backgrounddemo.java

来自「全面实现ilog地功能,没有使用第三方lib.」· Java 代码 · 共 63 行

/*
 * This source code is part of TWaver 1.3.1
 *
 * SERVA Software PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 * Copyright 2000-2005 SERVA Software, Inc. All rights reserved.
 */

package demo.network;

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics2D;
import java.awt.Rectangle;
import java.awt.TexturePaint;
import java.awt.image.BufferedImage;

import twaver.AlarmSeverity;
import twaver.Node;
import twaver.TDataBox;
import twaver.TWaverConst;
import twaver.background.TextureBackground;
import twaver.network.TNetwork;
import demo.DemoPane;

public class BackgroundDemo extends DemoPane {
    TDataBox box = new TDataBox();
    TNetwork network = new TNetwork(box);

    public BackgroundDemo() {
        this.add(network, BorderLayout.CENTER);
        BufferedImage bufferedImage = new BufferedImage(150, 50, BufferedImage.TYPE_INT_ARGB);
        Graphics2D g2d = bufferedImage.createGraphics();
        try {
            Font font = new Font("Forte", Font.BOLD, 20);
            g2d.setFont(font);
            g2d.setColor(Color.white);
            g2d.drawString("SERVA TWaver", 8, 30);
            g2d.setColor(Color.gray);
            g2d.drawString("SERVA TWaver", 9, 31);
        }
        finally {
            g2d.dispose();
        }
        // Create a texture paint from the buffered image
        Rectangle rect = new Rectangle(0, 0, 150, 50);
        TexturePaint texture = new TexturePaint(bufferedImage, rect);
        network.setNetworkBackground(new TextureBackground(texture));

        Node node = new Node();
        node.setLocation(200, 100);
        box.addElement(node);
        node.getAlarmState().addNewAlarm(AlarmSeverity.CRITICAL);
    }

    public String getTitle() {
        return "Network Background Demo";
    }

    public String getHelp() {
        return "This example demonstrate how to customize network background.";
    }
}