/* * $Id: PdfProcSet.java,v 1.22 2002/06/20 13:30:25 blowagie Exp $ * $Name:  $ * * Copyright 1999, 2000, 2001, 2002 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.text.pdf;/** * <CODE>PdfProcSet</CODE> is the PDF ProcSet object. * <P> * The types of instructions that may be used in a PDF marking context are grouped * into independent sets of related instructions. Each of these sets, called a ProcSet, * may or may not be used in a particular context. ProcSets contain implementations of * the PDF operators and are used only when a page or other context is printed. * The Resources Dictionary for each conext must contain a <B>ProcSet</B> key whose * value is an array consisting of the names of the ProcSets used in that context. * Each of the entries in the array must be one of the predefined names that are * contained in this class as static membervariables.<BR> * This object is described in the 'Portable Document Format Reference Manual version 1.3' * section 7.6 (page 198). * * @see		PdfResource * @see		PdfResources */class PdfProcSet implements PdfResource {        // membervariables    /**	This is a possible type procset */    public static final int PDF = 1;    /**	This is a possible type procset */    public static final int TEXT = 2;    /**	This is a possible type procset */    public static final int IMAGEB = 4;    /**	This is a possible type procset */    public static final int IMAGEC = 8;    /**	This is a possible type procset */    public static final int IMAGEI = 16;    /** This is the array containing all the possible procsettypes */    private static int[] types;    /** This is the array containing all the possible procsetnames */    private static PdfName[] names;    /** This is the number of possible procsettypes */    private static final int N = 5;        static {        types = new int[N];        names = new PdfName[N];        types[0] = PDF;        names[0] = PdfName.PDF;        types[1] = TEXT;        names[1] = PdfName.TEXT;        types[2] = IMAGEB;        names[2] = PdfName.IMAGEB;        types[3] = IMAGEC;        names[3] = PdfName.IMAGEC;        types[4] = IMAGEI;        names[4] = PdfName.IMAGEI;    }    /** This is the value of this resource */    private PdfObject value;        // constructors    /** * Constructs a <CODE>PdfResource</CODE> with the procset as a direct object. * * @param		procset		a number that represents the different procset-types in this resource */        PdfProcSet(int procset) {        value = getProcSet(procset);    }    /** * Constructs a <CODE>PdfResource</CODE> with the procset as an indirect object. * * @param		procset		a <CODE>PdfIndirectReference</CODE> to a ProcSet */        PdfProcSet(PdfIndirectReference procset) {        value = procset;    }        // methods    /** * Returns the name of a resource. * * @return		a <CODE>PdfName</CODE>. */        public PdfName key() {        return PdfName.PROCSET;    }    /** * Returns the object that represents the resource. * * @return		a <CODE>PdfObject</CODE> */        public PdfObject value() {        return value;    }    /** * Constructs a <CODE>PdfArray</CODE> with a number of procsettypes. * * @param		procset		a number that represents the different procset-types in this resource * @return		a <CODE>PdfArray</CODE> */        static final PdfArray getProcSet(int procset) {        PdfArray tmp = new PdfArray();        for (int i = 0; i < N; i++) {            if ((procset & types[i]) > 0) {                tmp.add(names[i]);            }        }        return tmp;    }}