Exploring Iterated Function Systems

context.java

/** Perform an {@link Consumer action} with a disposable {@link Graphics2D graphics context}. */
public static void context(BiConsumer<Throwable,String> handler,
    Graphics graphics, Consumer<Graphics2D> action) {
  Graphics2D g = (Graphics2D) graphics.create();
  try {
    action.accept(g);
  } catch (Throwable t) {
    handler.accept(t, "Error executing graphics context action");
  } finally {
    g.dispose();
  }
}