Java tutorial
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package org.dgl.imgstopdf; import com.lowagie.text.*; import com.lowagie.text.pdf.*; import java.io.File; import java.io.FileOutputStream; import java.util.ArrayList; import javax.swing.JFileChooser; import javax.swing.JOptionPane; import javax.swing.filechooser.FileNameExtensionFilter; /** * * @author Administrator */ public class Main { public static void main(String[] args) { Document document = new Document(); ArrayList<String> input; String output = ".\\out.pdf"; try { FileOutputStream fos = new FileOutputStream(output); PdfWriter pdfWriter = PdfWriter.getInstance(document, fos); Image image; JFileChooser fc = new JFileChooser(".\\"); fc.setMultiSelectionEnabled(true); FileNameExtensionFilter filter = new FileNameExtensionFilter("IMAGES", "jpg", "jpeg", "gif", "png", "bmp"); fc.setFileFilter(filter); int userOption = fc.showOpenDialog(null); if (userOption == JFileChooser.APPROVE_OPTION) { input = new ArrayList<String>(); for (File f : fc.getSelectedFiles()) { input.add(f.getAbsolutePath()); } if (fc.getSelectedFile() != null) { input.add(fc.getSelectedFile().getAbsolutePath()); } } else { return; } if (input.size() == 0) { return; } pdfWriter.open(); document.open(); for (Object fileName : input.toArray()) { image = Image.getInstance((String) fileName); float scaler = ((document.getPageSize().getWidth() - document.leftMargin() - document.rightMargin()) / image.getWidth()) * 100; image.scalePercent(scaler); document.add(image); } document.close(); pdfWriter.close(); JOptionPane.showMessageDialog(null, "OK", "", JOptionPane.INFORMATION_MESSAGE); } catch (Exception ex) { ex.printStackTrace(); JOptionPane.showMessageDialog(null, ex.toString(), "", JOptionPane.ERROR_MESSAGE); } } }