Mega Code Archive
How to draw directly on an SWT Control
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import java.util.ResourceBundle;
import org.eclipse.swt.events.DisposeEvent;
import org.eclipse.swt.events.DisposeListener;
import org.eclipse.swt.events.PaintEvent;
import org.eclipse.swt.events.PaintListener;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.GC;
import org.eclipse.swt.graphics.Rectangle;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
/*
* This example builds on HelloWorld1 and demonstrates how to draw directly
* on an SWT Control.
*/
public class HelloWorld5 {
public static void main(String[] args) {
Display display = new Display();
Shell shell = new HelloWorld5().open(display);
while (!shell.isDisposed()) {
if (!display.readAndDispatch())
display.sleep();
}
display.dispose();
}
public Shell open(Display display) {
final Color red = new Color(display, 0xFF, 0, 0);
final Shell shell = new Shell(display);
shell.addPaintListener(new PaintListener() {
public void paintControl(PaintEvent event) {
GC gc = event.gc;
gc.setForeground(red);
Rectangle rect = shell.getClientArea();
gc.drawRectangle(rect.x + 10, rect.y + 10, rect.width - 20,
rect.height - 20);
gc.drawString("Hello_world", rect.x + 20,
rect.y + 20);
}
});
shell.addDisposeListener(new DisposeListener() {
public void widgetDisposed(DisposeEvent e) {
red.dispose();
}
});
shell.open();
return shell;
}
}
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