Java Tutorial/PDF/to PDF

Create Pdf document from JTable

   <source lang="java">

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();
 }

}</source>

JTextPane To Pdf

   <source lang="java">

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);
   }
 }

}</source>