diff options
Diffstat (limited to 'src/main/java/com/lowagie/tools/plugins/ImageXRefViewer.java')
| -rw-r--r-- | src/main/java/com/lowagie/tools/plugins/ImageXRefViewer.java | 256 |
1 files changed, 256 insertions, 0 deletions
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());
+ }
+ }
+}
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