import uwcse.graphics.*; // uw graphics library

/**
 * CSC 142 - Lab 1<br>
 * Display a circle in a graphics window
 */

public class WindowWithCircle {
	// Instance fields
	private GWindow window; // graphics window
	private Oval circle; // circle in the window

	/**
	 * Construct a graphics window with a circle
	 */
	public WindowWithCircle() {
		// Construct the window
		window = new GWindow();
		// Construct the circle
		circle = new Oval();
		// Put the circle in the window
		window.add(circle);
		// Exit the application when closing the window
		window.setExitOnClose();
	}

	/**
	 * Display the circle at location (50,50) in the window, counted in pixels
	 * from the top left corner of the window pane of the window.<br>
	 * Color the circle in red.<br>
	 */
	public void modifyCircle() {
		// Place the circle at location (50,50)
		// The upper left corner of the bounding box of the circle
		// is at (50,50)
		circle.moveTo(50, 50);
		// Color the circle in red
		// note: by writing import java.awt.Color at the top of the program
		// we could have written Color.red instead.
		circle.setColor(java.awt.Color.red);
		// Show the modifications
		window.doRepaint();
	}

	/**
	 * Entry point of the program
	 */
	public static void main(String[] args) {
		WindowWithCircle w = new WindowWithCircle();
		w.modifyCircle();
	}

}