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Diffstat (limited to 'src/main/java/com/lowagie/tools/plugins/Handouts.java')
| -rw-r--r-- | src/main/java/com/lowagie/tools/plugins/Handouts.java | 232 |
1 files changed, 232 insertions, 0 deletions
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");
+ }
+}
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