import org.eclipse.draw2d.ColorConstants;
import org.eclipse.draw2d.Figure;
import org.eclipse.draw2d.Graphics;
import org.eclipse.draw2d.IFigure;
import org.eclipse.draw2d.LightweightSystem;
import org.eclipse.draw2d.XYLayout;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;

public class DrawTesting {
	public static void main(String[] args) {
		final Display display = new Display();
		Shell shell = new Shell(display);
		shell.setSize(250, 300);
		shell.open();

		LightweightSystem lws = new LightweightSystem(shell);
		
		IFigure eFigure = new Figure() {
			public void paintFigure(Graphics graphics) {
				graphics.pushState();
				graphics.setAlpha(128);
				
				int scaleFactor = 64;
				graphics.scale(1f/scaleFactor);
				graphics.setBackgroundColor(ColorConstants.red);

				// This does not draw oval properly due to scaling
				// GC->drawOval ->checkGC() at line # 321
				graphics.drawOval(10 * scaleFactor, 10 * scaleFactor, 200 * scaleFactor, 200 * scaleFactor);
				graphics.popState();

				graphics.pushState();
				graphics.setAlpha(128);
				
				graphics.setBackgroundColor(ColorConstants.red);
				graphics.fillRectangle(10, 10, 200, 200);
				
				graphics.setBackgroundColor(ColorConstants.yellow);
				
				// This poly does not draw at the right position
				// GC->fillPolygon 
				graphics.fillPolygon(new int[]{
						10, 10, 
						210, 10, 
						210, 210,
						10, 210});
				
				graphics.popState();
			};
		};

		eFigure.setLayoutManager(new XYLayout());
		lws.setContents(eFigure);
		
		while (!shell.isDisposed()) {
			if (!display.readAndDispatch())
				display.sleep();
		}
		display.dispose();
	}
}