) {
$thumb = $this->file;
}
list($w, $h) = getimagesize(Yii::getAlias('@webroot') . $thumb);
list($width, $height) = ImageFile::getBounds($w, $h, $this->width, $this->height);
$left = ($this->width - $width) / 2;
$top = ($this->height - $height) / 2;
$style = "width: {$width}px; height: {$height}px; left: {$left}px; top: {$top}px";
$image = Html::img($thumb, ['style' => $style]);
return Html::a($image, $this->file, ['class' => 'uploadimage-image', 'style' => "width: {$this->width}px; height: {$this->height}px;"]);
}
