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Categories / Java Tutorial / SWT 2D Graphics

 

Draw string and display newlines and tabs as nonprintable characters

void drawString(String string,  int x,  int y,  boolean isTransparent) If isTransparent is true, GC will use a transparent background, allowing the original background to show through. Otherwise, GC will use an opaque background. 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 DrawStringTransparent {   public static void main(String[] args) {     final Display display = new Display();     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) {         e.gc.drawString("www.\nrntsoft\t.com", 5, 5, true);         e.gc.drawString("www.\nrntsoft\t.com", 5, 55, false);       }     });     shell.open();     while (!shell.isDisposed()) {       if (!display.readAndDispatch()) {         display.sleep();       }     }     display.dispose();   } }