ImageEmpty.java Source code

Introduction

Here is the source code for ImageEmpty.java

Source

import org.eclipse.swt.SWT;
import org.eclipse.swt.events.PaintEvent;
import org.eclipse.swt.events.PaintListener;
import org.eclipse.swt.graphics.GC;
import org.eclipse.swt.graphics.Image;
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 ImageEmpty {
    public static void main(String[] args) {
        final Display display = new Display();
        final Shell shell = new Shell(display);
        shell.setText("Canvas Example");
        shell.setLayout(new FillLayout());

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

        canvas.addPaintListener(new PaintListener() {
            public void paintControl(PaintEvent e) {
                Image image = new Image(display, 300, 200);
                GC gc = new GC(image);
                gc.drawLine(10, 10, 200, 200);
                gc.dispose();

                e.gc.drawImage(image, 10, 10);
                image.dispose();
            }
        });

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