From 6025b6016517c6d898d8957d1d7e03ba71431912 Mon Sep 17 00:00:00 2001 From: tknall Date: Fri, 1 Dec 2006 12:20:24 +0000 Subject: Initial import of release 2.2. git-svn-id: https://joinup.ec.europa.eu/svn/pdf-as/trunk@4 7b5415b0-85f9-ee4d-85bd-d5d0c3b42d1c --- .../com/lowagie/tools/plugins/ImageXRefViewer.java | 256 +++++++++++++++++++++ 1 file changed, 256 insertions(+) create mode 100644 src/main/java/com/lowagie/tools/plugins/ImageXRefViewer.java (limited to 'src/main/java/com/lowagie/tools/plugins/ImageXRefViewer.java') diff --git a/src/main/java/com/lowagie/tools/plugins/ImageXRefViewer.java b/src/main/java/com/lowagie/tools/plugins/ImageXRefViewer.java new file mode 100644 index 0000000..34bbc50 --- /dev/null +++ b/src/main/java/com/lowagie/tools/plugins/ImageXRefViewer.java @@ -0,0 +1,256 @@ +/* + * $Id: ImageXRefViewer.java,v 1.3 2006/04/05 07:55:00 blowagie Exp $ + * $Name: $ + * + * Copyright 2005 by Carsten Hammer and Bruno Lowagie. + * + * The contents of this file are subject to the Mozilla Public License Version 1.1 + * (the "License"); you may not use this file except in compliance with the License. + * You may obtain a copy of the License at http://www.mozilla.org/MPL/ + * + * Software distributed under the License is distributed on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License + * for the specific language governing rights and limitations under the License. + * + * The Original Code is 'iText, a free JAVA-PDF library'. + * + * The Initial Developer of the Original Code is Bruno Lowagie. Portions created by + * the Initial Developer are Copyright (C) 1999-2006 by Bruno Lowagie. + * All Rights Reserved. + * Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer + * are Copyright (C) 2000-2006 by Paulo Soares. All Rights Reserved. + * + * Contributor(s): all the names of the contributors are added in the source code + * where applicable. + * + * Alternatively, the contents of this file may be used under the terms of the + * LGPL license (the "GNU LIBRARY GENERAL PUBLIC LICENSE"), in which case the + * provisions of LGPL are applicable instead of those above. If you wish to + * allow use of your version of this file only under the terms of the LGPL + * License and not to allow others to use your version of this file under + * the MPL, indicate your decision by deleting the provisions above and + * replace them with the notice and other provisions required by the LGPL. + * If you do not delete the provisions above, a recipient may use your version + * of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE. + * + * This library is free software; you can redistribute it and/or modify it + * under the terms of the MPL as stated above or under the terms of the GNU + * Library General Public License as published by the Free Software Foundation; + * either version 2 of the License, or any later version. + * + * This library is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS + * FOR A PARTICULAR PURPOSE. See the GNU Library general Public License for more + * details. + * + * If you didn't download this code from the following link, you should check if + * you aren't using an obsolete version: + * http://www.lowagie.com/iText/ + */ +package com.lowagie.tools.plugins; + +import java.awt.BorderLayout; +import java.awt.CardLayout; +import java.awt.Toolkit; +import java.io.File; + +import javax.swing.BorderFactory; +import javax.swing.JInternalFrame; +import javax.swing.JLabel; +import javax.swing.JOptionPane; +import javax.swing.JPanel; +import javax.swing.JSpinner; +import javax.swing.SpinnerModel; +import javax.swing.SwingConstants; +import javax.swing.event.ChangeEvent; + +import com.lowagie.text.pdf.PRStream; +import com.lowagie.text.pdf.PdfName; +import com.lowagie.text.pdf.PdfObject; +import com.lowagie.text.pdf.PdfReader; +import com.lowagie.text.pdf.PdfStream; +import com.lowagie.tools.arguments.FileArgument; +import com.lowagie.tools.arguments.PdfFilter; +import com.lowagie.tools.arguments.ToolArgument; +import javax.swing.JScrollPane; +import com.lowagie.tools.SwingWorker; +import java.io.*; +import java.awt.Cursor; + +/** + * Allows you to inspect the Image XObjects inside a PDF file. + */ +public class ImageXRefViewer + extends AbstractTool { + static { + addVersion("$Id: ImageXRefViewer.java,v 1.3 2006/04/05 07:55:00 blowagie Exp $"); + } + + class ViewXRefImages_jSpinner1_propertyChangeAdapter + implements javax.swing.event.ChangeListener { + private ImageXRefViewer adaptee; + ViewXRefImages_jSpinner1_propertyChangeAdapter(ImageXRefViewer adaptee) { + this.adaptee = adaptee; + } + /** + * @see javax.swing.event.ChangeListener#stateChanged(javax.swing.event.ChangeEvent) + */ + public void stateChanged(ChangeEvent e) { + adaptee.jSpinner_propertyChange(e); + } + } + + JPanel jPanel1 = new JPanel(); + BorderLayout borderLayout1 = new BorderLayout(); + JLabel jLabel1 = new JLabel(); + int picturenumber = 0; + JPanel jPanel2 = new JPanel(); + BorderLayout borderLayout2 = new BorderLayout(); + CardLayout cardLayout1 = new CardLayout(); + JPanel jPanel3 = new JPanel(); + JSpinner jSpinner1 = new JSpinner(); + BorderLayout borderLayout3 = new BorderLayout(); + SpinnerModel spinnerModel1 = jSpinner1.getModel(); + JScrollPane jScrollPane1 = new JScrollPane(); + + + /** + * Creates a ViewImageXObjects object. + */ + public ImageXRefViewer() { + arguments.add(new FileArgument(this, "srcfile", "The file you want to inspect", false, new PdfFilter())); + } + + /** + * @see com.lowagie.tools.plugins.AbstractTool#getDestPathPDF() + */ + protected File getDestPathPDF() throws InstantiationException { + throw new InstantiationException("There is no file to show."); + } + + /** + * @see com.lowagie.tools.plugins.AbstractTool#createFrame() + */ + protected void createFrame() { + internalFrame = new JInternalFrame("View Image XObjects", true, false, true); + internalFrame.setSize(500, 300); + internalFrame.setJMenuBar(getMenubar()); + internalFrame.getContentPane().setLayout(borderLayout1); + jPanel1.setLayout(borderLayout2); + jLabel1.setHorizontalAlignment(SwingConstants.CENTER); + jLabel1.setText("images"); + jPanel2.setLayout(cardLayout1); + jPanel3.setLayout(borderLayout3); + jSpinner1.addChangeListener(new + ViewXRefImages_jSpinner1_propertyChangeAdapter(this)); + jPanel2.setBorder(BorderFactory.createEtchedBorder()); + internalFrame.getContentPane().add(jPanel1, java.awt.BorderLayout.CENTER); + jPanel3.add(jSpinner1, java.awt.BorderLayout.CENTER); + jPanel3.add(jLabel1, java.awt.BorderLayout.NORTH); + jPanel1.add(jPanel3, java.awt.BorderLayout.NORTH); + jPanel1.add(jScrollPane1, java.awt.BorderLayout.CENTER); + jScrollPane1.setViewportView(jPanel2); + System.out.println("=== Image XObject Viewer OPENED ==="); + } + + /** + * @see com.lowagie.tools.plugins.AbstractTool#valueHasChanged(com.lowagie.tools.arguments.ToolArgument) + */ + public void valueHasChanged(ToolArgument arg) { + // do nothing + } + + /** + * Reflects the change event in the JSpinner object. + * @param evt + */ + public void jSpinner_propertyChange(ChangeEvent evt) { + int blatt = Integer.parseInt(jSpinner1.getValue().toString()); + if (blatt < 0) blatt = 0; + if (blatt >= picturenumber) blatt = picturenumber - 1; + this.cardLayout1.show(jPanel2, String.valueOf(blatt)); + jPanel2.repaint(); + } + /** + * Shows the images that are added to the PDF as Image XObjects. + * @param args + */ + public static void main(String[] args) { + InspectPDF tool = new InspectPDF(); + if (args.length < 1) { + System.err.println(tool.getUsage()); + } + tool.setArguments(args); + tool.execute(); + } + + /** + * @see com.lowagie.tools.plugins.AbstractTool#execute() + */ + public void execute() { + picturenumber = 0; + try { + if (getValue("srcfile") == null) throw new InstantiationException("You need to choose a sourcefile"); + + SwingWorker work= new SwingWorker(){ + + public Object construct() { + try { + PdfReader reader = new PdfReader( ( (File) + getValue("srcfile")).getAbsolutePath()); + for (int i = 0; i < reader.getXrefSize(); i++) { + PdfObject pdfobj = reader.getPdfObject(i); + if (pdfobj != null) { + if (pdfobj.isStream()) { + PdfStream pdfdict = (PdfStream) pdfobj; + PdfObject pdfsubtype = pdfdict.get(PdfName. + SUBTYPE); + if (pdfsubtype == null) { + continue; + } + if (!pdfsubtype.toString().equals(PdfName. + IMAGE.toString())) { + continue; + } + System.out.println("picturenumber: " + + picturenumber); + System.out.println("height:" + + pdfdict.get(PdfName.HEIGHT)); + System.out.println("width:" + + pdfdict.get(PdfName.WIDTH)); + System.out.println("bitspercomponent:" + + pdfdict.get(PdfName.BITSPERCOMPONENT)); + byte[] barr = PdfReader.getStreamBytesRaw( ( + PRStream) pdfdict); + java.awt.Image im = Toolkit. + getDefaultToolkit().createImage(barr); + javax.swing.ImageIcon ii = new javax.swing. + ImageIcon(im); + + JLabel jLabel1 = new JLabel(); + jLabel1.setIcon(ii); + jPanel2.add(jLabel1, "" + picturenumber++); + } + } + } + } + catch (InstantiationException ex) { + } + catch (IOException ex) { + } + internalFrame.setCursor(Cursor.getDefaultCursor()); + return null; + } + }; + internalFrame.setCursor(Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR)); + work.start(); + } + catch(Exception e) { + JOptionPane.showMessageDialog(internalFrame, + e.getMessage(), + e.getClass().getName(), + JOptionPane.ERROR_MESSAGE); + System.err.println(e.getMessage()); + } + } +} -- cgit v1.2.3