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 --- .../java/com/lowagie/tools/plugins/Handouts.java | 232 +++++++++++++++++++++ 1 file changed, 232 insertions(+) create mode 100644 src/main/java/com/lowagie/tools/plugins/Handouts.java (limited to 'src/main/java/com/lowagie/tools/plugins/Handouts.java') diff --git a/src/main/java/com/lowagie/tools/plugins/Handouts.java b/src/main/java/com/lowagie/tools/plugins/Handouts.java new file mode 100644 index 0000000..fed8788 --- /dev/null +++ b/src/main/java/com/lowagie/tools/plugins/Handouts.java @@ -0,0 +1,232 @@ +/* + * $Id: Handouts.java,v 1.7 2005/11/29 21:05:02 blowagie Exp $ + * $Name: $ + * + * Copyright 2005 by 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, 2000, 2001, 2002 by Bruno Lowagie. + * All Rights Reserved. + * Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer + * are Copyright (C) 2000, 2001, 2002 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.io.File; +import java.io.FileOutputStream; + +import javax.swing.JInternalFrame; +import javax.swing.JOptionPane; + +import com.lowagie.text.Document; +import com.lowagie.text.PageSize; +import com.lowagie.text.Rectangle; +import com.lowagie.text.pdf.PdfContentByte; +import com.lowagie.text.pdf.PdfImportedPage; +import com.lowagie.text.pdf.PdfReader; +import com.lowagie.text.pdf.PdfWriter; +import com.lowagie.tools.arguments.FileArgument; +import com.lowagie.tools.arguments.OptionArgument; +import com.lowagie.tools.arguments.PdfFilter; +import com.lowagie.tools.arguments.ToolArgument; + +/** + * Generates a PDF file that is useable as Handout. + */ +public class Handouts extends AbstractTool { + + static { + addVersion("$Id: Handouts.java,v 1.7 2005/11/29 21:05:02 blowagie Exp $"); + } + + /** + * Constructs a Handouts object. + */ + public Handouts() { + arguments.add(new FileArgument(this, "srcfile", "The file you want to convert", false, new PdfFilter())); + arguments.add(new FileArgument(this, "destfile", "The file to which the Handout has to be written", true, new PdfFilter())); + OptionArgument oa = new OptionArgument(this, "pages", "The number of pages you want on one handout page"); + oa.addOption("2 pages on 1", "2"); + oa.addOption("3 pages on 1", "3"); + oa.addOption("4 pages on 1", "4"); + oa.addOption("5 pages on 1", "5"); + oa.addOption("6 pages on 1", "6"); + oa.addOption("7 pages on 1", "7"); + oa.addOption("8 pages on 1", "8"); + arguments.add(oa); + } + + /** + * @see com.lowagie.tools.plugins.AbstractTool#createFrame() + */ + protected void createFrame() { + internalFrame = new JInternalFrame("Handouts", true, false, true); + internalFrame.setSize(300, 80); + internalFrame.setJMenuBar(getMenubar()); + System.out.println("=== Handouts OPENED ==="); + } + + /** + * @see com.lowagie.tools.plugins.AbstractTool#execute() + */ + public void execute() { + try { + if (getValue("srcfile") == null) throw new InstantiationException("You need to choose a sourcefile"); + File src = (File)getValue("srcfile"); + if (getValue("destfile") == null) throw new InstantiationException("You need to choose a destination file"); + File dest = (File)getValue("destfile"); + int pages; + try { + pages = Integer.parseInt((String) getValue("pages")); + } + catch(Exception e) { + pages = 4; + } + + float x1 = 30f; + float x2 = 280f; + float x3 = 320f; + float x4 = 565f; + + float[] y1 = new float[pages]; + float[] y2 = new float[pages]; + + float height = (778f - (20f * (pages - 1))) / pages; + y1[0] = 812f; + y2[0] = 812f - height; + + for (int i = 1; i < pages; i++) { + y1[i] = y2[i - 1] - 20f; + y2[i] = y1[i] - height; + } + + // we create a reader for a certain document + PdfReader reader = new PdfReader(src.getAbsolutePath()); + // we retrieve the total number of pages + int n = reader.getNumberOfPages(); + System.out.println("There are " + n + " pages in the original file."); + + // step 1: creation of a document-object + Document document = new Document(PageSize.A4); + // step 2: we create a writer that listens to the document + PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream(dest)); + // step 3: we open the document + document.open(); + PdfContentByte cb = writer.getDirectContent(); + PdfImportedPage page; + int rotation; + int i = 0; + int p = 0; + // step 4: we add content + while (i < n) { + i++; + Rectangle rect = reader.getPageSizeWithRotation(i); + float factorx = (x2 - x1) / rect.width(); + float factory = (y1[p] - y2[p]) / rect.height(); + float factor = (factorx < factory ? factorx : factory); + float dx = (factorx == factor ? 0f : ((x2 - x1) - rect.width() * factor) / 2f); + float dy = (factory == factor ? 0f : ((y1[p] - y2[p]) - rect.height() * factor) / 2f); + page = writer.getImportedPage(reader, i); + rotation = reader.getPageRotation(i); + if (rotation == 90 || rotation == 270) { + cb.addTemplate(page, 0, -factor, factor, 0, x1 + dx, y2[p] + dy + rect.height() * factor); + } + else { + cb.addTemplate(page, factor, 0, 0, factor, x1 + dx, y2[p] + dy); + } + cb.setRGBColorStroke(0xC0, 0xC0, 0xC0); + cb.rectangle(x3 - 5f, y2[p] - 5f, x4 - x3 + 10f, y1[p] - y2[p] + 10f); + for (float l = y1[p] - 19; l > y2[p]; l -= 16) { + cb.moveTo(x3, l); + cb.lineTo(x4, l); + } + cb.rectangle(x1 + dx, y2[p] + dy, rect.width() * factor, rect.height() * factor); + cb.stroke(); + System.out.println("Processed page " + i); + p++; + if (p == pages) { + p = 0; + document.newPage(); + } + } + // step 5: we close the document + document.close(); + } + catch(Exception e) { + JOptionPane.showMessageDialog(internalFrame, + e.getMessage(), + e.getClass().getName(), + JOptionPane.ERROR_MESSAGE); + System.err.println(e.getMessage()); + } + } + + /** + * @see com.lowagie.tools.plugins.AbstractTool#valueHasChanged(com.lowagie.tools.arguments.ToolArgument) + */ + public void valueHasChanged(ToolArgument arg) { + if (internalFrame == null) { + // if the internal frame is null, the tool was called from the commandline + return; + } + // represent the changes of the argument in the internal frame + } + + + /** + * Converts a PDF file to a PDF file useable as Handout. + * @param args + */ + public static void main(String[] args) { + Handouts tool = new Handouts(); + if (args.length < 2) { + System.err.println(tool.getUsage()); + } + tool.setArguments(args); + tool.execute(); + } + + /** + * @see com.lowagie.tools.plugins.AbstractTool#getDestPathPDF() + */ + protected File getDestPathPDF() throws InstantiationException { + return (File)getValue("destfile"); + } +} -- cgit v1.2.3