zimagebrush.java

用Java写的报表.功能如下: 0.内建网络打印,网络预览功能！ 1.文件操作。包括url 指定的文件。 2.全功能打印支持。包括打印预览。 3.Undo 和 redo。 4.合并单元格。 5.Cel

/*
 * Copyright 2002 EZCell , Inc. All rights reserved.
 * Version  1.0.
 * Author   W.John
 */
package ezcell;

import java.awt.Graphics2D;
import java.awt.TexturePaint;
import java.awt.geom.Rectangle2D;
import java.awt.image.BufferedImage;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.Serializable;
import javax.swing.ImageIcon;
import javax.swing.JPanel;


/**
 * DOCUMENT ME!
 *
 * @version 1.00
 * @author W.John
 */
public class ZImageBrush extends ZBrush implements Cloneable, Serializable {
    static private JPanel loader;
    private String fileName;
    transient private BufferedImage bi;

    ZImageBrush(String fileName) {
        this.fileName = fileName;
        loadImage();
    }

    /**
     *
     * @param g2
     * @param rect
     */
    public void setPaint(Graphics2D g2, ZRect rect) {
        g2.setPaint(new TexturePaint(bi, new Rectangle2D.Float(rect.left, rect.top, rect.getWidth(), rect.getHeight())));
    }

    /**
     *
     * @return
     */
    public String getPath() {
        return fileName;
    }

    /**
     *
     * @return
     */
    public Object clone() {
        ZImageBrush obj = null;

        try {
            obj = (ZImageBrush) super.clone();
            obj.bi = bi;
        } catch (Exception e) {
        }

        return obj;
    }

    /**
     *
     * @param g2
     * @param rect
     */
    public void fill(Graphics2D g2, ZRect rect) {
        setPaint(g2, rect);
        g2.fillRect(rect.left, rect.top, rect.getWidth(), rect.getHeight());
    }

    /**
     */
    private void loadImage() {
        ImageIcon icon = new ImageIcon(fileName);

        bi = new BufferedImage(icon.getIconWidth(), icon.getIconHeight(), BufferedImage.TYPE_INT_RGB);

        Graphics2D g2 = bi.createGraphics();
        g2.drawImage(icon.getImage(), null, null);
    }

    /**
     *
     * @param ois
     *
     * @throws ClassNotFoundException
     * @throws IOException
     */
    private void readObject(ObjectInputStream ois) throws ClassNotFoundException, IOException {
        ois.defaultReadObject();
        loadImage();
    }

    /**
     *
     * @param oos
     *
     * @throws IOException
     */
    private void writeObject(ObjectOutputStream oos) throws IOException {
        oos.defaultWriteObject();
    }
}