org.jpedal.jbig2.segment.SegmentHeader Maven / Gradle / Ivy

/**
 * ===========================================
 * Java Pdf Extraction Decoding Access Library
 * ===========================================
 * 
 * Project Info:  http://www.jpedal.org
 * (C) Copyright 1997-2008, IDRsolutions and Contributors.
 * Main Developer: Simon Barnett
 * 

 * This file is part of JPedal
 * 

 * Copyright (c) 2008, IDRsolutions
 * All rights reserved.
 * 

 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 * * Redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution.
 * * Neither the name of the IDRsolutions nor the
 * names of its contributors may be used to endorse or promote products
 * derived from this software without specific prior written permission.
 * 

 * THIS SOFTWARE IS PROVIDED BY IDRsolutions ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL IDRsolutions BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 * 

 * Other JBIG2 image decoding implementations include
 * jbig2dec (http://jbig2dec.sourceforge.net/)
 * xpdf (http://www.foolabs.com/xpdf/)
 * 

 * The final draft JBIG2 specification can be found at http://www.jpeg.org/public/fcd14492.pdf
 * 

 * All three of the above resources were used in the writing of this software, with methodologies,
 * processes and inspiration taken from all three.
 * 
 * ---------------
 * SegmentHeader.java
 * ---------------
 */
package org.jpedal.jbig2.segment;

import org.jpedal.jbig2.decoders.JBIG2StreamDecoder;

public class SegmentHeader {

    private int segmentNumber;

    private int segmentType;
    private boolean pageAssociationSizeSet;
    private boolean deferredNonRetainSet;

    private int referredToSegmentCount;
    private short[] rententionFlags;

    private int[] referredToSegments;
    private int pageAssociation;
    private int dataLength;

    public void setSegmentNumber(int SegmentNumber) {
        this.segmentNumber = SegmentNumber;
    }

    public void setSegmentHeaderFlags(short SegmentHeaderFlags) {
        segmentType = SegmentHeaderFlags & 63; // 63 = 00111111
        pageAssociationSizeSet = (SegmentHeaderFlags & 64) == 64; // 64 = // 01000000
        deferredNonRetainSet = (SegmentHeaderFlags & 80) == 80; // 64 = 10000000

        if (JBIG2StreamDecoder.debug) {
            System.out.println("SegmentType = " + segmentType);
            System.out.println("pageAssociationSizeSet = " + pageAssociationSizeSet);
            System.out.println("deferredNonRetainSet = " + deferredNonRetainSet);
        }
    }

    public void setReferredToSegmentCount(int referredToSegmentCount) {
        this.referredToSegmentCount = referredToSegmentCount;
    }

    public void setRententionFlags(short[] rententionFlags) {
        this.rententionFlags = rententionFlags;
    }

    public void setReferredToSegments(int[] referredToSegments) {
        this.referredToSegments = referredToSegments;
    }

    public int[] getReferredToSegments() {
        return referredToSegments;
    }

    public int getSegmentType() {
        return segmentType;
    }

    public int getSegmentNumber() {
        return segmentNumber;
    }

    public boolean isPageAssociationSizeSet() {
        return pageAssociationSizeSet;
    }

    public boolean isDeferredNonRetainSet() {
        return deferredNonRetainSet;
    }

    public int getReferredToSegmentCount() {
        return referredToSegmentCount;
    }

    public short[] getRententionFlags() {
        return rententionFlags;
    }

    public int getPageAssociation() {
        return pageAssociation;
    }

    public void setPageAssociation(int pageAssociation) {
        this.pageAssociation = pageAssociation;
    }

    public void setDataLength(int dataLength) {
        this.dataLength = dataLength;
    }

    public void setSegmentType(int type) {
        this.segmentType = type;
    }

    public int getSegmentDataLength() {
        return dataLength;
    }
}