corrade-vassal – Rev 1
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/*
* CVS identifier:
*
* $Id: DecLyrdCBlk.java,v 1.9 2001/09/14 09:25:01 grosbois Exp $
*
* Class: DecLyrdCBlk
*
* Description: The coded (compressed) code-block
* with layered organization for the decoder.
*
*
*
* COPYRIGHT:
*
* This software module was originally developed by Raphaël Grosbois and
* Diego Santa Cruz (Swiss Federal Institute of Technology-EPFL); Joel
* Askelöf (Ericsson Radio Systems AB); and Bertrand Berthelot, David
* Bouchard, Félix 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.
* */
using System;
using CSJ2K.j2k.entropy;
namespace CSJ2K.j2k.entropy.decoder
{
/// <summary> This class stores coded (compressed) code-blocks that are organized in
/// layers. This object can contain either all code-block data (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.</p>
///
/// </summary>
/// <seealso cref="CodedCBlk">
///
/// </seealso>
public class DecLyrdCBlk:CodedCBlk
{
/// <summary>The horizontal coordinate of the upper-left corner of the code-block </summary>
public int ulx;
/// <summary>The vertical coordinate of the upper left corner of the code-block </summary>
public int uly;
/// <summary>The width of the code-block </summary>
public int w;
/// <summary>The height of the code-block </summary>
public int h;
/// <summary>The coded (compressed) data length. The data is stored in the 'data'
/// array (see super class).
/// </summary>
public int dl;
/// <summary>The progressive flag, false by default (see above). </summary>
public bool prog;
/// <summary>The number of layers in the coded data. </summary>
public int nl;
/// <summary>The index of the first truncation point returned </summary>
public int ftpIdx;
/// <summary>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'.
/// </summary>
public int nTrunc;
/// <summary>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.
/// </summary>
public int[] tsLengths;
/// <summary> Object information in a string
///
/// </summary>
/// <returns> Information in a string
///
/// </returns>
public override System.String ToString()
{
System.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;
}
}
}
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