Function draw_box

25_vector_graphics/rust/cairodraw/src/main.rs:19–37

(
    context: &cairo::Context,
    x: f64,
    y: f64,
    x2: f64,
    y2: f64,
)

}

fn draw_box(
    context: &cairo::Context,
    x: f64,
    y: f64,
    x2: f64,
    y2: f64,
) -> Result<(), Box<dyn std::error::Error>> {
    context.set_source_rgb(0.258, 0.525, 0.956);
    context.new_path();
    context.move_to(x, y);
    context.line_to(x2, y);
    context.line_to(x, y2);
    context.move_to(x2, y2);
    context.line_to(x2, y);
    context.line_to(x, y2);
    context.close_path();
    context.fill()?;
    Ok(())
}

fn main() -> Result<(), Box<dyn std::error::Error>> {
    let png_output_fn = "output.png";