Renderer render;
if (rend.startsWith("PARALLEL")) {
render = new ParallelRenderer();
} else if (rend.startsWith("SERIAL")) {
render = new SerialRenderer();
} else {
throw new IllegalArgumentException("Renderer type not known: " + rend);
}
AffineTransform vt = Util.zoomFit(glyphs.bounds(), width, height);