图片转字符串再另存为图片

来源：互联网发布：日文图片翻译软件编辑：程序博客网时间：2024/05/22 02:20
http://blog.csdn.net/xxb2008
import javax.swing.*;import javax.swing.text.*;import java.awt.*;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import java.awt.event.WindowAdapter;import java.awt.event.WindowEvent;import java.io.*;class MyDefaultEditorKit extends StyledEditorKit {    @Override    public void read(Reader in, Document doc, int pos) throws IOException, BadLocationException {        char[] buff = new char[4096];        int nch;        AttributeSet attr = getInputAttributes();        while ((nch = in.read(buff, 0, buff.length)) != -1) {            doc.insertString(pos, new String(buff, 0, nch), attr);            pos += nch;        }    }    @Override    public void write(Writer out, Document doc, int pos, int len) throws IOException, BadLocationException {        if ((pos < 0) || ((pos + len) > doc.getLength())) {            throw new BadLocationException("DefaultEditorKit.write", pos);        }        Segment data = new Segment();        int nleft = len;        int offs = pos;        while (nleft > 0) {            int n = Math.min(nleft, 4096);            doc.getText(offs, n, data);            out.write(data.array, data.offset, data.count);            offs += n;            nleft -= n;        }        out.flush();    }}class MainFrame extends JFrame {    JTextPane textPane;    JLabel jLabel;    JButton button;    MainFrame() {        setLayout(new BorderLayout());        button = new JButton("写图片");        jLabel = new JLabel();        textPane = new JTextPane();        textPane.setEditorKit(new MyDefaultEditorKit());        JPanel jPanel = new JPanel();        jPanel.add(textPane);        //jPanel.add(jLabel);        JScrollPane jScrollPane = new JScrollPane(jPanel);        add(button, BorderLayout.NORTH);        add(jScrollPane, BorderLayout.CENTER);        addWindowListener(new WindowAdapter() {            @Override            public void windowClosing(WindowEvent e) {                System.exit(0);            }        });    }}public class ByteToChar {    public static void main(String[] args) {        try {            final MainFrame frame = new MainFrame();            //读图片，放入文本框http://blog.csdn.net/xxb2008            File file = new File("C:\\Users\\feifei\\Desktop\\垃圾\\图片\\1.jpg");            BufferedInputStream bis = new BufferedInputStream(new FileInputStream(file));            byte[] imgByte = new byte[(int) file.length()];            bis.read(imgByte);            String toStr = BytesToStr(imgByte);            frame.textPane.setText(toStr);            frame.jLabel.setText(toStr);            frame.button.addActionListener(new ActionListener() {                @Override                public void actionPerformed(ActionEvent e) {                    try {                        //写图片，文本框取值                        String imgStr = frame.textPane.getText();                        // imgStr = frame.jLabel.getText();                        File newFile = new File("C:\\Users\\feifei\\Desktop\\垃圾\\图片\\2.jpg");                        BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(newFile));                        bos.write(StrToBytes(imgStr));                        bos.flush();                        bos.close();                    } catch (IOException e1) {                        e1.printStackTrace();                    }                }            });            frame.setSize(400, 300);            frame.setVisible(true);        } catch (Exception e) {            e.printStackTrace();        }    }    public static String BytesToStr(byte[] target) {        StringBuffer buf = new StringBuffer();        for (int i = 0, j = target.length; i < j; i++) {            buf.append((char) target[i]);        }        return buf.toString();    }    public static byte[] StrToBytes(String str) {        byte[] buf = new byte[str.length()];        for (int i = 0; i < str.length(); i++) {            buf[i] = (byte) str.charAt(i);        }        return buf;    }}
http://blog.csdn.net/xxb2008
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