package helloWorld;

import org.eclipse.swt.SWT;
import org.eclipse.swt.events.PaintEvent;
import org.eclipse.swt.events.PaintListener;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.GC;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Canvas;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Group;
import org.eclipse.swt.widgets.Shell;

public class CanvasDemo {

	public static void main(String[] args) {
		// TODO Auto-generated method stub

		Display display = new Display();
		Shell shell = new Shell(display);
		shell.setLayout(new FillLayout());


		Group group = new Group(shell, SWT.SHADOW_ETCHED_IN);
		group.setText("My new masterpeice");


		group.setLayout(new FillLayout());
		Canvas canvas = new Canvas(group, SWT.NO_REDRAW_RESIZE);


		canvas.addPaintListener(new PaintListener() {

			@Override
			public void paintControl(PaintEvent e) {
				// TODO Auto-generated method stub
				GC gc = e.gc;

				Display display = e.display;
				Color Cyan = display.getSystemColor(SWT.COLOR_DARK_CYAN);
				gc.setForeground(Cyan);
				gc.drawLine(100, 100, 300, 300);
				gc.drawPolygon(new int[] {5, 10, 57, 67, 67, 67} );





			}
		});










		shell.open();
		while(!shell.isDisposed())
			if (!display.readAndDispatch())
				display.sleep();


		display.dispose();


	}

}