Пример #1
0
 /** Restores a serialized object. */
 private void readObject(ObjectInputStream s) throws ClassNotFoundException, IOException {
   s.defaultReadObject();
   valueDrawer = defaultValueDrawer;
 }
Пример #2
0
  public void actionPerformed(ActionEvent e) {
    System.out.println("actionPerformed");
    if (e.getSource() == pen) // 画笔
    {
      System.out.println("pen");
      toolFlag = 0;
    }

    if (e.getSource() == eraser) // 橡皮
    {
      System.out.println("eraser");
      toolFlag = 1;
    }

    if (e.getSource() == clear) // 清除
    {
      System.out.println("clear");
      toolFlag = 2;
      paintInfo.removeAllElements();
      repaint();
    }

    if (e.getSource() == drLine) // 画线
    {
      System.out.println("drLine");
      toolFlag = 3;
    }

    if (e.getSource() == drCircle) // 画圆
    {
      System.out.println("drCircle");
      toolFlag = 4;
    }

    if (e.getSource() == drRect) // 画矩形
    {
      System.out.println("drRect");
      toolFlag = 5;
    }

    if (e.getSource() == colchooser) // 调色板
    {
      System.out.println("colchooser");
      Color newColor = JColorChooser.showDialog(this, "我的调色板", c);
      c = newColor;
    }

    if (e.getSource() == openPic) // 打开图画
    {

      openPicture.setVisible(true);

      if (openPicture.getFile() != null) {
        int tempflag;
        tempflag = toolFlag;
        toolFlag = 2;
        repaint();

        try {
          paintInfo.removeAllElements();
          File filein = new File(openPicture.getDirectory(), openPicture.getFile());
          picIn = new FileInputStream(filein);
          VIn = new ObjectInputStream(picIn);
          paintInfo = (Vector) VIn.readObject();
          VIn.close();
          repaint();
          toolFlag = tempflag;

        } catch (ClassNotFoundException IOe2) {
          repaint();
          toolFlag = tempflag;
          System.out.println("can not read object");
        } catch (IOException IOe) {
          repaint();
          toolFlag = tempflag;
          System.out.println("can not read file");
        }
      }
    }

    if (e.getSource() == savePic) // 保存图画
    {
      savePicture.setVisible(true);
      try {
        File fileout = new File(savePicture.getDirectory(), savePicture.getFile());
        picOut = new FileOutputStream(fileout);
        VOut = new ObjectOutputStream(picOut);
        VOut.writeObject(paintInfo);
        VOut.close();
      } catch (IOException IOe) {
        System.out.println("can not write object");
      }
    }
  }