//! Example program drawing circles on a page.
extern crate pdfpdf;
use ;
use PI;
/// Create a `circles.pdf` file, with a single page containg a circle
/// stroked in black, overwritten with a circle in a finer yellow
/// stroke.
/// The black circle is drawn using the `Canvas.circle` method,
/// which approximates a circle with four bezier curves.
/// The yellow circle is drawn as a 200-sided polygon.