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Get an ImageData instance from an existing Image

ImageData data = myImage.getImageData(); import org.eclipse.swt.SWT; import org.eclipse.swt.events.PaintEvent; import org.eclipse.swt.events.PaintListener; import org.eclipse.swt.graphics.Image; import org.eclipse.swt.graphics.ImageData; 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 ImageDataFromImage {   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, "yourFile.gif");         ImageData data = image.getImageData();         System.out.println(data.height);                  e.gc.drawImage(image, 10, 10);         image.dispose();       }     });     shell.open();     while (!shell.isDisposed()) {       if (!display.readAndDispatch()) {         display.sleep();       }     }     display.dispose();   } }