Source Code Cross Referenced for handout_pdf.java in  » PDF » pdf-itext » com » lowagie » tools » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » PDF » pdf itext » com.lowagie.tools 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * $Id: handout_pdf.java 2752 2007-05-15 14:58:33Z blowagie $
003:         * $Name$
004:         *
005:         * Copyright 2002 by Bruno Lowagie
006:         *
007:         * The contents of this file are subject to the Mozilla Public License Version 1.1
008:         * (the "License"); you may not use this file except in compliance with the License.
009:         * You may obtain a copy of the License at http://www.mozilla.org/MPL/
010:         *
011:         * Software distributed under the License is distributed on an "AS IS" basis,
012:         * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
013:         * for the specific language governing rights and limitations under the License.
014:         *
015:         * The Original Code is 'iText, a free JAVA-PDF library'.
016:         *
017:         * The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
018:         * the Initial Developer are Copyright (C) 1999-2006 by Bruno Lowagie.
019:         * All Rights Reserved.
020:         * Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
021:         * are Copyright (C) 2000-2006 by Paulo Soares. All Rights Reserved.
022:         *
023:         * Contributor(s): all the names of the contributors are added in the source code
024:         * where applicable.
025:         *
026:         * Alternatively, the contents of this file may be used under the terms of the
027:         * LGPL license (the "GNU LIBRARY GENERAL PUBLIC LICENSE"), in which case the
028:         * provisions of LGPL are applicable instead of those above.  If you wish to
029:         * allow use of your version of this file only under the terms of the LGPL
030:         * License and not to allow others to use your version of this file under
031:         * the MPL, indicate your decision by deleting the provisions above and
032:         * replace them with the notice and other provisions required by the LGPL.
033:         * If you do not delete the provisions above, a recipient may use your version
034:         * of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE.
035:         *
036:         * This library is free software; you can redistribute it and/or modify it
037:         * under the terms of the MPL as stated above or under the terms of the GNU
038:         * Library General Public License as published by the Free Software Foundation;
039:         * either version 2 of the License, or any later version.
040:         *
041:         * This library is distributed in the hope that it will be useful, but WITHOUT
042:         * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
043:         * FOR A PARTICULAR PURPOSE. See the GNU Library general Public License for more
044:         * details.
045:         *
046:         * If you didn't download this code from the following link, you should check if
047:         * you aren't using an obsolete version:
048:         * http://www.lowagie.com/iText/
049:         */
050:
051:        package com.lowagie.tools;
052:
053:        import java.io.FileOutputStream;
054:
055:        import com.lowagie.text.Document;
056:        import com.lowagie.text.DocumentException;
057:        import com.lowagie.text.PageSize;
058:        import com.lowagie.text.Rectangle;
059:        import com.lowagie.text.pdf.PdfContentByte;
060:        import com.lowagie.text.pdf.PdfImportedPage;
061:        import com.lowagie.text.pdf.PdfReader;
062:        import com.lowagie.text.pdf.PdfWriter;
063:
064:        /**
065:         * Takes an existing PDF file and makes handouts.
066:         */
067:        public class handout_pdf extends java.lang.Object {
068:
069:            /**
070:             * Makes handouts based on an existing PDF file.
071:             * @param args the command line arguments
072:             */
073:            public static void main(String args[]) {
074:                if (args.length != 3) {
075:                    System.err.println("arguments: srcfile destfile pages");
076:                } else {
077:                    try {
078:                        int pages = Integer.parseInt(args[2]);
079:                        if (pages < 2 || pages > 8) {
080:                            throw new DocumentException(
081:                                    "You can't have "
082:                                            + pages
083:                                            + " pages on one page (minimum 2; maximum 8).");
084:                        }
085:
086:                        float x1 = 30f;
087:                        float x2 = 280f;
088:                        float x3 = 320f;
089:                        float x4 = 565f;
090:
091:                        float[] y1 = new float[pages];
092:                        float[] y2 = new float[pages];
093:
094:                        float height = (778f - (20f * (pages - 1))) / pages;
095:                        y1[0] = 812f;
096:                        y2[0] = 812f - height;
097:
098:                        for (int i = 1; i < pages; i++) {
099:                            y1[i] = y2[i - 1] - 20f;
100:                            y2[i] = y1[i] - height;
101:                        }
102:
103:                        // we create a reader for a certain document
104:                        PdfReader reader = new PdfReader(args[0]);
105:                        // we retrieve the total number of pages
106:                        int n = reader.getNumberOfPages();
107:                        System.out.println("There are " + n
108:                                + " pages in the original file.");
109:
110:                        // step 1: creation of a document-object
111:                        Document document = new Document(PageSize.A4);
112:                        // step 2: we create a writer that listens to the document
113:                        PdfWriter writer = PdfWriter.getInstance(document,
114:                                new FileOutputStream(args[1]));
115:                        // step 3: we open the document
116:                        document.open();
117:                        PdfContentByte cb = writer.getDirectContent();
118:                        PdfImportedPage page;
119:                        int rotation;
120:                        int i = 0;
121:                        int p = 0;
122:                        // step 4: we add content
123:                        while (i < n) {
124:                            i++;
125:                            Rectangle rect = reader.getPageSizeWithRotation(i);
126:                            float factorx = (x2 - x1) / rect.getWidth();
127:                            float factory = (y1[p] - y2[p]) / rect.getHeight();
128:                            float factor = (factorx < factory ? factorx
129:                                    : factory);
130:                            float dx = (factorx == factor ? 0f
131:                                    : ((x2 - x1) - rect.getWidth() * factor) / 2f);
132:                            float dy = (factory == factor ? 0f
133:                                    : ((y1[p] - y2[p]) - rect.getHeight()
134:                                            * factor) / 2f);
135:                            page = writer.getImportedPage(reader, i);
136:                            rotation = reader.getPageRotation(i);
137:                            if (rotation == 90 || rotation == 270) {
138:                                cb.addTemplate(page, 0, -factor, factor, 0, x1
139:                                        + dx, y2[p] + dy + rect.getHeight()
140:                                        * factor);
141:                            } else {
142:                                cb.addTemplate(page, factor, 0, 0, factor, x1
143:                                        + dx, y2[p] + dy);
144:                            }
145:                            cb.setRGBColorStroke(0xC0, 0xC0, 0xC0);
146:                            cb.rectangle(x3 - 5f, y2[p] - 5f, x4 - x3 + 10f,
147:                                    y1[p] - y2[p] + 10f);
148:                            for (float l = y1[p] - 19; l > y2[p]; l -= 16) {
149:                                cb.moveTo(x3, l);
150:                                cb.lineTo(x4, l);
151:                            }
152:                            cb.rectangle(x1 + dx, y2[p] + dy, rect.getWidth()
153:                                    * factor, rect.getHeight() * factor);
154:                            cb.stroke();
155:                            System.out.println("Processed page " + i);
156:                            p++;
157:                            if (p == pages) {
158:                                p = 0;
159:                                document.newPage();
160:                            }
161:                        }
162:                        // step 5: we close the document
163:                        document.close();
164:                    } catch (Exception e) {
165:                        System.err.println(e.getClass().getName() + ": "
166:                                + e.getMessage());
167:                    }
168:                }
169:            }
170:        }
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