| 提交 | 用户 | 时间 | ||
| ce910c | 1 | package com.netsdk.common; |
| H | 2 | |
| 3 | import java.awt.Color; | |
| 4 | import java.awt.Graphics; | |
| 5 | import java.awt.Image; | |
| 6 | ||
| 7 | import javax.swing.JPanel; | |
| 8 | ||
| 9 | /* | |
| 10 | * 带背景的绘图面板 | |
| 11 | */ | |
| 12 | public class PaintPanel extends JPanel { | |
| 13 | private static final long serialVersionUID = 1L; | |
| 14 | private Image image; //背景图片 | |
| 15 | ||
| 16 | public PaintPanel() { | |
| 17 | super(); | |
| 18 | setOpaque(true); //非透明 | |
| 19 | setLayout(null); | |
| 20 | setBackground(Color.GRAY); | |
| 21 | setForeground(new Color(0, 0, 0)); | |
| 22 | } | |
| 23 | ||
| 24 | //设置图片的方法 | |
| 25 | public void setImage(Image image) { | |
| 26 | this.image = image; | |
| 27 | } | |
| 28 | ||
| 29 | protected void paintComponent(Graphics g) { //重写绘制组件外观 | |
| 30 | if(image != null) { | |
| 31 | g.drawImage(image, 0, 0, getWidth(), getHeight(), this);//绘制图片与组件大小相同 | |
| 32 | } | |
| 33 | super.paintComponent(g); // 执行超类方法 | |
| 34 | } | |
| 35 | } | |
