Classes/Service/Rendering.php
public function renderRichText($richText)
    {
        if (strlen($richText) < 1) {
            return '';
        }

        $templatePath = $this->getTemplatePathAndFilename('RichText');

        $view = $this->createView($templatePath);
        $view->assign('richText', $richText);
        return $view->render($templatePath);
    }
public function renderRichText($richText)
    {
        if (strlen($richText) < 1) {
            return '';
        }

        $templatePath = $this->getTemplatePathAndFilename('RichText');

        $view = $this->createView($templatePath);
        $view->assign('richText', $richText);
        return $view->render($templatePath);
    }
Renders the content of a RTE field.

@param string $richText
@return string