public function Render(Renderer $renderer)
{
$result = '';
header('Content-type: image');
$primaryKeyValues = array();
ExtractPrimaryKeyValues($primaryKeyValues, METHOD_GET);
$this->dataset->SetSingleRecordState($primaryKeyValues);
$this->dataset->Open();
if ($this->dataset->Next()) {
$result = $this->dataset->GetFieldValueByName($this->fieldName);
}
$this->dataset->Close();
if (GetApplication()->IsGETValueSet('large')) {
echo $result;
} else {
$this->TransformImage($result);
}
return '';
}
/**
* @param IDataset $dataset
* @param int $userId
* @return bool
*/
private function IsRecordOwner(IDataset $dataset, $userId)
{
return $dataset->GetFieldValueByName($this->ownerIdField) == $userId;
}
