GC: drawOval(int x, int y, int width, int height) : GC « org.eclipse.swt.graphics « Java by API






  1. Java by API
  2. org.eclipse.swt.graphics
  3. GC

GC: drawOval(int x, int y, int width, int height)


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

public class MainClass {

  public static void main(String[] a) {

    final Display d = new Display();
    final Shell shell = new Shell(d);

    shell.setSize(250, 200);

    shell.setLayout(new FillLayout());

    // Create a canvas
    Canvas canvas = new Canvas(shell, SWT.NONE);

    canvas.addPaintListener(new PaintListener() {
      public void paintControl(PaintEvent e) {

        e.gc.setForeground(e.display.getSystemColor(SWT.COLOR_BLACK));
        e.gc.drawOval(100, 20, 100, 50);
        
      }
    });    
    
    
    shell.open();
    while (!shell.isDisposed()) {
      if (!d.readAndDispatch())
        d.sleep();
    }
    d.dispose();
  }
}








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