corrade-vassal – Rev 1
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/*
* CVS identifier:
*
* $Id : $
*
* Class: Progression
*
* Description: Holds the type(s) of progression
*
*
* Modified by:
*
* 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.codestream;
namespace CSJ2K.j2k.entropy
{
/// <summary> This class holds one of the different progression orders defined in
/// the bit stream. The type(s) of progression order are defined in the
/// ProgressionType interface. A Progression object is totally defined
/// by its component start and end, resolution level start and end and
/// layer start and end indexes. If no progression order change is
/// defined, there is only Progression instance.
///
/// </summary>
/// <seealso cref="ProgressionType">
///
/// </seealso>
public class Progression
{
/// <summary>Progression type as defined in ProgressionType interface </summary>
public int type;
/// <summary>Component index for the start of a progression </summary>
public int cs;
/// <summary>Component index for the end of a progression. </summary>
public int ce;
/// <summary>Resolution index for the start of a progression </summary>
public int rs;
/// <summary>Resolution index for the end of a progression. </summary>
public int re;
/// <summary>The index of the last layer. </summary>
public int lye;
/// <summary> Constructor.
///
/// Builds a new Progression object with specified type and bounds
/// of progression.
///
/// </summary>
/// <param name="type">The progression type
///
/// </param>
/// <param name="cs">The component index start
///
/// </param>
/// <param name="ce">The component index end
///
/// </param>
/// <param name="rs">The resolution level index start
///
/// </param>
/// <param name="re">The resolution level index end
///
/// </param>
/// <param name="lye">The layer index end
///
/// </param>
public Progression(int type, int cs, int ce, int rs, int re, int lye)
{
this.type = type;
this.cs = cs;
this.ce = ce;
this.rs = rs;
this.re = re;
this.lye = lye;
}
public override System.String ToString()
{
System.String str = "type= ";
switch (type)
{
case CSJ2K.j2k.codestream.ProgressionType.LY_RES_COMP_POS_PROG:
str += "layer, ";
break;
case CSJ2K.j2k.codestream.ProgressionType.RES_LY_COMP_POS_PROG:
str += "res, ";
break;
case CSJ2K.j2k.codestream.ProgressionType.RES_POS_COMP_LY_PROG:
str += "res-pos, ";
break;
case CSJ2K.j2k.codestream.ProgressionType.POS_COMP_RES_LY_PROG:
str += "pos-comp, ";
break;
case CSJ2K.j2k.codestream.ProgressionType.COMP_POS_RES_LY_PROG:
str += "pos-comp, ";
break;
default:
throw new System.ApplicationException("Unknown progression type");
}
str += ("comp.: " + cs + "-" + ce + ", ");
str += ("res.: " + rs + "-" + re + ", ");
str += ("layer: up to " + lye);
return str;
}
}
}
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