| /******************************************************************************* |
| * Copyright (c) 2000, 2006 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.swt.examples.graphics; |
| |
| import org.eclipse.swt.*; |
| import org.eclipse.swt.graphics.*; |
| |
| public class BlackHoleTab extends AnimatedGraphicsTab { |
| |
| int size = 1; |
| |
| public BlackHoleTab(GraphicsExample example) { |
| super(example); |
| } |
| |
| public String getText() { |
| return GraphicsExample.getResourceString("BlackHole"); //$NON-NLS-1$ |
| } |
| |
| public String getDescription() { |
| return GraphicsExample.getResourceString("BlackHoleDescription"); //$NON-NLS-1$ |
| } |
| |
| public void next(int width, int height) { |
| if (size > width * 3 / 2) size = 0; |
| else size += 10; |
| } |
| |
| public void paint(GC gc, int width, int height) { |
| Device device = gc.getDevice(); |
| gc.setBackground(device.getSystemColor(SWT.COLOR_BLACK)); |
| gc.fillOval((width - size) / 2, (height - size) / 2, size, size); |
| } |
| } |