| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.apache.felix.example.servicebased.host; |
| |
| import java.awt.*; |
| |
| import javax.swing.*; |
| |
| import org.apache.felix.example.servicebased.host.service.SimpleShape; |
| |
| /** |
| * Simple component class used to represent a drawn shape. This component |
| * uses a shape service to paint its contents. |
| **/ |
| public class ShapeComponent extends JComponent |
| { |
| private static final long serialVersionUID = 1L; |
| private DrawingFrame m_frame; |
| private String m_shapeName; |
| |
| /** |
| * Construct a component for the specified drawing frame with the specified |
| * named shape. The component acquires the named shape from the drawing |
| * frame at the time of painting, which enables it to account for |
| * service dynamism. |
| * @param frame The drawing frame associated with the component. |
| * @param shapeName The name of the shape to draw. |
| **/ |
| public ShapeComponent(DrawingFrame frame, String shapeName) |
| { |
| m_frame = frame; |
| m_shapeName = shapeName; |
| } |
| |
| /** |
| * Paints the contents of the component. The component acquires the named |
| * shape from the drawing frame at the time of painting, which enables it |
| * to account for service dynamism. |
| * @param g The graphics object to use for painting. |
| **/ |
| protected void paintComponent(Graphics g) |
| { |
| super.paintComponent(g); |
| Graphics2D g2 = (Graphics2D) g; |
| g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, |
| RenderingHints.VALUE_ANTIALIAS_ON); |
| SimpleShape shape = m_frame.getShape(m_shapeName); |
| shape.draw(g2, new Point(getWidth()/2, getHeight()/2)); |
| } |
| } |