import org.eclipse.swt.graphics.Device; import org.eclipse.swt.widgets.Display; import org.eclipse.swt.widgets.Shell; public class DeviceDPI { public static void main(String[] args) { final Display display = new Display(); final Shell shell = new Shell(display); Device device = shell.getDisplay(); System.out.println("getDepth(): " + device.getDepth()); System.out.println("getDPI(): " + device.getDPI()); while (!shell.isDisposed()) { if (!display.readAndDispatch()) { display.sleep(); } } display.dispose(); } }