Java Tutorial/PDF/to PDF

Create Pdf document from JTable

import java.awt.BorderLayout;
import java.awt.Graphics2D;
import java.io.FileOutputStream;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JTable;
import com.lowagie.text.Document;
import com.lowagie.text.pdf.PdfContentByte;
import com.lowagie.text.pdf.PdfTemplate;
import com.lowagie.text.pdf.PdfWriter;
public class MainClass extends JFrame {
  private JTable table;
  public static void main(String[] args) throws Exception {
    MainClass frame = new MainClass();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.pack();
    frame.setVisible(true);
  }
  public MainClass() throws Exception {
    getContentPane().setLayout(new BorderLayout());
    Object[][] data = { { "A", "B", "C", new Integer(5), new Boolean(false) },
        { "D", "E", "F", new Integer(3), new Boolean(true) } };
    String[] columnNames = { "First Name", "Last Name", "Sport", "# of Years", "Vegetarian" };
    table = new JTable(data, columnNames);
    JPanel tPanel = new JPanel(new BorderLayout());
    tPanel.add(table.getTableHeader(), BorderLayout.NORTH);
    tPanel.add(table, BorderLayout.CENTER);
    getContentPane().add(tPanel, BorderLayout.CENTER);
    Document document = new Document();
    PdfWriter writer;
    writer = PdfWriter.getInstance(document, new FileOutputStream("my_jtable_shapes.pdf"));
    // writer = PdfWriter.getInstance(document, new
    // FileOutputStream("my_jtable_fonts.pdf"));
    document.open();
    PdfContentByte cb = writer.getDirectContent();
    PdfTemplate tp = cb.createTemplate(500, 500);
    Graphics2D g2;
    g2 = tp.createGraphicsShapes(500, 500);
    // g2 = tp.createGraphics(500, 500);
    table.print(g2);
    g2.dispose();
    cb.addTemplate(tp, 30, 300);
    // step 5: we close the document
    document.close();
  }
}

JTextPane To Pdf

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Graphics2D;
import java.awt.Insets;
import java.awt.Rectangle;
import java.awt.Toolkit;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.awt.geom.AffineTransform;
import java.io.FileOutputStream;
import javax.swing.Action;
import javax.swing.JButton;
import javax.swing.JEditorPane;
import javax.swing.JFrame;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTextPane;
import javax.swing.text.MutableAttributeSet;
import javax.swing.text.SimpleAttributeSet;
import javax.swing.text.StyleConstants;
import javax.swing.text.StyledEditorKit;
import com.lowagie.text.Document;
import com.lowagie.text.pdf.DefaultFontMapper;
import com.lowagie.text.pdf.PdfContentByte;
import com.lowagie.text.pdf.PdfWriter;
public class MainClass {
  int inch = Toolkit.getDefaultToolkit().getScreenResolution();
  float pixelToPoint = (float) 72 / (float) inch;
  JTextPane textPane;
  public MainClass() {
    JFrame frame = new JFrame();
    textPane = new JTextPane();
    JScrollPane scrollPane = new JScrollPane(textPane);
    JPanel north = new JPanel();
    JButton print = new JButton("Print");
    print.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent ae) {
        paintToPDF(textPane);
      }
    });
    JMenuBar menu = new JMenuBar();
    JMenu styleMenu = new JMenu();
    styleMenu.setText("Style");
    Action boldAction = new BoldAction();
    boldAction.putValue(Action.NAME, "Bold");
    styleMenu.add(boldAction);
    Action italicAction = new ItalicAction();
    italicAction.putValue(Action.NAME, "Italic");
    styleMenu.add(italicAction);
    menu.add(styleMenu);
    north.add(menu);
    north.add(print);
    frame.getContentPane().setLayout(new BorderLayout());
    frame.getContentPane().add(north, BorderLayout.NORTH);
    frame.getContentPane().add(scrollPane, BorderLayout.CENTER);
    frame.setSize(800, 500);
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.setVisible(true);
  }
  public static void main(String[] args) {
    new MainClass();
  }
  public void paintToPDF(JTextPane ta) {
    try {
      ta.setBounds(0, 0, (int) convertToPixels(612 - 58), (int) convertToPixels(792 - 60));
      Document document = new Document();
      FileOutputStream fos = new FileOutputStream("2.pdf");
      PdfWriter writer = PdfWriter.getInstance(document, fos);
      document.setPageSize(new com.lowagie.text.Rectangle(612, 792));
      document.open();
      PdfContentByte cb = writer.getDirectContent();
      cb.saveState();
      cb.concatCTM(1, 0, 0, 1, 0, 0);
      DefaultFontMapper mapper = new DefaultFontMapper();
      mapper.insertDirectory("c:/windows/fonts");
      Graphics2D g2 = cb.createGraphics(612, 792, mapper, true, .95f);
      AffineTransform at = new AffineTransform();
      at.translate(convertToPixels(20), convertToPixels(20));
      at.scale(pixelToPoint, pixelToPoint);
      g2.transform(at);
      g2.setColor(Color.WHITE);
      g2.fill(ta.getBounds());
      Rectangle alloc = getVisibleEditorRect(ta);
      ta.getUI().getRootView(ta).paint(g2, alloc);
      g2.setColor(Color.BLACK);
      g2.draw(ta.getBounds());
      g2.dispose();
      cb.restoreState();
      document.close();
      fos.flush();
      fos.close();
    } catch (Exception e) {
      e.printStackTrace();
    }
  }
  public float convertToPoints(int pixels) {
    return (float) (pixels * pixelToPoint);
  }
  public float convertToPixels(int points) {
    return (float) (points / pixelToPoint);
  }
  protected Rectangle getVisibleEditorRect(JTextPane ta) {
    Rectangle alloc = ta.getBounds();
    if ((alloc.width > 0) && (alloc.height > 0)) {
      alloc.x = alloc.y = 0;
      Insets insets = ta.getInsets();
      alloc.x += insets.left;
      alloc.y += insets.top;
      alloc.width -= insets.left + insets.right;
      alloc.height -= insets.top + insets.bottom;
      return alloc;
    }
    return null;
  }
}
class BoldAction extends StyledEditorKit.StyledTextAction {
  private static final long serialVersionUID = 9174670038684056758L;
  public BoldAction() {
    super("font-bold");
  }
  public String toString() {
    return "Bold";
  }
  public void actionPerformed(ActionEvent e) {
    JEditorPane editor = getEditor(e);
    if (editor != null) {
      StyledEditorKit kit = getStyledEditorKit(editor);
      MutableAttributeSet attr = kit.getInputAttributes();
      boolean bold = (StyleConstants.isBold(attr)) ? false : true;
      SimpleAttributeSet sas = new SimpleAttributeSet();
      StyleConstants.setBold(sas, bold);
      setCharacterAttributes(editor, sas, false);
    }
  }
}
class ItalicAction extends StyledEditorKit.StyledTextAction {
  private static final long serialVersionUID = -1428340091100055456L;
  public ItalicAction() {
    super("font-italic");
  }
  public String toString() {
    return "Italic";
  }
  public void actionPerformed(ActionEvent e) {
    JEditorPane editor = getEditor(e);
    if (editor != null) {
      StyledEditorKit kit = getStyledEditorKit(editor);
      MutableAttributeSet attr = kit.getInputAttributes();
      boolean italic = (StyleConstants.isItalic(attr)) ? false : true;
      SimpleAttributeSet sas = new SimpleAttributeSet();
      StyleConstants.setItalic(sas, italic);
      setCharacterAttributes(editor, sas, false);
    }
  }
}