printalignmentimage.java

emboss的linux版本的源代码

    return fsave;
  }

  /**
  *
  * Provide some options for the image created
  * @param showFileOptions	display file options
  *	
  */
  protected String showPrintPreviewOptions()
  {
    JPanel joptions = new JPanel();
    Box YBox = Box.createVerticalBox();
    joptions.add(YBox);

// no. of residues per line
    Box XBox = Box.createHorizontalBox();
    if(format == null)
      format = new PageFormat();
    String mres = Integer.toString(gsc.getResiduesPerLine(format));
    JLabel jres = new JLabel("Residues per line: [max:"+mres+"]");
    if(nResPerLine != 0)
      mres = Integer.toString(nResPerLine);

    JTextField maxResiduesField = new JTextField(mres);
    XBox.add(jres);
    XBox.add(maxResiduesField);
    XBox.add(Box.createHorizontalGlue());
    YBox.add(XBox);

    JOptionPane.showMessageDialog(null,joptions,"Options",
                               JOptionPane.PLAIN_MESSAGE);
  
    nResPerLine = Integer.parseInt(maxResiduesField.getText());
    return null;
  }


  /**
  *
  * Get a default page format
  * @return	page format
  *
  */
  protected PageFormat getFormatDialog()
  {
    PrinterJob printerJob = PrinterJob.getPrinterJob();
    format = new PageFormat();
    format = printerJob.pageDialog(format);
    return format;
  }
 

  /**
  *
  *
  *
  */
  protected void setAntiAlias(boolean antiAlias)
  {
    this.antiAlias = antiAlias;
  }

  /**
  *
  *  Returns a generated image 
  *  @param pageIndex	page number
  *  @return 		image
  *
  */
  private RenderedImage createAlignmentImage(int pageIndex)
  {
    int width  = (int)format.getWidth();
    int height = (int)format.getHeight();
    // Create a buffered image in which to draw
    BufferedImage bufferedImage = new BufferedImage(
                                  width,height, 
                                  BufferedImage.TYPE_INT_RGB);
    // Create a graphics contents on the buffered image
    Graphics2D g2d = bufferedImage.createGraphics();
   
    if(antiAlias)
    {
//    System.out.println("Anit-alias on!");
      g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
               RenderingHints.VALUE_ANTIALIAS_ON);
    }

    g2d.setColor(Color.white);
    g2d.fillRect(0,0,width,height);
    // Draw graphics
    if(nResPerLine == 0)
      gsc.drawSequences(g2d,format,pageIndex);
    else
      gsc.drawSequences(g2d,format,pageIndex,nResPerLine);
 
    return bufferedImage;
  }

  /**
  *
  * Display a single page print preview page
  *
  */
  protected void printSinglePagePreview()
  {
    Border loweredbevel = BorderFactory.createLoweredBevelBorder();
    Border raisedbevel = BorderFactory.createRaisedBevelBorder();
    Border compound = BorderFactory.createCompoundBorder(raisedbevel,loweredbevel);
    statusField.setBorder(compound);
    statusField.setEditable(false);
                                 
    format = new PageFormat();
    Dimension d = gsc.getImageableSize(nResPerLine);
    double imageWidth  = d.getWidth();
    double imageHeight = d.getHeight();
    Paper paper  = format.getPaper();

    paper.setSize(imageWidth,imageHeight);
    paper.setImageableArea(0.d,0.d,imageWidth,imageHeight+imageHeight);
    format.setPaper(paper);

    statusField.setText(pageIndex+"1 of 1 page(s)");
    final JFrame f = new JFrame("Print Preview");
    JPanel jpane = (JPanel)f.getContentPane();
    JScrollPane scrollPane = new JScrollPane(this);
    jpane.setLayout(new BorderLayout());
    jpane.add(scrollPane,BorderLayout.CENTER);
    jpane.add(statusField,BorderLayout.SOUTH);
 
    final Dimension dScreen = f.getToolkit().getScreenSize();
    d = new Dimension((int)format.getWidth(),(int)format.getHeight());
    setPreferredSize(d);
    d = new Dimension((int)(dScreen.getWidth()/2),
                      (int)((dScreen.getHeight()*3)/4));
    f.setSize(d);

// menus
    JMenuBar menuBar = new JMenuBar();
    JMenu filemenu = new JMenu("File");
    menuBar.add(filemenu);

// print png/jpeg
    JMenuItem printImage = new JMenuItem("Print Image File (png/jpeg)...");
    printImage.addActionListener(new ActionListener()
    {
      public void actionPerformed(ActionEvent e)
      {
        print();
      }
    });
    filemenu.add(printImage);
                                                                                                                               
// close
    filemenu.add(new JSeparator());
    JMenuItem menuClose = new JMenuItem("Close");
    menuClose.setAccelerator(KeyStroke.getKeyStroke(
              KeyEvent.VK_E, ActionEvent.CTRL_MASK));
                                                                                                                               
    filemenu.add(menuClose);
    menuClose.addActionListener(new ActionListener()
    {
      public void actionPerformed(ActionEvent e)
      {
        f.dispose();
      }
    });
    f.setJMenuBar(menuBar);
    f.setVisible(true);
  }

  /**
  *
  * Display a print preview page
  *
  */
  protected void printPreview()
  {
    Border loweredbevel = BorderFactory.createLoweredBevelBorder();
    Border raisedbevel = BorderFactory.createRaisedBevelBorder();
    Border compound = BorderFactory.createCompoundBorder(raisedbevel,loweredbevel);
    statusField.setBorder(compound);
    statusField.setEditable(false);

    if(format == null)
      format = getFormatDialog();

    showPrintPreviewOptions();
    final int npages = gsc.getNumberPages(format,nResPerLine);
    statusField.setText(pageIndex+"1 of "+npages+" page(s)");

    final JFrame f = new JFrame("Print Preview");
    JPanel jpane = (JPanel)f.getContentPane();
    JScrollPane scrollPane = new JScrollPane(this);
    jpane.setLayout(new BorderLayout());
    jpane.add(scrollPane,BorderLayout.CENTER);
    jpane.add(statusField,BorderLayout.SOUTH);

    final Dimension dScreen = f.getToolkit().getScreenSize();
    Dimension d = new Dimension((int)format.getWidth(),(int)format.getHeight());
    setPreferredSize(d);
    d = new Dimension((int)(dScreen.getWidth()/2),
                      (int)((dScreen.getHeight()*3)/4));
    f.setSize(d);

    JMenuBar menuBar = new JMenuBar();

    JMenu filemenu = new JMenu("File");
    menuBar.add(filemenu);

// print postscript
    JMenu printMenu = new JMenu("Print");
    filemenu.add(printMenu);

    JMenuItem print = new JMenuItem("Print Postscript...");
    print.addActionListener(new ActionListener()
    {
      public void actionPerformed(ActionEvent e)
      {
        new PrintAlignment(gsc);
      }
    });
    printMenu.add(print);

// print png/jpeg
    JMenuItem printImage = new JMenuItem("Print Image Files (png/jpeg)...");
    printImage.addActionListener(new ActionListener()
    {
      public void actionPerformed(ActionEvent e)
      {
        print();
      }
    });
    printMenu.add(printImage);

// close
    filemenu.add(new JSeparator());
    JMenuItem menuClose = new JMenuItem("Close");
    menuClose.setAccelerator(KeyStroke.getKeyStroke(
              KeyEvent.VK_E, ActionEvent.CTRL_MASK));

    filemenu.add(menuClose);
    menuClose.addActionListener(new ActionListener()
    {
      public void actionPerformed(ActionEvent e)
      {
        f.dispose();
      }
    });

// page selection buttons
    final JButton nextPage = new JButton(">");
    final JButton endPage = new JButton(">>");
    final JButton previousPage = new JButton("<");
    final JButton firstPage = new JButton("<<");

    menuBar.add(firstPage);
    firstPage.addActionListener(new ActionListener()
    {
      public void actionPerformed(ActionEvent e)
      {
        pageIndex = 0;
        repaint();
        previousPage.setEnabled(false);
        firstPage.setEnabled(false);
        nextPage.setEnabled(true);
        endPage.setEnabled(true);
        statusField.setText(pageIndex+1+" of "+npages+" pages");
      }
    });

    menuBar.add(previousPage);
    previousPage.addActionListener(new ActionListener()
    {
      public void actionPerformed(ActionEvent e)
      {
        pageIndex--;
        repaint();
        if(pageIndex == 0)
        {
          previousPage.setEnabled(false);
          firstPage.setEnabled(false);
        }
        nextPage.setEnabled(true);
        endPage.setEnabled(true);
        statusField.setText(pageIndex+1+" of "+npages+" pages");
      }
    });
    previousPage.setEnabled(false);
    firstPage.setEnabled(false);


    menuBar.add(nextPage);
    nextPage.addActionListener(new ActionListener()
    {
      public void actionPerformed(ActionEvent e)
      {
        pageIndex++;
        repaint();
        if(pageIndex == npages-1)
        {
          nextPage.setEnabled(false);
          endPage.setEnabled(false);
        }
        previousPage.setEnabled(true);
        firstPage.setEnabled(true);
        statusField.setText(pageIndex+1+" of "+npages+" pages");
      }
    });

    menuBar.add(endPage);
    endPage.addActionListener(new ActionListener()
    {
      public void actionPerformed(ActionEvent e)
      {
        pageIndex = npages-1;
        repaint();
        nextPage.setEnabled(false);
        endPage.setEnabled(false);
        previousPage.setEnabled(true);
        firstPage.setEnabled(true);
        statusField.setText(pageIndex+1+" of "+npages+" pages");
      }
    });
    if(pageIndex == npages-1)
    {
      nextPage.setEnabled(false);
      endPage.setEnabled(false);
    }


    f.setJMenuBar(menuBar);
    f.setVisible(true);
  }

  /**
  *
  * Write out the image 
  * @param image	image
  * @param file		file to write image to
  * @param type		type of image 
  *
  */
  private void writeImageToFile(RenderedImage image, 
                               File file, String type)
  {
    try
    {
      javax.imageio.ImageIO.write(image,type,file);
    }catch ( IOException e )
    {
      System.out.println("Java 1.4+ is required");
      e.printStackTrace();
    }
  }

}