/**
* Render the given Viewport.
* @param viewport the viewport to render
*/
protected void renderInlineViewport(InlineViewport viewport) {
Area content = viewport.getContent();
int saveBP = currentBPPosition;
currentBPPosition += viewport.getBlockProgressionOffset();
Rectangle2D contpos = viewport.getContentPosition();
if (content instanceof Image) {
renderImage((Image) content, contpos);