154 lines
4.9 KiB
C#
154 lines
4.9 KiB
C#
/*
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* CVS identifier:
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*
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* $Id : $
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*
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* Class: Progression
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*
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* Description: Holds the type(s) of progression
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*
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*
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* Modified by:
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*
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* COPYRIGHT:
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*
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* This software module was originally developed by Raphaël Grosbois and
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* Diego Santa Cruz (Swiss Federal Institute of Technology-EPFL); Joel
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* Askelöf (Ericsson Radio Systems AB); and Bertrand Berthelot, David
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* Bouchard, Félix Henry, Gerard Mozelle and Patrice Onno (Canon Research
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* Centre France S.A) in the course of development of the JPEG2000
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* standard as specified by ISO/IEC 15444 (JPEG 2000 Standard). This
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* software module is an implementation of a part of the JPEG 2000
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* Standard. Swiss Federal Institute of Technology-EPFL, Ericsson Radio
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* Systems AB and Canon Research Centre France S.A (collectively JJ2000
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* Partners) agree not to assert against ISO/IEC and users of the JPEG
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* 2000 Standard (Users) any of their rights under the copyright, not
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* including other intellectual property rights, for this software module
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* with respect to the usage by ISO/IEC and Users of this software module
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* or modifications thereof for use in hardware or software products
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* claiming conformance to the JPEG 2000 Standard. Those intending to use
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* this software module in hardware or software products are advised that
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* their use may infringe existing patents. The original developers of
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* this software module, JJ2000 Partners and ISO/IEC assume no liability
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* for use of this software module or modifications thereof. No license
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* or right to this software module is granted for non JPEG 2000 Standard
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* conforming products. JJ2000 Partners have full right to use this
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* software module for his/her own purpose, assign or donate this
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* software module to any third party and to inhibit third parties from
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* using this software module for non JPEG 2000 Standard conforming
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* products. This copyright notice must be included in all copies or
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* derivative works of this software module.
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*
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* Copyright (c) 1999/2000 JJ2000 Partners.
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*
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*
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*
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*/
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using System;
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using CSJ2K.j2k.codestream;
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namespace CSJ2K.j2k.entropy
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{
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/// <summary> This class holds one of the different progression orders defined in
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/// the bit stream. The type(s) of progression order are defined in the
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/// ProgressionType interface. A Progression object is totally defined
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/// by its component start and end, resolution level start and end and
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/// layer start and end indexes. If no progression order change is
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/// defined, there is only Progression instance.
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///
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/// </summary>
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/// <seealso cref="ProgressionType">
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///
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/// </seealso>
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public class Progression
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{
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/// <summary>Progression type as defined in ProgressionType interface </summary>
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public int type;
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/// <summary>Component index for the start of a progression </summary>
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public int cs;
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/// <summary>Component index for the end of a progression. </summary>
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public int ce;
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/// <summary>Resolution index for the start of a progression </summary>
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public int rs;
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/// <summary>Resolution index for the end of a progression. </summary>
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public int re;
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/// <summary>The index of the last layer. </summary>
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public int lye;
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/// <summary> Constructor.
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///
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/// Builds a new Progression object with specified type and bounds
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/// of progression.
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///
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/// </summary>
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/// <param name="type">The progression type
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///
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/// </param>
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/// <param name="cs">The component index start
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///
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/// </param>
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/// <param name="ce">The component index end
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///
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/// </param>
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/// <param name="rs">The resolution level index start
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///
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/// </param>
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/// <param name="re">The resolution level index end
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///
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/// </param>
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/// <param name="lye">The layer index end
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///
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/// </param>
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public Progression(int type, int cs, int ce, int rs, int re, int lye)
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{
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this.type = type;
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this.cs = cs;
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this.ce = ce;
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this.rs = rs;
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this.re = re;
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this.lye = lye;
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}
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public override System.String ToString()
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{
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System.String str = "type= ";
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switch (type)
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{
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case CSJ2K.j2k.codestream.ProgressionType.LY_RES_COMP_POS_PROG:
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str += "layer, ";
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break;
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case CSJ2K.j2k.codestream.ProgressionType.RES_LY_COMP_POS_PROG:
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str += "res, ";
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break;
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case CSJ2K.j2k.codestream.ProgressionType.RES_POS_COMP_LY_PROG:
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str += "res-pos, ";
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break;
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case CSJ2K.j2k.codestream.ProgressionType.POS_COMP_RES_LY_PROG:
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str += "pos-comp, ";
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break;
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case CSJ2K.j2k.codestream.ProgressionType.COMP_POS_RES_LY_PROG:
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str += "pos-comp, ";
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break;
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default:
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throw new System.InvalidOperationException("Unknown progression type");
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}
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str += ("comp.: " + cs + "-" + ce + ", ");
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str += ("res.: " + rs + "-" + re + ", ");
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str += ("layer: up to " + lye);
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return str;
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}
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}
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} |