/* * CVS identifier: * * $Id: DecLyrdCBlk.java,v 1.8 2000/09/05 09:23:10 grosbois Exp $ * * Class:                   DecLyrdCBlk * * Description:             The coded (compressed) code-block *                          with layered organization for the decoder. * * * * COPYRIGHT: *  * This software module was originally developed by Rapha雔 Grosbois and * Diego Santa Cruz (Swiss Federal Institute of Technology-EPFL); Joel * Askel鰂 (Ericsson Radio Systems AB); and Bertrand Berthelot, David * Bouchard, F閘ix Henry, Gerard Mozelle and Patrice Onno (Canon Research * Centre France S.A) in the course of development of the JPEG2000 * standard as specified by ISO/IEC 15444 (JPEG 2000 Standard). This * software module is an implementation of a part of the JPEG 2000 * Standard. Swiss Federal Institute of Technology-EPFL, Ericsson Radio * Systems AB and Canon Research Centre France S.A (collectively JJ2000 * Partners) agree not to assert against ISO/IEC and users of the JPEG * 2000 Standard (Users) any of their rights under the copyright, not * including other intellectual property rights, for this software module * with respect to the usage by ISO/IEC and Users of this software module * or modifications thereof for use in hardware or software products * claiming conformance to the JPEG 2000 Standard. Those intending to use * this software module in hardware or software products are advised that * their use may infringe existing patents. The original developers of * this software module, JJ2000 Partners and ISO/IEC assume no liability * for use of this software module or modifications thereof. No license * or right to this software module is granted for non JPEG 2000 Standard * conforming products. JJ2000 Partners have full right to use this * software module for his/her own purpose, assign or donate this * software module to any third party and to inhibit third parties from * using this software module for non JPEG 2000 Standard conforming * products. This copyright notice must be included in all copies or * derivative works of this software module. *  * Copyright (c) 1999/2000 JJ2000 Partners. *  *  *  */package jj2000.j2k.entropy.decoder;import jj2000.j2k.entropy.*;/** * This class stores coded (compressed) code-blocks that are organized * in layers. This object can contain either all the data of the * code-block (i.e. all layers), or a subset of all the layers that * make up the whole compressed-code-block. It is applicable to the * decoder engine only. Some data of the coded-block is stored * in the super class, see CodedCBlk. * * <P>A code-block may have its progressive attribute set (i.e. the * 'prog' flag is true). If a code-block is progressive then it means * that more data for it may be obtained for an improved quality. If * the progressive flag is false then no more data is available from * the source for this code-block. * * @see CodedCBlk * */public class DecLyrdCBlk extends CodedCBlk {    /** The horizontal coordinate of the upper-left corner of the code-block */    public int ulx;    /** The vertical coordinate of the upper left corner of the code-block */    public int uly;    /** The width of the code-block */    public int w;    /** The height of the code-block */    public int h;    /** The coded (compressed) data length. The data is stored in the     * 'data' array (see super class).     */    public int dl;    /** The progressive flag, false by default (see above). */    public boolean prog;    /** The number of layers in the coded data. */    public int nl;    /** The index of the first truncation point returned */    public int ftpIdx;    /** The total number of truncation points from layer 1 to the last one in     * this object. The number of truncation points in 'data' is     * 'nTrunc-ftpIdx'. */    public int nTrunc;    /** The length of each terminated segment. If null then there is only one     * terminated segment, and its length is 'dl'. The number of terminated     * segments is to be deduced from 'ftpIdx', 'nTrunc' and the coding     * options. This array contains all terminated segments from the 'ftpIdx'     * truncation point, upto, and including, the 'nTrunc-1' truncation     * point. Any data after 'nTrunc-1' is not included in any length. */    public int tsLengths[];    /** Object information in a string      *     * @return Information in a string     *     *     */    public String toString(){        String str=             "Coded code-block ("+m+","+n+"): "+skipMSBP+" MSB skipped, "+            dl+" bytes, "+nTrunc+" truncation points, "+nl+" layers, "+            "progressive= "+prog+", ulx= "+ulx+", uly= "+uly+            ", w= "+w+", h= "+h+", ftpIdx="+ftpIdx;        if(tsLengths!=null){            str += " {";            for(int i=0; i<tsLengths.length; i++)                str += " "+tsLengths[i];            str += " }";        }        return str;    }}